CN219106643U

CN219106643U - Safety self-power-off device for electric vehicle charger

Info

Publication number: CN219106643U
Application number: CN202222550684.5U
Authority: CN
Inventors: 张红海; 屈扬
Original assignee: Xianyang Sanjing Polytron Technologies Inc
Current assignee: Xianyang Sanjing Polytron Technologies Inc
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-30
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a safe self-power-off device of an electric vehicle charger, and relates to the technical field of power supply devices. The charging pile comprises a charging pile, wherein the front surface of the charging pile is provided with a movement blocking mechanism, the movement blocking mechanism is used for preventing a vehicle from sliding in a charging process, the right side surface of a charging pile shell is fixedly provided with a charging interface communicated with an internal circuit, a plug is inserted into the charging interface, the free end of the plug is connected with a charging connector through an electric wire, the charging pile is provided with a separation power-off assembly at the joint of the charging interface, the separation power-off assembly is used for separating the charging interface from the plug, and a trigger assembly for providing power and triggering actions for the separation power-off assembly is arranged in the charging pile and the movement blocking mechanism. According to the utility model, when the vehicle moves without pulling out the charging connector, the triggering component triggers the separation power-off component to separate the charging connector from the plug.

Description

Safety self-power-off device for electric vehicle charger

Technical Field

The utility model relates to the technical field of power supply devices, in particular to a safe self-power-off device of an electric vehicle charger.

Background

With the development of the electric vehicle industry, the holding capacity of electric vehicles rises year by year, so the requirements on the charging piles and the requirements on the functions of the charging piles are increasing. The charging pile is arranged in a fixed area, the circuit and the connector are used for connecting the connector with the connector on the electric vehicle, the electric vehicle is charged, when the charging pile is used, the connector arranged by the plug is always provided with a certain connection strength with the connector of the vehicle in order to prevent the plug from falling off and other problems, if the connector of the vehicle is arranged on the side face, the connector cannot be directly separated from the connector by linear movement, when the vehicle is in a running state without pulling out the plug, the pulling force of the vehicle can be directly transmitted to the connector, the electric wire connected with the connector and the charging pile, a certain amount of damage effect is generated, the charging pile is easily damaged in a short period, and if the electric wire is pulled off, the wire core of the electric wire is directly exposed outside without power off, so that the safety problem is more easily caused.

Therefore, a safe self-power-off device for an electric vehicle charger is provided.

Disclosure of Invention

The utility model aims at: the utility model provides a safe self-power-off device of an electric vehicle charger, which aims to solve the problem that a vehicle is damaged when a plug is not pulled out for running.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides an electric motor car charger safety is from outage device, includes fills electric pile, the front of filling electric pile is provided with removes the hindrance mechanism, remove the hindrance mechanism and be used for preventing that the vehicle from swift current car in the charging process, the right flank fixed mounting of filling electric pile shell has the interface that charges with internal circuit intercommunication, it has the plug to insert on the interface that charges, the free end of plug has the joint that charges through the wire connection, it is in to fill electric pile the junction of interface is provided with separation outage subassembly, separation outage subassembly is used for letting the interface that charges with the plug separates, fill electric pile with remove and be provided with in the hindrance mechanism and be provided with for separation outage subassembly provides power and trigger the trigger assembly of action.

Further, remove the hindrance mechanism and include embedded frame, frame apron, telescopic equipment, lift section of thick bamboo, push rod and hindrance board, the top surface opening of embedded frame just frame apron fixed mounting is at its roof, telescopic equipment fixed mounting is in the bottom surface inner wall of embedded frame, lift section of thick bamboo fixed connection is in telescopic equipment's transmission shaft, two recesses have been seted up to the inside of lift section of thick bamboo left and right sides, and two the recess respectively with one the push rod embolias, the push rod be down T style of calligraphy and the top run through in the top surface of lift section of thick bamboo, two the top of push rod all with one the hindrance board fixed connection, push rod bottom surface fixedly connected with spring, the hole is all seted up on the side about the frame apron top surface and embolias with the hindrance board of relevant position.

Further, the separation outage subassembly is including connecting the lantern ring, the inserted bar, pressing out the pad and shift out the pole, the shell right flank of charging pile seted up the hole just connect lantern ring fixed connection, charging interface fixed connection is in connect the inner circle of lantern ring, connect the front and back end of lantern ring right flank all seted up L type recess, the front and back face of plug all with be the zigzag the L type recess block of corresponding position on the lantern ring is connected to the free end of inserted bar, L type recess corresponds the wall of inserted bar free end with one pressing out the pad fixed connection, connect the inside front and back end on lantern ring right side all seted up the spread groove, the slide groove inner wall with shift out the pole and embolia, shift out the pole cross-section be T style of calligraphy and right-hand member run through in connect the lantern ring and with the inserted bar corresponds, shift out the pole pass through the spring with the inner wall connection of slide groove.

