Charging pile reliability testing device

Abstract

A charging pile reliability testing device disclosed by the present invention comprises a chassis, a box body installed in the middle position of the chassis and a driving assembly arranged on one side of the box body, a collision testing assembly is arranged on one side of the driving assembly, a condensation assembly is arranged on the outer side of the box body, a spraying assembly is arranged on one side of the condensation assembly, and the spraying assembly is arranged on the other side of the box body. The washing device is used for simulating the raining environment of the charging pile and washing the outer wall of the charging pile; under the cooperation effect of an electric heating pipe A and an electric heating pipe B, internal energy is converted into mechanical energy of a driving shaft, meanwhile, high-temperature and high-pressure steam is guided into a flow guide pipe A, a heat conduction pipe heats the interior of a box body, a cam drives an ejector rod to move in a reciprocating mode, a collision test is conducted on a charging pile in the box body, and steam is condensed under the cooling effect of a heat dissipation part; and meanwhile, the charging pile is washed, so that the charging pile reliability testing device can detect the charging stability of the charging pile in the high temperature, rain and collision processes at the same time.

Description

Technical Field

[0001] The present invention relates to the technical field of charging pile reliability testing, and in particular to a charging pile reliability testing device. Background Art

[0002] In recent years, with the rapid growth of the number of electric vehicles, the need to strengthen the testing and management of the entire life cycle of charging facilities has become increasingly prominent. However, there is currently a lack of professional testing equipment for on-site testing of charging facilities. The function of a charging pile is similar to that of a gas pump in a gas station. It can be fixed on the ground or on the wall and installed in public buildings (public buildings, shopping malls, public parking lots, etc.) and residential parking lots or charging stations. It can charge various types of electric vehicles according to different voltage levels. The input end of the charging pile is directly connected to the AC power grid, and the output end is equipped with a charging plug for charging electric vehicles. Charging piles generally provide two charging methods: conventional charging and fast charging.

[0003] In daily use of charging piles, users usually charge their electric vehicles with a handheld charging gun. In order to ensure the safety and stability of the charging piles, the charging piles need to be regularly tested for reliability.

[0004] After searching, the Chinese invention patent with authorization announcement number: CN113267705B discloses a simple test device for electric vehicle AC charging pile, including a box body and a computer. The upper end of the box body is fixedly connected to a protective frame, and a placement plate is movably provided inside and below the protective frame. The computer is arranged on the placement plate. The protective frame is connected to a lifting mechanism and is connected to the placement plate through the lifting mechanism. The left upper edge of the protective frame is rotatably connected to a frame cover through a hinge. The frame cover is connected to a locking mechanism and is connected to the protective frame through the locking mechanism. A test assembly is fixed inside the box body. The simple test device for electric vehicle AC charging pile can test the heat loss caused by temperature, ensure that the heat loss of the charging pile put into use is kept within a certain range, reduce energy waste, and at the same time, suitable plugs can be replaced according to different charging pile interfaces to improve the scope of application.

[0005] Compared with the prior art, there are problems as follows: some existing electric vehicle charging pile detection devices cannot simultaneously detect the charging stability of the charging piles under high temperature, rain and collision when detecting the charging piles, resulting in the reliability of the charging piles being difficult to guarantee.

[0006] Therefore, a charging pile reliability testing device is urgently needed. Summary of the invention

[0007] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a charging pile reliability testing device.

