CN207403578U - A kind of circuit for being used to indicate alternating current-direct current charging gun state - Google Patents
A kind of circuit for being used to indicate alternating current-direct current charging gun state Download PDFInfo
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- CN207403578U CN207403578U CN201720740158.1U CN201720740158U CN207403578U CN 207403578 U CN207403578 U CN 207403578U CN 201720740158 U CN201720740158 U CN 201720740158U CN 207403578 U CN207403578 U CN 207403578U
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- charging gun
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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
- Y02T10/72—Electric energy management in electromobility
Abstract
The utility model is related to a kind of circuit for being used to indicate alternating current-direct current charging gun state, including provided for circuit the 12V DC Switching Power Supply of electric energy, the first positive rectification circuit, for export the first regulator circuit of+5V voltage signals, first comparator, the first filter circuit for being connected to first comparator output terminal, the conducting of the first high level switch element and the first alarm appliance；The output terminal of first regulator circuit is connected to the electrode input end of first comparator；The CP signals of AC charging rifle or the CC1 signals of DC charging rifle are connected to the negative input of first comparator by the first positive rectification circuit；The output signal of first comparator controls being turned on or off for the switch element of the first high level conducting after first filter circuit；First alarm appliance sends alarm signal in the switching elements conductive that the first high level turns on.It realizes to increase and plugs in rifle state instruction, convenient for inserting gun shape state to user feedback, promote man-machine interaction experience, improve charge efficiency.
Description
Technical field
The utility model belongs to electric vehicle charging technique field, and in particular to one kind is used to indicate alternating current-direct current charging gun shape
The circuit of state.
Background technology
With the development of electric vehicle, new energy charging is quickly grown.In existing electric vehicle charging industry, usual user
First by the vehicle socket of charging gun insertion electric vehicle, then charged using barcode scanning or the modes such as swipe the card to electric vehicle,
But barcode scanning or electric vehicle may rifle is not in place to cause failure of charging because inserting after swiping the card, and user does not also discover, and in mistake
Find that electric vehicle is not filled electricity with or filled when user has found to charge without starting by repeatedly plugging after a period of time
Electric rifle and multiple barcode scanning or swipe the card, which attempts to restart, to charge, and causes user's operation experience poor.
Therefore, in order to prompt whether user's charging gun realizes connection in place when being inserted into vehicle socket, the utility model provides
A kind of circuit for being used to indicate charging gun and whether being normally inserted into vehicle socket.
Utility model content
The utility model provides a kind of purpose for the circuit for being used to indicate alternating current-direct current charging gun state and is, existing for solving
Have in technology causes the problem of failing of charging because plug in rifle is not in place, and realizing increases plug in rifle state instruction, convenient for being inserted to user feedback
Gun shape state promotes man-machine interaction experience, improves charge efficiency.
In order to realize above-mentioned technical purpose, the utility model provides following technical solution and is achieved：
A kind of circuit for being used to indicate alternating current-direct current charging gun state, which is characterized in that including providing electric energy for the circuit
12V DC Switching Power Supply, the first positive rectification circuit, for exporting the first regulator circuit of+5V voltage signals, first compare
Device, the first filter circuit for being connected to the first comparator output terminal, the switch element of the first high level conducting and the first report
Alert device；The output terminal of first regulator circuit is connected to the electrode input end of the first comparator；AC charging rifle
The CC1 signals of CP signals or DC charging rifle are connected to the cathode of the first comparator by the described first positive rectification circuit
Input terminal；The output signal of the first comparator controls opening for the first high level conducting after first filter circuit
Close being turned on or off for element；First alarm appliance sends report in the switching elements conductive that first high level turns on
Alert signal.
Further, the circuit for being used to indicate alternating current-direct current charging gun state, which further includes, filters 12V DC Switching Power Supply
The filter circuit of ripple, the filter circuit include two shunt capacitances.
