CN111446578A

CN111446578A - Rifle module structure charges with high protection level

Info

Publication number: CN111446578A
Application number: CN202010406602.2A
Authority: CN
Inventors: 王云龙
Original assignee: Chengdu Kinbaojie Xuyang New Energy Electric Appliance Co ltd
Current assignee: Chengdu Kinbaojie Xuyang New Energy Electric Appliance Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-07-24

Abstract

The invention discloses a charging gun module structure with high protection level, which comprises a gun body, a power line and a charging plug, wherein the gun body is formed with a handle, the gun body is hollow, an integrated control module is arranged in the gun body, the integrated control module comprises a module lower cover, a module upper cover, a feedback switch, a microswitch and an electromagnetic lock, the feedback switch, the microswitch and the electromagnetic lock are arranged between the module upper cover and the module lower cover, the module lower cover and the module upper cover are oppositely arranged, and the gun body is provided with the power line and the charging plug which are connected with the control module. The charging gun module structure with high protection level provided by the invention has the beneficial effects that: the integrated control module effectively avoids the damage of a feedback switch, a microswitch and an electromagnetic lock of the charging gun on the market caused by the conditions of disordered internal structure of the gun body, irregular wire harness and the like; in addition, the self-ignition problem caused by the open circuit of the charging gun can be prevented, and the charging safety is improved.

Description

Rifle module structure charges with high protection level

Technical Field

The invention relates to the field of new energy automobile charging guns, in particular to a charging gun module structure with a high protection level.

Background

The electric automobile is one of new energy automobiles, has the advantages of low pollution, low noise, energy conservation and the like, and can replace the traditional automobile to solve the problems of energy shortage and environmental pollution. In life, electric automobiles are more and more widely applied, and charging equipment such as charging guns and the like which are matched with the electric automobiles are also rapidly developed. The charging gun is connected with a charging port of the automobile, and the charging can be realized after the power line is connected with an external power supply. The charging gun used by the existing electric automobile is subject to the structure, the size, the technical requirements and other contents of the gun body, and the structure, the size and the technology of the gun body of each enterprise are different; however, high and low voltage wire harnesses used in the gun body are connected in a disordered manner, and the gun body has the disadvantages of disordered internal processes, irregular wire harnesses, low seized wire harnesses clinging to the surface of the high voltage wire harnesses and the like; when the charging gun is used, the feedback switch, the microswitch and the electromagnetic lock can be damaged by external factors such as rain, water immersion, water soaking, dust entering and the like; feedback switch, micro-gap switch can not reach collection such as protection structurally, in case damage will influence the circuit short circuit, and the electromagnetic lock structure becomes electric pistil and structure for opening the expansion space for the copper wire coiling, changes because of intaking, advance the ash and lead to damaging, and this condition takes place the copper line in the back electromagnetic lock and will short circuit generate heat, cause the condition of spontaneous combustion.

Disclosure of Invention

The invention aims to provide a charging gun module structure with a high protection level.

The purpose of the invention is realized by the following technical scheme:

a charging gun module structure with high protection level comprises a gun body, a power line and a charging plug, wherein the gun body is formed with a handle, the gun body is hollow, an integrated control module is arranged in the gun body and comprises a module lower cover, a module upper cover, a feedback switch, a microswitch and an electromagnetic lock, the module lower cover and the module upper cover are arranged oppositely, accommodating grooves for installing the feedback switch, the microswitch and the electromagnetic lock are processed on opposite surfaces, a wiring harness through hole extending into the accommodating grooves is processed on the module lower cover, a waterproof ring is installed in the wiring harness through hole, a sealing ring is further arranged between the upper cover and the lower cover, the gun body is provided with the power line and the charging plug which are connected with the control module, the charging plug comprises a shell and two charging cores, step through holes for accommodating the two charging cores are processed on the shell, and a large-diameter end matched with the step through holes is formed on each charging core, and the outer wall of the large-diameter end is provided with a sealing ring matched with the inner wall of the step through hole.

An annular protective cover is arranged in the step through hole, the protective cover is telescopically sleeved on the charging core through a columnar disc spring, and the inner wall of the protective cover is in clearance fit with the annular surface of the charging core.

A cavity is processed in the shell between the two charging cores, and strip-shaped holes communicated with the two step through holes are processed on two sides of the cavity respectively.

A limiting groove is processed in the through hole of the step at one end of the strip-shaped hole close to the integrated control module, and the width of the limiting groove is larger than that of the strip-shaped hole.

Install stop gear on the protecting cover, stop gear has two sets ofly and the symmetry to install on the protecting cover, stop gear includes sleeve, spring bolt and pressure spring, the spring bolt passes through the pressure spring telescopic and installs in the sleeve, the width of spring bolt is greater than the width in bar hole and is less than the width of spacing groove, the one end processing that the spacing groove was kept away from to the sleeve has the location mouth the same with the step through-hole orientation, and processing has the arc surface on the intraoral spring bolt in location.

One end of the cavity is communicated with the gun body, a corrugated pipe for sealing is sleeved in the cavity, a support rod is sleeved in the corrugated pipe, one end of the support rod is arranged in the gun body, one end, far away from the gun body, of the support rod is connected with a short rod penetrating through the corrugated pipe, and two ends of the short rod penetrate through the strip-shaped holes and then are arranged in the step through holes.

And a spring which enables the support rod to face away from the gun body is arranged in the shell.

The module upper cover is provided with a power supply pile aligned with the charging core.

The internal rotatable connecting rod that is equipped with of rifle between power supply stake and the core that charges, the connecting rod middle part is articulated with the shell inner wall, and the both ends of connecting rod all are equipped with the overlap joint line of switch-on power supply stake and the core that charges, the connecting rod is connected with elastic telescopic rod with the vaulting pole.

The charging gun module structure with high protection level provided by the invention has the beneficial effects that: the integrated control module effectively avoids the damage of a feedback switch, a microswitch and an electromagnetic lock of the charging gun on the market caused by the conditions of disordered internal structure of the gun body, irregular wire harness and the like; in addition, the protection cover arranged in the gun head can prevent the self-ignition problem caused by the open circuit of the charging gun due to the rain and other conditions, and improves the sealing property of the charging gun, so that the charging gun can be prevented from water inflow, and the electric safety is improved.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an integrated control module according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a charging plug according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of the inside of the housing according to the embodiment of the present invention.

Fig. 6 is a cross-sectional view taken along line a-a of fig. 1.

Fig. 7 is a schematic diagram illustrating a connection relationship between the protective cover, the limiting mechanism, the bellows, the stay bar and the connection bar according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of a limiting mechanism according to an embodiment of the present invention.

Reference numerals: 1. a gun body; 2. a power line; 3. a charging plug; 31. a housing; 32. charging a battery cell; 33. a stepped through hole; 34. a large diameter end; 35. a seal ring; 36. a cavity; 37. a strip-shaped hole; 38. a limiting groove; 4. an integrated control module; 41. a module lower cover; 42. a module upper cover; 43. a feedback switch; 44. a microswitch; 45. an electromagnetic lock; 46. a waterproof ring; 47. a power supply pile; 5. a protective cover; 51. a columnar disc spring; 6. a limiting mechanism; 61. a sleeve; 62. a latch bolt; 63. a pressure spring; 64. positioning the opening; 65. a circular arc surface; 7. a bellows; 8. a stay bar; 81. a short bar; 82. a spring; 9. a wire connecting rod; 91. overlapping wires; 92. an elastic telescopic rod; 10. a socket; 101. and (4) a bump.

