CN216209774U

CN216209774U - Rifle adhesion detection device charges

Info

Publication number: CN216209774U
Application number: CN202122459576.2U
Authority: CN
Inventors: 王洪杰; 魏东升
Original assignee: DALIAN LUOBINSEN POWER SUPPLY EQUIPMENT CO LTD
Current assignee: DALIAN LUOBINSEN POWER SUPPLY EQUIPMENT CO LTD
Priority date: 2021-10-13
Filing date: 2021-10-13
Publication date: 2022-04-05
Anticipated expiration: 2031-10-13

Abstract

The utility model discloses a charging gun adhesion detection device, and particularly relates to the technical field of new energy charging piles. According to the utility model, when the charging pile is in a non-charging state, the controller controls the intermediate relay to be closed, the direct-current contactor cannot be started at the moment, the switching power supplies are added to the positive and negative ends of the charging gun assembly after the intermediate relay is closed, if the intermediate relay is closed, the controller receives a closing signal to indicate that the charging gun assembly is short-circuited, otherwise, the charging gun assembly is normal, and when the charging pile detects that the charging gun assembly is connected with an automobile, the controller controls the intermediate relay to disconnect the detection circuit, and the short-circuit detection assembly is used for carrying out short-circuit detection on the charging gun assembly, so that the safety of the charging pile in use is greatly improved.

Description

Rifle adhesion detection device charges

Technical Field

The utility model relates to the technical field of new energy charging piles, in particular to a charging gun adhesion detection device.

Background

At present, fill its function of electric pile and be similar to the tanker aircraft of the inside of filling station, can fix on ground or wall, install in public office building, the market, parking area etc. and residential quarter parking area, can charge for the new forms of energy electric automobile of various models according to the voltage level of difference, along with the country impels vigorously the electric motor car, the quantity of filling electric pile increases gradually, in recent years, along with the promotion of battery technology, the promotion of charging technique, the multiplying power that charges is bigger and bigger, the power that fills electric pile is bigger and bigger, also higher and higher to the manufacturing technological requirement of filling electric pile.

But in present national standard flow the inside, fill electric pile before charging, do not carry out the flow that short circuit detected to the rifle that charges, so, sometimes because of causing the vehicle or fill electric pile damage condition to take place for the rifle short circuit that charges, safety in utilization is lower.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a charging gun adhesion detection apparatus to solve the above-mentioned problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a charging gun adhesion detection device comprises a charging gun assembly, the charging gun assembly comprises a box body and an electric wire, a first shell and a second shell are movably arranged on one side of the box body, a sleeve is movably arranged at the bottom of the box body, the electric wire is fixedly arranged at the bottom of the sleeve, the first shell is arranged at the top of the second shell, the short circuit detection components are fixedly arranged in the first shell and the second shell, the detection component comprises a switch power supply, an intermediate relay, a controller and a direct current contactor, the switch power supply, the intermediate relay, the controller and the direct current contactor are all fixedly arranged in the first shell and the second shell, the second shell and the sleeve are both provided with temperature detection components, the first shell and the second shell are movably provided with plugs, a through hole is formed in the center of the inner portion of the plug, and a pressure sensor is fixedly arranged in the through hole.

In a preferred embodiment, the switching power supply is connected to a connection terminal of an intermediate relay, the charging gun assembly is connected to a connection terminal of the controller, and the dc contactor is connected to a connection terminal of the intermediate relay.

In a preferred embodiment, the temperature detection assembly comprises two temperature sensors, the two temperature sensors are respectively arranged in the second shell and the sleeve, the temperature sensors are connected with the input end of the controller, and the controller is connected with the output end of the pressure sensor.

In a preferred embodiment, both sides of the box body are provided with first threaded holes, the bottom of the box body is provided with second threaded holes, external threads are processed on the outer wall surfaces of both sides of the first shell and the second shell, both the first shell and the second shell are in threaded connection with the first threaded holes on the left side of the box body through the external threads, external threads are processed on the outer wall surface of the top of the sleeve, and the sleeve is in threaded connection with the second threaded holes through the external threads.

