CN208078698U - The security control circuit of the High voltage output charger of battery can be waken up - Google Patents
The security control circuit of the High voltage output charger of battery can be waken up Download PDFInfo
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- CN208078698U CN208078698U CN201820555753.2U CN201820555753U CN208078698U CN 208078698 U CN208078698 U CN 208078698U CN 201820555753 U CN201820555753 U CN 201820555753U CN 208078698 U CN208078698 U CN 208078698U
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Abstract
The utility model discloses a kind of security control circuits for the High voltage output charger that can wake up battery, it includes second switch, inductance, integrated chip etc., second switch and the first Diode series, one end of first diode is connected with ten No. two pins of the first transformer, the ride on Bus No. 11 pin of first transformer is connected with first resistor, first capacitance and the first transformers connected in parallel, first resistor is connected with first switch, second capacitance is in parallel with the first capacitance, third diode is connected with second switch, third diode is in parallel with second resistance, the drain electrode of first triode is connected with third diode, the source electrode of second diode is connected with the first triode, No. ten pins of the second transformer are connected with the second diode, third capacitance and the second transformers connected in parallel, the grid of second diode is connected with one end of the 6th resistance.
Description
Technical field
The utility model is related to a kind of security control circuits, are filled more particularly to a kind of High voltage output that can wake up battery
The security control circuit of electric appliance.
Background technology
The voltage of current power battery is higher and higher, and charger safety requires to be increasingly stringenter, and when missed electric pond, port is deposited
Voltage may be can't detect in the battery port of the state that human body can simulate, dormant state, or high voltage is needed to carry out pair
Battery wake actions, high-voltage charging, may cause safety problem rashly.Or other circuits directly export high voltage, energy
Battery is plugged in, but output end high voltage generates danger to human body；Without directly exporting, can not effectively judge
Whether its battery really accesses, without charging after causing battery to be connected with charger；For the battery that activates of needs without
Method charges.
Invention content
The technical problem to be solved by the utility model is to provide a kind of High voltage output chargers that can wake up battery
Security control circuit absolutely not has High voltage output in no access battery；For the battery of long-term suspend mode, adopt first
With precharge, make its activation, then detect battery and be truly present, then carries out high-voltage charging.
The utility model is to solve above-mentioned technical problem by following technical proposals：A kind of height that can wake up battery
Pressure output charger security control circuit, which is characterized in that it include the first transformer, the second transformer, the first diode,
Second diode, third diode, the 4th diode, the 5th diode, first resistor, second resistance, 3rd resistor, the 4th electricity
Resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the first triode, the two or three pole
Pipe, third transistor, the 4th triode, the first capacitance, the second capacitance, third capacitance, first switch, second switch, inductance, collection
At chip, second switch and the first Diode series, one end of the first diode are connected with ten No. two pins of the first transformer,
The ride on Bus No. 11 pin of first transformer is connected with first resistor, the first capacitance and the first transformers connected in parallel, first resistor and first
Switch series connection, the second capacitance is in parallel with the first capacitance, and third diode is connected with second switch, third diode and second resistance
The drain electrode of parallel connection, the first triode is connected with third diode, and the source electrode of the second diode is connected with the first triode, and second becomes
No. ten pins of depressor are connected with the second diode, third capacitance and the second transformers connected in parallel, the grid of the second diode and
One end of six resistance is connected, and the other end of the 6th resistance is connected with No. four pins of integrated chip, the No.1 pin of integrated chip
It is connected with the base stage of third transistor, No. two pins of integrated chip are connected with one end of the 4th resistance, No. three of integrated chip
Pin is connected with one end of the 7th resistance, and the 7th resistance is connected with the tenth resistance, and the 4th resistance is connected with the 8th resistance, and the three or three
The collector of pole pipe is connected with 3rd resistor, 3rd resistor and the 5th Diode series, the 5th diode and inductance in parallel, and the 4th
Resistance and the 5th Diode series, inductance are connected with the collector of the second triode, the emitter of the second triode and the 5th electricity
One end of resistance is connected, and the other end of the 5th resistance is connected with the collector of the 4th triode, the base stage and the 9th of the 4th triode
Resistance is connected.
Preferably, first triode is field-effect tube.
Preferably, first capacitance, the second capacitance, third capacitance are electrolytic capacitor.
Preferably, the first switch, second switch are relay switch.
The positive effect of the utility model is：The security control line of the High voltage output charger of battery can be waken up
Road absolutely not has High voltage output in no access battery；For the battery of long-term suspend mode, first using precharge, make it
Activation, then detects battery and is truly present, and then carries out high-voltage charging, improves safety.
Description of the drawings
Fig. 1 is the circuit diagram of the utility model.
Specific implementation mode
The utility model preferred embodiment is provided below in conjunction with the accompanying drawings, the technical solution of the utility model is described in detail.
As shown in Figure 1, the security control circuit that the utility model can wake up the High voltage output charger of battery includes the
One transformer T1, the second transformer T2, the first diode D1, the second diode D2, third diode D3, the 4th diode D4,
5th diode D5, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance
R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the first triode Q1, the second triode Q2,
Three triode Q3, the 4th triode Q4, the first capacitance C1, the second capacitance C2, third capacitance C3, first switch KIB, second switch
KIC, inductance KIA, integrated chip MCU, second switch KIC connect with the first diode D1, one end of the first diode D1 and the
Ten No. two pins of one transformer T1 are connected, and the ride on Bus No. 11 pin of the first transformer T1 is connected with first resistor R1, the first capacitance
C1 is in parallel with the first transformer T1, and first resistor R1 connects with first switch KIB, and the second capacitance C2 is in parallel with the first capacitance C1,
Third diode D3 connects with second switch KIC, and third diode D3 is in parallel with second resistance R2, the drain electrode of the first triode Q1
It is connected with third diode D3, the source electrode of the second diode D2 is connected with the first triode Q1, and No. ten of the second transformer T2 are drawn
Foot is connected with the second diode D2, and third capacitance C3 is in parallel with the second transformer T2, the grid of the second diode D2 and the 6th electricity
The one end for hindering R6 is connected, and the other end of the 6th resistance R6 is connected with No. four pins of integrated chip MCU, and the one of integrated chip MCU
Number pin is connected with the base stage of third transistor Q3, and No. two pins of integrated chip MCU are connected with one end of the 4th resistance R4, collection
It is connected with one end of the 7th resistance R7 at No. three pins of chip MCU, the 7th resistance R7 connects with the tenth resistance R10, the 4th electricity
Resistance R4 connects with the 8th resistance R8, and the collector of third transistor Q3 is connected with 3rd resistor R3,3rd resistor R3 and the five or two
Pole pipe D5 series connection, the 5th diode D5 is in parallel with inductance KIA, and the 4th resistance R4 connects with the 5th diode D5, inductance KIA and the
The collector of two triode Q2 is connected, and the emitter of the second triode Q2 is connected with one end of the 5th resistance R5, the 5th resistance R5
The other end be connected with the collector of the 4th triode Q4, the base stage of the 4th triode Q4 is connected with the 9th resistance R9.Integrated core
The model of piece MCU can be W77E058A40PL, reduce cost in this way.
First triode Q1 is field-effect tube, this field-effect tube is the switching tube of low pressure precharge, controls whether to carry out pre-
Charging.
First capacitance C1, the second capacitance C2, third capacitance C3 are electrolytic capacitor, and the first capacitance C11 is high-pressure side output
Filter capacitor, this road high voltage power battery provide main energy sources source；Second capacitance C2 is the filter capacitor of output end；Third electricity
Hold the energy sources that C3 is low pressure precharge, it is therefore an objective to the activation of precharge and battery suspend mode.
First switch KIB, second switch KIC be relay switch, relay in order to control whether the switch of high-voltage charging, it is right
Its effective control is this circuit key.
The operation principle of the utility model is as follows：Positive and negative terminal is respectively opened by relay switch first on charger output loop
It closes, second switch, the first capacitance is the high voltage power supply feeder ear of charger, and B+, B- are charger output end, and the second capacitance is electricity
Pond end charge port capacitance, third capacitance are the low-tension supply feeder ear of charger, after charger and battery connection, charger inspection
It measures output voltage B+, V and takes electricity from B+, as the necessary condition that relay is opened, while integrated chip exports high level, relay
Device is open-minded, starts to charge up, and when battery is in a dormant state or when battery port can't detect voltage, integrated chip exports the period
Property low and high level when the first triode turns off, after detecting B+ voltages, then controls the second capacitor charging of battery port capacitance
Integrated chip processed exports high level, and V takes electricity from B+, and as the necessary condition that relay is opened, while integrated chip goes out high level,
Relay is open-minded, after carrying out wake actions, starts to charge up, after charger and battery-end disconnection, due to that can touch charging
Device connector, relay have to be off, and as seen from the figure, integrated chip does not have electric current, immediately turn off relay, output end is without height
Pressure, to achieve the effect that meet safety, which first uses low pressure low current to battery port capacitor charging, while detecting port
Voltage, determines whether battery can be electrically charged, and after judgement, then opens relay, carries out wake actions, and carry out safe charging.
Particular embodiments described above, the technical issues of to the solution of the utility model, technical solution and advantageous effect
It has been further described, it should be understood that the foregoing is merely specific embodiment of the utility model, not
For limiting the utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of security control circuit for the High voltage output charger that can wake up battery, which is characterized in that it includes the first change
Depressor, the second transformer, the first diode, the second diode, third diode, the 4th diode, the 5th diode, the first electricity
Resistance, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance,
Ten resistance, the first triode, the second triode, third transistor, the 4th triode, the first capacitance, the second capacitance, third electricity
Appearance, first switch, second switch, inductance, integrated chip, second switch and the first Diode series, one end of the first diode
Be connected with ten No. two pins of the first transformer, the ride on Bus No. 11 pin of the first transformer is connected with first resistor, the first capacitance with
First transformers connected in parallel, first resistor are connected with first switch, and the second capacitance is in parallel with the first capacitance, third diode and second
Switch series connection, third diode is in parallel with second resistance, and the drain electrode of the first triode is connected with third diode, the second diode
Source electrode be connected with the first triode, No. ten pins of the second transformer are connected with the second diode, third capacitance and second become
Depressor is in parallel, and the grid of the second diode is connected with one end of the 6th resistance, the other end of the 6th resistance and the four of integrated chip
Number pin is connected, and the No.1 pin of integrated chip is connected with the base stage of third transistor, No. two pins of integrated chip and the 4th
One end of resistance is connected, and No. three pins of integrated chip are connected with one end of the 7th resistance, and the 7th resistance is connected with the tenth resistance,
4th resistance is connected with the 8th resistance, and the collector of third transistor is connected with 3rd resistor, 3rd resistor and the 5th diode
Series connection, the 5th diode and inductance in parallel, the 4th resistance and the 5th Diode series, the collector phase of inductance and the second triode
Even, the emitter of the second triode is connected with one end of the 5th resistance, the current collection of the other end and the 4th triode of the 5th resistance
Extremely it is connected, the base stage of the 4th triode is connected with the 9th resistance.
2. the security control circuit of the High voltage output charger of battery can be waken up as described in claim 1, which is characterized in that
First triode is field-effect tube.
3. the security control circuit of the High voltage output charger of battery can be waken up as described in claim 1, which is characterized in that
First capacitance, the second capacitance, third capacitance are electrolytic capacitor.
4. the security control circuit of the High voltage output charger of battery can be waken up as described in claim 1, which is characterized in that
The first switch, second switch are relay switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820555753.2U CN208078698U (en) | 2018-04-19 | 2018-04-19 | The security control circuit of the High voltage output charger of battery can be waken up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820555753.2U CN208078698U (en) | 2018-04-19 | 2018-04-19 | The security control circuit of the High voltage output charger of battery can be waken up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208078698U true CN208078698U (en) | 2018-11-09 |
Family
ID=64044078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820555753.2U Active CN208078698U (en) | 2018-04-19 | 2018-04-19 | The security control circuit of the High voltage output charger of battery can be waken up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208078698U (en) |
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2018
- 2018-04-19 CN CN201820555753.2U patent/CN208078698U/en active Active
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