CN206807125U - A kind of primary switch control circuit for more battery bag hay movers - Google Patents
A kind of primary switch control circuit for more battery bag hay movers Download PDFInfo
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- CN206807125U CN206807125U CN201720309351.XU CN201720309351U CN206807125U CN 206807125 U CN206807125 U CN 206807125U CN 201720309351 U CN201720309351 U CN 201720309351U CN 206807125 U CN206807125 U CN 206807125U
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- battery bag
- control circuit
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Abstract
It the utility model is related to control circuit field, specifically a kind of primary switch control circuit for more battery bag hay movers.The utility model includes main switch, drive control circuit, the battery bag controlling switch module of quantity identical with battery bag and pre-charge circuit；One end of the pre-charge circuit and the positive pole of multiple battery bags connect one to one, the other end connection main switch of pre-charge circuit；Each battery bag controlling switch module is connected in parallel with a pre-charge circuit, and the control terminal of each battery bag controlling switch module connects the output of control all the way of the drive control circuit；The negative pole of the multiple battery bag is all connected with the power cathode of main switch and the drive control circuit；The main switch connects the positive source of the drive control circuit.
Description
Technical field
It the utility model is related to control circuit field, specifically a kind of main switch control for more battery bag hay movers
Circuit processed.
Background technology
In terms of electric tool, lithium battery in all many-sided remarkable performances, has obtained more and more extensive by feat of it
With.The one kind of power-operated mower as Landscape Greening Machines, in city park at an intersection, street greening band and family's garden etc.
It is commonly employed in the trimming in greenery patches, housekeeping.
The endurance of monocell bag hay mover is limited to, double cell hay mover is increasingly favored.Main flow at present
The main switch control of double cell bag hay mover is manual switching battery bag.During mowing, when a Battery pack bag electricity discharges
Afterwards, it is necessary to which user stops grass cutting action, being manually switched to after another set battery bag can just work on.This mode is in user
Come with some shortcomings in experience.Automatic switchover battery packet mode can automatically switch in addition after a Battery pack bag electricity discharges
One Battery pack bag, the operation extra without user.But the primary switch control circuit or blank of current automatic switching mode.
Utility model content
For in place of above shortcomings in the prior art, the technical problems to be solved in the utility model is to provide one kind
Primary switch control circuit for more battery bag hay movers.
Used technical scheme is the utility model to achieve the above object：A kind of master for more battery bag hay movers
ON-OFF control circuit, including the battery bag controlling switch module of main switch, drive control circuit, quantity identical with battery bag and pre-
Charging circuit；
One end of the pre-charge circuit and the positive pole of multiple battery bags connect one to one, the other end of pre-charge circuit
Connect main switch；
Each battery bag controlling switch module is connected in parallel with a pre-charge circuit, each battery bag controlling switch
The control terminal of module connects the control signal all the way of the drive control circuit；
The negative pole of the multiple battery bag is all connected with the power cathode of main switch and the drive control circuit；
The main switch connects the positive source of the drive control circuit.
The pre-charge circuit includes the clamp diode and current-limiting resistance of series connection.
The clamp diode is made up of multiple clamp diode parallel connections, and the current-limiting resistance is by multiple resistor coupled in parallel structures
Into.
The pre-charge circuit includes multiple parallel-connection structures, and each parallel-connection structure is electric for the clamp diode and current limliting of series connection
Resistance.
The main switch is any one of single-pole double-throw switch (SPDT), double-point double-throw switch.
The battery bag controlling switch module is any one of relay, MOSFET, triode, electronic switch.
The battery bag controlling switch module be several relays, MOSFET, triode or electronic switch and be coupled
Structure.
The drive control circuit includes MCU, voltage detecting circuit and several drive circuits；
The quantity of the drive circuit is identical with the quantity of the battery bag, is controlled for being exported according to MCU output signal
Signal processed, the control signal connect the control terminal of the battery bag controlling switch module；
The voltage detecting circuit includes two divider resistances and a mosfet transistor, one end of two divider resistances
Source electrode and the drain electrode of the mosfet transistor are connected respectively, and the other end connects positive source port and power cathode end respectively
Mouthful；The grid of the mosfet transistor connects an output end of the MCU, according to two points of the output control of the MCU
Piezoresistance is connected and disconnected from.
When the battery bag controlling switch module is relay, the control circuit includes triode, the first triode drives
Dynamic resistance, the second triode driving resistance and fly-wheel diode；
The base stage of the triode connects one end and second triode driving of the first triode driving resistance
One end of resistance, the power supply of the other end and the drive control circuit that emitter stage connects the second triode driving resistance are born
Pole, colelctor electrode connect coil one end of the relay；
The other end connection MCU of the first triode driving resistance；
The positive pole of the fly-wheel diode connects coil one end of the relay, and negative pole connects the coil of the relay
The other end.