In a preferred embodiment, the inner wall surfaces of the first shell and the second shell are both provided with a semicircular groove, the plug is arranged in the semicircular groove, the outer wall of one side of the first shell and the second shell is both in threaded connection with a ring plate, the inner wall surface of the ring plate is provided with internal threads, and the ring plate is in threaded connection with the first shell and the second shell through the internal threads and the external threads.

In a preferred embodiment, a hemp rope is fixedly arranged on the annular plate, a sealing plate is fixedly arranged at one end of the hemp rope, and the sealing plate is arranged in the annular plate and clamped with the annular plate.

In a preferred embodiment, a micro fan is arranged inside the box body and connected with the output end of the controller, supports are fixedly arranged at the top and the bottom of the micro fan, an outlet is formed in the top of the box body, a cover plate is movably arranged in the outlet, a handle is fixedly arranged at the center of the top of the cover plate, jacks are formed in the bottom surface of the cover plate and the bottom surface of the inner cavity of the box body, and the supports are arranged in the jacks and are connected with the jacks in an inserting mode.

In a preferred embodiment, the first threaded hole on the right side of the box body is internally threaded with a round pipe, and a waterproof breathable film, filter cloth and a steel wire mesh are sequentially and fixedly arranged inside the round pipe towards the right.

In a preferred embodiment, a limiting plate is fixedly arranged on the outer wall of one side of the box body, a through hole is formed in the limiting plate, and a silica gel sleeve is fixedly sleeved on the surface of the outer wall of the sleeve.

The utility model has the technical effects and advantages that:

1. according to the utility model, when the charging pile is in a non-charging state, the controller controls the intermediate relay to be closed, the direct-current contactor cannot be started at the moment, the switching power supplies are added to the positive and negative ends of the charging gun assembly after the intermediate relay is closed, if the intermediate relay is closed, the controller receives a closing signal to indicate that the charging gun assembly is short-circuited, otherwise, the charging gun assembly is normal, and when the charging pile detects that the charging gun assembly is connected with an automobile, the controller controls the intermediate relay to disconnect the detection circuit, and the short-circuit detection assembly is used for carrying out short-circuit detection on the charging gun assembly, so that the safety of the charging pile in use is greatly improved.

2. Through using closing plate and crown plate to carry out comprehensive protection to the plug, the plug is when slowly with the interface contact that charges, pressure sensor transmits the numerical value that detects for the controller, the controller judges pressure size, when pressure is less than standard numerical value, it targets in place to show that the plug is not pegged graft, when pressure is greater than standard numerical value, it is too much to show plug male, can cause the damage of socket in the plug, the suggestion user adjusts the processing, temperature sensor detects first casing, second casing and sheathed tube temperature, then send the numerical value that detects for the controller, ensure that the temperature in the rifle subassembly that charges keeps normal, avoid the high and low excessively of temperature, thereby keep charge efficiency.

3. Through installing waterproof ventilated membrane in the pipe, waterproof ventilated membrane can separate the water of outside air when ventilating, prevent that water from entering into first casing, second casing and sheathed tube inside, cause corrosion damage to inside part, the filter cloth can filter the dust impurity in the outside air, avoid dust impurity adhesion at first casing, on second casing and the inside part of sleeve pipe, cause the influence to their heat dissipation, the wire net plays the effect of protection at the opening part of pipe, can prevent that the user from causing the damage to the inside waterproof ventilated membrane of pipe and filter cloth, the influence is to the filter effect of air.

Drawings

Fig. 1 is a schematic diagram of the short circuit detection of the charging gun assembly according to the present invention.

Fig. 2 is a front view of the case of the present invention.

Fig. 3 is a front view of the plug of the present invention.

Fig. 4 is a cross-sectional view of the case of the present invention.