Detailed Description

Examples

The high-voltage wire harness used in the existing charging gun body 1 is connected with the low-voltage wire harness in a disordered manner, the conditions such as disorder and irregular wire harness are presented in the gun body 1, so that the charging gun can cause the damage of the feedback switch 43, the microswitch 44 and the electromagnetic lock 45 in the charging gun body 1 when external factors such as rain, water immersion, water soaking and dust entering are met, the short circuit of a circuit can be influenced once the feedback switch 43, the microswitch 44 and the electromagnetic lock 45 are damaged, and an electric core in the electromagnetic lock 45 is formed by winding a copper wire, thereby easily causing the conditions such as heating and spontaneous combustion. In addition, under the working condition of 250A/750V of the charging gun DC +/DC-, when a low-voltage wire harness is tightly attached to the DC +/DC-, the low-voltage wire harness is melted due to overhigh temperature, so that short circuit spontaneous combustion is caused; this class of protection level is not required in the charging gun standard, so that most enterprises of the charging gun do not consider this, and therefore the feedback switch 43, the microswitch 44 and the electromagnetic lock 45 are directly opened and expanded to be installed at various positions in the gun body 1.

In order to solve the above problems, as shown in fig. 1 to 8, the charging gun module structure with high protection level provided in this embodiment includes a gun body 1, a power line 2 and a charging plug 3, the gun body 1 is hollow, an integrated control module 4 is installed in the gun body 1, the integrated control module 4 includes a module lower cover 41, a module upper cover 42, a feedback switch 43, a micro switch 44 and an electromagnetic lock 45, the module lower cover 41 and the module upper cover 42 are oppositely disposed, and an accommodating groove for installing the feedback switch 43, the micro switch 44 and the electromagnetic lock 45 is processed on the opposite surface, a wire harness through hole extending into the accommodating groove is processed on the module lower cover 41, a waterproof ring 46 is installed in the wire harness through hole, a sealing ring is further arranged between the upper cover and the lower cover, the gun body 1 is provided with the power line 2 and the charging plug 3 connected with the control module, the integrated control module 4 is fixed in the gun body 1 through bolts.

In order to reduce the influence of the situations such as rainy days on the charging gun, two charging cores 32 such as DC +/DC-of the charging plug 3 are improved, as shown in fig. 4 and 5, the charging plug 3 comprises a shell 31 and two charging cores 32, step through holes 33 for accommodating the two charging cores 32 are processed on the shell 31, a large-diameter end 34 matched with the step through holes 33 is formed on each charging core 32, a sealing ring 35 matched with the inner wall of the step through hole 33 is installed on the outer wall of the large-diameter end 34, and water such as rain, water immersion, water soaking and the like can be prevented from entering the gun body 1 along the charging cores 32 through the sealing ring 35. Be equipped with annular visor 5 in the step through-hole 33, visor 5 passes through column dish spring 51 telescopically suit on charging core 32, and the inner wall of visor 5 and the 32 anchor ring clearance fit of charging core, and column dish spring 51 one end and visor 5 sealing connection, the other end and step through-hole 33 inner wall sealing connection can carry out the secondary protection to charging core 32, because column dish spring 51 is compressible, just can spill charging core 32 when the rifle that charges switches on with the charging seat, thereby has protected charging core 32.

A cavity 36 is formed in the shell 31 between the two charging cores 32, and strip-shaped holes 37 communicated with the two step through holes 33 are formed in two sides of the cavity 36 respectively; a limiting groove 38 is processed in the through hole 33 of the step at one end of the strip-shaped hole 37 close to the integrated control module 4, and the width of the limiting groove 38 is larger than that of the strip-shaped hole 37.

In order to prevent the socket 10 from being pushed out by the force applied to the protective cover 5 by the cylindrical disc spring 51, the protective cover 5 is provided with a limiting mechanism 6, as shown in fig. 8, two sets of limiting mechanisms 6 are symmetrically arranged on the protective cover 5, the limiting mechanism 6 comprises a sleeve 61, a locking tongue 62 and a pressure spring 63, the locking tongue 62 is telescopically arranged in the sleeve 61 through the pressure spring 63, the width of the locking tongue 62 is greater than the width of the strip-shaped hole 37 and less than the width of the limiting groove 38, one end of the sleeve 61 away from the limiting groove 38 is provided with a positioning hole 64 facing the same direction as the step through hole 33, an arc surface 65 is arranged on the locking tongue 62 in the positioning hole 64, when in use, the socket 10 with the convex block 101 is inserted into the positioning hole 64, and the protective cover 5 is pushed to compress the cylindrical disc spring 51 by the protective cover 5, so that the protective cover 5 moves towards the direction of the integrated, the lug 101 on the socket 10 extends into the positioning hole 64 to eject the bolt 62 into the limiting groove 38 for locking the cover plate; when the socket 10 is pulled out, the latch 62 is retracted into the sleeve 61 under the pulling of the compression spring 63 and the action of the arc surface 65 of the latch 62, and at this time, the protective cover 5 is ejected out under the action of the columnar disc spring 51 to protect the charging core 32.

One end of the cavity 36 is communicated with the gun body 1, in order to prevent rainwater, immersion water and soaking water from flowing into the gun body 1 from the cavity 36, a corrugated pipe 7 for sealing is sleeved in the cavity 36, a support rod 8 is sleeved in the corrugated pipe 7, one end of the support rod 8 is arranged in the gun body 1, one end, far away from the gun body 1, of the support rod 8 is connected with a short rod 81 penetrating through the corrugated pipe 7, two ends of the short rod 81 penetrate through the strip-shaped holes 37 and then are arranged in the step through holes 33, and a spring 82 enabling the support rod 8 to face away from the gun body 1 is arranged in the shell 31.

In order to prevent the open circuit caused by the contact between the charging core 32 and water when the charging core is not charged, the charging core 32 is improved, a power supply pile 47 aligned with the charging core 32 is processed on the module upper cover 42, a rotatable connection rod 9 is arranged in the gun body 1 between the power supply pile 47 and the charging core 32, the middle part of the connection rod 9 is hinged to the inner wall of the shell 31, overlapping wires 91 for connecting the power supply pile 47 and the charging core 32 are arranged at both ends of the connection rod 9, an elastic telescopic rod 92 is connected between the connection rod 9 and the support rod 8, when the short rod 81 is pressed down by the protective cover 5, the support rod 8 is driven to extend into the gun body 1, the elastic telescopic rod 92 connected to the support rod 8 drives the connection rod 9 to rotate, both ends of the overlapping wires 91 are respectively connected with the charging core 32 and the power supply pile 47, so as to generate electric quantity to charge the automobile; after the rifle that charges is extracted, vaulting pole 8 removes towards socket 10 direction under the effect of spring 82, and elasticity telescopic link 92 drives the binding post 9 and rotates this moment, makes the both ends of overlap joint 91 break away from respectively from charging core 32 and power supply stake 47, and the core 32 that charges is then not circular telegram this moment, can prevent to soak, the rifle short circuit that charges that soaks the production such as water.

The using method of the invention is as follows:

when the charging gun is used, the charging gun is inserted into the socket 10, the projection 101 on the socket 10 jacks up the protective cover 5 and pushes the protective cover 5 to the position of the limiting groove 38, and the projection 101 on the socket 10 extends into the positioning opening 64 of the limiting mechanism 6 and is used for pushing the bolt 62 out of the sleeve 61, so that the bolt 62 is matched with the limiting groove 38, and the columnar disc spring 51 is prevented from pushing the protective cover 5 to push the socket 10 out; when the socket 10 pushes the protection cover 5, the protection cover 5 drives the stay bar 8 to extend into the gun body 1 through the short bar 81, at this time, the spring 82 is compressed, the stay bar 8 drives the elastic telescopic rod 92 to enable the wiring rod 9 to rotate, the lap wire 91 on the wiring rod 9 is connected with the power supply pile 47 and the charging core 32 after the rotation, and the charging core 32 is powered on, and due to the adoption of the elastic telescopic rod 92, the lap wire 91 can be kept in a connected state after being contacted, so that the situation that the wiring rod 9 excessively rotates due to the fact that the displacement length of the stay bar 8 is long is avoided; after charging, the socket 10 is pulled out, at this time, the bump 101 on the socket 10 slides out from the limiting mechanism 6, then the spring 63 cooperates with the arc surface 65 of the latch 62 to withdraw the latch 62, and then the cylindrical disc spring 51 and the spring 82 recover to push the protective cover 5 and the stay bar 8 to the end far away from the gun body 1. In addition, through visor 5, sealing washer 35 and bellows 7, can prevent that water from getting into the rifle body 1 from charging plug 3, guaranteed the leakproofness of rifle body 1.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and inventive concept provided by the present invention should be covered within the scope of the present invention. It should be noted that structures or components illustrated in the drawings are not necessarily drawn to scale, and descriptions of well-known components and processing techniques and procedures are omitted to avoid unnecessarily limiting the invention.

