CN216210685U

CN216210685U - Temperature control unit

Info

Publication number: CN216210685U
Application number: CN202122449379.2U
Authority: CN
Inventors: 董志永; 刘爱军
Original assignee: Siemens Rail Transit Equipment Tianjin Co ltd
Current assignee: Siemens Rail Transit Equipment Tianjin Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-04-05
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to the technical field of product temperature regulation, in particular to a temperature regulation unit. When the temperature regulation and control unit operates, the first interface end (111) is conducted to the self-checking pipeline (3) through the route conversion valve, so that cooling liquid flows on a cooling liquid route formed among the pump (1), the self-checking pipeline (3) and the temperature regulation equipment (2) in a circulating mode, and meanwhile, the fluid state detection device is used for detecting data such as cooling liquid flow, pressure and temperature on the first pipeline (11) and the second pipeline (21) and performing self-checking on whether the temperature regulation and control unit can normally operate or not. When the self-checking result is normal, the first interface end (111) is communicated to the first connecting pipe (12) through the circuit switching valve, and the problems that a product to be tested (4) is damaged and an accident happens due to pipeline blockage in the product testing process are avoided.

Description

Temperature control unit

Technical Field

The utility model relates to the technical field of product temperature regulation, in particular to a temperature regulation unit.

Background

The frequency converter used in the high-speed rail is provided with a cooling channel, the frequency converter is also provided with a cooling device connected to the cooling channel to cool the frequency converter during operation, and meanwhile, the cooling device is also required to cool the frequency converter in a test link before the frequency converter leaves a factory, so that the environmental temperature of the frequency converter during operation is simulated.

A cooling arrangement who uses in the test link of converter now is provided with water pump and cooling tower, and the converter is supplied with the coolant liquid that the cooling tower flows to the water pump, and the coolant liquid cools off in absorbing the heat of converter backward flow to the cooling tower again, through the circulation flow of coolant liquid, gives off the heat that the converter produced in the air through the heat exchange of cooling tower and external environment to the realization carries out the purpose of cooling to the converter.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides a temperature control unit, which can perform self-checking before product testing to avoid the problems of damage to a product to be tested and accidents caused by abnormal conditions such as pipeline blockage of the temperature control unit in the product testing process.

In one embodiment of the present invention, a temperature control unit is provided, including: the first pipeline connected with the liquid outlet of the pump is provided with a first interface end; the second pipeline connected with the liquid inlet of the temperature adjusting device is provided with a second interface end, and the liquid outlet of the temperature adjusting device is communicated with the liquid inlet of the pump through a third pipeline; one end of the first connecting pipe is connected with the first interface end, the other end of the first connecting pipe is used for connecting a first end of a product to be tested, one end of the second connecting pipe is connected with the second interface end, and the other end of the second connecting pipe is used for connecting a second end of the product to be tested; one end of the self-checking pipeline is connected with the first interface end, and the other end of the self-checking pipeline is connected with the second interface end; a route switching valve connected between the first interface end and the first connection pipe and the self-test line to selectively conduct the first interface end to the self-test line or the first connection pipe; a fluid condition detection device disposed on the first and/or second tubing.

Therefore, when the temperature regulating unit operates, the first interface end is conducted to the self-checking pipeline through the route conversion valve, so that cooling liquid circularly flows on a cooling liquid route formed among the pump, the self-checking pipeline and the temperature regulating equipment, and meanwhile, whether the temperature regulating unit can normally operate is self-checked through detecting the flow, pressure, temperature and other data of the cooling liquid on the first pipeline and the second pipeline through the fluid state detection device; when the self-checking result is normal, the first interface end is conducted to the first connecting pipe through the line switching valve, cooling liquid flows on a cooling liquid line formed among the pump, the product to be tested and the temperature adjusting equipment in a circulating mode, the operation parameters of the temperature adjusting equipment can be adjusted according to the data of cooling liquid flow, pressure, temperature and the like on the first pipeline and the second pipeline detected by the fluid state detection device, so that the requirement of the product to be tested on the testing environment temperature is met, meanwhile, when the temperature adjusting and controlling unit is detected to operate abnormally, the power supply for controlling the power supply of the product to be tested can be cut off to stop testing, and the problems that the product to be tested is damaged due to pipeline blockage in the product testing process, accidents occur and the like are avoided.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: a console communicatively coupled to at least one of the pump, the thermostat, the route switch valve, the fluid condition detection device, and a power switch for controlling the powering of the product to be tested. Therefore, the temperature regulation and control unit can automatically control the pump, the temperature regulation and control equipment, the route conversion valve and the power switch for controlling the power supply of the product to be tested according to the test command and the data detected by the fluid state detection device through the console, and the intelligent control of the product test process is realized.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: and the temperature detector is in communication connection with the console and is used for directly measuring the temperature of the product to be tested. So, the temperature regulation and control unit can carry out automatic control to the switch of controlling the product power supply that awaits measuring according to the temperature of the product that awaits measuring through the control cabinet, can cut off the switch of controlling the product power supply that awaits measuring when the product temperature is too high to avoid the emergence of the product damage and the accident of awaiting measuring.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: at least one pressure gauge, it with the control cabinet communication connection, and wherein one of them the pressure gauge sets up on first connecting pipe or the second connecting pipe. So, carry out the in-process that the temperature regulation and control was carried out for the product that awaits measuring at temperature regulation and control unit, can judge whether the coolant liquid pipeline of the product that awaits measuring is inside to take place to block up through the manometer to the pressure data transmission of the product coolant liquid import that awaits measuring and export gives the control cabinet, when the coolant liquid pipeline of the product that awaits measuring takes place to block up, the switch that the power supply of the product that awaits measuring was controlled can be cut off to the control cabinet, perhaps control water pump stall.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: at least one first control valve, wherein one of the first control valves is disposed on the first line or the second line. Therefore, when the temperature regulating unit stops, the flow paths on the first pipeline and the second pipeline can be cut off through the first control valve.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control device includes at least one of a cooling tower, a heat pump, and an electric heater. So, can come the cooling for the product that awaits measuring through the cooling tower, the heat pump both can be for the product cooling that awaits measuring also can heat up, and electric heater can be used for the product that awaits measuring to heat up, can select according to the requirement of the product that awaits measuring to test environment temperature.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the route switching valve includes: the inlet end of the three-way reversing valve is communicated with the first connector end, the first outlet end of the three-way reversing valve is communicated with the first connecting pipe, and the second outlet end of the three-way reversing valve is communicated with the self-checking pipeline; or, a combination of a second control valve and a third control valve, the second control valve being disposed on the self-check line, and the third control valve being disposed on the first connection pipe. Therefore, the three-way reversing valve can selectively conduct the first interface end to the self-checking pipeline or the first connecting pipe by selectively conducting the inlet end of the three-way reversing valve with the first outlet end or the second outlet end of the three-way reversing valve. And selectively conducting the first interface end to the self-test line or the first connecting pipe can be achieved by opening one of the second control valve and the third control valve and closing the other one of the second control valve and the third control valve.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the fluid state detection device includes at least one of the following components: at least one flow sensor, wherein one of the flow sensors is disposed on the first or second conduit; at least one pressure sensor, wherein one of said pressure sensors is disposed on said first line or said second line; at least one temperature sensor, wherein one of the temperature sensors is disposed on the first or second conduit. Therefore, whether related pipelines in the temperature regulation and control unit are blocked or not can be judged through data detected by the flow sensor and the pressure sensor, and the parameters of the temperature regulation and control equipment can be controlled through the temperature sensor so as to keep the test environment temperature of a product to be tested within a required temperature range.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: and the water tank is arranged on the third pipeline or the second pipeline, and a liquid level detector is arranged in the water tank. Therefore, the surplus of the cooling liquid can be detected through the liquid level detector, so that the cooling liquid in the temperature regulation unit can be replenished in time after being consumed.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: and one end of the fourth pipeline is connected to the first pipeline, the other end of the fourth pipeline is connected to the water tank, and a first control valve is arranged on the fourth pipeline. Therefore, when the pump is a fixed-frequency pump, if the flow of the cooling liquid required by the product to be tested is smaller than the flow of the pump, the redundant flow discharged by the pump can flow back to the water tank by adjusting the first control valve, so that the requirement of the product to be tested on the flow of the cooling liquid is met.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: at least one filter, wherein one filter is disposed on the first line or the third line. So, the filter that sets up on the first pipeline can filter before the coolant liquid gets into the product that awaits measuring to reduce or avoid impurity to get into in the product that awaits measuring. And the filter arranged on the third pipeline can filter the cooling liquid before entering the pump so as to reduce or avoid impurities entering the pump.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: at least one check valve, wherein one check valve sets up on one of the liquid outlet of pump, the self-checking pipeline and the second connecting pipe. Thus, the phenomenon of equipment damage caused by backflow of the cooling liquid can be prevented.

Drawings

The foregoing and other features and advantages of the utility model will become more apparent to those skilled in the art to which the utility model relates upon consideration of the following detailed description of a preferred embodiment of the utility model with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a temperature control unit according to an embodiment of the present invention.

Wherein the reference numbers are as follows:

1-Pump 11 first line 111-first interface end

12-first connecting pipe 13-fourth pipeline 2-temperature regulating equipment

21-second line 211-second interface end 22-third line

23-second connecting pipe 3-self-checking pipeline 4-product to be tested

41-pressure gauge 51-first control valve 52-second control valve

53-third control valve 61-flow sensor 62-pressure sensor

63-temperature sensor 71-water tank 72-filter

73-one-way valve

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by referring to the following examples.

In one embodiment of the present invention, a temperature control unit is provided, and referring to fig. 1, the temperature control unit includes: at least one pump 1, a temperature control device 2, a first connection line 12 and a second connection line 23, a self-test line 3, a route switching valve, and a fluid state detection device. The first pipeline 11 connected with the liquid outlet of at least one pump 1 is provided with a first interface end 111. The second pipeline 21 connected with the liquid inlet of the temperature adjusting device 2 is provided with a second interface end 211, and the liquid outlet of the temperature adjusting device is communicated with the liquid inlet of the pump 1 through a third pipeline 22. One end of the first connection pipe 12 is connected to the first interface end 111 and the other end is used for connecting a first end of the product 4 to be tested, and one end of the second connection pipe 23 is connected to the second interface end 211 and the other end is used for connecting a second end of the product 4 to be tested. The self-checking pipe 3 has one end connected to the first interface end 111 and the other end connected to the second interface end 211. A route switching valve connected between the first interface port 111 and the first connection pipe 12 and the self-test line 3 to selectively conduct the first interface port 111 to the self-test line 3 or the first connection pipe 12. A fluid condition detection device provided on the first line 11 and/or the second line 21.

Therefore, when the temperature regulation and control unit operates, the first interface end 111 is firstly conducted to the self-checking pipeline 3 through the route conversion valve, so that the cooling liquid circularly flows on a cooling liquid route formed among the pump 1, the self-checking pipeline 3 and the temperature regulation equipment 2, and meanwhile, the flow, pressure, temperature and other data of the cooling liquid on the first pipeline 11 and the second pipeline 21 are detected through the fluid state detection device, so that the temperature regulation and control unit can be automatically checked whether to normally operate or not; when the self-checking result is normal, the first interface end 111 is conducted to the first connecting pipe 12 through the route conversion valve, the cooling liquid circularly flows on a cooling liquid route formed among the pump 1, the product 4 to be tested and the temperature adjusting equipment 2, the operation parameters of the temperature adjusting equipment 2 can be adjusted according to the data of the flow, the pressure, the temperature and the like of the cooling liquid on the first pipeline 11 and the second pipeline 21 detected by the fluid state detection device, so as to meet the requirement of the product 4 to be tested on the testing environment temperature, and meanwhile, when the temperature adjusting and controlling unit is detected to operate abnormally, the power supply for controlling the power supply of the product 4 to be tested can be cut off to stop the test, so that the problems of damage of the product 4 to be tested, accidents and the like caused by pipeline blockage in the product testing process are avoided.

Illustratively, one pump 1 can achieve the purpose of driving the flow of the cooling liquid in the embodiment, when two pumps 1 are adopted, one pump 1 is used and the other pump 1 is standby, and when one pump 1 is damaged or overhauled, the other pump 1 can be put into use. The cooling liquid can be water, or a mixture of glycol and water, or other liquid with good heat transfer performance. The product to be tested can be a frequency converter, a motor and the like.

In one embodiment of the temperature control assembly provided in the above embodiment, the temperature control device 2 includes at least one of a cooling tower, a heat pump and an electric heater. So, can come the cooling for the product 4 that awaits measuring through the cooling tower, the heat pump both can be for the product 4 that awaits measuring cooling also can heat up, and electric heater can be used for the product 4 that awaits measuring heating up, can select according to the requirement of the product 4 that awaits measuring to test environment temperature.