[0008] The present invention solves its technical problem through the following technical solutions: it includes a chassis, a box installed in the middle position of the chassis, and a driving component arranged on one side of the box, which is used to drive the detection process of the charging pile, the driving component includes a steam box, the steam box is fixed to the outer wall of the box by bolts, and an electric heating pipe is arranged at the bottom of the steam box, and also includes a collision test component arranged on one side of the driving component, which is used to simulate the collision of the charging pile, the collision test component includes a reciprocating top rod, which is used to collide and hit the charging pile, and also includes a condensation component arranged on the other side of the box, the condensation component includes a spiral condensation tube, which is used to liquefy water vapor, and also includes a spray component arranged on the top of the box, which is used to simulate the rain environment of the charging pile and flush the outer wall of the charging pile at the same time, the spray component includes a baffle with multiple spray holes arranged inside, the top of the steam box is respectively provided with a guide tube A and a guide tube B, and the inner wall of the box is provided with a heat conduction tube The air guide pipe A is communicated with the heat conduction pipe, a return pipe is arranged at one end of the heat conduction pipe, a circular box body is arranged at one end of the air guide pipe B, the air guide pipe B is communicated with the top of the circular box body, a driving shaft is arranged at the middle position of the circular box body, a plurality of bowl-shaped support arms are evenly arranged at one end of the driving shaft, a shell is arranged at one end of the box body, a cam is arranged at one end of the driving shaft, a rubber semicircular seat is arranged at one end of the push rod, a retaining ring is arranged at the outer side of the push rod, a return spring is arranged at one side of the retaining ring, one end of the return spring is fixedly connected to the shell, the spiral condenser is fixed to one end of the return pipe by bolts, a heat dissipation component is arranged above the spiral condenser, a water tank is arranged at one end of the spiral condenser for collecting water generated by condensation of water vapor, the baffle is fixed to the top of the box body by bolts, a gathering hood is arranged above the baffle, a baffle is arranged at the bottom of the gathering hood, and a lifting pipe is fixed to the bottom of the water tank by bolts.

[0009] As a further solution of the present invention: the box is provided with a sensing component opposite to the collision test component, which is used to sense the verticality of the charging pile. The sensing component includes a lateral electric push rod, which is fixed to the outside of the box by bolts. A pressure sensor is provided at the extended end of the lateral electric push rod, and the pressure sensor is in contact with the outer wall of the charging pile.

[0010] As a further solution of the present invention: a pulley is provided at one end of the push rod, and the pulley is in contact with the outer wall of the cam.

[0011] As a further solution of the present invention: an adding hopper is arranged above the water tank, the adding hopper is welded to the top of the water tank, a sealing cover is arranged above the adding hopper, a pressure relief pipe is arranged above the sealing cover, and a valve B is arranged at one end of the pressure relief pipe.

[0012] As a further solution of the present invention: valves A are provided on one side of the flow guide pipe A, flow guide pipe B and lifting pipe, respectively used to control the connection and closing of the flow guide pipe A, flow guide pipe B and lifting pipe.

[0013] As a further solution of the present invention: a water down pipe is arranged at the bottom of the steam box, a valve C is arranged on one side of the water down pipe, and a filling cover is arranged above the steam box for replacing the water inside the steam box.

[0014] As a further solution of the present invention: it is characterized in that a pressure relief hole is provided on one side of the circular box body.

[0015] As a further solution of the present invention: it is characterized in that a telescopic rubber cover is provided at the bottom of the box body, and an avoidance groove is provided on one side of the telescopic rubber cover.

[0016] As a further solution of the present invention: a support assembly is provided below the chassis (200) for supporting the charging pile reliability test device. The support assembly includes a lifting electric push rod, which is fixed to the top of the chassis by bolts. The extended end of the lifting electric push rod is fixedly connected to the box body and is used to drive the box body to automatically lift and lower, and to assemble the charging pile. A plurality of locking universal wheels are arranged at the bottom of the chassis, and a push-pull frame is arranged at one end of the chassis.

[0017] As a further aspect of the present invention, the following testing method is included.

[0018] S1: Move the box to the top of the charging pile, shorten the lifting electric push rod, drive the box down to cover the charging pile, connect the charging gun with the external detector through the avoidance groove under the sealing effect of the telescopic rubber cover, and record the current I and voltage U of the detector; S2: Start the device to perform reliability test on the charging pile, that is, the electric heating tube A and the electric heating tube B heat the water inside the steam box, turn on the heat dissipation component, start the device to perform reliability test on the charging pile, that is, the electric heating tube A and the electric heating tube B heat the water inside the steam box; simulate the test of the charging pile in a high temperature environment, and go to S3; simulate the test of the charging pile in a collision environment, and go to S4; simulate the test of the charging pile in a humid environment, and go to S5. S3: Close the flow guide pipe B, open the flow guide pipe A, open the valve B, and the steam enters the heat pipe through the flow guide pipe A and dissipates heat to heat the inside of the box. The reliability of the charging pile in a high temperature environment is tested, and the current I1 and voltage U1 of the current detector are recorded; S4: Open the guide tube B, close the guide tube A, close the valve B, the steam enters the circular box through the guide tube B and blows the bowl-shaped support arm to rotate, the top rod performs a collision test on the charging pile, and records the current I2 and voltage U2 of the current detector; S5: Turn off the heat dissipation component. The condensed water at the bottom of the water tank is pressed into the lifting pipe under the action of water vapor pressure and sprayed out through multiple spray holes through the gathering cover. The reliability of the charging pile under the rain is tested and the current I3 and voltage U3 of the current detector are recorded. S6: The staff compares the current I1 and voltage U1 in a high temperature environment; the current I2 and voltage U2 in a collision condition; the current I3 and voltage U3 in a rainy environment with the current I and voltage U respectively. If the fluctuation of the current is less than 10%, the reliability of the charging pile is qualified. If the fluctuation of the current is greater than 10%, the reliability of the charging pile is unqualified.

