CN207790360U - A kind of charging pile of built in air switch - Google Patents

Abstract

The utility model is suitable for charging equipment technical field, provides a kind of charging pile of built in air switch, including shell, is set to the holder, circuit board and air switch of enclosure interior；Shell includes face-piece and bottom case, holder by including loading plate, be set to positive first wire connecting portion of loading plate, set on the second wire connecting portion of loading plate both sides, first wire connecting portion is equipped with multiple first wiring holes side by side, second wire connecting portion includes supporter and multiple second wiring holes on supporter, and loading plate, the first wire connecting portion and the second wire connecting portion are integrally formed；Circuit board is installed on bottom case and is equipped on loading plate and is electrically connected with the first wiring hole, and air switch is installed on bottom case and is connected to the back side of loading plate, is connect with the second wiring hole and circuit board.The charging pile makes air switch be connected to enclosure interior by simple and reliable structure, and circuit board is equally also connect with holder, is not required to add complicated connecting wire, easy to disassemble, failure rate is low, and safety is good, easy to maintain.

Description

A charging pile with a built-in air switch

technical field

The utility model belongs to the technical field of charging equipment, in particular to a charging pile with a built-in air switch.

Background technique

Charging equipment is equipment used to provide electrical energy for electronic devices. There are many types of charging equipment. With the development of electric vehicles, charging piles have emerged as the times require. Because they need to take into account the functions of charging, safety, and communication, their internal circuits The structure is more complicated. Charging piles are usually installed in outdoor charging stations. The operating environment is harsh, and the charging piles are usually in a high-current working state. Electricity safety becomes particularly important. The existing places equipped with charging piles must be equipped with air switches to ensure electricity safety. However, some air switches are set outside the charging pile and connected to the charging pile through wires. This kind of split connection is complex to assemble and has poor reliability. . There is also a charging pile that places the air switch inside the housing. Although the complexity of split assembly and potential safety hazards are solved, the internal circuit structure of the charging pile is complicated, and the connection between the air switch and other devices also makes the circuit more complicated. , so there is still room for improvement in terms of assembly efficiency and reliability of charging piles.

Utility model content

The purpose of the utility model is to provide a charging pile with a built-in air switch, aiming to solve the technical problems of low efficiency and poor reliability of the equipment installed in the traditional charging pile with an air switch.

The utility model is achieved in this way, a charging pile with a built-in air switch, including a housing, and a bracket, a circuit board and an air switch arranged inside the housing; the housing includes a surface shell and a bottom shell, the The bracket is made of insulating material, including a bearing plate, a first wiring part arranged on the front of the bearing plate, and two second wiring parts arranged on both sides of the bearing plate, and the first wiring parts are arranged side by side. A plurality of first wiring holes, the second wiring part includes a support body and a plurality of second wiring holes arranged on the support body, the first wiring holes are used to connect the equipment to be charged, and some of the second wiring holes The wiring hole is used to connect the external power supply, the bearing board, the first wiring part and the second wiring part are integrally formed; the circuit board is installed on the bottom case, and one end is mounted on the bearing board and connected to the The first wiring hole is electrically connected, and the air switch is installed on the bottom case and connected to the back of the bearing plate, and is electrically connected with the second wiring hole and the circuit board.

Further, the first wiring part is provided with a plurality of first installation holes, and the second connection part is provided with a plurality of second installation holes, and the first connection holes and the first installation holes are in one-to-one correspondence and vertically penetrated. connection, the second wiring hole corresponds to the second installation hole and is connected vertically through.

Further, a hollow conductive element is provided in the first wiring hole, and a first conductive hole corresponding to the first installation hole is opened in the front section of the conductive element, and a screw is inserted into the first installation hole and the first installation hole. The first conductive hole extends into the inside of the conductive element and abuts against the external wiring; the circuit board is provided with a second conductive hole corresponding to the conductive element, and a screw passes through the second conductive hole to abut against the conductive element. The conductive element is used to electrically connect the circuit board to the conductive element.

Further, the back of the bearing plate is provided with a limiting member for limiting the connection of the air switch, and the bearing plate isolates the circuit board and the air switch; the limiting member includes a Vertically connected first front limiting plate, second front limiting plate and rear limiting plate, the shapes of the first front limiting plate and the second front limiting plate match the shape of the front end of the air switch, so The first front limiting plate and the second front limiting plate are arranged at intervals so that the front end of the air switch is exposed; the front and rear sides of the rear limiting plate are provided with guiding parts that are narrow at the bottom and wide at the top.

