CN208738874U - Charge release circuit, charging tripper and charging unit - Google Patents
Charge release circuit, charging tripper and charging unit Download PDFInfo
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- CN208738874U CN208738874U CN201821347327.6U CN201821347327U CN208738874U CN 208738874 U CN208738874 U CN 208738874U CN 201821347327 U CN201821347327 U CN 201821347327U CN 208738874 U CN208738874 U CN 208738874U
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- 238000007600 charging Methods 0.000 title claims abstract description 226
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- 238000009434 installation Methods 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 230000008878 coupling Effects 0.000 description 7
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- 238000005859 coupling reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
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- 238000005516 engineering process Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
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- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
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Abstract
The utility model embodiment discloses a kind of charging release circuit, charging tripper and charging unit, and the electrical connections that can guarantee to may insure charging unit after internal fault occurs for charging unit and be electrically charged between device smoothly unlock.The charging release circuit includes: the filter circuit that exchange can be converted to direct current, and filter circuit is used to receive the control signal of the control unit of charging unit, and control signal is used to control the charging connection state of charging unit and charging equipment；Control circuit is connected with the output end of filter circuit, judge for the output signal according to filter circuit and provide can area's dividing control signal whether Yi Chang judgement signal；Driving circuit is connected with the output end of control circuit, for according to the charging connection state for judging signal control charging unit and charging equipment.
Description
Technical field
The utility model belongs to high-power charging technique field more particularly to a kind of charging release circuit, charging unlock dress
It sets and charging unit.
Background technique
It is carried out in high-power charging process for the device of electrical energy drive, charging unit and the electrical connection section for being electrically charged device
Divide since higher voltage and current can be passed through.It, generally can be in charging unit and the electricity for being electrically charged device to guarantee personnel safety
Electronic lock is arranged in coupling part, by inputting signal specific to electronic lock, could change charging unit and the electricity for being electrically charged device
The connection status of coupling part.
For example, energy supply device of the charging pile as new energy vehicle, the electricity exported during to Vehicular charging
Current voltage is very high.Lead to the generation of high pressure electric shock harm to prevent from artificially being drawn guns during charging, can generally fill
Electronic lock is installed inside electric rifle, and by inputting specific pulse signal to electronic lock, guarantees charging gun and vehicle in charging
Connection lock state, wait charging completes could safety unlock draw guns.
But charging unit inevitably has uncontrolled fortuitous event when to device charging is electrically charged, for example, charging
Internal control unit occurs during to Vehicular charging for stake because electrostatic lightning stroke etc. causes control unit crash, internal electric source mould
Situations such as block damage causes control unit operating voltage to increase and burn out control unit, make charging process accidental interruption charging gun still
It so locks on vehicle, cause vehicle that can not charge and replacement charging pile can not be moved or left.This brings very big to user
It is inconvenient.
Utility model content
The utility model embodiment provides a kind of charging release circuit, charging tripper and charging unit, Neng Goubao
The electrical connections that card charging unit may insure charging unit after internal fault occurs and be electrically charged between device smoothly unlock.
In a first aspect, the utility model embodiment provides a kind of charging release circuit, may include:
Exchange can be converted to the filter circuit of direct current, filter circuit is used to receive the control of the control unit of charging unit
Signal processed, control signal are used to control the charging connection state of charging unit and charging equipment；
Control circuit is connected with the output end of filter circuit, judge for the output signal according to filter circuit and to
Out can area's dividing control signal whether Yi Chang judgement signal；
Driving circuit is connected with the output end of control circuit, for according to judge signal control charging unit with wait fill
The charging connection state of electric equipment.
In the second possible implementation of the first aspect, above-mentioned filter circuit includes: for receiving charging unit
Control unit control signal capacitor C1, capacitor C1 is grounded after connecting with resistance R8, and resistance R8 is in parallel with diode D2, and
And diode D2 connect respectively with resistance R2 and capacitor C2 after be grounded.
In a third possible implementation of the first aspect, which can also include indicating fault electricity
Road, failure indicating circuit include: the resistance R1 and light emitting diode for receiving the control signal of the control unit of charging unit
LED1, resistance R1 and Light-emitting diode LED 1 are grounded after connecting.
