CN203278292U - Super-capacitor module voltage equalization circuit - Google Patents
Super-capacitor module voltage equalization circuit Download PDFInfo
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- CN203278292U CN203278292U CN 201320187008 CN201320187008U CN203278292U CN 203278292 U CN203278292 U CN 203278292U CN 201320187008 CN201320187008 CN 201320187008 CN 201320187008 U CN201320187008 U CN 201320187008U CN 203278292 U CN203278292 U CN 203278292U
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Abstract
The utility model discloses a super-capacitor module voltage equalization circuit. The super-capacitor module voltage equalization circuit comprises a voltage monitoring circuit, an overvoltage discharging circuit and an overvoltage alarming circuit. The voltage monitoring circuit is connected with a super-capacitor unit, and monitors the voltage of the super-capacitor unit in real time. When the voltage of the super-capacitor unit exceeds a preset value, the voltage monitoring circuit triggers the overvoltage discharging circuit connected with the voltage monitoring circuit to discharge the super-capacitor unit, and triggers the overvoltage alarming circuit connected with the voltage monitoring circuit to alarm. When the voltage of the super-capacitor unit is discharged to a value within the preset value by the overvoltage discharging circuit, the voltage monitoring circuit triggers the overvoltage discharging circuit to stop discharging the super-capacitor unit. By employing the super-capacitor module voltage equalization circuit, when a super-capacitor module is charged, the charging voltage of each super-capacitor unit cannot exceed the preset value, and the safety and reliability of the application of the super-capacitor module are ensured.
Description
Technical field
The utility model relates to the technical field of super capacitor, more particularly, relates to a kind of super capacitor module voltage balance circuit.
Background technology
Super capacitor is a kind of novel energy-storage travelling wave tube, can produce multiple energy storage device.Super capacitor is the vast capacity that utilizes the double-decker acquisition of active carbon porous electrode and electrolyte ingredient, and its performance has higher power density and suitable energy density between traditional capacitance and storage battery.At aspects such as electric power, hoisting equipment, railway, communication, national defence, consumer electronics products, huge using value and market potential are arranged, by countries in the world institutes extensive concern.
Generally not higher than 3V, therefore a plurality of super capacitor monomer series and parallels the ultracapacitor module need to be constituted due to super capacitor monomer operating voltage, real application systems could be satisfied to the needs of voltage and energy grade.But because the capacity of each super capacitor monomer in module is difficult to guarantee identical, be difficult to also guarantee that each super capacitor monomer electric leakage is also identical, therefore can cause the charging voltage of each super capacitor monomer different, easily cause the capacitor overvoltage to damage in the process of charging.
The utility model content
In view of this, the utility model provides a kind of super capacitor module voltage balance circuit, can realize the overvoltage protection to each super capacitor monomer in the super capacitor module, guarantees the safety and reliability that the super capacitor module is used.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of super capacitor module voltage balance circuit comprises: voltage monitoring circuit, overvoltage discharge circuit and over voltage alarm circuit; Wherein:
Described voltage monitoring circuit is connected with the super capacitor monomer, the voltage of Real Time Monitoring super capacitor monomer;
When the voltage of described super capacitor monomer surpassed preset value, described voltage monitoring circuit triggered connected overvoltage discharge circuit described super capacitor monomer is discharged, and triggers connected over voltage alarm circuit alarm;
When described overvoltage discharge circuit was discharged to the voltage of described super capacitor monomer in described preset value, described voltage monitoring circuit triggers described overvoltage discharge circuit to be stopped described super capacitor monomer is discharged.
Preferably, described voltage monitoring circuit comprises voltage detector;
Described voltage detector is connected with described super capacitor monomer, the voltage of the described super capacitor monomer of Real Time Monitoring, when the voltage of described super capacitor monomer surpasses preset value, described voltage detector output high level triggers connected described overvoltage discharge circuit described super capacitor monomer is discharged, and triggers connected over voltage alarm circuit alarm;
When the voltage after overdischarge was in preset value, described voltage detector triggers described overvoltage discharge circuit to be stopped described super capacitor monomer is discharged when described super capacitor monomer.
Preferably, described overvoltage discharge circuit comprises: power tube, triode and the first resistance; Wherein:
The base stage of described power tube is connected with voltage detector with the collector electrode of described triode respectively, emitter respectively with the base stage of described triode be connected an end of resistance and be connected;
The other end of described the first resistance is connected with voltage detector with the emitter of described triode respectively.
Preferably, described power tube is Darlington power transistor.
