CN206619918U - Adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller - Google Patents
Adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller Download PDFInfo
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- CN206619918U CN206619918U CN201720180371.1U CN201720180371U CN206619918U CN 206619918 U CN206619918 U CN 206619918U CN 201720180371 U CN201720180371 U CN 201720180371U CN 206619918 U CN206619918 U CN 206619918U
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Abstract
Adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller, photo-voltaic power supply is connected by logic control circuit, mains supply, by setting the sampling ratio of the first partial pressure branch road and R1 and R2 ratio, make the voltage limit of visiting of first voltage hysteresis comparator, lower threshold voltage corresponds respectively to the charge shutoff voltage excessively of battery, charging shut-off recovers voltage, by setting the sampling ratio of the second partial pressure branch road and R3 and R4 ratio, make the lower threshold voltage of second voltage hysteresis comparator, the mistake that voltage limit of visiting corresponds respectively to battery puts shut-off voltage, electric discharge shut-off recovers voltage.The utility model can automatic detection battery status, and carry out auto charge and discharge and shut-off control and shut-off recovers control, and facilitate the offer of reference voltage.The utility model can also need progress photo-voltaic power supply, the adaptive switching of mains supply to power according to logic.
Description
Technical field
The utility model is related to the photovoltaic controller field of battery, and the discharge and recharge of more particularly to a kind of battery is integrally controlled
Device processed.
Background technology
It is that battery charging turns into a kind of trend using photovoltaic, mains hybrid mode with the development of renewable new energy.
In addition, correct charge and discharge system is not only cost-effective, it can also effectively extend the service life of battery.It was chronically at and put
The battery of electricity condition or overcharge condition, because inner conductive ion can not be excited effectively, battery will be because of using
It is improper and largely effect on its service life, so that nominal voltage is 12V battery as an example, its preferable voltage reference terminal be 12V~
13.5V, the battery of the nominal voltage in use, should try one's best and avoid the terminal voltage of battery from being in for a long time less than 12V
Or higher than 14.5V.
User is often unclear to battery dump energy when using battery, and battery is without timely and effectively filling
Electric discharge may result in equipment work midway electric power it is not enough or using it is unstable situations such as occur.Therefore, it is necessary to research and develop one kind
Battery automatic inflatable electric controller, to battery carry out auto charge and discharge and overcharge shut-off control, charging shut-off recover control,
Cross and put shut-off control, electric discharge shut-off recovery control, make the voltage of battery steady in a long-term in more normal scope.
The content of the invention
For above shortcomings in the prior art, the utility model provides a kind of adaptive photovoltaic mains hybrid electric power storage
Pool controller, can detect battery status, and it is extensive to carry out auto charge and discharge and discharge and recharge shut-off control, discharge and recharge shut-off
Multiple control, makes the voltage of battery steady in a long-term in more normal scope；
The utility model can also need progress photo-voltaic power supply, the adaptive switching of mains supply to power according to logic.
