Introduction of New Test System "Horizontal Freezer Slide Lid Opening And Closing Testing System"
2024-02-27
ISO 23953-2 Horizontal Freezer Slide Lid Opening And Closing Testing Machine
System overview:
The horizontal freezer slide lid opening and closing test machine is designed and manufactured according to Chapter 5.3.3.2 of ISO 23953-2:2015(E) and customized requirements of customers. It is used for the opening and closing durability test of the horizontal freezer slide lid, also used for lid sliding actions during the energy efficiency performance test of the freezer. It is a dedicated fully automated testing equipment, which is suitable for testing departments such as testing and certification agencies, factory laboratories, etc.
This equipment adopts PLC intelligent control with mature technology, equipped with 2 sets of position-adjustable action actuators and mechanical fixture structures to clamp the handles on the surface of the freezer slide lids (also come with 2 sets of vacuum suction cups to meet the needs of different samples). At the same time, it is equipped with a color LCD touch screen as standard, which can preset the opening stroke, opening and closing speed, and opening pause time and interval time, so as to truly simulate the opening and closing of the freezer lid by hand, to achieve an intelligent control method, one machine with multiple functions.
Equipment principle:
Controlled by PLC, operated by intelligent touch screen, the servo motor drives the manipulators, and drives the clamp to hold the handle of the freezer lids (or vacuum suction cups to suck the surface of the freezer lids), so that it can open and close the lids in a reciprocating linear motion.
Process flow:
Refrigerator
Step
Content
Execution time
Step 1
Open the lid and close
3min
Step 2
Open the lid to >80%
1s
Step 3
Keep opened
13s
Step 4
Close the lid
1s
Step 5
Keep closed I
5min45s
Step 6
Repeat steps 2-5
11h54min
Step 7
Keep closed II
12h
Freezer
Step 1
Open the lid and close
3min
Step 2
Open the lid to >80%
1s
Step 3
Keep opened
4s
Step 4
Close the lid
1s
Step 5
Keep closed I
9min54s
Step 6
Repeat steps 2-5
11h50min
Step 7
Repeat closed II
12h
The structure of the testing machine as shown in the figure below, the overall frame structure is adopted, and the sample is placed on the bottom plate of the equipment, so that the relative movement is the internal stress, and the shaking of the equipment is reduced. Two column structures are installed on the bottom plate, and the each column contains one set of lid opening and closing mechanism as shown in Figure 1. At the same time, the freezer positioning fixture is installed on the bottom plate, which can clamp and fix the front, rear, left, right, and rear sides of the freezer.
Technical Parameters:
No.
Project
Content
1
Input power
AC220V 50HZ, 5kW
2
Electrical control
Mitsubishi PLC intelligent control
3
Operation interface
Weinview 7-inch color man-machine interface touch screen operation
4
Drive mode
Servo motor + precision sliding platform
5
Range of samples
The same types of samples shown as in Figure 2
WDH=(60~214cm)×(45~70cm) ×(70~90cm)
6
Test items
Freezer slide lid durability test
7
Test station
1 station, can test a horizontal freezer with left and right slid lids
7
Column
The position of the slid lid can be matched by adjusting the height position of the manipulator and the position of suction cup on the column
8
Robotic arm
2 sets of manipulators for opening and closing lids alternately, adjustable clamp positions (that is, adjustable in length and height directions), suitable for freezer slide lids of different widths
9
Adsorption structure
1. Mechanical clamping fixtures, toggle type, 2 sets
2. Vacuum suction cups, 2 sets
10
Lid opening stroke
0-500mm±0.1mm can be set on touch screen, adjustable on both sides
11
Lid first opening time
3min
12
Lid opening pause time
0-9999S, can be set on touch screen
13
Lid closing pause time I
0-99h59m59s, can be set on touch screen
14
Lid closing pause time II
0-99h59m59s, can be set on touch screen
15
Lid open/close speed
10-600mm/s, can be set on touch screen
16
Freezer auxiliary positioning mechanism
2 sets, which can be fixed the two sides of the freezer
17
Equipment frame
Match the largest sample range, sample is installed on bottom plate of the equipment. There are three bottom plates for sample installation, the three bottom plates can be combined and split easily to adapt to specimens of different widths. Shown as following:
18
Power failure memory
The system has a power failure memory function, which can continue to accumulate parameter actions and times before power failure
19
Protect
Emergency stop, leakage, short circuit, overload and other safety protection
20
The overall size and weight of the testing machine
Frame WDH: Width 1800*Depth 1200*Height 1400mm, about 350kg
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Chinese New Year Holiday Notice
2024-01-27
Dear Customers,
Please be informed that our company will be closed from 5th Feb to 17th Feb for Chinese New Year holiday. Normal business will resume on 18th Feb.
