CN209001611U - The battery pack of signaling switch control detects control circuit - Google Patents
The battery pack of signaling switch control detects control circuit Download PDFInfo
- Publication number
- CN209001611U CN209001611U CN201821591049.9U CN201821591049U CN209001611U CN 209001611 U CN209001611 U CN 209001611U CN 201821591049 U CN201821591049 U CN 201821591049U CN 209001611 U CN209001611 U CN 209001611U
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- circuit
- battery pack
- resistance
- connection
- signaling switch
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The battery pack controlled the utility model relates to electronic technology field more particularly to signaling switch detects control circuit, comprising: charging circuit connects the output end of battery pack；Discharge circuit connects the output end of charging circuit；Switching circuit connects the output end of charging circuit；Signal output apparatus, the output end of connection switch circuit and signaling switch；Control circuit, input terminal connection signal output circuit, output end connect driving circuit.The utility model, following effect may be implemented: in the case where signaling switch is first opened and battery pack is inserted into, machine does not work, it avoids since signaling switch is accidentally opened, start machine suddenly in insertion battery pack, security risk is brought to user, and in the case where being first inserted into battery pack and opened after signaling switch, machine works normally；Repid discharge is realized by the diode D1 in discharge circuit, realizes that multiple quickly plug and unplug of battery pack does not still influence circuit work.
Description
Technical field
The battery pack controlled the utility model relates to electronic technology field more particularly to signaling switch detects control circuit.
Background technique
In terms of gardens, electric tool, for lithium battery by feat of it in all many-sided brilliant performances, utilization is more and more wider
It is general.Signaling switch is due to cost advantage, and utilization rate constantly rises in the control of lithium electricity product.When signaling switch is due to maloperation
Or other reasons are inserted directly into battery pack when closing, driving circuit will start machine operation, can bring safety hidden to user
Suffer from.
Utility model content
To solve the above problems, the utility model proposes the battery packs of signaling switch control to detect control circuit, to realize
In the case where being closed only after battery pack is first inserted into signaling switch, driving circuit could work.
The battery pack of signaling switch control detects control circuit, and the signaling switch is connect with battery pack, the detection control
Circuit processed includes:
Charging circuit connects the output end of battery pack, for being charged by battery pack output；
Discharge circuit connects charging circuit, the electric discharge for charging circuit；
Switching circuit connects charging circuit, when charging circuit charging, switching circuit conducting, and when charging circuit saturation,
Switching circuit disconnects；
Signal output apparatus, the output end of connection switch circuit and signaling switch；
Control circuit, input terminal connection signal output circuit, output end connects driving circuit, for controlling driving circuit
Work.
Preferably, the charging circuit includes capacitor C1, and one end of the capacitor C1 connects the cathode of battery pack and connects
Ground, the other end connect discharge circuit.
Preferably, the discharge circuit includes diode D1, the output of the anode connection charging circuit of the diode D1
End, the other end connect the anode of battery pack.
Preferably, the switching circuit includes triode Q1, resistance R1, R2 and diode D2, the triode Q1's
Base stage connects one end of resistance R1 and one end of resistance R2, the anode of the other end connection battery pack of the resistance R1, the electricity
The anode of the other end connection diode D2 of resistance R2, the output end of the cathode connection charging circuit of the diode D2, described three
The collector connection signal output circuit of pole pipe Q1, the anode of the emitter connection battery pack of the triode.
Preferably, the signal output apparatus includes resistance R3, R4, triode Q2, resistance R5, the base of the triode Q2
Pole connects one end of resistance R3 and one end of resistance R4, and the output end of the other end connection switch circuit of the resistance R3 is described
The other end of resistance R4 is grounded, one end of the collector connection resistance R5 of the triode Q2 and the input terminal of control circuit,
The output end of the other end connection signal switch of the resistance R5, the emitter ground connection of the triode Q2.
By using the utility model, following effect may be implemented:
In the case where signaling switch is first opened and battery pack is inserted into, machine does not work, and avoids due to signaling switch
It accidentally opens, starts machine suddenly in insertion battery pack, security risk is brought to user, and be first inserted into and signal in battery pack
In the case where opening after switch, machine is worked normally；
Repid discharge is realized by the diode D1 in discharge circuit, realizes that the multiple of battery pack quickly plugs and unplugs still not
Influence circuit work.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the circuit diagram of the utility model embodiment.
Specific embodiment
Below in conjunction with attached drawing, the technical solution of the utility model is further described, but the utility model and unlimited
In these embodiments.
Specific embodiment of the present utility model is as shown in Figure 1, the battery pack of signaling switch control detects control circuit, letter
Number switch is connect with battery pack, which includes:
Charging circuit connects the output end of battery pack, for being charged by battery pack output；
Discharge circuit connects charging circuit, the electric discharge for charging circuit；
Switching circuit connects charging circuit, when charging circuit charging, switching circuit conducting, and when charging circuit saturation,
Switching circuit disconnects；
Signal output apparatus, the output end of connection switch circuit and signaling switch；
Control circuit, input terminal connection signal output circuit, output end connect driving circuit, for receiving signal output
The output signal of circuit, and it is converted into the different control signal of driving circuit.
In the case where signaling switch is first closed and battery pack is not inserted into, control circuit does not have power input, therefore can not
Signal is received, if battery pack is inserted at this time, battery pack charges to charging circuit, and switching circuit is connected at this time, signal output electricity
Road exports low level signal, and when charging circuit saturation, switching circuit is disconnected, and signal output apparatus exports high level signal.
It is not closed in signaling switch and in the case that battery pack is first inserted into, since signaling switch does not turn on, so control electricity
Road does not work, and can not receive signal, and battery pack charges to charging circuit at this time, the closure signal after battery pack insertion
Switch, at this time since charging circuit has completed charging process, so the signal that control circuit one directly receives all is high level
Signal.
According to above-mentioned two situations it is found that being closed before battery pack is inserted into and being closed after battery pack insertion in signaling switch
When, the signal that control circuit receives is different.If control circuit upon initialization, is firstly received low level letter
Number, high level signal is then received, then exports control signal control drive circuit and does not work；If control circuit is in initialization
Afterwards, low level signal is not received, but always is high level signal, then exports control signal control drive circuit work,
Driving circuit driving motor works at this time.
Fig. 2 is the circuit diagram of the utility model embodiment, is illustrated below with reference to Fig. 2 to each section circuit.
Charging circuit includes capacitor C1, and the cathode of one end connection battery pack of capacitor C1 and ground connection, other end connection are put
Circuit.
Discharge circuit includes diode D1, the output end of the anode connection charging circuit of diode D1, other end connection electricity
The anode of Chi Bao.
Switching circuit includes triode Q1, resistance R1, R2 and diode D2, and the base stage of triode Q1 connects resistance R1's
One end of one end and resistance R2, the anode of the other end connection battery pack of resistance R1, the other end of resistance R2 connect diode D2
Anode, diode D2 cathode connection charging circuit output end, the collector connection signal output circuit of triode Q1, three
The anode of the emitter connection battery pack of pole pipe.
In the present embodiment, signal output apparatus includes resistance R3, R4, triode Q2, resistance R5, the base stage of triode Q2
One end of resistance R3 and one end of resistance R4 are connected, the output end of the other end connection switch circuit of resistance R3, resistance R4's is another
One end ground connection, one end of the collector connection resistance R5 of triode Q2 and the input terminal of control circuit, the other end of resistance R5
The output end of connection signal switch S, the emitter ground connection of triode Q2.
Control circuit includes main control MCU, the input terminal connection signal output circuit of main control MCU, output end connection driving electricity
Road.
When signaling switch S is first closed and is inserted into battery pack, electric current flows through emitter-base stage of triode Q1 by resistance
R2, diode D2 charge to capacitor C1, and the emitter of triode Q1-collector conducting, electric current flow through the hair of triode Q1 at this time
The base-emitter of emitter-collector, resistance R2, triode Q2, the at this time collector of triode Q2-emitter conducting, signal
The output end Sout of output circuit exports low level signal, and low level signal is input to main control MCU；When capacitor C1 is full of, do not have
There is electric current to flow through emitter-base stage of triode Q1, triode Q1 is in off state at this time, and emitter-collector is not turned on,
And the base-emitter of triode Q2 is flowed through without electric current, triode Q2 is in off state at this time, and collector-emitter is not
The output end Sout of conducting, signal output apparatus exports high level signal by pull-up resistor R5, and high level signal is input to master
It controls MCU to turn, if can be realized pull-up inside main control MCU, can be omitted resistance R5 in the present embodiment.At this point, main control MCU
First receive low level signal, after receive high level signal, main control MCU is controlled according to the signal output control signal received
Driving circuit does not work, and driving motor does not work driving circuit at this time.Resistance R1 is when having leakage current after preventing capacitor C1 to be full of
Can not turn-on transistor Q1, capacitor R4 is also to play the same role.When battery pack is extracted, under signaling switch S output voltage
Drop, diode D1 can be connected at this time, the electricity meeting quick release of capacitor C1, during battery pack is quickly plugged and unplugged, still not
Influence work.
When battery pack is first inserted into again signaling switch S closure, above-mentioned charging process is completed in capacitor C1, in signaling switch
After S closure, MCU mono- directly receives high level signal, and MCU is according to the signal output control signal control drive circuit work received
Make, driving circuit driving motor works at this time.
Those skilled in the art of the present invention can do described specific embodiment various
The similar mode of modify or supplement or adopt substitutes, but without departing from the spirit of the present application or surmounts appended right and want
Seek range defined in book.
Claims (5)
1. the battery pack of signaling switch control detects control circuit, the signaling switch is connect with battery pack, which is characterized in that institute
Stating detection control circuit includes:
Charging circuit connects the output end of battery pack, for being charged by battery pack output；
Discharge circuit connects charging circuit, the electric discharge for charging circuit；
Switching circuit connects charging circuit, when charging circuit charging, switching circuit conducting, and when charging circuit saturation, switch
Circuit disconnects；
Signal output apparatus, the output end of connection switch circuit and signaling switch；
Control circuit, input terminal connection signal output circuit, output end connects driving circuit, for controlling the work of driving circuit
Make.
2. the battery pack of signaling switch control according to claim 1 detects control circuit, which is characterized in that the charging
Circuit includes capacitor C1, and the cathode and ground connection, the other end of one end connection battery pack of the capacitor C1 connect discharge circuit.
3. the battery pack of signaling switch control according to claim 1 detects control circuit, which is characterized in that the electric discharge
Circuit includes diode D1, and the output end of the anode connection charging circuit of the diode D1, the other end is connecting battery pack just
Pole.
4. the battery pack of signaling switch control according to claim 1 detects control circuit, which is characterized in that the switch
Circuit includes one end and the electricity of the base stage connection resistance R1 of triode Q1, resistance R1, R2 and diode D2, the triode Q1
One end of R2, the anode of the other end connection battery pack of the resistance R1 are hindered, the other end of the resistance R2 connects diode D2
Anode, the output end of the cathode connection charging circuit of the diode D2, the collector connection signal of the triode Q1 is defeated
Circuit out, the anode of the emitter connection battery pack of the triode.
5. the battery pack of signaling switch control according to claim 1 detects control circuit, which is characterized in that the signal
Output circuit includes one end and the electricity of the base stage connection resistance R3 of resistance R3, R4, triode Q2, resistance R5, the triode Q2
One end of R4 is hindered, the other end of the output end of the other end connection switch circuit of the resistance R3, the resistance R4 is grounded, described
One end of the collector connection resistance R5 of triode Q2 and the input terminal of control circuit, the other end of the resistance R5 connect letter
Number switch output end, the triode Q2 emitter ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821591049.9U CN209001611U (en) | 2018-09-28 | 2018-09-28 | The battery pack of signaling switch control detects control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821591049.9U CN209001611U (en) | 2018-09-28 | 2018-09-28 | The battery pack of signaling switch control detects control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209001611U true CN209001611U (en) | 2019-06-18 |
Family
ID=66802100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821591049.9U Active CN209001611U (en) | 2018-09-28 | 2018-09-28 | The battery pack of signaling switch control detects control circuit |
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| CN (1) | CN209001611U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113676168A (en) * | 2021-07-15 | 2021-11-19 | 深圳拓邦股份有限公司 | Accidental start prevention circuit and electric appliance after power restoration |
| CN115800235A (en) * | 2021-09-09 | 2023-03-14 | 南京泉峰科技有限公司 | Starting protection circuit applied to electric tool and electric tool |
-
2018
- 2018-09-28 CN CN201821591049.9U patent/CN209001611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113676168A (en) * | 2021-07-15 | 2021-11-19 | 深圳拓邦股份有限公司 | Accidental start prevention circuit and electric appliance after power restoration |
| CN115800235A (en) * | 2021-09-09 | 2023-03-14 | 南京泉峰科技有限公司 | Starting protection circuit applied to electric tool and electric tool |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Battery pack detection control circuit controlled by signal switch Effective date of registration: 20220809 Granted publication date: 20190618 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiaxing branch Pledgor: ZHEJIANG TEKANG ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2022980012195 |