In order to solve the above-mentioned technical problem, the utility model uses following technical scheme：
Adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller, be connected to battery two ends the first partial pressure branch road and
Second partial pressure branch road, the sampled point of the first partial pressure branch road connects the reverse input end of first voltage hysteresis comparator, first voltage
The input in the same direction of hysteresis comparator passes through first resistor R1 connection reference voltages, the input in the same direction of first voltage hysteresis comparator
The first feedback resistance R2 is connected between end and output end, the sampling ratio and R1 and R2 ratio of the first partial pressure branch road of setting make
The voltage limit of visiting of first voltage hysteresis comparator crosses charge shutoff voltage corresponding to battery, first voltage hysteresis comparator
The charging shut-off that lower threshold voltage corresponds to battery recovers voltage；
The output end of first voltage hysteresis comparator connects charging of the power output end to battery by the first relay
Loop, photo-voltaic power supply, mains supply that the power output end connection is controlled whether to cut by logic control circuit；
When accumulator voltage rose to charge shutoff voltage, the low electricity of upset output occurs for first voltage hysteresis comparator
It is flat, its charging by the first relay deenergization output end to battery, this overcharges off state and is maintained to electric power storage
Pond terminal voltage is reduced to shut-off of charging and recovers voltage, reaches that then the upset of first voltage hysteresis comparator is charging shut-off recovery voltage
High level, charging of the output end that switches on power to battery；
The sampled point of the second partial pressure branch road connects the reverse input end of second voltage hysteresis comparator, and second voltage is slow
The input in the same direction of stagnant comparator passes through second resistance R3 connection reference voltages, the input in the same direction of second voltage hysteresis comparator
Connect the second feedback resistance R4 between output end, the sampling ratio and R3 and R4 ratio of the second partial pressure branch road of setting make the
The mistake that the lower threshold voltage of two voltage hysteresis comparators corresponds to battery puts shut-off voltage, second voltage hysteresis comparator it is upper
The electric discharge shut-off that threshold voltage corresponds to battery recovers voltage；The output end of second voltage hysteresis comparator passes through the second relay
Device connects discharge loop of the battery to load；
When accumulator voltage, which dropped to, puts shut-off voltage, the high electricity of upset output occurs for second voltage hysteresis comparator
Flat, it disconnects electric discharge of the battery to load by the second relay, and this, which is crossed, puts off state and be maintained to accumulator terminal electricity
Pressure rises to shut-off of discharging and recovers voltage, reaches that then the upset of first voltage hysteresis comparator is low electricity to electric discharge shut-off recovery voltage
It is flat, connect electric discharge of the battery to load.
Preferably, the logic control circuit includes the 3rd triode for NPN type, the base stage of the 3rd triode and transmitting
Photo resistance is connected between pole, its colelctor electrode by resistance connect VCC, its grounded emitter, the colelctor electrode of the 3rd triode and
The output end of first voltage hysteresis comparator connection and door jointly, the 3rd relay is connected with the output end of door by the 4th triode
Device, when being output as high level with door, the charging of the contacting photo-voltaic power supply of the 3rd relay to battery；
The output end of the second voltage hysteresis comparator connects the 4th relay by the 5th triode, works as second voltage
When the output end of hysteresis comparator is high level, the charging of the contacting mains supply of the 4th relay to battery；
Then, when overcharging in the evening, and do not overcharge when only putting in the evening, and light-sensitive element makes photo-voltaic power supply, civil power electricity
Source does not import charging, when cross in the evening puts, and light-sensitive element makes mains supply import charging, when overcharging daytime, light-sensitive element
Photo-voltaic power supply, mains supply is set not to import charging, when daytime, which does not overcharge, only to put, light-sensitive element imports photo-voltaic power supply
Charging, when daytime, which crosses, to put, light-sensitive element makes photo-voltaic power supply, mains supply import charging.
As a kind of preferred scheme, the first triode that the output end of the first voltage hysteresis comparator passes through NPN type
The first relay is connected, charging indicator light is connected in parallel on the coil two ends of the first relay, the normally-closed contact connection of the first relay
Power output end is connected after overcharging shut-off indicator lamp, its normally opened contact is connected to charge circuit of the power output end to battery
On；
The output end of the second voltage hysteresis comparator connects the second relay, mistake by the second triode of NPN type
The coil two ends that shut-off indicator lamp is connected in parallel on the second relay are put, the normally-closed contact of the second relay is connected to battery to load
Discharge loop on, discharge indicating lamp, which is connected, is connected in parallel on the two ends of battery after the normally-closed contact of the second relay.
Preferably, the input in the same direction of the first voltage hysteresis comparator is connected by first resistor reference voltage and
The reference voltage that the input in the same direction of second voltage hysteresis comparator is connected by second resistance is same reference voltage.
The beneficial effects of the utility model are：(1) thus automatic inflatable can be carried out with automatic detection battery status
Electricity and overcharge shut-off control, cross put shut-off control and charging shut-off recover control, electric discharge shut-off recover control, make battery
Voltage it is steady in a long-term in more normal scope, the operating efficiency and service life of battery can be improved；And can root
The adaptive switching for needing progress photo-voltaic power supply, mains supply according to logic is powered.
