CN206695954U - Detection means and system - Google Patents

Abstract

The utility model provides a cooling waterway sealing performance detection device and system, comprising a water pump, a water tank and a detection assembly connected to each other, the detection assembly includes an inlet and an outlet connected to each other, the inlet is connected to the water pump, the The outlet is in communication with the water tank. The detection assembly includes at least two connected detection stations, and the at least two detection stations are sequentially connected in series between the inlet and the outlet, so as to detect the tightness of the cooling water channel in each of the detection stations. The utility model can simultaneously detect the sealing performance of multiple cooling water channels, which greatly improves the detection efficiency.

Description

Detection device and system

technical field

The utility model relates to the technical field of detection, in particular to a cooling water channel sealing performance detection device and system.

Background technique

The on-board charger and intelligent high-voltage management system are installed in the electric vehicle to control the electric vehicle to be fully charged safely and automatically. During use, the on-board charger and the intelligent high-voltage management system tend to generate a lot of heat, so the cavity of the on-board charger and the intelligent high-voltage management system is equipped with a cooling water channel, and the heat generated by the components is taken away by the circulation of the coolant to maintain Components are maintained within normal service temperature. As we all know, the leakage of coolant will have serious consequences on the function and safety of the on-board charger and intelligent high-voltage management system. Therefore, it is very important to detect the tightness of the motor cooling water channel. In the prior art, the water pressure method is commonly used to test the tightness of the cooling water channel, but it is all carried out for the water channel of a single product. In the industrial production process, such a detection method will cause the problem of low efficiency.

For this reason, how to realize the efficient leak detection of the cooling water channel is the focus of continuous research in the industry.

Utility model content

The purpose of the utility model is to provide a cooling water channel detection system, which solves the problem of low detection efficiency of the cooling water channel sealing performance in the prior art.

In order to solve the problems in the background technology, the utility model provides a detection device, which includes a water pump and a water tank that are connected to each other. an inlet and an outlet, the inlet is connected with the water pump, and the outlet is connected with the water tank, so that the cooling liquid is pressed into the detection assembly under the driving force of the water pump and flows through the The water pump is recirculated into the water tank; the detection assembly includes at least two connected detection stations, and the at least two detection stations are sequentially connected in series between the inlet and the outlet to detect the The tightness of the cooling water channel in the above test station.

In one embodiment, the detection component includes a first detection station and a second detection station connected to each other, the first detection station communicates with the inlet and the second detection station to form two ports, The second detection station is connected with the outlet and the first detection station to form two ports, and the two ends of the cooling channel are respectively connected to the two ports of the detection station to detect the The tightness of the cooling water channel.

In one embodiment, the first detection station and the second detection station include N detection stations connected to each other, where N is greater than or equal to 1, and the first detection station is connected to the first detection station and the second detection station. The second detection station is connected to form two ports, the second detection station is connected to the first detection station and the third detection station to form two ports, and so on , the Nth detection station is respectively connected with the N-1th detection station and the second detection station to form two ports, and the two ends of the cooling water channel are respectively connected to the detection station. Two ports are used to detect the sealing of the cooling water passage. A water pressure regulating valve is included between the water tank and the detection assembly to adjust the hydraulic pressure in the cooling water passage.

Wherein, the water pump is provided with a pressure gauge to measure the hydraulic pressure in the cooling water channel.

Wherein, during detection, the hydraulic pressure in the cooling water channel is 0.2-0.23 MPa.

Wherein, the cooling liquid is freezing liquid.

Wherein, the detection device further includes a pipeline, and the pipeline is connected between the water pump, the water tank and the detection component.

Wherein, the pipeline is detachably connected to the port between the detection stations.

The utility model also provides a detection system, including a cooling water channel and the detection device described in any one of the above, the cooling water channel includes a first end and a second end connected to each other, the first end and the second end The two ends are respectively connected to the two ports of the testing station for testing the sealing of the cooling water channel.

