Insulation and heat insulation type protection charging head

Abstract

The utility model discloses an insulation heat insulation type protection charging head comprising a charging gun, the front side of the charging gun is fixedly connected with an insertion block, the side surface of the insertion block is horizontally embedded with a plurality of temperature sensors, the charging gun is internally and movably connected with a supporting plate, the outer side of the supporting plate is horizontally fixed with a plurality of conductors, and the conductors movably penetrate through the charging gun. Two guide columns in mirror symmetry are horizontally fixed to the inner side of the supporting plate, the two guide columns are both connected into the charging gun in a telescopic mode, a limiting piece is arranged outside each guide column, and the limiting pieces are movably connected into the charging gun. According to the utility model, the charging gun mistakenly inserted into the charging port of the electric vehicle can be conveniently pulled out, so that fire disasters caused by over short-circuit temperature of the electric vehicle due to instantaneous heat increase caused by accidental charging short circuit and incapability of emergently removing power failure between the charging head and the charging port of the electric vehicle are avoided, and the use safety of the charging gun is further improved.

Description

Technical Field

[0001] This utility model relates to the field of charging gun technology, and in particular to an insulating and heat-resistant protective charging head. Background Technology

[0002] Against the backdrop of a severe global energy and environmental crisis, new energy electric vehicles, as a green mode of transportation, have a very broad market prospect. Charging guns are an indispensable supporting device for new energy electric vehicles and will inevitably rise in popularity along with the rise of electric vehicles. With the rapid development of the new energy industry, charging guns will be widely used in the field of environmentally friendly and energy-saving vehicle charging in the next few years, having an increasingly important impact on people's lives. Significant achievements will also be made in the design and development of charging guns to meet people's growing needs and improve their quality of life. Charging guns are now widely used in various types of electric vehicles (pure electric vehicles, hybrid electric vehicles, electric buses, electric coaches, electric minibuses, range-extended electric vehicles, and other large and medium-sized electric vehicles).

[0003] While most of the functions of today's fast charging guns meet users' needs, they still have some drawbacks. Drivers may accidentally connect the charging gun to the charging port of the trolley, and currently, the charging gun cannot be separated from the trolley while charging. When the charging gun gets too hot, it cannot be separated from the trolley, posing a safety hazard. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing an insulated and heat-resistant protective charging head.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an insulating and heat-resistant protective charging head, comprising a charging gun, a plug block fixedly connected to the front side of the charging gun, multiple temperature sensors horizontally embedded on the side of the plug block, a support plate movably connected inside the charging gun, multiple conductors horizontally fixed to the outer side of the support plate, the multiple conductors movably passing through the charging gun and the plug block, two mirror-symmetrical guide posts horizontally fixed to the inner side of the support plate, the two guide posts being telescopically connected inside the charging gun, and a limiting member provided on the outside of each guide post, the limiting member being movably connected inside the charging gun.

[0006] As a further description of the above technical solution: the front side of the charging gun has multiple heat dissipation holes horizontally penetrating through it, the side of the support plate has multiple ventilation holes horizontally penetrating through it and communicating with the heat dissipation holes, the lower end of the charging gun is vertically connected to a ventilation pipe, the end of the ventilation pipe is fixedly connected to a protective net, a fan is provided above the protective net, and the fan is suspended and fixed inside the ventilation pipe.

[0007] As the further description of the above technical solution: each of the guide posts is provided with a cavity, a limiting block is movably connected in the cavity, the end of the limiting block horizontally fixes a guide rod, the guide rod movably penetrates the cavity and is horizontally fixed in the charging gun, a spring one is arranged in the cavity, the spring one is sleeved on the outer edge of the guide rod, the end of the guide post is fixedly connected with a rubber ring, and the rubber ring is sleeved on the outer edge of the guide rod.

[0008] As the further description of the above technical solution: the bottom wall of the cavity is horizontally provided with two mirror-symmetrical sliding grooves one, a sliding block one is slidably connected in each of the sliding grooves one, the sliding block one is fixedly connected with the limiting block, one electromagnetic block one is fixed in each of the sliding grooves one and is magnetically connected with the electromagnetic block one.

[0009] As the further description of the above technical solution: the limiting member comprises a trapezoidal block two fixed on the outer edge of the guide post, the inclined surface of the trapezoidal block two abuts against a trapezoidal block one matched with the trapezoidal block two, and the trapezoidal block one is movably connected in the charging gun.

