Active liquid cooling device for high-voltage direct-current charging gun

Abstract

The utility model provides an active liquid cooling device for a high-voltage direct current charging gun, which relates to the technical field of charging guns and comprises a liquid cooling machine, a liquid storage tank is fixedly connected to the surface of one side of the liquid cooling machine, a pump machine is arranged at the bottom of the liquid storage tank, and a liquid outlet pipe is fixedly connected to the output end of the pump machine. The surface of the liquid cooling machine is fixedly connected with a fan, the surface of one side of the liquid cooling machine is fixedly connected with a heat exchanger, the surface of the liquid cooling machine is provided with a liquid return pipe, the surface of the liquid storage tank is provided with a filtering device, and the filtering device comprises a filtering tank. According to the liquid cooling machine, impurities in the cooling liquid can be timely and rapidly filtered, so that the purity and the effectiveness of the cooling liquid are ensured, the blockage of internal parts of the liquid cooling machine is not easily caused, the charging gun can be better cooled, and the use effect and the functionality of the liquid cooling machine are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging gun technical field especially relates to a kind of active liquid cooling device for high-voltage direct-current charging gun. BACKGROUND

[0002] In the charging process of new energy automobile, in order to improve charging power, direct current charging form is used, and with the improvement of charging current, the temperature of charging head and charging wire harness will be improved, so efficient liquid cooling device is equipped in the existing charging equipment to cool it.

[0003] When the traditional liquid cooling machine is used, first start the cooling machine, and the pump will run, so that the cooling liquid in the liquid storage tank is extracted, and enters the pipeline of charging gun through liquid outlet pipe, and reaches the position of charger gun head, then the cooling liquid with heat enters the heat exchanger through liquid return pipe, and the heat is blown away by cooperating with fan, but in actual use, it is found that the cooling liquid in the liquid cooling machine contains more and more impurities in long-term use, the existence of impurities affects the purity of cooling liquid, and reduces the cooling effect of liquid cooling machine, and also causes the blockage of internal passage of liquid cooling machine, affects the normal use of liquid cooling machine. UTILITY MODEL CONTENTS

[0004] The utility model discloses to solve the problem that the cooling liquid in the liquid cooling machine contains more and more impurities in long-term use, the existence of impurities affects the purity of cooling liquid, and reduces the cooling effect of liquid cooling machine, and also causes the blockage of internal passage of liquid cooling machine, affects the normal use of liquid cooling machine, and proposes a kind of active liquid cooling device for high-voltage direct-current charging gun.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a liquid cooling device for charging gun, including liquid cooling machine, its characterized in that: one side surface of liquid cooling machine is fixedly connected with liquid storage tank, the bottom of liquid storage tank is provided with pump machine, the output of pump machine is fixedly connected with liquid outlet pipe, the surface of liquid cooling machine is fixedly connected with fan, one side surface of liquid cooling machine is fixedly connected with heat exchanger, the surface of liquid cooling machine is provided with liquid return pipe, the surface of liquid storage tank is provided with filter device, the filter device includes filter box, the surface of filter box is fixedly connected with liquid inlet pipe, the surface of liquid inlet pipe and liquid storage tank is fixedly connected, one side surface of filter box is provided with water pump, the input of water pump is fixedly connected with filter box, the output of water pump is fixedly connected with communication pipe, the surface of communication pipe and liquid storage tank is fixedly connected, the inner wall of liquid storage tank is fixedly connected with barrier net, and the horizontal height of barrier net is lower than the setting height of liquid inlet pipe and communication pipe, the surface of filter box is clamped with lid, the surface of lid is fixedly connected with fixed plate respectively on both sides, the surface of fixed plate is inserted with bolt, the surface of bolt is screwed with filter box, one side surface of lid is fixedly connected with connecting rod, one end of connecting rod is fixedly connected with collection frame, and the side close to water pump of collection frame is fixedly connected with filter screen.

[0006] The above components achieve the following effects: when the liquid cooling machine cools the charging gun, the impurities in the cooling liquid can be filtered in time and quickly, thereby ensuring the purity and effectiveness of the cooling liquid and preventing the internal components of the liquid cooling machine from being blocked, and the charging gun can be cooled better, and the use effect and functionality of the liquid cooling machine are further improved.

