CN218415790U

CN218415790U - Electric car fills overload power-off device of electric pile

Info

Publication number: CN218415790U
Application number: CN202222600261.XU
Authority: CN
Inventors: 时雨; 王鑫红; 姚忆雯; 阚中盛; 高雪峰; 李�昊; 王鼎衡; 刘元琦; 于温方; 刘鹏; 宋磊; 姜明磊; 张圆美; 王冬; 佘新; 刘玉春
Original assignee: Jilin Changchun Electric Power Survey And Design Institute Co ltd; Economic and Technological Research Institute of State Grid Jilin Electric Power Co Ltd
Current assignee: Jilin Changchun Electric Power Survey And Design Institute Co ltd; Economic and Technological Research Institute of State Grid Jilin Electric Power Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-31
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to an overload power-off device especially relates to an electric car fills overload power-off device of electric pile. The utility model provides a such trolley-bus fills overload outage device of electric pile, including first joint, second joint, fixed subassembly and separation plate etc. the second connects and first joint contact, is equipped with the fixed subassembly that is used for fixed second to connect on the first joint, but the baffler connects sliding connection and horizontal slip with the second, and the baffler moves right and can make fixed subassembly loosen the second and connect to make the second connect and separate the outage with the first joint. The utility model discloses a shell fragment is heated deformation, can drive the baffler and insert between second magnet and the third magnet toward the right movement, makes second magnet no longer hold third magnet, and the second connects can down rotate and first joint separation, accomplishes the outage work, also enables the live wire and keeps away from the zero line, prevents that zero line and live wire from reconnecting together, improves the security.

Description

Electric car fills overload power-off device of electric pile

Technical Field

The utility model relates to an overload power-off device especially relates to an overload power-off device of electric pile is filled to trolley-bus.

Background

The function of the electric vehicle charging pile is similar to that of an oiling machine of a gas station, and the electric vehicle charging pile can charge various types of electric vehicles according to different voltage grades.

When the inside overload's that charges condition appears in electric pile is filled to the trolley-bus, the electric current in the circuit can increase several times to tens of times, thereby can produce a large amount of heats, lead to the insulating of conductor to burn through, also light the combustible substance around the electric pile is filled to the trolley-bus very easily, the security is not high, therefore, need fill electric pile inside at the trolley-bus and be provided with overload protection device, current overload protection device is when using, generally break off to the circuit through control switch, however, the interval between two contacts among the current overload protection device is very little, when current overload protection device's casing is heated and takes place deformation, probably can make the circuit reconnect together, lead to the outage failure, the security is not high.

SUMMERY OF THE UTILITY MODEL

In order to overcome current overload protection device when using, the shell is heated and takes place deformation and probably can make the circuit reconnect together, the not high shortcoming of security, the utility model aims at providing a can improve the overload power-off device of electric pile is filled to trolley-bus of security.

The utility model discloses a following technical approach realizes: the utility model provides an overload power-off device of electric car charging pile, including socket and installing frame, the installing frame right side is connected with the socket, still including the first joint, the second connects, fixed subassembly, separation board and trigger assembly, the installing frame in-connection has the first joint, the rotary type is connected with the second and connects in the installing frame, the second connects and the contact of first joint, be equipped with the fixed subassembly that is used for fixed second to connect on the first joint, separation board and second connect sliding connection and can the horizontal slip, the separation board moves to the right and can make fixed subassembly loosen the second and connect, so that the second connects and the first separation outage that connects, be equipped with in the installing frame and be used for driving the trigger assembly of separation board horizontal slip.

Optionally, the fixing assembly comprises a sliding frame, a first magnet, a second magnet and a third magnet, the sliding frame is connected to the first joint in a sliding mode, the first magnet is connected to the first joint, the second magnet is connected to the second joint, the magnetic force of the second magnet is larger than that of the first magnet, the third magnet is connected to the sliding frame, the second magnet attracts the third magnet, and the magnetic force of the third magnet is smaller than that of the second magnet and the first magnet.

