CN206977128U - The battery protection system of new energy - Google Patents
The battery protection system of new energy Download PDFInfo
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- CN206977128U CN206977128U CN201720995314.9U CN201720995314U CN206977128U CN 206977128 U CN206977128 U CN 206977128U CN 201720995314 U CN201720995314 U CN 201720995314U CN 206977128 U CN206977128 U CN 206977128U
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- batteries
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- battery
- voltage
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Abstract
The utility model discloses the battery protection system of new energy, the input connection energy source systems of filter circuit of pressure-stabilizing, the output end connection booster circuit of filter circuit of pressure-stabilizing, the output end connection automatic switch-over circuit of booster circuit, automatic switch-over circuit connects the first batteries and the second batteries, first voltage feedback circuit is connected in first batteries, first voltage feedback circuit is connected to automatic switch-over circuit, first switch is provided between first batteries and load, second voltage feedback circuit is connected in second batteries, second voltage feedback circuit is connected to automatic switch-over circuit, second switch is provided between second batteries and load.By detecting and comparing the voltage of two batteries, switching circuit is controlled, is realized between two batteries and corresponding load switch; the switching of charge and discharge; avoid same group storage battery charge and discharge while carry out, reach the purpose of protection battery, increasing storage battery service life.
Description
Technical field
It the utility model is related to a kind of battery protection system of new energy.
Background technology
At present, as the development of science and technology, the energy face a crisis so that new energy technology constantly develops, for example, solar energy
The technologies such as photovoltaic generation, wind-power electricity generation.Usually, electric energy caused by photovoltaic generation, wind-power electricity generation etc. needs to be carried out with battery
Storage.So battery can be faced with discharges in charging, or the situation that battery is excessively put using the mistake brought.These are all
Life-span to battery brings certain damage.In order to avoid the service life reduction of battery caused by the above situation, occur one
A little technical schemes, such as, Chinese patent CN200910179744.3 discloses a kind of storage battery protecting device, and given threshold control stores
Battery discharge, but remain to slowly discharge when less than threshold value, it is impossible to fundamentally prevent battery over-discharge from causing
Service lifetime of accumulator reduction.
Utility model content
The purpose of this utility model is to overcome the shortcomings of the prior art, there is provided a kind of battery of new energy is protected
Protecting system.
The purpose of this utility model is achieved through the following technical solutions：
The battery protection system of new energy, feature are：Cut comprising filter circuit of pressure-stabilizing, booster circuit and automatically
Change circuit, the input connection energy source systems of the filter circuit of pressure-stabilizing, the output end connection boosting of filter circuit of pressure-stabilizing
Circuit, the output end connection automatic switch-over circuit of booster circuit, automatic switch-over circuit connect the first batteries and the second electric power storage
Pond group, connects first voltage feedback circuit in the first batteries, and first voltage feedback circuit is connected to automatic switch-over circuit, and first
First switch is provided between batteries and load, second voltage feedback circuit, second voltage are connected in the second batteries
Feedback circuit is connected to automatic switch-over circuit, and second switch is provided between the second batteries and load.
Further, the battery protection system of above-mentioned new energy, wherein, the first switch and second switch
Connected by Control.
The utility model has the advantages of notable and beneficial effect compared with prior art, embodies in the following areas：
The utility model controls switching circuit by detecting and comparing the voltage of two batteries, with single-chip microcomputer, realizes
Between two batteries and corresponding load switch, the switching of charge and discharge；Same group storage battery charging is avoided with putting
Electricity is carried out simultaneously, is finally reached the purpose of protection battery；For battery real time charging and increasing storage battery service life.
Brief description of the drawings
Fig. 1：Electrical block diagram of the present utility model；
Fig. 2：The operation principle schematic diagram of automatic switch-over circuit.
Embodiment
In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, now describe in detail specific
Embodiment.
As shown in figure 1, the battery protection system of new energy, comprising filter circuit of pressure-stabilizing 2, booster circuit 3 and
Automatic switch-over circuit 4, the input connection energy source systems 1 of filter circuit of pressure-stabilizing 2, the output end of filter circuit of pressure-stabilizing 2 connects
Booster circuit 3, the output end connection automatic switch-over circuit 4 of booster circuit 3 are connect, automatic switch-over circuit 4 connects the first batteries 5
With the second batteries 8, connect first voltage feedback circuit 7 in the first batteries 5, first voltage feedback circuit 7 be connected to from
Dynamic switching circuit 4, is provided with first switch 6 between the first batteries 5 and load 11, second is connected in the second batteries 8
Voltage feedback circuit 10, second voltage feedback circuit 10 is connected to automatic switch-over circuit 4, between the second batteries 8 and load 11
It is provided with second switch 9.
Energy source systems 1 can be the novel energy that solar film battery or wind-power electricity generation etc. can produce electric energy
System.
Filter circuit of pressure-stabilizing 2 can alleviate the unstable phenomenon of caused electric energy, ensure the stability of system.
The voltage that booster circuit 3 obtains rectification is raised to the voltage required for battery charging.
Automatic switch-over circuit 4 controls the operation of whole system, when controlling charge and discharge, mutually cutting between batteries
Change.
Voltage feedback circuit mainly has voltage sensor, and the voltage of batteries is detected in real time, and will
The voltage signal of collection, automatic switch-over circuit 4 is delivered to, so as to realize the switching to battery charging.
Switch is provided between batteries and load, switch plays a part of controlling batteries electric discharge.
The electric energy provided by new energy, after shaping filter and boosting, reach the voltage required for batteries.
Voltage feedback circuit gathers the voltage of two batteries, and is delivered to automatic switch-over circuit 4, with the threshold value being previously set
It is compared.