[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are as follows.

[0020] 1. In this technical solution, electric heating tubes A and B are provided to convert internal energy into mechanical energy of the drive shaft while introducing high-temperature and high-pressure steam into the guide tube A. The drive shaft drives the cam to rotate, so that the high-temperature and high-pressure steam dissipates heat through the heat-conducting tube, and the temperature inside the box is increased, which is convenient for high-temperature aging testing. The cam in this technical solution drives the ejector rod to reciprocate under the transmission action of the pulley, which is convenient for collision testing of the charging pile inside the box.

[0021] 2. A heat pipe is provided in the present technical solution, and the water vapor inside the heat pipe is condensed under the cooling effect of the heat dissipation component, so that the water enters the water tank for collection. When the valve B is closed, high pressure is formed on the top of the water tank, and the condensed water is lifted by the lifting pipe and then sprayed out through multiple spray holes, so as to simulate the rain environment to detect the charging pile and flush the charging pile at the same time, so that the reliability test device of the charging pile can simultaneously detect the charging stability of the charging pile during high temperature, rain and collision, thereby improving the efficiency of the reliability test of the charging pile.

[0022] 3. In this technical solution, a push-pull frame is provided, which can drive the locking universal wheel to move, thereby driving the chassis to rotate. Similarly, the reliability test of the entire side of the charging pile is performed, thereby improving the accuracy of the charging pile reliability test result of the charging pile reliability test device.

[0023] 4. In the technical solution, a pressure sensor is provided. Under the drive of the lateral electric push rod, the pressure sensor can be close to the charging pile casing. Under the continuous impact of the collision test component, if the charging pile is tilted, the pressure sensor is squeezed, so as to detect the installation stability of the charging pile, realize the reliability detection of the charging pile and the installation stability detection of the charging pile, and enrich the functionality of the charging pile reliability test device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of an isometric structure provided according to an embodiment of the present invention is shown.

[0025] Figure 2 A schematic diagram of a front cross-sectional structure provided according to an embodiment of the present invention is shown.

[0026] Figure 3 The embodiment of the present invention provides Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0027] Figure 4 A schematic diagram of a rear view structure provided according to an embodiment of the present invention is shown.

[0028] Figure 5 A side view schematic diagram of a structure provided according to an embodiment of the present invention is shown.

[0029] Figure 6 The embodiment of the present invention provides Figure 4 Schematic diagram of the local enlarged structure at point B in the middle.

[0030] Figure 7 The embodiment of the present invention provides Figure 2 Schematic diagram of the partial enlarged structure at point C in the middle.

[0031] Figure 8 The embodiment of the present invention provides Figure 2 Schematic diagram of the local enlarged structure at point D in the middle.

[0032] Legend: 100, box body; 200, chassis; 300, steam box; 400, water tank; 101, electric heating tube A; 102, electric heating tube B; 103, flow guide tube A; 104, flow guide tube B; 105, heat conduction tube; 106, return tube; 107, round box body; 108, driving shaft; 109, bowl-shaped support arm; 201, housing; 202, cam; 203, push rod; 204, rubber semicircular seat; 205, retaining ring; 206, return spring; 207, pulley; 301, spiral condenser; 302, heat dissipation component; 303, adding bucket; 304, sealing cover; 305, pressure relief pipe; 306, valve B; 401, riser; 402, gathering hood; 403, baffle; 501, lifting electric push rod; 502, locking universal wheel; 503, push-pull frame; 110, valve A; 120, sewer pipe; 130, valve C; 140, pressure relief hole; 150, add cover; 210. Lateral electric push rod; 220. Pressure sensor; 240. Telescopic rubber cover; 250. Avoidance groove. DETAILED DESCRIPTION