[0010] As the further description of the above technical solution: the inner wall of the charging gun is vertically provided with a groove, the trapezoidal block one is movably connected in the groove, a sliding groove two is vertically arranged on the inner wall of the groove, a sliding block two is slidably connected in each of the sliding grooves two and is fixedly connected with the trapezoidal block one, one electromagnetic block two is fixed in each of the two sliding grooves two and is magnetically connected with the sliding block two, one spring two is vertically fixed in each of the other two sliding grooves two and is fixedly connected with the sliding block two, an electric push rod is vertically fixed in the groove, and the end of the electric push rod is fixedly connected with a push plate.

[0011] As the further description of the above technical solution: the outer part of the charging gun is fixedly connected with three indicator lamps with different light colors, and the lower edge of the charging gun is vertically fixed with a buzzer.

[0012] The utility model has the advantages of the following beneficial effects:

[0013] Compared with the prior art, the insulating and heat-proof protective charging head is characterized in that: the conductor is connected with the supporting plate, the supporting plate is movably connected in the charging gun through the guide post and the guide rod, the limiting member movably connected with the charging gun is arranged on the guide post, and the temperature sensor is arranged on the outer side of the plug block, so that the charging gun mistakenly inserted in the charging port of the electric car can be easily pulled out, the instantaneous heat increase caused by accidental charging short circuit is avoided, the charging head cannot be immediately removed from the charging port of the vehicle due to power failure, the fire caused by the excessive temperature of the electric car due to short circuit is avoided, and the use safety of the charging gun is improved. The fan and the heat dissipation hole are arranged to play a role in cooling and heat dissipation for the high-temperature charging gun pulled out. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 An overall structure perspective view of the insulating and heat-insulating protective charging head is provided in the utility model;

[0015] Figure 2 An overall structure front view of the insulating and heat-insulating protective charging head is provided in the utility model;

[0016] Figure 3 An overall structure main sectional view of the insulating and heat-insulating protective charging head is provided in the utility model;

[0017] Figure 4 An overall structure side sectional view of the insulating and heat-insulating protective charging head is provided in the utility model;

[0018] Figure 5 An overall structure of the insulating and heat-insulating protective charging head is provided in the utility model; Figure 3 An enlarged view of structure at A in the utility model;

[0019] Figure 6 An enlarged view of structure at B in the utility model; Figure 3

[0020] An enlarged view of structure at C in the utility model; Figure 7 Figure 4 An enlarged view of structure at D in the utility model;

[0021] Figure 8 Figure 5 An enlarged view of structure at D in the utility model.

[0022] LEGEND:

[0023] 1, charging gun; 2, indicator light; 3, heat dissipation hole; 4, plug block; 5, buzzer; 6, ventilation pipe; 7, guide column; 8, rubber ring; 9, guide rod; 10, cavity; 11, trapezoidal block one; 12, trapezoidal block two; 13, support plate; 14, air hole; 15, protective net; 16, fan; 17, spring one; 18, limiting block; 19, sliding groove one; 20, spring two; 21, sliding block two; 22, sliding groove two; 23, groove; 24, electric push rod; 25, push plate; 26, electromagnetic block two; 27, sliding block one; 28, electromagnetic block one; 110, temperature sensor. DETAILED DESCRIPTION

[0024] ​​With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Figures 1 to 8 The utility model provides a kind of insulation heat insulation type protective charging head: including charging gun 1, three indicator lights 2 of different light colors of external fixed connection of charging gun 1, the light color of three indicator lights 2 is respectively red, blue and yellow, a buzzer 5 is vertically fixed in the lower edge of charging gun 1, plug block 4 is fixedly connected in the front side of charging gun 1, multiple temperature sensors 110 are embedded in the side of plug block 4, support plate 13 is movably connected in charging gun 1, multiple conductors are fixed horizontally on the outside of support plate 13, the interface of conductor is inserted with trolley charging port, multiple conductors are movably penetrated charging gun 1 and plug block 4, two mirror image symmetry guide posts 7 are fixed horizontally on the inside of support plate 13, two guide posts 7 are telescopically connected in charging gun 1, and each guide post 7 is provided with a stopper outside, and the stopper is movably connected in charging gun 1.

[0026] Each guide post 7 is provided with a cavity 10, a limit block 18 is movably connected in cavity 10, a guide rod 9 is fixed horizontally at the end of limit block 18, guide rod 9 is movably penetrated cavity 10 and is fixed horizontally in charging gun 1, a spring 17 is arranged in cavity 10, spring 17 is sleeved on the outer edge of guide rod 9, rubber ring 8 is fixedly connected at the end of guide post 7, rubber ring 8 is sleeved on the outer edge of guide rod 9, two mirror image symmetry sliding grooves 19 are horizontally arranged on the bottom wall of cavity 10, sliding block 27 is slidably connected in sliding groove 19, sliding block 27 is fixedly connected with limit block 18, and each sliding groove 19 is fixed with an electromagnetic block 28 and is magnetically connected with electromagnetic block 28.

