CN111952106A - Safe type electric motor car fills electric pile - Google Patents
Safe type electric motor car fills electric pile Download PDFInfo
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- CN111952106A CN111952106A CN202010513896.9A CN202010513896A CN111952106A CN 111952106 A CN111952106 A CN 111952106A CN 202010513896 A CN202010513896 A CN 202010513896A CN 111952106 A CN111952106 A CN 111952106A
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- Prior art keywords
- vacuum tube
- plug
- clamping
- charging pile
- seat
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- 238000000926 separation method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010013647 Drowning Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
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- 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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66238—Specific bellows details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- 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
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- 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
-
- 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
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention aims to provide a safe electric vehicle charging pile, which comprises a box body and a charging pile arranged in the box body, wherein an inner cavity is arranged in the box body, the safe electric vehicle charging pile also comprises a vacuum tube, a plug and a sliding seat, the vacuum tube is fixedly arranged in the inner cavity, one end of the vacuum tube is fixedly provided with a static conductive rod electrically connected with the charging pile, the end part of the static conductive rod extends into the vacuum tube and is fixedly provided with a static contact, the other end of the vacuum tube is slidably provided with a dynamic conductive rod, the end part of the dynamic conductive rod, which is positioned in the vacuum tube, is fixedly provided with a dynamic contact corresponding to the static contact, the end part of the dynamic conductive rod, which is positioned outside the vacuum tube, is fixedly provided with a conductive seat, a corrugated tube is coaxially arranged in the vacuum tube, one end of the corrugated tube is, and a sealed vacuum cavity is formed between the vacuum tube and the corrugated tube.
Description
Technical Field
The invention relates to the technical field of new energy automobile charging, in particular to a safe electric vehicle charging pile.
Background
In recent years, electric vehicles become a country-oriented industry due to the cleanness and environmental protection of the electric vehicles, alternating-current charging piles matched with the electric vehicles correspondingly and rapidly develop, the alternating-current charging piles are fixedly installed in community parking lots, residential quarters, large shopping malls, service areas, roadside parking lots and other places, the electric vehicles are charged through charging guide type sockets during charging, the existing charging piles are manually plugged in and pulled out of the electric vehicles, electric arcs are easily generated due to the influence of voltage during plugging and pulling out of the charging heads, electric shocks of users are easily caused due to the generation of the electric arcs, certain potential dangers are brought to the users, safety accidents are caused, and casualties are caused.
Disclosure of Invention
The invention aims to provide a safe electric vehicle charging pile to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a safe electric vehicle charging pile comprises a box body and a charging pile arranged in the box body, wherein an inner cavity is formed in the box body, the safe electric vehicle charging pile also comprises a vacuum tube, a plug and a sliding seat, the vacuum tube is fixedly arranged in the inner cavity, one end of the vacuum tube is fixedly provided with a static conductive rod electrically connected with the charging pile, the end part of the static conductive rod extends into the vacuum tube and is fixedly provided with a static contact, the other end of the vacuum tube is slidably provided with a dynamic conductive rod, the end part of the dynamic conductive rod, which is positioned in the vacuum tube, is fixedly provided with a dynamic contact corresponding to the static contact, the end part of the dynamic conductive rod, which is positioned outside the vacuum tube, is fixedly provided with a conductive seat, a corrugated tube is coaxially arranged in the vacuum tube, one end of the corrugated tube is connected, the vacuum tube and the corrugated tube form a sealed vacuum cavity, the plug and the sliding seat can be arranged in the inner cavity in a longitudinal sliding mode, a conducting strip capable of being inserted into the conducting seat is installed on the plug, a conducting wire is electrically connected to the plug, the plug and the sliding seat are detachably connected, and a driving mechanism used for driving the sliding and sliding is arranged in the inner cavity.
As a further scheme of the invention: still include clutch assembly and first elastic component, clutch assembly installs so that plug and slide linkage or separation between plug and the slide, first elastic component set up in between vacuum tube and the plug, when charging line is in connected state, first elastic component is in the energy storage state, works as clutch assembly separation makes the plug deviate from the slide after, first elastic component release can so that the plug with the separation outage of conducting seat.
As a further scheme of the invention: the clutch assembly is a clamping seat, a clamping head and an electric telescopic rod, the clamping head is fixedly installed on the plug, the electric telescopic rod is embedded in the sliding seat, the clamping seat is fixedly installed at the end part of a rod body of the electric telescopic rod and corresponds to the clamping head, a clamping groove for clamping the clamping head is formed in the clamping seat, at least two elastic clamping pieces are installed on the inner wall of the clamping groove, and a clamping hole for clamping the elastic clamping pieces is formed in the corresponding position of the clamping head.