First determine whether the first batteries 5 and the second batteries 8 are below the threshold value of setting, if it is, right
First batteries 5 or the second batteries 8 are charged, and simultaneously switch off load, stop electricity output.If the first electric power storage
Whether the batteries 8 of pond group 5 and second are not below given threshold, then judge the voltage of the first batteries 5 less than setting threshold
Value.If the first batteries 5 are less than given threshold, the first batteries 5 are charged, and second switch 9 is closed
Close so that the second batteries 8 are discharged.If the first batteries 5 are higher than given threshold, judge that the second batteries 8 are
It is no to be less than given threshold, if it is, being charged to the second batteries 8, while first switch 6 is closed so that the first electric power storage
Pond group 5 is discharged；If it is not, then compare the voltage of the first batteries 5 and the second batteries 8.Now, will be first to low electricity
The batteries of amount are charged.The switch of opposite label is opened, and corresponding batteries are discharged.Batteries driving is negative
Carry, accumulator battery voltage will be caused to reduce, detecting element is monitored, fed back in real time, then is rejudged.
During concrete application, the system is applied to common electric car, and its energy Origination section can select solar energy film
Input of the battery as energy, charging voltage is controlled in 60V or so by filter circuit of pressure-stabilizing 2 and booster circuit 3, is 48V
Batteries power supply.First switch 6, second switch 9 can be realized with relay.Control relay acts, and controls batteries
Discharge and recharge, be main load --- direct-drive motor power, so as to realize the function of whole system.
As shown in Figure 2.Specifically, according to the design under-voltage value of existing electric car, the threshold value of system can be arranged to
42V, i.e. V=42v.So, during the start-up operation of switching circuit work, the first batteries 5 and the second battery are first determined whether
Whether the voltage of group 8 is below 42V, if it is, being charged to the first batteries 5 or the second batteries 8, simultaneously switches off
Load, stop electricity output.If the voltage of the first batteries 5 and the second batteries 8 is not below 42V, the is judged
Whether the voltage of one batteries 5 is less than 42V.If it is, charged to the first batteries 5, and by second switch 9
Closure so that the second batteries 8 are discharged.If the voltage of the first batteries 5 is higher than 42V, the second batteries 8 are judged
Whether it is less than 42V, if it is, being charged to the second batteries 8, while first switch 6 is closed so that the first batteries
5 electric discharges.If it is not, then compare the voltage of the first batteries 5 and the second batteries 8.Now, by first to low battery
Batteries are charged.The switch of opposite label is opened, and corresponding batteries are discharged.Batteries driving load, will
Accumulator battery voltage is caused to reduce, detecting element is monitored, fed back in real time, then is rejudged.
In summary, the utility model is controlled with single-chip microcomputer and switched by detecting and comparing the voltage of two batteries
Circuit, is realized between two batteries and corresponding load switch, the switching of charge and discharge.Avoid same group storage battery
Charge and discharge is carried out simultaneously, is finally reached the purpose of protection battery.For battery real time charging, extend battery and use the longevity
Life.
It should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this practicality
New interest field；Description more than simultaneously, should can understand and implement for the special personage of correlative technology field, therefore its
It should be included in claim without departing from the equivalent change or modification completed under the spirit disclosed in the utility model
In.
Claims (2)
1. the battery protection system of new energy, it is characterised in that：Include filter circuit of pressure-stabilizing, booster circuit and automatic
Switching circuit, the input connection energy source systems of the filter circuit of pressure-stabilizing, the output end connection of filter circuit of pressure-stabilizing rise
Volt circuit, the output end connection automatic switch-over circuit of booster circuit, automatic switch-over circuit connect the first batteries and second and stored
Battery pack, first voltage feedback circuit being connected in the first batteries, first voltage feedback circuit is connected to automatic switch-over circuit, the
First switch is provided between one batteries and load, second voltage feedback circuit, the second electricity are connected in the second batteries
Pressure feedback circuit is connected to automatic switch-over circuit, and second switch is provided between the second batteries and load.
2. the battery protection system of new energy according to claim 1, it is characterised in that：The first switch and
Second switch is connected by Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720995314.9U CN206977128U (en) | 2017-08-10 | 2017-08-10 | The battery protection system of new energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720995314.9U CN206977128U (en) | 2017-08-10 | 2017-08-10 | The battery protection system of new energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206977128U true CN206977128U (en) | 2018-02-06 |
Family
ID=61393994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720995314.9U Expired - Fee Related CN206977128U (en) | 2017-08-10 | 2017-08-10 | The battery protection system of new energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206977128U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248771A (en) * | 2017-08-10 | 2017-10-13 | 温州大学 | The battery protection system and its method of new energy |
| CN113346609A (en) * | 2021-08-05 | 2021-09-03 | 深圳市慧航星科技有限公司 | Unmanned aerial vehicle three-dimensional monitoring method, device, computer readable storage medium and system |
-
2017
- 2017-08-10 CN CN201720995314.9U patent/CN206977128U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107248771A (en) * | 2017-08-10 | 2017-10-13 | 温州大学 | The battery protection system and its method of new energy |
| CN113346609A (en) * | 2021-08-05 | 2021-09-03 | 深圳市慧航星科技有限公司 | Unmanned aerial vehicle three-dimensional monitoring method, device, computer readable storage medium and system |
| CN113346609B (en) * | 2021-08-05 | 2021-11-05 | 深圳市慧航星科技有限公司 | Unmanned aerial vehicle three-dimensional monitoring method, device, computer readable storage medium and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180206 Termination date: 20190810 |