When the battery bag controlling switch module is MOSFET, the control circuit includes the first driving resistance, the second drive
Dynamic resistance, triode, the first triode driving resistance and the second triode driving resistance；
The positive pole of one end connection battery bag and MOSFET source electrode of the first driving resistance, other end connection second are driven
The grid of dynamic resistance and MOSFET；
The other end of the second driving resistance connects the colelctor electrode of the triode；
The emitter stage of the triode connects power cathode and first triode driving of the drive control circuit
One end of resistance, base stage connects one end of the second triode driving resistance and first triode drives the another of resistance
End；
The other end of the second triode driving resistance connects the MCU.
The utility model has advantages below and beneficial effect：
1. primary switch control circuit, safety and reliability；
It is more convenient during use without operation bidirectional 2. automatic switchover battery packet mode；
3. being not limited solely to the switching of double cell bag, the switching of n Battery packs bag can be achieved.
Brief description of the drawings
Fig. 1 is overall structure block diagram of the present utility model；
Fig. 2 is the integrated circuit schematic diagram of the utility model one embodiment；
Fig. 3 is the first driving circuit structure figure when the first battery bag controlling switch module is relay；
Fig. 4 is the second driving circuit structure figure when the second battery bag controlling switch module is P-MOSFET.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to the utility model.
As shown in figure 1, a kind of primary switch control circuit for more battery bag hay movers, including main switch, drive control
Circuit, the battery bag controlling switch module of quantity identical with battery bag and pre-charge circuit；One end of the pre-charge circuit with
The positive pole of multiple battery bags connects one to one, the other end connection main switch of pre-charge circuit；Each battery bag control
Switch module is connected in parallel with a pre-charge circuit, the control terminal connection driving control of each battery bag controlling switch module
The output of control all the way of circuit processed；The negative pole of the multiple battery bag is all connected with the power supply of main switch and the drive control circuit
Negative pole；The main switch connects the positive source of the drive control circuit.
By taking double cell as an example, one embodiment of the present utility model is as shown in Figure 2.The control object of the present embodiment is two
It is individual：First battery bag (Battery Pack 1) and the second battery bag (Battery Pack 2).The embodiment includes：First
Pre-charge circuit (the clamp diode D1 and current-limiting resistance R1 of series connection), the second pre-charge circuit (clamp diode D2 of series connection
With current-limiting resistance R2), the first battery bag controlling switch module (S1), the second battery bag controlling switch module (S2), main switch
And drive control circuit (Controller) (S3).The positive pole of first battery bag connects the first pre-charge circuit and the first battery bag
One end of the parallel-connection structure of controlling switch module；The positive pole of second battery bag connects the second pre-charge circuit and the second battery bag control
One end of the parallel-connection structure of switch module processed.First pre-charge circuit and the parallel-connection structure of the first battery bag controlling switch module
The other end is connected with the other end of the second pre-charge circuit and the parallel-connection structure of the second battery bag controlling switch module, and connects master
No. 1 end of switch.No. 3 ends and drive control circuit of the negative pole of first battery bag and the negative pole of the second battery bag connection main switch
Negative pole.The positive pole of 2 and No. 4 end connection drive control circuits of main switch.The connection driving of first battery bag controlling switch module
The output of control all the way of control circuit；The another way control of second battery bag controlling switch module connection drive control circuit is defeated
Go out.
In first pre-charge circuit, clamp diode D1 represents multiple clamp diodes in parallel, and current-limiting resistance R1 is represented
Multiple resistance in parallel；Or, first pre-charge circuit include multiple parallel-connection structures, each parallel-connection structure for series connection the pole of clamper two
Pipe and current-limiting resistance.
Similarly, in the second pre-charge circuit, clamp diode D2 represents multiple clamp diodes in parallel, current-limiting resistance R2
Represent multiple resistance in parallel；Or, first pre-charge circuit include multiple parallel-connection structures, each parallel-connection structure for series connection clamper
Diode and current-limiting resistance.
Main switch S3 can be single-pole single-throw(SPST, single-pole double throw, the switch of DPDT formula.
The form of first battery bag controlling switch module and the second battery bag controlling switch module can be relay,
MOSFET, triode or any type of electronic switch.First battery bag controlling switch module can be that several are opened
The parallel-connection structure of pass.Second battery bag controlling switch module can be the parallel-connection structure of several switches.