Further, the bottom of the first front limiting plate and the bottom of the second front limiting plate are flush with the bottom of the support body, the first front limiting plate, the second front limiting plate The plate is integrally connected with the support body, and the bottom of the support body is grooved inward to form a hollow structure.

Further, the two side ends of the bearing plate extend vertically to the front and the back with side flanges, and the rear end of the bearing plate vertically extends to the back with rear flanges; the side flanges The width of the front part is larger than the width of the rear part, the front part of the side flange is connected with the support body, the bottom of the front part of the side flange is connected with the first front limiting plate, the second front The bottoms of the limiting plate and the support body are flush.

Further, the two sides of the air switch are provided with a third wiring hole, and the front end of the air switch is provided with a third installation hole vertically connected to the third wiring hole; the air switch is connected through a conductive The connecting piece is connected with the bracket, one end of the connecting piece is inserted into the third wiring hole, and the screw penetrates into the third mounting hole to abut against one end of the connecting piece, and the other end of the connecting piece is connected to The second wiring hole abuts against the other end of the connecting piece through the second installation hole through a screw.

Further, the side flange is provided with a first escape notch corresponding to the connecting piece, and the first front limiting plate and the second front limiting plate are provided with a second avoidance notch corresponding to the third installation hole.

Further, the side flange is provided with a limit block for limiting the horizontal movement of the circuit board, and the circuit board is provided with a limit hole for the limit block to pass through.

Further, the support body includes a first support block and a second support block stacked in a stepped shape, and the first support block and the second support block are both provided with the second wiring hole and the second installation hole, The upper surface of the second supporting block is flush with the upper surface of the first wiring part.

The charging pile provided by the utility model has the following technical effects: a bracket is set in the casing, and the bracket integrates a plurality of first wiring holes and second wiring holes, integrating support and electrical connection into one, and the air switch can be installed on the bracket On the back, connect with the second wiring hole on the bracket. On the one hand, the air switch is connected to the inside of the housing through a simple and reliable structure, without adding complicated connecting wires, which is easy to disassemble and has a low failure rate, which improves the safety of the charging pile and is easy to maintain; on the other hand, the charging pile The pile is directly equipped with an air switch to avoid potential safety hazards caused by the operator not installing the air switch; on the other hand, the circuit board is also connected to other devices and external wiring through the bracket, so that there will be no complicated wires inside the charging pile, and further Improve equipment reliability and maintenance convenience, while reducing operating costs.

Description of drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a charging pile provided by an embodiment of the present invention;

Fig. 2 is a schematic diagram of an exploded structure of the charging pile provided by the embodiment of the present invention;

Fig. 3 is a schematic diagram of another exploded structure of the charging pile provided by the embodiment of the present invention;

Fig. 4 is a structural schematic diagram of an angle of the bracket of the charging pile provided by the embodiment of the present invention;

Fig. 5 is a schematic diagram of the structure of the bracket and the circuit board of the charging pile provided by the embodiment of the present invention;

Fig. 6 is a schematic structural diagram of the bracket and the air switch of the charging pile provided by the embodiment of the present invention;

Fig. 7 is a schematic structural view of the charging pile bracket, air switch and connectors provided by the embodiment of the present invention;

Fig. 8 is a structural schematic diagram of another angle of the bracket of the charging pile provided by the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when a component is referred to as being “fixed on” or “disposed on” another component, it may be directly or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are for convenience of description only, rather than indicating or implying the referred device Or elements must have a particular orientation, be constructed and operate in a particular orientation and therefore should not be construed as limiting this patent. The terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of technical features. "Plurality" means two or more, unless otherwise clearly and specifically defined.

In order to illustrate the technical solution described in the utility model, the following will be described in detail in conjunction with specific drawings and embodiments.