[0033] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0034] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0036] Embodiment 1: like Figure 1-7As shown, a charging pile reliability test device includes a chassis 200, a box 100 installed in the middle of the chassis 200, and a driving component arranged on one side of the box 100, which is used to drive the detection process of the charging pile. The outer side of the box 100 is externally connected with a detector for detecting the output current and voltage of the charging pile. A support component is arranged below the chassis 200 for supporting the charging pile reliability test device. The support component includes a lifting electric push rod 501, which is fixed to the top of the chassis 200 by bolts. The extended end of the lifting electric push rod 501 is fixedly connected to the box 100, which is used to drive the box 100 to automatically lift and lower, to assemble the charging pile, and to record the current of the detector. The driving assembly includes a steam box 300, which is fixed to the outer wall of the box body 100 by bolts. The bottom of the steam box 300 is fixed with electric heating pipes by bolts. The electric heating pipes include evenly distributed electric heating pipes A101 and electric heating pipes B102. A flow guide pipe A103 is welded to the top of the steam box 300. A heat conduction pipe 105 is fixed to the inner wall of the box body 100 by bolts. The heat conduction pipe 105 is spiral and close to the inner wall of the box body 100, and is used for uniformly heating the internal space of the box body 100, and records the current I1 and voltage U1 of the current detector. The flow guide pipe A103 is connected to the heat conduction pipe 105, and a return pipe 106 is fixed to one end of the heat conduction pipe 105 by bolts.

[0037] In this embodiment, electric heating tube A101 and electric heating tube B102 are provided, and the electric heating tube A101 and the electric heating tube B102 cooperate to convert electrical energy into internal energy, that is, the electric heating tube A101 and the electric heating tube B102 heat the water inside the steam box 300, and introduce the high-temperature and high-pressure steam into the guide tube A103. Subsequently, the high-temperature and high-pressure steam dissipates heat through the heat pipe 105, and the interior of the box 100 is heated, thereby detecting the charging stability of the charging pile in a high-temperature environment.

[0038] Embodiment 2: like Figure 1-7As shown, a charging pile reliability test device includes a collision test component arranged on one side of a driving component, which is used to perform a collision test on the outside of the charging pile, a flow guide pipe B104 is welded on one side of the flow guide pipe A103, a circular box body 107 is fixed to one end of the flow guide pipe B104 by bolts, a pressure relief hole 140 is cut on one side of the circular box body 107, which is used to prevent excessive pressure inside the circular box body 107, the flow guide pipe B104 is connected to the top of the circular box body 107, a driving shaft 108 is rotatably connected to the middle position of the circular box body 107, a plurality of bowl-shaped support arms 109 are uniformly welded on one end of the driving shaft 108, a collision test component is arranged on one side of the driving component, which is used to simulate the collision condition of the charging pile, and the collision The impact test assembly includes a shell 201, which is welded to the outer wall of the box body 100, one end of the drive shaft 108 is fixed with a cam 202 by bolts, a push rod 203 is slidably connected to the middle position of the shell 201, one end of the push rod 203 is threadedly connected to a rubber semicircular seat 204, a retaining ring 205 is welded to the outer side of the push rod 203, one side of the retaining ring 205 is fixed with a reset spring 206 by bolts, one end of the reset spring 206 is fixedly connected to the shell 201, one end of the push rod 203 is rotatably connected to a pulley 207, the pulley 207 contacts the outer wall of the cam 202, and is used to reduce the friction between the push rod 203 and the cam 202, and record the current I2 and voltage U2 of the current detector.

[0039] In this embodiment, by providing electric heating tube A101 and electric heating tube B102, the cooperation of electric heating tube A101 and electric heating tube B102 converts the internal energy into the mechanical energy of the driving shaft 108, the driving shaft 108 drives the cam 202 to rotate, and the cam 202 drives the push rod 203 to reciprocate under the transmission action of the pulley 207, and the charging pile inside the box 100 is subjected to a collision test, so as to detect the charging stability of the charging pile under the collision environment.

[0040] Embodiment 3: like Figure 1-8As shown, a charging pile reliability test device includes a condensing assembly arranged on one side of a box body 100, which is used to liquefy water vapor. The condensing assembly includes a spiral condensing tube 301, which is fixed to one end of a reflux pipe 106 by bolts. A heat dissipation component 302 is fixed to the top of the spiral condensing tube 301 by bolts. The heat dissipation component 302 can be a fan. A water tank 400 is fixed to one end of the spiral condensing tube 301 by bolts for collecting water generated by condensation of water vapor. An addition bucket 303 is welded to the top of the water tank 400. A sealing cover 304 is fixed by bolts, a pressure relief pipe 305 is welded above the sealing cover 304, a valve B306 is fixed at one end of the pressure relief pipe 305 by bolts, a spray assembly is provided on one side of the condensation assembly to simulate the rain environment of the charging pile, the spray assembly includes a lifting pipe 401, the lifting pipe 401 is fixed to the bottom of the water tank 400 by bolts, a gathering hood 402 is welded above the box body 100, a baffle 403 with multiple spray holes inside is fixed by bolts at the bottom of the gathering hood 402, and the current I3 and voltage U3 of the current detector are recorded. A valve A110 is fixed to one side of the flow guide pipe A103, the flow guide pipe B104 and the lifting pipe 401 by bolts, which are respectively used to control the connection and closing of the flow guide pipe A103, the flow guide pipe B104 and the lifting pipe 401. The valve A110 can be an electric valve or a manual valve. A plurality of locking universal wheels 502 are fixed to the bottom of the chassis 200 by bolts, and the box body 100 is driven to rotate by the locking universal wheels 502, so as to perform reliability testing on the entire side of the charging pile. A push-pull frame 503 is welded to one end of the chassis 200, a water pipe 120 is welded to the bottom of the steam box 300, and a valve C130 is fixed to one side of the water pipe 120 by bolts. An addition cover 150 is fixed to the top of the steam box 300 by bolts, so as to replace the water inside the steam box 300.

[0041] In this embodiment, water vapor inside the heat pipe 105 is condensed under the cooling effect of the heat dissipation component 302 and enters the water tank 400 for collection. The valve B306 can be closed to form high pressure on the top of the water tank 400. The condensed water is lifted by the lifting pipe 401 and then sprayed out through multiple spray holes, so as to simulate the rain environment to detect the charging pile and flush the charging pile at the same time. The charging pile reliability test device can simultaneously detect the charging stability of the charging pile under high temperature, rain and collision, thereby improving the efficiency of the charging pile reliability test. By providing a push-pull frame 503, the locking universal wheel 502 can be driven to move by the push-pull frame 503, thereby driving the chassis 200 to rotate. Similarly, the reliability test is performed on the entire side of the charging pile, thereby improving the accuracy of the charging pile reliability test result of the charging pile reliability test device.

[0042] Embodiment 4: like Figure 1-7 As shown, a charging pile reliability testing device includes a sensing component arranged on the inner wall of a box body 100, which is used to sense the verticality of the charging pile. The sensing component includes a lateral electric push rod 210, which is fixed to the outside of the box body 100 by bolts, and the extended end of the lateral electric push rod 210 is fixed with a pressure sensor 220 by bolts. The pressure sensor 220 is in contact with the outer wall of the charging pile, and a telescopic rubber cover 240 is fixed to the bottom of the box body 100 by bolts, and an avoidance groove 250 is cut on one side of the telescopic rubber cover 240 for avoiding the charging cable.

[0043] In this embodiment, by providing a pressure sensor 220, under the drive of the lateral electric push rod 210, the pressure sensor 220 can be close to the charging pile casing. Under the continuous impact of the collision test component, if the charging pile is tilted, the pressure sensor 220 is squeezed, so as to detect the installation stability of the charging pile, realize the reliability detection of the charging pile and the installation stability detection of the charging pile, and enrich the functionality of the charging pile reliability test device.