Claims

1. The utility model provides a rifle module structure charges with high protection level which characterized in that: comprises a gun body, a power line and a charging plug, wherein the gun body is formed with a handle, the gun body is hollow, an integrated control module is arranged in the gun body, the integrated control module comprises a module lower cover, a module upper cover, a feedback switch, a microswitch and an electromagnetic lock, wherein the module lower cover and the module upper cover are oppositely arranged, and the opposite surface is provided with a containing groove for installing a feedback switch, a microswitch and an electromagnetic lock, a wire harness through hole extending into the accommodating groove is processed on the lower cover of the module, a waterproof ring is arranged in the wire harness through hole, a sealing ring is arranged between the upper cover and the lower cover, a power line and a charging plug which are connected with the control module are arranged on the gun body, the charging plug comprises a shell and two charging cores, step through holes for accommodating the two charging cores are processed in the shell, a large-diameter end matched with the step through holes is formed in each charging core, and a sealing ring matched with the inner wall of each step through hole is installed on the outer wall of each large-diameter end.

2. The charging gun module structure with high protection level according to claim 1, characterized in that: an annular protective cover is arranged in the step through hole, the protective cover is telescopically sleeved on the charging core through a columnar disc spring, and the inner wall of the protective cover is in clearance fit with the annular surface of the charging core.

3. The charging gun module structure with high protection level according to claim 1, characterized in that: a cavity is processed in the shell between the two charging cores, and strip-shaped holes communicated with the two step through holes are processed on two sides of the cavity respectively.

4. The charging gun module structure with high protection level according to claim 3, characterized in that: a limiting groove is processed in the through hole of the step at one end of the strip-shaped hole close to the integrated control module, and the width of the limiting groove is larger than that of the strip-shaped hole.

5. The charging gun module structure with high protection level according to claim 3, characterized in that: install stop gear on the protecting cover, stop gear has two sets ofly and the symmetry to install on the protecting cover, stop gear includes sleeve, spring bolt and pressure spring, the spring bolt passes through the pressure spring telescopic and installs in the sleeve, the width of spring bolt is greater than the width in bar hole and is less than the width of spacing groove, the one end processing that the spacing groove was kept away from to the sleeve has the location mouth the same with the step through-hole orientation, and processing has the arc surface on the intraoral spring bolt in location.

6. The charging gun module structure with high protection level according to claim 3, characterized in that: one end of the cavity is communicated with the gun body, a corrugated pipe for sealing is sleeved in the cavity, a support rod is sleeved in the corrugated pipe, one end of the support rod is arranged in the gun body, one end, far away from the gun body, of the support rod is connected with a short rod penetrating through the corrugated pipe, and two ends of the short rod penetrate through the strip-shaped holes and then are arranged in the step through holes.

7. The charging gun module structure with high protection level according to claim 1, characterized in that: and a spring which enables the support rod to face away from the gun body is arranged in the shell.

8. The charging gun module structure with high protection level according to claim 1, characterized in that: the module upper cover is provided with a power supply pile aligned with the charging core.

9. The charging gun module structure with high protection level according to claim 8, characterized in that: the internal rotatable connecting rod that is equipped with of rifle between power supply stake and the core that charges, the connecting rod middle part is articulated with the shell inner wall, and the both ends of connecting rod all are equipped with the overlap joint line of switch-on power supply stake and the core that charges, the connecting rod is connected with elastic telescopic rod with the vaulting pole.