Air tightness detection tool for inlet and outlet pipelines of high-voltage battery cooler

Abstract

The utility model discloses an air tightness detection tool for inlet and outlet pipelines of a high-voltage battery cooler, and belongs to the technical field of battery coolers. The air tightness detection tool for the inlet and outlet pipeline of the high-voltage battery cooler comprises a device shell, an air pump is installed at the upper end of the device shell, an air pressure sensor is installed in the device shell, and two extrusion sealing semi-rings are installed in each of two clamping frames. The air tightness detection device solves the problems that an existing air tightness detection structure is single in structure, pipelines at different positions are inconvenient to adjust, and continuous detection work is affected, the positioning nut is screwed to drive the threaded rod to rotate, and the threaded sleeve pushes the extrusion sealing semi-rings, so that the two extrusion sealing semi-rings clamp an inlet pipe and an outlet pipe, and the detection efficiency is improved. And the inlets and outlets in the two sides of the device shell are closed, so that airtightness detection work is facilitated, continuous detection work is facilitated, long-term use is facilitated, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cooler production, in particular to an air tightness detection tool for inlet and outlet pipelines of a high-voltage battery cooler. Background Art

[0002] The high-voltage battery cooler is a type of heat exchanger that combines the functions of an evaporator and a heat exchanger. It is a key component that couples the battery liquid cooling circuit and the cabin air conditioning circuit, and is also one of the incremental components of the thermal management system of new energy vehicles using a liquid cooling solution. The inlet and outlet pipes of the high-voltage battery cooler need to be tested for sealing before processing.

[0003] The Chinese patent with the announcement number CN212482838U discloses a gas tightness detection structure for waste oil pipelines, including a detection tube; a thread groove is provided at the top of the detection tube, a pressure sensor is rotatably installed in the thread groove, and an external thread is provided at the bottom of the pressure sensor; the external thread is rotatably fixed in the thread groove, and the pressure sensor is rotatably installed in the detection tube through the external thread. This patent can realize the connection between the detection tube and the oil pipe through the thread in the connector. At this time, the pressure in the pipeline can be detected by the pressure sensor, thereby completing the gas tightness detection. The device structure is simple and the installation method is simple and convenient.

[0004] The airtightness detection structure of the above-mentioned patent has a single structure in actual use, which is inconvenient to adjust for pipelines in different positions, affecting continuous detection work; therefore, it does not meet existing needs. In this regard, we propose an airtightness detection tool for the inlet and outlet pipelines of a high-voltage battery cooler. Utility Model Content

[0005] The purpose of the utility model is to provide an airtightness detection tool for the inlet and outlet pipes of a high-voltage battery cooler, which solves the problem that the airtightness detection structure proposed in the above background technology has a single structure during actual use, is inconvenient to adjust the pipes at different positions, and affects the continuous detection work.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air tightness detection tool for the inlet and outlet pipes of a high-voltage battery cooler, comprising a device shell, an air pump is installed at the upper end of the device shell, and an air pressure sensor is installed inside the device shell, and clamping frames are installed on both sides of the device shell, and two extrusion sealing half rings are installed inside the two clamping frames, and inlet and outlet pipes are penetrated inside the clamping frames, and the inlet and outlet pipes are sealed and connected to the device shell through extrusion sealing half rings.

[0007] Preferably, a digital display screen is provided on the upper end surface of the device housing, and the digital display screen is electrically connected to the air pressure sensor.

[0008] Preferably, a pressure box is installed on the outside of the device shell, a pressure cushion layer is arranged inside the pressure box, a connecting frame is welded to the outside of the device shell, and a supporting foot is installed at the lower end of the device shell.

[0009] Preferably, a one-way valve is installed at the lower end of the air pump, and the lower end of the one-way valve extends to the interior of the device housing and is sealedly connected to the device housing.