Please refer to Fig. 1 to Fig. 3, the embodiment of the utility model provides a charging pile with a built-in air switch, including a housing 10, and a bracket 20, a circuit board 30 and an air switch 40 arranged inside the housing 10; the housing 10 Including the front case 11 and the bottom case 12, the bracket 20 is made of insulating material, including a carrier board 21, a first connection part 22 arranged on the front of the carrier board 21, and two second connection parts 23 arranged on both sides of the carrier board 21 , the first wiring part 22 is provided with a plurality of first wiring holes 221 side by side, the second wiring part 23 includes a support body 231 and a plurality of second wiring holes 232 arranged on the support body 231, and the first wiring hole 221 is used for connecting For the device to be charged, a part of the second wiring hole 232 is used to connect to an external power source, and the other part of the second wiring hole can be used for electrical connection between the air switch 40 and the circuit board 30 , and can also be used as a spare wiring hole. The carrier board 21, the first connection part 22 and the second connection part 23 are integrally formed; the circuit board 30 is installed on the bottom case 12, and one end is mounted on the carrier board 21 and electrically connected to the first connection hole 221, and the air switch 40 is installed It is on the bottom case 12 and connected to the back of the carrier board 21 , and is electrically connected to the second connection hole 232 and the circuit board 30 . Specifically, corresponding conductive structures can be provided on the first wiring hole 221 and the second wiring hole 232 of the bracket 20, and the circuit board 30 and the air switch 40 can be mounted on the bracket 20, and pass through the first wiring hole on the bracket 20. Structures such as the first wiring hole 221 and the second wiring hole 232 realize electrical connection, avoiding the use of a large number of wires and switches and other devices. The plurality of first wiring holes 221 and the plurality of second wiring holes 232 are preferably of the same size and in the same opening direction, which is convenient for molding and makes the structure of the bracket 20 more compact.

In the circuit connection, the external power supply is introduced into the second wiring part 23 on one side, connected to the connector 60 through the corresponding conductive parts, and then connected to the air switch 40, the air switch 40 is electrically connected to the circuit board 30, and then connected by the circuit board 30 Multiple first wiring holes 221 .

The insulating material of the bracket 20 is preferably a heat-resistant, high-strength and easy-to-form material, which is suitable for use in the charging pile. The carrier plate 21 and the support body 231 are used as the main structure of the bracket 20 to provide support, and can connect the air switch 40 and the circuit board 30 and the integrated wiring structure. The whole bracket 20 is compact in structure and small in size. Because the support 20 is provided, the air switch 40 can be connected to the back of the support 20 when it is placed in the housing 10, and form an integral body with the support 20, and realize circuit connection through the second wiring hole 232 on the support 20 without using open wires. .

The charging pile provided by the embodiment of the utility model has the following technical effects: a bracket 20 is set in the housing 10, and the bracket 20 integrates a plurality of first wiring holes 221 and second wiring holes 232, and the set support and electrical connection act on In one piece, the air switch 40 can be installed on the back of the bracket 20 and connected to the second wiring hole 232 on the bracket 20 and the circuit board 30 . On the one hand, the air switch 40 is connected to the inside of the housing 10 through a simple and reliable structure, without adding complicated connecting wires, which is convenient for disassembly and assembly, has a low failure rate, improves the safety of the charging pile, and is convenient for maintenance; on the other hand , the charging pile is directly equipped with an air switch 40 to avoid potential safety hazards caused by the operator not installing the air switch 40; on the other hand, the circuit board 30 is also connected to other devices and external wiring through the bracket 20, so that the inside of the charging pile will not The emergence of complicated wires further improves the reliability of equipment and the convenience of maintenance, while reducing operating costs.

It should be pointed out that in the embodiment of the present utility model, the orientation words "front", "back", "front", "rear", "upper" and "lower" are all relative orientation concepts, based on Figure 4 and Figure 8 In the structure of the bracket 20 shown, the "front" is the side of the carrier board 21 facing the circuit board 30, the "back" and the "front" are opposite sides of each other, and the "front" is the first wiring hole 221 and the second wiring hole 232 in FIG. 4 As for the facing directions, "front" and "rear" are mutually opposite directions, "up" is the direction of one side where the middle carrier board 21 is provided with the circuit board 30, and "up" and "down" are mutually opposite directions. Each term has no restrictive effect, but is only used to describe the position and connection relationship conveniently. When the placement position of the charging pile changes, the terminology of each position is not used as a limitation for judging the position of the corresponding component.