Optionally, the trigger assembly comprises a resistance wire, a heat-conducting plate, an elastic sheet, a movable frame and a connecting spring, the resistance wire is arranged in the mounting frame, the resistance wire is connected with the heat-conducting plate, the second joint is connected with the elastic sheet, the second joint is slidably connected with the movable frame, the movable frame is connected with the separation plate, and the connecting spring is connected between the movable frame and the elastic sheet.

Optionally, still including layer board and reset spring, the installing frame internal rotation formula is connected with the layer board, and the layer board is located the second and connects the below, and the layer board is used for preventing that the second from connecting down to drop and bumps with the installing frame inner wall, and reset spring connects layer board and installing frame so that the layer board elasticity that makes progress resets.

Optionally, the socket further comprises a belt pulley, a flat belt and a knob, the knob is rotatably connected to the rear side of the socket, the belt pulleys are connected to the knob and the second joint respectively, and the flat belt is wound between the two belt pulleys.

Optionally, the device further comprises a baffle plate used for limiting the second joint, the sliding frame is connected with the baffle plate, and the bottom of the second joint is supported by the baffle plate.

Compared with the prior art, the utility model, possess following advantage: 1. the utility model discloses a shell fragment is heated deformation, can drive the baffler and insert between second magnet and the third magnet toward the right movement, makes second magnet no longer hold third magnet, and the second connects can down rotate and first joint separation, accomplishes the outage work, also enables the live wire and keeps away from the zero line, prevents that zero line and live wire from reconnecting together, improves the security.

2. The utility model discloses a second connects can down rotate when connecting the separation with the first, and the layer board can hold the second and connect, prevents that the second from connecting and mounting frame inner wall bump.

3. The utility model discloses a rotate the knob, can drive the second connect up rotate again with the first contact of connecting, easy operation is convenient.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of another perspective of the present invention.

Fig. 3 is a schematic view of the internal structure of the mounting frame of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the fixing assembly of the present invention.

Fig. 5 is a schematic view of a three-dimensional structure of the trigger assembly of the present invention.

Fig. 6 is a schematic perspective view of another view angle of the triggering assembly of the present invention.

Description of reference numerals: 1_ socket, 2_ mounting frame, 3_ first joint, 4_ second joint, 5_ sliding frame, 6_ first magnet, 7_ second magnet, 8_ third magnet, 9_ baffle plate, 10_ resistance wire, 11_ heat-conducting plate, 12_ shell fragment, 13_ moving frame, 14_ connecting spring, 15_ supporting plate, 16_ reset spring, 17_ belt pulley, 18_ flat belt, 19_ knob, 20_ baffle.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, interior, outside etc. position words that appear or be about to appear in the text only use the utility model discloses a drawing is the benchmark, and it is not right the utility model discloses a concrete restriction, the serial number itself is compiled for spare part in this text, for example: first, second, etc. are used only to distinguish the described objects, and do not have any sequential or technical meaning. The application states that: the connection and coupling, unless otherwise indicated, include both direct and indirect connections (couplings).

Example 1

The utility model provides an overload outage device of electric car charging pile, as shown in fig. 1-6, including socket 1, installing frame 2, first joint 3, the second connects 4, fixed subassembly, separation board 9 and trigger assembly, 2 right sides of installing frame are connected with

socket

1, 2 in-connection of installing frame have

first joint

3, 2 internal rotation formulas of installing frame are connected with second joint 4, second joint 4 and the contact of first joint 3 are used for electrically conductive, be equipped with the fixed subassembly that is used for fixed second joint 4 on the first joint 3, separation board 9 and second joint 4 sliding connection and horizontal slip, separation board 9 moves to the right and can make fixed subassembly loosen second joint 4, second joint 4 can down rotate and first joint 3 separation cuts off the power supply, be equipped with the trigger assembly that is used for driving separation board 9 horizontal slip in the installing frame 2.