[0007] Preferably, the surface of the bolt is fixedly connected with a connecting rope, and the other end of the connecting rope is fixedly connected with the surface of the other end plate.

[0008] The above components achieve the following effects: the bolt can be more conveniently taken when in use, the lid can be more conveniently fixed, and the bolt is less likely to fall and be lost.

[0009] Preferably, the surface of the lid is fixedly connected with a handle, and the surface of the handle is provided with a plurality of anti-skid protrusions.

[0010] The above components achieve the following effects: the lid can be more conveniently disassembled and assembled, the filtered impurities can be more conveniently treated, and the convenience of use of the filter device is further improved.

[0011] Preferably, the surface of the lid is fixedly connected with a sealing ring, and the sealing ring is a rubber ring.

[0012] The effects achieved by the components are that the sealing ring is arranged to prevent the gap between the box cover and the filter box, so that the coolant is not prone to leakage.

[0013] Preferably, the filter box is fixedly connected with positioning frames on both sides of the surface.

[0014] The effects achieved by the components are that the positioning frames are arranged to enable the box cover to be quickly and accurately installed on the filter box, and further improve the stability of the box cover.

[0015] Preferably, the surface of the filter device is provided with a stabilizing device, the stabilizing device comprises two fixed frames, the two fixed frames are fixedly connected with the surface of the liquid storage tank, the inner walls of the two fixed frames on the side close to each other are jointly inserted with an insertion plate, the insertion plate is fixedly connected with the surface of the filter box, the surfaces of the two fixed frames are respectively penetrated and inserted with screws, and the screws are screw-connected with the surface of the insertion plate.

[0016] The effects achieved by the components are that the position of the filter box is more stable and is not prone to loosening, so that the return flow of the coolant is better ensured, and the impurity filtering and removal of the filter device on the coolant are further ensured.

[0017] Preferably, a gasket is sleeved on the arc surface of the bolt, and the gasket abuts against the surface of the fixed frame.

[0018] The effects achieved by the components are that the gasket is arranged to enable the screw to be more stably installed on the fixed frame and not prone to loosening, and further improve the stability of the filter box.

[0019] Preferably, the surfaces of the two positioning frames are jointly fixedly connected with a supporting plate, and the cross section of the supporting plate is in a "U" shape.

[0020] The effects achieved by the components are that the supporting plate is arranged to further improve the connection relationship between the fixed frame and the filter box, so that the filter box can be more stably cooled and more stably used.

[0021] In summary, the beneficial effects of the utility model are that:

[0022] When the liquid cooling machine cools and lowers the temperature of the charging gun, the impurities in the coolant can be filtered and treated in time and quickly, so that the purity and effectiveness of the coolant are ensured, and the internal components of the liquid cooling machine are not prone to blockage, so that the charging gun can be better cooled, and the use effect and functionality of the liquid cooling machine are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0024] Figure 2 It is the three-dimensional structure schematic view of the filter device of the utility model;

[0025] Figure 3 It is the three-dimensional structure schematic view of the collecting frame position of the utility model;

[0026] Figure 4 It is the three-dimensional structure schematic view of the stabilizing device of the utility model.

[0027] Legend: 1, liquid cooling machine;2, liquid storage tank;3, pump machine;4, liquid outlet pipe;5, liquid return pipe;6, fan;7, heat exchanger;8, filter device;81, filter box;82, liquid inlet pipe;83, water pump;84, communication pipe;85, barrier net;86, box cover;87, fixed plate;88, bolt;89, connecting rod;810, collecting frame;811, filter screen;812, connecting rope;813, sealing ring;814, handle;815, positioning frame;9, stabilizing device;91, fixed frame;92, plugboard;93, screw;94, gasket;95, supporting plate. DETAILED DESCRIPTION

[0028] Referring to Figure 1 As shown in the figure, the embodiment discloses a kind of active liquid cooling device for high-voltage direct-current charging gun, including liquid cooling machine 1, the side surface of liquid cooling machine 1 is fixedly connected with liquid storage tank 2, the bottom of liquid storage tank 2 is provided with pump machine 3, the output end of pump machine 3 is fixedly connected with liquid outlet pipe 4, the surface of liquid cooling machine 1 is fixedly connected with fan 6, the side surface of liquid cooling machine 1 is fixedly connected with heat exchanger 7, the surface of liquid cooling machine 1 is provided with liquid return pipe 5, the surface of liquid storage tank 2 is provided with filter device 8, the surface of filter device 8 is provided with stabilizing device 9.

[0029] Referring to Figure 1 And Figure 2 And Figure 3As shown, the embodiment discloses a filter device 8, which comprises a filter box 81, the surface of the filter box 81 is fixedly connected with an inlet pipe 82, the inlet pipe 82 is fixedly connected with the surface of the liquid storage tank 2, the surface of one side of the filter box 81 is provided with a water pump 83, the input end of the water pump 83 is fixedly connected with the filter box 81, the output end of the water pump 83 is fixedly connected with a communication pipe 84, the communication pipe 84 is fixedly connected with the surface of the liquid storage tank 2, the inner wall of the liquid storage tank 2 is fixedly connected with a barrier net 85, and the horizontal height of the barrier net 85 is lower than the setting height of the inlet pipe 82 and the communication pipe 84, the surface of the filter box 81 is clamped with a box cover 86, the surface of the box cover 86 is fixedly connected with a fixed plate 87 on both sides, respectively, the surface of the fixed plate 87 is penetrated and inserted with a bolt 88, the bolt 88 is threadedly connected with the surface of the filter box 81, the surface of one side of the box cover 86 is fixedly connected with a connecting rod 89, one end of the connecting rod 89 is fixedly connected with a collection frame 810, and the side close to the water pump 83 of the collection frame 810 is fixedly connected with a filter screen 811, when the coolant is used to cool and lower the temperature of the high-voltage direct-current charging gun, first, the cooling machine is started, the pump 3 is operated, so that the coolant in the liquid storage tank 2 is extracted and enters the pipeline of the charging gun through the outlet pipe 4, and reaches the position of the charger gun head, then the coolant with heat enters the heat exchanger 7 through the liquid return pipe 5, and the heat is blown away through cooperation with the fan 6, and at the same time, the coolant returns to the liquid storage tank 2, at this time, the water pump 83 on one side of the filter box 81 can be started, through the operation of the water pump 83, and because the barrier net 85 in the liquid storage tank 2 is higher than the inlet pipe 82 and the communication pipe 84, the coolant and impurities in the liquid storage tank 2 enter the filter box 81 through the inlet pipe 82, then the impurities are intercepted in the filter box 81 through the interception and filtration of the filter screen 811 in the filter box 81, at the same time, the filtered coolant returns to the liquid storage tank 2 through the water pump 83 and the communication pipe 84, then when the impurities are cleaned, the bolt 88 is rotated, the box cover 86 is separated from the liquid storage tank 2, the collection frame 810 at one end of the connecting rod 89 of the box cover 86 is pulled out from the filter box 81, and the impurities in the inner wall of the collection frame 810 are treated, at this time, when the liquid cooling machine 1 cools and lowers the temperature of the charging gun, the impurities in the coolant can be filtered and treated in time and quickly, so that the purity and effectiveness of the coolant are ensured, and the internal components of the liquid cooling machine 1 are not easy to be blocked, so that the charging gun can be better cooled, and the use effect and functionality of the liquid cooling machine 1 are further improved.

[0030] Referring to Figure 1 and Figure 2 and Figure 3As shown, the bolt 88 is fixedly connected with the connecting rope 812 on the surface, the other end of the connecting rope 812 is fixedly connected with the surface of the fixed plate 87, through the setting of the connecting rope 812, the bolt 88 can be more convenient to take when in use, so that the box cover 86 is more conveniently fixed, and the bolt 88 is not easy to fall and lose, the surface of the box cover 86 is fixedly connected with the handle 814, the surface of the handle 814 is provided with a plurality of anti-skid protrusions, through the setting of the handle 814, the box cover 86 can be more convenient and fast when disassembling, so that the filtered impurities are more conveniently treated, and the convenience of use of the filtering device 8 is further improved.

[0031] Referring to Figure 1 and Figure 2 and Figure 3 As shown, the surface of the box cover 86 is fixedly connected with the sealing ring 813, the sealing ring 813 is a rubber ring, through the setting of the sealing ring 813, the box cover 86 and the filter box 81 are not easy to have a gap, so that the cooling liquid is not easy to leak, the surface of the filter box 81 is fixedly connected with the positioning frame 815 on both sides, the fixed plate 87 is inserted with the inner wall of the positioning frame 815, through the setting of the positioning frame 815, the box cover 86 can be more quickly and accurately installed on the filter box 81, and the stability of the box cover 86 is further improved.

[0032] Referring to Figure 1 and Figure 2 and Figure 4 As shown, the stability device 9 includes two fixed frames 91, the two fixed frames 91 are fixedly connected with the surface of the liquid storage tank 2 respectively, the inner wall side close to each other of the two fixed frames 91 is commonly inserted with the plug plate 92, the plug plate 92 is fixedly connected with the surface of the filter box 81, the surface of the two fixed frames 91 is respectively inserted with the screw 93, the screw 93 is threadedly connected with the surface of the plug plate 92, when the position of the filter box 81 on one side of the liquid storage tank 2 is reinforced, first, when the filter box 81 is installed, the plug plate 92 fixedly connected with the surface of the filter box 81 is inserted into the inner wall of the two fixed frames 91 on the surface of the liquid storage tank 2, then the screw 93 is inserted through the surface of the fixed frame 91, and then the bolt 88 is threadedly connected with the plug plate 92, at this time, the position of the filter box 81 is more stable and not easy to loosen, so that the conveying and backflow of the cooling liquid are better ensured, and the impurity filtering and removal of the cooling liquid by the filtering device 8 are further ensured.

[0033] Referring to Figure 1 and Figure 2 and Figure 4As shown, the embodiment discloses that the gasket 94 is sleeved on the arc surface of the bolt 88, the gasket 94 abuts against the surface of the fixed frame 91, the setting of the gasket 94 enables the screw 93 to be more stably installed on the fixed frame 91 without loosening, further improving the stability of the filter box 81, the surface of the two positioning frames 815 is fixedly connected with the supporting plate 95, the cross section of the supporting plate 95 is in the shape of "U", the setting of the supporting plate 95 further improves the connecting relationship between the fixed frame 91 and the filter box 81, so that the filter box 81 can more stably load the cooling liquid, and the stable use is more ensured.

[0034] Working principle: when the coolant is used to cool and lower the temperature of the high-voltage DC charging gun, first start the cooling machine, the pump 3 will run, so that the cooling liquid in the liquid storage tank 2 is extracted and enters the pipeline of the charging gun through the liquid outlet pipe 4, and reaches the position of the charger gun head, then the cooling liquid with heat enters the heat exchanger 7 through the liquid return pipe 5, and the heat is blown away through cooperation with the fan 6, at the same time, the cooling liquid returns to the liquid storage tank 2, at this time, the water pump 83 on one side of the filter box 81 can be started, through the operation of the water pump 83, and because the screen 85 in the liquid storage tank 2 is higher than the liquid inlet pipe 82 and the communication pipe 84, the cooling liquid and impurities in the liquid storage tank 2 will enter the filter box 81 through the liquid inlet pipe 82, then the impurities are intercepted in the filter box 81 through the interception and filtration of the filter screen 811, at the same time, the filtered cooling liquid returns to the liquid storage tank 2 through the water pump 83 and the communication pipe 84, then when the impurities are cleaned, rotate the bolt 88 to separate the box cover 86 from the liquid storage tank 2, lift the box cover 86, and the collecting frame 810 at one end of the connecting rod 89 on the box cover 86 is pulled out of the filter box 81, the impurities in the inner wall of the collecting frame 810 are treated, at this time, when the liquid cooling machine 1 cools and lowers the temperature of the charging gun, the impurities in the cooling liquid can be filtered and treated in time and quickly, so as to ensure the purity and effectiveness of the cooling liquid, and the internal components of the liquid cooling machine 1 are not easy to be blocked, so that the charging gun can be better cooled, and the use effect and functionality of the liquid cooling machine 1 are further improved.

[0035] When the position of the filter box 81 on one side of the liquid storage tank 2 is reinforced, first, when the filter box 81 is installed, the two ends of the plug-in board 92 fixedly connected to the surface of the filter box 81 are inserted into the inner walls of the two fixed frames 91 on the surface of the liquid storage tank 2, then the screw 93 is inserted into the surface of the fixed frame 91, and then the bolt 88 is threadedly connected with the plug-in board 92, at this time, the position of the filter box 81 is more stable and not easy to loosen, so that the return flow of the cooling liquid is better ensured, and the impurity filtration and removal of the cooling liquid by the filter device 8 are further ensured.

Claims

1. A high-voltage direct-current charging gun active liquid cooling device, comprising a liquid cooling machine (1), characterized in that: The side surface of the liquid cooling machine (1) is fixedly connected with a liquid storage tank (2), the bottom of the liquid storage tank (2) is provided with a pump (3), the output end of the pump (3) is fixedly connected with a liquid outlet pipe (4), the surface of the liquid cooling machine (1) is fixedly connected with a fan (6), the side surface of the liquid cooling machine (1) is fixedly connected with a heat exchanger (7), the surface of the liquid cooling machine (1) is provided with a liquid return pipe (5), the surface of the liquid storage tank (2) is provided with a filtering device (8), the filtering device (8) comprises a filtering box (81), the surface of the filtering box (81) is fixedly connected with a liquid inlet pipe (82), the liquid inlet pipe (82) is fixedly connected with the surface of the liquid storage tank (2), the side surface of the filtering box (81) is provided with a water pump (83), the input end of the water pump (83) is fixedly connected with the filtering box (81), the output end of the water pump (83) is fixedly connected with a communication pipe (84), the communication pipe (84) is fixedly connected with the surface of the liquid storage tank (2), the inner wall of the liquid storage tank (2) is fixedly connected with a screen (85), and the horizontal height of the screen (85) is lower than the setting height of the liquid inlet pipe (82) and the communication pipe (84), the surface of the filtering box (81) is clamped with a box cover (86), the surface of the box cover (86) is fixedly connected with a fixed plate (87) on both sides, a bolt (88) is inserted through the surface of the fixed plate (87), the bolt (88) is screwed with the surface of the filtering box (81), one side surface of the box cover (86) is fixedly connected with a connecting rod (89), one end of the connecting rod (89) is fixedly connected with a collection frame (810), and one side of the collection frame (810) close to the water pump (83) is fixedly connected with a filter screen (811).

2. The active liquid cooling device for high-voltage direct-current charging gun according to claim 1, characterized in that: The surface of the bolt (88) is fixedly connected with a connecting rope (812), and the other end of the connecting rope (812) is fixedly connected with the surface of the fixed plate (87).

3. The active liquid cooling device for high-voltage direct current charging gun according to claim 1, characterized in that: The surface of the box cover (86) is fixedly connected with a handle (814), and the surface of the handle (814) is provided with a plurality of anti-skid protrusions.

4. The active liquid cooling device for high-voltage direct current charging gun according to claim 1, characterized in that: The surface of the box cover (86) is fixedly connected with a sealing ring (813), and the sealing ring (813) is a rubber ring.

5. The active liquid cooling device for high-voltage direct current charging gun according to claim 1, characterized in that: The surface of the filtering box (81) is fixedly connected with a positioning frame (815) on both sides, and the fixed plate (87) is inserted with the inner wall of the positioning frame (815).

6. The active liquid cooling device for high-voltage direct current charging gun according to claim 1, characterized in that: The surface of the filtering device (8) is provided with a stabilizing device (9), the stabilizing device (9) comprises two fixed frames (91), the two fixed frames (91) are fixedly connected with the surface of the liquid storage tank (2), the inner walls of the two fixed frames (91) close to each other are commonly inserted with an insertion plate (92), the insertion plate (92) is fixedly connected with the surface of the filtering box (81), and the surfaces of the two fixed frames (91) are respectively inserted through a screw (93), and the screw (93) is screwed with the surface of the insertion plate (92).

7. The active liquid cooling device for high-voltage direct-current charging gun according to claim 6, characterized in that: A gasket (94) is sleeved on the arc surface of the bolt (88), and the gasket (94) abuts against the surface of the fixed frame (91). 8.The active liquid cooling device for high-voltage direct current charging gun according to claim 5, characterized in that: The surfaces of the two positioning frames (815) are fixedly connected with a supporting plate (95), and the cross section of the supporting plate (95) is in the shape of "U".

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