Any orders placed during the holidays will be produced by after 19th Feb. To avoid any unwanted delay, please place your order in advance, and the shipping cut-off date is 3rd Feb.
We're sorry for any inconvenience occurred, please do drop us an email at sales@sinuotek.com or call us at +86 13527656435 if you have urgent matters.
We would like to express our heartiest thanks for your great support and cooperation in the past year. Wishing you a prosperous year in 2024!
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Welcoming the New Year and Thanks Everyone Whom Always Support with Sinuo
2023-12-28
Another year has come and gone and with it all of the excitement, hardshlps, and little victories that makelife, and business, worthwhile.
At this time ofthe end of 2023, we wanted to let our most values customers know just how much appreciate their continued support.
According to the company's production situation and national holiday regulations, our company's New Year's Day holiday arrangements in 2024 are as follows:
December 31, 2023 to January 1, 2024 is the New Year’s Day holiday.
Our company will start work on January 2, 2024.
We wanted to thank you from the bottom of our hearts and wish you all the best for the coming year.
Happy holidays and happy new year!
With gratitude,
Sinuo Team
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Introduction to Energy Efficiency System for Table/ Floor/ Pedestal/Tower/Bladeless Fans
2023-11-27
System Overview:
This test device is designed in accordance with IEC 60879-2019 "Comfort fans and regulators for household and similar purpose- Methods for Measuring Performance ". It can accurately measure the performance parameters such as the wind speed, air volume, fan speed, fan power consumption, and fan energy efficiency of table fans, floor standing fans, pedestal fans, etc., and can realize the sampling and analysis of fan products, product quality inspection, and research and development.
This test device adopts single chamber structure. The laboratory contains one set of air volume measurement device. The test room uses 50mm thick rigid polyurethane board and 0.6mm thick color steel plates on both sides for thermal insulation, which has good thermal insulation effect.
The test room contains an external air conditioning system, which is used to adjust the air environment inside the test room. The indoor air is cooled, humidified, and heated to make the temperature and humidity in the test room meet the test conditions.
This laboratory needs to be equipped with an operating room for storing office computers, power cabinets, control cabinets, and variable frequency power supplies. This house can be constructed by boards, which is constructed by the buyer (generally next to the laboratory).
This test system is mainly controlled by computer. The operator is outside the test room, and the personnel will not affect the wind field. The test of the equipment is completed automatically, and the test data is recorded, saved, and the air flow report and energy efficiency rating are automatically generated. This system has advantages of good repeatability, high efficiency, convenient data storage and so on.
Technical Characteristics and Advantages:
(1) This test device is developed according to customer requirements, and is mainly used to test the performance of table fans, floor fans and pedestal fans.
(2) This test system has the advantages of high test accuracy, accurate data, fast test speed, convenient operation, energy saving, and low investment, which traditional test stands do not have.