[0027] The limiting member includes a trapezoidal block two 12 fixed on the outer edge of the guide column 7, the inclined surface of the trapezoidal block two 12 abuts against a trapezoidal block one 11 matched with the trapezoidal block two 12, the trapezoidal block one 11 is movably connected in the charging gun 1, the inner wall of the charging gun 1 is vertically provided with a groove 23, the trapezoidal block one 11 is movably connected in the groove 23, the inner wall of the groove 23 is vertically provided with two slide grooves two 22, each of the slide grooves two 22 is slidably connected with a slide block two 21, and the slide block two 21 is fixedly connected with the trapezoidal block one 11, two electromagnetic blocks two 26 are fixed in the two slide grooves two 22 respectively, the electromagnetic blocks two 26 are magnetically connected with the slide block two 21, two springs two 20 are vertically fixed in the other two slide grooves two 22 respectively, the springs two 20 are fixedly connected with the slide block two 21, an electric push rod 24 is vertically fixed in the groove 23, the end of the electric push rod 24 is fixedly connected with a push plate 25, the slide block one 27 and the slide block two 21 are made of metal, and the spring one 17 and the spring two 20 are in a compressed state when the charging gun 1 normally operates;

[0028] In order to cool the overheated charging gun 1, a plurality of heat dissipation holes 3 are horizontally arranged on the front side of the charging gun 1, a plurality of air holes 14 are horizontally arranged on the side of the support plate 13 and communicate with the heat dissipation holes 3, a ventilation pipe 6 is vertically arranged at the lower end of the charging gun 1, a protective net 15 is fixedly connected to the end of the ventilation pipe 6, a fan 16 is arranged above the protective net 15 and is suspendedly fixed in the ventilation pipe 6.

[0029] The conductor is connected with the support plate 13, the support plate 13 is movably connected with the charging gun 1 through the guide column 7 and the guide rod 9, the limiting member movably connected with the charging gun 1 is arranged on the guide column 7, and the temperature sensor 110 is arranged on the outer side of the plug block 4, so that the charging gun 1 mistakenly inserted into the charging port of the electric car can be pulled out, the instantaneous heat increase caused by accidental charging short circuit is avoided, the power supply of the charging head and the charging port of the vehicle cannot be urgently removed due to the short circuit temperature, the electric car is caused to catch fire due to the short circuit temperature, the use safety of the charging gun 1 is improved, the fan 16 and the heat dissipation hole 3 are arranged, and the pulled-out high-heat charging gun 1 is cooled and radiated.

[0030] Working principle: in use, in normal use, the charging gun 1 is connected with the charging port of the electric car for charging, when charging, the red light is on, and the blue light is on after charging is completed, when the charging gun 1 is mistakenly inserted into the charging port of the electric car, the temperature sensor 110 detects the temperature on the plug-in block 4 of the charging gun 1 in real time, when the temperature on the plug-in block 4 is detected to rapidly rise, the electromagnetic block one 28 and the electromagnetic block two 26 are simultaneously powered off, so that the magnetic force of the electromagnetic block one 28 and the electromagnetic block two 26 disappears, the spring one 17 and the spring two 20 in the compressed state reset, so that the guide column 7 drives the supporting plate 13 to move towards the inside of the charging gun 1, the limiting block 18 moves towards the inside of the cavity 10, and the trapezoidal block one 11 is lifted into the groove 23, the supporting plate 13 pulls out the conductor from the charging port of the electric car, so that the conductor is in a non-contact state with the charging port of the electric car, and charging of the electric car is stopped, and the yellow indicator light 2 is on, and the buzzer 5 emits an alarm sound, reminding the surrounding personnel to turn off the charging device of the electric car and pull out the charging gun 1, then the fan 16 starts, the fan 16 blows air towards the lower part of the ventilation pipe 6, the fan 16 sucks the temperature of the charging gun 1 into the ventilation pipe 6 through the heat dissipation hole 3 and the air hole 14, and then discharges the temperature out of the ventilation pipe 6, so as to dissipate heat of the charging gun 1 and prevent the temperature of the charging gun 1 from continuously rising, when the temperature sensor 110 detects that the temperature of the plug-in block 4 on the charging gun 1 returns to the normal temperature state, the electric push rod 24 pushes the push plate 25, the push plate 25 pushes the trapezoidal block one 11 to extend out of the groove 23 and abut against the trapezoidal block two 12, the spring two 20 is compressed, so that the sliding block two 21 abuts against the electromagnetic block two 26, the trapezoidal block one 11 descends, and the trapezoidal block two 12 is driven by the slope of the trapezoidal block one 11 and the trapezoidal block two 12 to move towards the plug-in block 4, the trapezoidal block two 12 drives the guide column 7 to move towards the plug-in block 4, so that the conductor extends out of the charging gun 1 and returns to the charging position, and the spring one 17 is compressed under the extrusion of the limiting block 18, so that the sliding block one 27 abuts against the electromagnetic block one 28, then the electromagnetic block one 28 and the electromagnetic block two 26 are powered on, and the sliding block one 27 and the sliding block two 21 are magnetically attracted and fixed, and then the electric push rod 24 pulls back the push plate 25 into the groove 23 and separates from the trapezoidal block one 11.