[0010] Preferably, both ends of the clamping frame are provided with an integrally formed connecting block, a positioning nut is installed on the outside of the connecting block, a threaded rod is passed through the inside of the positioning nut, the threaded rod passes through the connecting block and extends to the inside of the clamping frame and is slidably connected to the clamping frame, a threaded sleeve is installed at one end of the threaded rod, and the threaded rod extends to the inside of the threaded sleeve and is threadedly connected to the threaded sleeve, and the threaded sleeve is fixedly connected to the extrusion sealing half ring.

[0011] Preferably, a silicone pad is installed inside the extrusion sealing half ring, an integrally formed clamping port is provided between the two extrusion sealing half rings, a positioning sleeve is installed at the front end of the clamping port, the inlet and outlet pipes pass through the clamping port and are slidably connected with the positioning sleeve, and a pressure spring is installed outside the extrusion sealing half ring, and both ends of the pressure spring are respectively fixedly connected to the extrusion sealing half ring and the clamping frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. During use of the utility model, the inlet and outlet pipes of the high-pressure cooler are passed through the clamping port into the interior of the device housing, and the threaded rod is driven to rotate by tightening the positioning nut, so that the threaded sleeve moves, and the threaded sleeve pushes the extrusion sealing half ring, so that the two extrusion sealing half rings clamp the inlet and outlet pipes, so that the inlet and outlet on both sides of the device housing are closed, thereby facilitating the airtightness detection work, and the structure is simple, which is convenient for adjustment work, so as to carry out continuous detection work, which is conducive to long-term use and improves work efficiency.

[0014] 2. During use, the utility model starts the air pump to inflate the inside of the device shell, and the air pressure sensor inside the device shell detects the air pressure. Affected by the air pressure, the pressure pad inside the pressure box is squeezed, and the one-way valve is used to keep the air pressure inside the device shell stable, thereby improving the detection effect of the air pressure sensor and improving the working accuracy of the air pressure detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axonometric view of the front view of the utility model;

[0016] Figure 2 It is the internal structure diagram of the utility model;

[0017] Figure 3 It is an axonometric view of the side view of the utility model;

[0018] Figure 4 This is the internal structure diagram of the clamping frame of the utility model.

[0019] In the figure: 1. Device housing; 101. Digital display screen; 102. Connecting frame; 103. Pressure box; 104. Support foot; 105. Air pressure sensor; 2. Air pump; 201. One-way valve; 3. Clamping frame; 301. Positioning sleeve; 302. Connecting block; 303. Positioning nut; 304. Threaded rod; 305. Threaded sleeve; 306. Extrusion sealing half ring; 307. Silicone pad; 308. Clamping mouth; 309. Pressure spring; 4. Inlet and outlet pipes. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to solve the problem that the existing air tightness detection structure has a single structure in actual use, it is inconvenient to adjust the pipelines in different positions, which affects the continuous detection work, please refer to Figure 1 - Figure 4 , this embodiment provides the following technical solutions:

[0022] A gas tightness detection tool for the inlet and outlet pipes of a high-voltage battery cooler includes a device shell 1, an air pump 2 is installed at the upper end of the device shell 1, and an air pressure sensor 105 is installed inside the device shell 1, and clamping frames 3 are installed on both sides of the device shell 1, and two extrusion sealing half rings 306 are installed inside the two clamping frames 3, and inlet and outlet pipes 4 are penetrated inside the clamping frames 3, and the inlet and outlet pipes 4 are sealed and connected to the device shell 1 through the extrusion sealing half rings 306, so as to quickly close the inlets and outlets on both sides of the device shell 1, thereby facilitating the gas tightness detection work, and the structure is simple, and the adjustment work is convenient, so as to carry out continuous detection work, which is conducive to long-term use and improves work efficiency.

