CN116565626A - Power supply docking system for high-voltage power equipment - Google Patents
Power supply docking system for high-voltage power equipment Download PDFInfo
- Publication number
- CN116565626A CN116565626A CN202310839540.8A CN202310839540A CN116565626A CN 116565626 A CN116565626 A CN 116565626A CN 202310839540 A CN202310839540 A CN 202310839540A CN 116565626 A CN116565626 A CN 116565626A
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- plug
- socket
- section
- locking
- voltage power
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- 238000003032 molecular docking Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 210000001503 joint Anatomy 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 28
- 230000000670 limiting effect Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 claims description 2
- 238000010891 electric arc Methods 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 18
- 230000002829 reductive effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 229920001875 Ebonite Polymers 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/527—Flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention belongs to the technical field of high-voltage equipment, and particularly relates to a power supply docking system of high-voltage power equipment; the electric connector comprises two groups of connecting devices, wherein each group of connecting device comprises a plug and a socket, and the sockets of the two groups of connecting devices are connected in series; one end of the plug is connected with the high-voltage power equipment in series or connected with the power supply in series, and the other end of the plug is connected with the socket in series to realize the butt joint between the high-voltage power equipment and the power supply; the process of pulling out the plug from the socket is divided into two stages: a synchronization stage and a separation stage; in the synchronous stage, the serial connection relation between the plug and the socket is kept unchanged, and in the separation stage, the serial connection between the plug and the socket is gradually cancelled until the plug and the socket are disconnected; the invention can effectively avoid the occurrence of electric arc in the pulling-out process and avoid the damage of the contact caused by high temperature; when the electric arc fires accidentally, protective gas can be injected into the socket shell to play a role in extinguishing fire.
Description
Technical Field
The invention belongs to the technical field of high-voltage equipment, and particularly relates to a power supply docking system of high-voltage power equipment.
Background
The high-voltage connector is a connector for a high-voltage circuit, and is mainly used for a whole vehicle, a charging facility, industrial equipment, medical equipment and the like, in the use process of the high-voltage connector, electric arcs are easy to generate during plugging, strong light and high temperature are emitted, a contact is seriously burnt and an accident is caused, two patent documents related to solving the problem are searched, and the application publication numbers of the high-voltage connector are as follows: CN106159582A, CN109167197a, both documents describe that an arc is easy to generate in the process of plugging and separating the high-voltage electrical connector, how to avoid the arc in the high-voltage electrical connector is one of the problems that must be solved in realizing the practical application of the high-voltage electrical connector, based on this, the invention provides a power supply docking system of the high-voltage electrical device, which can effectively avoid the arc in the process of pulling out.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a power supply docking system of high-voltage power equipment, which can effectively avoid electric arc in the pulling-out process and avoid damage to contacts caused by high temperature.
The purpose of the invention is realized in the following way: the power supply docking system of the high-voltage power equipment comprises an electric connector, wherein the electric connector consists of two groups of connecting devices, each group of connecting devices comprises a plug and a socket, and the sockets of the two groups of connecting devices are connected in series; one end of the plug is connected with the high-voltage power equipment in series or connected with the power supply in series, and the other end of the plug is connected with the socket in series to realize the butt joint between the high-voltage power equipment and the power supply;
the process of pulling out the plug from the socket is divided into two stages: a synchronization stage and a separation stage; in the synchronization phase, the serial connection relation between the plug and the socket is kept unchanged, and in the separation phase, the serial connection between the plug and the socket is gradually cancelled until the plug and the socket are disconnected.
The plug comprises a locking section, one side of the locking section is provided with a plug power line connected with high-voltage power equipment or a power supply in series, the other side of the locking section is provided with a sealing section, and the free end of the sealing section is provided with a connecting section; the locking section is provided with a locking unit which is used for limiting and locking the plug in the socket after the plug is inserted into the socket.