[0031] Finally, it should be pointed out that: the above only preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. An insulated and heat-protected charging head comprising a charging gun (1), characterized in that: The front side of the charging gun (1) is fixedly connected with a plug block (4), the side surface of the plug block (4) is horizontally embedded with a plurality of temperature sensors (110), the charging gun (1) is movably connected with a support plate (13), the outer side of the support plate (13) is horizontally fixed with a plurality of conductors, the plurality of conductors are movably penetrated through the charging gun (1) and the plug block (4), the inner side of the support plate (13) is horizontally fixed with two mirror-symmetrical guide columns (7), the two guide columns (7) are telescopically connected in the charging gun (1), the outer part of each guide column (7) is respectively provided with a limiting piece, and the limiting piece is movably connected in the charging gun (1).

2. The insulated and heat-preservation type protective charging head according to claim 1, characterized in that: The front side of the charging gun (1) is horizontally penetrated through a plurality of heat dissipation holes (3), the side surface of the support plate (13) is horizontally penetrated through a plurality of air holes (14) in communication with the heat dissipation holes (3), the lower end of the charging gun (1) is vertically connected with a ventilation pipe (6), the tail end of the ventilation pipe (6) is fixedly connected with a protective net (15), the upper side of the protective net (15) is provided with a fan (16), and the fan (16) is suspended and fixed in the ventilation pipe (6).

3. The insulated and heat-preservation protective charging head according to claim 1, characterized in that: Each guide column (7) is provided with a cavity (10) therein, a limiting block (18) is movably connected in the cavity (10), the tail end of the limiting block (18) is horizontally fixed with a guide rod (9), the guide rod (9) is movably penetrated through the cavity (10) and is horizontally fixed in the charging gun (1), a spring (17) is arranged in the cavity (10), the spring (17) is sleeved on the outer edge of the guide rod (9), the tail end of the guide column (7) is fixedly connected with a rubber ring (8), and the rubber ring (8) is sleeved on the outer edge of the guide rod (9).

4. The insulated and heat-preservation type protective charging head according to claim 3, characterized in that: Two mirror-symmetrical sliding grooves (19) are horizontally arranged on the bottom wall of the cavity (10), a sliding block (27) is slidably connected in the sliding groove (19), the sliding block (27) is fixedly connected with the limiting block (18), one electromagnetic block (28) is fixed in each sliding groove (19) and is magnetically connected with the electromagnetic block (28).

5. The insulated and heat-preservation protective charging head according to claim 1, characterized in that: The limiting piece comprises a trapezoidal block (12) fixed on the outer edge of the guide column (7), the inclined surface of the trapezoidal block (12) abuts against a trapezoidal block (11) matched with the trapezoidal block (12), and the trapezoidal block (11) is movably connected in the charging gun (1).

6. The insulated and heat-preservation type protective charging head according to claim 5, characterized in that: The inner wall of the charging gun (1) is vertically provided with a groove (23), the trapezoidal block one (11) is movably connected in the groove (23), the inner wall of the groove (23) is vertically provided with one sliding groove two (22) around, one sliding block two (21) is slidably connected in each of the sliding groove two (22), and the sliding block two (21) is fixedly connected with the trapezoidal block one (11), two electromagnetic blocks two (26) are fixed in the two sliding groove two (22) respectively, the electromagnetic block two (26) is magnetically connected with the sliding block two (21), the other two sliding groove two (22) are vertically fixed with one spring two (20) respectively, the spring two (20) is fixedly connected with the sliding block two (21), the electric push rod (24) is vertically fixed in the groove (23), and the tail end of the electric push rod (24) is fixedly connected with the push plate (25).

7. The insulated and heat-preservation protective charging head according to claim 1, characterized in that: The outer part of the charging gun (1) is fixedly connected with three indicator lamps (2) with different light colors, and a buzzer (5) is vertically fixed to the lower edge of the charging gun (1).

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