The cooling water channel leak detection device and system provided by the utility model include interconnected water pumps, water tanks and detection components. In the detection components, a plurality of connected detection stations are set, and the connected detection stations are also connected to the water pump and the water tank. connected and formed a circulation loop, in the circulation loop, each detection station forms two ports, and the two ends of the cooling water channel are respectively connected to the two ports of the detection station, and the cooling water channel can be detected tightness. In the embodiment of the present application, by setting up multiple connected detection stations, the sealing performance of multiple cooling water channels can be tested at one time, which greatly improves the detection efficiency and makes up for the lack of low detection efficiency of a single cooling water channel in the prior art; at the same time, through The water pressure regulating valve controls the hydraulic pressure in the cooling water channel, so that the cooling water channel reaches the sealing index of practical application.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is a schematic structural diagram of the detection device provided by the first embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the detection device provided by the second embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the detection system provided by the first embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the detection system provided by the second embodiment of the present invention.

detailed description

The following will clearly and completely describe the technical solutions of the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

Please refer to FIG. 1 , which is a schematic structural diagram of a detection device provided by an embodiment of the present invention. The detection device includes a water pump 1, a water tank 2, a detection component 3 and a pipeline 4, and is used for hydraulically detecting the tightness of the cooling water channel. The water pump 1 and the water tank 2 communicate with each other, the water tank 2 is used to hold the coolant, the detection assembly 3 includes an outlet 31 and an inlet 32 that communicate with each other, the outlet 31 communicates with the water tank 2, the The inlet 32 communicates with the water pump 1 . In one embodiment, the detection assembly 3, the water pump 1 and the water tank 2 can be connected to the water inlet and outlet of the detection assembly 3, the water pump 1 and the water tank 2 by using a pipeline 4, and the hose clamp is fixed on the nozzle of the pipeline 4 and the inlet and outlet of each component. Between the water ports, at this time, the pipeline 4 leads between the detection assembly 3, the water pump 1 and the water tank 2, so that the detection assembly 3, the water pump 1 and the water tank 2 form a circulation loop. Specifically, the circulation circuit is: the coolant in the water tank 2 is squeezed out of the water tank 2 under the driving force of the water pump 1, and enters the detection assembly 3 through the pipe 4 from the outlet 31, so The detection assembly 3 is provided with a cooling water channel, and the coolant flows out of the detection assembly 3 through the inlet 32 after passing through the cooling water channel, and enters the water pump 1 through the pipeline 4, and under the driving force of the water pump 1 Recirculated into the water tank 2.

Please refer to FIG. 1 and FIG. 2, the detection assembly 3 includes at least two connected detection stations 33, 34, and the at least two detection stations 33, 34 are sequentially connected in series between the outlet 31 and the inlet 32 between. The detection station 33 communicates with the exit 31 and the adjacent detection station 34, or the detection station 34 communicates with the inlet 32 and the adjacent detection station 33, or The detection station 35 communicates with two adjacent detection stations 33, 34, so that each of the detection stations 33, 34, 35 forms two ports, and the ports of the detection station 33 331, 332, the ports of the detection station 34 are 341, 342, the ports of the detection station 35 are 351, 352, and the two ends of the cooling water channel are respectively connected to the two ports of the detection station , to detect the tightness of the cooling water channel.

Please refer to FIG. 3 , the utility model also provides a detection system, including a cooling water channel 5 and the detection device described in any one of the above-mentioned embodiments, and the cooling water channel 5 includes a first end 51 and a second end connected to each other. 52. The first end 51 and the second end 52 are connected to two ports of the inspection station respectively, so as to inspect the tightness of the cooling water channel.

The cooling water channel airtightness detection device provided by the utility model, by setting a plurality of connected detection stations in the detection component 3, is convenient for multiple cooling water channels to be installed on multiple detection stations at the same time, and can test multiple cooling water channels at one time. The tightness detection is carried out, which greatly improves the efficiency of the tightness detection of the cooling water channel.