As shown in fig. 3 and 4, the fixing assembly includes a sliding frame 5, a first magnet 6, a second magnet 7 and a third magnet 8, the sliding frame 5 is slidably connected to the first connector 3, the first magnet 6 is connected to the first connector 3, the second magnet 7 is connected to the second connector 4, the magnetic force of the second magnet 7 is greater than the magnetic force of the first magnet 6, the third magnet 8 is connected to the sliding frame 5, the second magnet 7 attracts the third magnet 8, so that the position of the second connector 4 can be fixed, and the magnetic force of the third magnet 8 is smaller than that of the second magnet 7 and the first magnet 6.

As shown in fig. 3, 5 and 6, the triggering component includes a resistance wire 10, a heat-conducting plate 11, an elastic sheet 12, a movable frame 13 and a connecting spring 14, the resistance wire 10 is arranged in the mounting frame 2, the resistance wire 10 is connected with the heat-conducting plate 11, the second joint 4 is connected with the elastic sheet 12, the second joint 4 is slidably connected with the movable frame 13, the movable frame 13 is connected with the blocking plate 9, the connecting spring 14 is connected between the movable frame 13 and the elastic sheet 12, the heat-conducting plate 11 is used for guiding out heat on the resistance wire 10, so that the elastic sheet 12 is heated and deformed, and the connecting spring 14, the movable frame 13 and the blocking plate 9 are driven to move to the right.

Firstly, the device is installed in an electric car charging pile, one end of a zero line and one end of a live wire penetrate through an installation frame 2 and are connected with a socket 1, a first joint 3, a second joint 4 and a resistance wire 10 are all connected with the live wire, a second magnet 7 and a third magnet 8 attract in opposite polarities, a first magnet 6 and the third magnet 8 repel in the same polarity, the second magnet 7 attracts the third magnet 8 due to the fact that the magnetic force of the second magnet 7 is larger than the magnetic force of the first magnet 6, the position of the second joint 4 can be fixed, then a charger of the electric car is inserted into the socket 1, the first joint 3 and the second joint 4 can conduct electricity to charge the electric car, and when the circuit is overloaded, the resistance wire 10 can generate heat, heat-conducting plate 11 can absorb the heat that resistance wire 10 gived off and conduct away, make shell fragment 12 be heated and take place deformation, shell fragment 12 promotes connecting spring 14 and removes frame 13 and turn right the motion, it drives the barrier plate 9 and turns right the motion to remove frame 13, make between barrier plate 9 inserts second magnet 7 and the third magnet 8, first magnet 6 repels with 8 homoplastics of third magnet this moment, promote third magnet 8 and carriage 5 forward motion, make third magnet 8 keep away from second magnet 7, second magnet 7 no longer holds third magnet 8, under the effect of gravity, second joint 4 can down rotate and first joint 3 separation, the completion fills electric pile outage work, thereby can carry out overload protection to the trolley-bus.

As shown in fig. 3 and 5, still including layer board 15 and reset spring 16, layer board 15 is connected to the installation frame 2 internal rotation formula, layer board 15 is located the second and connects 4 below, the second connects 4 down to be held by layer board 15 when rotating, prevent that the second connects 4 and 2 inner walls of installation frame to collide, reset spring 16 connects layer board 15 and installation frame 2 so that layer board 15 elasticity resets that makes progress, when the second connects 4 down to rotate, the second connects 4 can contact with layer board 15, and extrude layer board 15 down to rotate, reset spring 16 compresses, reset spring 16 plays cushioning effect, thereby can prevent that the second from connecting 4 and 2 inner walls of installation frame from colliding.

As shown in fig. 2, fig. 3 and fig. 5, the socket further comprises a belt pulley 17, a flat belt 18 and a knob 19, the rear side of the socket 1 is rotatably connected with the knob 19, the belt pulley 17 is connected to the knob 19 and the second connector 4, the flat belt 18 is wound between the two belt pulleys 17, when the first connector 3 and the second connector 4 need to be contacted again, the knob 19 is rotated, the knob 19 can drive the second connector 4 to rotate upwards to reset through the belt pulley 17 and the flat belt 18, the second connector 4 drives the second magnet 7 to rotate upwards to reset, the second magnet 7 is close to the third magnet 8, under the action of magnetic force, the second magnet 7 can attract the third magnet 8, so that the position of the second connector 4 can be fixed, and the first connector 3 and the second connector 4 can be contacted again.