Fig. 5 is a side cross-sectional view of the bushing of the present invention.

Fig. 6 is an enlarged view of the portion a of fig. 5 according to the present invention.

Figure 7 is a cross-sectional view of a round tube of the present invention.

The reference signs are: 1. a box body; 2. an electric wire; 3. a first housing; 4. a second housing; 5. a sleeve; 6. a switching power supply; 7. an intermediate relay; 8. a controller; 9. a DC contactor; 10. a plug; 11. a through hole; 12. a pressure sensor; 13. a temperature sensor; 14. a first threaded hole; 15. a second threaded hole; 16. a semicircular groove; 17. a ring plate; 18. hemp ropes; 19. a sealing plate; 20. a micro fan; 21. a support; 22. a cover plate; 23. a handle; 24. a jack; 25. a circular tube; 26. a waterproof breathable film; 27. filtering cloth; 28. steel wire mesh; 29. a limiting plate; 30. perforating; 31. and (4) a silica gel sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1 and 5 of the specification, the adhesion detection device for the charging gun of the embodiment comprises a charging gun assembly, the charging gun assembly comprises a box body 1 and an electric wire 2, the electric wire 2 is used for connecting the charging gun assembly with a power supply on a charging pile, a first shell 3 and a second shell 4 are movably arranged on one side of the box body 1, a sleeve 5 is movably arranged at the bottom of the box body 1, the electric wire 2 is fixedly arranged at the bottom of the sleeve 5, the first shell 3 is arranged at the top of the second shell 4, a short circuit detection assembly is fixedly arranged inside the first shell 3 and the second shell 4, the detection assembly comprises a switching power supply 6, an intermediate relay 7, a controller 8 and a direct current contactor 9, the switching power supply 6 is an energy conversion circuit and is used for converting alternating current of 220V and 50Hz into direct current and is an important component forming an electronic circuit, the intermediate relay 7 is generally used for transmitting signals and controlling a plurality of circuits simultaneously, the structure and working principle of the intermediate relay 7 are basically the same as those of an AC contactor, the main difference with the AC contactor is that the number of contacts is more, and the contact capacity is small, the controller 8 is a main command device which controls the starting, speed regulation, braking and reversing of the motor by changing the wiring of a main circuit or a control circuit and changing the resistance value in the circuit according to a preset sequence, and consists of a program counter, a command register, a command decoder, a time sequence generator and an operation controller 8, and is a decision mechanism for issuing commands, namely completing the coordination and commanding the operation of the whole computer system, the DC contactor 9 is a contactor with an iron core being DC control, the load of the contactor can be DC or AC, the switching power supply 6, the intermediate relay 7, the controller 8 and the DC contactor 9 are all fixedly arranged in the first shell 3 and the second shell 4, the switch power supply 6 is connected with the connecting end of the intermediate relay 7, the charging gun assembly is connected with the connecting end of the controller 8, the direct current contactor 9 is connected with the connecting end of the intermediate relay 7, the temperature detection assemblies are arranged in the second shell 4 and the sleeve 5 respectively, each temperature detection assembly comprises two temperature sensors 13, each temperature sensor 13 is a sensor capable of sensing temperature and converting the temperature into an available output signal, each temperature sensor 13 is a core part of a temperature measuring instrument, the temperature measuring instruments are various in variety, can be divided into two types of contact and non-contact according to measuring modes, and are divided into two types of thermal resistors and thermocouples according to characteristics of sensor materials and electronic elements, the two temperature sensors 13 are respectively arranged in the second shell 4 and the sleeve 5, and the temperature sensors 13 are connected with the input end of the controller 8, the controller 8 is connected with pressure sensor 12's output, the inside activity of first casing 3 and second casing 4 is equipped with plug 10, through-hole 11 has been seted up to the inside center department of plug 10, through-hole 11 internal fixation is equipped with pressure sensor 12, and pressure sensor 12 can sense pressure signal to can convert pressure signal to the device or the device of the signal of telecommunication of available output according to certain law, and pressure sensor 12 comprises pressure sensing element and signal processing unit usually, and according to the test pressure type of difference, pressure sensor 12 can divide into gauge pressure sensor, differential pressure sensor and absolute pressure sensor, can detect the pressure size between plug 10 and the car interface that charges, and convenience of customers judges whether plug 10 pegs graft and targets in place.