Further, the switch element of the first high level conducting is NPN triode, base stage and the described first filtering
The output signal of circuit is connected, and collector is connected with by the first pull-up resistor with 12V DC Switching Power Supply, emitter and first
The input terminal of alarm appliance is connected.
Further, first alarm appliance is LED light, buzzer or vibrating motor.
Further, first regulator circuit is the chip of TL431 series.
Further, it is described to be used to indicate in order to indicate to the user that the charged state of DC charging rifle or AC charging rifle
The circuit of alternating current-direct current charging gun state further includes charging state detection circuit, including being transported for reducing the difference of input voltage
The second positive rectification circuit for put, being connected with the output terminal of the difference amplifier, the second comparator, for exporting 1.25V voltages
The second regulator circuit and the second alarm appliance；The anode that the charging anode of DC charging rifle connects the difference operational amplifying circuit is defeated
Enter end and its charging cathode connects the negative input of the difference operational amplifying circuit or the charging anode connection institute of AC charging rifle
It states the defeated input terminal of anode of difference operational amplifying circuit and its charging cathode connects the negative input of the difference operational amplifying circuit；It is described
The input terminal of the described second positive rectification circuit of output terminal connection of difference amplifier, and the output of the described second positive rectification circuit
End is connected to the electrode input end of second comparator；The output terminal of second regulator circuit is connected to described second and compares
The negative input of device；The output signal of second comparator controls the conducting of the switch element of the second high level conducting
Or it disconnects；Second alarm appliance sends alarm signal in the switching elements conductive that second high level turns on.
Further, the switch element of the second high level conducting is NPN triode, and base stage is compared with described second
The output signal of device is connected, and collector is connected by the second pull-up resistor with 12V DC Switching Power Supply, emitter and the second alarm
The input terminal of device is connected.
Further, second alarm appliance is LED light, buzzer or vibrating motor.
Further, second regulator circuit is the chip of TL431 series.
Compared with prior art, the circuit provided by the utility model for being used to indicate alternating current-direct current charging gun state has as follows
Advantages and beneficial effects：DC charging rifle is directed to, CC1 signals are connected to first comparator by the first positive rectification circuit
Negative input ,+5V voltage signals input the electrode input end of first comparator, when DC charging rifle and vehicle socket are connected to
During position, first comparator output high level, the switch element that the first high level is driven to turn on after being filtered by the first filter circuit
Conducting so as to which the first alarm appliance sends alarm signal, reminds user's connection in place, and when DC charging rifle and vehicle socket connect
When not receiving, first comparator output low level, the conducting of the first high level opens after being filtered by the first filter circuit
It closes element to disconnect, so as to which the first alarm appliance will not send alarm signal；Be directed to AC charging rifle, CP signals by first just
The negative input of first comparator is connected to rectification circuit ,+5V voltage signals input the electrode input end of first comparator,
When AC charging rifle is connected in place with vehicle socket, the output of first comparator drives first after the filtering of the first filter circuit
The switching elements conductive of high level conducting so as to which the first alarm appliance sends alarm signal, reminds user's connection in place, and works as and hand over
When current charge rifle is connected not in place with vehicle socket, first comparator output high electricity of driving first after the filtering of the first filter circuit
The switch element of flat conducting disconnects, so as to which the first alarm appliance will not send alarm signal；Therefore, can be realized by the circuit
Detection and instruction to the slotting gun shape state of AC or DC charging gun promote man-machine interaction experience, so as to improve charge efficiency.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to this practicality
New embodiment or attached drawing needed to be used in the description of the prior art are made one and are briefly introduced, it should be apparent that, it is described below
Attached drawing is some embodiments of the utility model, for those of ordinary skill in the art, is not being made the creative labor
On the premise of, it can also be obtained according to these attached drawings other accompanying drawings.