Further, the trigger assembly includes first communicating pipe, second communicating pipe and third communicating pipe, second communicating pipe sets up in the inside of charging pile shell, second communicating pipe bottom runs through the diapire of charging pile shell, the one end that is located in the charging pile shell of communicating pipe and two communicating pipe three fixed connection and intercommunication, third communicating pipe also is located the inside of charging pile shell, two the free end of third communicating pipe is provided with two passageways and all runs through charging pile's shell with connect the lantern ring, and with corresponding side press out the pad with the sliding tray intercommunication, first communicating pipe the quantity be two and with second communicating pipe's bottom fixed connection and intercommunication.

Further, the trigger assembly further comprises a contact supporting rod, a trigger rod and an elastic pad, the contact supporting rod is fixedly connected to the back of the lifting cylinder, the trigger rod is hinged to the back bottom sides of the two blocking plates, the bottom surface of the trigger rod is in contact with the top end of the contact supporting rod, the elastic pad is fixedly connected to the inner wall of the back of the embedded frame and is located above the trigger rod, and one free end of the communicating pipe is fixedly connected with the embedded frame and is communicated with the elastic pad.

Further, the right side of charging pile shell is fixedly connected with a protection cylinder, the protection cylinder will charge the interface with the plug parcel, protection cylinder openly with the side opening and articulated have the cover.

The beneficial effects of the utility model are as follows:

1. when the vehicle moves without pulling out the charging connector, the triggering component triggers the separation power-off component to separate the charging connector from the plug, so that the moving vehicle can leave together with the charging connector, the electric wire and the plug, firstly, damage to the electric wire and other structures caused by pulling force when the vehicle moves is avoided, damage to the charging pile and the internal circuit thereof is also avoided, secondly, the vehicle takes away the charging connector and other structures, and the habit that a user of the vehicle is charged without pulling out the charging connector can be avoided through follow-up responsibility following.

2. When the vehicle is not pulled out of the charging connector and goes out of the charging area, the spring in the lifting cylinder enables the blocking plate to descend through compression deformation, and the driver is prompted through the sense of pause generated by the descent, and the elastic pad injects hydraulic oil into the extrusion pad to separate the charging connector from the plug, so that the charging connector and the plug are separated in a full-automatic mode to perform power-off operation, and a protection effect is achieved on the charging pile.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the buried frame of the present utility model;

FIG. 3 is a schematic view of the top cross-sectional structure of the housing of the charging stake of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A in accordance with the present utility model;

reference numerals: 1. charging piles; 2. a movement blocking mechanism; 201. a buried frame; 202. a frame cover plate; 203. a telescoping device; 204. a lifting cylinder; 205. a push rod; 206. a blocking plate; 3. separating the power-off assembly; 301. a connecting collar; 302. a rod; 303. pressing out the pad; 304. a removal lever; 4. a trigger assembly; 401. a first communicating pipe; 402. a second communicating pipe; 403. a third communicating pipe; 404. a touch-up rod; 405. a trigger lever; 406. an elastic pad; 5. a charging interface; 6. a plug; 7. a protective cylinder; 8. an L-shaped groove; 9. a sliding groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In describing embodiments of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1, an electric vehicle charger safety self-power-off device comprises a charging pile 1, wherein a movement blocking mechanism 2 is arranged on the front surface of the charging pile 1, the movement blocking mechanism 2 is used for preventing a vehicle from sliding in a charging process, a charging interface 5 communicated with an internal circuit is fixedly arranged on the right side surface of a shell of the charging pile 1, a plug 6 is inserted into the charging interface 5, a charging connector is connected with the free end of the plug 6 through an electric wire, the charging connector is used for being connected with a charging port of the vehicle, a separation power-off assembly 3 is arranged at the joint of the charging interface 5, the separation power-off assembly 3 is used for separating the charging interface 5 from the plug 6, and a trigger assembly 4 for providing power and triggering actions for the separation power-off assembly 3 is arranged in the charging pile 1 and the movement blocking mechanism 2.

