CN113507021A - A flame-retardant cable for filling electric pile and coupling mechanism thereof - Google Patents
A flame-retardant cable for filling electric pile and coupling mechanism thereof Download PDFInfo
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- CN113507021A CN113507021A CN202110614166.2A CN202110614166A CN113507021A CN 113507021 A CN113507021 A CN 113507021A CN 202110614166 A CN202110614166 A CN 202110614166A CN 113507021 A CN113507021 A CN 113507021A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 239000003063 flame retardant Substances 0.000 title claims abstract description 13
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 230000008878 coupling Effects 0.000 title claims description 4
- 238000010168 coupling process Methods 0.000 title claims description 4
- 238000005859 coupling reaction Methods 0.000 title claims description 4
- 238000002347 injection Methods 0.000 claims abstract description 37
- 239000007924 injection Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000005253 cladding Methods 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 4
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims 4
- 239000010410 layer Substances 0.000 claims 2
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 47
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 210000001787 dendrite Anatomy 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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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
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
-
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a flame-proof cable for a charging pile and a connecting mechanism thereof, and relates to the technical field of flame-proof cables, and the flame-proof cable comprises a charging pile, a charging plug, a cable conductor, a clamping block and an air injection groove, wherein a charging socket is arranged on the side surface of the charging pile, a fixed groove surrounding a circle is arranged on the inner wall of the charging socket, a first connecting column penetrates through the bottom of the charging socket, a valve penetrates through the center of the bottom of the charging socket, the top end of the valve is fixedly connected with a sealing ring, a first air plug is arranged in the valve in a sliding manner, the first air plug is fixedly connected with a bearing column which is positioned in a movable chamber, the bearing column is fixedly connected with a stress spring, and the other end of the stress spring is fixedly connected with a base fixedly connected with the inner wall of the movable chamber; the invention has simple structure, easy operation and good flame retardant property, can automatically cut off the power and spray extinguishing gas when a short circuit condition occurs in a dangerous case, improves the safety during charging and is suitable for popularization.
Description
Technical Field
The invention belongs to the technical field of flame-proof cables, and particularly relates to a flame-proof cable for a charging pile and a connecting mechanism of the flame-proof cable.
Background
The charging pile has the function similar to an oiling machine in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, markets, public parking lots and the like) and residential district parking lots or charging stations, and can charge various types of electric vehicles according to different voltage grades. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile. But because technical problem, there is the potential safety hazard when electric automobile charges, and the battery fires easily, and the main reason of firing when charging is because: when overcharge occurs, the number of lithium atoms remaining in the positive electrode material is too small, resulting in permanent reduction in battery capacity. At the negative electrode end, after lithium atoms are saturated, recharging causes lithium metal to deposit on the surface of the negative electrode material, forming dendrites. After a long time, the lithium dendrites will break through the separator, causing short circuit between the positive and negative electrodes and release heat energy. Meanwhile, materials such as electrolyte and the like are often cracked to generate gas during overcharge, and oxygen is accumulated on the surface of the negative electrode, so that the battery is ignited. Therefore, this example provides a fire-retardant cable and coupling mechanism for filling electric pile that has good fire behaviour, can auto-power-off and spray fire extinguishing gas when taking place the short circuit condition in dangerous situation and appear, security when improving to charge.
Disclosure of Invention
The invention aims to provide a flame-retardant cable for a charging pile and a connecting mechanism thereof, which are simple in structure, easy to operate and good in flame retardance, can automatically cut off power and spray fire extinguishing gas when a short circuit condition occurs in a dangerous case, improve the safety during charging and are suitable for popularization.
