CN113895256A - Intelligent charging gun head - Google Patents
Intelligent charging gun head Download PDFInfo
- Publication number
- CN113895256A CN113895256A CN202111176914.XA CN202111176914A CN113895256A CN 113895256 A CN113895256 A CN 113895256A CN 202111176914 A CN202111176914 A CN 202111176914A CN 113895256 A CN113895256 A CN 113895256A
- Authority
- CN
- China
- Prior art keywords
- circuit
- gun head
- charging gun
- relay
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 17
- 230000005669 field effect Effects 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 11
- 239000013642 negative control Substances 0.000 claims description 4
- 239000013641 positive control Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
An intelligent charging gun head comprises a charging gun head body, a storage battery, a voltage stabilizing module, a locking mechanism and a reset circuit; the locking mechanism comprises a motor speed reducing mechanism, a locking sheet, a power switch, a force sensitive resistor and a trigger sub-circuit; the charging gun head body is provided with an open slot, a guide hole and a shell at the splicing part, a motor reducing mechanism is arranged on the guide hole, a locking sheet is positioned in the open slot, the locking sheet is connected with a lower screw rod of a power output shaft of the motor reducing mechanism through threads, and a power switch is arranged at the front upper end of the open slot; the force sensitive resistor is arranged at the front upper end of the locking sheet; the reset circuit comprises a touch sheet and a control sub-circuit, the touch sheet is arranged outside the shell, and the storage battery, the voltage stabilizing module, the trigger sub-circuit and the control sub-circuit are arranged in the shell and are electrically connected with the power switch and the force sensitive resistor. The invention ensures that the charging gun head body can be in close contact with the charging socket and has good conductive performance during charging, and realizes automatic control. Based on the above, the invention has good application prospect.
Description
Technical Field
The invention relates to the technical field of charging pile accessory equipment, in particular to an intelligent charging gun head.
Background
The electric automobile has increasingly large keeping quantity due to low use cost and environmental protection. When the electric automobile is charged, a charging gun head of a charging pile needs to be inserted into a charging socket on the automobile (the general charging gun head is provided with a plurality of elastic hollow plugs, a charging socket of the automobile is provided with a plurality of corresponding insertion rods, or the charging socket of the automobile is provided with a plurality of hollow insertion holes, and the charging gun head is provided with a plurality of insertion rods), so that the automobile storage battery is charged. Because the charging gun head is inserted into the charging socket in a plugging mode, particularly, the charging gun head can be unstably plugged with a metal plug rod of a charging socket of a vehicle after being used for a long time and metal fatigue elasticity is poor (or the charging socket on the vehicle can be unstably plugged with the metal plug rod of the charging gun head after being used for a long time and the metal fatigue elasticity is poor), and therefore, the charging gun head has the possibility of bringing influence on charging due to poor contact. In summary, it is desirable to provide a charging gun head capable of increasing the stability of the insertion portion with the charging port of the vehicle during charging.