(3) This test system adopts dual automatic control and operation of computer, which ensures the long-term stability and convenient operation, and can effectively avoid the interruption of data collection and the readjustment of working conditions caused by the computer's crash, restart or misoperation. In addition to the simultaneous operation on the computer, the test system can also simultaneously record the original data, display the process control curve, print the original data report, automatically generate the calculation results, and display the results in the form of a curve on the computer, at the same time, issue the report in the format required by the customer.
(4) This test room uses an efficient energy-saving scheme and a fast and stable system. The fast stabilization system can reach stable conditions in 2.5 hours.
(5) The core accessories are imported well-known brands with good stability and low failure rate. The temperature & humidity sensor is E+E or the wind speed sensor is Testo or TSI brand ones, and the stepper motor and servo motor are Japanese brand ones or equivalent brand ones.
(6) The test room has the advantages of high efficiency and energy saving. Some part of the test room can make full use of the combination of heat recovery and hierarchical control to reduce operating power and save a lot of power.
(7) The overall appearance is beautiful. The well-known brand cold storage board is adopted, which has the advantages of good thermal insulation performance and flat appearance.
(8) The test room has long-term operation without failure, and the service life can reach more than 10 years.
(9) The deviation of the comparison result with the national laboratory is not more than 3%. Meet the technical requirements of national laboratory certification or production license application.
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How to detect whether the battery is malfunctioning during operation?
2023-10-27
An electric vibration test system, also known as an electrodynamic vibration test system, is a specialized equipment used to simulate vibrations and test the performance, durability, and reliability of various products and components. It is commonly used in industries such as aerospace, automotive, electronics, and mechanical engineering.
Here are some key components and features of an electric vibration test system:
Electrodynamic Shaker: The core component of the system is an electrodynamic shaker, which generates vibrations by using an electromagnetic field to move a voice coil within a magnetic field. The shaker is capable of producing controlled vibrations with a wide range of frequencies and amplitudes.
Amplifier: An amplifier is used to provide electrical power to the shaker and control the vibration levels. It amplifies the input signal and drives the shaker to produce the desired vibration profile.
Control System: The control system is responsible for controlling the vibration parameters, such as frequency, amplitude, and waveform. It allows users to set up and execute specific test profiles, monitor the vibration performance, and collect data for analysis.
Fixturing and Interface: The test system includes various fixtures, adapters, and interfaces to securely mount the test specimens or products onto the shaker. These fixtures ensure proper coupling and transfer of vibrations from the shaker to the test object.
Sensors and Instrumentation: Sensors such as accelerometers, strain gauges, and displacement transducers are used to measure and monitor the response of the test specimen during vibration testing. These sensors provide valuable data on the product's structural behavior, dynamics, and performance.
Data Acquisition and Analysis: The system may include data acquisition devices and software to capture and analyze the measured data. This allows for detailed analysis of the product's response to vibrations, identification of potential issues or weaknesses, and optimization of design and performance.
Safety Features: Electric vibration test systems are equipped with safety features to protect the equipment, operators, and test specimens. These may include overload protection, emergency stop buttons, interlocks, and safety enclosures to minimize risks during testing.
Test Standards Compliance: Many electric vibration test systems are designed to comply with specific industry standards and testing specifications. These standards define the test procedures, parameters, and acceptance criteria for various products and applications.
Electric vibration test systems are versatile tools used for a wide range of tests, including mechanical stress testing, fatigue testing, product qualification, and research and development. They help identify and address potential design flaws, ensure product reliability, and improve overall quality and performance.
Environmental Stress Screening (DCS) is extremely effective in eliminating potential product defects. In the development stage, it becomes a magic weapon to find product design defects to achieve reliability growth; in the production stage, it becomes an important means to reduce production costs and create excellent products.
The DCS project will be applied during product development and production, which can greatly improve product reliability and reduce maintenance costs. Applying DCS during development can greatly save testing time and cost, thereby eliminating or reducing hidden defects before testing. The benefits for producers include: insight into reliability problems in products or processes, so as to eliminate reliability problems from products and processes, reduce production costs and save resources.