Fig. 1 shows that DC charging controls guidance circuit schematic diagram in national standard；
Fig. 2 shows that AC charging controls guidance circuit schematic diagram in national standard；
Fig. 3 shows that the utility model is used to indicate a kind of embodiment of the circuit of alternating current-direct current charging gun state；
Fig. 4 shows that the utility model is used to indicate another embodiment of the circuit of alternating current-direct current charging gun state.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The scope of the utility model protection.
DC charging rifle is directed to, which is suitable for the straight of connection mode C charge modes 4 specified in national standard
Current charge equipment charging pipette tips, as shown in Figure 1, when DC charging rifle is inserted into vehicle socket by user, CC1 in charging gun
Line（That is, charging connection confirms）Be connected with vehicle socket is to start the prerequisite to charge, the test point of CC1 line connecting lines in place
Voltage signal at 1 is 12V, 6V and 4V, not in place being connected to represent charging gun during 12V and 6V with vehicle socket, and is 4V
When represent connection in place.Therefore, it is necessary to be prompted when voltage is 4V to user feedback, to show to be currently connected to position, and in electricity
Press not give client feedback prompting during 12V and 6V, using show currently to connect it is not in place or when voltage is as 4V it is anti-not to user
Feedback prompting to show to be currently connected to position, and is prompted when voltage is 12V and 6V to client feedback, to show that currently connection is not
In place, charging gun is adjusted in time convenient for user, improve charge efficiency.
AC charging rifle is directed to, which is suitable for connection mode B, connection mode C specified in national standard, fills
The AC charging equipment charging pipette tips of power mode 2, charge mode 3, as shown in Fig. 2, when AC charging rifle is inserted into vehicle by user
When in socket, CP lines in charging gun（That is, control confirms）Be connected with vehicle socket is to start the prerequisite to charge, CP in place
The voltage signal at test point 1 at line connecting line is+12V ,+9V, ± 12V PWM, ± 9V PWM and ± 6V PWM, when for ±
12V PWM, ± 9V PWM and connection is represented in place during ± 6V PWM, and be+12V and when+9V represents that connection is not in place.Therefore,
It needs giving user feedback prompting for ± 12V PWM, ± 9V PWM and during ± 6V PWM, to show to be currently connected to position, and
Client feedback prompting is not given when voltage is 12V and 9V, it is not in place or for ± 12V PWM, ± 9V PWM to show currently to connect
With user feedback prompting is not given during ± 6V PWM, to show to be currently connected to position, and client feedback prompting is given when being 12V and 9V,
It is not in place to show currently to connect, charging gun is adjusted in time convenient for user, improves charge efficiency.
When charging gun is inserted into vehicle socket, in order to insert gun shape state to user feedback in time, as shown in figure 3, this practicality is new
Type provides a kind of circuit for being used to indicate alternating current-direct current charging gun state, including provided for circuit electric energy 12V DC Switching Power Supply,
First positive rectification circuit compares for exporting the first regulator circuit of+5V voltage signals, first comparator, being connected to first
The first filter circuit, the switch element and the first alarm appliance of the conducting of the first high level of device output terminal；First regulator circuit
Output terminal is connected to the electrode input end of first comparator；The CP signals of AC charging rifle or the CC1 signals of DC charging rifle lead to
Cross the negative input that the first positive rectification circuit is connected to first comparator；The output signal of first comparator passes through the first filter
Wave circuit controls being turned on or off for the switch element of the first high level conducting；First alarm appliance is turned in the first high level
Alarm signal is sent during switching elements conductive.The circuit can be arranged on independently of AC charging rifle or DC charging rifle outside it
Portion can be arranged on inside its charging pipette tips.In the present embodiment, 12V DC Switching Power Supply can be out of charger
Accessory power supply takes electricity, for example, when the charging gun is DC charging rifle, piece side's line of charging gun internal reservation and ground wire conduct
The supply line of 12V DC Switching Power Supply；When the charging gun is AC charging rifle, AC charging rifle line two 1 sides of internal reservation
Line or the reserved supply line of side's line and ground wire as 12V DC Switching Power Supply.