Disclosure of Invention
In order to overcome the defect that due to the structure limitation of the charging gun head for the existing charging pile, the contact failure with the plugging part of the charging socket of the electric automobile is possibly caused due to the influence of metal fatigue and other reasons after the charging gun head is used for a long time, the invention provides a charging gun head body, in application, under the combined action of related mechanisms and circuits, after the charging gun head is inserted into the charging socket of the automobile, the locking sheet can automatically rise to enable the upper end of the charging gun head to be in close contact with the inner upper part of the charging socket of the automobile, and after charging is finished, a charger can control the locking sheet to return to facilitate taking down the charging gun head body by only touching, so that the charging gun head body can be in close contact with the charging socket and has good conductive performance during charging, and the automatic control of the intelligent charging gun head is realized.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an intelligent charging gun head comprises a charging gun head body, a storage battery and a voltage stabilizing module, and is characterized by further comprising a locking mechanism and a reset circuit; the locking mechanism comprises a motor speed reducing mechanism, a locking sheet, a power switch, a force sensitive resistor and a trigger sub-circuit; the charging gun head comprises a charging gun head body, a motor speed reducing mechanism, a locking piece, a power output shaft, a lead screw, a power switch and a power supply switch, wherein an open slot is formed in the splicing part of the charging gun head body, a guide hole which is vertically communicated is formed in the rear end of the open slot, the motor speed reducing mechanism is installed at the upper end of the guide hole, the locking piece is positioned in the open slot, an internal thread opening is formed in the rear end of the locking piece, the lead screw is installed below the power output shaft of the motor speed reducing mechanism, the lower end of the lead screw is in threaded connection with the internal thread opening in the rear end of the locking piece, and the power supply switch is installed at the front upper end of the open slot; the force-sensitive resistor is arranged at the front upper end of the locking sheet, and the rear part of the plugging part of the charging gun head body is provided with the shell; the reset circuit comprises a touch sheet and a control sub-circuit, the touch sheet is arranged outside the shell, and the storage battery, the voltage stabilizing module, the trigger sub-circuit and the control sub-circuit are arranged in the shell; the power output end of the voltage stabilizing module is electrically connected with two poles of the storage battery respectively, one pole of the storage battery is electrically connected with one end of a power switch and one end of a power input of the control sub-circuit, the other end of the power switch is electrically connected with one end of the power input of the trigger sub-circuit and one end of the force sensitive resistor, and the other end of the force sensitive resistor is electrically connected with the signal input end of the trigger sub-circuit; the power output ends of the trigger sub-circuit and the control sub-circuit are respectively and electrically connected with the two ends of the power input of the motor speed reducing mechanism, and the signal input ends of the touch sheet and the control sub-circuit are electrically connected.
Further, the voltage stabilizing module is a dc-to-dc switching power supply module.
Furthermore, the width of the locking sheet is smaller than the width of the opening groove, and the height of the locking metal sheet is lower than the height of the front end of the opening groove when the locking metal sheet is positioned at the bottom dead center and higher than the height of the front end of the opening groove when the locking metal sheet is positioned at the top dead center.
Further, the power switch is a micro inching type normally open contact microswitch.
Furthermore, the trigger sub-circuit comprises a resistor, a relay and an NPN triode which are electrically connected, one end of the resistor is connected with the base electrode of the NPN triode, the collector electrode of the NPN triode is connected with the input end of the negative electrode power supply of the relay, the input end of the positive electrode power supply of the relay is connected with the input end of the positive electrode control power supply, and the emitter electrode of the NPN triode is connected with the input end of the negative electrode control power supply of the relay.
Furthermore, the control sub-circuit of the reset circuit comprises a field effect transistor, an adjustable resistor, an NPN triode, a capacitor and a relay which are electrically connected, and the control sub-circuit is electrically connected with the touch sheet, one end of the adjustable resistor is connected with the collector of the NPN triode and the input end of the positive control power supply of the relay, the drain electrode of the field effect transistor is connected with the other end of the adjustable resistor and the base electrode of the NPN triode, the emitter of the NPN triode is connected with the positive power supply of the capacitor and the input end of the positive power supply of the relay, the negative electrode of the capacitor is connected with the source electrode of the field effect transistor, the input end of the negative power supply of the relay and the input end of the negative control power supply, and the touch sheet is connected with the grid electrode of the field effect transistor.
The invention has the beneficial effects that: when the charging gun head body of the charging pile is inserted into a charging socket on a vehicle, so that an internal contact of a power switch is closed, a trigger sub circuit drives a motor speed reducing mechanism to drive a locking sheet to move upwards after being electrified to work, the front upper end of the charging gun head body is enabled to be in close contact with the inner upper part of the charging socket, the locking sheet automatically stops moving upwards after contacting the inner upper part of the charging socket under the action of a force-sensitive resistor, and the charging gun head body can be in close contact with the charging socket and has good conductivity during charging. Before the charging gun head body is taken down after charging, a charger can control the locking piece to return through the reset circuit only in a touch mode, the charging gun head body is convenient to take down, and automatic control is realized. Based on the above, the invention has good application prospect.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of the overall structure between a charging gun head body and a charging pile according to the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a circuit diagram of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, an intelligent charging gun head includes a charging gun head body 1, a storage battery G1, a voltage stabilizing module a, a locking mechanism and a reset circuit; the locking mechanism comprises a micro motor speed reducing mechanism M, a rectangular locking metal sheet 2, a micro power switch S, a force sensitive resistor RT and a trigger sub-circuit 3; a concave rectangular open slot 101 (with the height of 0.7 cm) is formed in the middle of the splicing part at the upper front end of the charging gun head body 1 from front to back, a guide hole 102 communicated with the rear end of the open slot from top to bottom is formed in the middle of the rear part of the splicing part of the charging gun head body 1, a motor speed reducing mechanism M is vertically installed at the upper end of the guide hole 102 through a screw nut, a locking piece 2 is horizontally positioned in the open slot, an internal thread opening 21 is formed in the middle of the rear end of the locking piece 2, a screw rod 4 is vertically welded to the power output shaft of the motor speed reducing mechanism, the lower end of the screw rod 4 is connected with the internal thread opening at the rear end of the locking piece 2 through threads, the charging gun head body 1 at the middle of the upper end of the open slot 101 is provided with an opening, and a power switch S is glued in the opening and the button of the power switch S faces towards the front end; the lower end of the force-sensitive resistor RT is connected to the front upper end of the locking sheet 2 through glue, a lead connected with the force-sensitive resistor RT is led out from the lower end of the locking sheet 2 and is led out upwards and outwards through the side of the guide hole 102, an annular hollow shell 5 is installed at the rear part of the splicing part of the upper front end of the charging gun head body, and the upper part of the motor speed reducing mechanism M is positioned in the shell; the reset circuit comprises a touch sheet QM and a control sub-circuit 6, the touch sheet QM is glued outside the middle part of the upper end of the shell 5, and the storage battery G1, the voltage stabilizing module A, the trigger sub-circuit 3 and the control sub-circuit 6 are arranged on a circuit board in the shell 5.
As shown in fig. 1, 2, and 3, battery G1 is a model 12V/2Ah lithium battery; the voltage stabilizing module A is a finished product of a miniature direct current-direct current switching power supply module with the model number HLK-PM01 and outputs 2W (input direct current 72V and output direct current 12V). The width of the locking metal sheet 2 is smaller than that of the opening groove, and the height of the locking metal sheet 2 is lower than that of the front upper end of the opening groove 101 when the locking metal sheet is positioned at the bottom dead center and higher than that of the front upper end of the opening groove 101 when the locking metal sheet is positioned at the top dead center. The micro power switch S is a micro point-operated normally open contact micro switch, and when the charging gun head body 1 is inserted into a charging socket of a vehicle, the front end of a button of the micro switch S props against the inner front end of the charging socket, and the inner contact of the micro switch S is closed. And 7, a charging pile.
As shown in fig. 1, 2 and 3, the trigger sub-circuit includes a resistor R1, a relay K1 and an NPN transistor Q1 connected by circuit board wiring, one end of the resistor R1 is connected to the base of the NPN transistor Q1, the collector of the NPN transistor Q1 is connected to the negative power input of the relay K1, the positive power input of the relay K1 is connected to the control power input, and the emitter of the NPN transistor Q1 is connected to the negative control power input of the relay K1. The control sub-circuit of the reset circuit comprises a field effect transistor Q2, an adjustable resistor RP, an NPN triode Q3, a capacitor C1 and a relay K2 which are connected through circuit board wiring, and the control sub-circuit is connected with the touch sheet QM through a lead, one end of the adjustable resistor RP is connected with the collector of the NPN triode Q3 and the positive control power input end of the relay K2, the drain electrode of the field effect transistor Q2 is connected with the other end of the adjustable resistor RP and the base electrode of the NPN triode Q3, the emitter of the NPN triode Q3 is connected with the positive power input end of the capacitor C1 and the positive power input end of the relay K2, the negative electrode of the capacitor C1 is connected with the source electrode of the field effect transistor Q2, the negative power input end of the relay K2 and the negative control power input end, and the lower middle part of the touch sheet QM is connected with the grid electrode of the field effect transistor Q2.