[0044] A testing method for a charging pile reliability testing device comprises the following steps: S1: Move the box 100 to the top of the charging pile, shorten the lifting electric push rod 501, drive the box 100 down to cover the charging pile, connect the charging gun with the external detector through the avoidance groove 250 under the sealing effect of the telescopic rubber cover 240, and record the current I and voltage U of the detector; S2: The device is started to perform reliability testing on the charging pile, that is, the electric heating pipe A101 and the electric heating pipe B102 heat the water inside the steam box 300, and the heat dissipation component 302 is turned on. The device is started to perform reliability testing on the charging pile, that is, the electric heating pipe A101 and the electric heating pipe B102 heat the water inside the steam box 300; the charging pile is tested in a simulated high temperature environment, and the process goes to S3; the charging pile is tested in a simulated collision environment, and the process goes to S4; the charging pile is tested in a simulated humid environment, and the process goes to S5. S3: Close the flow pipe B104, open the flow pipe A103, open the valve B306, and the steam enters the heat pipe 105 through the flow pipe A103 and dissipates heat, heating the inside of the box 100, testing the reliability of the charging pile in a high temperature environment, and recording the current I1 and voltage U1 of the current detector; S4: Open the flow guide tube B104, close the flow guide tube A103, close the valve B306, the steam enters the circular box body 107 through the flow guide tube B104 and blows the bowl-shaped support arm 109 to rotate, the top rod 203 performs a collision test on the charging pile, and records the current I2 and voltage U2 of the current detector; S5: The heat dissipation component 302 is closed, and the condensed water at the bottom of the water tank 400 is pressed into the lifting pipe 401 under the action of the water vapor pressure, and is sprayed out through the multiple spray holes through the gathering cover 402, so as to test the reliability of the charging pile under the rain state, and record the current I3 and voltage U3 of the current detector; S6: The staff compares the current I1 and voltage U1 in a high temperature environment; the current I2 and voltage U2 in a collision condition; the current I3 and voltage U3 in a rainy environment with the current I and voltage U respectively. If the fluctuation of the current is less than 10%, the reliability of the charging pile is qualified. If the fluctuation of the current is greater than 10%, the reliability of the charging pile is unqualified.

[0045] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A charging pile reliability testing device, characterized in that: It comprises a chassis (200), a box (100) installed in the middle of the chassis (200), and a driving component arranged on one side of the box (100), and is used to drive the detection process of the charging pile; The driving assembly comprises a steam box (300), wherein the steam box (300) is fixed to the outer wall of the box body (100) by means of bolts, and an electric heating pipe is arranged at the bottom of the steam box (300); Also included is a collision test assembly arranged on one side of the driving assembly, used to simulate a collision with a charging pile, the collision test assembly comprising a reciprocating top rod (203) used to collide with the charging pile; It also includes a condensation assembly arranged on the other side of the box body (100), the condensation assembly including a spiral condensation tube (301) for liquefying water vapor; It also includes a spray assembly arranged on the top of the box (100) and used to simulate the rain environment of the charging pile and simultaneously flush the outer wall of the charging pile, the spray assembly including a baffle (403) with a plurality of spray holes arranged therein; A flow guide pipe A (103) and a flow guide pipe B (104) are respectively arranged on the top of the steam box (300); a heat conduction pipe (105) is arranged on the inner wall of the box body (100); the flow guide pipe A (103) is in communication with the heat conduction pipe (105); a return pipe (106) is arranged at one end of the heat conduction pipe (105); a circular box body (107) is arranged at one end of the flow guide pipe B (104); the flow guide pipe B (104) is in communication with the top of the circular box body (107); a driving shaft (108) is arranged in the middle of the circular box body (107); and a plurality of bowl-shaped support arms (109) are evenly arranged at one end of the driving shaft (108); A housing (201) is provided at one end of the box body (100), a cam (202) is provided at one end of the drive shaft (108), a rubber semicircular seat (204) is provided at one end of the push rod (203), a retaining ring (205) is provided on the outer side of the push rod (203), a return spring (206) is provided on one side of the retaining ring (205), and one end of the return spring (206) is fixedly connected to the housing (201); The spiral condenser tube (301) is fixed to one end of the reflux pipe (106) by means of bolts, a heat dissipation component (302) is arranged above the spiral condenser tube (301), and a water tank (400) is arranged at one end of the spiral condenser tube (301) for collecting water generated by condensation of water vapor; The baffle (403) is fixed to the top of the box body (100) by means of bolts, a gathering hood (402) is arranged above the baffle (403), the bottom of the gathering hood (402) is fixedly connected to the baffle (403), and a lifting pipe (401) is fixed to the top of the water tank (400) by means of bolts, and the water inlet of the lifting pipe (401) is located at the bottom of the water tank (400).

2. A charging pile reliability testing device according to claim 1, characterized in that: The box (100) is provided with a sensing component on an inner wall opposite to the collision test component, for sensing the verticality of the charging pile; The sensing component comprises a lateral electric push rod (210), the lateral electric push rod (210) being fixed to the outside of the box (100) by means of bolts, and a pressure sensor (220) being provided at the extended end of the lateral electric push rod (210), the pressure sensor (220) being in contact with the outer wall of the charging pile.