Specifically, as shown in figure 3, in the present embodiment, the first positive rectification circuit includes rectifier diode D2 and current limliting
Resistance R1, for the negative input 2 that first comparator UB2ALM324 is inputted after the signal progress rectification from CP/CC1 to be drawn
At foot；First regulator circuit is the TL431IDBVR controllable accurate source of stable pressure of TL413 series, and electricity is stablized in the output of output pin 1
Pressure+2.5V passes through resistance R5 and R6 so that A points voltage is+5V, by+5V electricity after the filter circuit filtering being made up of R2 and C1
At pressure input to 3 pin of electrode input end of first comparator UB2ALM324；First filter circuit is RC filter circuits, is wrapped
R3 and C8 are included, and in the present embodiment, in order to which the signal exported to first comparator carries out rectification, is set between R3 and C8
There is rectifier diode D3；The output signal of first comparator UB2ALM324 controls the switch element QF2 of the first high level conducting to be
No conducting, and then control whether the first alarm appliance X3 sends alarm signal.
In the present embodiment, the switch element QF2 of the first high level conducting is NPN triode, and base stage is connected with C8, is collected
Electrode is connected by the first pull-up resistor R8 with 12V DC Switching Power Supply, the input terminal phase of emitter and the first alarm appliance X3
Even.And first alarm appliance X3 can be LED light, buzzer or vibrating motor, to the first alarm appliance X3 for positive
During voltage, LED light is lighted, buzzer can beep or vibrating motor generates vibration since energization rotates, so as to
It prompts, to user, in the present embodiment, to illustrate so that the first alarm appliance X3 is LED light as an example.
Specifically, be directed to DC charging rifle, CC1 output voltages be 12V, 6V and 4V when analyzed respectively, for
During 6V, after D2 and R1 is set to carry out rectification current limliting so that the voltage value at 2 pins of first comparator is less than 6V and is more than
5V, similarly for 12V, the voltage value at 2 pins of first comparator is certain to be more than 5V, therefore, first comparator
The output of UB2ALM324 is low level, so as to which QF2 is not turned on, since LED light X3 does not provide forward voltage input, because
This is not lighted, and represents that charging gun is not connected in place with vehicle socket at this time；For 4V when, by the way that D2 and R1 is set to carry out rectification limit
After stream so that the voltage value at 2 pins of first comparator is less than 4V, and therefore, the output of first comparator UB2ALM324 is height
Level, so as to which QF2 is turned on, 1 pin of LED light X3 is high level, and therefore, LED light X3 is lighted, and represents to charge at this time
Rifle is connected in place with vehicle socket.
AC charging rifle is directed to, is carried out respectively when CP output voltages are ± 12V PWM, ± 9V PWM and ± 6V PWM
Analysis, in+12V or+9V, analysis is similar to DC charging rifle, first comparator UB2ALM324 output low levels, so as to QF2
It does not turn on, since LED light X3 does not provide forward voltage input, does not light, represent that charging gun is inserted with vehicle at this time
Seat is not connected in place；When for signal ± 12V PWM, ± 9V PWM or ± 6V PWM when, after D2 and R1 rectification current limlitings, first
2 pin of negative input of comparator UB2ALM324 is+12V PWM ,+9V PWM or+6V PWM, therefore, first comparator
The output of UB2ALM324 is+12V PWM ,+9V the PWM or+6V PWM of reverse phase, becomes pulsing afterwards by R3, D3 and C8
Type DC level, so as to which QF2 is turned on, 1 pin of LED light X3 is high level, and therefore, LED light X3 is lighted, at this time table
Show that charging gun is connected in place with vehicle socket.
As described above, the circuit can lighting or non-lit up prompt user's charging gun and vehicle according to LED light X3
Whether socket connects in place, is indicated according to the feedback of LED light X3, and user is instructed to carry out charging operations, avoids user
It repeatedly plugs charging gun or repeatedly swipes the card, improve charge efficiency, promote the experience of user's charging operations.
Further, as shown in figure 3, in order to filter out the noise and burr in 12V DC Switching Power Supply, 12V DC is opened
Powered-down source is filtered using two shunt capacitances C5 and C6.
Further, after connection in place, in order to indicate to the user that the charged state of DC charging rifle or AC charging rifle,
When being directed to DC charging rifle, DC+, DC- are detected（As shown in Figure 1）Between voltage, when the voltage between DC+, DC- is in 48V-
When in the range of 950V, represent that charging gun is in charged state；When being directed to AC charging rifle, L, N are detected（As shown in Figure 2）It
Between voltage, when for 220V when, represent charging gun be in charged state.Based on as described above, as shown in figure 4, for the ease of retouching
It states, the voltage between voltage or L, N between DC+, DC- is known as the input voltage of charging state detection circuit, difference amplifier
For UB2BLM324 for reducing input voltage, the second positive rectification circuit includes rectifier diode D1, current-limiting resistance R4 and capacitance
C7, for will be inputted after the voltage commutation of CP at 10 pin of electrode input end of the second comparator UB2CLM324；Second is steady
Volt circuit is the TLVH431ICDBVR controllable accurate source of stable pressure of TL413 series, for exporting+1.25V voltages；Second comparator
The output signal of UB2CLM324 controls being turned on or off for the switch element of the second high level conducting；Second alarm appliance is
Alarm signal is sent during the switching elements conductive of two high level conducting.
In the present embodiment, the switch element QF1NPN triodes of the second high level conducting, base stage are connected with R17, collect
Electrode is connected by the second pull-up resistor R22 with 12V DC Switching Power Supply, the input terminal phase of emitter and the second alarm appliance X4
Even.And second alarm appliance X4 can be LED light, buzzer or vibrating motor, to the second alarm appliance X4 for positive
During voltage, LED light is lighted, buzzer can beep or vibrating motor generates vibration since energization rotates, so as to
It prompts, to user, in the present embodiment, to illustrate so that the second alarm appliance X4 is LED light as an example.
Specifically, DC charging rifle is directed to, DC+, DC- are depressured by a series of resistance R9-R13 and R21, current limliting
6 pin of 5 pin of electrode input end and negative input of difference amplifier UB2BLM324 is separately input into afterwards, it is suitable by setting
Resistance value voltage between DC+, DC- is caused to export electricity in 7 pin of output terminal for putting UB2BLM324 more than 48V time difference partite transports
Pressure is more than 1.25V, which is inputted by the anode into the second comparator UB2CLM324 after D1 rectifications and R4, C7 filtering
10 pins are held, and since the output pin 1 of TLVH431ICDBVR controllable accurate source of stable pressure exports burning voltage+1.25V so that B
Point voltage is+1.25V, by+1.25V control sources to the second comparator after the filter circuit filtering being made up of R19 and C3
At 9 pin of negative input of UB2CLM324, therefore, the output of the second comparator UB2CLM324 is high level, so as to which QF1 is led
Logical, 1 pin of LED light X4 is high level, and therefore, LED light X4 is lighted, and represents that DC charging rifle is in charging shape
State.
AC charging rifle is directed to, alternating voltage input is depressured, by a series of resistance R9-R13 and R21 after current limliting
6 pin of 5 pin of electrode input end and negative input of difference amplifier UB2BLM324 is separately input into, it is suitable by setting
Resistance value causes 7 pin of output terminal of difference amplifier UB2BLM324 to export the sine wave of 5.72V（Or other resistance values is set to cause
Sine wave of 7 pin of the output terminal output more than 1.25V of difference amplifier UB2BLM324）, which passes through D1 rectifications and R4, C7
Become jerk type DC level after filtering and into 10 pin of electrode input end of the second comparator UB2CLM324, and due to
The output pin 1 of TLVH431ICDBVR controllable accurate source of stable pressure exports burning voltage+1.25V, the filter being made up of R19 and C3
By at 9 pin of negative input of+1.25V control sources to the second comparator UB2CLM324 after wave circuit filtering, therefore, the
The output of two comparator UB2CLM324 is high level, and so as to which QF1 is turned on, 1 pin of LED light X4 is high level, therefore,
LED light X4 is lighted, and represents that AC charging rifle is in charged state.
In order to distinguish plug in rifle state instruction and charged state instruction, for example, DC charging rifle or AC charging rifle are directed to,
It can will be used to indicate the LED light X3 of connection in place and yellowly or other colors are set, and be used to indicate charged state
LED light X4 is configured differently than the green or other colors of LED light X3 colors.Since charging gun and vehicle socket connect
It is to start the prerequisite to charge to be connected to position, and therefore, a multi-colored led finger may be employed in LED light X3 or LED light X4
Show that lamp is realized, after connection in place, multi-colored led indicator light can be shown as yellow, and when hereafter charging, multi-colored led indicator light is more
It is changed to other colors different from yellow.
In addition, the circuit may be mounted inside the charging gun pipette tips of DC charging rifle or AC charging rifle or can lead to
Cable is crossed outside the charging gun pipette tips.By the circuit be mounted on the charging gun pipette tips inside when, LED light X3 or
LED light X4 is pierced by by the hole opened up in charging gun housing body, which is opened in what eyes when user holds rifle were conveniently seen
At position.
The circuit for being used to indicate alternating current-direct current charging gun state of the utility model, by being set such as in alternating current-direct current charging gun
The circuit adds plug in rifle state instruction and charged state instruction in alternating current-direct current charging gun, when plugging in rifle in time to
User feedback connection whether instruction in place, adjust charging gun connection mode convenient for user, improve charge efficiency, and effectively carry
Man-machine interaction experience is risen, so as to promote the competitiveness of product in market.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (9)
1. a kind of circuit for being used to indicate alternating current-direct current charging gun state, which is characterized in that including providing electric energy for the circuit
12V DC Switching Power Supply, the first positive rectification circuit, for exporting the first regulator circuit of+5V voltage signals, first compare
Device, the first filter circuit for being connected to the first comparator output terminal, the switch element of the first high level conducting and the first report
Alert device；The output terminal of first regulator circuit is connected to the electrode input end of the first comparator；AC charging rifle
The CC1 signals of CP signals or DC charging rifle are connected to the cathode of the first comparator by the described first positive rectification circuit
Input terminal；The output signal of the first comparator controls opening for the first high level conducting after first filter circuit
Close being turned on or off for element；First alarm appliance sends report in the switching elements conductive that first high level turns on
Alert signal.
2. the circuit according to claim 1 for being used to indicate alternating current-direct current charging gun state, which is characterized in that further include pair
The filter circuit of 12V DC Switching Power Supply filtering, the filter circuit include two shunt capacitances.
3. the circuit according to claim 1 or 2 for being used to indicate alternating current-direct current charging gun state, which is characterized in that described
The switch element of one high level conducting is NPN triode, and base stage is connected with the output signal of first filter circuit, current collection
Pole is connected with by the first pull-up resistor with 12V DC Switching Power Supply, the input terminal phase of emitter and first alarm appliance
Even.
4. the circuit according to claim 1 or 2 for being used to indicate alternating current-direct current charging gun state, which is characterized in that described
One alarm appliance is LED light, buzzer or vibrating motor.
5. the circuit according to claim 1 or 2 for being used to indicate alternating current-direct current charging gun state, which is characterized in that described
One regulator circuit is the chip of TL431 series.
6. the circuit according to claim 1 for being used to indicate alternating current-direct current charging gun state, which is characterized in that further include charging
State detection circuit, including for reduce input voltage difference amplifier, be connected with the output terminal of the difference amplifier
Two positive rectification circuits, the second comparator, for exporting the second regulator circuit of+1.25V voltages, the conducting of the second high level is opened
Close element and the second alarm appliance；The charging anode of DC charging rifle connects the electrode input end of the difference amplifier and it charges
The charging anode of negative input or AC charging rifle that cathode connects the difference amplifier connects the anode of the difference amplifier
Input terminal and its charging cathode connect the negative input of the difference amplifier；The output terminal connection described the of the difference amplifier
The input terminal of two positive rectification circuits, and the output terminal of the described second positive rectification circuit is being connected to second comparator just
Pole input terminal；The output terminal of second regulator circuit is connected to the negative input of second comparator；Second ratio
Output signal compared with device controls the switch element of second high level conducting to be turned on or off；Second alarm appliance exists
Alarm signal is sent during the switching elements conductive of the second high level conducting.
7. the circuit according to claim 6 for being used to indicate alternating current-direct current charging gun state, which is characterized in that described second is high
The switch element of level conducting is NPN triode, and base stage is connected with the output signal of second comparator, and collector passes through
Second pull-up resistor is connected with 12V DC Switching Power Supply, and emitter is connected with the input terminal of the second alarm appliance.
8. the circuit for being used to indicate alternating current-direct current charging gun state according to claim 6 or 7, which is characterized in that described
Two alarm appliances are LED light, buzzer or vibrating motor.
9. the circuit according to claim 6 for being used to indicate alternating current-direct current charging gun state, which is characterized in that described second is steady
Volt circuit is the chip of TL431 series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740158.1U CN207403578U (en) | 2017-06-23 | 2017-06-23 | A kind of circuit for being used to indicate alternating current-direct current charging gun state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740158.1U CN207403578U (en) | 2017-06-23 | 2017-06-23 | A kind of circuit for being used to indicate alternating current-direct current charging gun state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207403578U true CN207403578U (en) | 2018-05-25 |
Family
ID=62322343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720740158.1U Withdrawn - After Issue CN207403578U (en) | 2017-06-23 | 2017-06-23 | A kind of circuit for being used to indicate alternating current-direct current charging gun state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207403578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244252A (en) * | 2017-06-23 | 2017-10-13 | 青岛特来电新能源有限公司 | A kind of circuit for being used to indicate alternating current-direct current charging gun state |
| CN110927430A (en) * | 2019-12-09 | 2020-03-27 | 国网智能科技股份有限公司 | System and method for detecting guide voltage of direct-current charging gun of electric vehicle |
-
2017
- 2017-06-23 CN CN201720740158.1U patent/CN207403578U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107244252A (en) * | 2017-06-23 | 2017-10-13 | 青岛特来电新能源有限公司 | A kind of circuit for being used to indicate alternating current-direct current charging gun state |
| CN107244252B (en) * | 2017-06-23 | 2023-06-13 | 青岛特来电新能源科技有限公司 | Circuit for indicating state of AC/DC charging gun |
| CN110927430A (en) * | 2019-12-09 | 2020-03-27 | 国网智能科技股份有限公司 | System and method for detecting guide voltage of direct-current charging gun of electric vehicle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 266000 Shandong Province, Qingdao city Laoshan District Songling Road No. 336 Co-patentee after: QINGDAO TGOOD ELECTRIC Co.,Ltd. Patentee after: Telai New Energy Co.,Ltd. Address before: 266111 No. 826-29 East China Road, hi tech Zone, Shandong, Qingdao Co-patentee before: QINGDAO TGOOD ELECTRIC Co.,Ltd. Patentee before: QINGDAO TELD NEW ENERGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191217 Address after: Room 1001, 10 / F, No. 336, Songling Road, Laoshan District, Qingdao City, Shandong Province Patentee after: Qingdao teltel New Energy Technology Co.,Ltd. Address before: 266000 Shandong Province, Qingdao city Laoshan District Songling Road No. 336 Co-patentee before: QINGDAO TGOOD ELECTRIC Co.,Ltd. Patentee before: Telai New Energy Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180525 Effective date of abandoning: 20230613 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180525 Effective date of abandoning: 20230613 |