CN209402205U - Realize that the electric car charging gun cable tightly stopped controls box by patting - Google Patents
Realize that the electric car charging gun cable tightly stopped controls box by patting Download PDFInfo
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- CN209402205U CN209402205U CN201920250340.8U CN201920250340U CN209402205U CN 209402205 U CN209402205 U CN 209402205U CN 201920250340 U CN201920250340 U CN 201920250340U CN 209402205 U CN209402205 U CN 209402205U
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- electric car
- patting
- switch
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Abstract
Realize that the electric car charging gun cable tightly stopped controls box by patting the utility model discloses a kind of, shell including waterproof, it is arranged in the intracorporal control circuit board of shell, the cable control box achievees the purpose that electric car is charged and stopped by controlling the connecting and disconnecting of firewire and zero curve, and circuit includes relay K1, relay K2, single-chip microcontroller, the accessory power supply powered for each power unit；It further include a vibration switch and a relay on-off control circuit；The utility model solves in the prior art, when user needs manual operation to realize emergency stop function during charging, must on shell aperture fluting setting button or switch technological deficiency, this defect is that the waterproof of shell has some impact on, and the utility model is not necessarily to aperture or fluting setting switch on shell, the method that shell can be achieved with emergent stopping is patted or tapped merely by hand, and waterproof is easy, low in cost.
Description
Technical field
The utility model relates to a kind of automobile charging gun cable control box more particularly to a kind of realize and tightly stop by patting
Electric car charging gun cable controls box.
Background technique
Box is controlled on the cable of electric car charging gun, and it is real for can be described as IC-CPD or cable control box, major function
Now to the Detection & Controling of electric car charging.AC220V alternating current needs to control box by cable and realizes to electric car charging
Control.
Currently, industry mainstream cable control kit function is: control charging is opened, full of pass, overvoltage protection, overcurrent protection, leakage
Electric protection etc..There is no any operation button on cable control box, once plugging in, cable control box begins to detect automatically
With work, it is automatically closed after being full of.But in certain special occasions, user wishes being capable of manual operation during charging
Realize emergent stopping.Common practice is to increase an emergency stop switch on cable control box, by triggering or pressing out
It closes, realizes and stop charging.There are the increase of many drawbacks, such as product cost, Yi Jishe by the way of emergency stop switch
After setting switch, due to having opened switch hole on control box, waterproof difficulty is increased.
In addition, controlling circuit in box on the cable of electric car charging gun belongs to common knowledge, such as the patent No.
201711018224.5 patent name are as follows: control the patent of box short-circuit protection circuit on charging gun cable.
Summary of the invention
The purpose of this utility model is that providing one kind solves the above problems, and pats simply by hand or percussion is
Emergent stopping can be achieved, and low in cost, waterproof readily passes through the electric car charging gun cable control for patting and realizing and tightly stopping
Box.
To achieve the goals above, the technical solution adopted in the utility model is such that a kind of tight by patting realization
The electric car charging gun cable control box stopped, the shell including waterproof are arranged in the intracorporal control circuit board of shell, the control
Circuit board include firewire and zero curve arranged side by side, relay K1, relay K2, single-chip microcontroller, for each power unit power supply it is auxiliary
Help power supply；
The relay K1 is arranged on firewire, and relay K2 is arranged on zero curve；
It further include a vibration switch and a relay on-off control circuit；
A vibration switch is additionally provided in the shell,
The vibration switch is the mechanically or electrically sub switch for including two electrodes, and two electrodes are respectively connected to a pin, two pins
Mutually insulated, and two electrodes with pin can be made to be briefly turned on because of vibration；
One pin of the vibration switch connects the ground terminal of accessory power supply, and a pin is divided into three tunnels, connects single-chip microcontroller all the way
The first I/O mouthfuls, connect accessory power supply anode through first resistor R1 all the way, be grounded all the way through capacitor C1；
The relay on-off control circuit input terminal connects I/O mouthful of single-chip microcontroller the 2nd, output end connect relay K1 with
Relay K2；
The single-chip microcontroller be used for according to the first I/O mouthful level, control the 2nd I/O mouthfuls of level, the relay on-off
Control circuit be used for according to the 2nd I/O mouthful level control two relays on-off.
As preferred: the vibration switch is miniature shock switch, wherein it is in circular metal shell that an electrode, which is electrode,
Another electrode of wall is metallic conduction spring, and two electrodes are drawn through two pins respectively.
As preferred: the auxiliary circuit is transformer or Switching Power Supply, then includes an armature winding if transformer
With two secondary windings, the armature winding connection firewire and zero curve, secondary windings is for exporting 5V and 12V voltage；Wherein, after
Electric appliance K1, relay K2 connection 12V voltage, single-chip microcontroller, vibration switch connect 5V voltage.
As preferred: the relay on-off control circuit includes triode Q1, triode Q2, and triode Q1 collector connects
Relay K1, emitter ground connection, base stage connect the 2nd I/O mouthfuls of single-chip microcontroller through second resistance R2, and the triode Q2 collector connects
Relay K2, emitter ground connection, base stage connect the 2nd I/O mouthfuls of single-chip microcontroller through 3rd resistor R3.
As preferred: the first resistor R1 is 1M Ω, and capacitor C1 is 1uF, and second resistance R2,3rd resistor R3 are 8.2K
Ω。
As preferred: the vibration switch setting contacts on the inner wall of the housing and with inner wall.
Compared with the prior art, the advantages of the utility model are: solving in the prior art, process of the user in charging
In can manual operation realize emergency stop function when, it is necessary on shell aperture fluting setting button or switch technology lack
It falls into, this defect is that the waterproof of shell has some impact on, and the utility model is not necessarily to aperture or fluting setting on shell and opens
It closes, merely by the method that hand " beating " or " percussion " cable control box shell can be achieved with emergent stopping, waterproof is easy.
The increased beating emergency stop function of the utility model, it is only necessary to increase by 3 on original cable control box circuit board
A element: vibration switch, first resistor R1, capacitor C1 increase cost and are no more than 0.5 yuan.It is of simple structure and low cost.
Detailed description of the invention
Fig. 1 is the utility model circuit diagram.
Fig. 2 is the waveform diagram of PA4 input terminal in embodiment 1.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
Embodiment 1: a kind of to realize that the electric car charging gun cable tightly stopped controls box by patting including anti-referring to Fig. 1
The shell of water is arranged in the intracorporal control circuit board of shell, and the control circuit board includes firewire and zero curve arranged side by side, relay
Device K1, relay K2, single-chip microcontroller, the accessory power supply powered for each power unit；The relay K1 is arranged on firewire, relay
Device K2 is arranged on zero curve；
Further include a vibration switch and a relay on-off control circuit, be additionally provided with a vibration switch in the shell,
The vibration switch is the mechanically or electrically sub switch for including two electrodes, and two electrodes are respectively connected to a pin, two pins
Mutually insulated, and two electrodes with pin can be made to be briefly turned on because of vibration；
One pin of the vibration switch connects the ground terminal of accessory power supply, and a pin is divided into three tunnels, connects single-chip microcontroller all the way
The first I/O mouthfuls, connect accessory power supply anode through first resistor R1 all the way, be grounded all the way through capacitor C1；
The relay on-off control circuit input terminal connects I/O mouthful of single-chip microcontroller the 2nd, output end connect relay K1 with
Relay K2；
The single-chip microcontroller be used for according to the first I/O mouthful level, control the 2nd I/O mouthfuls of level, the relay on-off
Control circuit be used for according to the 2nd I/O mouthful level control two relays on-off.
It is only merely to increase by 3 elements: vibration switch, first resistor R1, capacitor C1 increase cost in the utility model
No more than 0.5 yuan.
Embodiment 2: referring to Fig. 1 and Fig. 2, in the present embodiment: the vibration switch is miniature shock switch, wherein an electrode
It is circular metal outer casing inner wall another electrode for electrode is metallic conduction spring, two electrodes are drawn through two pins respectively；It is described
Auxiliary circuit is transformer or Switching Power Supply, if transformer, then described first including an armature winding and two secondary windings
Grade winding connection firewire and zero curve, secondary windings is for exporting 5V and 12V voltage；Wherein, relay K1, relay K2 connection
12V voltage, single-chip microcontroller, vibration switch connect 5V voltage；The relay on-off control circuit includes triode Q1, triode
Q2, triode Q1 collector connecting relay K1, emitter ground connection, base stage meet the 2nd I/O mouthfuls of single-chip microcontroller, institute through second resistance R2
State triode Q2 collector connecting relay K2, emitter ground connection, base stage connects the 2nd I/O mouthfuls of single-chip microcontroller through 3rd resistor R3；
The first resistor R1 is 1M Ω, and capacitor C1 is 1uF, and second resistance R2,3rd resistor R3 are 8.2K Ω；The vibration switch is set
It sets on the inner wall of the housing and is contacted with inner wall.
Remaining is same as Example 1.
In order to preferably describe, in embodiment 2, we set single-chip microcontroller IC1 as HT66F019, the first I/O mouthfuls 16 draw for it
PA4 mouth in foot, that is, Fig. 1, the second I/O port are its 18 pin, that is, the PB1 mouth in Fig. 1.Provided of course that being to be able to achieve
The I/O mouth of output input low and high level, not only limits and 16 pins and 18 pins.
Its working principle: vibration switch design controls on control circuit i.e. circuit board in box in cable, cable control
Box circuit board processed is in the shell of waterproof.After cable control box powers on, circuit voltage 5V passes through first resistor
R1 charges to capacitor C1, and after capacitor C1 is fully charged, Vce is logic high, i.e. the 16 foot PA4 input terminals of single-chip microcontroller IC1 are to patrol
Collect high level.18 feet of single-chip microcontroller IC1, that is, PB1 output signal CTR1 by the elements such as R2, R3 control relay K1, K2 it is logical,
It is disconnected, to realize the unlatching and stopping of charging.When CTR1 is high level, relay K1, K2 are connected, and initially enter charged state.
By the programming to single-chip microcontroller IC1, the control of the detection and charging, stopping to various states is realized.Into charging
After state, when it is desirable that cable control box realizes emergent stopping charging, as long as controlling the outer of box with light " beating " cable of hand
Shell, vibration caused by " beating " are transmitted to vibration switch by circuit board, shake and shake after the spring stress inside vibration switch
Pendulum touches on metal shell, leads to spring and outer casing inner wall short circuit, thus two pin short circuits of vibration switch, by capacitor C1
Short circuit dischange, Vce become logic low.Single-chip microcontroller detect signal Vce i.e. PA4 input terminal be logic low after, by PB1
Output signal CTR1 becomes low level, to close relay K1, K2, stops charging.The purpose of resistance R1 and capacitor C1 is to improve
Anti-interference ability, the charging at a slow speed by R1 to C1, repid discharge of the vibration switch to capacitor C1, by vibration switch inner spring
Moment repeatedly shakes contact and is converted to a low level pulse, adjusts the value of R1C1 appropriate, is produced with reaching primary " beating "
The effect of a raw low level pulse.The multiple shaking of primary " beating " can certainly be contacted by the programming to single-chip microcontroller
It is identified as once-through operation.
Herein, we can also preferably optimize the program, programmed method belongs to existing skill by simply programming
Art, such as:
We can need the programming to single-chip microcontroller IC1 according to user, it is assumed that need to be patted shell 1 time, 2 times or 3 with hand
It is secondary just stop charging, then monitored by programming PA4 input terminal be logic low 1 time, 2 times or 3 times after, just PB1 is exported
Signal CTR1 becomes low level, to close relay K1, K2, stops charging.
The waveform diagram for monitoring PA4 input terminal is given for details, reference can be made to Fig. 2, Fig. 2.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of realize that the electric car charging gun cable tightly stopped controls box by patting, the shell including waterproof is arranged in shell
Intracorporal control circuit board, the control circuit board include firewire and zero curve arranged side by side, relay K1, relay K2, list
Piece machine, the accessory power supply powered for each power unit；
The relay K1 is arranged on firewire, and relay K2 is arranged on zero curve；
It is characterized by also including a vibration switch and a relay on-off control circuit；
A vibration switch is additionally provided in the shell,
The vibration switch is the mechanically or electrically sub switch for including two electrodes, and two electrodes are respectively connected to a pin, and two pins are mutual
Insulation, and two electrodes with pin can be made to be briefly turned on because of vibration；
One pin of the vibration switch connects the ground terminal of accessory power supply, and a pin is divided into three tunnels, connects the of single-chip microcontroller all the way
One I/O mouthfuls, accessory power supply anode is connect through first resistor R1 all the way, is grounded all the way through capacitor C1；
The relay on-off control circuit input terminal connects I/O mouthfuls of single-chip microcontroller the 2nd, and output end connects relay K1 and relay
Device K2；
The single-chip microcontroller be used for according to the first I/O mouthful level, the 2nd I/O mouthfuls of level of control, the relay on-off controls
Circuit be used for according to the 2nd I/O mouthful level control two relays on-off.
2. according to claim 1 realize that the electric car charging gun cable tightly stopped controls box by patting, feature exists
In: the vibration switch be miniature shock switch, wherein it is that circular metal outer casing inner wall another electrode is that an electrode, which is electrode,
Metallic conduction spring, two electrodes are drawn through two pins respectively.
3. according to claim 1 realize that the electric car charging gun cable tightly stopped controls box by patting, feature exists
In: the accessory power supply be transformer or Switching Power Supply, if transformer, then include an armature winding and two secondary around
Group, the armature winding connection firewire and zero curve, secondary windings is for exporting 5V and 12V voltage；Wherein, relay K1, relay
Device K2 connection 12V voltage, single-chip microcontroller, vibration switch connect 5V voltage.
4. according to claim 3 realize that the electric car charging gun cable tightly stopped controls box by patting, feature exists
In: the first resistor R1 is 1M Ω, and capacitor C1 is 1uF, and second resistance R2,3rd resistor R3 are 8.2K Ω.
5. according to claim 1 realize that the electric car charging gun cable tightly stopped controls box by patting, feature exists
In: the vibration switch setting contacts on the inner wall of the housing and with inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250340.8U CN209402205U (en) | 2019-02-28 | 2019-02-28 | Realize that the electric car charging gun cable tightly stopped controls box by patting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920250340.8U CN209402205U (en) | 2019-02-28 | 2019-02-28 | Realize that the electric car charging gun cable tightly stopped controls box by patting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209402205U true CN209402205U (en) | 2019-09-17 |
Family
ID=67899554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920250340.8U Active CN209402205U (en) | 2019-02-28 | 2019-02-28 | Realize that the electric car charging gun cable tightly stopped controls box by patting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209402205U (en) |
-
2019
- 2019-02-28 CN CN201920250340.8U patent/CN209402205U/en active Active
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