Preferably, it is characterized in that, described over voltage alarm circuit comprises: field effect transistor, optocoupler, the second resistance and the 3rd resistance; Wherein:
The grid of described field effect transistor is connected with source electrode with described voltage detector and is connected;
One end of described the second resistance respectively with the drain electrode of described field effect transistor be connected optocoupler and be connected, the other end is connected with the collector electrode of described power tube and an end of the 3rd resistance respectively;
The other end of described the 3rd resistance is connected with described optocoupler.
can find out from above-mentioned technical scheme, the disclosed a kind of super capacitor module voltage balance circuit of the utility model, by voltage monitoring circuit in real time to the monitoring of super capacitor monomer voltage, when the voltage of super capacitor monomer surpasses preset value, voltage monitoring circuit triggers connected overvoltage discharge circuit the super capacitor monomer is discharged, and trigger connected over voltage alarm circuit alarm, until the super capacitor monomer is when the voltage after overdischarge is in preset value, voltage monitoring circuit triggers the overvoltage discharge circuit to be stopped the super capacitor monomer is discharged, guaranteed when the super capacitor module is charged, the charging voltage of each super capacitor monomer can not surpass preset value, and then guaranteed the safety and reliability that the super capacitor module is used.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of super capacitor module voltage balance circuit of the utility model embodiment;
Fig. 2 is the circuit diagram of the disclosed a kind of super capacitor module voltage balance circuit of another embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses the utility model a kind of super capacitor module voltage balance circuit is provided, and can realize the overvoltage protection to each super capacitor monomer in the super capacitor module, guarantees the safety and reliability that the super capacitor module is used.
As shown in Figure 1, a kind of super capacitor module voltage balance circuit comprises: voltage monitoring circuit 11, overvoltage discharge circuit 12 and over voltage alarm circuit 13; Wherein:
When the voltage of super capacitor monomer surpassed preset value, voltage monitoring circuit 11 triggered 12 pairs of super capacitor monomers of connected overvoltage discharge circuit and discharges, and triggered connected over voltage alarm circuit 13 and report to the police;
Served as when pressing circuit 12 and being discharged to the voltage of super capacitor monomer in preset value, voltage monitoring circuit 11 triggers overvoltage discharge circuits 12 to be stopped the super capacitor monomer is discharged.
In the above-described embodiments, equal independent corresponding cover voltage monitoring circuit, overvoltage discharge circuit and the over voltage alarm circuit of each the super capacitor monomer in the super capacitor module.
by voltage monitoring circuit, the voltage of connected super capacitor monomer is carried out Real Time Monitoring, when the voltage of super capacitor monomer surpasses preset value in voltage monitoring circuit, voltage monitoring circuit triggers connected overvoltage discharge circuit the super capacitor monomer is discharged, and trigger connected over voltage alarm circuit alarm, when the overvoltage warning circuit is reported to the police, operating personnel stop this super capacitor monomer is charged immediately, and by the overvoltage discharge circuit, this super capacitor monomer is discharged, until the super capacitor monomer is when the voltage after overdischarge is in preset value, voltage monitoring circuit triggers the overvoltage discharge circuit to be stopped the super capacitor monomer is discharged, therefore, the super capacitor module voltage balance circuit that the utility model embodiment provides, guaranteed when the super capacitor module is charged, the charging voltage of each super capacitor monomer can not surpass preset value, and then guaranteed the safety and reliability that the super capacitor module is used.
Another embodiment of the present utility model also discloses a kind of super capacitor module voltage balance circuit, as shown in Figure 2, comprising: voltage detector U1, power tube Q3, triode Q2, the first resistance R 1, field effect transistor Q1, optocoupler U2, the second resistance R 2 and the 3rd resistance R 3; Wherein:
Power tube Q3, triode Q2 and the first resistance R 1 consist of the overvoltage discharge circuit, and the base stage of power tube Q3 is connected with voltage detector U1 with the collector electrode of triode Q2 respectively, emitter respectively with the base stage of triode Q2 be connected an end of resistance and be connected;
The other end of the first resistance R 1 is connected with voltage detector U1 with the emitter of triode Q2 respectively;
Field effect transistor Q1, optocoupler U2, the second resistance R 2 and the 3rd resistance R 3 consist of the over voltage alarm circuit, and the grid of field effect transistor Q1 is connected with source electrode with voltage detector U1 and is connected;
One end of the second resistance R 2 is connected with optocoupler U2 with the drain electrode of field effect transistor Q1 respectively, and the other end is connected with the 3rd resistance R 3 one ends with the collector electrode of power tube Q3 respectively;
The other end of the 3rd resistance R 3 is connected with optocoupler.