Specifically, when the vehicle charges with the charging connector access charging port, spacing through removing the hindrance mechanism 2, prevent to lead to the vehicle to carry on the problem that the charging connector removed because of swift current car, and when the vehicle just removes at the not charging connector that pulls out, trigger separation outage subassembly 3 through trigger subassembly 4 and separate charging connector 5 and plug 6, thereby let the vehicle that removes can leave with charging connector, electric wire and plug 6, the pulling force when avoiding the vehicle to remove at first the damage that causes to structures such as electric wire, also avoid producing the injury to charging stake 1 and its internal circuit, secondly let the vehicle take away the form of structure such as charging connector, can avoid the vehicle user to cultivate the habit that the charging is accomplished not pulling out the charging connector through follow-up following responsibility.

As shown in fig. 1 and 2, the movement blocking mechanism 2 includes a buried frame 201, a frame cover 202, a telescopic device 203, a lifting cylinder 204, a push rod 205 and a blocking plate 206, the top surface of the buried frame 201 is opened and the frame cover 202 is fixedly installed on the top wall thereof, the buried frame 201 needs to be buried in the ground when installed so as to avoid affecting the running of the vehicle, the telescopic device 203 is fixedly installed on the inner wall of the bottom surface of the buried frame 201, the rear surface of the buried frame 201 is provided with a through hole passing through the circuit of the telescopic device 203, the telescopic device 203 adopts a telescopic motor, and the lifting control circuit and the lowering control circuit of the telescopic device 203 are connected in series and interlocked with the charging circuit of the charging pile 1, namely, the lifting control circuit is started and the lowering control circuit is disconnected when charging, after charging, the descending control circuit is started and disconnected, the lifting cylinder 204 is fixedly connected to the transmission shaft of the telescopic device 203, two grooves are formed in the left side and the right side of the lifting cylinder 204, the two grooves are sleeved with a push rod 205 respectively, the push rod 205 is inverted-T-shaped, the top ends of the push rods 205 penetrate through the top surface of the lifting cylinder 204, the top ends of the two push rods 205 are fixedly connected with a blocking plate 206, the bottom surface of the push rod 205 is fixedly connected with a spring, the elastic force range of the spring is set to have larger elastic force, the elastic force is in the range of stressed compression when the rear wheel of a normal vehicle is pressed on the spring, holes are formed in the left side and the right side of the top surface of the frame cover plate 202 and the blocking plate 206 at corresponding positions are sleeved, and the blocking plate 206 is in a T shape and the front end and the rear end of the blocking plate is bent downwards.

Specifically, after the vehicle travels to the charging position and charges, the lifting control circuit of the telescopic device 203 is started, then the telescopic device 203 starts the transmission shaft to extend to push the blocking plate 206 to extend through the lifting cylinder 204 and the push rod 205, the blocking plate 206 extends from the frame cover plate 202 and then horizontally extends to the front side of the rear wheel of the vehicle, when the vehicle slides to generate forward driving force, the force generated by sliding is small, the front and rear inclined planes of the blocking plate 206 can firstly contact with the wheels, the arm angle is changed when the moving force of the vehicle is transmitted, the pressure is reduced and then transmitted to the spring, the high elasticity of the spring is utilized to generate resistance to the advance of the vehicle, the problem that the vehicle slides during charging is prevented, the vehicle and the charging pile 1 in the charging process are protected, and when the charging connector is pulled out, the descending control circuit of the telescopic device 203 is started, the device is reset, and the vehicle is further driven out and the following vehicle is convenient.

As shown in fig. 3 and 4, the separation outage assembly 3 includes a connection collar 301, a plunger 302, an extrusion pad 303 and a removal rod 304, a hole is formed on the right side surface of the casing of the charging pile 1 and the connection collar 301 is fixedly connected, the charging interface 5 is fixedly connected to the inner ring of the connection collar 301, L-shaped grooves 8 are formed at the front and rear ends of the right side surface of the connection collar 301, the front and rear surfaces of the plug 6 are fixedly connected with a zigzag plunger 302, the free end of the plunger 302 is clamped with the L-shaped grooves 8 at corresponding positions on the connection collar 301, the plunger 302 is made of elastic metal, the wall surface of the L-shaped grooves 8 corresponding to the free end of the plunger 302 is fixedly connected with the extrusion pad 303, sliding grooves 9 are formed at the front and rear ends of the right side of the connection collar 301, the inner wall of the sliding grooves 9 are sleeved with the removal rod 304, the vertical section of the removal rod 304 is T-shaped and the right end penetrates through the connection collar 301 and corresponds to the plunger 302, the removal rod 304 is connected with the inner wall of the sliding grooves 9 through a spring, and the spring has the elasticity larger than that of the plunger 302 is required, and the plunger 9 can extrude gas or liquid into the air pad 9 or the air cushion 303.