As shown in fig. 1, 2 and 3, pins 1 and 2 of the power input end of the voltage stabilizing module a are connected with two power lines of the charging gun head body through wires respectively. The power output ends 3 and 4 of the voltage stabilizing module A are respectively connected with the two poles of the storage battery G1 through leads. The positive pole of the storage battery G1 is connected with one end of a power switch S and the positive pole power input end of a control sub-circuit relay K2 through leads. The other end of the power switch S is connected with the positive power input end of the trigger sub-circuit relay K1 and one end of the force-sensitive resistor RT through leads. The other end of the force-sensitive resistor RT is connected with the other end of a signal input end resistor R1 of the trigger sub-circuit through a lead, and the negative electrode of the storage battery G1 is connected with the negative electrode power supply input end NPN triode Q1 emitting electrode of the trigger sub-circuit and the source electrode of the negative electrode power supply input end field effect transistor Q2 of the control sub-circuit through leads respectively. Two normally closed contact ends of a power output end relay K1 of the trigger sub circuit and two normally open contact ends of a power output end relay K2 of the control sub circuit are respectively connected with positive and negative and positive power input ends of the motor reducing mechanism M through leads.
As shown in fig. 1, 2 and 3, when the portable charging gun is used, a main charging gun head body 1 of the vehicle main handle is inserted into a charging socket of the vehicle, at ordinary times, a direct-current power supply output by a charging pile enters a power input end 1 and a pin 2 of a voltage stabilizing module a, and a power output end 3 and a pin 4 of the voltage stabilizing module a output a stable 12V direct-current power supply under the action of an internal circuit of the voltage stabilizing module a and enter a power input end of a storage battery G1 to float and charge the storage battery G1 (including a control sub-circuit of a touch sheet QM is electrically operated), so that the power supply requirements of a trigger sub-circuit, the control sub-circuit and the like are ensured. After the charging gun head body 1 is inserted into a charging socket of an electric automobile, a front end button of a power switch S can contact the front end in the charging socket, so that an internal contact of the power switch S can be closed, and a locking mechanism comprising a trigger sub-circuit can be electrified to work. After the locking mechanism works, the input end of the control power supply and the normally closed contact end of the relay K1 are closed when the relay K1 loses power in the initial state, thus, the positive and negative poles of the 12V power supply can enter the positive and negative pole power supply input ends of the motor reducing mechanism M through the two control power supply input ends and the two normally closed contact ends of the relay K1, the motor reducing mechanism M is electrified to work, the power output shaft of the motor reducing mechanism M drives the screw rod 4 to rotate clockwise, the external thread of the screw rod 4 acts on the internal thread of the locking piece 2, the locking piece 2 moves upwards (the rectangular locking piece is limited by the rectangle of the open slot 101 to prevent the rectangular locking piece from rotating), the preceding upper end of stay 2 can contact the interior upper end of charging socket like this, and the preceding upper end of rifle head body 1 that charges and upper portion in the charging socket in close contact with can guarantee to charge in rifle head body 1 and the charging socket closely laminate, prevent to charge, and rifle head body 1 that charges drops under bad contact or the extreme condition with the charging socket. In the invention, when the locking sheet 2 moves upwards, the upper part of the force-sensitive resistor RP can contact the upper end in the charging socket of the vehicle, and when the contact surface between the upper part of the locking sheet 2 and the charging socket is not enough, namely the contact acting force is small, the stress of the upper end stress surface of the force-sensitive resistor RT is relatively small, and the resistance is large, so that the voltage of the base electrode of a 12V power supply which