The invention provides the following technical scheme: a flame-proof cable for a charging pile and a connecting mechanism thereof comprise a charging pile, a charging plug, a cable, a clamping block and an air injection groove, wherein a charging socket is arranged on the side surface of the charging pile, a fixing groove surrounding a circle is formed in the inner wall of the charging socket, a first connecting column penetrates through the bottom of the charging socket, a valve penetrates through the center of the bottom of the charging socket, a sealing ring is fixedly connected to the top end of the valve, a first air plug is arranged in the valve in a sliding mode, the first air plug is fixedly connected with a bearing column which is located in a movable chamber, the bearing column is fixedly connected with a stress spring, the other end of the stress spring is fixedly connected with a base fixedly connected with the inner wall of the movable chamber, and a storage chamber is communicated below the movable chamber;
the shape of the charging plug is matched with that of the charging socket, one end of the charging plug is provided with a first connecting groove matched with a first connecting column, the charging plug is fixedly provided with a ventilating column matched with the shape and the position of a valve, the top of the ventilating column is provided with an air inlet notch, the ventilating column is provided with a sealing groove at the joint of the charging plug, two sides of the charging plug are fixedly provided with fixing clamps, and the other end of the charging plug is fixedly and hermetically connected with a cable;
a through center hole is formed in the center of the circle inside the cable, one end of the center hole is fixedly connected with the ventilation column, the other end of the center hole is fixedly connected with the air injection hole, the outer surface of the cable is wrapped with an outer wrapping layer, an inner wrapping layer is fixedly wrapped inside the outer wrapping layer, the inner wrapping layer is filled with filler, a cable is fixedly arranged inside the filler, one end of the cable is fixedly connected with the first connecting groove, and the other end of the cable is fixedly connected with the second connecting groove;
the card is gone into the piece and is run through and fixed linking to each other with the cable conductor, the card is gone into the piece and is equipped with the income draw-in groove that encircles a week, income draw-in groove bilateral symmetry sliding connection has the connecting block, fixed surface is connected with and income draw-in groove assorted card limit on the connecting block, the card is gone into the piece and is kept away from the fixed and symmetry of one end of cable conductor and be equipped with the receptor, the slip of receptor side surface is equipped with and pops out the lug, the fixed measuring ring that is equipped with in one side of receptor symmetry, card income piece fixedly connected with outage dish, the outage dish is fixed and airtight linking to each other with the cable conductor that runs through the card income piece, the fumarole has been seted up on the outage dish, be equipped with the second spread groove on the outage dish, the card is gone into the piece and is connected with jet-propelled groove through card limit card, jet-propelled groove side surface is the fire prevention net.
Preferably, the inside of the clamping block is provided with an ammeter, the clamping block is internally provided with a processor and a stretching device, the processor on the clamping block sends a corresponding command to the stretching device through data fed back by a sensor and obtained by the ammeter, and the ejection bump and the connecting block are used for controlling the stretching device.
Preferably, the first air plug side is hermetically connected with the valve.
Preferably, the stressed spring is of a conical structure, and the sharp end of the stressed spring is connected with the bearing column.
Preferably, the vent post is opposite the valve position when the charging plug is inserted and is in sealed connection with the valve.
Preferably, the fixation clamp is connected with the sideline department that charging plug is located the side, and the fixation clamp comprises solid elastic material, the mount outside be equipped with fixed slot assorted arch, bellied position satisfies when charging plug inserts charging socket completely, in the fixed slot is gone into to the protruding card, fixation clamp both sides fixedly connected with atress board.
Preferably, the outer covering layer is composed of armor and a hard rubber layer, the armor wraps the inner covering layer, one end of the inner covering layer is connected with the ventilation column in a sealing mode, the other end of the inner covering layer is connected with the air injection hole in a sealing mode, and the filler is composed of soft rubber.
Preferably, the air injection groove is fixedly provided with a second connecting column matched with the position shape of the second connecting groove in a penetrating mode, the air injection groove is fixedly provided with a second air plug matched with the position shape of the air injection hole, and a groove matched with the position shape of the clamping edge is formed in the air injection groove.
Preferably, the measuring ring is in contact on its inside with the second connecting stub when the circuit is closed.