Vibration test can be used to find early battery failure, simulate actual working condition assessment and structural strength test. The product has a wide range of applications, wide application range, remarkable and reliable test effect. It is an ideal battery-specific vibration test for battery manufacturers, quality inspection departments and research institutes. Test Equipment. It is suitable for vibration testing of various types of single cells and battery packs such as charging treasures, lithium-ion, nickel-metal hydride, nickel-cadmium, lead-acid, and nickel metal hydride.
Vibration tests can also be used for fatigue tests of products for life assessment of products.
Technical Performance Indicators of Each Component:
Vibration Generator (Model: (DV-300) / Power Amplifier (Model KA-3)
Sine thrust
22000N (2200kg.f)
Random thrust
22000n (2200kg.f)
Impact thrust
44000N (4400kg.f)
Frequency range
DG~3000Hz
Continuous displacement
51mm
Shock displacement (maximum displacement)
51mm
Maximum speed
2m/s
Maximum acceleration
981m/s2 (100g) (no load)
Moving coil diameter
Φ320mm
1st order resonance frequency
3200 hz±5%
Allowable eccentric moment
≤2500N·cm
Equivalent mass of moving parts
20kg
Load connection point
13
Table screw size (standard)
M8
Table screw layout (diameter, circumference)
13-M8 deep 16mm
Axial isolation frequency
<2.5Hz
Maximum load
400kg
Flux leakage
≤1mt
Ambient temperature
0~40℃
Table body size (without packaging) (L×W×H) approx.
1200mm×870mm×1100mm
Table weight (without packaging) approx.
1600kg
Amplifier output
22kva
Snr
>65db
System protection
1. power amplifier overvoltage protection
2. system timing protection
3. power amplifier undervoltage protection
4. zero signal protection (reset)
5. over-displacement protection
6. leakage protection
7. platform overheating protection
8. excitation fuse protection
9. module overheating protection
10. external timing protection
11. output over-current protection
12. external zero signal protection
13. output overvoltage protection
14. interlock protection of horizontal sliding platform
15. module overcurrent protection
16. thermal relay overload protection
17. module timing protection
18. power amplifier power-on soft start protection
Rated output voltage
100Vrms
Output current
220A
Input resistance
≥15kω
Input signal voltage
≤1.5rms
Power amplifier efficiency
>90%
Harmonic distortion (resistive load)
<1.0%
Output voltage measurement error
≤5%
Output current measurement error
≤5%
Output current crest coefficient
≥3
DC stability
The zero drift of the output terminal is not more than 30mv/8h
Frequency range
1-120000hz: ±3db; if gain: ≥80
DC/AC conversion efficiency
>92%
Load nature
Resistive, capacitive, inductive any
Parallel current sharing unbalance
≤2.8%
Mean time between failures (MTBF)
>3500h
Cooling method
Forced air cooling
Power supply
Ac 3-phase 50hz 380v±10%
Dimensions (without packaging) (L×W×H) approx.
850mm×580mm×1920mm
Amplifier weight (without packaging) approx.
500kg
Fan (Model: FJ-2000)
Fan power
7.5kw
Air volume
67.5m3/min
Duct diameter
200mm
Duct length
4.5m
Wind pressure
8800pa
Dimensions (without packaging) (L×W×H) approx.
500mm×520mm×650mm
Weight (without packaging) approx.
200kg
Horizontal slid table (Model: SC-0505)
Table size
1000×1000mm (square)
Equivalent mass (maximum load bearing)
About 150kg
Upper limit frequency
Sine 2000hz, random 2000hz
Table material
Magnesium Aluminum Alloy
Vertical extension table (model: TB-0505)
Table size
1000mm×1000mm (square)
Equivalent mass (maximum load bearing)
About 143kg
Upper limit frequency
Sine 800hz, random 2000hz
Table material
Magnesium Aluminum Alloy
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