[0023] Both ends of the clamping frame 3 are provided with an integrally formed connecting block 302, a positioning nut 303 is installed on the outside of the connecting block 302, a threaded rod 304 is penetrated inside the positioning nut 303, the threaded rod 304 penetrates the connecting block 302 and extends to the inside of the clamping frame 3 and is slidably connected to the clamping frame 3, a threaded sleeve 305 is installed at one end of the threaded rod 304, and the threaded rod 304 extends to the inside of the threaded sleeve 305 and is threadedly connected to the threaded sleeve 305, the threaded sleeve 305 is fixedly connected to the extrusion sealing half ring 306, a silicone pad 307 is installed inside the extrusion sealing half ring 306, and an integrally formed clamping port 306 is provided between the two extrusion sealing half rings 306. 08. A positioning sleeve 301 is installed at the front end of the clamping port 308. During use, the inlet and outlet pipes 4 of the high-pressure cooler are passed through the clamping port 308 into the interior of the device shell 1, and the threaded rod 304 is driven to rotate by tightening the positioning nut 303, so that the threaded sleeve 305 moves, and the threaded sleeve 305 pushes the extrusion sealing half ring 306, so that the two extrusion sealing half rings 306 clamp the inlet and outlet pipes 4. The inlet and outlet pipes 4 pass through the clamping port 308 and are slidably connected with the positioning sleeve 301. A pressure spring 309 is installed on the outside of the extrusion sealing half ring 306, and the two ends of the pressure spring 309 are fixedly connected to the extrusion sealing half ring 306 and the clamping frame 3 respectively.

[0024] Specifically, during use, the inlet and outlet pipes 4 of the high-pressure cooler are passed through the clamping port 308 into the interior of the device shell 1, and the threaded rod 304 is driven to rotate by tightening the positioning nut 303, so that the threaded sleeve 305 moves, and the threaded sleeve 305 pushes the extrusion sealing half ring 306, so that the two extrusion sealing half rings 306 clamp the inlet and outlet pipes 4, so that the inlet and outlet on both sides of the device shell 1 are closed, thereby facilitating the airtightness detection work, and the structure is simple, which is convenient for adjustment, so as to carry out continuous detection work, which is conducive to long-term use and improves work efficiency.

[0025] In order to solve the problem that the airtightness detection structure in the prior art is single in structure, the airtightness detection effect is poor, and the work efficiency is affected during actual use, please refer to Figure 1 - Figure 4 , this embodiment provides the following technical solutions:

[0026] A digital display screen 101 is provided on the upper end surface of the device housing 1, and the digital display screen 101 is electrically connected to the air pressure sensor 105. The air pressure is displayed on the digital display screen 101, and a buzzer is provided. The digital display screen 101 and the air pressure sensor 105 are connected through a PLC to alarm the detection result of insufficient air pressure.

[0027] A pressure box 103 is installed on the outside of the device shell 1, and a pressure cushion layer is arranged inside the pressure box 103. A connecting frame 102 is welded to the outside of the device shell 1, and a supporting foot 104 is installed at the lower end of the device shell 1. A one-way valve 201 is installed at the lower end of the air pump 2. The lower end of the one-way valve 201 extends to the inside of the device shell 1 and is sealed with the device shell 1. By starting the air pump 2, the air pump 2 inflates the inside of the device shell 1, and the air pressure sensor 105 inside the device shell 1 detects the air pressure. Affected by the air pressure, the pressure cushion inside the pressure box 103 is squeezed, and the one-way valve 201 cooperates to keep the air pressure inside the device shell 1 stable, thereby improving the detection effect of the air pressure sensor 105 and improving the working accuracy of the air pressure detection.

[0028] Specifically, during use, by starting the air pump 2, the air pump 2 inflates the interior of the device shell 1, and the air pressure sensor 105 inside the device shell 1 detects the air pressure. Affected by the air pressure, the pressure pad inside the pressure box 103 is squeezed, and the one-way valve 201 cooperates to keep the air pressure inside the device shell 1 stable, thereby improving the detection effect of the air pressure sensor 105 and improving the working accuracy of the air pressure detection.