In a fourth possible implementation of the first aspect, the control circuit may include: light-coupled isolation switch U1,
In the resistance R4 that one end is connected with the anode of the light emitting diode in light-coupled isolation switch U1, one end and light-coupled isolation switch U1
Photo thyristor the collector resistance R3 and resistance R5 that are connected, the diode D5 that cathode is connected with resistance R3,
In, the first DC power supply of another termination of resistance R4, the anode of diode D5 connects the second DC power supply, and diode D5 and second is straight
Self-recovery fuse F1, the emitter ground connection of the photo thyristor in light-coupled isolation switch U1 are in series between galvanic electricity source；
The driving circuit may include: the triode Q2 that gate leve is connected with resistance R5 and one end and the triode Q2
The relay K1 that is connected of collector, wherein another termination of relay K1 second DC power supply, the hair of triode Q2
Emitter grounding.
In the fifth possible implementation of the first aspect, above-mentioned charging release circuit can also include: gate circuit,
The input terminal of gate circuit is connected with the output end of filter circuit, and the output end of gate circuit is connected with the input terminal of control circuit
It connects.
In the sixth possible implementation of the first aspect, above-mentioned charging release circuit can also include that Schmidt is anti-
To trigger U2, the input signal of the reversed trigger U2 of Schmidt is the both end voltage of capacitor C2, the reversed trigger U2 of Schmidt
Output end be connected with the cathode of the light emitting diode in light-coupled isolation switch U1.
In a seventh possible implementation of the first aspect, above-mentioned charging release circuit can also include backup power source
Circuit, stand-by power supply circuit are used to after charging system power down provide backup power source for charging release circuit.
In the 8th kind of possible implementation of first aspect, above-mentioned charging release circuit can also include backup power source
Circuit, stand-by power supply circuit include: capacitor C3 and capacitor C4 in parallel between the second DC power supply and relay K1, wherein
The anode of the minus earth of capacitor C3 and the capacitor C4, capacitor C3 and capacitor C4 are connected with the cathode of diode D5.
Second aspect, the utility model embodiment provide a kind of charging tripper, may include:
The charging release circuit of above-mentioned first aspect description.
The third aspect, the utility model embodiment provide a kind of charging unit, may include above-mentioned second aspect description
Charging tripper.
It, will by the filter circuit of charge connector according to a kind of charging release circuit provided by the embodiment of the utility model
The pulse control signal of the output of charging unit controller is converted to d. c. voltage signal, the control circuit of charge connector according to
The output signal of filter circuit judge and provide can area's dividing control signal whether Yi Chang judgement signal, charge connector later
Driving circuit according to judge signal control charging unit and charging equipment charging connection state.So that charging unlock electricity
The electrical connections that road can may insure charging unit after internal fault occurs for charging unit and be electrically charged between device are suitable
Benefit unlock, has widened charging unit in the event of a failure, the reply processing means of charging unit itself, while improving charging process
The experience of middle user.
Correspondingly, the charging tripper for needing to match with above-mentioned charging release circuit, be directly or indirectly connected
And charging unit and its enlargement technology also can have above-mentioned technical effect.
Detailed description of the invention
It, below will be in the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Required attached drawing is briefly described, it should be apparent that, drawings described below is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of schematic structure schematic diagram of the charging release circuit of embodiment of the utility model；
Fig. 2 is the schematic structure schematic diagram of the charging release circuit of the utility model another kind embodiment；
Fig. 3 is a kind of circuit topology figure of the charging release circuit of embodiment of the utility model；
Fig. 4 is the schematic structure schematic diagram of the charging release circuit of the utility model another embodiment；
Fig. 5 is the circuit topology figure of the charging release circuit of the utility model another kind embodiment；
Fig. 6 is the schematic structure schematic diagram of the charging tripper of the utility model another kind embodiment；
Fig. 7 is the schematic structure schematic diagram of the charging unit of the utility model another kind embodiment.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, many details are proposed, in order to provide the comprehensive understanding to the utility model.But for those skilled in the art
It will be apparent that the utility model can be implemented in the case where not needing some details in these details for member.
Below the description of embodiment is used for the purpose of providing by showing the example of the utility model to the more preferable of the utility model
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality
Unnecessary obscure is caused with novel；Also, for clarity, may be exaggerated the size of part-structure.It is identical attached in figure
Icon note indicates same or similar structure, thus the detailed description that will omit them.In addition, feature described below,
Structure or characteristic can be incorporated in any suitable manner in one or more embodiments.