The invention has the beneficial effects that: simple structure, easily operation has good fire behaviour, can auto-power-off and spray the fire extinguishing gas when taking place the short circuit condition to appear in the dangerous situation, improves the security when charging, specifically as follows:
(1) the invention is provided with a storage chamber, fire extinguishing gas is stored in the storage chamber and has air pressure, a charging plug is inserted through a charging socket on a charging pile, a fixing clamp is combined with a fixed groove, a sealing ring on a valve is combined with a sealing groove, a vent column is inserted into the valve, a first air plug is pushed into a movable chamber, gas in the storage chamber enters the vent column through an air inlet gap, the gas enters an inner cladding layer in a cable connected with the vent column through the vent column, the whole cable is introduced through a central hole, the interior of the cable is filled with the fire extinguishing gas, the gas is blocked by a second air plug after being introduced into a gas orifice in a clamping block, the gas is prevented from leaking, when the cable is ignited, the fire extinguishing gas in the cable can play a flame retarding role, and the cable is covered on a fire extinguishing point to extinguish fire when the cable is burnt through.
(2) The invention is provided with a clamping block, a processor and a stretching device are arranged in the clamping block, the popping block and the connecting block are controlled by the stretching device, the inner side of a measuring ring on the clamping block is contacted with a second connecting column when a circuit is closed, the measuring ring measures the current circulating through the measuring ring during charging and feeds the current back to the processor, when a battery is in short circuit, the processor sends a command to the stretching device to instruct the connecting block to move into a receiving clamping groove, a clamping edge is received into the receiving clamping groove, the clamping block is separated from an air injection groove, meanwhile, the popping block pops outwards, a power-off disc is separated from the second connecting column to cut off the power, an air injection hole is separated from a second air plug, fire extinguishing gas in a cable flows into the air injection groove and is released outwards from a fire prevention net on the air injection groove, and the effects of fire extinguishing and fire prevention are achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of a charging plug of the present invention;
FIG. 3 is a schematic view of a snap-in block of the present invention;
FIG. 4 is a cross-sectional view of a living room of the present invention;
FIG. 5 is a cross-sectional view of a cable of the present invention;
labeled as: the device comprises an electric pile 1, a charging socket 2, a fixing groove 3, a first connecting column 4, a valve 5, a charging plug 6, a fixing clamp 7, a stress plate 8, a cable 9, a clamping block 10, a clamping edge 11, a receiving clamping groove 12, a receiver 13, a popping bump 14, a measuring ring 15, a power-off disc 16, an air injection groove 17, a fireproof net 18, a first air plug 19, a second connecting column 20, an air-through column 21, a sealing groove 22, an air inlet notch 23, a first connecting groove 24, a connecting block 25, a second connecting groove 26, an air injection hole 27, a sealing ring 28, a second air plug 29, a movable chamber 30, a storage chamber 31, a bearing column 32, a base 33, a stress spring 34, a central hole 35, a filling hole 36, a cable 37, an inner cladding layer 38 and an outer cladding layer 39.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, e.g. as a fixed connection, a detachable connection or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 4, a flame-retardant cable for a charging pile and a connecting mechanism thereof, includes a charging pile 1, a charging plug 6, a cable 9, a clamping block 10 and a gas injection groove 17, wherein a charging socket 2 is arranged on a side surface of the charging pile 1, a fixing groove 3 surrounding a circle is arranged on an inner wall of the charging socket 2, the charging plug 6 is fixed through the fixing groove 3, a first connecting column 4 is arranged at the bottom of the charging socket 2 in a penetrating manner, a valve 5 is arranged at the center of the bottom of the charging socket 2 in a penetrating manner, fire extinguishing gas is released through the valve 5, a sealing ring 28 is fixedly connected to the top end of the valve 5, gas leakage is prevented through the sealing ring 28, a first gas plug 19 is arranged inside the valve 5 in a sliding manner, the first gas plug 19 is fixedly connected with a receiving column 32 located in a movable chamber 30, the receiving column 32 is fixedly connected with a stress spring 34, the first gas plug 19 is opened through the motion of the stress spring 34, the other end of the stress spring 34 is fixedly connected with a base 33 fixedly connected with the inner wall of the movable chamber 30, a storage chamber 31 is communicated below the movable chamber 30, and fire extinguishing gas is stored in the storage chamber.