(2) as a kind of control logic, when overcharging in the evening, and do not overcharge when only putting in the evening, make photo-voltaic power supply,
Mains supply does not import charging, when cross in the evening puts, make mains supply import charging, when overcharging daytime, make photo-voltaic power supply,
Mains supply does not import charging, when daytime, which does not overcharge, only to put, and photo-voltaic power supply is imported charging, when daytime, which crosses, to put,
Photo-voltaic power supply, mains supply is set to import charging.
Brief description of the drawings
Fig. 1 is the circuit theory of the adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller embodiment of the utility model
Figure.
Fig. 2 is the circuit model figure of reverse voltage hysteresis comparator.
Fig. 3 is the transmission characteristic figure of reverse voltage hysteresis comparator.
Fig. 4 is the transmission characteristic figure of the first voltage hysteresis comparator for the battery that nominal voltage is 12V.
Fig. 5 is the transmission characteristic figure of the second voltage hysteresis comparator for the battery that nominal voltage is 12V.
Embodiment
The purpose of this utility model, technical scheme and advantage is more clearly understood, it is right below in conjunction with drawings and Examples
The utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this reality
With new, do not constitute to limitation of the present utility model.
On the contrary, the utility model covers any replacement made according to the utility model marrow, modification, equivalent method and side
Case.Further, it is detailed to describe some spies in examples below to make the public have a better understanding the utility model
Fixed detail section, but these specific detail sections are not limiting upon protection domain of the present utility model.
Reference picture 1-5：Adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller, including it is connected to battery two ends
First partial pressure branch road and the second partial pressure branch road, the sampled point connection first voltage hysteresis comparator U1A's of the first partial pressure branch road is anti-
To input, first voltage hysteresis comparator U1A input in the same direction passes through first resistor R1 connection reference voltage VsR, the first electricity
The first feedback resistance R2, first voltage hysteresis comparator are connected between pressure hysteresis comparator U1A input in the same direction and output end
U1A output end connection voltage-regulator diode ZD1, the sampling ratio and R1 and R2 ratio of the first partial pressure branch road of setting, makes first
Voltage hysteresis comparator U1A voltage limit of visiting crosses charge shutoff voltage, first voltage hysteresis comparator U1A corresponding to battery
Lower threshold voltage correspond to battery charging shut-off recover voltage；First voltage hysteresis comparator U1A is constituted and is overcharged ratio
Compared with；.
First triode Q1 the first relays of connection that the output end of the first voltage hysteresis comparator U1A passes through NPN type
The coil K1A of device, charging indicator light LED1 are connected in parallel on the coil K1A two ends of the first relay, and the contact of the first relay is double
Overcharged to switch K1B, K1B normally-closed contact connection and power output end is connected after shut-off indicator lamp LED2, K1B normally opened contact connects
Power output end is connected on on the charge circuit of battery；Power output end connection by logic control circuit control incision with
No photo-voltaic power supply, mains supply；
The sampled point connection second voltage hysteresis comparator U1B of second partial pressure branch road reverse input end, the second electricity
Pressure hysteresis comparator U1B input in the same direction passes through second resistance R3 connection reference voltage VsR, second voltage hysteresis comparator U1B
Input in the same direction and output end between connect the second feedback resistance R4, set the sampling ratio and R3 and R4 of the second partial pressure branch road
Ratio, make second voltage hysteresis comparator U1B lower threshold voltage correspond to battery mistake put shut-off voltage, second voltage
Hysteresis comparator U1B voltage limit of visiting recovers voltage corresponding to the electric discharge shut-off of battery；Second voltage hysteresis comparator U1B
Constituted to put and compared；
Second triode Q2 the second relays of connection that the output end of the second voltage hysteresis comparator U1B passes through NPN type
The coil K2A of device, crosses and puts the coil K2A two ends that shut-off indicator lamp LED3 is connected in parallel on the second relay, the contact of the second relay
For two-way switch K2B, K2B normally-closed contact is connected to battery on the discharge loop of load, discharge indicating lamp LED4 connections
The two ends of battery are connected in parallel on after K2B normally-closed contact.