Drive control circuit comprises at least input power positive pole P+, power cathode P-, MCU, voltage detecting circuit and some
Individual drive circuit.The quantity of the drive circuit is identical with the quantity of the battery bag, and in the present embodiment, drive circuit is
First drive circuit Driver1 and the second drive circuit Driver2, the first control signal CTL1 of output, the second control signal
CTL2.The voltage detecting circuit includes divider resistance R3, R4 and mosfet transistor Q1, wherein mosfet transistor Q1 connections
A MCU output end, when the output end exports high level, mosfet transistor Q1 conductings, and connect divider resistance R3, R4
Connect；When the output end exports low level, mosfet transistor Q1 cut-offs, and divider resistance R3, R4 are disconnected, to reduce driving
Leakage current when control circuit is stopped.
It should be noted that the first battery bag controlling switch module and the second battery bag controlling switch module are multi-form
Construction of switch when, the structure of drive circuit is also different.
As shown in figure 3, when the first battery bag controlling switch module S1 is relay, corresponding first control circuit is at least
Include triode Q2, triode driving resistance R5, R6, sustained diode 4.When MCU output signal O1 is high level, Q2 is led
It is logical, make relay S1 adhesives, and then B1+ is connected with B+；When MCU output signal O1 is low level, Q2 cut-offs, make relay
Release, disconnect B1+ and B+.Similarly, when the second battery bag controlling switch module S2 is relay, corresponding second control electricity
Road also has identical structure.
As shown in figure 4, when the second battery bag controlling switch module S2 is P-MOSFET, its corresponding second drive control
Circuit, which comprises at least, drives resistance R7, R8, triode Q3, triode driving resistance R9, R10.MCU output signal O2 is high electricity
Usually, triode Q3 is turned on, and R8 is connected with P-, and MOSFET grid voltages are voltages of the B2+ by R7, R8 partial pressure, P-MOSFET
Conducting, makes B2+ be connected with B+；When MCU output signal O2 is low level, triode Q3 cut-offs, R8 and P- disconnects, P-MOSFET
Grid voltage is B2+ voltages, P-MOSFET cut-offs, disconnects B2+ and B+.Similarly, as the first battery bag controlling switch module S1
When being P-MOSFET, corresponding first control circuit also has identical structure.
Based on embodiment, operation principle of the present utility model is illustrated：Before not pressing main switch S3, the first battery bag control
Switch module S1 processed, the second battery bag controlling switch module S2 all in off-state, the positive poles of two battery bags with driving
Control circuit disconnects.After main switch S3 is pressed, the first battery bag is pre- by second by the first pre-charge circuit, the second battery bag
Charging circuit charges to drive control circuit, drive control circuit is started working.MCU in drive control circuit passes through signal
O1 controls the first drive circuit works, and the first control signal CTL1 of output opens the first battery bag controlling switch module S1, makes the
The positive pole B1+ of one battery bag is connected with the positive pole P+ of drive control circuit, is now discharged using the first battery bag；Drive control electricity
The MCU on road is by the real-time monitoring voltage of voltage detecting circuit, when the first battery bag not enough power supply, in drive control circuit
MCU controls the first drive circuit to be stopped by signal O1, does not export the first control signal CTL1, disconnects the first battery bag control
Switch module S1 processed.Meanwhile the MCU in drive control circuit controls the second drive circuit works, output second by signal O2
Control signal CTL2 closes the second battery bag controlling switch S2, make the positive pole B1+ of the first battery bag with drive control circuit just
Pole P+ makes the positive pole B2+ of the second battery bag be connected with the positive pole P+ of drive control circuit while disconnection, now using the second electricity
Chi Bao discharges.After unclamping main switch S3, the positive pole P+ of drive control circuit is connected with drive control circuit negative pole P- by S3,
The electricity for being stored in drive control circuit is quickly bled off, drive control circuit is stopped, and control signal CTL1, CTL2 stops
Output, battery bag controlling switch module S1, S2 are off.
Claims (10)
1. a kind of primary switch control circuit for more battery bag hay movers, it is characterised in that including main switch, drive control electricity
Road, the battery bag controlling switch module of quantity identical with battery bag and pre-charge circuit；
One end of the pre-charge circuit and the positive pole of multiple battery bags connect one to one, the other end connection of pre-charge circuit
Main switch；
Each battery bag controlling switch module is connected in parallel with a pre-charge circuit, each battery bag controlling switch module
Control terminal connect the control signal all the way of the drive control circuit；
The negative pole of the multiple battery bag is all connected with the power cathode of main switch and the drive control circuit；
The main switch connects the positive source of the drive control circuit.
A kind of 2. primary switch control circuit for more battery bag hay movers according to claim 1, it is characterised in that institute
Stating pre-charge circuit includes the clamp diode and current-limiting resistance of series connection.
A kind of 3. primary switch control circuit for more battery bag hay movers according to claim 2, it is characterised in that institute
State clamp diode to be made up of multiple clamp diode parallel connections, the current-limiting resistance is made up of multiple resistor coupled in parallel.