The noun of locality of middle appearance described below is direction shown in figure, is not the DC charging to the utility model
The specific structure of harness, electrical connection module and charging port component is defined.It also needs in the description of the present invention,
Bright is unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be directly connected, can also be indirectly connected.It is right
For those skilled in the art, visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.Embodiment is described in detail below with reference to the accompanying drawings.
In some cases, charging unit is in the case where carrying out high-power charging handling situations, when judging charging unit power down,
The status of electrically connecting that backup power source can be triggered to unlock charging unit and be electrically charged between device.But occur in charging unit
When internal fault, it can not but accomplish the status of electrically connecting for unlocking charging unit and being electrically charged between device.Such situation is user
Bring great inconvenience.
It should be noted that the charging unit of the utility model embodiment can be applied to as electric vehicle, electronic flight
A variety of device chargings being electrically charged such as device, electronic ship.For purposes of illustration only, below to this by taking electric vehicle and charging pile as an example
Utility model embodiment is introduced.
In some instances, it is above-mentioned charging unit occur internal fault can be the internal control unit of charging unit because
Electrostatic lightning stroke etc. causes control unit to crash, charging pile internal electric source module damage causes control unit operating voltage to increase and burn
The fault conditions such as bad control unit.
Based on the above issues, the utility model embodiment provides a kind of charging release circuit, can guarantee charging unit
The electrical connections that may insure charging unit after internal fault occurs and be electrically charged between device smoothly unlock.
Fig. 1 is a kind of schematic structure schematic diagram of the charging release circuit of embodiment of the utility model.As shown in Figure 1, one
Charging release circuit 100 is planted, may include:
Exchange can be converted to the filter circuit 110 of direct current, filter circuit is used to receive the control unit of charging unit
Control signal, control signal is used to control the charging connection state of charging unit and charging equipment；
Control circuit 120 is connected with the output end of filter circuit, for being judged simultaneously according to the output signal of filter circuit
Provide can area's dividing control signal whether Yi Chang judgement signal；
Driving circuit 130 is connected with the output end of control circuit, for according to judge signal control charging unit and to
The charging connection state of charging equipment.
It should be noted that the filter circuit 110 that above-mentioned exchange is converted to direct current can be and a variety of may be implemented to charge
The control signal of control unit output in device is converted to the filter circuit of direct current signal, herein with no restrictions.
In some instances, the direct current signal that control circuit can be exported according to filter circuit, judges whether control signal
It is abnormal.For example, can judge whether control signal is abnormal according to voltage value when direct current signal is d. c. voltage signal.Into
And according to the judging result of the abnormal conditions to control signal, output judges signal to control driving circuit according to judging signal control
The charging connection state of charging unit and charging equipment processed.
It, will by the filter circuit of charge connector according to a kind of charging release circuit provided by the embodiment of the utility model
The pulse control signal of the output of charging unit controller is converted to d. c. voltage signal, the control circuit of charge connector according to
The output signal of filter circuit judge and provide can area's dividing control signal whether Yi Chang judgement signal, charge connector later
Driving circuit according to judge signal control charging unit and charging equipment charging connection state.So that charging unlock electricity
The electrical connections that road can may insure charging unit after internal fault occurs for charging unit and be electrically charged between device are suitable
Benefit unlock, has widened charging unit in the event of a failure, the reply processing means of charging unit itself, while improving charging process
The experience of middle user.
In order to be shown when charging unit breaks down, so that maintenance personal or user know charging unit
Fault condition.The utility model implements a kind of charging release circuit provided, and Fig. 2 is the utility model another kind embodiment
Charging release circuit schematic structure schematic diagram, as shown in Fig. 2, the charging release circuit 100, can also include indicating fault
Circuit 140, failure indicating circuit 140 may include: the resistance R1 for receiving the control signal of the control unit of charging unit
With Light-emitting diode LED 1, it is grounded after resistance R1 and the series connection of Light-emitting diode LED 1.
In some instances, resistance R1 and Light-emitting diode LED 1 are the control unit of charging unit, for example, single-chip microcontroller
Flashing indicator light circuit.When single-chip microcontroller is in normal operating conditions, output pin, which continuously sends out pulse control signal, makes LED1
Flashing.When single-chip microcontroller is in abnormal operating state, for example, shutting down, crash, the fault conditions such as power-off, output pin current potential
No longer it is pulse control signal, last moment voltage can be kept constant, LED1 is made to be always on or often go out, so that maintenance personal or use
Know the fault condition of charging unit in family.