As a further scheme of the invention: the vacuum tube is characterized in that the first elastic piece is a first spring, a first plate body is fixedly mounted on the outer side wall of the plug, the vacuum tube is fixedly mounted on a second plate body, and two ends of the first spring are respectively abutted between the first plate body and the second plate body.
As a further scheme of the invention: limiting ring grooves are formed in the opposite end faces of the first plate body and the second plate body, and at least one part of each of the two end portions of the first spring is embedded into the limiting ring grooves.
As a further scheme of the invention: still include guide sleeve and loop bar, guide sleeve fixed mounting in the inner chamber, the loop bar slidable mounting be in the guide sleeve, the tip of loop bar with first plate body fixed connection.
As a further scheme of the invention: the corrugated pipe is characterized by further comprising a second spring, the second spring is sleeved between the movable conducting rod and the corrugated pipe, and two ends of the second spring are respectively abutted to the inner end faces of the corrugated pipe and the vacuum pipe.
As a further scheme of the invention: the stiffness coefficient of the first elastic member is smaller than that of the second spring.
As a further scheme of the invention: the driving mechanism comprises a screw rod and a motor, the screw rod is longitudinally arranged and rotatably arranged in the inner cavity in a penetrating mode, the motor is embedded in the inner wall of the box and is in transmission connection with the screw rod, and the slide seat is provided with a threaded hole for the screw rod to penetrate through.
As a further scheme of the invention: and the side wall of the box body is provided with a threading groove which is communicated with the inner cavity and can enable the wire to pass through and is longitudinally arranged.
Compared with the prior art, the invention has the beneficial effects that:
1. the safety electric vehicle charging pile is characterized in that a sliding seat is longitudinally installed in an inner cavity of a box body in a sliding mode, a plug with a conducting strip is detachably installed on the sliding seat, a vacuum tube is further installed in the inner cavity, a static conducting rod with a static contact and a movable conducting rod with a movable contact are fixedly arranged in the vacuum tube in a sliding mode, and a conducting seat matched with the plug is installed at the end portion of the movable conducting rod, so that full-automatic two-section electrification of a conducting gun is achieved, the conducting gun is in a power-off state when a user operates the conducting gun, and therefore electric shock danger is avoided;
2. the clutch assembly is arranged between the plug and the sliding seat, and the first elastic piece is arranged between the plug and the vacuum tube, when the charging circuit is electrified, the first elastic piece is in the energy storage compression device, the plug is separated from the sliding seat through the clutch assembly, the first elastic piece releases energy to rebound, so that the plug slides downwards and quickly, the plug is separated from the conductive seat, and the emergency disconnection of the charging circuit is completed;
3. the stiffness coefficient of the first elastic piece is smaller than that of the second spring, so that after the clutch component is in emergency disconnection, the second spring is reset and rebounded firstly, the moving contact and the static contact are disconnected firstly, electric arcs generated during disconnection are extinguished in the vacuum tube, then the plug and the conductive seat are disconnected under the elastic action of the first spring, at the moment, the plug and the conductive seat are disconnected under the power-off state, therefore, power-off electric arcs cannot be generated, and safety during emergency power-off is improved.