[0029] Working principle: The inlet and outlet pipes 4 of the high-pressure cooler are passed through the clamping port 308 into the device housing 1, and the threaded rod 304 is driven to rotate by tightening the positioning nut 303, so that the threaded sleeve 305 moves, and the threaded sleeve 305 pushes the extrusion sealing half ring 306, so that the two extrusion sealing half rings 306 clamp the inlet and outlet pipes 4, so that the inlet and outlet on both sides of the device housing 1 are closed, so as to facilitate the air tightness detection work, and the structure is simple, and the adjustment work is convenient for continuous detection work, which is conducive to long-term use and improves work efficiency. Start the air pump 2, which inflates the interior of the device shell 1. The air pressure sensor 105 inside the device shell 1 detects the air pressure. Affected by the air pressure, the pressure pad inside the pressure box 103 is squeezed, and the one-way valve 201 is used to keep the air pressure inside the device shell 1 stable, thereby improving the detection effect of the air pressure sensor 105 and improving the working accuracy of the air pressure detection. The air pressure is displayed on the digital display 101, and a buzzer is set. The digital display 101 and the air pressure sensor 105 are connected through the PLC to alarm the detection result of insufficient air pressure.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas tightness detection tool for an inlet and outlet pipe of a high-voltage battery cooler, comprising a device housing (1), characterized in that: An air pump (2) is installed at the upper end of the device housing (1), and an air pressure sensor (105) is installed inside the device housing (1). Clamping frames (3) are installed on both sides of the device housing (1), and two extrusion sealing half rings (306) are installed inside the two clamping frames (3). Inlet and outlet pipes (4) pass through the interior of the clamping frames (3), and the inlet and outlet pipes (4) are sealed and connected to the device housing (1) through the extrusion sealing half rings (306).

2. The air tightness detection tool for the inlet and outlet pipes of a high-voltage battery cooler according to claim 1 is characterized in that: The upper end surface of the device housing (1) is provided with a digital display screen (101), and the digital display screen (101) is electrically connected to the air pressure sensor (105).

3. The air tightness detection tool for the inlet and outlet pipes of a high-voltage battery cooler according to claim 1 is characterized in that: A pressure box (103) is installed outside the device shell (1), a pressure cushion layer is arranged inside the pressure box (103), a connecting frame (102) is welded to the outside of the device shell (1), and a supporting foot (104) is installed at the lower end of the device shell (1).

4. The air tightness detection tool for the inlet and outlet pipes of a high-voltage battery cooler according to claim 1 is characterized in that: A one-way valve (201) is installed at the lower end of the air pump (2), and the lower end of the one-way valve (201) extends to the interior of the device housing (1) and is sealedly connected to the device housing (1).

5. The air tightness detection tool for the inlet and outlet pipes of a high-voltage battery cooler according to claim 1 is characterized in that: Both ends of the clamping frame (3) are provided with an integrally formed connecting block (302), a positioning nut (303) is installed on the outside of the connecting block (302), a threaded rod (304) is passed through the inside of the positioning nut (303), the threaded rod (304) passes through the connecting block (302) and extends to the inside of the clamping frame (3) and is slidably connected to the clamping frame (3), a threaded sleeve (305) is installed at one end of the threaded rod (304), and the threaded rod (304) extends to the inside of the threaded sleeve (305) and is threadedly connected to the threaded sleeve (305), and the threaded sleeve (305) is fixedly connected to the extrusion sealing half ring (306).

6. The air tightness detection tool for the inlet and outlet pipes of a high-voltage battery cooler according to claim 1 is characterized in that: A silicone pad (307) is installed inside the extrusion sealing half ring (306), an integrally formed clamping port (308) is provided between the two extrusion sealing half rings (306), a positioning sleeve (301) is installed at the front end of the clamping port (308), the inlet and outlet pipe (4) passes through the clamping port (308) and is slidably connected to the positioning sleeve (301), and a pressure spring (309) is installed outside the extrusion sealing half ring (306), and the two ends of the pressure spring (309) are respectively fixedly connected to the extrusion sealing half ring (306) and the clamping frame (3).

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