In some cases, since the pulse control signal of the output of charging unit controller is converted to analog DC electricity
After pressing signal, the control circuit of charge connector judges and provided according to the output signal of filter circuit being capable of area's dividing control signal
Whether Yi Chang digital judgement signal, when analog voltage signal is converted into digital voltage control signal, when collected simulation electricity
Press signal close to digital judgement signal judgment threshold when, analog voltage signal can be made to be converted into digital voltage control signal mistake
Cheng Zhong, digital voltage control signal case of frequent changes.
Stabilization situation when analog voltage signal is converted into digital voltage control signal in order to prevent.In some instances,
Above-mentioned charging release circuit can also include: gate circuit, and the input terminal of gate circuit is connected with the output end of filter circuit, door electricity
The output end on road is connected with the input terminal of control circuit.Above-mentioned gate circuit in analog voltage signal it is possible to prevente effectively from be converted into
During digital voltage control signal, the case where analog voltage signal gets too close to the judgment threshold of digital judgement signal, in turn
Stabilization situation when effectively analog voltage signal being avoided to be converted into digital voltage control signal.
Fig. 3 is a kind of circuit topology figure of the charging release circuit of embodiment of the utility model, as shown in Fig. 3, some
In example, the filter circuit of above-mentioned charging release circuit may include: the control letter for receiving the control unit of charging unit
Number capacitor C1, capacitor C1 is grounded after connecting with resistance R8, and resistance R8 is in parallel with diode D2, and diode D2 respectively with electricity
It is grounded after resistance R2 and capacitor C2 series connection.
Failure indicating circuit may include: the resistance R1 and hair for receiving the control signal of the control unit of charging unit
Optical diode LED1, resistance R1 and Light-emitting diode LED 1 are grounded after connecting.
Control circuit may include: the light emitting diode in light-coupled isolation switch U1, one end and light-coupled isolation switch U1
The resistance R4 that anode is connected, resistance R3 that one end is connected with the collector of the photo thyristor in light-coupled isolation switch U1 and
Resistance R5, the diode D5 that cathode is connected with resistance R3, wherein the first DC power supply of another termination of resistance R4, diode
The anode of D5 connects the second DC power supply, is in series with self-recovery fuse F1 between diode D5 and the second DC power supply, optocoupler every
Leave the emitter ground connection for closing the photo thyristor in U1；
Driving circuit may include: the triode Q2 that gate leve is connected with resistance R5 and one end and the triode Q2
The relay K1 that collector is connected, wherein another termination of relay K1 second DC power supply, the transmitting of triode Q2
Pole ground connection.
Above-mentioned gate circuit can be the reversed trigger U2 of Schmidt, and the input signal of the reversed trigger U2 of Schmidt is capacitor
The both end voltage of C2, the cathode phase of the output end and the light emitting diode in light-coupled isolation switch U1 of the reversed trigger U2 of Schmidt
Connection.
Above-mentioned capacitor C1, resistance R8, diode D2, resistance R2 may be constructed one and exchange and turn direct current with capacitor C2 device
Filter circuit.Wherein, capacitor C1 mainly plays blocking circulation exchange.When the control unit output pulse letter of charging unit
Number when, capacitor C1 is equivalent to short circuit making both ends.When control unit transmission of electricity pressure is high level or is always low level always, electricity
Hold C1 and be equivalent to open circuit, both ends are off-state.Resistance R8 mainly gives capacitor C1 to provide the effect of discharge loop.To ensure pulse
In the state of signal, capacitor C1 can persistently play the effect of short circuit.Diode D2 major function is unilateal conduction effect.Work as charging
When the control unit output pulse signal of device is the pulse signal of (zero~just~zero), by capacitor C1, and capacitor C1 into
It can be to the pulse signal for making pulse signal become and (bear and~just~bear) after row charge and discharge process.The D2 effect of diode is only permission
By diode, undersuing can not pass through positive pulse signal, be guaranteed with this.Resistance R2 main function is putting for capacitor C1
Electrical circuit, can also be by the value of resistance R2 and capacitor C2, to calculate the discharge time of capacitor C2.