Specifically, when the charging connector is not pulled out, the triggering component 4 firstly charges liquid or gas into the extruding pad 303 to expand the extruding pad 303, the expanded extruding pad 303 pushes the inserted link 302 to deform so as to separate from the clamping of the wall surface of the L-shaped groove 8, then charges liquid or gas into the sliding groove 9 to enable the moving-out link 304 to extend, the extending moving-out link 304 pushes the plug 6 to separate from the charging connector 5, and then the plug 6 follows the charging connector and the electric wire to leave along with the vehicle, so that the electric wire is prevented from pulling the plug 6 to damage the charging connector, the charging connector 5 and the charging pile 1 by the moving force of the vehicle, the circuit in the charging pile 1 is automatically powered off after the circuit is formed after the charging connector 5 is separated from the plug 6, and thus the safety problem that the wire core is exposed to the outside is avoided.

As shown in fig. 1, 3 and 4, the triggering assembly 4 includes a first communicating pipe 401, a second communicating pipe 402 and a third communicating pipe 403, the second communicating pipe 402 is disposed inside the casing of the charging pile 1, the bottom end of the second communicating pipe 402 penetrates through the bottom wall of the casing of the charging pile 1, it should be noted that, when the charging pile 1 adopts a structure with a supporting rod, the second communicating pipe 402 penetrates through the supporting rod of the charging pile 1, one end of the second communicating pipe 402 located inside the casing of the charging pile 1 is fixedly connected and communicated with the third communicating pipe 403, the third communicating pipe 403 is also located inside the casing of the charging pile 1, the free ends of the third communicating pipes 403 are provided with two passages and all penetrate through the casing of the charging pile 1 and the connecting collar 301, and are communicated with the extrusion pads 303 and the sliding grooves 9 on corresponding sides, and the number of the first communicating pipes 401 is two and is fixedly connected and communicated with the bottom ends of the second communicating pipe 402.

Specifically, after the first communicating tube 401 is filled with gas or liquid, the gas or liquid flows from the first communicating tube 401 to the second communicating tube 402 to the third communicating tube 403 and then to the extrusion pad 303 and the sliding groove 9, and the sliding groove 9 is provided with a spring, so that the gas or liquid is injected into the extrusion pad 303 to expand, and after the extrusion pad 303 pushes the insert rod 302 to the limit, the subsequently injected gas or liquid pushes the removing rod 304 to separate the charging connector 5 from the plug 6.

As shown in fig. 2, the trigger assembly 4 further includes a contact supporting rod 404, a trigger rod 405 and an elastic pad 406, the contact supporting rod 404 is fixedly connected to the back of the lifting cylinder 204, the trigger rod 405 is hinged to the bottom sides of the back of the two blocking plates 206, the bottom surface of the trigger rod 405 contacts the top end of the contact supporting rod 404, the elastic pad 406 is fixedly connected to the inner wall of the back of the embedded frame 201 and is located above the trigger rod 405, the free end of the communicating pipe one 401 is fixedly connected to the embedded frame 201 and is communicated with the elastic pad 406, and hydraulic oil is filled in the elastic pad 406, the communicating pipe one 401, the communicating pipe two 402 and the communicating pipe three 403.

Specifically, after the lifting cylinder 204 is lifted, when the vehicle is not pulled out of the charging connector and passes out of the charging area, the force generated by movement of the vehicle is large, then the rear wheel of the vehicle firstly runs above the blocking plate 206, the spring in the lifting cylinder 204 enables the blocking plate 206 to descend through compression deformation, and gives a surprise to prompt a driver through descent, when the blocking plate 206 descends, the lifting cylinder 204 keeps a lifted position, the trigger rod 405 rotates due to abutting against the contact rod 404 as the blocking plate 206 descends, the trigger rod is changed from an inclined state to a horizontal state, and the hydraulic oil is injected into the extrusion pad 303 through the increase of the transverse length during the change to separate the charging interface 5 from the plug 6, so that the charging interface 5 and the plug 6 are separated in a fully automatic mode, and the charging pile 1 is protected.

As shown in fig. 1, a protection barrel 7 is fixedly connected to the right side surface of the casing of the charging pile 1, the protection barrel 7 wraps the charging connector 5 and the plug 6, and the front surface and the side surface of the protection barrel 7 are opened and hinged with a barrel cover.

Specifically, the protection cylinder 7 wraps the charging interface 5 and the plug 6, thereby being rainproof and dustproof.

