CN206790181U - A kind of on/off circuit - Google Patents
A kind of on/off circuit Download PDFInfo
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- CN206790181U CN206790181U CN201720671809.6U CN201720671809U CN206790181U CN 206790181 U CN206790181 U CN 206790181U CN 201720671809 U CN201720671809 U CN 201720671809U CN 206790181 U CN206790181 U CN 206790181U
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- 238000004146 energy storage Methods 0.000 claims abstract description 60
- 230000005611 electricity Effects 0.000 claims description 15
- 230000005669 field effect Effects 0.000 claims description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- KJAZZOWIUGBRCT-UHFFFAOYSA-K aluminum;iron(2+);phosphate Chemical compound [Al+3].[Fe+2].[O-]P([O-])([O-])=O KJAZZOWIUGBRCT-UHFFFAOYSA-K 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model provides a kind of on/off circuit.In the utility model, on/off circuit is arranged at energy-storage system, and energy-storage system, load and DC-AC converter are in parallel by bus, and DC-AC converter is connected with power supply；On/off circuit includes：Wake-up circuit, switching on and shutting down sub-circuit and battery, wherein, the anode of the input connection battery of wake-up circuit, the negative electrode of the first output end connection load of wake-up circuit, the first input end of second output end connecting valve loom circuit of wake-up circuit, the anode of the second input connection battery of switching on and shutting down sub-circuit, the negative electrode of the output end connection battery of switching on and shutting down sub-circuit, the output end of switching on and shutting down sub-circuit is connected with the negative electrode loaded, the anode of the anode connection battery of load.Therefore, technical scheme provided by the utility model can realize the Auto Power On of energy-storage system, so as to save cost of human resources.
Description
【Technical field】
It the utility model is related to cell art, more particularly to a kind of on/off circuit.
【Background technology】
In the prior art, battery is provided with energy-storage system, battery can obtain electric energy from power supply, also, work as electricity consumption
During the externally fed exception of equipment, energy-storage system can provide electric energy for electrical equipment automatically by the battery of itself, to ensure
The normal work of electrical equipment.At present, typically energy-storage system is applied in remote mountain areas or unattended computer room.
During the utility model is realized, utility model people has found that at least there are the following problems in the prior art：
Energy-storage system is turned on and off being required for human intervention, such as after energy-storage system is closed, even if externally fed
System recovers normal, also can not Auto Power On, can only be manually opened by attendant, human cost is higher.
【Utility model content】
In view of this, the utility model provides a kind of on/off circuit, to realize the Auto Power On of energy-storage system, from
And save cost of human resources.
On the one hand, the utility model provides a kind of on/off circuit, and the on/off circuit is arranged at energy-storage system, institute
It is in parallel by bus to state energy-storage system, load and DC-AC converter, the DC-AC converter is connected with power supply；Institute
Stating on/off circuit includes：Wake-up circuit, switching on and shutting down sub-circuit and battery；
The input of the wake-up circuit connects the anode of the battery, the first output end connection institute of the wake-up circuit
The negative electrode of load is stated, the second output end of the wake-up circuit connects the first input end of the switching on and shutting down sub-circuit；
Second input of the switching on and shutting down sub-circuit connects the anode of the battery, the output of the switching on and shutting down sub-circuit
End connects the negative electrode of the battery；
The output end of the switching on and shutting down sub-circuit is connected with the negative electrode loaded, and the anode of the load connects the battery
Anode.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, it is described to wake up electricity
Road includes：Voltage-regulator diode, first resistor, second resistance, 3rd resistor and second switch pipe；
The anode of the anode connection battery of the voltage-regulator diode, negative electrode connection first electricity of the voltage-regulator diode
One end of resistance, the other end of the first resistor connect the emitter stage of the second switch pipe；
The one end of the emitter stage of the second switch pipe also with the second resistance is connected, the other end of the second resistance
Connect the base stage of the second switch pipe；
The one end of the base stage of the second switch pipe also with the 3rd resistor is connected, and the other end of the 3rd resistor connects
Connect the negative electrode of the load；
The colelctor electrode of the second switch pipe is connected with the switching on and shutting down sub-circuit.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the switching on and shutting down
Sub-circuit includes：First switch sub-circuit, second switch sub-circuit, single-chip microcomputer and switching power source chip；