Thus it is possible to realize, when accumulator voltage rose to charge shutoff voltage, first voltage hysteresis comparator
Upset output low level occurs for U1A, now the first triode Q1 cut-offs of NPN type, the not upper electricity of coil K1A of the first relay,
Two-way switch K1B normally opened contact disconnects the charging to battery, simultaneously bi-directionally switchs K1B normally-closed contact and also makes to overcharge shut-off
Indicator lamp LED2 is lighted, and this, which overcharges off state and is maintained to accumulator voltage and is reduced to charging and turns off, recovers voltage, reaches
Recovering voltage to charging shut-off, then the upset of first voltage hysteresis comparator is high level, and now the first triode Q1 of NPN type is led
It is logical, electric on the coil K1A of the first relay, two-way switch K1B normally opened contact closure, the output end that switches on power is to battery
Charging, the upper electricity of K1A also lights charging indicator light LED1；
Thus it is possible to realize, when accumulator voltage, which dropped to, puts shut-off voltage, second voltage hysteresis comparator
Upset output high level occurs for U1B, now the second triode Q2 conductings of NPN type, electricity on the coil K2A of the second relay, double
Disconnected to switch K2B normally-closed contact, battery is disconnected the electric discharge to load, the upper electricity of K2A also made to put shut-off indicator lamp
LED3 is lighted, and this, which crosses to put off state and be maintained to accumulator voltage and rise to electric discharge and turn off, recovers voltage, reaches electric discharge
Shut-off recovers voltage, and then the upset of first voltage hysteresis comparator is low level, now the second triode Q2 cut-offs of NPN type, second
The not upper electricity of the coil K2A of relay, two-way switch K2B normally-closed contact closure connects electric discharge of the battery to load, K2B's
Normally-closed contact closure also lights discharge indicating lamp LED4.OUT1 in Fig. 1 is electric discharge port of the battery to load.
In the present embodiment, what the input in the same direction of the first voltage hysteresis comparator U1A was connected by first resistor R1
The reference voltage that reference voltage and second voltage hysteresis comparator U1B input in the same direction are connected by second resistance R3 is using same
One reference voltage, the two can also use in different reference voltages, the present embodiment, be provided by already present voltage-regulator diode ZD3
(can also be provided using other convenient voltage sources obtained).
Below so that nominal voltage is 12V battery as an example, illustrate how to determine the sampling system of first, second partial pressure branch road
The resistance ratio of number and first, second voltage hysteresis comparator.
The voltage limit of visiting of first voltage hysteresis comparatorLower threshold voltageWherein VRFor the reference voltage of first voltage hysteresis comparator, VZFor output end voltage-regulator diode ZD1's
Voltage stabilizing value, makes the voltage limit V that visitsp1=cross charge shutoff voltage 14.5V, lower threshold voltage Vp2=charging shut-off recovers voltage
Set reference voltage in 13.8V, the present embodiment to be provided as 5.1V voltage-regulator diode ZD3 by voltage stabilizing value, set ZD1=5V, then,
By 1. formula divided by 2. formula, first resistor R1 and the first feedback resistance R2 ratio can be obtained, the ratio is brought into
1. formula, can obtain downsampling factor X value.The downsampling factor of first partial pressure branch road in Fig. 1
Similarly, the voltage limit of visiting of second voltage hysteresis comparatorRation the power supply Xiamen
PressureWherein VR2For the reference voltage of second voltage hysteresis comparator, VZFor output end voltage-regulator diode ZD2
Voltage stabilizing value, order visits voltage limit Vp1=electric discharge shut-off recovers voltage 11.5V, lower threshold voltage Vp2=cross and put shut-off voltage
11V, sets reference voltage and is provided in the lump as 5.1V ZD3 by voltage stabilizing value, sets ZD1=5V, then can calculate the second partial pressure
The downsampling factor and second resistance R3 of branch road and the second feedback resistance R4 ratio, process is ibid；
Above-mentioned formula can be found in higher education version, Basic Analog Electronics (fourth edition), page 430, in the schematic diagram of this page-
Here be 0 to UZ, so the Section 2 of lower threshold voltage is zero, has been simplified to above-mentioned formula.The formula is referring also to Nankai
Version, analog circuit basis.