For example, the temperature adjustment device 2 shown in fig. 1 is a cooling tower, the cooling tower generally includes a water tank and a spray pump and a fan which are arranged on the water tank, the cooling liquid which carries heat in the second pipeline 21 is sprayed and dissipated into the air through the spray pump and then falls back into the water tank, and meanwhile, the fan is turned on to promote the efficiency of heat exchange between the cooling liquid and the air, so that the purpose of cooling the cooling liquid is achieved. For another example, the temperature adjustment device 2 may also be a heat pump, in which a compressor, a condenser, an evaporator, a throttling device, and the like are generally disposed, a refrigerant in the heat pump is discharged from an exhaust port of the compressor, enters the condenser first to release heat to the outside, then flows into the evaporator after passing through the throttling function of the throttling device, the refrigerant in the evaporator absorbs heat from the outside environment, and then the cooling liquid flows back to an air suction port of the compressor. The temperature of the cooling fluid in the second line 21 may be increased when the cooling fluid is in contact heat exchange with the condenser and may be decreased when the cooling fluid in the second line 21 is in contact heat exchange with the evaporator. And can be set according to specific temperature requirements. As another example, the temperature adjusting device 2 may also be an electric heater, and the temperature of the cooling liquid in the second pipeline 21 may be increased when the cooling liquid is in contact with the electric heater for heat exchange. It should be noted that the temperature adjusting device 2 in the present embodiment is not limited to the type exemplified herein, and any device having a function of raising or lowering temperature may be selected as the temperature adjusting device 2 in an actual scene.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the route switching valve includes: the inlet end of the three-way reversing valve is communicated with the first connector end 111, the first outlet end of the three-way reversing valve is communicated with the first connecting pipe 12, and the second outlet end of the three-way reversing valve is communicated with the self-checking pipeline 3. In this way, the three-way reversing valve can selectively conduct the first interface end 111 to the self-checking pipeline 3 or the first connecting pipe 12 by selectively conducting the inlet end thereof to the first outlet end or the second outlet end thereof.

