CN114739653A - A liquid cold plate temperature alternating performance verification equipment - Google Patents

Abstract

The invention provides a liquid cooling plate temperature alternating performance verification equipment, which includes a water tower and a water condenser, the water tower and the water condenser are connected with each other, the water condenser is connected with a test box and a filter I, and the filter I is connected with the test box The filter communicates with the water tank, and the filter communicates with the test box through the water tank. The purpose of the present invention is to design a liquid-cooling plate temperature alternating performance verification device, which can set low temperature and high temperature according to the customer's different internal and external environmental test requirements of the liquid-cooling plate, so as to meet the different test temperature requirements of different customers .

Description

A liquid cold plate temperature alternating performance verification equipment

technical field

The invention relates to a liquid cooling plate temperature alternating performance verification device.

Background technique

With the continuous increase of energy consumption and the increasingly prominent problem of environmental pollution, green environmental protection has become the basic national policy of economic development of all countries in the world. Under this background, new energy vehicles are developing rapidly. Liquid-cooled plates are the main heat dissipation components of thermal management systems such as automobile heat exchangers and battery packs of new energy electric vehicles. They are the core components of battery packs. Temperature uniformity and timely heat dissipation are also one of the important factors that affect the battery life and life, and improve the cruising range, so the performance of the liquid cooling plate directly affects the performance of the entire car!

At present, there is no temperature alternating test equipment in the industry that specifically targets the performance of the liquid cold plate. In order to better understand the product performance and the safety of later use, the applicant has designed this device that can be used in different external ambient temperatures, different internal liquid temperatures, and different Experimental equipment under flow.

The verification equipment in Figure 1 is a schematic diagram of the working principle before the improvement of the temperature alternating performance verification equipment of the liquid cold plate. The experimental process is relatively limited and the experiment is inaccurate.

SUMMARY OF THE INVENTION

The purpose of the present invention is to overcome the shortcomings of the above-mentioned traditional technologies, and to provide a liquid-cooled plate temperature alternating performance verification device, which can effectively solve the above-mentioned technical problems and is suitable for popularization and application.

The object of the present invention is achieved by the following technical measures: a liquid-cooled plate temperature alternating performance verification equipment, including a water tower and a water condenser, the water tower and the water condenser are communicated with each other, and the water condenser is communicated with a test The box is connected with the filter I, the filter I is communicated with the test box, the filter is communicated with a water tank, and the filter is communicated with the test box through the water tank.

As a preferred solution, compressors are installed between the cold heat exchanger and the test box, and between the cold heat exchanger and the filter I, respectively.

As a preferred solution, a heater and a temperature sensor are installed in the test box, and a heater and a temperature sensor are installed in the filter I.

As a preferred solution, a flowmeter and a water pump I are installed between the filter I and the test box, and the water pump I and the flowmeter are communicated with the filter I and the test box.

As a preferred solution, a filter II and a water pump II are installed between the water tank and the test box, and the water pump II and the filter II are communicated with the test box and the water tank.

As a preferred solution, it also includes a PLC and a main control power supply, the PLC includes a PLC display and a controller, the PLC display, the controller and the main control power supply are electrically connected, and the main control power supply is electrically connected to the water tower, The controller is electrically connected with the heater, the temperature sensor, the compressor, the water pump I, the water pump II, and the flow meter.

Owing to adopting the above-mentioned technical scheme, compared with the prior art, the advantages of the present invention are:

1. The equipment has a large range to meet higher test requirements;

2. Realize the performance test of the liquid-cooled plate in various external high and low temperature environments;

3. The equipment meets the test requirements for flow changes;

4. The equipment has the functions of data processing, result output, abnormal shutdown and automatic saving after the test.

Now the new equipment can avoid the experimental inaccuracy caused by the difference between the external and internal temperature. At the same time, it can test different external temperature environments and internal liquid temperatures under the condition of flow changes. The temperature rise and fall rate of the equipment can be increased to 2.5 ~10℃/min, the lowest temperature can reach -50℃ below zero and 100℃ above zero, and the flow rate can reach 2~20L/min.

The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

Description of drawings

Figure 1 is a schematic diagram of the working principle of the liquid cold plate temperature alternating performance verification equipment before improvement.

Figure 2 is a schematic diagram of the improved working principle of the liquid cold plate temperature alternating performance verification equipment.

Detailed ways

Embodiment: As shown in accompanying drawing 2, a kind of liquid cold plate temperature alternating performance verification equipment, including water tower and water condenser, water tower and water condenser are communicated with each other, water condenser is communicated with test box and filter I, filter The device I is communicated with the test box, the filter is communicated with a water tank, and the filter is communicated with the test box through the water tank.

Compressors are installed between the cold heat exchanger and the test box, and between the cold heat exchanger and the filter I, respectively.

A heater and a temperature sensor are installed in the test box, and a heater and a temperature sensor are installed in the filter I.

A flow meter and a water pump I are installed between the filter I and the test box, and the water pump I and the flow meter are connected to the filter I and the test box.

A filter II and a water pump II are installed between the test box, and the water pump II and the filter II are connected with the test box and the water tank.

This liquid cold plate temperature alternating performance verification equipment also includes PLC and main control power supply, PLC includes PLC display and controller, PLC display, controller and main control power supply are electrically connected, main control power supply is electrically connected with water tower, controller It is electrically connected with heater, temperature sensor, compressor, water pump I, water pump II and flow meter.

The operation process of the equipment is to add liquid into the water tank of the equipment first, and connect the equipment to the external water tower at the same time. The temperature of the water condenser is sent to the water tower through circulating water for cooling. The temperature is transported through the pipeline to the inside of the water condenser, and the temperature in the liquid is also transported through the refrigerant circulation inside the compressor. In the temperature environment, at the same time, a heater is installed in the filter I and filter II, so that the test liquid of the liquid cold plate can be tested in a test environment above zero, and a flowmeter is installed on the pipeline to control and monitor the liquid in real time. The liquid flow rate in the cold plate makes the flow rate meet the required test requirements.

Specifically, the use steps are:

(1) Put the product into the test box and connect the product;

(2) Add the corresponding test liquid to the water tank, start the main control power supply to energize the equipment and the water tower, and set the temperature in the test box and the temperature of the liquid in the water tank on the PLC according to the requirements of the customer's experiment program, and set the temperature at the same time. Liquid flow rate, test time, the number of temperature alternating cycles, and check the liquid height of the liquid in the water tank to prevent liquid shortage after the equipment is started;

(3) Start the test switch;

(4) After the test time meets the customer's requirements, the test results will be displayed in the PLC;

(5) After the test, insert the U disk at the USB interface to export the data and turn off the device.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. a liquid cold plate temperature alternating performance verification equipment, it is characterized in that: comprise water tower and water condenser, described water tower and water condenser are communicated with each other, and described water condenser is communicated with test box and filter I, so The filter I is communicated with the test box, the filter is communicated with a water tank, and the filter is communicated with the test box through the water tank. 2. A liquid cold plate temperature alternating performance verification device according to claim 1, characterized in that: between the cold heat exchanger and the test box, and between the cold heat exchanger and the filter I are respectively installed with compressor. 3. A liquid cold plate temperature alternating performance verification device according to claim 2, characterized in that: the test box and the filter I are respectively equipped with a heater and a temperature sensor. 4. A liquid cold plate temperature alternating performance verification device according to claim 3, characterized in that: a flow meter and a water pump I are installed between the filter I and the test box, and the water pump I, the flow meter Connected with filter I and test box. 5. A liquid cold plate temperature alternating performance verification device according to claim 4, characterized in that: a filter II and a water pump II are installed between the water tank and the test box, and the water pump II and the filter II are installed Connected with test box and water tank. 6. A liquid-cooling plate temperature alternating performance verification device according to claim 5, characterized in that: further comprising a PLC and a main control power supply, the PLC comprising a PLC display and a controller, the PLC display, the controller It is electrically connected with the main control power supply, the main control power supply is electrically connected with the water tower, and the controller is electrically connected with the heater, temperature sensor, compressor, water pump I, water pump II, and flow meter.

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