enters an NPN triode Q1 is reduced by the voltage and is limited by the force-sensitive resistor RT and is lower than 0.7V, the NPN triode Q1 cut-off relay K1 continues to lose power, and the motor speed reducing mechanism M continues to be powered on to work to drive the locking sheet 2 to move upwards. When the contact surface between the upper part of the locking piece 2 and the charging socket is enough, namely the contact force between the upper part of the locking piece 2 (metal) and the inside of the charging socket is larger, the stress of the upper end stress surface of the force-sensitive resistor RT is relatively large, and the resistance is smaller, so that the voltage of the positive electrode of a 12V power supply is reduced and limited by the force-sensitive resistor RT and then enters an NPN triode Q1 base electrode with the voltage higher than 0.7V, the NPN triode Q1 is conducted with a collector electrode to output low level and enters the negative power input end of a relay K1, the relay K1 is electrified to control the power input end and the normally closed contact end to be open, further, the motor speed reducing mechanism M is not electrified to drive the locking piece 2 to move upwards, and under the action of the contact force between the locking piece 2 and the inside of the charging socket, the damage or the abnormal work caused by the overlarge upward distance of the locking piece 2 can be prevented.
As shown in fig. 1, 2 and 3, when the finger of the vehicle owner does not contact the touch panel QM, the field-effect transistor Q2 is in a zero-bias state, the resistance between the drain and the source is small, the voltage output by the drain of the field-effect transistor Q2 enters the base of the NPN triode Q3 and is lower than 0.7V, the NPN triode Q3 is cut off, and then the relay K2 cannot be powered and pulled in. After the electric automobile is charged, a charger takes off the charging gun head body 1, and touches the metal sheet QM with a finger, so that clutter signals induced by a human body can enter a grid electrode of the field-effect tube Q2, the field-effect tube Q2 is no longer in a zero-bias state, the resistance between a drain electrode and a source electrode of the field-effect tube Q2 is larger, the voltage output by the drain electrode of the field-effect tube Q2 enters a base electrode of the NPN triode Q3 and is higher than 0.7V, the NPN triode Q3 is conducted, an emitter electrode outputs a high level and enters an anode power supply input end of the relay K2 (the filtering effect of the capacitor C1), and the relay K2 is electrified to attract two control power supply input ends and two normally open contact ends of the relay K2 to be closed respectively. Because, two normally open contact ends of relay K2 and motor reduction mechanism M's negative and positive two poles of the earth power input end are connected respectively, its power output shaft drives lead screw 4 anticlockwise rotation after consequently motor reduction mechanism M gets electric work, 4 external screw threads of lead screw act on the internal thread of stay 2, stay 2 is then the downstream, the upper end of stay 2 can with charging socket's interior upper end interval like this, the preceding upper end of rifle head body 1 that charges and charging socket interior upper portion no longer contact, the person that charges can conveniently take off charging rifle head body 1 like this, automatic control has been realized. In fig. 3, the resistance R1 is 1K; the model numbers of NPN triodes Q1 and Q3 are 9014; the model of the field effect tube Q2 is 3DJ 6; the model of the capacitor C1 is 10 mu F/25V; the model of the adjustable resistor is 10K; the relay K1, K2 model is DC 12V; the RT model of the force sensitive resistor is IMS-C04N; the motor reduction mechanism M is a miniature coaxial motor gear reducer with power of 1W.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, the embodiments do not include only one independent technical solution, and such description is only for clarity, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (6)