Claims

1. The utility model provides an electric motor car charger safety is from outage device, includes fills electric pile (1), its characterized in that, the front of filling electric pile (1) is provided with removes blocking mechanism (2), remove blocking mechanism (2) and be used for preventing that the vehicle from swift current car in the charging process, the right flank fixed mounting of filling electric pile (1) shell has charge interface (5) with internal circuit intercommunication, it has plug (6) to fill on interface (5), the free end of plug (6) has the joint that charges through the wire connection, fill electric pile (1) and be provided with separation outage subassembly (3) in the junction of interface (5) that charges, separation outage subassembly (3) are used for letting fill electric interface (5) with plug (6) separate, fill electric pile (1) with be provided with in removing blocking mechanism (2) and be provided with for separation outage subassembly (3) provide power and trigger subassembly (4) of action.

2. The safe self-power-off device of an electric vehicle charger according to claim 1, wherein the movement blocking mechanism (2) comprises an embedded frame (201), a frame cover plate (202), telescopic equipment (203), a lifting cylinder (204), push rods (205) and a blocking plate (206), the top surface of the embedded frame (201) is opened, the frame cover plate (202) is fixedly installed on the top wall of the embedded frame, the telescopic equipment (203) is fixedly installed on the inner wall of the bottom surface of the embedded frame (201), the lifting cylinder (204) is fixedly connected with a transmission shaft of the telescopic equipment (203), two grooves are formed in the left side and the right side of the lifting cylinder (204), the two grooves are respectively sleeved with one push rod (205), the push rods (205) are inverted-T-shaped, the top ends of the two push rods (205) are fixedly connected with one blocking plate (206), the push rods (205) are fixedly connected with springs, and the left side and the right side of the top surface of the frame cover plate (202) are provided with holes corresponding to the left side and the right side of the corresponding holes (206).

3. The safe self-power-off device of an electric vehicle charger according to claim 2, wherein the separation power-off assembly (3) comprises a connecting collar (301), a plunger rod (302), a pressing-out pad (303) and a moving-out rod (304), a hole is formed in the right side surface of the shell of the charging pile (1) and fixedly connected with the connecting collar (301), the charging interface (5) is fixedly connected with the inner ring of the connecting collar (301), L-shaped grooves (8) are formed in the front end and the rear end of the right side surface of the connecting collar (301), the front surface and the rear surface of the plug (6) are fixedly connected with the plunger rod (302) which is Z-shaped, the free end of the plunger rod (302) is clamped with an L-shaped groove (8) at the corresponding position on the connecting collar (301), the wall surface of the free end of the plunger rod (302) is fixedly connected with one pressing-out pad (303), sliding grooves (9) are formed in the front end and the rear end of the right side surface of the connecting collar (301), the sliding grooves (9) are formed in the sliding grooves (9) and the sliding grooves (304) are formed in the corresponding positions on the connecting collar (301), and the sliding grooves are moved out of the inner wall (304).

4. The electric vehicle charger safety automatic power-off device according to claim 3, wherein the triggering assembly (4) comprises a first communicating pipe (401), a second communicating pipe (402) and a third communicating pipe (403), the second communicating pipe (402) is arranged inside a casing of the charging pile (1), the bottom end of the second communicating pipe (402) penetrates through the bottom wall of the casing of the charging pile (1), one end of the second communicating pipe (402) positioned inside the casing of the charging pile (1) is fixedly connected and communicated with the three communicating pipes (403), the third communicating pipe (403) is also positioned inside the casing of the charging pile (1), the free ends of the three communicating pipes (403) are provided with two passages and penetrate through the casing of the charging pile (1) and the connecting sleeve ring (301), and are communicated with the extrusion pads (303) and the sliding grooves (9) on the corresponding sides, and the number of the first communicating pipes (401) is two and is fixedly connected and communicated with the bottom ends of the second communicating pipes (402).

5. The safe self-power-off device of an electric vehicle charger according to claim 4, wherein the triggering component (4) further comprises a contact supporting rod (404), a triggering rod (405) and an elastic pad (406), the contact supporting rod (404) is fixedly connected to the back of the lifting cylinder (204), the triggering rod (405) is hinged to the bottom sides of the back of the two blocking plates (206), the bottom surface of the triggering rod (405) is abutted to the top ends of the contact supporting rods (404), the elastic pad (406) is fixedly connected to the inner wall of the back of the embedded frame (201) and is located above the triggering rod (405), and the free end of the first communicating pipe (401) is fixedly connected with the embedded frame (201) and is communicated with the elastic pad (406).

6. The safe self-power-off device for the electric vehicle charger according to claim 3, wherein a protection cylinder (7) is fixedly connected to the right side surface of the shell of the charging pile (1), the protection cylinder (7) wraps the charging interface (5) and the plug (6), and a cylinder cover is hinged to the front surface and the side surface of the protection cylinder (7).