Charging pile water spraying test equipment

Abstract

The invention discloses charging pile water spraying test equipment, which belongs to the technical field of charging pile test and comprises a test cabin, a spraying unit and a circulating unit. The testing cabin comprises a bottom assembly, a conical water tank is formed in the upper end face of the bottom assembly, a plurality of vertical square grooves are further formed in the side wall of the conical water tank and located on the outer side of the drainage pipe in a circumferential array mode and used for assembling a testing piece support, the testing piece support comprises a plurality of square pipes, and supporting tables are arranged at the upper ends of the square pipes. The spraying unit penetrates through the upper end of the test cabin and comprises a linear mechanism, the output end of the linear mechanism is provided with a water collecting barrel, and multiple groups of fans are arranged below the peripheral side of the water collecting barrel in a circumferential array manner. The circulating unit is arranged on one side of the testing cabin and comprises a taper pipe, the taper pipe is sequentially connected with a second water valve and a first lifting pump, the first lifting pump is used for lifting water and pumping the water into the water tank, and the lower end of the telescopic pipe is connected to a water inlet pipe. According to the invention, the influence of the actual raining condition and the environment at different wind speeds on the charging pile can be well simulated, and the test water can be recycled.

Description

Technical Field

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

[0002] After the charging pile is assembled, it needs to be tested with water, and then the internal condition of the charging pile is checked to determine whether the charging pile is qualified.

[0003] Currently, the following methods are commonly used for actual water spray testing. However, these methods all have some problems: the first is to manually spray the charging pile with a handheld water hose. This method is labor-intensive and covers a small area at a time, which cannot effectively simulate rain. The second method is to use a spray booth for testing, but usually only a few nozzles are installed on the top and sides. If the water spray condition on other sides is to be tested, the charging pile still needs to be manually rotated. In addition, various existing testing methods have several common problems, including the use of excessive water volume and the side-scattering nozzles that produce water droplets moving diagonally upward, which does not match the actual rain conditions. Summary of the Invention

[0004] In response to the above-mentioned defects, the present invention provides a charging pile water spray test equipment, which can better simulate the actual rain conditions and the impact of the environment under different wind speeds on the charging pile, and can realize the recycling of test water.

[0005] In order to achieve the purpose of the present invention, the following technologies are proposed: A charging pile water spray test device, comprising: The test chamber includes a bottom assembly having a bottom trough horizontally defined at its lower end, a conical water trough defined at its upper end, a drain pipe defined at its lower end that extends downward through the bottom assembly, and a plurality of vertical square grooves defined in a circumferential array on the sidewalls of the conical water trough on the outer sides of the drain pipe for assembling a test piece holder. The test piece holder includes a plurality of square tubes that respectively match the vertical square grooves, a support provided at the upper ends of the square tubes, and a top plate defined above the bottom assembly, the top plate having a top opening and an axis opening. The spray unit is installed at the upper end of the test chamber and includes a linear mechanism vertically fixed to the upper end surface of the top plate, the output shaft of which is installed at the shaft opening, the output end of the linear mechanism is provided with a water collecting cylinder, the upper end of the water collecting cylinder is provided with a water inlet pipe, the lower end of the water collecting cylinder is provided with multiple first water valves, the lower end of the first water valve is provided with a nozzle, and multiple sets of fans are provided in a circular array below the outer circumference of the water collecting cylinder; The circulation unit is arranged on one side of the test cabin and includes a conical tube connected to the lower end of the drain pipe. The conical tube is connected to the second water valve and the first lifting pump in sequence. The circulation unit also includes a water tank. The first lifting pump is used to lift water and pump it into the water tank. A second lifting pump is also provided on the upper end surface of the water tank. The circulation unit also includes a top pipe passing through the top opening. The second lifting pump is used to lift water and pump it into the top pipe. A telescopic tube is provided at the lower end of the top pipe, and the lower end of the telescopic tube is connected to the water inlet pipe.

[0006] Furthermore, extension plates are respectively provided on both sides of the support platform, and upper ends of the extension plates are provided with hanging rings.

[0007] Furthermore, a drainage hole is provided on the bottom surface of the vertical trough, and the lower end of the drainage hole is connected to a drain pipe that runs through the top wall of the bottom trough. Multiple collection pipes are connected to the outer periphery of the conical tube, and the upper end of each collection pipe is also connected to the bottom end of the drain pipe.

[0008] Furthermore, an inverted L-shaped frame is provided on the upper end surface of the bottom component, and an ultrasonic liquid level sensor is provided at one end of the horizontal portion of the inverted L-shaped frame.

[0009] Furthermore, a ring plate is provided at the upper end of the bottom component, a side opening is opened on the outer periphery of the ring plate, a pair of sealing doors are equipped on the side opening, a handle is provided on the outer side of the sealing door, and a top plate is provided on the upper end of the ring plate.

[0010] Furthermore, a plurality of horizontal plates are provided in a circular array on the outer circumference of the water collecting cylinder, a pair of vertical plates are provided at the lower ends of the horizontal plates, a plurality of frame plates are provided between the two vertical plates along the vertical direction, and each fan is respectively provided on the frame plate.

[0011] Furthermore, the conical tube is fixed to the lower end surface of the bottom trough, the second water valve is connected to the bottom end of the conical tube, one end of the second water valve is provided with a horizontal tube, and the water inlet end of the first lifting pump is connected to one end of the horizontal tube.

[0012] Furthermore, the water outlet end of the first lift pump is connected to a first inverted L-shaped pipe, and the horizontal portion of the first inverted L-shaped pipe is connected to the upper portion of a side surface of the water tank.

[0013] Furthermore, a water suction port is opened at the upper end of the water tank, and the water inlet end of the second lifting pump is connected to a second inverted L-shaped pipe. The vertical part of the second inverted L-shaped pipe is passed through the water suction port, and the bottom end is close to the bottom of the water tank. The water outlet end of the second lifting pump is connected to an inverted U-shaped pipe, and the top pipe is arranged at the lower end of a vertical part of the inverted U-shaped pipe.

[0014] The beneficial effects of this technical solution are: 1. In this device, the nozzle for discharging water is only set at the top, and fans are set around the charging pile to simulate different wind directions, so that the water spray test can be more in line with the actual situation.

[0015] 2. Through the circulation unit, the water collected in the conical water tank can be returned to the water tank, thus realizing water circulation conveniently.

[0016] 3. It can also perform immersion tests and adapt to different immersion depth standards by adjusting the height of the charging pile placement. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Shown is an overall stereogram of an embodiment of the present application.

[0018] Figure 2 A stereoscopic diagram of a portion of the test chamber, the spray unit, and the circulation unit of an embodiment of the present application is shown.

[0019] Figure 3 A partial exploded view of the test chamber of an embodiment of the present application is shown.

[0020] Figure 4 A partial stereoscopic view of a test chamber according to an embodiment of the present application is shown.

[0021] Figure 5 Shows a partial three-dimensional view of the spray unit in the embodiment of the present application Figure 1 .

[0022] Figure 6 Shows a partial three-dimensional view of the spray unit in the embodiment of the present application Figure 2 .

[0023] Figure 7 A three-dimensional diagram of a circulation unit according to an embodiment of the present application is shown.

[0024] Markings in the figure: test chamber 1, bottom assembly 11, bottom trough 12, conical water trough 13, drain pipe 14, vertical square trough 15, square pipe 151, support platform 152, extension plate 153, lifting ring 154, drain pipe 16, inverted L-shaped frame 17, ultrasonic liquid level sensor 171, ring plate 18, sealing door 181, handle 182, top plate 19, spray unit 2, linear mechanism 21, water collecting cylinder 22, water inlet pipe 23, The first water valve 24, the nozzle 25, the horizontal plate 26, the vertical plate 27, the frame plate 28, the fan 29, the circulation unit 3, the cone pipe 31, the collecting pipe 32, the second water valve 33, the horizontal pipe 331, the first lifting pump 34, the water tank 35, the first inverted L-shaped pipe 341, the water suction port 351, the bracket 352, the second lifting pump 36, the second inverted L-shaped pipe 361, the inverted U-shaped pipe 362, the top pipe 37, the telescopic pipe 38, and the charging pile 4. DETAILED DESCRIPTION

[0025] The present application will be further described below with reference to the accompanying drawings and examples.

[0026] like Figures 1 to 7 The charging pile water spray test equipment shown includes a test chamber 1, a spray unit 2, and a circulation unit 3.

[0027] like Figures 1 to 4As shown, the test chamber 1 includes a cylindrical bottom component 11, a bottom trough 12 is horizontally opened at the lower end of the bottom component 11, a conical water tank 13 is opened on the upper end surface of the bottom component 11, a drain pipe 14 is opened at the lower end of the conical water tank 13 and penetrates the bottom component 11 downward, and the side walls of the conical water tank 13 are respectively provided with a plurality of vertical grooves 15 in a circumferential array on the outside of the drain pipe 14 for assembling the test piece bracket, the test piece bracket includes a plurality of square tubes 151 respectively matched with the vertical grooves 15, a support platform 152 is provided at the upper end of the square tube 151, and an extension plate 153 is respectively provided on both sides of the support platform 152, and a lifting ring 154 is provided on the upper end of the extension plate 153 for installing the test piece bracket above the vertical groove 15 through a vehicle crane. Test piece holders with square tubes 151 of different lengths and / or supports 152 of different areas and shapes can be selected in the cabin 1 to conduct immersion tests of different depths and / or carry charging piles 4 of different sizes and shapes. A drainage hole is also provided on the bottom surface of the vertical square groove 15, and the lower end of the drainage hole is connected to a drain pipe 16 that passes through the top wall of the bottom groove 12. An inverted L-shaped frame 17 is provided on the upper end surface of the bottom component 11, and an ultrasonic liquid level sensor 171 is provided at one end of the horizontal part of the inverted L-shaped frame 17. A ring plate 18 is formed on the upper end of the bottom component 11, and a side opening is provided on the outer peripheral side of the ring plate 18. The side opening is equipped with a pair of sealing doors 181, and a handle 182 is provided on the outer side of the sealing door 181. A top plate 19 is formed on the upper end of the ring plate 18, and a top opening and an axis opening are provided on the top plate 19.

[0028] like Figure 1 、 Figure 2 、 Figure 5 、 Figure 6 As shown, the spray unit 2 is arranged at the upper end of the test chamber 1, and includes a linear mechanism 21 vertically fixed to the upper end surface of the top plate 19. In this embodiment, the linear mechanism 21 adopts a linear hydraulic cylinder, and the output shaft of the linear mechanism 21 is arranged at the shaft opening. A water collecting cylinder 22 is provided at the output end of the linear mechanism 21, and a water inlet pipe 23 is provided at the upper end of the water collecting cylinder 22. A plurality of first water valves 24 are provided at the lower end of the water collecting cylinder 22, and a nozzle 25 is provided at the lower end of the first water valve 24. A plurality of horizontal plates 26 are provided in a circular array on the outer peripheral side of the water collecting cylinder 22. Specifically, the number of the horizontal plates 26 is at least eight, and a pair of vertical plates 27 are provided at the lower end of the horizontal plate 26. A plurality of frame plates 28 are provided between the two vertical plates 27 in the vertical direction, and a fan 29 is provided on the frame plate 28. In this embodiment, the fan 29 adopts an axial flow fan.

[0029] like Figure 1 、 Figure 2 、 Figure 7As shown, the circulation unit 3 is arranged on one side of the test cabin 1, including a tapered pipe 31 fixed to the lower end surface of the bottom trough 12, the upper end of the tapered pipe 31 is connected to the lower end of the drain pipe 14, and a plurality of collecting pipes 32 are connected to the outer peripheral side of the tapered pipe 31, and the upper end of each collecting pipe 32 is also connected to the bottom end of the drain pipe 16 respectively, and the bottom end of the tapered pipe 31 is also connected to a bend pipe, one end of the bend pipe is provided with a second water valve 33, and one end of the second water valve 33 is provided with a horizontal pipe 331, and one end of the horizontal pipe 331 is connected to a first lifting pump 34, that is, the water inlet end of the first lifting pump 34 is connected to one end of the horizontal pipe 331, the circulation unit 3 also includes a water tank 35, and the water outlet end of the first lifting pump 34 is connected to a first inverted L-shaped pipe 341, and the horizontal pipe 331 of the first inverted L-shaped pipe 341 is provided with a first inverted L-shaped pipe 341. The upper part is connected to the upper part of one side of the water tank 35, and a water suction port 351 is provided at the upper end of the water tank 35. A bracket 352 is also provided on the upper end surface of the water tank 35. A second lifting pump 36 is provided on the upper end surface of the bracket 352. The water inlet end of the second lifting pump 36 is connected to a second inverted L-shaped tube 361. The vertical part of the second inverted L-shaped tube 361 is passed through the water suction port 351, and the bottom end is close to the bottom of the water tank 35. The water outlet end of the second lifting pump 36 is connected to an inverted U-shaped tube 362. The inverted U-shaped tube 362 includes a longer vertical part and a shorter vertical part. The lower end of the short vertical part of the inverted U-shaped tube 362 is provided with a top pipe 37 passed through the top port, and the lower end of the top pipe 37 is provided with a telescopic tube 38. The lower end of the telescopic tube 38 is connected to the water inlet pipe 23.

[0030] In this embodiment, both the first water valve 24 and the second water valve 33 are solenoid valves.

[0031] Working method: Taking a specific charging pile water spray test process as an example, it includes tests in a windless state, tests when the wind direction changes, and immersion tests. According to the depth of the immersion water, a test piece bracket with a square tube 151 of a matching length is selected, and according to the shape of the bottom of the charging pile 4, a support 152 that can stably place it is selected, that is, it can completely cover the bottom of the charging pile 4. Next, open the sealing door 181, first lift the components at its output end through the linear mechanism 21 to avoid obstruction, then install the test piece bracket through the truck crane, and then place the charging pile 4 on the test piece bracket, then close the sealing door 181, and then lower the components at its output end through the linear mechanism 21, so that the axis of at least one of the vertically arranged fans 29 is located above the upper end surface of the charging pile 4, and the axis of at least one fan 29 is located below the upper end surface of the charging pile 4. In this embodiment, there are two fans 29 in a group of vertically arranged fans, so one is above the upper end surface of the charging pile 4 and the other is below. In this way, the wind can cover the area above the charging pile 4 and the area on the side of the charging pile 4, thereby achieving better simulation. Before the test, water is sucked into the water collection cylinder 22 by the second lifting pump 36.

[0032] When conducting a general windless water spray test, the first water valve 24 is directly opened to spray water through the nozzle 25. If a water spray test with wind direction is to be conducted, starting from a group of fans 29 below a predetermined horizontal plate 26, this group of fans 29 is started so that the water droplets obtain a horizontal speed, simulating actual rainy weather conditions. Similarly, after a predetermined time, one group of fans 29 is turned off and another adjacent group of fans 29 is started until all the groups of fans 29 in a circle have been used. Preferably, each first water valve 24 can also be precisely controlled to reduce the water circulation flow rate. The specific method is to project the center of gravity of the charging pile 4, each nozzle 25, and each fan 29 onto the same horizontal plane. For the projection point, the distance between the charging pile 4 and the running fan 29 is used as a reference. For those nozzles 25 that are greater than the distance to the running fan 29, the first water valves 24 that control them are closed, because the water sprayed from these nozzles 25 cannot contact the charging pile 4, so there is no need to spray from these nozzles 25.

[0033] Water circulation within the device is achieved by opening the second water valve 33 and pumping water into the water tank 35 via the first lift pump 34. If, in addition to the water spray test, an immersion test of the charging station 4 is also performed, an ultrasonic level sensor 171 can be used to maintain a constant liquid level within the conical water tank 13. Depending on the immersion depth requirement of the charging station 4 being tested, a test piece holder of a predetermined height can be selected. Preferably, if the second water valve 33 utilizes a flow-control solenoid valve, the liquid level within the conical water tank 13 can be dynamically controlled to remain constant while the water is spraying.

[0034] As another embodiment, the charging pile water spray test equipment can also be combined with a control box to form a charging pile intelligent test system. The control box is provided with a single-chip microcomputer, which is electrically connected to the ultrasonic liquid level sensor 171, the linear mechanism 21, the first water valve 24, the fan 29, the second water valve 33, the first lifting pump 34, and the second lifting pump 36 to achieve control.

[0035] The above are only some of the embodiments listed in this application and are not intended to limit this application.

Claims

1. A charging pile water test device, characterized in that: include: A test chamber (1) includes a bottom component (11), a bottom groove (12) is horizontally opened at the lower end of the bottom component (11), a conical water tank (13) is opened on the upper end surface of the bottom component (11), a drainage pipe (14) is opened at the lower end of the conical water tank (13) and penetrates the bottom component (11) downward, and a plurality of vertical grooves (15) are opened in a circumferential array on the side wall of the conical water tank (13) on the outer side of the drainage pipe (14) for assembling a test piece bracket, the test piece bracket includes a plurality of square tubes (151) respectively matched with the vertical grooves (15), a support platform (152) is provided at the upper end of the square tube (151), and a top plate (19) is provided above the bottom component (11), and a top opening and an axis opening are opened on the top plate (19); A spray unit (2) is provided at the upper end of the test chamber (1), and includes a linear mechanism (21) vertically fixed to the upper end surface of the top plate (19), an output shaft of which is provided at the shaft opening, a water collecting cylinder (22) is provided at the output end of the linear mechanism (21), a water inlet pipe (23) is provided at the upper end of the water collecting cylinder (22), a plurality of first water valves (24) are provided at the lower end of the first water valve (24), a nozzle (25) is provided at the lower end of the first water valve (24), and a plurality of fans (29) are provided in a circular array below the outer peripheral side of the water collecting cylinder (22); The circulation unit (3) is provided on one side of the test chamber (1), and includes a tapered tube (31) connected to the lower end of the drain pipe (14). The tapered tube (31) is connected in sequence to a second water valve (33) and a first lifting pump (34). The circulation unit (3) also includes a water tank (35). The first lifting pump (34) is used to lift water and pump it into the water tank (35). The upper end surface of the water tank (35) is also provided with a second lifting pump (36). The circulation unit (3) also includes a top pipe (37) passing through the top opening. The second lifting pump (36) is used to lift water and pump it into the top pipe (37). The lower end of the top pipe (37) is provided with a telescopic tube (38). The lower end of the telescopic tube (38) is connected to the water inlet pipe (23).

2. The charging pile water spray test equipment according to claim 1, characterized in that: Extension plates (153) are respectively provided on both sides of the support platform (152), and a lifting ring (154) is provided on the upper end of the extension plate (153).

3. The charging pile water spray test equipment according to claim 1, characterized in that: The bottom surface of the vertical trough (15) is also provided with a drainage hole, the lower end of which is connected to a drainage pipe (16) that penetrates the inner top wall of the bottom trough (12). The outer peripheral side of the conical tube (31) is connected to a plurality of collection pipes (32), and the upper end of each collection pipe (32) is also connected to the bottom end of the drainage pipe (16).

4. The charging pile water spray test equipment according to claim 1, characterized in that: An inverted L-shaped frame (17) is provided on the upper end surface of the bottom component (11), and an ultrasonic liquid level sensor (171) is provided at one end of the transverse portion of the inverted L-shaped frame (17).

5. The charging pile water spray test equipment according to claim 1, characterized in that: A ring plate (18) is provided at the upper end of the bottom assembly (11), a side opening is opened on the outer peripheral side of the ring plate (18), a pair of sealing doors (181) are assembled on the side opening, and a handle (182) is provided on the outer side of the sealing door (181). A top plate (19) is provided at the upper end of the ring plate (18).

6. The charging pile water spray test equipment according to claim 1, characterized in that: A plurality of horizontal plates (26) are provided in a circumferential array on the outer circumference of the water collecting cylinder (22), a pair of vertical plates (27) are provided at the lower ends of the horizontal plates (26), a plurality of frame plates (28) are provided between the two vertical plates (27) along the vertical direction, and each fan (29) is respectively provided on the frame plate (28).

7. The charging pile water spray test equipment according to claim 1, characterized in that: The conical tube (31) is fixed to the lower end surface of the bottom trough (12), the second water valve (33) is connected to the bottom end of the conical tube (31), one end of the second water valve (33) is provided with a transverse tube (331), and the water inlet end of the first lifting pump (34) is connected to one end of the transverse tube (331).

8. The charging pile water spray test equipment according to claim 1, characterized in that: The water outlet end of the first lift pump (34) is connected to a first inverted L-shaped pipe (341), and the transverse portion of the first inverted L-shaped pipe (341) is connected to the upper portion of one side of the water tank (35).

9. The charging pile water spray test equipment according to claim 1, characterized in that: A water suction port (351) is provided at the upper end of the water tank (35); a water inlet end of the second lifting pump (36) is connected to a second inverted L-shaped pipe (361); a vertical portion of the second inverted L-shaped pipe (361) is passed through the water suction port (351), and a bottom end thereof is close to the bottom of the water tank (35); a water outlet end of the second lifting pump (36) is connected to an inverted U-shaped pipe (362); and a top pipe (37) is provided at a lower end of a vertical portion of the inverted U-shaped pipe (362).

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