1. An intelligent charging gun head comprises a charging gun head body, a storage battery and a voltage stabilizing module, and is characterized by further comprising a locking mechanism and a reset circuit; the locking mechanism comprises a motor speed reducing mechanism, a locking sheet, a power switch, a force sensitive resistor and a trigger sub-circuit; the charging gun head comprises a charging gun head body, a motor speed reducing mechanism, a locking piece, a power output shaft, a lead screw, a power switch and a power supply switch, wherein an open slot is formed in the splicing part of the charging gun head body, a guide hole which is vertically communicated is formed in the rear end of the open slot, the motor speed reducing mechanism is installed at the upper end of the guide hole, the locking piece is positioned in the open slot, an internal thread opening is formed in the rear end of the locking piece, the lead screw is installed below the power output shaft of the motor speed reducing mechanism, the lower end of the lead screw is in threaded connection with the internal thread opening in the rear end of the locking piece, and the power supply switch is installed at the front upper end of the open slot; the force-sensitive resistor is arranged at the front upper end of the locking sheet, and the rear part of the plugging part of the charging gun head body is provided with the shell; the reset circuit comprises a touch sheet and a control sub-circuit, the touch sheet is arranged outside the shell, and the storage battery, the voltage stabilizing module, the trigger sub-circuit and the control sub-circuit are arranged in the shell; the power output end of the voltage stabilizing module is electrically connected with two poles of the storage battery respectively, one pole of the storage battery is electrically connected with one end of a power switch and one end of a power input of the control sub-circuit, the other end of the power switch is electrically connected with one end of the power input of the trigger sub-circuit and one end of the force sensitive resistor, and the other end of the force sensitive resistor is electrically connected with the signal input end of the trigger sub-circuit; the power output ends of the trigger sub-circuit and the control sub-circuit are respectively and electrically connected with the two ends of the power input of the motor speed reducing mechanism, and the signal input ends of the touch sheet and the control sub-circuit are electrically connected.
2. The intelligent charging gun head of claim 1, wherein the voltage regulation module is a dc-to-dc switching power supply module.
3. The intelligent charging gun head according to claim 1, wherein the locking piece has a width smaller than the width of the opening slot, and the locking metal piece has a height lower than the front end of the opening slot when located at the bottom dead center and a height higher than the front end of the opening slot when located at the top dead center.
4. An intelligent charging gun head according to claim 1, wherein the power switch is a micro-inching normally open contact microswitch.
5. The intelligent charging gun head according to claim 1, wherein the trigger circuit comprises a resistor, a relay and an NPN transistor which are electrically connected, one end of the resistor is connected with a base of the NPN transistor, a collector of the NPN transistor is connected with a negative power input end of the relay, a positive power input end of the relay is connected with a positive control power input end, and an emitter of the NPN transistor is connected with a negative control power input end of the relay.
6. The intelligent charging gun head according to claim 1, wherein the control sub-circuit of the reset circuit comprises a field effect transistor, an adjustable resistor, an NPN triode, a capacitor and a relay which are electrically connected, and the control sub-circuit is electrically connected with a touch sheet, one end of the adjustable resistor is connected with a collector of the NPN triode and an anode control power input end of the relay, a drain electrode of the field effect transistor is connected with the other end of the adjustable resistor and a base electrode of the NPN triode, an emitting electrode of the NPN triode is connected with an anode of the capacitor and an anode power input end of the relay, a cathode of the capacitor is connected with a source electrode of the field effect transistor, a cathode power input end of the relay and a cathode control power input end, and the touch sheet is connected with a grid electrode of the field effect transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176914.XA CN113895256A (en) | 2021-10-09 | 2021-10-09 | Intelligent charging gun head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111176914.XA CN113895256A (en) | 2021-10-09 | 2021-10-09 | Intelligent charging gun head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113895256A true CN113895256A (en) | 2022-01-07 |