In Fig. 1, first voltage hysteresis comparator U1A and second voltage hysteresis comparator U1B pass through three-terminal voltage regulator
U2 powers, and U2 may be implemented in steady in the case that input voltage changes using chip LM317, LM317 input connection battery
Pressure output, regulation R8 and R9 ratio can change the size of output voltage, the LM317 electricity of output end VCC1 connections first, second
Press the positive power source terminal of hysteresis comparator.
R12, R20, R7 correspond to voltage-regulator diode ZD1, ZD2, ZD3 current-limiting resistance.
The operation principle of reverse voltage hysteresis comparator explained below.Fig. 2 is the circuit mould of reverse voltage hysteresis comparator
Type figure, Fig. 3 is the transmission characteristic figure of reverse voltage hysteresis comparator, and only when input voltage reaches the U upper limits, reverse voltage is slow
Stagnant comparator just exports low level, as long as hereafter input voltage is not reduced to U lower limits and then persistently exports low level, only works as input
When voltage is reduced to U lower limits, reverse voltage hysteresis comparator just overturns output high level, as long as hereafter input voltage does not rise to
The U upper limits then persistently export high level.
By taking nominal voltage 12V battery as an example, Fig. 4 is first voltage hysteresis comparator U1A transmission characteristic figure, its structure
Into charge circuit, wherein, the U upper limits are 14.5V, and U lower limits are 13.8V.Fig. 5 is special for second voltage hysteresis comparator U1B transmission
Property figure, it constitutes discharge loop, in figure, and the U upper limits are 12V, and U lower limits are 11V.
Alternatively, in the present embodiment, as shown in figure 1, the logic control circuit passes through photosensitive member
Part recognizes daytime and evening, and it includes the 3rd triode Q3 for NPN type, connects between the 3rd triode Q3 base stage and emitter stage
Photo resistance R light is connect, its base stage and colelctor electrode connect VCC, its grounded emitter, the 3rd triode Q3 colelctor electrode by resistance
Connected jointly and door U3A with first voltage hysteresis comparator U1A output end, the 4th triode is passed through with door U3A output end
The relay K3 of Q4 connections the 3rd, when being output as high level with door U3A, the 3rd relay K3 contacting photo-voltaic power supply is to storing
The charging of battery；
The output end of the second voltage hysteresis comparator U1B by the relay K4 of the 5th triode Q5 connections the 4th, when
When second voltage hysteresis comparator U1B output end is high level, the 4th relay K4 contacting mains supply is to electric power storage
The charging in pond.
When having illumination daytime, small resistor is presented in photo resistance R light, and the 3rd triode Q3 base stage is low level, the 3rd
Triode Q3 is not turned on, its colelctor electrode output high level, and when not having illumination at night, big resistance, the 3rd is presented in photo resistance R light
Triode Q3 base stage is high level, the 3rd triode Q3 conductings, its colelctor electrode output low level.
In Fig. 1, with door in the presence of, YG=QG·QC, in addition, YS=QF；Under this logic, it is possible to achieve, work as evening
When overcharging, and do not overcharge when only putting in the evening, and light-sensitive element makes photo-voltaic power supply, mains supply not import charging, that night
When upper mistake is put, light-sensitive element makes mains supply import charging, and when overcharging daytime, light-sensitive element makes photo-voltaic power supply, mains supply
Charging is not imported, when daytime, which does not overcharge, only to put, light-sensitive element makes photo-voltaic power supply importing charging, and (purpose is that daytime is maximum
Limit is charged using photovoltaic electric energy), when daytime, which crosses, to put, light-sensitive element makes photo-voltaic power supply, mains supply import charging.