Drawings
FIG. 1 is a schematic diagram of a power-on state of a safety electric vehicle charging pile;
FIG. 2 is a schematic diagram of a safe electric vehicle charging pile in a power-off state;
FIG. 3 is a schematic diagram illustrating a state in which a plug of a charging pile of the safe electric vehicle is separated from a sliding seat;
FIG. 4 is a schematic diagram illustrating connection between a plug and a conductive head in a safety electric vehicle charging pile;
FIG. 5 is a schematic structural diagram of a vacuum tube in the safety electric vehicle charging pile;
FIG. 6 is a schematic view illustrating a connection between a chuck and a card socket in the safety electric vehicle charging pile;
in the figure: the device comprises a motor 1, an inner cavity 2, a screw rod 3, a sliding seat 4, an electric telescopic rod 5, an accommodating groove 6, a rod body 7, a clamping seat 8, a clamping head 9, a connecting piece 10, a guide sleeve 11, a loop bar 12, a first plate body 13, a first spring 14, a second plate body 15, a movable conducting rod 16, a static contact 17, a vacuum tube 18, a static conducting rod 19, a fixed rod 20, a movable contact 21, a box body 22, a conducting seat 23, a conducting strip 24, a plug 25, a lead 26, a threading groove 27, a limiting ring groove 28, a second spring 29, a corrugated tube 30, a lining 31 and an elastic clamping piece 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, 5 and 6, in the embodiment of the present invention, a safety electric vehicle charging pile includes a box 22 and a charging pile installed in the box 22, the box 22 has an inner cavity 2 therein, and further includes a vacuum tube 18, a plug 25 and a sliding seat 4, the vacuum tube 18 is fixedly installed on the top of the inner cavity 2 through a fixing rod 20, one end of the vacuum tube 18 is fixedly installed with a static conductive rod 19 electrically connected to the charging pile, an end of the static conductive rod 19 extends into the vacuum tube 18 and is fixedly installed with a static contact 17, the other end of the vacuum tube 18 is slidably installed with a dynamic conductive rod 16, a bushing 31 is installed at a through hole on the vacuum tube 18 through which the dynamic conductive rod 16 passes, a dynamic contact 21 corresponding to the static contact 17 is fixedly installed at an end of the dynamic conductive rod 16 located in the vacuum tube 18, an end of the vacuum tube 16 located outside the vacuum tube 18 is fixedly installed with, the vacuum tube 18 is internally and coaxially provided with a corrugated tube 30, one end of the corrugated tube 30 is connected with the outer wall of the movable conducting rod 16, the other end of the corrugated tube 30 is connected with the inner end face of the vacuum tube 18, a sealed vacuum cavity is formed between the vacuum tube 18 and the corrugated tube 30, the plug 25 and the sliding seat 4 can be longitudinally arranged in the inner cavity 2 in a sliding manner, the plug 25 is provided with a conducting strip 24 which can be inserted into the conducting seat 23, the plug 25 is electrically connected with a lead 26, the other end of the lead 26 penetrates out of the box body 22 and is connected with a charging gun, the plug 25 is detachably connected with the sliding seat 4, and the inner cavity 2 is internally provided with a driving mechanism for driving the sliding and.
The electric vehicle charging pile has an on state and an off state, the initial state of the charging pile is the off state, in the off state, as shown in fig. 2, a plug 25 and a conductive seat 23, a movable contact 21 and a fixed contact 17 are all in the off state, when the electric vehicle is charged, a user firstly lifts the charging gun and inserts the charging gun into a charging interface of the electric vehicle, at the moment, the charging gun is in the off state, after the charging gun is installed, a driving device is started, a sliding seat 4 slides towards one side close to a vacuum tube 18 through the driving device, because the plug 25 is detachably installed on the sliding seat 4, the sliding seat 4 drives the plug 25 to move upwards when sliding, a conducting strip 24 on the plug 25 is inserted into the conductive seat 23 to realize the electric connection between an external charging gun and the conductive seat 23, the sliding seat 4 continues to move upwards, so as to enable a movable rod 16 to slide upwards, and then make movable contact 21 and static contact 17 contact in order to realize switching on of charging circuit, be the on-state promptly, when the operation of charging, the switching on of charging circuit is automatic completion, operating personnel need not manual grafting circuit, and go on under the off-state equally when operating personnel installs the rifle that charges, thereby avoid electrocuteeing, in addition, can produce electric arc when movable contact 21 and static contact 17 contact, because electric arc produces in vacuum tube 18, consequently, realize the arc extinguishing under vacuum environment, and then avoid because of the electric shock danger that electric arc produced and the damage to electrical equipment, the security improves by a wide margin.
In this embodiment, in order to realize emergency power-off, the emergency power-off device further includes a clutch component and a first elastic component, the clutch component is installed between the plug 25 and the sliding seat 4 so as to enable the plug 25 and the sliding seat 4 to be linked or separated, specifically, the clutch component includes a clamping seat 8, a clamping head 9 and an electric telescopic rod 5, the clamping head 9 is fixedly installed on the plug 25 through a connecting piece 10, the electric telescopic rod 5 is embedded in the sliding seat 4, the clamping seat 8 is fixedly installed at an end portion of a rod body 7 of the electric telescopic rod 5 and corresponds to the clamping head 9, the sliding seat 4 is provided with a receiving groove 6 capable of receiving the clamping seat 8, the clamping seat 8 is provided with a clamping groove for the clamping head 9 to be clamped, at least two elastic clamping pieces 32 are installed on an inner wall of the clamping groove, a clamping hole for the elastic clamping piece 32 to be clamped is provided at a corresponding position, the rod body 7 of the electric telescopic rod 5 extends out of the sliding seat 4, the clamping head 9 is clamped into the clamping seat 8, and the elastic clamping piece 32 in the clamping seat 8 generates elastic deformation and is clamped into a clamping hole in the clamping head 9.