Resistance R1 and Light-emitting diode LED 1 are the control unit of charging unit, for example, the flashing indicator light electricity of single-chip microcontroller
Road.When single-chip microcontroller is in normal operating conditions, output pin, which continuously sends out pulse control signal, flashes LED1.Work as single-chip microcontroller
It when being in abnormal operating state, for example, shutting down, crashes, fault conditions, the output pin current potential such as power-off are no longer pulse controls
Signal can keep last moment voltage constant, and LED1 is made to be always on or often go out, so that maintenance personal or user know charging unit
Fault condition.
The reversed trigger U2 of Schmidt (refers to model SN74LVC1G14DCKR), in circuit main function: by simulation electricity
Pressure signal is converted into stabilization effect when digital voltage control signal.
Own temperature can be made fast after by self-recovery fuse F1 itself there is passed through electric current to exceed inherent parameters value
Speed increases, the characteristic that direct impedance becomes larger.Impedance just will limit electric current after becoming larger and become smaller, so that use is done in the protection for playing circuit.
Therefore, the self-recovery fuse F1 being connected between 12V power supply and diode D5 can prevent pulsed electron lock to be powered for a long time
Burn the coupling part electronic lock of charging unit and charging equipment.
Resistance R4 main function: metering function prevents electric current is excessive from burning device.Resistance R3 main function gives triode
One positive voltage control signal is provided.Resistance R5 connects with R3 in circuit, constitutes the connection circuit of a control triode.Three
Pole pipe Q2 primarily serves the function of switching tube in circuit, controls the working condition of relay K1.By relay K1 in circuit
The switching of middle switch, to switch the signal of electronic lock control.
When the control unit of charging unit works normally, control unit controls Light-emitting diode LED 1 and flashes, this time control
Unit pin output signal processed is pulse signal.The filter circuit for turning direct current through exchange obtains a more stable DC voltage
High voltage signal, using the reversed trigger U2 of Schmidt, light-coupled isolation switch U1 output is the control signal of low potential,
Control signal causes triode Q2 not work, and relay does not work.Former pulse control signal is exported by relay K1 normal-closed end
To the charging connection portion for being electrically charged device.
When the control unit irregular working of charging unit, what control unit control Light-emitting diode LED 1 flashed draws
Foot is DC level, for example, being always low level or being always high level.Turn filter circuit one electricity of acquisition of direct current through exchanging
The voltage signal that pressure is zero, using the reversed trigger U2 of Schmidt, light-coupled isolation switch U1 output is that the control of high potential is believed
Number, cause triode Q2 work, relay K1 work, two-way normally-closed contact be attracted, until make in Fig. 3 export pulse negative terminal with it is defeated
The signal that pulse anode is accessed out switches to the undersuing that above-mentioned control circuit provides, so as to control charging unit with to
The coupling part of charging equipment unlocks.
In some cases, when charging unit is to being electrically charged during device is charged there is a situation where power down,
It can be by increasing stand-by power supply circuit for charging release circuit come for the coupling part for charging unit and charging equipment
Unlock.
Fig. 4 is the schematic structure schematic diagram of the charging release circuit of the utility model another embodiment.As shown in figure 4,
The charging release circuit 110 can also include stand-by power supply circuit 150, and stand-by power supply circuit 150 is used in charging system power down
Backup power source is provided afterwards for charging release circuit.
Fig. 5 is the circuit topology figure of the charging release circuit of the utility model another kind embodiment, as shown in figure 5, above-mentioned
The release circuit 110 that charges can also include stand-by power supply circuit 150, and stand-by power supply circuit 150 may include: in the second direct current
Capacitor C3 and capacitor C4 in parallel between source and relay K1, wherein the minus earth of capacitor C3 and the capacitor C4, capacitor C3
It is connected with the anode of the capacitor C4 with the cathode of diode D5.Wherein, which can use direct current 12v
Power supply.
Diode D5 major function unilateal conduction characteristic.In circuit main function: when input voltage power down, preventing big energy storage
Capacitor C3, C4 electric current flows backward reflux.Capacitor C3, C4 mainly utilize the energy storage of capacitor to act on, when charging unit control unit not
When normal work, it is DC level that control unit, which controls the pin that Light-emitting diode LED 1 flashes, for example, always for low level or
It is always high level.It is exchanged and turns the voltage signal that filter circuit one voltage of acquisition of direct current is zero, it is anti-using Schmidt
To trigger U2, light-coupled isolation switch U1 output is the control signal of high potential, causes triode Q2 to work, relay K1 work
Make, former pulse control signal can not be exported by relay K1 to the charging connection portion for being electrically charged device, and capacitor C3, C4 pass through
The normally open end relay K1 exports undersuing, so that the coupling part of control charging unit and charging equipment unlocks.One
In a little examples, above-mentioned charging unit can be the charging pile to charge for electric vehicle, charging unit and charging equipment
Coupling part can be charging gun.