Family
ID=79190678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111176914.XA Pending CN113895256A (en) | 2021-10-09 | 2021-10-09 | Intelligent charging gun head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113895256A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110204715A1 (en) * | 2010-02-23 | 2011-08-25 | Panasonic Electric Works Co., Ltd. | Power supply control device |
| US20140292276A1 (en) * | 2011-10-25 | 2014-10-02 | Sumitomo Wiring Systems, Ltd. | Vehicle charging device |
| CN108790899A (en) * | 2018-06-24 | 2018-11-13 | 费先江 | The self-locking clamping method of direct current energization new-energy automobile charging pile |
| CN209071725U (en) * | 2018-09-30 | 2019-07-05 | 东莞市日新传导科技有限公司 | Charging gun casing assembly |
| CN211456103U (en) * | 2019-12-29 | 2020-09-08 | 韶关市涵泰科技有限公司 | New forms of energy anticreep rifle that charges and rather than socket that matches based on electromagnetism principle |
| CN112406575A (en) * | 2020-11-18 | 2021-02-26 | 阜阳正林新能源科技有限公司 | Portable head that charges of new energy automobile |
| CN212950215U (en) * | 2020-08-19 | 2021-04-13 | 北京福田戴姆勒汽车有限公司 | Charging socket for electric vehicle and charging pile with same |
-
2021
- 2021-10-09 CN CN202111176914.XA patent/CN113895256A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110204715A1 (en) * | 2010-02-23 | 2011-08-25 | Panasonic Electric Works Co., Ltd. | Power supply control device |
| US20140292276A1 (en) * | 2011-10-25 | 2014-10-02 | Sumitomo Wiring Systems, Ltd. | Vehicle charging device |
| CN108790899A (en) * | 2018-06-24 | 2018-11-13 | 费先江 | The self-locking clamping method of direct current energization new-energy automobile charging pile |
| CN209071725U (en) * | 2018-09-30 | 2019-07-05 | 东莞市日新传导科技有限公司 | Charging gun casing assembly |
| CN211456103U (en) * | 2019-12-29 | 2020-09-08 | 韶关市涵泰科技有限公司 | New forms of energy anticreep rifle that charges and rather than socket that matches based on electromagnetism principle |
| CN212950215U (en) * | 2020-08-19 | 2021-04-13 | 北京福田戴姆勒汽车有限公司 | Charging socket for electric vehicle and charging pile with same |
| CN112406575A (en) * | 2020-11-18 | 2021-02-26 | 阜阳正林新能源科技有限公司 | Portable head that charges of new energy automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203152489U (en) | Electronic cigarette | |
| CN113895256A (en) | Intelligent charging gun head | |
| CN212343375U (en) | Novel BMS accuse negative pole charge-discharge drive control circuit | |
| CN110350902B (en) | Anti-misoperation circuit and anti-misoperation device | |
| CN112026522A (en) | Power supply circuit with automatic pre-charging function | |
| CN208585113U (en) | A kind of new-energy automobile charging unit | |
| CN202737533U (en) | Circuit structure used for vehicle storage battery discharging management | |
| CN211700812U (en) | Safety electric vehicle charging socket | |
| CN202995351U (en) | Buzzer and switch-assembly multiplexing system | |
| CN111987775A (en) | Power supply control circuit and thermal printer | |
| CN218449455U (en) | Electric quantity display delay control circuit | |
| CN201523258U (en) | Power supply device of electronic equipment | |
| CN211125502U (en) | Relay drive circuit and intelligent switch | |
| CN218415905U (en) | Circuit for power-down protection and intelligent household appliance | |
| CN216069689U (en) | Direct current charging signal processing circuit and battery management system | |
| CN219799685U (en) | Smart power grids switch monitoring circuit | |
| CN211454279U (en) | Load switch circuit and load system | |
| CN202231613U (en) | Pre-charge circuit of printer | |
| CN205509553U (en) | But instant playback battery voltage's lithium ion battery | |
| CN221177272U (en) | Multi-string lithium battery protection plate positive control switching tube quick turn-off circuit | |
| CN217720744U (en) | Protection plate with GPS anti-theft function | |
| CN215733583U (en) | High-performance anti-reverse circuit suitable for various acquisition chips | |
| CN220985640U (en) | Novel energy storage power supply key switch circuit | |
| TW201500092A (en) | Electronic speed controller with automatic detection for type of battery | |
| CN110429928B (en) | Startup and shutdown circuit of low-voltage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |