CN211629882U - Electric motor car charges mouthful anti-mistouch adapter - Google Patents

Electric motor car charges mouthful anti-mistouch adapter Download PDF

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Publication number
CN211629882U
CN211629882U CN201921990822.3U CN201921990822U CN211629882U CN 211629882 U CN211629882 U CN 211629882U CN 201921990822 U CN201921990822 U CN 201921990822U CN 211629882 U CN211629882 U CN 211629882U
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CN
China
Prior art keywords
adapter
schottky diode
electric vehicle
outlet end
charging port
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.)
Expired - Fee Related
Application number
CN201921990822.3U
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Chinese (zh)
Inventor
胡美君
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Hangzhou Vocational and Technical College
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Hangzhou Vocational and Technical College
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Priority to CN201921990822.3U priority Critical patent/CN211629882U/en
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Publication of CN211629882U publication Critical patent/CN211629882U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model relates to an electric vehicle charging port anti-error touch adapter, which comprises an inlet end used for being connected with an electric vehicle charger and an outlet end used for being connected with an electric vehicle charging port, wherein the cathode of the inlet end is connected with the cathode of the outlet end, the grounding electrode of the inlet end is connected with the grounding connection of the outlet end, and a Schottky diode, a capacitor and a thermosensitive switch are connected between the anode of the inlet end and the anode of the outlet end; the positive pole of the inlet end is connected with the positive pole of the Schottky diode, the negative pole of the Schottky diode is connected with the positive pole of the outlet end through the thermal switch, and the capacitor is connected with the Schottky diode in parallel. Compared with the prior art, the utility model discloses not only can avoid all kinds of conductors accident to fall into the electric motor car mouth that charges and lead to all kinds of short circuit incidents, the security is good, does not influence normal charge and quick charge simultaneously again, and the range of application is wide.

Description

Electric motor car charges mouthful anti-mistouch adapter
Technical Field
The utility model relates to an electrical technology field, in particular to adapter is prevented mistake by electric motor car charging mouth.
Background
The charging of the existing electric vehicle is realized by respectively connecting two ends of a charger with a charging port of the electric vehicle and a power supply, so that a protective cover of the charging port can be frequently opened and closed, the protective cover is very easy to damage and even fall off, the charging port is exposed, and great potential safety hazards exist; for example, there is a medium report that a car owner inadvertently touches a key to an exposed charging port, which results in a short circuit of a battery and a flash of fire; an experiment is carried out on media, a chicken claw is used for clamping a coin to simulate that a child holds the coin to touch an exposed charging port of an electric vehicle, the chicken claw is burnt, and the contact position of the coin is melted; therefore, the quality and the service life of the charging port protective cover are improved, but the quality cannot be guaranteed due to the fact that the product quality of each battery manufacturer on the market is uneven, and parts of one product cannot be guaranteed to be damaged all the time; for this reason, we need to find other solutions outside the protective cover.
Meanwhile, considering the wide application of the current quick charging, the solution can not affect the normal charging and the quick charging of the electric vehicle.
In order to solve the technical problem, the utility model provides an electric motor car mouth that charges prevents mistake and touches adapter not only can avoid all kinds of conductors accident to fall into the electric motor car mouth that charges and lead to all kinds of short circuit incidents, and the security is good, does not influence normal charging and quick charge simultaneously again, and the range of application is wide.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes exist not enough among the above-mentioned prior art, provide an electric motor car mouth that charges and prevent mistake touch adapter, not only can avoid all kinds of conductors accident to fall into the electric motor car mouth that charges and lead to all kinds of short circuit incidents, the security is good, does not influence normal charging and quick charge simultaneously again, and the range of application is wide.
The technical scheme of the utility model is realized like this:
an adapter for preventing mistaken touch of a charging port of an electric vehicle comprises an inlet end and an outlet end, wherein the inlet end is connected with an electric vehicle charger, the outlet end is connected with the charging port of the electric vehicle, a negative electrode of the inlet end is connected with a negative electrode of the outlet end, a grounding electrode of the inlet end is connected with a grounding electrode of the outlet end, and a Schottky diode, a capacitor and a thermosensitive switch are connected between a positive electrode of the inlet end and a positive electrode of the outlet end; the positive pole of the inlet end is connected with the positive pole of the Schottky diode, the negative pole of the Schottky diode is connected with the positive pole of the outlet end through the thermal switch, and the capacitor is connected with the Schottky diode in parallel.
The outlet end of the adapter of the utility model is inserted into the charging port of the electric vehicle, thereby preventing various short circuit events caused by various conductors falling into the charging port of the electric vehicle by accident, improving the safety, and simultaneously setting the capacitor connected with the Schottky diode in parallel, providing an instantaneous discharge channel when the battery is subjected to pulse charging, thereby not influencing the quick charging of the battery, being capable of considering normal charging and quick charging and having wider application range; the principle is as follows: when a charging pulse arrives, the direct current component mainly flows through the Schottky diode, and the alternating current component mainly flows through the capacitor to charge the battery; when a negative-going discharge pulse arrives, the Schottky diode is cut off, and the alternating current part of the discharge current flows through the capacitor and is quickly reduced to zero; further, for example, when a human body touches the inlet end of the adapter by mistake, the anode at the inlet end of the adapter is short-circuited to the ground through the human body, but because the schottky diode is in a reverse direction, no current flows through the schottky diode, and because the schottky diode is instantaneously grounded through the human body, an instantaneous pulse current flows through the capacitor, but because the resistance of the human body is large enough, the current flowing through the human body is almost zero, and the duration is only tens to hundreds of milliseconds, no harm is caused to the human body, and the potential safety hazard is effectively avoided; moreover, when the charger performs pulse charging on the battery, the capacitor connected in parallel with the Schottky diode provides an instantaneous discharge channel, so that the quick charging of the battery cannot be influenced; wherein, adopt schottky diode because it has low pressure drop characteristic for voltage drop greatly reduced on schottky diode under the heavy current, thereby greatly reduced calorific capacity, improved the practicality, long service life.