The first input end of the first switch sub-circuit is connected with the second output end of the wake-up circuit, and described first
First output end of switch sub-circuit is connected with the first input end of the second switch sub-circuit, the first switch sub-circuit
The second output head grounding；
Second input of the second switch sub-circuit connects the anode of the battery, the second switch sub-circuit
Output end connects one end of the switching power source chip, and the other end of the switching power source chip connects the single-chip microcomputer；
First output end of the single-chip microcomputer connects the second input of the first switch sub-circuit, the single-chip microcomputer
Second output end connects the negative electrode of the battery, and the 3rd output end of the single-chip microcomputer connects the negative electrode of the load.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described first opens
Climax circuit includes：4th resistance, the 5th resistance and the 3rd switching tube；
Second output end of the wake-up circuit is connected with one end of the 4th resistance, the other end of the 4th resistance
Connect the base stage of the 3rd switching tube；
The one end of the base stage of 3rd switching tube also with the 5th resistance is connected, and, the 3rd switching tube
Base stage is also connected with the first output end of the single-chip microcomputer；
The colelctor electrode of 3rd switching tube is connected with the first input end of the second switch sub-circuit；
The grounded emitter of 3rd switching tube, one end ground connection of the 5th resistance.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described second opens
Climax circuit includes：First switch pipe, the 6th resistance, the 7th resistance；
The source electrode of the first switch pipe is connected with the anode of the battery；
The drain electrode of the first switch pipe is connected with one end of the switching power source chip；
The grid of the first switch pipe is connected with one end of the 6th resistance, the other end connection of the 6th resistance
The anode of the battery；
The one end of the grid of the first switch pipe also with the 7th resistance is connected, and the other end of the 7th resistance connects
Connect the first switch sub-circuit.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the switching on and shutting down
Sub-circuit also includes：3rd switch sub-circuit, the 3rd switch sub-circuit include：Switch key, the 8th resistance, the 9th resistance
With the tenth resistance；
One end of 8th resistance connects the base stage of the first switch pipe, the other end connection institute of the 8th resistance
State switch key；
The other end of the switch key connects one end of the 9th resistance and one end of the tenth resistance, the 9th resistance
The other end ground connection, the tenth resistance the other end ground connection and be connected with the single-chip microcomputer.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, described first opens
It is p type field effect transistor to close pipe.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the switching on and shutting down
Sub-circuit also includes：Reset key and the 11st resistance；
One end of the reset key connects the single-chip microcomputer, the other end ground connection of the reset key；
Connected between the reset key and the switching power source chip by the 11st resistance.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the switching on and shutting down
Sub-circuit also includes：4th switch sub-circuit, the 4th switch sub-circuit include：4th switching tube and the 5th switching tube；
The grid of 4th switching tube connects the single-chip microcomputer, and the source electrode of the 4th switching tube connects the load
Negative electrode, the drain electrode of the 4th switching tube connect the source electrode of the 5th switching tube；
The grid of 5th switching tube connects the single-chip microcomputer, and the drain electrode of the 5th switching tube connects the battery
Negative electrode.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the battery bag
Include：Lithium battery, aluminum phosphate iron cell, lead accumulator.
A technical scheme in above-mentioned technical proposal has the advantages that：
In the utility model, energy-storage system is in parallel with load, and power supply can be energy-storage system by DC-AC converter
And load supplying, when energy-storage system in the course of the work, during outside DC-AC converter operation irregularity, energy-storage system can be with
It is load supplying by the parallel relationship between load；On the other hand, after energy-storage system is closed, if outside power supply circuit
Recover normal, then connecting on the bus between energy-storage system and power supply has voltage, and now, wake-up circuit can be waken up, and be waken up
The output end output signal of circuit can cause switching on and shutting down sub-circuit to be waken up, so as to which switching on and shutting down sub-circuit can to load
Negative electrode and battery negative electrode between be switched on, in this way, in energy-storage system between battery and load, power supply all be switched on, energy storage
System with normal work, can realize the Auto Power On of energy-storage system, due to not needing attendant to manually adjust during this
And maintenance, unnecessary waste of human resource is avoided, saves human cost.