Further, the bracket 20 can completely realize wire-free connection. Specifically, the first wiring part 22 is opened with a plurality of first installation holes 222, and the second wiring part 23 is opened with a plurality of second installation holes 232. The first wiring The holes 221 correspond to the first installation holes 222 and are vertically connected through each other, and the second wiring holes 232 and the second installation holes 232 correspond to each other and are vertically connected through each other. In this way, conductive screws 50 can be used to pass through the first mounting hole 222 or the second mounting hole 232, abut against the wires extending into the first wiring hole 221 or the second wiring hole 232, and then extend into the first wiring hole. 221 or the wiring in the second wiring hole 232 is connected to the structure (such as the circuit board 30 ) connected to the other end of the screw 50 . This electrical connection structure is simpler and more reliable than wire connection, and has a compact structure.

Further preferably, as shown in FIG. 5 , the first wiring holes 221 are columnar through holes, and each first wiring hole 221 is provided with a conductive element 24 inside. The conductive element 24 may be a conductive element attached to the inner surface of the first wiring hole 221. The layer can also be a hollow cylindrical structure matching the shape of the first wiring hole 221. In order to facilitate the connection to the circuit board 30, the conductive element 24 is preferably a hollow cylindrical conductive column structure, which itself has a certain strength and can be used. The circuit board 30 is supported. The front section of the conductive element 24 is provided with a first conductive hole 241 corresponding to the first mounting hole 222, the first mounting hole 222 and the first conductive hole 241 can be penetrated by the screw 50, and the rear section of the conductive element 24 is exposed. The circuit board 30 is mounted on it.

Specifically referring to Fig. 5, the rear end of the first wiring part 22 continues to extend outward along each first wiring hole 221, and the rear section of the conductive element 24 is arranged in the first wiring groove 223, and its surface is exposed, and the circuit board 30 can just overlap on a plurality of conductive elements 24 arranged side by side. Correspondingly, a second conductive hole 31 is opened on the circuit board 30, and the screw 50 passes through the second conductive hole 31 to abut against the outer surface of the conductive element 24, so that the circuit board 30 is connected to the conductive element 24 through the screw 50, When the front section of the conductive element 24 is inserted into the external circuit, the screw 50 passing through the first mounting hole 222 and the first conductive hole 241 abuts against the external circuit, so that the circuit board 30 can be connected by two screws 50 and one conductive element 24. and external line connection. Each of the first wiring holes 221 realizes the electrical connection between the circuit board 30 and the external circuit through the same structure, and one charging pile can be externally connected to multiple (the number of the first wiring holes 221 ) devices to be charged at the same time.

In this embodiment, as shown in Fig. 4 and Fig. 8, both the first mounting hole 222 and the second mounting hole 232 are counterbore holes. After the screw 50 is inserted, its nut is hidden inside, that is, the surface of the screw 50 is lower than the first mounting hole. The surface of the area around the mounting hole 222 and the second mounting hole 232, in this way, different screws 50 are effectively isolated to avoid accidental connection and short circuit.

Further referring to FIG. 6 and FIG. 7 , in order to realize the fixing of the air switch 40 , the back side of the bearing plate 21 is provided with a limiting member for limiting and connecting the air switch 40 , and the bearing plate 21 isolates the circuit board 30 and the air switch 40 . The spacer includes a first front spacer plate 25, a second front spacer plate 26 and a rear spacer plate 27 vertically connected to the back side of the carrier plate 21, the first front spacer plate 25 and the second front spacer plate 26 The shape of the air switch 40 matches the shape of the front end of the air switch 40. The first front limiting plate 25 and the second front limiting plate 26 are spaced so that the front end of the air switch 40 is exposed, specifically its switch and other operating parts. The front and rear sides of the rear limiting plate 27 are all provided with guiding parts with a narrow bottom and a wide top. The front of the rear limiting plate 27 is provided with a guide portion 271, which is convenient for installing the air switch 40 on the back of the carrier plate 21.

More specifically, the first front limiting plate 25 and the second front limiting plate 26 both include two vertically connected plates for adapting to the two right-angled parts of the front end of the air switch 40, and the rear limiting plate 27 is flat. , to adapt to the plane shape behind the air switch 40. As shown in Figure 8, the first front limiting plate 25 includes a first right-angle plate 251, which is adapted to a right-angle portion of the front end of the air switch 40, and the edge of the first right-angle plate 251 is also protruded with a second An abutting strip 2511, the first abutting strip 2511 is in direct contact with the surface of the air switch 40, so that there is a gap between the inner surface of the first right-angle plate 251 and the outer surface of the air switch 40, thereby preventing the contact area from being too large And friction is generated, and it is good for air circulation and thus good for heat dissipation. Similarly, the second front limiting plate 26 includes a second right-angled plate 261, which is adapted to another right-angled part of the front end of the air switch 40, and the edge of the second right-angled plate 261 is also protruded with a second right-angled plate 261. Two abutting strips 2611, the second abutting strip 2611 is directly in contact with the surface of the air switch 40, so that there is a gap between the inner surface of the second rectangular plate 261 and the outer surface of the air switch 40, which is beneficial to heat dissipation and protect the air switch 40.