Referring to fig. 1-2, the shape of the charging plug 6 and the shape of the charging socket 2 match each other, one end of the charging plug 6 is provided with a first connecting groove 24 matched with the first connecting post 4, the circuit is connected with the first connecting post 4 through the first connecting groove 24, the charging plug 6 is fixedly provided with an air vent post 21 matched with the shape and the position of the valve 5, the top of the air vent post 21 is provided with an air inlet gap 23, the gas in the storage chamber 31 enters the ventilation column 21 through the gas inlet notch 23, a sealing groove 22 is arranged at the joint of the ventilation column 21 and the charging plug 6, the sealing groove 22 is combined with a sealing ring 28 to prevent the gas from leaking, fixing clamps 7 are fixedly arranged on two sides of the charging plug 6, the bulge of fixing frame 7 is combined with fixed slot 3 to fix charging plug 6, and the other end of charging plug 6 is fixedly connected with cable 9 in a sealing manner.
Referring to fig. 1 and 5, a center hole 35 is formed in the center of the inside of the cable 9, fire extinguishing gas is flushed into the center hole 35, one end of the center hole 35 is fixedly connected with the ventilation column 21, the other end of the center hole is fixedly connected with the gas injection hole 27, the gas is released through the gas injection hole 27, the outer surface of the cable 9 is wrapped with an outer tegument 39, an inner cladding 38 is fixedly wrapped inside the outer tegument 39, a filling 36 is filled in the inner cladding 38, a cable 37 is fixedly arranged inside the filling 36, one end of the cable 37 is fixedly connected with the first connecting groove 24, and the other end of the cable 37 is fixedly connected with the second connecting groove 26, so that the circuit is connected.
Referring to fig. 1 and 3, the clamping block 10 penetrates through and is fixedly connected with the cable 9, the circuit breaking and the fire extinguishing gas releasing are realized by the movement of the clamping block 10 in the air injection groove 22, the clamping block 10 is provided with an incoming clamping groove 12 surrounding a circle, two sides of the incoming clamping groove 12 are symmetrically and slidably connected with connecting blocks 25, the clamping blocks 11 are driven by the connecting blocks 25 to enter the incoming clamping groove 12 to separate the clamping block 10 from the air injection groove 22, the clamping edges 11 matched with the incoming clamping groove 12 are fixedly connected to the upper surface of the connecting blocks 25, the clamping block 10 and the air injection groove 22 are fixed by combining the clamping edges 11 with the air injection groove 22, one end of the clamping block 10 far away from the cable 9 is fixed and symmetrically provided with a sensor 13, the current result is detected by the sensor 13, the side surface of the sensor 13 is slidably provided with an ejecting lug 14, the clamping block 10 is separated from the air injection groove 22 by ejecting the ejecting lug 14, the fixed ring 15 that is equipped with of one side of susceptor 13 symmetry detects through measuring ring 15 on to second spliced pole 20 through the electric current, block 10 fixedly connected with outage dish 16 blocks into, outage dish 16 is fixed and airtight continuous with the cable conductor 9 that runs through block 10 into, the fumarole 27 has been seted up on the outage dish 16, be equipped with second spread groove 26 on the outage dish 16, combine the switch-on circuit through second spread groove 26 and second spliced pole 20, block 10 is connected with jet slot 22 through card limit 11 kaysering, connects equipment such as rifle that charges through jet slot 22 to spout when necessary and put fire extinguishing gas, jet slot 22 side surface is fire prevention net 18, will release to the external world from the fire extinguishing gas of release in the jet slot through fire prevention net 18.