The first elastic member is disposed between the vacuum tube 18 and the plug 25, when the charging line is in a connection state, the first elastic member is in an energy storage state, specifically, referring to fig. 4, the first elastic member is a first spring 14, a first plate 13 is fixedly mounted on an outer side wall of the plug 25, the vacuum tube 18 is fixedly mounted on a second plate 15, two ends of the first spring 14 respectively abut against between the first plate 13 and the second plate 15, as shown in fig. 3, when the charging line needs to be powered off suddenly, the electric telescopic rod 5 retracts to reset quickly, the retraction force of the electric telescopic rod 5 overcomes the elasticity of the elastic clamping piece 32, so that the elastic clamping piece 32 struggles out of the clamping hole, the clamping head 9 is separated from the clamping seat 8, and finally the plug 25 is separated from the sliding seat 4, and the first spring 14 releases energy to rebound, so that the plug 25 slides downwards quickly, make plug 25 with electrically conductive seat 23 separation, thereby accomplish the urgent disconnection of charging circuit, electric telescopic handle 5 is connected with the temperature sensor who fills electric pile inside and outside setting, electric telescopic handle 5 returns fast when arbitrary temperature sensor wherein surpasss safety range and returns and restore to the throne, electric telescopic handle 5 still is connected with the water induction sensor who sets up in plug 25 lower extreme, there is ponding or fill electric pile and receive drowning inside filling electric pile, electric telescopic handle 5 returns fast and returns and restore to the throne when water sensor detects to have the short circuit risk, can make this electric vehicle charging pile realize the outage under the unusual state that meets the condition of a fire or the condition of a water through the design that adopts urgent outage, and then make the rifle end outage of charging, avoid filling electric pile and automobile.
In this embodiment, preferably, the opposite end surfaces of the first plate body 13 and the second plate body 15 are both provided with a limiting ring groove 28, at least a part of the two end portions of the first spring 14 is embedded in the limiting ring groove 28, and the first spring 14 can be radially limited by the limiting ring groove 28.
In this embodiment, specifically, the plate-type heat exchanger further includes a guide sleeve 11 and a loop bar 12, the guide sleeve 11 is fixedly installed in the inner cavity 2, the loop bar 12 is slidably installed in the guide sleeve 11, and an end of the loop bar 12 is fixedly connected to the first plate 13.
In this embodiment, it is preferable that the power transmission device further includes a second spring 29, the second spring 29 is sleeved between the movable conducting rod 16 and the bellows 30, two ends of the second spring 29 respectively abut against the corrugated pipe 30 and the inner end surface of the vacuum pipe 18, the second spring 29 can enable the conducting rod 16 to realize quick reset when the power is off, the stiffness coefficient of the first spring 14 is smaller than that of the second spring 29, when the clutch component is disconnected suddenly, the second spring 29 performs return rebound, so that the moving contact 21 and the fixed contact 17 are disconnected first, the arc generated during disconnection is extinguished in the vacuum tube 18, and then the plug 25 and the conductive seat 23 are disconnected under the action of the elastic force of the first spring 14, at this time, the plug 25 and the conductive socket 23 are disconnected in the power-off state, and thus, a power-off arc is not generated, thereby improving safety in emergency power-off.
In this embodiment, specifically, actuating mechanism includes lead screw 3 and motor 1, lead screw 3 longitudinal arrangement and rotation wear to locate in inner chamber 2, motor 1 inlays to be located in the inner wall of incasement, motor 1 with lead screw 3 transmission is connected, set up threaded hole on the slide 4 and supply lead screw 3 passes.
In this embodiment, specifically, a threading groove 27 which is communicated with the inner cavity 2 and is longitudinally arranged and through which the lead wire 26 can pass is formed on a side wall of the box body 22.