Further referring to FIG. 8 , the first abutting strip 2511 and the second abutting strip 2611 are respectively provided with a first guiding surface 2512 and a second guiding surface 2612, so as to avoid the first The right-angle plate 251 and the second right-angle plate 261 damage the surface of the air switch 40 , and facilitate the alignment insertion between the first right-angle plate 251 and the second right-angle plate 261 and the air switch 40 .

As shown in Figure 7, the above-mentioned limiting member is only used to limit the movement of the air switch 40. In terms of the connection between the air switch 40 and the bracket 20, a copper sheet with a certain rigidity is used as the connecting piece 60, and one end of the connecting piece 60 is connected to the air. The other end of the switch 40 is connected to the second wiring hole 232 of the support body 231. The connector 60 is the only exposed wire, but the copper sheet has good reliability, high strength, and a small number, which will not cause complicated circuits and failures, and the connection The part 60 also undertakes the role of fixing the air switch 40 on the back of the bracket 20, and is hidden behind the bracket 20 without affecting the assembly.

Referring specifically to Fig. 7, the two sides of the air switch 40 are respectively provided with a third wiring hole 41, and the front of the air switch 40 is provided with a third installation hole 42 perpendicular to the third wiring hole 41, and one end of the connector 60 is inserted into the third wiring hole 41, use the screw 50 to extend into the third mounting hole 42 to abut against the connecting piece 60, fix one end of the connecting piece 60 on the air switch 40 and connect with the internal circuit of the air switch 40. Connect the other end of the connecting piece 60 to the second wiring hole 232 on the support body 231 of the bracket 20, and use the screw 50 to penetrate the second mounting hole 232 to abut against the other end of the connecting piece 60, so that the other end of the connecting piece 60 is fixed. to bracket 20. In this way, one second wiring portion 23 of the bracket 20 can be used to introduce an external power supply, and the other second wiring portion 23 can be used to realize the connection between the air switch 40 and the circuit board 30 . The external power supply is introduced into the second connection hole 232 of the second connection part 23 on one side, input into the air switch 40 through the connection piece 60 on this side, and then output through the third connection hole 41 of the air switch 40, and then transmitted to the other side by the connection piece 60. The second wiring hole 232 on the second wiring portion 23 on one side is electrically connected to the circuit board 30 , and then the circuit board 30 performs multiple outputs for charging the device to be charged. Specifically, the connecting piece 60 is Z-shaped, which is convenient for connection.

Further referring to Fig. 6, in order to stabilize the main body structure of the bracket 20, the bottom of the first front limiting plate 25 and the bottom of the second front limiting plate 26 are flush with the bottom of the support body 231, the first front limiting plate 25, the second The two front limiting plates 26 are integrally connected with the supporting body 231 . In addition, the bottom of the support body 231 has a polygonal structure and is hollowed out by slotting inwards. On the one hand, stable support is achieved through the polygonal structure, and on the other hand, the slotting reduces the weight of the entire bracket 20 and saves materials. In addition, the supporting body 231 is located on both sides of the entire bracket 20, and its outer shape needs to match the bottom case 12 of the charging pile. For example, a concave vertical groove 234 is formed on the outer side of the supporting body 231 to avoid corresponding structure.

Further referring to Fig. 6, the two side ends of bearing plate 21 vertically extend to its front and back with side end convex edge 211, the rear end of bearing plate 21 vertically extends to its back side with rear end convex edge 212, side end convex edge 211 The air switch 40 is surrounded by the raised edge 212 at the rear end, and the rear limiting plate 27 is parallel to the raised edge 212 at the rear end. The width of the front part of the side protruding edge 211 is greater than the width of the rear part, and the front parts of the two side protruding edges 211 are integrally connected with the support body 231 respectively, and the bottom of the front part is connected with the first front limiting plate 25, the first The bottoms of the two front limiting plates 26 and the support body 231 are flush to further stabilize the structure of the bracket 20 and make it more compact.