The implementation scenario is specifically as follows: when the charging device is used, the short-circuit detection components are arranged in the first shell 3 and the second shell 4, the direct current contactor 9 is interlocked with the intermediate relay 7, meanwhile, the software is also interlocked, the charging gun detection circuit and the charging loop can not be started simultaneously, when the charging pile is in a non-charging state, the controller 8 controls the intermediate relay 7 to be closed, the direct current contactor 9 can not be started, after the intermediate relay 7 is closed, the switching power supply 6 is added at the positive end and the negative end of the charging gun component, if the intermediate relay 7 is closed, the controller 8 receives a closing signal to indicate that the charging gun component is in a short circuit state, otherwise, the charging gun component is normal, and when the charging pile detects that the charging gun component is connected with a vehicle, the controller 8 controls the intermediate relay 7 to be disconnected from the detection circuit, and utilizes the short-circuit detection components to detect the short circuit of the charging gun component, ensure the rifle subassembly that charges and fill electric pile's normal function, the security when improving the use of filling electric pile.

Referring to the attached drawings 2-5 of the specification, in the adhesion detection device for the charging gun of the embodiment, a first threaded hole 14 is formed in each of two sides of a box body 1, a second threaded hole 15 is formed in the bottom of the box body 1, external threads are formed on the outer wall surfaces of two sides of a first shell 3 and a second shell 4, the first shell 3 and the second shell 4 are in threaded connection with the first threaded hole 14 on the left side of the box body 1 through the external threads, when the adhesion detection device is not in use, the first shell 3 and the second shell 4 can be detached from the first threaded hole 14, the interiors of the first shell 3 and the second shell 4 are inspected, the external threads are formed on the outer wall surface of the top of a sleeve 5, the sleeve 5 is in threaded connection with the second threaded hole 15 through the external threads, the sleeve 5 is detached from the box body 1, parts inside the sleeve 5 can be inspected and replaced conveniently, semicircular grooves 16 are formed on the inner wall surfaces of the first shell 3 and the second shell 4, the plug 10 is arranged in the semicircular groove 16, so that the plug 10 can be conveniently detached from the first shell 3 and the second shell 4, the plug 10 can be checked and replaced, the outer walls of one sides of the first shell 3 and the second shell 4 are in threaded connection with the annular plate 17, an internal thread is machined on the surface of the inner wall of the annular plate 17, the annular plate 17 is in threaded connection with the first shell 3 and the second shell 4 through the internal thread and the external thread, the annular plate 17 is fixedly provided with the hemp rope 18, the sealing plate 19 is connected with the annular plate 17 through the hemp rope 18, the sealing plate 19 is more handy when the sealing plate 19 is used, one end of the hemp rope 18 is fixedly provided with the sealing plate 19, the sealing plate 19 is arranged in the annular plate 17 and clamped with the annular plate 17, the sealing plate 19 is used for sealing the annular plate 17, and when the plug is not used, the sealing plate 19 and the annular plate 17 play a role in protection outside the plug 10.