A kind of 4. primary switch control circuit for more battery bag hay movers according to claim 2, it is characterised in that institute
Stating pre-charge circuit includes multiple parallel-connection structures, and each parallel-connection structure is the clamp diode and current-limiting resistance of series connection.
A kind of 5. primary switch control circuit for more battery bag hay movers according to claim 1, it is characterised in that institute
Main switch is stated as any one of single-pole double-throw switch (SPDT), double-point double-throw switch.
A kind of 6. primary switch control circuit for more battery bag hay movers according to claim 1, it is characterised in that institute
Battery bag controlling switch module is stated as any one of relay, MOSFET, triode, electronic switch.
A kind of 7. primary switch control circuit for more battery bag hay movers according to claim 6, it is characterised in that institute
State parallel-connection structure of the battery bag controlling switch module for several relays, MOSFET, triode or electronic switch.
A kind of 8. primary switch control circuit for more battery bag hay movers according to claim 1, it is characterised in that institute
Stating drive control circuit includes MCU, voltage detecting circuit and several drive circuits；
The quantity of the drive circuit is identical with the quantity of the battery bag, for being believed according to MCU output signal output control
Number, the control signal connects the control terminal of the battery bag controlling switch module；
The voltage detecting circuit includes two divider resistances and a mosfet transistor, one end difference of two divider resistances
Source electrode and the drain electrode of the mosfet transistor are connected, the other end connects positive source port and power cathode port respectively；Institute
The grid for stating mosfet transistor connects an output end of the MCU, according to two divider resistances of output control of the MCU
Be connected and disconnected from.
A kind of 9. primary switch control circuit for more battery bag hay movers according to claim 8, it is characterised in that institute
When to state battery bag controlling switch module be relay, the control circuit includes triode, the first triode driving resistance, second
Triode drives resistance and fly-wheel diode；
The base stage of the triode connects one end and second triode driving resistance of the first triode driving resistance
One end, emitter stage connects the other end of second triode driving resistance and the power cathode of the drive control circuit,
Colelctor electrode connects coil one end of the relay；
The other end connection MCU of the first triode driving resistance；
The positive pole of the fly-wheel diode connects coil one end of the relay, and the coil that negative pole connects the relay is another
End.
A kind of 10. primary switch control circuit for more battery bag hay movers according to claim 8, it is characterised in that
When the battery bag controlling switch module is MOSFET, the control circuit includes the first driving resistance, the second driving resistance, three
Pole pipe, the first triode driving resistance and the second triode driving resistance；
The positive pole of one end connection battery bag and MOSFET source electrode of the first driving resistance, other end connection the second driving electricity
Resistance and MOSFET grid；
The other end of the second driving resistance connects the colelctor electrode of the triode；
The emitter stage of the triode connects the power cathode and first triode driving resistance of the drive control circuit
One end, base stage connects one end of second triode driving resistance and the other end of first triode driving resistance；
The other end of the second triode driving resistance connects the MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309351.XU CN206807125U (en) | 2017-03-28 | 2017-03-28 | A kind of primary switch control circuit for more battery bag hay movers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720309351.XU CN206807125U (en) | 2017-03-28 | 2017-03-28 | A kind of primary switch control circuit for more battery bag hay movers |
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| Publication Number | Publication Date |
|---|---|
| CN206807125U true CN206807125U (en) | 2017-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720309351.XU Active CN206807125U (en) | 2017-03-28 | 2017-03-28 | A kind of primary switch control circuit for more battery bag hay movers |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069928A (en) * | 2017-03-28 | 2017-08-18 | 浙江特康电子科技有限公司 | A kind of primary switch control circuit for many battery bag hay movers |
| CN108599298A (en) * | 2018-04-25 | 2018-09-28 | 爱驰汽车有限公司 | Battery pack parallel device and control method thereof |
| CN108767942A (en) * | 2018-08-14 | 2018-11-06 | 深圳市海库科技有限公司 | A kind of more battery sequential power supply circuits and its fan circuit |
-
2017
- 2017-03-28 CN CN201720309351.XU patent/CN206807125U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069928A (en) * | 2017-03-28 | 2017-08-18 | 浙江特康电子科技有限公司 | A kind of primary switch control circuit for many battery bag hay movers |
| CN107069928B (en) * | 2017-03-28 | 2024-04-16 | 浙江特康电子科技有限公司 | Main switch control circuit for multi-battery pack mower |
| CN108599298A (en) * | 2018-04-25 | 2018-09-28 | 爱驰汽车有限公司 | Battery pack parallel device and control method thereof |
| CN108599298B (en) * | 2018-04-25 | 2022-05-13 | 氢驰动力科技(山西)有限公司 | Battery pack parallel device and control method thereof |
| CN108767942A (en) * | 2018-08-14 | 2018-11-06 | 深圳市海库科技有限公司 | A kind of more battery sequential power supply circuits and its fan circuit |
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