Please refer to FIG. 3 , in the first embodiment, the detection assembly 3 includes a first detection station 34 and a second detection station 33 connected to each other, and the first detection station 34 is connected to the inlet 32 and the second detection station. The detection station 33 is connected to form two passages 341 , 342 , and the second detection station 33 is connected to the outlet 31 and the first detection station 34 to form two passages 331 , 332 . Take two cooling channels 501, 502, connect the first ends 511, 512 of the two cooling channels 501, 502 to the ports 331 and 341 respectively, and connect the second ends 521, 522 of the two cooling channels 501, 502 respectively at ports 332 and 342. Turn on the water pump 1 to perform a leak test on the two cooling channels 501 and 502 at the same time.

In the second embodiment, the first detection station 34 communicates with the inlet 32 and the second detection station 33 to form two ports 341, 342, N is greater than or equal to 1, and the first detection station 34 communicates with the inlet 32 and the second detection station 33 to form two ports 341, 342, the first detection station is connected with the first detection station 34 and the second detection station Through to form two ports, the second said detection station is connected with the first said detection station and the third said detection station to form two ports, and so on, the Nth said detection station It is respectively connected with the N-1th detection station and the second detection station 33 to form two ports, and the first detection station 34 and the second detection station 33 include a connected N a testing station.

Please refer to FIG. 4, when N is 1, a detection station 35 connected between the second detection station 33 and the first detection station 34 is included, and the detection station 35 is connected to the second detection station 33 and the first detection station 34. The first detection station 34 is connected to form two ports 351, 352, three cooling channels 501, 502, 503 are taken, and the first ends 511, 512, 513 of the three cooling channels 501, 502, 503 are respectively The second ends 521 , 522 , 523 of the three cooling channels 501 , 502 , 503 are connected to the ports 332 , 342 , and 352 respectively. Turn on the water pump 1 to perform a leak test on the three cooling channels 501 , 502 , and 503 at the same time. By analogy, the detection device and system provided in this embodiment can perform a tightness test on N cooling water channels 5 at the same time.

In practical applications, the number of detection stations in the detection device can be set according to actual needs.

In one embodiment, the pipeline 4 is detachably connected to the port between the detection stations, so that the detection device can be equipped with different numbers of detection stations.

Please refer to FIG. 3 , a water pressure regulating valve 6 is included between the water tank 2 and the detection assembly 3 to regulate the hydraulic pressure in the cooling water channel 5 . The water pump 1 is provided with a pressure gauge 11 to measure the hydraulic pressure in the cooling channel 5 . A flow meter 7 may be provided between the water pressure regulating valve 6 and the detection assembly 3 to determine whether the flow rate in the cooling water channel 5 is up to standard, whether the cooling liquid is completely filled in the cooling water channel 5, and avoid The cooling water channel 5 is not completely filled with the cooling liquid, so some areas of the cooling water channel 5 cannot be detected, and the detection result is inaccurate. During detection, adjust the water pressure regulating valve 6 so that the pressure gauge 11 shows 0.2-0.23 MPa, that is, the hydraulic pressure in the cooling water channel 5 is 0.2-0.23 MPa, so that the cooling liquid reaches a higher hydraulic pressure, The cooling water channel 5 is tested with high-pressure coolant to detect whether the cooling water channel 5 meets a higher level of protection standard.

The cooling liquid can be water or freezing liquid or other cooling liquids. Compared with water, the refrigerant has the functions of antifreezing, anti-corrosion and anti-scaling protection for the components of the cooling system, and can ensure that the engine works within the normal temperature range, so the refrigerant is more widely used in the cooling system of the engine . Preferably, in this embodiment, refrigerated liquid is used as the cooling liquid to test the cooling channel, so that the test environment is closer to the actual use condition, ensuring more accurate test results.