The implementation scenario is specifically as follows: when the automobile needs to be charged, a user firstly opens the sealing plate 19 from the ring plate 17, then the ring plate 17 is rotated to enable the ring plate 17 to be away from the opening of the plug 10, the user holds the sleeve 5 to enable the plug 10 to be inserted into the charging interface on the automobile, when the plug 10 slowly contacts with the charging interface, the pressure sensor 12 inside the plug 10 contacts with the charging interface, the pressure sensor 12 transmits a detected value to the controller 8, the controller 8 judges whether the pressure meets the standard or not, when the pressure is smaller than the standard value, the plug 10 is not inserted in place, when the pressure is larger than the standard value, the excessive insertion of the plug 10 is indicated, the damage of the socket in the plug 10 is caused, the user is prompted to carry out adjustment processing, when the automobile needs to be charged, the temperature sensor 13 detects the temperatures in the first shell 3, the second shell 4 and the sleeve 5, and then the detected value is sent to the controller 8, ensure that the temperature in the rifle subassembly that charges keeps normally, avoids the high and low excessively of temperature to keep charge efficiency, long-time back of using can all follow box 1 with first casing 3, second casing 4 and sleeve pipe 5 and pull down, clear up the maintenance to their inside.

Referring to the attached drawings 2-7 of the specification, in the adhesion detection device for the charging gun of the embodiment, a micro fan 20 is arranged inside a box body 1, the micro fan 20 is connected with an output end of a controller 8, a support 21 is fixedly arranged at the top and the bottom of the micro fan 20, the micro fan 20 is convenient to install and detach by utilizing the insertion of the support 21 and a jack 24, an outlet is formed in the top of the box body 1, a cover plate 22 is movably arranged in the outlet, a handle 23 is fixedly arranged at the center of the top of the cover plate 22, the cover plate 22 is opened to facilitate cleaning of the inside of the box body 1 by workers, the jack 24 is arranged on the bottom surface of the cover plate 22 and the bottom surface of an inner cavity of the box body 1, the support 21 is arranged in the jack 24 and is inserted into the jack 24, a circular tube 25 is connected to a first threaded hole 14 on the right side of the box body 1 through a thread, and a waterproof breathable film 26, a breathable film 24 is fixedly arranged inside the circular tube 25 in sequence from right to the inside of the circular tube 25, Filter cloth 27 and wire net 28, through carrying out filtration treatment to the outside air, ensure that clean gas enters into the rifle subassembly that charges, the fixed limiting plate 29 that is equipped with on 1 one side outer wall of box, set up perforation 30 in the limiting plate 29, can insert whole rifle subassembly that charges through perforation 30 on the limiting plate 29 on filling electric pile, the fixed cover in outer wall surface of sleeve pipe 5 is equipped with silica gel cover 31, makes the hand more comfortable when snatching sleeve pipe 5.

The implementation scenario is specifically as follows: when the temperature sensor 13 detects that the temperature in the first shell 3, the second shell 4 and the sleeve 5 is too high, a signal is sent to the controller 8, the controller 8 controls the micro fan 20 to start rotating, the micro fan 20 rotates positively to draw air, heat in the first shell 3, the second shell 4 and the sleeve 5 is rapidly drawn out from the circular tube 25, the heat dissipation effect in the first shell 3, the second shell 4 and the sleeve 5 is improved, the temperature is prevented from being too high, the charging efficiency is prevented from being influenced, the waterproof breathable film 26 is arranged in the circular tube 25, the waterproof breathable film 26 can block water of outside air while ventilating, water is prevented from entering the first shell 3, the second shell 4 and the sleeve 5 and causing corrosion damage to the parts inside, the filter cloth 27 can filter dust and impurities in the outside air, the dust and impurities are prevented from being adhered to the parts inside the first shell 3, the second shell 4 and the sleeve 5, influence is caused to their heat dissipation, wire net 28 plays the effect of protection at the opening part of pipe 25, can prevent that the user from causing the damage to the inside waterproof ventilated membrane 26 of pipe 25 and filter cloth 27, the influence is to the filter effect of air, after long-time the use, can open apron 22, pull down micro-fan 20 from box 1, pull down pipe 25 from box 1 simultaneously, clear up the change to them, when installing micro-fan 20, only need insert the jack 24 in the box 1 with the support 21 of micro-fan 20 bottom, then close apron 22 again and just can, jack 24 on the apron 22 is spacing to the support 21 at micro-fan 20 top equally, moreover, the steam generator is simple in structure, the installation is dismantled more simply.