As shown in fig. 4 and fig. 5, the mobile terminal further includes a baffle 20, the sliding frame 5 is connected with the baffle 20, the baffle 20 supports the bottom of the second joint 4 to prevent the second joint 4 from moving, initially, the baffle 20 supports the bottom of the second joint 4 to play a role of stabilizing and preventing the second joint 4 from moving, when the sliding frame 5 moves forward, the sliding frame 5 drives the baffle 20 to move forward, so that the baffle 20 no longer supports the bottom of the second joint 4, and the second joint 4 can rotate downward to separate from the first joint 3.

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims. Therefore, the detailed description of the embodiments of the present disclosure is to be construed as merely illustrative, and not limitative of the present disclosure, but rather to limit the scope thereof by the appended claims.

Claims

1. The utility model provides an overload power-off device of electric car charging pile, including socket (1) and installing frame (2), installing frame (2) right side is connected with socket (1), characterized by, still including first joint (3), second joint (4), fixed subassembly, baffler (9) and trigger the subassembly, installing frame (2) in-connection has first joint (3), installing frame (2) internal rotation formula is connected with second joint (4), second joint (4) and first joint (3) contact, be equipped with the fixed subassembly that is used for fixed second joint (4) on first joint (3), baffler (9) and second joint (4) sliding connection and can the horizontal slip, baffler (9) turn right the motion can make fixed subassembly loosen second joint (4), so that second joint (4) and first joint (3) separation outage, be equipped with in installing frame (2) and be used for driving the subassembly that triggers that baffler (9) horizontal slip.

2. The overload power-off device of the charging pile of the electric car as claimed in claim 1, wherein the fixing component comprises a sliding frame (5), a first magnet (6), a second magnet (7) and a third magnet (8), the sliding frame (5) is slidably connected to the first connector (3), the first magnet (6) is connected to the first connector (3), the second magnet (7) is connected to the second connector (4), the magnetic force of the second magnet (7) is greater than that of the first magnet (6), the third magnet (8) is connected to the sliding frame (5), the second magnet (7) attracts the third magnet (8), and the magnetic force of the third magnet (8) is smaller than that of the second magnet (7) and the first magnet (6).

3. The overload power-off device of the charging pile of the electric vehicle is characterized in that the triggering component comprises a resistance wire (10), a heat-conducting plate (11), an elastic sheet (12), a movable frame (13) and a connecting spring (14), the resistance wire (10) is arranged in the mounting frame (2), the heat-conducting plate (11) is connected onto the resistance wire (10), the elastic sheet (12) is connected onto the second joint (4), the movable frame (13) is connected onto the second joint (4) in a sliding mode, the movable frame (13) is connected with the blocking plate (9), and the connecting spring (14) is connected between the movable frame (13) and the elastic sheet (12).

4. The overload power-off device of the charging pile of the electric car as claimed in claim 1, further comprising a supporting plate (15) and a return spring (16), wherein the supporting plate (15) is rotatably connected to the mounting frame (2), the supporting plate (15) is located below the second joint (4), the supporting plate (15) is used for preventing the second joint (4) from falling down and colliding with the inner wall of the mounting frame (2), and the return spring (16) is connected with the supporting plate (15) and the mounting frame (2) so as to enable the supporting plate (15) to elastically return upwards.

5. The overload power-off device of the charging pile of the electric car as claimed in claim 1, further comprising a belt pulley (17), a flat belt (18) and a knob (19), wherein the knob (19) is rotatably connected to the rear side of the socket (1), the belt pulleys (17) are connected to the knob (19) and the second connector (4), and the flat belt (18) is wound between the two belt pulleys (17).

6. An overload power-off device for a charging post of an electric car as claimed in claim 2, further comprising a stop plate (20) for limiting the second connector (4), the sliding frame (5) being connected with the stop plate (20), the stop plate (20) supporting the bottom of the second connector (4).