Concrete, power tube is Darlington power transistor.
in the above-described embodiments, the corresponding super capacitor monomer of each voltage detector U1, the voltage of the connected super capacitor monomer of Real Time Monitoring, when the voltage of super capacitor monomer surpasses preset value, voltage detector U1 output high level triggers connected by power tube Q3, the overvoltage discharge circuit that triode Q2 and the first resistance R 1 consist of discharges to the super capacitor monomer, and trigger connected by field effect transistor Q1, optocoupler U2, the over voltage alarm circuit that the second resistance R 2 and the 3rd resistance R 3 consist of is reported to the police, when the overvoltage warning circuit is reported to the police, operating personnel stop this super capacitor monomer is charged immediately, when the super capacitor monomer when the voltage after overdischarge is in preset value, voltage detector U1 triggers the overvoltage discharge circuit to be stopped the super capacitor monomer is discharged.Therefore, the super capacitor module voltage balance circuit that the utility model embodiment provides, guaranteed when the super capacitor module is charged, the charging voltage of each super capacitor monomer can not surpass preset value, and then has guaranteed the safety and reliability that the super capacitor module is used.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a super capacitor module voltage balance circuit, is characterized in that, comprising: voltage monitoring circuit, overvoltage discharge circuit and over voltage alarm circuit; Wherein:
Described voltage monitoring circuit is connected with the super capacitor monomer, the voltage of Real Time Monitoring super capacitor monomer;
When the voltage of described super capacitor monomer surpassed preset value, described voltage monitoring circuit triggered connected overvoltage discharge circuit described super capacitor monomer is discharged, and triggers connected over voltage alarm circuit alarm;
When described overvoltage discharge circuit was discharged to the voltage of described super capacitor monomer in described preset value, described voltage monitoring circuit triggers described overvoltage discharge circuit to be stopped described super capacitor monomer is discharged.
2. circuit according to claim 1, is characterized in that, described voltage monitoring circuit comprises voltage detector;
Described voltage detector is connected with described super capacitor monomer, the voltage of the described super capacitor monomer of Real Time Monitoring, when the voltage of described super capacitor monomer surpasses preset value, described voltage detector output high level triggers connected described overvoltage discharge circuit described super capacitor monomer is discharged, and triggers connected over voltage alarm circuit alarm;
When the voltage after overdischarge was in preset value, described voltage detector triggers described overvoltage discharge circuit to be stopped described super capacitor monomer is discharged when described super capacitor monomer.
3. circuit according to claim 2, is characterized in that, described overvoltage discharge circuit comprises: power tube, triode and the first resistance; Wherein:
The base stage of described power tube is connected with voltage detector with the collector electrode of described triode respectively, emitter respectively with the base stage of described triode be connected an end of resistance and be connected;
The other end of described the first resistance is connected with voltage detector with the emitter of described triode respectively.
4. circuit according to claim 3, is characterized in that, described power tube is Darlington power transistor.
5. circuit according to claim 3, is characterized in that, described over voltage alarm circuit comprises: field effect transistor, optocoupler, the second resistance and the 3rd resistance; Wherein:
The grid of described field effect transistor is connected with source electrode with described voltage detector and is connected;
One end of described the second resistance respectively with the drain electrode of described field effect transistor be connected optocoupler and be connected, the other end is connected with the collector electrode of described power tube and an end of the 3rd resistance respectively;
The other end of described the 3rd resistance is connected with described optocoupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320187008 CN203278292U (en) | 2013-04-15 | 2013-04-15 | Super-capacitor module voltage equalization circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320187008 CN203278292U (en) | 2013-04-15 | 2013-04-15 | Super-capacitor module voltage equalization circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203278292U true CN203278292U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320187008 Withdrawn - After Issue CN203278292U (en) | 2013-04-15 | 2013-04-15 | Super-capacitor module voltage equalization circuit |
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| CN (1) | CN203278292U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187776A (en) * | 2013-04-15 | 2013-07-03 | 南车株洲电力机车有限公司 | Voltage balance circuit of super-capacitor module |
| CN103683420A (en) * | 2013-12-13 | 2014-03-26 | 惠州市亿能电子有限公司 | Voltage balancing circuit of series-connected super-capacitor module of electric automobile |
-
2013
- 2013-04-15 CN CN 201320187008 patent/CN203278292U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103187776A (en) * | 2013-04-15 | 2013-07-03 | 南车株洲电力机车有限公司 | Voltage balance circuit of super-capacitor module |
| CN103187776B (en) * | 2013-04-15 | 2015-10-21 | 南车株洲电力机车有限公司 | Voltage balance circuit of super-capacitor module |
| CN103683420A (en) * | 2013-12-13 | 2014-03-26 | 惠州市亿能电子有限公司 | Voltage balancing circuit of series-connected super-capacitor module of electric automobile |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20151021 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |