Liquid heat exchange box

Abstract

The utility model belongs to the technical field of test instruments, and particularly relates to a liquid heat exchange box which comprises a heat exchange temperature control water tank unit installed in a box body, and the heat exchange temperature control water tank unit and an external machine are connected through electric signals to form an integrated heat exchange box set for liquid cold and hot control. A flow divider is arranged in the box body, and a flow monitor, a pressure monitor and a temperature monitor are arranged in the flow divider and used for detecting the temperature, flow and pressure of liquid entering the box body. According to the liquid heat exchange box, heat is provided for heat conduction oil through a heating wire in a heating unit, the heated heat conduction oil is conveyed into a box body through a pipeline, a heat exchange temperature control water tank unit and a heat exchange temperature control oil tank unit which are located in an environment box conduct liquid cold and heat exchange, and the heat conduction oil is heated by adjusting and controlling the proportion of water liquid and oil liquid. A buffer environment is provided for heat transfer of the heat-conducting oil, and meanwhile, the temperature in the environment box is rapidly and efficiently adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of test instruments, in particular to a liquid heat exchange box. Background Art

[0002] A hot and cold stage is an experimental instrument used to simulate the performance and response of an object in different temperature environments. It can simulate different environmental conditions, including high temperature, low temperature, humidity, etc., by controlling the temperature, and evaluate its performance and reliability in different environments by observing the performance and response of the object. The working principle of the hot and cold stage is mainly based on heat conduction and temperature control technology. It usually consists of a temperature control system, a heating element, a cooling system, and a test platform. During the operation of the hot and cold stage, it can simulate temperature changes under different environmental conditions, test and study the performance of materials, and use the hot and cold stage to test the thermal expansion coefficient of the material, evaluate its stability and reliability at high and low temperatures, or test the battery or overall product life and performance of the corresponding equipment in a high temperature environment. However, the existing hot and cold control consoles have some defects, such as:

[0003] The existing hot and cold stages work by directly raising the temperature in the environmental box at the detection location through a heating device connected to a heating wire. Since the heating wire is directly heated, the heat exchange and heating parts are affected by the temperature difference during the temperature control process, which accelerates the aging of the heat exchange equipment. In addition, heat is directly exchanged between the heat exchange equipment and the heating equipment, resulting in excessive waste of heat and increased energy loss.

[0004] In view of the above problems, it is urgent to carry out innovative design based on the original cooling and heating control device. Utility Model Content

[0005] The purpose of the utility model is to provide a liquid heat exchange box to solve the problem raised in the above background technology that due to the direct heating treatment of the heating wire, the heat exchange and heating parts are affected by the temperature difference during the temperature control process, which accelerates the aging of the heat exchange equipment, and the heat exchange between the heat exchange equipment and the heating equipment is directly carried out, resulting in excessive waste of heat and increased energy loss.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A liquid heat exchange box group, comprising: an environmental box, a heat exchange temperature control water tank unit, a heat exchange temperature control oil tank unit, a heat transfer oil tank and an external machine are connected via electrical signals to form an integrated heat exchange box group for liquid hot and cold control;

[0008] The heat exchange temperature control water tank unit is connected to the thermal oil control unit through a pipeline, which is used for heat exchange between water and the thermal oil tank to achieve heat transfer and control;

[0009] The heat exchange temperature control oil tank unit is connected to the heat transfer oil control unit through a pipeline, and is used to cooperate with the heat transfer oil tank to perform mixed temperature control and control the hotness or coldness of the liquid;

[0010] The heat transfer oil control unit is connected to the heating unit through a pipeline to control the amount of liquid entering the heating unit and the degree of hotness or coldness of the liquid.

[0011] Preferably, the box body is provided with a cold exchange inlet, a cold exchange outlet, a heat exchange inlet, and a heat exchange outlet, the cold exchange inlet and the cold exchange outlet are connected to the environmental box pipeline, and the heat exchange inlet and the heat exchange outlet are connected to the heat transfer oil tank pipeline.

[0012] Preferably, a heat exchange plate is provided inside the heat exchange temperature control water tank unit, and a percentage regulating valve provided inside the heat exchange plate adjusts the liquid flow rate, and the heat exchange plate is connected to the magnetic pump and the heat exchange pump to assist the liquid flow.

[0013] Preferably, corresponding capacitive liquid level sensors and visual liquid level meters are installed inside the water tank of the heat exchange and temperature control water tank unit.

[0014] Preferably, a heat exchange plate is provided inside the heat exchange temperature control oil tank unit, and a percentage regulating valve provided inside the heat exchange plate adjusts the liquid flow rate, and the heat exchange plate connects the gear pump and the heat exchange pump to assist the liquid flow.

[0015] Preferably, a corresponding capacitive liquid level sensor and a visual liquid level meter are installed inside the oil tank of the heat exchange and temperature control oil tank unit.

[0016] Preferably, a flow diverter is provided inside the environmental chamber, and a flow monitor, a pressure monitor and a temperature monitor are provided inside the flow diverter.

[0017] Compared with the prior art, the present invention has the following beneficial effects: the liquid heat exchange box group:

[0018] 1. The heating unit connected to the heat transfer oil control unit provides heat for the internal heat transfer oil, and the heated heat transfer oil is transmitted to the box through the pipeline. The heat exchange temperature control water tank unit located inside the box and the heat exchange temperature control oil tank unit perform liquid heat exchange. By adjusting the ratio of water and oil, a buffer environment is provided for the heat transfer of the heat transfer oil. At the same time, the temperature in the environmental box is adjusted quickly and efficiently, and the temperature is quickly regulated to avoid the accelerated aging of the heat exchange equipment caused by overload temperature changes;

[0019] 2. The heat exchange temperature control oil tank unit and the heat transfer oil control unit adjust the ratio between oil and water, so as to quickly obtain the corresponding heat from the heat transfer oil, and enter the box through the pipeline. The temperature of the oil and water is quickly and evenly distributed inside the box by the diverter inside the box. The flow monitor, pressure monitor and temperature monitor installed in the pipeline are connected to control the temperature inside the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of the utility model;

[0021] Figure 2 Schematic diagram of the principle structure of the control system of the utility model;

[0022] Figure 3 Schematic diagram of the internal equipment of the heat exchange temperature control water tank unit of the utility model;

[0023] Figure 4 A schematic diagram of the internal equipment of the heat exchange temperature control oil tank unit of the present invention.

[0024] Description of reference numerals:

[0025] 1. Box body; 11. Cold exchange inlet; 12. Cold exchange outlet; 13. Heat exchange inlet; 14. Heat exchange outlet; 2. Environmental box; 21. Diverter; 22. Flow monitor; 23. Pressure monitor; 24. Temperature monitor; 6. Heat exchange temperature control water tank unit; 7. Heat exchange temperature control oil tank unit; 8. Thermal oil control unit; 9. Heating unit; 10. Thermal oil tank. DETAILED DESCRIPTION

[0026] like Figure 1 As shown in FIG. 4 , a specific implementation of a liquid heat exchange box group is as follows:

[0027] The invention comprises: an environmental box 2, a heat exchange temperature control water tank unit 6, a heat exchange temperature control oil tank unit 7, and a heat transfer oil tank 10 are installed inside the box body 1, and the heat transfer oil tank 10 is connected with an external machine through an electrical signal to form an integrated heat exchange box group for liquid hot and cold control;

[0028] The environmental box 2 is provided with a flow divider 21, and the flow divider 21 is provided with a flow monitor 22, a pressure monitor 23 and a temperature monitor 24. The box body 1 is provided with a cold exchange inlet 11, a cold exchange outlet 12, a heat exchange inlet 13 and a heat exchange outlet 14. The cold exchange inlet 11 and the cold exchange outlet 12 are connected to the environmental box 2 by pipeline, and the heat exchange inlet 13 and the heat exchange outlet 14 are connected to the heat transfer oil tank 10 by pipeline.

[0029] The heat exchange and temperature control water tank unit 6 is connected to the heat transfer oil control unit 8 through a pipeline, which is used for heat exchange between water and the heat transfer oil tank to achieve heat transfer and control; a heat exchange plate is arranged inside the heat exchange and temperature control water tank unit 6, and a percentage regulating valve arranged inside the heat exchange plate adjusts the liquid flow, and the heat exchange plate is connected to a magnetic pump and a heat exchange pump to assist the liquid flow, and a corresponding capacitive liquid level sensor and a visual liquid level meter are installed inside the water tank of the heat exchange and temperature control water tank unit 6;

[0030] The heat exchange temperature control oil tank unit 7 is connected to the heat transfer oil control unit 8 through a pipeline, which is used to cooperate with the heat transfer oil tank for mixed temperature control and control of the hot and cold degree of the liquid; a heat exchange plate is arranged inside the heat exchange temperature control oil tank unit 7, and a percentage regulating valve arranged inside the heat exchange plate adjusts the liquid flow, and the heat exchange plate is connected to the gear pump and the heat exchange pump to assist the liquid flow, and a corresponding capacitive liquid level sensor and a visual liquid level meter are installed inside the oil tank of the heat exchange temperature control oil tank unit 7;

[0031] The heat transfer oil control unit 8 is connected to the heating unit 9 through a pipeline to control the amount of liquid entering the heating unit and the degree of hotness or coldness of the liquid.

[0032] When in use, the heat exchange temperature control water tank unit 6 and the heat exchange temperature control oil tank unit 7 are installed in the box body 1, and at the same time, the oil tank and water tank structure corresponding to the heat exchange temperature control water tank unit 6 and the heat exchange temperature control oil tank unit 7 are installed inside the box body 1. Corresponding capacitive liquid level sensors and visual liquid level meters are installed in the water tank of the heat exchange temperature control water tank unit 6 and the oil tank of the heat exchange temperature control oil tank unit 7. The capacitive liquid level sensor is used to record data on the reciprocating flow of water and oil. Corresponding temperature sensors and electrically driven stirring rod devices are arranged in the water tank and the oil tank to avoid sedimentation of the liquid in the oil tank and the water tank and maintain the activity of the liquid.

[0033] During use, the heat exchange pumps inside the heat exchange temperature control water tank unit 6 and the heat exchange temperature control oil tank unit 7 are both frequency-controlled, which are used to coordinate the flow rate of water or oil in the pipeline to regulate the temperature of the mixed liquid. The heat exchange plates inside the heat exchange temperature control oil tank unit 7 and the heat exchange temperature control water tank unit 6 are respectively coordinated with the corresponding evacuation plates and gear pumps to assist the flow of the liquid. Corresponding heat exchange equipment and magnetic pumps are arranged on the hot side and the cold side of the heat exchange temperature control water tank unit 6 to exchange the heat of the heat transfer oil, so as to provide a temperature control environment for the temperature changes inside the box body 1.

[0034] In conjunction with the accompanying drawings Figure 1-4As shown, when in use, the power supply is used to power the equipment inside the environmental box 1 and to power the inside of the thermal oil control unit 8. A low-temperature thermal oil and a high-temperature thermal oil are arranged inside the thermal oil control unit 8, and two oil tanks are arranged separately for the two thermal oils. Corresponding temperature detection equipment is arranged at the pipelines of the low-temperature thermal oil and the high-temperature thermal oil of the thermal oil control unit 8. A two-stage compressor is installed in the thermal oil control unit 8 to heat the thermal oil inside the thermal oil control unit 8. The thermal oil control unit 8 realizes remote control of the external machine through electrical signal control, wherein the thermal oil, oil and water in the thermal oil control unit 8 constitute a closed circulation system, and the percentage between the thermal oil, oil and water is controlled by the percentage regulating valve, and the precise liquid hot and cold control is realized in the temperature monitor 24. As the internal work of the environmental box 2 and the thermal oil control unit 8 is carried out, the corresponding cooling water pipeline is used for auxiliary work, and the sample product and the corresponding state detection equipment of the sample detection unit are installed inside the environmental box 2, and the corresponding detection state of the sample is realized within the temperature controlled by the environmental box 2.