Following table one is the logic realization form of above-mentioned logic control circuit.
It should be noted that cross charge shutoff voltage, charging shut-off that nominal voltage is 12V battery recover voltage, put
Electricity shut-off voltage, electric discharge shut-off recover 14.5V, 13.8V, 11V, 12V that voltage is not limited only in above-described embodiment, can be one
Determine to adjust in scope.Such as, it is preferable that it can be 14.1~14.5V to cross charge shutoff voltage, and charging shut-off recovers voltage can be with
For 13.1~13.5V, electric discharge shut-off voltage can be 10.8~11.5V, and it can be 11.5~12V that electric discharge shut-off, which recovers voltage,.
Battery in the utility model is also not limited to 12V, can also be the battery of other nominal voltages.
Above-described embodiment is only enumerating for the utility model technical concept way of realization, not new to limit this practicality
The protection domain of type, all equivalent substitutions made according to technical concept of the present utility model and improvement etc., should be included in this practicality
Within new protection domain.
Claims (6)
1. adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller, it is characterised in that：Including being connected to battery two ends
First partial pressure branch road and the second partial pressure branch road, the sampled point of the first partial pressure branch road connect the reverse defeated of first voltage hysteresis comparator
Enter end, the input in the same direction of first voltage hysteresis comparator passes through first resistor R1 connection reference voltages, first voltage sluggishness ratio
Compared with the first feedback resistance R2 is connected between the input in the same direction and output end of device, the sampling ratio and R1 of the first partial pressure branch road are set
With R2 ratio, make visit cross charge shutoff voltage of the voltage limit corresponding to battery, the first electricity of first voltage hysteresis comparator
The lower threshold voltage of hysteresis comparator is pressed to correspond to the charging shut-off recovery voltage of battery；
The output end of first voltage hysteresis comparator connects power output end by the first relay, and the first relay is normally opened
Contact portion is on charge circuit of the power output end to battery, and the power output end connection is by logic control circuit control
Photo-voltaic power supply, the mains supply whether cut；
When accumulator voltage rose to charge shutoff voltage, upset output low level occurs for first voltage hysteresis comparator,
Its charging by the first relay deenergization output end to battery, this overcharges off state and is maintained to accumulator terminal
Voltage is reduced to shut-off of charging and recovers voltage, reaches that then the upset of first voltage hysteresis comparator is high electricity to charging shut-off recovery voltage
It is flat, charging of the output end that switches on power to battery；
The sampled point of the second partial pressure branch road connects the reverse input end of second voltage hysteresis comparator, second voltage sluggishness ratio
Compared with device input in the same direction by second resistance R3 connection reference voltages, the input in the same direction of second voltage hysteresis comparator and defeated
Go out between holding and connect the second feedback resistance R4, set R3 and R4 ratio and the sampling ratio of the second partial pressure branch road, make the second electricity
The mistake that the lower threshold voltage of pressure hysteresis comparator corresponds to battery puts shut-off voltage, the Upper threshold of second voltage hysteresis comparator
The electric discharge shut-off that voltage corresponds to battery recovers voltage；The output end of second voltage hysteresis comparator is connected by the second relay
Connect discharge loop of the battery to load；
When accumulator voltage, which dropped to, puts shut-off voltage, upset output high level occurs for second voltage hysteresis comparator,
It disconnects electric discharge of the battery to load by the second relay, and this, which is crossed, puts off state and be maintained on accumulator voltage
Rise to shut-off of discharging and recover voltage, reach that then the upset of first voltage hysteresis comparator is low level to electric discharge shut-off recovery voltage, is connect
Logical electric discharge of the battery to load.
2. adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller as claimed in claim 1, it is characterised in that：It is described to patrol
Collecting control circuit includes the 3rd triode for NPN type, and photo resistance is connected between the base stage and emitter stage of the 3rd triode, its
Colelctor electrode connects VCC by resistance, its grounded emitter, the colelctor electrode of the 3rd triode and first voltage hysteresis comparator it is defeated
Go out the common connection in end and door, the 3rd relay is connected by the 4th triode with the output end of door, when being output as high level with door
When, the charging of the contacting photo-voltaic power supply of the 3rd relay to battery；
The output end of the second voltage hysteresis comparator connects the 4th relay by the 5th triode, when second voltage is sluggish
When the output end of comparator is high level, the charging of the contacting mains supply of the 4th relay to battery；
Then, when overcharging in the evening, and do not overcharge when only putting in the evening, and light-sensitive element makes photo-voltaic power supply, mains supply equal
Charging is not imported, and when cross in the evening puts, light-sensitive element makes mains supply import charging, and when overcharging daytime, light-sensitive element makes light
Volt power supply, mains supply do not import charging, when daytime, which does not overcharge, only to put, and light-sensitive element fills photo-voltaic power supply importing
Electricity, when daytime, which crosses, to put, light-sensitive element makes photo-voltaic power supply, mains supply import charging.
3. adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller as claimed in claim 1 or 2, it is characterised in that：Institute
The output end for stating first voltage hysteresis comparator connects the first relay by the first triode of NPN type, and charging indicator light is simultaneously
The coil two ends of the first relay are associated in, the normally-closed contact connection of the first relay overcharges connection power supply output after shut-off indicator lamp
End, its normally opened contact is connected to power output end on the charge circuit of battery；
The output end of the second voltage hysteresis comparator connects the second relay by the second triode of NPN type, crosses and puts pass
Disconnected indicator lamp is connected in parallel on the coil two ends of the second relay, and the normally-closed contact of the second relay is connected to battery and load is put
On electrical circuit, discharge indicating lamp connects the two ends that battery is connected in parallel on after the normally-closed contact of the second relay.
4. adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller as claimed in claim 1, it is characterised in that：Described
Reference voltage that the input in the same direction of one voltage hysteresis comparator is connected by first resistor and second voltage hysteresis comparator
The reference voltage that input in the same direction is connected by second resistance is same reference voltage.
5. adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller as claimed in claim 1, it is characterised in that：Described
The power supply of one voltage hysteresis comparator and second voltage hysteresis comparator is powered by three-terminal voltage regulator LM317, and LM317's is defeated
Enter end connection battery, voltage stabilizing is exported in the case of may be implemented in input voltage change, LM317 output end VCC1 connections the
First, the positive power source terminal of second voltage hysteresis comparator.
6. adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller as claimed in claim 4, it is characterised in that：Work as electric power storage
When the nominal voltage in pond is 12V, the same reference voltage is provided by voltage stabilizing value for 5.1V voltage-regulator diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180371.1U CN206619918U (en) | 2017-02-27 | 2017-02-27 | Adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720180371.1U CN206619918U (en) | 2017-02-27 | 2017-02-27 | Adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller |
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| Publication Number | Publication Date |
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| CN206619918U true CN206619918U (en) | 2017-11-07 |
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| CN201720180371.1U Expired - Fee Related CN206619918U (en) | 2017-02-27 | 2017-02-27 | Adaptive photovoltaic mains hybrid accumulator cell charging and discharging controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953378A (en) * | 2017-02-27 | 2017-07-14 | 衢州职业技术学院 | Self adaptation photovoltaic mains hybrid accumulator cell charging and discharging controller |
-
2017
- 2017-02-27 CN CN201720180371.1U patent/CN206619918U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953378A (en) * | 2017-02-27 | 2017-07-14 | 衢州职业技术学院 | Self adaptation photovoltaic mains hybrid accumulator cell charging and discharging controller |
| CN106953378B (en) * | 2017-02-27 | 2023-10-27 | 衢州职业技术学院 | Self-adaptive photovoltaic commercial power complementary storage battery charge-discharge controller |
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Granted publication date: 20171107 |