Further, as shown in fig. 1, the route switching valve may further include a combination of a second control valve 52 and a third control valve 53, the second control valve 52 being provided on the self-test line 3, and the third control valve 53 being provided on the first connection pipe 12. The purpose of selectively conducting the first interface end 111 to the self-test line 3 or the first connecting pipe 12 can be achieved by opening one of the second control valve 52 and the third control valve 53 while closing the other. The second control valve 52 and the third control valve 53 may be valves such as solenoid valves or electric valves, and may preferably be electric ball valves. In addition, a second control valve 52 and a first control valve 51 may be provided on the self-test line 3, and a third control valve 53 and a first control valve 51 may be provided on the first connection pipe 12, so that the first control valve 51 may be closed when the second control valve 52 and the third control valve 53 are repaired, thereby preventing water leakage. The first control valve 51 is preferably a butterfly valve, but may be a gate valve, a stop valve, or the like.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the fluid state detection device includes at least one of the following components: at least one flow sensor 61, wherein one flow sensor 61 is arranged on the first pipeline 11 or the second pipeline 21; at least one pressure sensor 62, wherein one pressure sensor 62 is arranged on the first line 11 or the second line 21; at least one temperature sensor 63, wherein one temperature sensor 63 is arranged on the first line 11 or the second line 21. In this way, whether the relevant pipelines in the temperature regulating and controlling unit are blocked or not can be judged through the data detected by the flow sensor 61 and the pressure sensor 62, and the parameters of the temperature regulating device 2 can be controlled through the temperature sensor 63 to keep the test environment temperature of the product 4 to be tested within the required temperature range. Specifically, after the flow rate, the pressure and the temperature of the cooling liquid are maintained within preset ranges and reach a certain time, it is determined that the temperature regulation unit is qualified, and the temperature regulation unit can be converted into a route for regulating the temperature of the product to be tested through the route conversion valve.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: a console communicatively connected to at least one of the pump 1, the temperature adjusting device 2, the route switching valve, the fluid state detecting means, and the power switch for controlling the power supply of the product 4 to be tested. Therefore, the temperature regulation and control unit can automatically control the pump 1, the temperature regulation and control equipment 2, the route conversion valve and the power switch for controlling the power supply of the product to be tested 4 according to the test commands of starting test, ending test and the like and the flow, pressure and temperature data of the cooling liquid detected by the fluid state detection device through the console, and the intelligent control of the product test process is realized. The communication connection can be wireless connection through Bluetooth, Wi-Fi, ZigBee and the like, and wired connection through a signal line.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: and the temperature detector is in communication connection with the console and is used for directly measuring the temperature of the product 4 to be tested. For example, the temperature detector may be a thermocouple. When the pipeline is blocked, the temperature of the control module of the product to be tested is increased, and at the moment, the thermocouples can be adhered to the power module for measuring the temperature. So, the temperature regulation and control unit can carry out automatic control to the switch of controlling the power supply of 4 products to be tested according to the temperature of 4 products to be tested through the control cabinet, can cut off the switch of controlling the power supply of 4 products to be tested when the product temperature is too high to avoid the emergence of 4 products to be tested damage and accident. It should be noted that the console may be a computer device with a data processing function, and the console may further include a display to display an operation state of the temperature control unit, and the temperature control unit may further include an instruction input device such as a keyboard and a mouse.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: at least one pressure gauge 41, which is connected to the console in a communication manner, and one of the pressure gauges 41 is disposed on the first connection pipe 12 or the second connection pipe 23. So, carry out the in-process that the temperature regulation and control was carried out for the product 4 that awaits measuring at the temperature regulation and control unit, can judge whether the coolant liquid pipeline of the product 4 that awaits measuring is inside to take place to block up through manometer 41 to give the control cabinet with the pressure data transmission of 4 coolant liquid imports of the product 4 that await measuring and export, when the coolant liquid pipeline of the product 4 that awaits measuring takes place to block up, the control cabinet can cut off the switch of the power supply of the product 4 that awaits measuring of control, perhaps control water pump 1 stall.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: at least one first control valve 51, wherein one first control valve 51 is arranged on the first line 11 or the second line 21. In this way, when the temperature control unit is stopped, the first control valve 51 can cut off the flow paths on the first pipeline 11 and the second pipeline 21, and the flow paths are closed during maintenance to prevent water leakage.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: and a water tank 71 provided on the third pipeline 22 or the second pipeline 21, wherein a liquid level detector is provided in the water tank 71. Therefore, the surplus of the cooling liquid can be detected through the liquid level detector, so that the cooling liquid in the temperature regulation unit can be replenished in time after being consumed.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: the fourth pipe 13 has one end connected to the first pipe 11 and the other end connected to the water tank 71, and the fourth pipe 13 is provided with a first control valve 51. Thus, when the pump 1 is a fixed-frequency pump, if the flow rate of the cooling liquid required by the product to be tested 4 is smaller than the flow rate of the pump 1, the excess flow rate discharged by the pump 1 can be returned to the water tank 71 by adjusting the first control valve 51, so as to meet the requirement of the product to be tested on the flow rate of the cooling liquid.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: at least one filter 72, wherein one filter 72 is arranged on the first line 11 or the third line 22. In this way, the filter 72 provided on the first line 11 can filter the cooling liquid before it enters the product 4 to be tested, so as to reduce or avoid the entry of impurities into the product 4 to be tested. And, a filter 72 disposed in the third conduit 22 may filter the coolant before it enters the pump 1 to reduce or prevent impurities from entering the pump 1.

In an implementation manner of the temperature control unit provided in the foregoing embodiment, the temperature control unit further includes: at least one check valve 73, wherein one check valve 73 is provided on one of the liquid outlet of the pump 1, the self-check line 3 and the second connection pipe 23. Thus, the phenomenon of damage to the equipment caused by backflow of the cooling liquid can be prevented, for example, a check valve 73 provided at the outlet of the pump 1 can prevent the cooling liquid from flowing back to the pump 1 to damage the impeller of the pump 1. In addition, a check valve 73 is respectively arranged on the self-checking pipeline 3 and the second connecting pipe 23, so that the cooling liquid in the self-checking pipeline 3 can be prevented from flowing into the second connecting pipe 23 in the self-checking operation process, and the cooling liquid can be prevented from flowing into the self-checking pipeline 3 from the second connecting pipe 23 in the product testing process.

The utility model relates to the technical field of product temperature regulation, in particular to a temperature regulation unit. When the temperature regulation and control unit operates, the first interface end 111 is firstly conducted to the self-checking pipeline 3 through the route conversion valve, so that cooling liquid circularly flows on a cooling liquid route formed among the pump 1, the self-checking pipeline 3 and the temperature regulation and control equipment 2, and meanwhile, whether the temperature regulation and control unit can normally operate is self-checked through detection of data such as cooling liquid flow, pressure, temperature and the like on the first pipeline 11 and the second pipeline 21 through the fluid state detection device. When the self-checking result is normal, the first interface end 111 is conducted to the first connecting pipe 12 through the route switching valve, so that the problems that the product 4 to be tested is damaged and accidents occur due to pipeline blockage in the product testing process are avoided.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A temperature regulation and control unit is characterized by comprising:

the pump comprises at least one pump (1), wherein a first interface end (111) is arranged on a first pipeline (11) connected with a liquid outlet of the pump;

a second interface end (211) is arranged on a second pipeline (21) connected with a liquid inlet of the temperature adjusting equipment (2), and a liquid outlet of the temperature adjusting equipment is communicated with a liquid inlet of the pump (1) through a third pipeline (22);

the test device comprises a first connecting pipe (12) and a second connecting pipe (23), wherein one end of the first connecting pipe (12) is connected with the first interface end (111), the other end of the first connecting pipe is used for connecting a first end of a to-be-tested product (4), one end of the second connecting pipe (23) is connected with the second interface end (211), and the other end of the second connecting pipe is used for connecting a second end of the to-be-tested product (4);

a self-checking pipe (3) having one end connected to the first interface end (111) and the other end connected to the second interface end (211);

a route switching valve connected between the first interface end (111) and the first connection pipe (12) and the self-test line (3) to selectively conduct the first interface end (111) to the self-test line (3) or the first connection pipe (12);

a fluid condition detection device provided on the first line (11) and/or the second line (21).

2. The temperature conditioning unit of claim 1, further comprising:

a console communicatively connected with at least one of the pump (1), the tempering device (2), the route switching valve, the fluid status detection means and a power switch for controlling the power supply of the product to be tested (4).

3. The temperature conditioning unit of claim 2, further comprising:

and the temperature detector is in communication connection with the console and is used for directly measuring the temperature of the product to be tested (4).

4. The temperature conditioning unit of claim 2, further comprising:

at least one pressure gauge (41) in communication with the console, and wherein one of the pressure gauges (41) is disposed on the first connection tube (12) or the second connection tube (23).

5. The temperature conditioning unit of claim 1, further comprising:

at least one first control valve (51), wherein one of the first control valves (51) is arranged on the first line (11) or the second line (21).

6. Temperature conditioning assembly according to claim 1, wherein the tempering device (2) comprises at least one of a cooling tower, a heat pump and an electric heater.

7. The temperature conditioning assembly of claim 1, wherein the route switching valve comprises:

the inlet end of the three-way reversing valve is communicated with the first connector end (111), the first outlet end of the three-way reversing valve is communicated with the first connecting pipe (12), and the second outlet end of the three-way reversing valve is communicated with the self-checking pipeline (3); or,

a combination of a second control valve (52) and a third control valve (53), the second control valve (52) being arranged on the self-test line (3), and the third control valve (53) being arranged on the first connecting pipe (12).

8. The temperature conditioning assembly of claim 1, wherein the fluid condition detection device comprises at least one of:

at least one flow sensor (61), wherein one of the flow sensors (61) is arranged on the first line (11) or the second line (21);

at least one pressure sensor (62), wherein one of the pressure sensors (62) is arranged on the first line (11) or the second line (21);

at least one temperature sensor (63), wherein one of the temperature sensors (63) is arranged on the first line (11) or the second line (21).

9. The temperature conditioning unit of claim 1, further comprising:

a water tank (71) arranged on the third line (22) or the second line (21);

and one end of the fourth pipeline (13) is connected to the first pipeline (11), the other end of the fourth pipeline is connected to the water tank (71), and a first control valve (51) is arranged on the fourth pipeline (13).

10. The temperature conditioning unit of claim 1, further comprising:

at least one filter (72), wherein one filter (72) is arranged on the first line (11) or the third line (22); or,

at least one-way valve (73), wherein one-way valve (73) is arranged on one of the liquid outlet of the pump (1), the self-checking pipeline (3) and the second connecting pipe (23).