【Brief description of the drawings】
In order to illustrate more clearly of the technical solution of the utility model, below by the required accompanying drawing used in embodiment
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the external circuit structural representation of energy-storage system in the utility model；
Fig. 2 is the structural representation of on/off circuit provided by the utility model.
【Embodiment】
In order to be better understood from the technical solution of the utility model, the utility model is retouched in detail below in conjunction with the accompanying drawings
State.
It will be appreciated that described embodiment is only the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained under the premise of creative work is not made
The all other embodiment obtained, belong to the scope of the utility model protection.
The term used in the utility model is only merely for the purpose of description specific embodiment, and is not intended to be limiting this
Utility model." one kind ", " described " and "the" of singulative used in the utility model and appended claims
It is also intended to including most forms, unless context clearly shows that other implications.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while A and B be present, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
It will be appreciated that though input may be described using term first, second, third, etc. in the utility model
Deng, but these inputs should not necessarily be limited by these terms.These terms are only used for input being distinguished from each other out.For example, do not taking off
In the case of the scope of the utility model, first input end can also be referred to as the second input, similarly, the second input
First input end can be referred to as.
Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining " or " in response to detection ".Similarly, depending on linguistic context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when it is determined that when " or " in response to determine " or " when the detection (condition of statement
Or event) when " or " in response to detecting (condition or event of statement) ".
Cause human cost higher for manually booting energy-storage system by attendant in the presence of prior art
Problem, the utility model provide following resolving ideas：Wake-up circuit is set in the internal circuit of energy-storage system and with calling out
The switching on and shutting down sub-circuit that awake circuit is connected, when the voltage of energy-storage system is normal, wake-up circuit works automatically, wake-up switch machine
Sub-circuit, and whole energy-storage system is waken up by switching on and shutting down sub-circuit completely, energy-storage system works automatically.
Under the guiding of the thinking, this programme embodiment provides following feasible embodiment.
Embodiment one
The utility model provides a kind of on/off circuit, and the on/off circuit is arranged in energy-storage system.Specifically, it please join
Fig. 1 is examined, it is the external circuit structural representation of energy-storage system in the utility model, as shown in figure 1, energy-storage system 11, load
Connected between 12 and DC-AC converter (AC/DC converters) 13 by bus (BUS), wherein, BUS+ represents bus
Anode, BUS- represent the negative electrode of bus；Also, the other end of DC-AC converter 13 is also connected with power supply 14.
Involved battery includes in the utility model：Lithium battery, aluminum phosphate iron cell, lead accumulator.
As shown in figure 1, the on/off circuit in energy-storage system 11 includes：Wake-up circuit 21, switching on and shutting down sub-circuit 22 and electricity
Pond 23.Wherein, the anode of the input connection battery 23 of wake-up circuit 21, the first output end connection load of wake-up circuit 21
Negative electrode, the first input end of the second output end connecting valve loom circuit 22 of wake-up circuit 21, the of switching on and shutting down sub-circuit 22
Two inputs connect the anode of battery 23, the negative electrode of the output end connection battery 23 of switching on and shutting down sub-circuit 22, switching on and shutting down sub-circuit
22 output end is connected with the negative electrode loaded, the anode of the anode connection battery 23 of load.
When the externally fed circuit normal work of energy-storage system as shown in Figure 1, the electric energy that power supply 14 provides can be through
DC-AC converter 13 is changed, and is powered using the electric energy after conversion for load 12 and energy-storage system 11.If also, such as
When the externally fed circuit of energy-storage system shown in Fig. 1 breaks down, the battery 23 in energy-storage system 11 can realize internal electricity
Pond powers, and, energy-storage system 11 can also be powered by bus for load 12.