Furthermore, an ammeter is arranged inside the clamping block 10, a processor and a stretching device are arranged in the clamping block 10, the processor on the clamping block 10 feeds back data obtained by the ammeter through a receptor 13 to send a corresponding command to the stretching device, and the ejecting bump 14 and the connecting block 25 are controlled by the stretching device.
Further, the side of the first air plug 19 is hermetically connected with the valve 5.
Further, the vent post 21 is positioned opposite to the valve 5 when the charging plug 6 is inserted, and is hermetically connected to the valve 5.
Further, fixation clamp 7 is located the sideline department of side with charging plug 6 and is connected, and fixation clamp 7 comprises solid elastic material, the 7 outside of mount be equipped with fixed slot 3 assorted arch, bellied position satisfies when charging plug 6 inserts charging socket 2 completely, protruding card goes into in the fixed slot 3, 7 both sides fixedly connected with atress board 8 of fixation clamp makes the mount 7 press from both sides tightly to 6 directions of charging plug and makes it break away from with fixed slot 3 and extract charging plug 6 through pressing down atress board 8.
Further, the outer layer 39 is composed of armor and a hard rubber layer, the armor is used for preventing the cable 9 from deforming after being filled with gas, the armor is used for wrapping the inner cladding 38, one end of the inner cladding 38 is hermetically connected with the ventilation column 21, the other end of the inner cladding 38 is hermetically connected with the gas injection hole 27, the filled gas is prevented from overflowing and dispersing, and the filling 36 is composed of soft rubber and is used for preventing overlarge resistance when the gas flows.
Further, the air injection groove 17 is fixedly provided with a second connecting column 24 matched with the position shape of a second connecting groove 26 in a penetrating mode, a second air plug 29 matched with the position shape of an air injection hole 27 is fixedly arranged on the air injection groove 17, and a groove matched with the position shape of the clamping edge 11 is formed in the air injection groove 17.
Further, the measuring ring 15 is in contact with the second connecting stud 20 on its inside when the circuit is closed.
The flame-proof cable for the charging pile and the connecting mechanism thereof are simple in structure and easy to operate, on one hand, the electric storage capacity of the battery is increased, the battery of the replacement device can be freely taken out, and the popularization suitability of the inspection device is greatly increased.
Specifically, when the fire extinguishing device is used, referring to fig. 1-5, a charging plug 6 is inserted through a charging socket 2 on a charging pile 1, a fixing clamp 7 is combined with a fixing groove 3, a sealing ring 28 on a valve 5 is combined with a sealing groove 22, an air through column 21 is inserted into the valve 5, a first air plug 19 is pushed into an active chamber 30, air in a storage chamber 31 enters the air through a gas inlet notch 23, the air enters an inner cladding 38 in a cable 9 connected with the air through column 21, the whole cable assembly is introduced through a central hole 35, so that the interior of the cable assembly is filled with fire extinguishing gas, the gas is blocked by a second air plug 29 after being introduced into a gas jet hole 27 in a clamping block 10, the gas is prevented from leaking, when the cable 9 has a fire phenomenon, the fire extinguishing gas in the interior of the cable assembly can play a flame retarding role, and the cable 9 covers a fire point to extinguish fire when being burnt out;
referring to fig. 1 and 3, when the circuit is closed, the inner side of the measuring ring 15 on the clamping block 10 is in contact with the second connecting column 20, the measuring ring 15 measures the current flowing through the measuring ring during charging and feeds the current back to the processor, when the battery is short-circuited, the processor sends a command to the stretching device to instruct the connecting block 25 to move into the receiving clamping groove 12, the clamping edge 11 is received into the receiving clamping groove 12, the clamping block 10 is separated from the gas ejecting groove 22, the ejecting lug 14 is ejected outwards at the same time, the power-off disc 16 is separated from the second connecting column 20 to cut off the power, the gas ejecting hole 27 is separated from the second gas plug 29, the fire extinguishing gas in the cable 9 rushes into the gas ejecting groove 22, and the fire prevention net 18 on the gas ejecting groove 22 is released outwards to prevent or eliminate fire.