As further shown in FIG. 6 and FIG. 7 , a first avoidance notch 28 is defined at the lower part of the side end flange 211 for avoiding the connecting piece 60 connected to the air switch 40 . Similarly, a second escape notch 29 is provided on the first front limiting plate 25 and the second front limiting plate 26 for avoiding the third mounting hole 42 .

Further referring to FIG. 5 , a limit block 213 for limiting the horizontal movement of the circuit board 30 is respectively provided at the upper ends of the two side protruding edges 211. Correspondingly, a limit hole 32 is provided on the circuit board 30. When the circuit board 30 When installed on the bracket 20 , the limiting block 213 passes through the limiting hole 32 to avoid horizontal displacement of the circuit board 30 . The vertical displacement of the circuit board 30 is limited by the connection structure on the bottom case 12 .

With further reference to FIG. 4 , the support body 231 includes a first support block 2311 and a second support block 2312 stacked in a stepped manner, the second support block 2312 is located above the first support block 2311 and retracted backward, the first support block 2311 and the second support block 2312 The second support block 2312 is provided with a second wiring hole 232 and a second installation hole 232. This stepped structure can open more wiring holes in a limited space, and has a compact structure and a high degree of circuit integration. In addition, the upper surface of the second supporting block 2312 is flush with the upper surface of the first wiring part 22 , which makes the structure of the bracket 20 reasonable and beautiful on the one hand, and facilitates the covering of the surface case 11 on the other hand.

Referring to FIG. 3 , the housing 10 of the charging pile includes a surface case 11 and a bottom case 12 , which are fastened together. The circuit board 30 is mounted on the bottom case 12 , and one end is mounted on the supporting board 21 of the bracket 20 . The bottom case 12 is provided with several buckles 13, and the edge of the circuit board 30 is fastened by the buckles 13, and a connecting post 14 can also be set on the bottom case 12, and a hole is opened on the circuit board 30 for the connecting post 14 to pass through. The above-mentioned limiting hole 32 can also be further provided on the circuit board 30 to cooperate with the limiting block 213 on the bracket 20 to limit the movement of the circuit board 30 . Further, in order to facilitate assembly, a grab position 33 for the robot to grab can also be provided on the edge of the circuit board 30 . In order to avoid the corresponding structure on the bottom case 12 , the circuit board 30 needs to have a corresponding avoidance gap, so as to make the whole machine compact and beautiful.

Further, the circuit board 30 is a highly integrated circuit board 30 with no visible lines on its surface, and its circuits are all formed inside the circuit board 30, and the front of the circuit board 30 is provided with a switch 34 and a safety element 35, and one switch 34 corresponds to one The insurance element 35 and a first wiring hole 221 control the switch and safety of a charging circuit. The circuit between the switch 34 and the insurance element 35 is formed in the circuit board 30, and the circuit between the insurance element 35 and the first wiring hole 221 A part is formed in the circuit board 30 , and a part is formed by the screw 50 , the second conductive hole 31 of the circuit board 30 and the conductive element 24 , without any exposed wires.

Further referring to FIG. 3 , an operation panel assembly 15 for human-computer interaction is also provided on the face shell 11 , which includes a keypad and a card swiping board, and the operation panel assembly 12 is connected to the circuit board 30 . The circuit board 30 is also provided with a display 36 , the cover 11 is provided with a window 111 corresponding to the display 36 , and the window 111 is provided with a transparent cover 112 . The casing 10 is integrally injection-molded with plastic, which has good safety, high strength, light weight and low cost.