In the utility model, for load type without being particularly limited to.For example, load can include：Life kind is used
It is at least one in electric equipment and production class electrical equipment.
In order to illustrate this programme, Fig. 2 is refer to, it shows for the structure of on/off circuit provided by the utility model
It is intended to.Hereinafter, by taking the on/off circuit shown in Fig. 2 as an example, wake-up circuit and switch in the on/off circuit are illustrated
The concrete structure of loom circuit.Wherein, BUS+ represents the anode of bus in Fig. 2, and BUS- represents the negative electrode of bus.Need what is illustrated
It is that the label of switching on and shutting down sub-circuit does not indicate in fig. 2 in the utility model.
First, as shown in Fig. 2 wake-up circuit 21 includes：Voltage-regulator diode ZD1, first resistor R1, second resistance R2,
Three resistance R3 and second switch pipe Q2.Wherein, the anode of voltage-regulator diode ZD1 anode connection battery 23, voltage-regulator diode ZD1
Negative electrode connection first resistor R1 one end, first resistor R1 other end connection second switch pipe Q2 emitter stage, second opens
Close the one end of pipe Q2 emitter stage also with second resistance R2 to be connected, second resistance R2 other end connection second switch pipe Q2 base
Pole, the one end of second switch pipe Q2 base stage also with 3rd resistor R3 are connected, the moon of 3rd resistor R3 other end connection load
Pole, second switch pipe Q2 colelctor electrode are connected with switching on and shutting down sub-circuit.
With reference to shown in Fig. 1 and Fig. 2, when 11 normal work of energy-storage system, wake-up circuit 21 does not work, in energy-storage system 11
Switching on and shutting down sub-circuit conducting.But the power supply circuit outside energy-storage system 11 breaks down, such as DC-AC converter
13 when breaking down, and power supply 14 can not be that load 12 and energy-storage system 11 are powered, now, the brownout on bus, storage
Energy system 11 can automatically close or by attendant's manual-lock, afterwards, if externally fed circuit recovers normal, on bus
Voltage also recovers normal, now, meets that the condition of avalanche breakdown occurs for voltage-regulator diode ZD1, snowslide occurs for voltage-regulator diode ZD1
Breakdown, and pass through second resistance R2,3rd resistor R3 partial pressure so that second switch pipe Q2 is turned on, so as to which wake-up circuit 21 is complete
Full conducting, and then, electric current can pass through the fully on flow direction switch sub-circuit of wake-up circuit 21.
In the utility model, switch sub-circuit can include but is not limited to：First switch sub-circuit, second switch electricity
Road, single-chip microcomputer (Microcontroller Unit, MCU) and switching power source chip.During some concrete implementations, switch
Sub-circuit can also include：3rd switch sub-circuit, the 4th switch sub-circuit and reset key etc..
In the utility model, switching power source chip can be DC/DC converters, and DC/DC converters are transformation input voltage
The electric pressure converter of fixed voltage is effectively exported afterwards.
As shown in Fig. 2 the first switch sub-circuit 221 in switch sub-circuit is connected with wake-up circuit 21, first switch
The first input end of circuit 221 is connected with the second output end of wake-up circuit 21, the first output end of first switch sub-circuit 221
It is connected with the first input end of second switch sub-circuit 222, the second output head grounding of first switch sub-circuit 221, second opens
The anode of the second input connection battery 23 of climax circuit 222, the output end connecting valve power supply of second switch sub-circuit 222
One end of chip 226, the other end connection single-chip microcomputer 225 of switching power source chip, the first output end connection first of single-chip microcomputer 225
Switch the second input of sub-circuit 221, the negative electrode of the second output end connection battery 23 of single-chip microcomputer 225, the of single-chip microcomputer 225
The negative electrode of three output ends connection load.
Hereinafter, by taking on/off circuit shown in Fig. 2 as an example, each several part in split climax circuit illustrates respectively.