Preferably, one end of the thermal switch is connected with the cathode of the schottky diode, and the other end of the thermal switch is connected with the anode of the outlet end.
Preferably, the thermal switch is connected in series with the schottky diode and the capacitor.
Preferably, the thermal switch is attached to a schottky diode.
The thermal switch is used for acquiring temperature information on the Schottky diode, and the circuit is switched off when the temperature is too high and is switched on when the temperature is lower than a threshold value so as to avoid danger caused by overheating of the Schottky diode or burning of the Schottky diode.
Preferably, the thermosensitive switch is adhered to the Schottky diode through a heat conducting adhesive.
The temperature information on the Schottky diode is acquired by the thermal switch through the heat-conducting glue.
Preferably, the inlet end, the outlet end, the Schottky diode, the capacitor and the thermal switch are assembled into a whole.
The adapter is integrated into a whole, so that the adapter is convenient to produce and use.
Preferably, the capacitor is a non-polar capacitor.
When the charger performs pulse charging on the battery, the non-polar capacitor connected with the Schottky diode in parallel provides an instantaneous discharge channel, so that the quick charging of the battery is not influenced.
Preferably, the model of the schottky diode is STPS30L60 CT.
Preferably, the rated current of the Schottky diode is 25-35A, the voltage resistance is 55-65V, the voltage drop is 0.52-0.6V, the capacitance is 2100-2300 uF, and the voltage resistance value is 55-65V.
Preferably, the type of the thermosensitive switch is KSD301-250V20A, the parameter is 12-18A, and the operating temperature is 90-110 ℃.
Adopted above-mentioned technical scheme the beneficial effects of the utility model are that:
the utility model provides an electric motor car mouth that charges prevents mistake and touches adapter not only can avoid all kinds of conductors accidents to fall into the electric motor car mouth that charges and lead to all kinds of short circuit incidents, and the security is good, does not influence normal charging and quick charge simultaneously again, and the range of application is wide. The outlet end of the adapter of the utility model is inserted into the charging port of the electric vehicle, thereby preventing various short circuit events caused by various conductors falling into the charging port of the electric vehicle by accident, improving the safety, and simultaneously setting the capacitor connected with the Schottky diode in parallel, providing an instantaneous discharge channel when the battery is subjected to pulse charging, thereby not influencing the quick charging of the battery, being capable of considering normal charging and quick charging and having wider application range; the principle is as follows: when a charging pulse arrives, the direct current component mainly flows through the Schottky diode, and the alternating current component mainly flows through the capacitor to charge the battery; when a negative-going discharge pulse arrives, the Schottky diode is cut off, and the alternating current part of the discharge current flows through the capacitor and is quickly reduced to zero; further, for example, when a human body touches the inlet end of the adapter by mistake, the anode at the inlet end of the adapter is short-circuited to the ground through the human body, but because the schottky diode is in a reverse direction, no current flows through the schottky diode, and because the schottky diode is instantaneously grounded through the human body, an instantaneous pulse current flows through the capacitor, but because the resistance of the human body is large enough, the current flowing through the human body is almost zero, and the duration is only tens to hundreds of milliseconds, no harm is caused to the human body, and the potential safety hazard is effectively avoided; and when the charger carries out pulse charging to the battery, the capacitor connected in parallel with the Schottky diode provides an instantaneous discharge channel, so that the quick charging of the battery cannot be influenced.
Drawings
Fig. 1 is a schematic circuit diagram of an adapter according to the present embodiment;
reference numerals:
the device comprises an inlet end 1, an outlet end 2, a Schottky diode 3, a capacitor 4 and a thermal switch 5.
Detailed Description
The specific implementation manner of the utility model is as follows:
example (b):
the utility model provides an electric motor car charges mouthful anti-error touch adapter, as shown in figure 1, including the entry end 1 that is used for being connected with the electric motor car charger, be used for the exit end 2 that is connected with the electric motor car mouth that charges, wherein the negative pole of entry end 1 links to each other with the negative pole of exit end 2, the earthing pole of entry end 1 connects to each other with the ground connection of exit end 2, be connected with schottky diode 3, electric capacity 4 (specifically nonpolar electric capacity), thermal switch 5 between the positive pole of entry end 1 and the positive pole of exit end 2, assemble into a whole between entry end 1, exit end 2, schottky diode 3, electric capacity 4, thermal switch 5.
Further, the anode of the inlet end 1 is connected with the anode of the schottky diode 3, the cathode of the schottky diode 3 is connected with the anode of the outlet end 2 through the thermal switch 5, the capacitor 4 is connected with the schottky diode 3 in parallel, and the thermal switch 5 is connected with the schottky diode 3 and the capacitor 4 in series.