And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides a rifle adhesion detection device charges, includes the rifle subassembly that charges, its characterized in that: the charging gun assembly comprises a box body (1) and an electric wire (2), wherein a first shell (3) and a second shell (4) are movably arranged on one side of the box body (1), a sleeve (5) is movably arranged at the bottom of the box body (1), the electric wire (2) is fixedly arranged at the bottom of the sleeve (5), the first shell (3) is arranged at the top of the second shell (4), a short-circuit detection assembly is fixedly arranged inside the first shell (3) and the second shell (4), the detection assembly comprises a switching power supply (6), an intermediate relay (7), a controller (8) and a direct current contactor (9), the switching power supply (6), the intermediate relay (7), the controller (8) and the direct current contactor (9) are fixedly arranged inside the first shell (3) and the second shell (4), temperature detection assemblies are arranged inside the second shell (4) and inside the sleeve (5), the plug (10) is movably arranged inside the first shell (3) and the second shell (4), a through hole (11) is formed in the center of the inside of the plug (10), and a pressure sensor (12) is fixedly arranged in the through hole (11).

2. The charging gun adhesion detection device of claim 1, wherein: switching power supply (6) are connected with the link of auxiliary relay (7), the rifle subassembly that charges is connected with the link of controller (8), direct current contactor (9) are connected with the link of auxiliary relay (7).

3. The charging gun adhesion detection device of claim 1, wherein: the temperature detection assembly comprises two temperature sensors (13), the two temperature sensors (13) are respectively arranged in the second shell (4) and the sleeve (5), the temperature sensors (13) are connected with the input end of the controller (8), and the controller (8) is connected with the output end of the pressure sensor (12).

4. The charging gun adhesion detection device of claim 1, wherein: first screw hole (14) have all been seted up to box (1) both sides, second screw hole (15) have been seted up to box (1) bottom, first casing (3) and second casing (4) both sides outer wall surface all process has the external screw thread, first casing (3) and second casing (4) all pass through external screw thread and box (1) left first screw hole (14) threaded connection, sleeve pipe (5) top outer wall surface processing has the external screw thread, sleeve pipe (5) pass through external screw thread and second screw hole (15) threaded connection.

5. The charging gun adhesion detection device of claim 4, wherein: semicircular groove (16) have all been seted up on first casing (3) and second casing (4) inner wall surface, plug (10) are established in semicircular groove (16), the equal threaded connection of first casing (3) and second casing (4) one side outer wall has crown plate (17), crown plate (17) inner wall surface machining has the internal thread, crown plate (17) are through internal thread and external screw thread and first casing (3) and second casing (4) threaded connection.

6. The charging gun adhesion detection device according to claim 5, wherein: the novel anti-theft device is characterized in that a hemp rope (18) is fixedly arranged on the annular plate (17), a sealing plate (19) is fixedly arranged at one end of the hemp rope (18), and the sealing plate (19) is arranged in the annular plate (17) and is clamped with the annular plate (17).

7. The charging gun adhesion detection device of claim 1, wherein: the utility model discloses a box, including box (1), miniature fan (20), outlet, apron, support (22), apron (22), jack (24) have all been seted up to apron (22) bottom surface and box (1) inner chamber bottom surface, support (21) are established in jack (24) and are pegged graft with jack (24).

8. The charging gun adhesion detection device of claim 1, wherein: first screw hole (14) female connection on box (1) right side has pipe (25), thereby pipe (25) inside is turned right and is fixed waterproof ventilated membrane (26), filter cloth (27) and wire net (28) be equipped with in proper order.

9. The charging gun adhesion detection device of claim 1, wherein: the box body (1) is characterized in that a limiting plate (29) is fixedly arranged on the outer wall of one side of the box body (1), a through hole (30) is formed in the limiting plate (29), and a silica gel sleeve (31) is fixedly sleeved on the surface of the outer wall of the sleeve (5).