First, first switch sub-circuit 221 includes：4th resistance R4, the 5th resistance R5 and the 3rd switching tube Q3.Wherein,
Second output end of wake-up circuit 21 is connected with the 4th resistance R4 one end, and the 4th resistance R4 other end connects the 3rd switching tube
Q3 base stage, the one end of the 3rd switching tube Q3 base stage also with the 5th resistance R5 are connected, and, the 3rd switching tube Q3 base stage is also
It is connected with the first output end of single-chip microcomputer 225, the 3rd switching tube Q3 colelctor electrode and the first input of second switch sub-circuit 222
End connection, the 3rd switching tube Q3 grounded emitter, the 5th resistance R5 one end ground connection.
Secondly, second switch sub-circuit 222 includes：First switch pipe Q1, the 6th resistance R6, the 7th resistance R7.Wherein,
One switching tube Q1 source electrode is connected with the anode of battery 23, first switch pipe Q1 drain electrode and one end of switching power source chip 226
Connection, first switch pipe Q1 grid are connected with the 6th resistance R6 one end, the 6th resistance R6 other end connection battery 23
Anode, the one end of first switch pipe Q1 grid also with the 7th resistance R7 are connected, and the 7th resistance R7 other end connection first is opened
Climax circuit 221.
For example, in the utility model, first switch pipe Q1 can be p type field effect transistor, as p-type metal-oxide-
Semiconductor field effect transistor (P-metal-oxide-semiconductor, P-MOS) is managed, in another example, second switch pipe and the 3rd
Switching tube can be triode.
Based on the said structure shown in Fig. 2, after wake-up circuit 21 turns on, the 4th resistance R4 and the 5th resistance can be passed through
R5 partial pressure so that the 3rd switching tube Q3 is turned on, then, electric current is by the 6th resistance R6, the 7th resistance R7 and the 3rd switch
Pipe Q3 partial pressure so that first switch pipe Q1 is turned on, so as to which electric current flows to electricity by switching power source chip 226, single-chip microcomputer 225
The negative electrode in pond and the negative electrode of the load connected by bus, in this way, whole energy-storage system is waken up, the realization of the process is not required to
Want attendant to be operated manually, save cost of human resources.
Also, during a concrete implementation, as shown in Fig. 2 the switching on and shutting down sub-circuit can also include：3rd opens
Climax circuit 223, the 3rd switch sub-circuit 223 include：Switch key K1, the 8th resistance R8, the 9th resistance R9 and the tenth resistance
R10.Wherein, the 8th resistance R8 one end connection first switch pipe Q1 base stage, the 8th resistance R8 other end connecting valve are pressed
Key K1, switch key the K1 other end connect the 9th resistance R9 one end and the tenth resistance R10 one end, the 9th resistance R9's
The other end is grounded, and the tenth resistance R10 other end is grounded and is connected with single-chip microcomputer 225.
In specific application process, switch key K1 can be to be arranged to touch-switch, for example, it is light to be arranged to ON/OFF
Switch is touched, in this way, opening and closing to the on/off circuit can be realized by touching switch key K1.
On the one hand, as shown in Fig. 2 when pressing switch key K1 for the first time, electric current flows through the 6th resistance by bus BUS
R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9 and the tenth resistance R10, these resistance common divided voltages cause first switch
Pipe Q1 is turned on, and afterwards, switching power source chip 226 is started working, and single-chip microcomputer 225 works on power.On single-chip microcomputer 225 after electricity, by O_
D_EN level is drawn high, and now, in first switch sub-circuit 221, is acted on, made by the 4th resistance R4 and the 5th resistance R5 partial pressure
Obtain the 3rd switching tube Q3 conductings, then, electric current can pass through the 6th resistance R6, the 7th resistance R7 and the 3rd switching tube Q3 point
Pressure so that first switch pipe Q1 is turned on；So, after trip switch button K1, remain in that O_D_EN level is drawn in single-chip microcomputer
High state, that is to say, that it is conducting state to keep first switch pipe Q1, and now, the on/off circuit start completion can be normal
Work.
On the other hand, as shown in Fig. 2 when electricity on single-chip microcomputer 225 and after normal work, when pressing switch key K1 again
When, single-chip microcomputer 225 can drag down O_D_EN level, the 3rd switching tube Q3 cut-offs, after trip switch button K1, the 8th resistance R8
Disconnected with the 9th resistance R9, first switch pipe Q1 cut-offs, then the on/off circuit powers off, in this way, completing the pass of energy-storage system
Motor-driven work.
During concrete implementation this programme, reset key K2, such as Fig. 2 can also be set in switching on and shutting down sub-circuit
It is shown, reset key K2 one end connection single-chip microcomputer 225, reset key K2 other end ground connection, also, reset key K2 is with opening
Pass through the 11st resistance R11 connections between powered-down source chip 226.When energy-storage system in the process of running, except can be by upper
State switch key K1 and realize that the lower electricity of shutdown is outer, also entered single-chip microcomputer 225 by way of pressing reset key K2 (RESET buttons)
Row is resetted, and positive closing first switch pipe Q1 so that energy-storage system is closed.
During another concrete implementation, as shown in Fig. 2 the switching on and shutting down sub-circuit can also include：4th switch
Sub-circuit 224, the 4th switch sub-circuit 224 include：4th switching tube Q4 and the 5th switching tube Q5.Wherein, the 4th switching tube Q4
Grid connection single-chip microcomputer 225, the negative electrode of the 4th switching tube Q4 source electrode connection load, the 4th switching tube Q4 drain electrode connection the
Five switching tube Q5 source electrode, the 5th switching tube Q5 grid connection single-chip microcomputer 225, the 5th switching tube Q5 drain electrode connection battery 23
Negative electrode.
In the utility model, the 4th switching tube and the 5th switching tube can be that P-MOS is managed.
Specifically, on single-chip microcomputer 225 after electricity, DISCHANGE_EN and CHANGE_En level can be drawn high so that electricity
Pool cathode turns on bus, it is, so that the negative electrode of battery turns on the negative electrode loaded, in this way, the battery in energy-storage system
Can be load supplying, power supply can also be battery powered.
In the utility model, in order to ensure the one-way transmission of electric current, some lists can also be set in the on/off circuit
To diode, these diodes can ensure that electric current is transmitted with specified direction.Exemplified by shown in Fig. 2, in the 4th switch electricity
In road 224, a diode is respectively arranged with the 4th switching tube and the 5th switching tube, and, in wake-up circuit 21 and first
Switch in sub-circuit 221, be also equipped with a diode, between the resistance R4 of single-chip microcomputer 225 and the 4th, be also equipped with one two
Pole pipe, these diodes ensure that the direction that electric current is set according to diode is transmitted.
Based on on/off circuit provided by the utility model, overvoltage can also be realized by being configured in single-chip microcomputer
Defencive function, the embodiment of the present invention is to this without being particularly limited to.
For example, in the normal work engineering of energy-storage system, can not if exception occurs for the exterior power supply plant of energy-storage system
For load supplying when, energy-storage system can be load supplying by the battery of itself, and in power supply process, pass through monolithic machine examination
The voltage of slowdown monitoring circuit, if detecting brownout, the O_D_EN level in on/off circuit as shown in Figure 2 can be drawn
It is low, to cause single-chip microcomputer and energy-storage system to force lower electricity, ensure that the battery in energy-storage system is unlikely to over-discharge and damaged
It is bad.
The technical solution of the utility model has the advantages that：
In the utility model, energy-storage system is in parallel with load, and power supply can be energy-storage system by DC-AC converter
And load supplying, when energy-storage system in the course of the work, during outside DC-AC converter operation irregularity, energy-storage system can be with
It is load supplying by the parallel relationship between load；On the other hand, after energy-storage system is closed, if outside power supply circuit
Recover normal, then connecting on the bus between energy-storage system and power supply has voltage, and now, wake-up circuit can be waken up, and be waken up
The output end output signal of circuit can cause switching on and shutting down sub-circuit to be waken up, so as to which switching on and shutting down sub-circuit can to load
Negative electrode and battery negative electrode between be switched on, in this way, in energy-storage system between battery and load, power supply all be switched on, energy storage
System with normal work, can realize the Auto Power On of energy-storage system, due to not needing attendant to manually adjust during this
And maintenance, unnecessary waste of human resource is avoided, saves human cost.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc., the utility model should be included in
Within the scope of protection.
Claims (10)
1. a kind of on/off circuit, it is characterised in that the on/off circuit is arranged at energy-storage system, the energy-storage system, bears
Carry and DC-AC converter is in parallel by bus, the DC-AC converter is connected with power supply；The on/off circuit
Including：Wake-up circuit, switching on and shutting down sub-circuit and battery；
The input of the wake-up circuit connects the anode of the battery, and the first output end connection of the wake-up circuit is described negative
The negative electrode of load, the second output end of the wake-up circuit connect the first input end of the switching on and shutting down sub-circuit；
Second input of the switching on and shutting down sub-circuit connects the anode of the battery, and the output end of the switching on and shutting down sub-circuit connects
Connect the negative electrode of the battery；
The output end of the switching on and shutting down sub-circuit is connected with the negative electrode loaded, and the anode of the load connects the sun of the battery
Pole.
2. on/off circuit according to claim 1, it is characterised in that the wake-up circuit includes：Voltage-regulator diode,
One resistance, second resistance, 3rd resistor and second switch pipe；
The anode of the anode connection battery of the voltage-regulator diode, the negative electrode of the voltage-regulator diode connect the first resistor
One end, the other end of the first resistor connect the emitter stage of the second switch pipe；
The one end of the emitter stage of the second switch pipe also with the second resistance is connected, the other end connection of the second resistance
The base stage of the second switch pipe；
The one end of the base stage of the second switch pipe also with the 3rd resistor is connected, the other end connection institute of the 3rd resistor
State the negative electrode of load；
The colelctor electrode of the second switch pipe is connected with the switching on and shutting down sub-circuit.
3. on/off circuit according to claim 1, it is characterised in that the switching on and shutting down sub-circuit includes：First switch
Sub-circuit, second switch sub-circuit, single-chip microcomputer and switching power source chip；
The first input end of the first switch sub-circuit is connected with the second output end of the wake-up circuit, the first switch
First output end of sub-circuit is connected with the first input end of the second switch sub-circuit, and the of the first switch sub-circuit
Two output head groundings；
Second input of the second switch sub-circuit connects the anode of the battery, the output of the second switch sub-circuit
End connects one end of the switching power source chip, and the other end of the switching power source chip connects the single-chip microcomputer；
Second input of the first output end connection first switch sub-circuit of the single-chip microcomputer, the second of the single-chip microcomputer
Output end connects the negative electrode of the battery, and the 3rd output end of the single-chip microcomputer connects the negative electrode of the load.
4. on/off circuit according to claim 3, it is characterised in that the first switch sub-circuit includes：4th electricity
Resistance, the 5th resistance and the 3rd switching tube；
Second output end of the wake-up circuit is connected with one end of the 4th resistance, the other end connection of the 4th resistance
The base stage of 3rd switching tube；
The one end of the base stage of 3rd switching tube also with the 5th resistance is connected, and, the base stage of the 3rd switching tube
Also it is connected with the first output end of the single-chip microcomputer；
The colelctor electrode of 3rd switching tube is connected with the first input end of the second switch sub-circuit；
The grounded emitter of 3rd switching tube, one end ground connection of the 5th resistance.
5. on/off circuit according to claim 3, it is characterised in that the second switch sub-circuit includes：First opens
Guan Guan, the 6th resistance, the 7th resistance；
The source electrode of the first switch pipe is connected with the anode of the battery；
The drain electrode of the first switch pipe is connected with one end of the switching power source chip；
The grid of the first switch pipe is connected with one end of the 6th resistance, described in the other end connection of the 6th resistance
The anode of battery；
The one end of the grid of the first switch pipe also with the 7th resistance is connected, the other end connection institute of the 7th resistance
State first switch sub-circuit.