3. A charging pile reliability testing device according to claim 2, characterized in that: A pulley (207) is provided at one end of the push rod (203), and the pulley (207) is in contact with the outer wall of the cam (202).

4. A charging pile reliability testing device according to claim 3, characterized in that: An addition hopper (303) is arranged above the water tank (400), the addition hopper (303) is welded to the top of the water tank (400), a sealing cover (304) is arranged above the addition hopper (303), a pressure relief pipe (305) is arranged above the sealing cover (304), and a valve B (306) is arranged at one end of the pressure relief pipe (305).

5. A charging pile reliability testing device according to claim 4, characterized in that: A valve A (110) is provided on one side of the flow guide pipe A (103), the flow guide pipe B (104), and the lifting pipe (401), respectively used to control the connection and closing of the flow guide pipe A (103), the flow guide pipe B (104), and the lifting pipe (401).

6. A charging pile reliability testing device according to claim 5, characterized in that: A water down pipe (120) is provided at the bottom of the steam box (300), a valve C (130) is provided on one side of the water down pipe (120), and a filling cover (150) is provided above the steam box (300) for replacing water inside the steam box (300).

7. A charging pile reliability testing device according to claim 6, characterized in that: A pressure relief hole (140) is provided on one side of the circular box body (107).

8. A charging pile reliability testing device according to claim 7, characterized in that: A telescopic rubber cover (240) is provided at the bottom of the box body (100), and an avoidance groove (250) is provided on one side of the telescopic rubber cover (240).

9. A charging pile reliability testing device according to claim 8, characterized in that: A support assembly is provided below the chassis (200) for supporting the charging pile reliability testing device. The support assembly comprises a lifting electric push rod (501), the lifting electric push rod (501) is fixed to the top of the chassis (200) by bolts, the extended end of the lifting electric push rod (501) is fixedly connected to the box (100) and is used to drive the box (100) to automatically lift and lower, so as to fit the charging pile, a plurality of locking universal wheels (502) are arranged below the chassis (200), and a push-pull frame (503) is arranged at one end of the chassis (200).

10. A charging pile reliability testing device according to claim 9, characterized in that: The following test methods are included: S1: The box (100) is moved to the position directly above the charging pile, the lifting electric push rod (501) is shortened, and the box (100) is driven to descend to cover the charging pile, and the charging gun is connected to the external detector through the avoidance groove (250) under the sealing effect of the telescopic rubber cover (240), and the current I and voltage U of the detector are recorded; S2: The device is started to perform a reliability test on the charging pile, that is, the electric heating pipe A (101) and the electric heating pipe B (102) heat the water inside the steam box (300), and the heat dissipation component (302) is turned on. The device is started to perform a reliability test on the charging pile, that is, the electric heating pipe A (101) and the electric heating pipe B (102) heat the water inside the steam box (300); the charging pile is tested in a simulated high temperature environment, and the process proceeds to S3; the charging pile is tested in a simulated collision environment, and the process proceeds to S4; the charging pile is tested in a simulated humid environment, and the process proceeds to S5. S3: closing the flow guide pipe B (104), opening the flow guide pipe A (103), and opening the valve B (306), so that the steam enters the heat conduction pipe (105) through the flow guide pipe A (103) and dissipates heat, thereby heating the interior of the box (100), testing the reliability of the charging pile in a high temperature environment, and recording the current I1 and voltage U1 of the current detector; S4: Open the flow guide tube B (104), close the flow guide tube A (103), close the valve B (306), steam enters the circular box body (107) through the flow guide tube B (104) and blows the bowl-shaped support arm (109) to rotate, the top rod (203) performs a collision test on the charging pile, and records the current I2 and voltage U2 of the current detector; S5: the heat dissipation component (302) is closed, and the condensed water at the bottom of the water tank (400) is pressed into the lifting pipe (401) under the action of the water vapor pressure, and is sprayed out through the plurality of spray holes through the gathering cover (402), so as to test the reliability of the charging pile under the rain, and record the current I3 and voltage U3 of the current detector; S6: The staff compares the current I1 and voltage U1 in a high temperature environment; the current I2 and voltage U2 in a collision condition; the current I3 and voltage U3 in a rainy environment with the current I and voltage U respectively. If the fluctuation of the current is less than 10%, the reliability of the charging pile is qualified. If the fluctuation of the current is greater than 10%, the reliability of the charging pile is unqualified.

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