Please refer to Fig. 3, during detection, the pipeline 4 is fixedly connected to the water inlet and outlet of the water pump 1, the water tank 2, and the detection assembly 3, and the mouth of the detection station 33 is fixedly connected to the outlet 31 or the adjacent detection station 34 using the pipeline 4 or the inlet 32, respectively fix the two ends of the cooling water channel 5 to the two ports of the detection station 33, 34, so that the water pump 1, the water tank 2 and the cooling water channel 5 form a conductive circulation loop . Fill the water tank 2 with refrigerant, turn on the switch of the water pump 1, the refrigerant in the water tank 2 is driven by the water pump 1, and flows through the inlet 32 and the port 341 of the first detection station 34 along the pipeline 4 into the first Cooling water channel 501, then pass through another port 342 of the first detection station 34, the pipeline 4, the port 331 of the second detection station 33 along the first cooling water channel 501, flow into the second cooling water channel 502, and then along the The second cooling channel 502 flows into the water pump 1 through another port 332 of the second detection station 33 , the outlet 31 , and the pipeline 4 in turn, and returns to the water tank 2 driven by the water pump 1 . Adjust the water pressure regulating valve 6 to make the flow meter 7 display the flow rate reaching the standard value, and continue to adjust the water pressure regulating valve 6 until the pressure gauge shows 0.2-0.23MPa. Observe whether there is refrigerant overflow around the cooling water channel 5. If there is no refrigerant overflow around the cooling water channel 5, it means that the cooling water channel 5 is qualified; if there is refrigerant overflow around the cooling water channel 5, it means that the cooling water channel 5 is unqualified.

In summary, although the present utility model has been disclosed as above with a preferred embodiment, the preferred embodiment is not intended to limit the present utility model, and those of ordinary skill in the art will not depart from the spirit and scope of the present utility model , all can make various changes and retouching, so the scope of protection of the present utility model is defined by the claims as the criterion.

The above is a preferred embodiment of the present utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, some improvements and modifications can also be made, these improvements and modifications It is also regarded as the protection scope of the present utility model.

Claims (10)

1. A detection device, comprising a water pump and a water tank that communicate with each other, the water tank is used to hold the cooling liquid, and it is characterized in that it also includes a detection assembly, and the detection assembly includes an inlet and an outlet that communicate with each other, and the inlet and the outlet are connected to each other. The water pump is connected, and the outlet is connected with the water tank, so that the cooling liquid is pressed into the detection assembly under the driving force of the water pump, flows through the water pump, and recirculates to the In the water tank; the detection assembly includes at least two connected detection stations, and the at least two detection stations are sequentially connected in series between the inlet and the outlet, so as to detect the sealing of the cooling water channel in each of the detection stations sex. 2. The detection device according to claim 1, wherein the detection assembly comprises a first detection station and a second detection station connected to each other, and the first detection station is connected to the inlet and the second detection station. Stations are connected to form two ports, the second detection station is connected to the outlet and the first detection station to form two ports, and the two ends of the cooling water channel are respectively connected to the detection station The two ports to test the tightness of the cooling water channel. 3. The detection device according to claim 2, characterized in that, there are N detection stations connected between the first detection station and the second detection station, N is greater than or equal to 1, and the first one is The detection station is connected with the first detection station and the second detection station to form two ports, and the second detection station is connected with the first detection station and the third detection station To form two ports, and so on, the Nth detection station is connected with the N-1th detection station and the second detection station respectively to form two ports, and the cooling water channel The two ends are respectively connected to the two ports of the detection station to detect the tightness of the cooling water channel. 4. The detection device according to claim 3, characterized in that a water pressure regulating valve is included between the water tank and the detection assembly to adjust the hydraulic pressure in the cooling water channel. 5. The detection device according to claim 4, characterized in that a pressure gauge is provided on the water pump to measure the hydraulic pressure in the cooling water channel. 6. The detection device according to claim 5, characterized in that, during detection, the hydraulic pressure in the cooling water channel is 0.2-0.23 MPa. 7. The detection device according to claim 6, characterized in that the cooling liquid is freezing liquid. 8. The detection device according to claim 7, further comprising a pipeline connected between the water pump, the water tank and the detection component. 9. The detection device according to claim 8, wherein the pipeline is detachably connected to the port between the detection stations. 10. A detection system, characterized in that it includes a cooling water channel and the detection device according to any one of claims 1 to 9, the cooling water channel includes a first end and a second end connected to each other, the first The second end and the second end are respectively connected to two ports of the inspection station, so as to inspect the tightness of the cooling water channel.