6. on/off circuit according to claim 5, it is characterised in that the switching on and shutting down sub-circuit also includes：3rd opens
Climax circuit, the 3rd switch sub-circuit include：Switch key, the 8th resistance, the 9th resistance and the tenth resistance；
One end of 8th resistance connects the base stage of the first switch pipe, is opened described in the other end connection of the 8th resistance
Close button；
The other end of the switch key connects one end of the 9th resistance and one end of the tenth resistance, the 9th resistance it is another
One end is grounded, and the other end of the tenth resistance is grounded and is connected with the single-chip microcomputer.
7. on/off circuit according to claim 5, it is characterised in that the first switch pipe is p-type field effect transistor
Pipe.
8. on/off circuit according to claim 3, it is characterised in that the switching on and shutting down sub-circuit also includes：Reset is pressed
Key and the 11st resistance；
One end of the reset key connects the single-chip microcomputer, the other end ground connection of the reset key；
Connected between the reset key and the switching power source chip by the 11st resistance.
9. on/off circuit according to claim 3, it is characterised in that the switching on and shutting down sub-circuit also includes：4th opens
Climax circuit, the 4th switch sub-circuit include：4th switching tube and the 5th switching tube；
The grid of 4th switching tube connects the single-chip microcomputer, and the source electrode of the 4th switching tube connects the moon of the load
Pole, the drain electrode of the 4th switching tube connect the source electrode of the 5th switching tube；
The grid of 5th switching tube connects the single-chip microcomputer, and the drain electrode of the 5th switching tube connects the moon of the battery
Pole.
10. on/off circuit according to claim 1 or 2, it is characterised in that the battery includes：Lithium battery, aluminum phosphate
Iron cell, lead accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671809.6U CN206790181U (en) | 2017-06-09 | 2017-06-09 | A kind of on/off circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720671809.6U CN206790181U (en) | 2017-06-09 | 2017-06-09 | A kind of on/off circuit |
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| CN206790181U true CN206790181U (en) | 2017-12-22 |
Family
ID=60716941
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|---|---|---|---|
| CN201720671809.6U Active CN206790181U (en) | 2017-06-09 | 2017-06-09 | A kind of on/off circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215915A (en) * | 2018-01-25 | 2018-06-29 | 宁德时代新能源科技股份有限公司 | Electric energy transmission circuit and device |
| WO2021128710A1 (en) * | 2019-12-26 | 2021-07-01 | 上海派能能源科技股份有限公司 | Battery power-on circuit |
| CN114243850A (en) * | 2021-12-23 | 2022-03-25 | 珠海格力电器股份有限公司 | Electronic device |
-
2017
- 2017-06-09 CN CN201720671809.6U patent/CN206790181U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108215915A (en) * | 2018-01-25 | 2018-06-29 | 宁德时代新能源科技股份有限公司 | Electric energy transmission circuit and device |
| WO2021128710A1 (en) * | 2019-12-26 | 2021-07-01 | 上海派能能源科技股份有限公司 | Battery power-on circuit |
| JP7526797B2 (en) | 2019-12-26 | 2024-08-01 | 上海派能能源科技股▲ふん▼有限公司 | Battery start circuit |
| CN114243850A (en) * | 2021-12-23 | 2022-03-25 | 珠海格力电器股份有限公司 | Electronic device |
| CN114243850B (en) * | 2021-12-23 | 2023-10-27 | 珠海格力电器股份有限公司 | Electronic equipment |
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Effective date of registration: 20220125 Address after: 352100 science and technology building, No. 2, Xingang Road, Zhangwan Town, Jiaocheng District, Ningde City, Fujian Province Patentee after: Ningde Shidai Runzhi Software Technology Co.,Ltd. Address before: 352100 Xingang Road, Zhangwan Town, Jiaocheng District, Ningde, Fujian 1 Patentee before: Contemporary Amperex Technology Co.,Ltd. |