The locking unit comprises mounting grooves arranged on two side surfaces of the locking section along the thickness direction, a locking block is slidably arranged in the mounting grooves, one end of the locking block extends out of the mounting grooves, an inclined surface is arranged on one side, facing the connecting section, of the locking block, and the distance between the inclined surface and the bottom of the mounting groove decreases along the direction, pointing to the connecting section, of the locking section; a lock spring is arranged between the locking block and the bottom of the mounting groove, and a limiting ring used for limiting the locking block to be separated is also arranged at the notch of the mounting groove.
The socket comprises an outer shell, a fixing hole is formed in the side face of the outer shell, a socket shell is fixedly arranged in the fixing hole, and the socket shell consists of a front section positioned outside the outer shell and a rear section positioned inside the outer shell.
One end of the front section is closed, the other end of the front section is open, the closed end is fixed with the orifice of the fixed hole, a sleeve hole is formed in the orifice of the sleeve hole, an envelope positioned in the outer shell body extends from the orifice of the sleeve hole, the envelope is correspondingly matched with the sealing section of the plug, and when the plug is inserted into the socket, the sealing section is positioned in the envelope and forms sealing fit with the envelope; the groove wall of the front section is provided with a locking groove which is correspondingly matched with the locking block, and the locking block is positioned in the locking groove after the plug is inserted into the socket; and an unlocking unit for unlocking the locking unit is further arranged on the front section.
The unlocking unit comprises a sliding sleeve vertically arranged on the outer wall of the front section and a sliding hole used for communicating the sliding sleeve with the locking groove, a pressing plate is arranged in the sliding sleeve in a sliding manner, a sliding rod is arranged in the sliding hole in a sliding manner, and the sliding rod is connected with the pressing plate; the slide bar is also sleeved with a release spring positioned between the pressing plate and the outer wall of the front section.
One end of the rear section is open, the other end of the rear section is closed, the open end of the rear section is fixedly connected with the closed end of the front section, and the envelope is positioned in the rear section; the cavity bottom of the rear section is vertically extended with a guide rod, a sliding plate is slidably arranged on the guide rod, a nut is arranged at the free end of the guide rod, a connector correspondingly matched with the connecting section of the plug is arranged on the sliding plate, and a travel spring positioned between the cavity bottom of the rear section and the sliding plate is sleeved outside the guide rod; in an initial state, the joint is close to the envelope; the closed end of the rear section is also provided with a mounting hole, a wiring element is mounted in the mounting hole, the wiring element is connected with the connector in series through wires, and the connectors in the two connecting devices are also connected in series through wires.
The rear section is provided with a tube head a communicated with the inner cavity of the rear section; the protective component is arranged in the outer shell and comprises a pump shell arranged in the outer shell, and the closed end of the pump shell is communicated with the pipe head a through a pipeline group;
the pipeline group comprises a pipeline I communicated with the pump shell and a pipeline II communicated with the pipe head a, a branch pipe I and a branch pipe II are arranged between the pipeline I and the pipeline II, a one-way valve for realizing one-way flow of gas from the pipe head a to the inside of the pump shell is arranged on the branch pipe I, and an electromagnetic valve a is arranged on the branch pipe II.
The free end of the piston rod extends out of the pump shell and is connected with a rack arranged in the outer shell in a sliding manner through a connecting rod, and the sliding direction of the rack is parallel to the extending direction of the piston rod; the rotary shaft is further rotatably arranged on the outer shell, the input end of the rotary shaft extends out of the outer shell and is connected with a handle, and the output end of the rotary shaft extends into the outer shell and is connected with a gear meshed with the rack.
The rear section is provided with a tube head b communicated with the inner cavity of the rear section, the outer shell is also internally provided with a gas tank, the gas tank is communicated with the tube head b through a connecting tube, and the connecting tube is provided with an electromagnetic valve b; protective gas is arranged in the gas tank, and the protective gas is in a high-pressure state in the gas tank.
The invention has the beneficial effects that: the invention relates to a power supply docking system of high-voltage power equipment, which divides the process of pulling out a plug from a socket into two stages: in the synchronous stage and the separation stage, the plug starts to be pulled out from the socket, but the serial connection relation between the plug and the socket is kept unchanged, so that in the process, the serial connection between the plug and the socket is kept in a relatively static state, the serial connection between the plug and the socket is not influenced by the external pulling action of the plug, the probability of arc occurrence is greatly reduced, in the separation stage, as the plug is pulled out for a preset distance, the plug is known to be pulled out from the socket, the initial pulling is the most difficult, the subsequent pulling process is smooth and quick under the action of inertia force and the like after the plug is pulled out, so that in the separation stage, the plug is pulled out from the socket smoothly and quickly, on one hand, the metal contact between the plug and the socket cannot be relatively displaced, on the other hand, the plug is pulled out from the socket quickly, and the smaller distance between the electrode on the plug and the corresponding electrode on the socket exists for a short time, which is negligible, so that the probability of arc occurrence is greatly reduced;
before the plug is pulled out, a user rotates the handle, sucks air in the rear section through the cooperation of the gear, the rack, the connecting rod, the piston rod and the piston, reduces the air content in the rear section, and because of the existence of the one-way valve and the electromagnetic valve a, the air cannot flow back, and the plug is pulled out after rotating a preset number of turns, at the moment, the sealing section is kept in sealing cooperation with the envelope when retreating in the pulling-out process until the sealing section is completely separated from the envelope, the process is enough for the connecting section to be far away from the joint, and the state of low air content is kept in the rear section all the time in the process, and the state of low air content is favorable for reducing the generation of electric arcs, so the probability of the electric arcs can be further reduced;
in the normal use or plug process of the plug and the socket, if an electric arc fires, a temperature sensor arranged in the rear section can sense and send a signal to the electromagnetic valve b, so that the connecting pipe is opened, and protective gas is injected into the socket shell to play a role in fire extinguishment.
Drawings
FIG. 1 is a schematic diagram of a high voltage power device, a power source, and an electrical connector therebetween;
FIG. 2 is a schematic diagram of an electrical connector of a power supply docking system for a high voltage electrical device according to the present invention;
FIG. 3 is an exploded view of a plug and socket of a power supply docking system for a high voltage power device of the present invention;
FIG. 4 is a cross-sectional view of a plug of a power supply docking system for a high voltage power device of the present invention;
FIG. 5 is a schematic view of the inside of the housing of the power docking system for a high voltage power device of the present invention;
FIG. 6 is a cross-sectional view of a socket housing of a power supply docking system for a high voltage power device in accordance with the present invention;
FIG. 7 is a cross-sectional view of a front section of a socket housing of a high voltage power device powered docking system in accordance with the present invention;
FIG. 8 is a cross-sectional view of the rear section of a socket housing of a high voltage power device powered docking system in accordance with the present invention;
FIG. 9 is a schematic diagram of a protective member and a gas tank of a power supply docking system for high voltage power equipment according to the present invention;
fig. 10 is a cross-sectional view of a plug of a power supply docking system for a high voltage power device of the present invention inserted into a receptacle.
The reference numerals in the drawings are:
100. an electrical connector;
200. a plug; 201. a locking section; 202. a plug power cord; 203. a sealing section; 204. a connection section; 205. a mounting groove; 206. a locking piece; 207. a lock spring;
300. a socket; 301. a front section; 302. a rear section; 303. an envelope; 304. a locking groove; 305. a sliding sleeve; 306. a slide hole; 307. a slide bar; 308. pressing the plate; 309. releasing a spring; 310. a guide rod; 311. a slide plate; 312. a travel spring; 313. a joint; 314. a wiring element; 315. a tube head;
400. a protective member; 401. a pump housing; 402. a piston rod; 403. a connecting rod; 404. a rack; 405. a gear; 406. a rotating shaft; 407. a handle; 408. a pipe group; 409. a one-way valve; 410. a solenoid valve a;
500. a gas tank; 501. a connecting pipe; 502. and a solenoid valve b.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the technical solutions in the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention relates to a power supply docking system of high-voltage power equipment, which comprises an electric connector 100, wherein the electric connector 100 consists of two groups of connecting devices, each group of connecting devices comprises a plug 200 and a socket 300, and the sockets 300 of the two groups of connecting devices are connected in series; one end of the plug 200 is connected with the high-voltage power equipment in series or connected with a power supply in series, and the other end of the plug is connected with the socket 300 in series to realize the butt joint between the high-voltage power equipment and the power supply;
the process of removing the plug 200 from the receptacle 300 is divided into two stages: a synchronization stage and a separation stage; the series relationship between the plug 200 and the receptacle 300 remains unchanged during the synchronization phase, and the series connection between the plug 200 and the receptacle 300 is gradually reversed during the disconnection phase until disconnected.
The sockets 300 of the two groups of connecting devices are connected in series, so that when the socket is used, the plug 200 corresponding to a power supply is inserted into the corresponding socket 300, the plug 200 corresponding to high-voltage power equipment is inserted into the socket 300, the power supply butt joint of the high-voltage power equipment can be realized, and in addition, the plug 200 in any group of connecting devices is pulled out, and the power supply breaking can be realized.
The chinese patent application publication No. CN115275713a discloses a high-speed back board connector, in which it is described that a plug is difficult to be pulled out from the connector by a user, in general, the user swings the plug from side to side and pulls the plug outward, so that the plug is pulled out from the connector, and in the analog high-voltage connector, there is also a problem that the plug 200 is difficult to be pulled out from the socket 300, the user swings the plug and pulls the plug outward while accustomed, so that the plug is pulled out, but the high-voltage connector is used for a high-voltage circuit, and this pulling habit is very easy to cause arc generation, and this pulling mode is easy to cause arc generation, on one hand, the plug is continuously swung, so that the metal contact between the plug and the socket is relatively displaced, on the other hand, the plug is pulled out from the socket slowly, and the electrode on the plug and the corresponding electrode on the socket are already separated from contact when pulling the plug, and a small distance exists, and the arc is very easy to be generated when the small distance exists; in this application, the process of removing the plug 200 from the socket 300 is divided into two stages: in the synchronization stage and the separation stage, in the synchronization stage, the plug 200 starts to be pulled out from the socket 300, but the serial connection relationship between the plug 200 and the socket 300 is kept unchanged, so that in the separation stage, the serial connection between the plug 200 and the socket 300 is kept in a relatively static state, the serial connection between the plug and the socket is not influenced by the external pulling action of the plug 200, the probability of occurrence of an arc is greatly reduced, in the separation stage, since the plug 200 is pulled out for a preset distance, as is well known, when the plug 200 is pulled out from the socket 300, the initial pulling out is the most difficult, and the subsequent pulling out process is smooth and quick under the action of inertia force and the like after the plug 200 is pulled out, so that in the separation stage, the plug 200 is pulled out from the socket 300 smoothly and quickly, on the one hand, the relative displacement between the plug and the socket is not generated, on the other hand, the existence time of a smaller distance between an electrode on the plug and a corresponding electrode on the socket is very small, and can be ignored, and the occurrence probability of an arc is greatly reduced.
Further, as shown in fig. 4, the plug 200 includes a locking section 201, one side of the locking section 201 is provided with a plug power line 202 connected in series with a high-voltage power device or power supply, the other side is provided with a sealing section 203, and a free end of the sealing section 203 is provided with a connecting section 204; the locking section 201 is provided with a locking unit for restraining and locking the plug 200 in the socket 300 after the plug 200 is inserted into the socket 300; the outer side of the sealing section 203 is provided with a rubber layer made of hard rubber, and is used for forming sealing fit with the socket 300 after the plug 200 is inserted into the socket 300, and the connecting section 204 is used for being inserted into the corresponding part of the socket 300 after the plug 200 is inserted into the socket 300, so that the plug 200 and the socket 300 are connected in series.
Further, as shown in fig. 4, the locking unit includes mounting grooves 205 provided on both side surfaces of the locking section 201 in the thickness direction, a locking piece 206 is slidably provided in the mounting groove 205, one end of the locking piece 206 protrudes outside the mounting groove 205 and a slope is provided on a side of the portion facing the connecting section 204, and a distance between the slope and a bottom of the mounting groove 205 decreases in a direction in which the locking section 201 points to the connecting section 204; a lock spring 207 is arranged between the lock block 206 and the bottom of the mounting groove 205; during the process of inserting the plug 200 into the socket 300, the locking block 206 is matched with the locking groove 304 on the socket 300, so that the plug 200 and the socket 300 are locked.
Further, the notch of the mounting groove 205 is further provided with a limiting ring for limiting the locking piece 206 to be separated, specifically, an external step is arranged on one side, facing the bottom of the mounting groove 205, of the locking piece 206, sliding fit is achieved with the mounting groove 205 through the external step, and the limiting ring arranged at the notch of the mounting groove 205 is matched with the external step, so that the locking piece 206 can be prevented from being separated from the mounting groove 205.
As shown in fig. 1-3, the socket 300 includes an outer housing, a fixing hole is formed in a side surface of the outer housing, and a socket housing is fixedly disposed in the fixing hole, and as shown in fig. 6-8, the socket housing is composed of a front section 301 located outside the outer housing and a rear section 302 located inside the outer housing.
As shown in fig. 7, one end of the front section 301 is closed, one end is open, the closed end is fixed with the orifice of the fixing hole and is provided with a sleeve hole, the orifice of the sleeve hole is extended with an envelope 303 positioned in the outer shell, the envelope 303 is correspondingly matched with the sealing section 203 of the plug 200, the inner wall of the envelope 303 is also provided with a rubber layer made of hard rubber, and when the plug 200 is inserted into the socket 300, the sealing section 203 is positioned in the envelope 303 and forms sealing fit with the envelope.
The slot wall of the front section 301 is provided with a locking slot 304 correspondingly matched with the locking piece 206, and when the plug 200 is inserted into the socket 300, the locking piece 206 is positioned in the locking slot 304, the plug 200 and the socket 300 are locked through the matching of the locking piece and the locking piece, and at the moment, the outer wall of the locking section 201 is attached to the inner wall of the front section 301, and a shaft shoulder formed between the locking section 201 and the sealing section 203 is attached to the cavity bottom of the front section 301.
The front section 301 is further provided with an unlocking unit for unlocking the locking unit, specifically, the unlocking unit comprises a sliding sleeve 305 vertically arranged on the outer wall of the front section 301 and a sliding hole 306 for communicating the sliding sleeve 305 with a locking groove 304, a pressing plate 308 is arranged in the sliding sleeve 305 in a sliding manner, a sliding rod 307 is arranged in the sliding hole 306 in a sliding manner, the sliding rod 307 is connected with the pressing plate 308, and a release spring 309 between the pressing plate 308 and the outer wall of the front section 301 is also sleeved on the sliding rod 307; pressing the pressing plate 308 can press the lock block 206 through the slide bar 307, so that the lock block 206 is retracted into the mounting groove 205, then the plug 200 can be pulled out, and the pressing plate 308 can be released after the plug 200 is pulled out a little.
As shown in fig. 8, one end of the rear section 302 is open, one end is closed, the open end is fixed with the closed end of the front section 301, the envelope 303 is located in the rear section 302, the cavity bottom of the rear section 302 vertically extends to form a guide rod 310, a sliding plate 311 is slidably mounted on the guide rod 310, a nut is arranged at the free end of the guide rod 310, a connector 313 correspondingly matched with the connecting section 204 of the plug 200 is mounted on the sliding plate 311, a travel spring 312 located between the cavity bottom of the rear section 302 and the sliding plate 311 is sleeved outside the guide rod 310, in an initial state, the connector 313 is close to the envelope 303, that is, in the process of inserting the plug 200 into the socket 300, the connector 313 is pushed to move backwards by a preset distance after the connecting section 204 is inserted into the connector 313, and the travel spring 312 is compressed.
The closed end of the rear section 302 is also provided with a mounting hole, a wiring element 314 is mounted in the mounting hole, the wiring element 314 is connected with a connector 313 in series through wires, and the connectors 313 in the two connecting devices are also connected in series through wires.
The use process of the plug 200 and the socket 300 is as follows:
when the plug 200 is inserted into the socket 300 and the plugging is completed, as shown in fig. 10, the locking between the plug 200 and the socket 300 is realized through the matching of the locking block 206 and the locking groove 304, meanwhile, the shaft shoulder formed between the locking section 201 and the sealing section 203 is attached to the cavity bottom of the front section 301, the sealing section 203 is positioned in the envelope 303 and forms sealing fit, the connecting section 204 is inserted into the joint 313 to realize the series connection between the plug 200 and the socket 300, the joint 313 is retracted by a preset distance, and the stroke spring 312 is compressed; the device has the advantages that the locking unit is used for locking the plug 200 and the socket 300, the plug connection is more stable, the joint 313 has a forward trend through the travel spring 312, and the serial connection relationship between the joint 313 and the connecting section 204 is more stable;
the user presses the pressing plate 308, and can press the lock block 206 through the slide bar 307, so that the lock block 206 is retracted into the mounting groove 205, and then the plug 200 can be pulled out outwards, and the pressing plate 308 can be released after the plug 200 is pulled out a little, in addition, in the process that the user pulls out the plug 200 outwards, the stroke spring 312 releases the elastic force initially, the joint 313 and the connecting section 204 remain relatively static, the serial relationship between the joint 313 and the connecting section 204 is unchanged, namely, the synchronization stage, and then, after the elastic force in the row Cheng Danhuang 312 is released, namely, the separation stage, and the advantages of the synchronization stage and the separation stage are described above, and are not repeated herein.
Further, as shown in fig. 5, the protection member 400 is further provided in the outer housing, so that the probability of arc occurrence when the plug 200 is pulled out can be further reduced.
Specifically, as shown in fig. 8, a tube head 315 communicating with the inner cavity is disposed on the rear section 302, and the tube head 315 is provided with two: tube head a and tube head b.
As shown in fig. 9, the protection member 400 includes a pump housing 401 mounted in the outer housing, the closed end of the pump housing 401 is communicated with the pipe head a through a pipe group 408, concretely, the pipe group includes a first pipe communicated with the pump housing 401 and a second pipe communicated with the pipe head a, a first branch pipe and a second branch pipe are arranged between the first pipe and the second pipe, and the four pipes cooperate to divide the flow path of the pipe group 408 into two parts: the first path and the second path are communicated with each other through any path, a one-way valve 409 is arranged on the first branch pipe and used for realizing one-way flow of gas from the first pipe to the inside of the pump shell 401, and an electromagnetic valve a410 is arranged on the second branch pipe and corresponds to the second path.
A piston is sleeved in the pump shell 401, a piston rod 402 extends from the end surface of the piston, the free end of the piston rod 402 extends out of the pump shell 401 and is connected with a rack 404 slidably mounted in the outer shell through a connecting rod 403, the sliding direction of the rack 404 is parallel to the extending direction of the piston rod 402, a rotating shaft 406 is rotatably mounted on the outer shell, the input end of the rotating shaft 406 extends out of the outer shell and is provided with a handle 407, and the output end of the rotating shaft extends into the outer shell and is provided with a gear 405 meshed with the rack 404.
Before the plug 200 is pulled out, the user rotates the handle 407 first, drives the piston rod 402 and the piston to move through the cooperation of the gear 405 and the rack 404, and then sucks air in the rear section 302 through the path of the pipeline group 408, so that the air content in the rear section 302 is reduced, the air cannot flow back due to the existence of the one-way valve 409 and the electromagnetic valve a410, and after a preset number of rotations, the plug 200 is pulled out again, at this time, the sealing section 203 is kept in sealing fit with the envelope 303 when being retracted in the pulling-out process until the sealing section 203 is completely separated from the envelope 303, the process is enough to keep the connecting section 204 away from the joint 313, and the state of low air content in the rear section 302 is kept, so that the generation of electric arcs is facilitated to be reduced, so that the probability of the electric arcs can be further reduced.
Further, as shown in fig. 5 and 9, a gas tank 500 is further disposed in the outer housing, the gas tank 500 is communicated with the pipe head b through a connecting pipe 501, and a solenoid valve b502 is disposed on the connecting pipe 501, and a protective gas, such as heptafluoropropane, inert gas, etc., is disposed in the gas tank 500, and the protective gas is in a high pressure state in the gas tank 500, which is characterized in that, when the plug 200 and the socket 300 are normally used or plugged in and out, if an arc ignition phenomenon occurs accidentally, a temperature sensor disposed in the rear section 302 senses and sends a signal to the solenoid valve b502, so that the connecting pipe 501 is opened, and the protective gas is injected into the socket housing to perform a fire extinguishing function.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (10)
1. A high voltage power equipment power supply docking system comprising an electrical connector (100), characterized in that:
the electric connector (100) is composed of two groups of connecting devices, each group of connecting devices comprises a plug (200) and a socket (300), and the sockets (300) of the two groups of connecting devices are connected in series; one end of the plug (200) is connected with the high-voltage power equipment in series or connected with a power supply in series, and the other end of the plug is connected with the socket (300) in series to realize the butt joint between the high-voltage power equipment and the power supply;
the process of extracting the plug (200) from the socket (300) is divided into two phases: a synchronization stage and a separation stage; the serial connection between the plug (200) and the socket (300) remains unchanged during the synchronization phase, and the serial connection between the plug (200) and the socket (300) is gradually withdrawn until the disconnection during the separation phase.
2. The high voltage power device powered docking system of claim 1, wherein: the plug (200) comprises a locking section (201), one side of the locking section (201) is provided with a plug power line (202) connected with high-voltage power equipment or power supply in series, the other side of the locking section is provided with a sealing section (203), and the free end of the sealing section (203) is provided with a connecting section (204); the locking section (201) is provided with a locking unit for restraining and locking the plug (200) in the socket (300) after the plug (200) is inserted into the socket (300).
3. A high voltage power equipment powered docking system as recited in claim 2, wherein: the locking unit comprises mounting grooves (205) arranged on two side surfaces of the locking section (201) along the thickness direction, a locking block (206) is arranged in the mounting grooves (205) in a sliding mode, one end of the locking block (206) extends out of the mounting grooves (205) and is provided with an inclined surface towards one side of the connecting section (204), and the distance between the inclined surface and the bottom of the mounting grooves (205) decreases along the direction that the locking section (201) points to the connecting section (204); a lock spring (207) is arranged between the lock block (206) and the bottom of the mounting groove (205), and a limiting ring for limiting the lock block (206) from being separated is further arranged on the notch of the mounting groove (205).
4. A high voltage power equipment powered docking system as recited in claim 2, wherein: the socket (300) comprises an outer shell, a fixing hole is formed in the side face of the outer shell, a socket shell is fixedly arranged in the fixing hole, and the socket shell consists of a front section (301) located outside the outer shell and a rear section (302) located inside the outer shell.
5. The high voltage power device powered docking system of claim 4, wherein: one end of the front section (301) is closed, the other end of the front section is open, the closed end is fixed with the orifice of the fixed hole, a sleeve hole is formed in the orifice of the sleeve hole, an envelope (303) positioned in the outer shell body extends at the orifice of the sleeve hole, the envelope (303) is correspondingly matched with the sealing section (203) of the plug (200), and when the plug (200) is inserted into the socket (300), the sealing section (203) is positioned in the envelope (303) and forms sealing fit with the envelope; a locking groove (304) which is correspondingly matched with the locking piece (206) is formed in the groove wall of the front section (301), and the locking piece (206) is positioned in the locking groove (304) after the plug (200) is inserted into the socket (300); the front section (301) is further provided with an unlocking unit for unlocking the locking unit.
6. The high voltage power device powered docking system of claim 5, wherein: the unlocking unit comprises a sliding sleeve (305) vertically arranged on the outer wall of the front section (301) and a sliding hole (306) used for communicating the sliding sleeve (305) with the locking groove (304), a pressing plate (308) is arranged in the sliding sleeve (305) in a sliding manner, a sliding rod (307) is arranged in the sliding hole (306) in a sliding manner, and the sliding rod (307) is connected with the pressing plate (308); the slide bar (307) is also sleeved with a release spring (309) positioned between the pressing plate (308) and the outer wall of the front section (301).