Further referring to FIG. 3 , the front case 11 includes an upper case 113 and a lower case 114 , and the bottom case 12 is divided into two regions by a partition 16 , one of which is spaced correspondingly to the upper case 113 for accommodating a large space for the circuit board 30 . Part of the functional area, the space where the lower shell 114 is fastened with another area of the bottom shell 12 is used for installing the bracket 20 , the air switch 40 and the connection between the circuit board 30 and the bracket 20 . The upper shell 113 and the lower shell 114 are butted up and down, and the joint space between the upper shell 113 and the bottom shell 12 is highly sealed, and the joint space between the lower shell 114 and the bottom shell 12 is slightly less sealed. The upper case 113 and the lower case 114 can be opened separately for maintenance. The bracket 20 is the main carrier for internal and external electrical connections, and the waterproof requirement of the bracket 20 and the air switch 40 is slightly lower than that of the main functional area of the circuit board 30, so it is installed in the space where the lower case 114 and the bottom case 12 are fastened together. Easy maintenance and easy wiring.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A charging pile with a built-in air switch, characterized in that it includes a housing, and a bracket, a circuit board and an air switch arranged inside the housing; the housing includes a surface shell and a bottom shell, and the bracket Made of insulating material, it includes a loading board, a first wiring part arranged on the front of the loading board, and two second wiring parts arranged on both sides of the loading board, and the first wiring part is arranged side by side with multiple The first wiring hole, the second wiring part includes a support body and a plurality of second wiring holes arranged on the support body, the first wiring hole is used to connect the device to be charged, and part of the second wiring hole For connecting an external power supply, the carrier board, the first wiring part and the second wiring part are integrally formed; the circuit board is installed on the bottom case, and one end is mounted on the carrier board and connected to the first The wiring hole is electrically connected, and the air switch is installed on the bottom case and connected to the back of the bearing plate, and is electrically connected with the second wiring hole and the circuit board. 2. The charging pile according to claim 1, wherein a plurality of first installation holes are opened in the first connection part, a plurality of second installation holes are opened in the second connection part, and a plurality of second installation holes are opened in the first connection part. The wiring holes correspond to the first installation holes and are vertically connected through each other, and the second wiring holes correspond to the second installation holes and are vertically connected through each other. 3. The charging pile according to claim 2, wherein a hollow conductive element is provided in the first wiring hole, and a first conductive hole corresponding to the first installation hole is provided in the front section of the conductive element. holes, through which screws penetrate the first installation hole and the first conductive hole and extend into the inside of the conductive element, and abut against the external wiring; the circuit board is provided with a second conductive hole corresponding to the conductive element, through The screw abuts against the conductive element through the second conductive hole, and electrically connects the circuit board with the conductive element. 4. The charging pile according to any one of claims 1 to 3, characterized in that, the back of the bearing plate is provided with a limiting member for limiting the connection of the air switch, and the bearing plate isolates the circuit board from the The air switch; the limiting member includes a first front limiting plate, a second front limiting plate and a rear limiting plate vertically connected to the back of the bearing plate, the first front limiting plate and the second limiting plate The shape of the two front limit plates matches the shape of the front end of the air switch, and the first front limit plate and the second front limit plate are spaced so that the front end of the air switch is exposed; the rear limit plate Both the front and rear sides of the board are provided with guide parts that are narrow at the bottom and wide at the top. 5. The charging pile according to claim 4, wherein the bottom of the first front limiting plate and the bottom of the second front limiting plate are flush with the bottom of the support body, and the first A front limiting plate, the second front limiting plate and the supporting body are integrally connected, and the bottom of the supporting body is grooved inward to form a hollow structure. 6. The charging pile according to claim 4, characterized in that, the two side ends of the bearing plate vertically extend to the front and the back of the side edge, and the rear end of the bearing plate extends vertically to the back There is a rear edge; the width of the front portion of the side edge is greater than the width of the rear portion, the front portion of the side edge is connected to the support body, and the bottom of the front portion of the side edge is It is flush with the bottom of the first front limiting plate, the second front limiting plate and the support body. 7. The charging pile according to claim 6, wherein a third wiring hole is provided on both sides of the air switch, and a third wiring hole vertically connected to the third wiring hole is provided at the front end of the air switch. Three installation holes; the air switch is connected to the bracket through a conductive connector, one end of the connector is inserted into the third wiring hole, and the screw penetrates into the third installation hole to abut against the connection One end of the connecting piece, the other end of the connecting piece is connected to the second wiring hole, and abuts against the other end of the connecting piece through the second mounting hole through a screw. 8. The charging pile according to claim 7, wherein a first avoidance gap is formed corresponding to the connecting piece along the side end flange, and the first front limiting plate and the second front limiting plate correspond to each other. The third mounting hole is provided with a second escape notch. 9. The charging pile according to claim 6, characterized in that, a limit block for restricting the horizontal movement of the circuit board is provided on the protruding edge of the side end, and a limit block is provided on the circuit board for the limit block to pass through. through the limit hole. 10. The charging pile according to claim 2 or 3, characterized in that, the support body includes a first support block and a second support block stacked in a stepped manner, and the first support block and the second support block are both set There are the second wiring hole and the second installation hole, and the upper surface of the second supporting block is flush with the upper surface of the first wiring part.