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A flame-retardant cable for a charging pile and a connecting mechanism thereof comprise a charging pile (1), a charging plug (6), a cable (9), a clamping block (10) and an air injection groove (17), and are characterized in that a charging socket (2) is arranged on the side surface of the charging pile (1), a fixing groove (3) surrounding one circle is formed in the inner wall of the charging socket (2), a first connecting column (4) penetrates through the bottom of the charging socket (2), a valve (5) penetrates through the center of the bottom of the charging socket (2), a sealing ring (28) is fixedly connected to the top end of the valve (5), a first air plug (19) is arranged in the valve (5) in a sliding manner, a bearing column (32) fixedly connected with the first air plug (19) is positioned in a movable chamber (30), a stress spring (34) is fixedly connected with the other end of the stress spring (34), and a base (33) fixedly connected with the inner wall of the movable chamber (30) is fixedly connected with the other end of the stress spring (34), a storage chamber (31) is communicated below the movable chamber (30), and the storage chamber (31) is internally provided with air pressure and stores fire extinguishing gas;
the shape of the charging plug (6) is matched with that of the charging socket (2), one end of the charging plug (6) is provided with a first connecting groove (24) matched with the first connecting column (4), the charging plug (6) is fixedly provided with an air ventilation column (21) matched with the shape and the position of the valve (5), the top of the air ventilation column (21) is provided with an air inlet notch (23), the connecting part of the air ventilation column (21) located at the charging plug (6) is provided with a sealing groove (22), two sides of the charging plug (6) are fixedly provided with fixing clamps (7), and the other end of the charging plug (6) is fixedly and hermetically connected with a cable (9);
a through center hole (35) is formed in the center of a circle inside the cable (9), one end of the center hole (35) is fixedly connected with the air ventilation column (21), the other end of the center hole is fixedly connected with the air injection hole (27), an outer coating layer (39) wraps the outer surface of the cable (9), an inner coating layer (38) is fixedly wrapped inside the outer coating layer (39), a filling material (36) is filled in the inner coating layer (38), a cable (37) is fixedly arranged inside the filling material (36), one end of the cable (37) is fixedly connected with the first connecting groove (24), and the other end of the cable (37) is fixedly connected with the second connecting groove (26);
the clamping block (10) is penetrated and fixedly connected with a cable (9), the clamping block (10) is provided with a receiving clamping groove (12) surrounding a circle, the two sides of the receiving clamping groove (12) are symmetrically and slidably connected with connecting blocks (25), the upper surface of each connecting block (25) is fixedly connected with a clamping edge (11) matched with the corresponding receiving clamping groove (12), one end, far away from the cable (9), of the clamping block (10) is fixedly and symmetrically provided with a sensor (13), the side surface of each sensor (13) is slidably provided with a popup lug (14), one symmetrical side of each sensor (13) is fixedly provided with a measuring ring (15), the clamping block (10) is fixedly connected with a power-off disc (16), the power-off disc (16) is fixedly and hermetically connected with the cable (9) penetrating through the clamping block (10), the power-off disc (16) is provided with an air injection hole (27), and the power-off disc (16) is provided with a second connecting groove (26), the clamping block (10) is connected with an air injection groove (22) in a clamping mode through a clamping edge (11), and the side surface of the air injection groove (22) is provided with a fireproof net (18).
2. The flame-proof cable for the charging pile and the connecting mechanism thereof as claimed in claim 1, wherein a current meter is arranged inside the clamping block (10), a processor and a stretching device are arranged inside the clamping block (10), the processor on the clamping block (10) feeds back data obtained by the current meter through a sensor (13) to send corresponding commands to the stretching device, and the ejecting lug (14) and the connecting block (25) are controlled by the stretching device.
3. The fire-retardant cable for a charging pile and the connecting mechanism thereof as claimed in claim 1, wherein the side of the first air plug (19) is hermetically connected with the valve (5).