The type of the schottky diode 3 is STPS30L60CT, the rated current is 30A, the withstand voltage is 60V, the voltage drop is 0.56V, the capacity of the capacitor 4 is 2200uF, the withstand voltage value is 60V, and the capacity can provide the duration of about 20ms for the reverse discharge current.
One end of the thermal switch 5 is connected with the cathode of the Schottky diode 3, and the other end of the thermal switch 5 is connected with the anode of the outlet end 2; the thermal switch 5 is adhered to the schottky diode 3 through the heat conducting glue to obtain the temperature information of the schottky diode 3, the model of the thermal switch 5 is KSD301-250V20A, the parameter is 15A, and the operating temperature is 100 ℃.
Will the utility model discloses 2 of exit ends of adapter are pegged graft on the electric motor car mouth that charges, can prevent to lead to all kinds of short circuit incident because all kinds of conductors are unexpected to fall into the electric motor car mouth that charges, have improved the security, have set up the electric capacity parallelly connected with schottky diode 3 simultaneously, when pulse charging the battery, provide instantaneous discharge channel, consequently can not influence the quick charge of battery, can compromise normal charge, quick charge, and the range of application is more extensive.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides an electric motor car mouth that charges prevents mistake and touches adapter which characterized in that: the device comprises an inlet end and an outlet end, wherein the inlet end is connected with an electric vehicle charger, the outlet end is connected with an electric vehicle charging port, a negative electrode of the inlet end is connected with a negative electrode of the outlet end, a grounding electrode of the inlet end is connected with a grounding electrode of the outlet end, and a Schottky diode, a capacitor and a thermal switch are connected between a positive electrode of the inlet end and a positive electrode of the outlet end; the positive pole of the inlet end is connected with the positive pole of the Schottky diode, the negative pole of the Schottky diode is connected with the positive pole of the outlet end through the thermal switch, and the capacitor is connected with the Schottky diode in parallel.
2. The adapter of claim 1, wherein the adapter is used for preventing the electric vehicle from being touched by mistake at the charging port, and comprises: one end of the thermal switch is connected with the cathode of the Schottky diode, and the other end of the thermal switch is connected with the anode of the outlet end.
3. The adapter of claim 1, wherein the adapter is used for preventing the electric vehicle from being touched by mistake at the charging port, and comprises: the thermosensitive switch is connected in series with the Schottky diode and the capacitor.
4. The adapter of claim 1, wherein the adapter is used for preventing the electric vehicle from being touched by mistake at the charging port, and comprises: the thermosensitive switch is attached to the Schottky diode.
5. The adapter of claim 1 or 4, wherein the adapter is used for preventing the wrong touch of the charging port of the electric vehicle, and is characterized in that: the thermosensitive switch is adhered to the Schottky diode through heat conducting glue.
6. The adapter of claim 1, wherein the adapter is used for preventing the electric vehicle from being touched by mistake at the charging port, and comprises: the inlet end, the outlet end, the Schottky diode, the capacitor and the thermosensitive switch are assembled into a whole.
7. The adapter of claim 1, wherein the adapter is used for preventing the electric vehicle from being touched by mistake at the charging port, and comprises: the capacitor is a non-polar capacitor.
8. The adapter of claim 1, wherein the adapter is used for preventing the electric vehicle from being touched by mistake at the charging port, and comprises: the model of the schottky diode is STPS30L60 CT.
9. The adapter of claim 8, wherein the adapter is used for preventing the electric vehicle from being touched by mistake, and comprises: the rated current of the Schottky diode is 25-35A, the voltage resistance is 55-65V, the voltage drop is 0.52-0.6V, the capacitance is 2100-2300 uF, and the voltage resistance value is 55-65V.
10. The adapter of claim 1, wherein the adapter is used for preventing the electric vehicle from being touched by mistake at the charging port, and comprises: the type of the thermal switch is KSD301-250V20A, the parameter is 12-18A, and the operating temperature is 90-110 ℃.
CN201921990822.3U 2019-11-18 2019-11-18 Electric motor car charges mouthful anti-mistouch adapter Expired - Fee Related CN211629882U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921990822.3U CN211629882U (en) 2019-11-18 2019-11-18 Electric motor car charges mouthful anti-mistouch adapter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921990822.3U CN211629882U (en) 2019-11-18 2019-11-18 Electric motor car charges mouthful anti-mistouch adapter

Publications (1)

Publication Number Publication Date
CN211629882U true CN211629882U (en) 2020-10-02

Family

ID=72625744

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921990822.3U Expired - Fee Related CN211629882U (en) 2019-11-18 2019-11-18 Electric motor car charges mouthful anti-mistouch adapter

Country Status (1)

Country Link
CN (1) CN211629882U (en)

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CF01 Termination of patent right due to non-payment of annual fee

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