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 various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a safe type electric motor car fills electric pile, includes the box and installs fill electric pile in the box, the inner chamber has in the box, its characterized in that: the vacuum tube is fixedly arranged in the inner cavity, a static conducting rod electrically connected with the charging pile is fixedly arranged at one end of the vacuum tube, the end part of the static conducting rod extends into the vacuum tube and is fixedly provided with a static contact, a movable conducting rod is slidably arranged at the other end of the vacuum tube, a movable contact corresponding to the static contact is fixedly arranged at the end part of the movable conducting rod positioned in the vacuum tube, a conducting seat is fixedly arranged at the end part of the movable conducting rod positioned outside the vacuum tube, a corrugated tube is coaxially arranged in the vacuum tube, one end of the corrugated tube is connected with the outer wall of the movable conducting rod, the other end of the corrugated tube is connected with the inner end face of the vacuum tube, a sealed vacuum cavity is formed between the vacuum tube and the corrugated tube, and the plug and the sliding seat can be longitudinally arranged in the inner cavity in, the plug is provided with a conducting strip which can be inserted into the conducting seat, the plug is electrically connected with a wire, the plug is detachably connected with the sliding seat, and the inner cavity is internally provided with a driving mechanism for driving the sliding and sliding.
2. The safety electric vehicle charging pile according to claim 1, characterized in that: still include clutch assembly and first elastic component, clutch assembly installs so that plug and slide linkage or separation between plug and the slide, first elastic component set up in between vacuum tube and the plug, when charging line is in connected state, first elastic component is in the energy storage state, works as clutch assembly separation makes the plug deviate from the slide after, first elastic component release can so that the plug with the separation outage of conducting seat.
3. The safety electric vehicle charging pile according to claim 2, characterized in that: the clutch assembly is a clamping seat, a clamping head and an electric telescopic rod, the clamping head is fixedly installed on the plug, the electric telescopic rod is embedded in the sliding seat, the clamping seat is fixedly installed at the end part of a rod body of the electric telescopic rod and corresponds to the clamping head, a clamping groove for clamping the clamping head is formed in the clamping seat, at least two elastic clamping pieces are installed on the inner wall of the clamping groove, and a clamping hole for clamping the elastic clamping pieces is formed in the corresponding position of the clamping head.
4. The safety electric vehicle charging pile according to claim 2, characterized in that: the vacuum tube is characterized in that the first elastic piece is a first spring, a first plate body is fixedly mounted on the outer side wall of the plug, the vacuum tube is fixedly mounted on a second plate body, and two ends of the first spring are respectively abutted between the first plate body and the second plate body.
5. The safety electric vehicle charging pile according to claim 4, characterized in that: limiting ring grooves are formed in the opposite end faces of the first plate body and the second plate body, and at least one part of each of the two end portions of the first spring is embedded into the limiting ring grooves.
6. The safety electric vehicle charging pile according to claim 4, characterized in that: still include guide sleeve and loop bar, guide sleeve fixed mounting in the inner chamber, the loop bar slidable mounting be in the guide sleeve, the tip of loop bar with first plate body fixed connection.
7. The safety electric vehicle charging pile according to claim 2, characterized in that: the corrugated pipe is characterized by further comprising a second spring, the second spring is sleeved between the movable conducting rod and the corrugated pipe, and two ends of the second spring are respectively abutted to the inner end faces of the corrugated pipe and the vacuum pipe.
8. The secure electric vehicle charging pile according to claim 7, characterized in that: the stiffness coefficient of the first elastic member is smaller than that of the second spring.
9. The safety electric vehicle charging pile according to claim 1 or 2, characterized in that: the driving mechanism comprises a screw rod and a motor, the screw rod is longitudinally arranged and rotatably arranged in the inner cavity in a penetrating mode, the motor is embedded in the inner wall of the box and is in transmission connection with the screw rod, and the slide seat is provided with a threaded hole for the screw rod to penetrate through.
10. The safety electric vehicle charging pile according to claim 1 or 2, characterized in that: and the side wall of the box body is provided with a threading groove which is communicated with the inner cavity and can enable the wire to pass through and is longitudinally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010513896.9A CN111952106A (en) | 2020-06-08 | 2020-06-08 | Safe type electric motor car fills electric pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010513896.9A CN111952106A (en) | 2020-06-08 | 2020-06-08 | Safe type electric motor car fills electric pile |
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| CN111952106A true CN111952106A (en) | 2020-11-17 |
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| CN202010513896.9A Withdrawn CN111952106A (en) | 2020-06-08 | 2020-06-08 | Safe type electric motor car fills electric pile |
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| CN112319287A (en) * | 2020-12-01 | 2021-02-05 | 胡悦 | Automatic plug-in new energy automobile fills electric pile |
| CN114664542A (en) * | 2022-05-23 | 2022-06-24 | 深圳市斯比特电子有限公司 | Double-node safety protection's electric motor car is with filling electric pile potential equipment |
| US11641119B2 (en) * | 2018-04-18 | 2023-05-02 | ABB E-mobility B.V. | Detecting a bad contact of a charging cable |
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Application publication date: 20201117 |