[0035] Working principle: When using the liquid heat exchange box group, firstly, the connected heat transfer oil control unit 8 is powered by an external power supply and cooling water is provided and removed, and compressed air is used to assist the work of the heat transfer oil. After the heat transfer oil control unit 8 detects that the temperature of the heat transfer oil is at a suitable position, it is connected to the heat exchange temperature control water tank unit 6 through a pipeline, so that the heat transfer oil and the heat exchange plate inside the heat transfer temperature control water tank unit 6 are in contact with the water for temperature control. During the control process, the percentage regulating valve further regulates the internal temperature of the heat exchange temperature control water tank unit 6. At the same time, the heat exchange temperature control oil tank unit 7 is mixed with the heat transfer oil after heat exchange through the percentage regulating valve to adjust the proportional output, thereby realizing the control of the liquid temperature. During use, the external machine performs temperature control on the sample workpiece inside the environmental box 1.

[0036] The above is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A liquid heat exchange box, characterized in that: include: An environmental box (2), a heat exchange temperature control water tank unit (6), a heat exchange temperature control oil tank unit (7), and a heat transfer oil tank (10) are installed inside the box body (1), and are connected to an external machine via electrical signals to form an integrated heat exchange box group for liquid cooling and heating control; The heat exchange temperature control water tank unit (6) and the heat transfer oil control unit (8) are connected via a pipeline, and are used for heat exchange between cooling water and the heat transfer oil tank (10), thereby realizing heat transfer and control; The heat exchange temperature control oil tank unit (7) is connected to the heat transfer oil control unit (8) via a pipeline, and is used to cooperate with the heat transfer oil tank (10) to perform mixed temperature control to control the hotness or coldness of the liquid; The heat transfer oil control unit (8) is connected to the heating unit (9) via a pipeline, and the heat transfer oil control unit (8) controls the amount of liquid entering the heating unit (9) and controls the degree of hotness or coldness of the liquid.

2. A liquid heat exchange box according to claim 1, characterized in that: The box body (1) is provided with a cold exchange inlet (11), a cold exchange outlet (12), a heat exchange inlet (13), and a heat exchange outlet (14); the cold exchange inlet (11) and the cold exchange outlet (12) are connected to the environmental box (2) through a pipeline, and the heat exchange inlet (13) and the heat exchange outlet (14) are connected to the heat transfer oil tank (10) through a pipeline.

3. The liquid heat exchange box according to claim 1, characterized in that: The heat exchange temperature control water tank unit (6) is provided with a heat exchange plate inside, and a percentage regulating valve arranged inside the heat exchange plate adjusts the liquid flow rate, and the heat exchange plate is connected to a magnetic pump and a heat exchange pump to assist the liquid flow.

4. The liquid heat exchange box according to claim 1, characterized in that: A corresponding capacitive liquid level sensor and a visual liquid level meter are installed inside the water tank of the heat exchange and temperature control water tank unit (6).

5. The liquid heat exchange box according to claim 1, characterized in that: The heat exchange temperature control oil tank unit (7) is provided with a heat exchange plate inside, and a percentage regulating valve arranged inside the heat exchange plate adjusts the liquid flow rate, and the heat exchange plate is connected to a gear pump and a heat exchange pump to assist the liquid flow.

6. The liquid heat exchange box according to claim 1, characterized in that: A corresponding capacitive liquid level sensor and a visual liquid level meter are installed inside the oil tank of the heat exchange and temperature control oil tank unit (7).

7. The liquid heat exchange box according to claim 1, characterized in that: A flow divider (21) is arranged inside the environmental box (2), and a flow monitor (22), a pressure monitor (23) and a temperature monitor (24) are arranged inside the flow divider (21).

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