4. The fire-retardant cable for a charging pile and the connecting mechanism thereof as claimed in claim 1, wherein said force-bearing spring (34) is of a conical structure, and the sharp end thereof is connected with the receiving post (32).
5. The fire-retardant cable for a charging pile and the connecting mechanism thereof as claimed in claim 1, wherein the ventilating post (21) is positioned opposite to the valve (5) when the charging plug (6) is inserted, and is hermetically connected with the valve (5).
6. The utility model provides a fire prevention cable and coupling mechanism for filling electric pile according to claim 1, characterized in that, fixation clamp (7) are located the sideline department of side with charging plug (6) and are connected, and fixation clamp (7) comprise solid elastic material, the mount (7) outside is equipped with fixed slot (3) assorted arch, and bellied position satisfies when charging plug (6) inserts charging socket (2) completely, and protruding card is gone into in fixed slot (3), fixation clamp (7) both sides fixedly connected with atress board (8).
7. The flame-retardant cable for the charging pile and the connecting mechanism thereof as claimed in claim 1, wherein the outer layer (39) is made of armor, a hard rubber layer, the armor wraps the inner cladding (38), one end of the inner cladding (38) is connected with the ventilation column (21) in a sealing way, the other end of the inner cladding is connected with the air injection hole (27) in a sealing way, and the filler (36) is made of soft rubber.
8. The flame-retardant cable for the charging pile and the connecting mechanism of the flame-retardant cable are characterized in that a second connecting column (24) matched with the position shape of a second connecting groove (26) is fixedly arranged in the air injection groove (17) in a penetrating mode, a second air plug (29) matched with the position shape of an air injection hole (27) is fixedly arranged on the air injection groove (17), and a groove matched with the position shape of a clamping edge (11) is formed in the air injection groove (17).
A fire-resistant cable for a charging pile and its connection mechanism according to claim 1, characterized in that the measuring ring (15) is in contact with the second connection post (20) on its inside when the circuit is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110614166.2A CN113507021A (en) | 2021-06-02 | 2021-06-02 | A flame-retardant cable for filling electric pile and coupling mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110614166.2A CN113507021A (en) | 2021-06-02 | 2021-06-02 | A flame-retardant cable for filling electric pile and coupling mechanism thereof |
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| Publication Number | Publication Date |
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| CN113507021A true CN113507021A (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110614166.2A Pending CN113507021A (en) | 2021-06-02 | 2021-06-02 | A flame-retardant cable for filling electric pile and coupling mechanism thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323286A (en) * | 2017-06-29 | 2017-11-07 | 安徽先能新能源科技股份有限公司 | A kind of integral type charging pile fire proof construction and fire prevention system |
| CN210852104U (en) * | 2019-11-18 | 2020-06-26 | 厦门市兆泰云智能科技有限公司 | Electric vehicle charging pile with fireproof spreading function |
| DE202020101202U1 (en) * | 2020-03-04 | 2020-07-14 | Suzhou Gruensauber Technology Company Limited | Electronic lock structure of a charging socket for electric vehicles |
| JP2021035321A (en) * | 2019-08-27 | 2021-03-01 | 張偉萍 | Automatic charging device with safety fire extinguishing device |
-
2021
- 2021-06-02 CN CN202110614166.2A patent/CN113507021A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323286A (en) * | 2017-06-29 | 2017-11-07 | 安徽先能新能源科技股份有限公司 | A kind of integral type charging pile fire proof construction and fire prevention system |
| JP2021035321A (en) * | 2019-08-27 | 2021-03-01 | 張偉萍 | Automatic charging device with safety fire extinguishing device |
| CN210852104U (en) * | 2019-11-18 | 2020-06-26 | 厦门市兆泰云智能科技有限公司 | Electric vehicle charging pile with fireproof spreading function |
| DE202020101202U1 (en) * | 2020-03-04 | 2020-07-14 | Suzhou Gruensauber Technology Company Limited | Electronic lock structure of a charging socket for electric vehicles |
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