7. The high voltage power device powered docking system of claim 5, wherein: one end of the rear section (302) is open, the other end of the rear section is closed, the open end of the rear section is fixedly connected with the closed end of the front section (301), and the envelope (303) is positioned in the rear section (302); the cavity bottom of the rear section (302) is vertically extended with a guide rod (310), a sliding plate (311) is slidably arranged on the guide rod (310), a nut is arranged at the free end of the guide rod (310), a connector (313) which is correspondingly matched with the connecting section (204) of the plug (200) is arranged on the sliding plate (311), and a travel spring (312) which is positioned between the cavity bottom of the rear section (302) and the sliding plate (311) is sleeved outside the guide rod (310); in an initial state, the joint (313) is close to the envelope (303); the closed end of the rear section (302) is also provided with a mounting hole, a wiring element (314) is mounted in the mounting hole, the wiring element (314) and the joint (313) are connected in series through wires, and the joints (313) in the two connecting devices are also connected in series through wires.
8. The high voltage power device powered docking system of claim 7, wherein: the rear section (302) is provided with a tube head a communicated with the inner cavity of the rear section; a protective member (400) is arranged in the outer shell, the protective member (400) comprises a pump shell (401) arranged in the outer shell, and the closed end of the pump shell (401) is communicated with the pipe head a through a pipeline group (408);
the pipeline group (408) comprises a pipeline I communicated with the pump shell (401) and a pipeline II communicated with the pipe head a, a branch pipe I and a branch pipe II are arranged between the pipeline I and the pipeline II, a one-way valve (409) for realizing one-way flow of gas from the pipe head a to the inside of the pump shell (401) is arranged on the branch pipe I, and an electromagnetic valve a (410) is arranged on the branch pipe II.
9. The high voltage power device powered docking system of claim 8, wherein: a piston is sleeved in the pump shell (401), a piston rod (402) extends from the end surface of the piston, the free end of the piston rod (402) extends out of the pump shell (401) and is connected with a rack (404) arranged in the outer shell in a sliding manner through a connecting rod (403), and the sliding direction of the rack (404) is parallel to the extending direction of the piston rod (402); the rotary shaft (406) is further rotatably arranged on the outer shell, the input end of the rotary shaft (406) extends out of the outer shell and is connected with a handle (407), and the output end extends into the outer shell and is connected with a gear (405) meshed with the rack (404).
10. The high voltage power device powered docking system of claim 7, wherein: the rear section (302) is provided with a tube head b communicated with the inner cavity of the rear section, the outer shell is internally provided with a gas tank (500), the gas tank (500) is communicated with the tube head b through a connecting tube (501), and the connecting tube (501) is provided with an electromagnetic valve b (502); the gas tank (500) is internally provided with protective gas, and the protective gas is in a high-pressure state in the gas tank (500).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310839540.8A CN116565626B (en) | 2023-07-10 | 2023-07-10 | Power supply docking system for high-voltage power equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310839540.8A CN116565626B (en) | 2023-07-10 | 2023-07-10 | Power supply docking system for high-voltage power equipment |
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| CN116565626B CN116565626B (en) | 2023-09-15 |
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| CN213212544U (en) * | 2020-08-18 | 2021-05-14 | 张毅 | Battery plug structure and battery adopting same |
| CN112821138A (en) * | 2020-12-30 | 2021-05-18 | 华为技术有限公司 | Electric connector and electric equipment |
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| JPH07122332A (en) * | 1993-10-25 | 1995-05-12 | Japan Aviation Electron Ind Ltd | Hot-line insertion/extraction connector |
| CN1461506A (en) * | 2000-10-24 | 2003-12-10 | 奥玛塞博及Cia股份有限公司 | Interconnection assembly for electric switchgear |
| CN101651270A (en) * | 2009-07-22 | 2010-02-17 | 中航光电科技股份有限公司 | Safe ventilated electric connector |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN116565626B (en) | 2023-09-15 |
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