Fig. 6 is the schematic structure schematic diagram of the charging tripper of the utility model another kind embodiment.As shown in fig. 6,
The utility model embodiment additionally provides a kind of charging tripper 600, may include: above-mentioned charging release circuit 100.
It, will by the filter circuit of charge connector according to a kind of charging tripper provided by the embodiment of the utility model
The pulse control signal of the output of charging unit controller is converted to d. c. voltage signal, the control circuit of charge connector according to
The output signal of filter circuit judge and provide can area's dividing control signal whether Yi Chang judgement signal, charge connector later
Driving circuit according to judge signal control charging unit and charging equipment charging connection state.So that charging unlock electricity
The electrical connections that road can may insure charging unit after internal fault occurs for charging unit and be electrically charged between device are suitable
Benefit unlock, has widened charging unit in the event of a failure, the reply processing means of charging unit itself, while improving charging process
The experience of middle user.
Fig. 7 is the schematic structure schematic diagram of the charging unit of the utility model another kind embodiment.As shown in fig. 6, this reality
A kind of charging unit 700 is additionally provided with new embodiment, may include the charging tripper of above-mentioned second aspect description
600。
According to a kind of charging unit provided by the embodiment of the utility model, will be charged by the filter circuit of charge connector
The pulse control signal of the output of Setup Controller is converted to d. c. voltage signal, and the control circuit of charge connector is according to filtering
The output signal of circuit judge and provide can area's dividing control signal whether Yi Chang judgement signal, the drive of charge connector later
Dynamic circuit is according to the charging connection state for judging signal control charging unit and charging equipment.Enable the charging release circuit
Enough electrical connections that may insure charging unit after internal fault occurs for charging unit and be electrically charged between device smoothly solve
Lock, has widened charging unit in the event of a failure, the reply processing means of charging unit itself, while improving in charging process and using
The experience at family.
By taking the 400KW direct-current charging post using above-mentioned charging tripper as an example.Charging tripper can be integrated in
On charging pile body internal circuit board, the output control lead for the tripper that charges passes through the connecting terminal connection in charging pile peg board
To charging gun internal pulses electronic lock control pin on, when charging gun insertion electric vehicle on and charging process in charging pile control
When unit processed breaks down, charging tripper exports the pulse voltage signal an of -12V, the lock unlock of Lai Shixian pulsed electron
Function.
The utility model can be realized in other specific forms, without departing from its spirit and essential characteristics.Therefore, currently
Embodiment be all counted as being exemplary rather than in all respects limited, the scope of the utility model is wanted by appended right
Ask rather than foregoing description defines, also, fall into the meaning of claim and whole in the range of equivalent change to all by
It is included among the scope of the utility model.Also, the different technologies feature occurred in different embodiments can be combined,
To obtain beneficial effect.Those skilled in the art will be understood that simultaneously on the basis of studying attached drawing, specification and claims
Realize the embodiment of other variations of revealed embodiment.
Claims (10)
1. a kind of charging release circuit characterized by comprising
Exchange can be converted to the filter circuit of direct current, the filter circuit is used to receive the control of the control unit of charging unit
Signal processed, the control signal are used to control the charging connection state of the charging unit and charging equipment；
Control circuit is connected with the output end of the filter circuit, for being judged according to the output signal of the filter circuit
And provide can distinguish the control signal whether Yi Chang judgement signal；
Driving circuit is connected with the output end of the control circuit, fills for controlling the charging according to the judgement signal
Set the charging connection state with charging equipment.
2. charging release circuit according to claim 1, which is characterized in that the filter circuit includes: to fill for receiving
The capacitor C1 of the control signal of the control unit of electric installation, the capacitor C1 are grounded after connecting with resistance R8, the resistance R8 and
Diode D2 is in parallel, and the diode D2 connect respectively with resistance R2 and capacitor C2 after be grounded.
3. charging release circuit according to claim 1, which is characterized in that the charging release circuit further includes that failure refers to
Show that circuit, the failure indicating circuit include: the resistance R1 and hair for receiving the control signal of the control unit of charging unit
Optical diode LED1, the resistance R1 and the Light-emitting diode LED 1 are grounded after connecting.
4. charging release circuit according to claim 2, which is characterized in that
The control circuit includes: the light emitting diode in light-coupled isolation switch U1, one end and the light-coupled isolation switch U1
The resistance R4 that anode is connected, the resistance that one end is connected with the collector of the photo thyristor in the light-coupled isolation switch U1
R3 and resistance R5, the diode D5 that cathode is connected with the resistance R3, wherein the first direct current of another termination of the resistance R4
Power supply, the anode of the diode D5 connect the second DC power supply, are in series between the diode D5 and the second DC power supply certainly
Restore fuse F1, the emitter ground connection of the photo thyristor in the light-coupled isolation switch U1；
The driving circuit includes: gate leve and the resistance R5 triode Q2 being connected and one end and the triode Q2
The relay K1 that collector is connected, wherein another termination of the relay K1 second DC power supply, the triode
The emitter of Q2 is grounded.
5. charging release circuit according to claim 1, which is characterized in that further include: gate circuit, the gate circuit it is defeated
Enter end to be connected with the output end of the filter circuit, the output end of the gate circuit is connected with the input terminal of the control circuit
It connects.
6. charging release circuit according to claim 4, which is characterized in that further include the reversed trigger U2 of Schmidt, institute
The input signal for stating the reversed trigger U2 of Schmidt is the both end voltage of the capacitor C2, the reversed trigger U2's of Schmidt
Output end is connected with the cathode of the light emitting diode in the light-coupled isolation switch U1.
7. charging release circuit according to claim 1, which is characterized in that it further include stand-by power supply circuit, it is described spare
Power circuit is used to after charging system power down provide backup power source for charging release circuit.
8. charging release circuit according to claim 6, which is characterized in that it further include stand-by power supply circuit, it is described spare
Power circuit includes: capacitor C3 and capacitor C4 in parallel between second DC power supply and relay K1, wherein the electricity
The cathode phase of the anode and the diode D5 of the minus earth of appearance C3 and the capacitor C4, the capacitor C3 and the capacitor C4
Connection.
9. a kind of charging tripper characterized by comprising the described in any item charging release circuits of claim 1 to 8.
10. a kind of charging unit characterized by comprising charging tripper as claimed in claim 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821347327.6U CN208738874U (en) | 2018-08-21 | 2018-08-21 | Charge release circuit, charging tripper and charging unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821347327.6U CN208738874U (en) | 2018-08-21 | 2018-08-21 | Charge release circuit, charging tripper and charging unit |
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| CN208738874U true CN208738874U (en) | 2019-04-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361439A (en) * | 2020-04-26 | 2020-07-03 | 成都肯保捷旭阳新能源电器有限公司 | Control method and device for preventing charging gun from being locked |
| CN113433484A (en) * | 2021-07-29 | 2021-09-24 | 上海玖行能源科技有限公司 | Alternating current pile grounding detection system and control method |
| CN114435171A (en) * | 2022-02-08 | 2022-05-06 | 北京智充科技有限公司 | Inclined charging pile charging management method and device, electronic equipment and medium |
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2018
- 2018-08-21 CN CN201821347327.6U patent/CN208738874U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361439A (en) * | 2020-04-26 | 2020-07-03 | 成都肯保捷旭阳新能源电器有限公司 | Control method and device for preventing charging gun from being locked |
| CN111361439B (en) * | 2020-04-26 | 2024-04-02 | 成都肯保捷旭阳新能源电器有限公司 | Control method and device for preventing charging gun from locking |
| CN113433484A (en) * | 2021-07-29 | 2021-09-24 | 上海玖行能源科技有限公司 | Alternating current pile grounding detection system and control method |
| CN113433484B (en) * | 2021-07-29 | 2024-05-03 | 上海玖行能源科技有限公司 | AC pile grounding detection system and control method |
| CN114435171A (en) * | 2022-02-08 | 2022-05-06 | 北京智充科技有限公司 | Inclined charging pile charging management method and device, electronic equipment and medium |
| CN114435171B (en) * | 2022-02-08 | 2022-09-27 | 北京智充科技有限公司 | Charging management method and device for inclined charging pile, electronic equipment and medium |
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