CN208241331U - A kind of regulated power supply for fuel cell - Google Patents
A kind of regulated power supply for fuel cell Download PDFInfo
- Publication number
- CN208241331U CN208241331U CN201721061333.0U CN201721061333U CN208241331U CN 208241331 U CN208241331 U CN 208241331U CN 201721061333 U CN201721061333 U CN 201721061333U CN 208241331 U CN208241331 U CN 208241331U
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- Prior art keywords
- fuel cell
- connect
- switch
- storage capacitor
- hydrogen fuel
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Abstract
A kind of regulated power supply for fuel cell has eased up circuit including voltage regulator circuit and the hydrogen fuel cell group connecting with voltage regulator circuit；The voltage regulator circuit includes first switch, resistance and storage capacitor；One end of the first switch is connect with the anode of hydrogen fuel cell group, and the other end is connect after resistance with storage capacitor one end, and composition is filled can circuit；The other end of the storage capacitor is connect with the cathode of hydrogen fuel cell group；The both ends of the storage capacitor are connect with external equipment.The utility model structure is simple, easy to use, can effectively ensure the stability and safety of hydrogen fuel cell group output voltage, be useful in various fuel cells and use.
Description
Technical field
The utility model relates to a kind of regulated power supply, especially a kind of regulated power supply for using in a fuel cell,
Belong to power technique fields.
Background technique
With the continuous expansion in battery applications market, battery industry has welcome swift and violent development.Wherein, hydrogen fuel cell is one
The redox reaction that kind is carried out by oxygen or other oxidants, it is the chemical energy in hydrogen fuel to be converted into electric energy use
Battery.Its advantage are as follows: 1. clean and environmental protections, derivative are water；2. it can be continually fed into hydrogen and oxygen, it is sustainable to generate
The electric current used；3. energy conversion rate is higher, more than 80% (ordinary combustion energy conversion rate more than 30%)；4. can be combined into combustion
Expect cell power plant, discharge waste is few, and low noise is green power generation station.But since the output voltage of hydrogen fuel cell becomes
Change wider range, electrical equipment does not adapt to the supply voltage of hydrogen fuel cell, will cause electrical equipment internal protection and stops work
Make or damages.So need to access a regulated power supply in the output end of hydrogen fuel cell, with ensure can export it is fixed straight
Galvanic electricity pressure, for being power supply for electrical equipment.However, regulated power supply switch use traditional at present is mostly high capacity open circuit
Device, the bigger regulated power supply of the capacity of hydrogen fuel cell group is bigger using breaker capacity, and the outer dimension of such breaker also can
Increase, be unfavorable for installing or use, and cost is larger.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of pressure stabilizing electricity that can be used for fuel cell
Source, its structure is simple, stability easy to use and being capable of effective guarantee hydrogen fuel cell output voltage.
Problem described in the utility model solves by the following technical programs:
A kind of regulated power supply for fuel cell, including voltage regulator circuit and the hydrogen fuel cell group being connect with voltage regulator circuit
Eased up circuit；The voltage regulator circuit includes first switch, resistance and storage capacitor；One end of the first switch and hydrogen fuel
The anode connection of battery pack, the other end are connect after resistance with storage capacitor one end, and composition is filled can circuit；The storage capacitor
The other end is connect with the cathode of hydrogen fuel cell group；The both ends of the storage capacitor are connect with external equipment.
The above-mentioned regulated power supply for fuel cell, the circuit that delayed includes relay, second switch and triode；Institute
It states second switch one end to connect with the anode of hydrogen fuel cell group, the other end is connect with relay one end；The relay it is another
The connection of the collector of one end and triode；The base stage of the triode is connect with signal end, and emitter connects hydrogen fuel cell group
Cathode.
The above-mentioned regulated power supply for fuel cell, normally opened control coil one end of the relay and hydrogen fuel cell group
Anode connection, the other end connect with the concatenation of resistance and storage capacitor point.
The above-mentioned regulated power supply for fuel cell, the first switch and the second switch are that small capacity double linkage control is opened
It closes.
The utility model ease up circuit by power circuit, and the regulated power supply of composition hydrogen fuel cell group is effectively protected
The stability for having hindered output voltage, avoid occur because output voltage is unstable, and caused by electrical equipment damage the problems such as.And
And the utility model can also realize that hydrogen fuel cell group and regulated power supply after open circuit, keep the inside of regulated power supply not remaining
Electric current, to ensure the service life and safety coefficient of equipment.In addition, having delayed circuit in the utility model, pressure stabilizing can be made electric
Voltage in source is after certain accumulation of energy is stablized, then exports to external equipment, further ensures the stability of output voltage, mentions
Protectiveness of the height to electrical equipment.
The utility model structure is simple, easy to use, can effectively ensure the stabilization of hydrogen fuel cell group output voltage
Property and safety, are useful in various fuel cells and use.
Detailed description of the invention
Fig. 1 is the utility model electricity schematic illustration.
Each list of reference numerals in figure are as follows: E. hydrogen fuel cell group, K-1. first switch, K-2. second switch, J. relay, J-
1. normally opened control coil, Q. triode, C, storage capacitor, R. resistance.
Specific embodiment
Referring to Fig. 1, the utility model includes voltage regulator circuit and the gentle electrification of the hydrogen fuel cell group E connecting with voltage regulator circuit
Road；" fuel cell unit " is to be connected into battery pack by multiple monomer hydrogen fuel cells.The voltage regulator circuit is opened including first
Close K-1, resistance R and storage capacitor C；One end of the first switch K-1 is connect with the anode of hydrogen fuel cell group E, the other end
It is connect after resistance R with the one end storage capacitor C, composition fills energy circuit, charges for storage capacitor C, reaches the voltage in its capacitor
To it is identical as fuel cell output voltage when starting delayed circuit；The other end of the storage capacitor C is with hydrogen fuel cell group E's
Cathode connection；The both ends of the storage capacitor C are connect with external equipment, as output voltage terminal.
In addition, the duplex that first switch K-1 described in the utility model and second switch K-2 is small-sized low capacity joins
Dynamic switch, that is, synchronize and carry out opening or closing movement.
In order to further increase the stability and safety of the utility model output voltage, the utility model is ad hoc to be had and delays
Circuit, the circuit that delayed includes relay J, second switch K-2 and triode Q；The one end the second switch K-2 and hydrogen fuel
The anode connection of battery pack E, the other end are connect with the one end relay J；The other end of the relay J and the current collection of triode Q
Pole connection；The base stage of the triode Q is connect with signal end, and emitter connects the cathode of hydrogen fuel cell group E.
One end normally opened control coil J-1 of the relay is connect with the anode of hydrogen fuel cell group E, the other end and resistance
R is connected with the concatenation of storage capacitor C point.
The working principle of the utility model are as follows: when small-sized duplex linked switch closure, the output voltage of fuel cell unit
It charges through first switch K-1 and resistance R to storage capacitor C, when the voltage of storage capacitor C1 reaches the output voltage of fuel cell
When, the auxiliary power start work inside regulated power supply, the accessory power supply of regulated power supply is usually by reverse exciting switching voltage regulator topology
It constitutes, input voltage is to provide after being filtered by fuel cell by storage capacitor C1, and output multi-channel DC voltage is to each
Part control chip power supply, thus make internal control chip obtain it is electric after start to work, slow will open control signal and be delivered to triode
Base stage, make triode Q forward bias be connected；Then, the output voltage of fuel cell unit is protected through second switch K-2 and Anti-surging
After protecting relay J, makes the normally opened control contact closure of relay, make the output voltage of fuel cell unit through the normally opened control of relay
Contact processed is charged to storage capacitor C, exports steady dc voltage, is used for electrical equipment.
When small-sized duplex linked switch disconnects, the output voltage of fuel cell unit is through first switch K-1 and resistance R to storage
The circuit of energy capacitor C charging disconnects, meanwhile, the normally opened control contact of relay is disconnected, reaches not charged inside regulated power supply
Purpose.
Claims (3)
1. a kind of regulated power supply for fuel cell, it is characterised in that: including voltage regulator circuit and the hydrogen being connect with voltage regulator circuit
Fuel cell unit (E) has eased up circuit；The voltage regulator circuit includes first switch (K-1), resistance (R) and storage capacitor (C)；Institute
It states one end of first switch (K-1) to connect with the anode of hydrogen fuel cell group (E), the other end is after resistance (R) and storage capacitor
(C) one end connects, and composition is filled can circuit；The other end of the storage capacitor (C) is connect with the cathode of hydrogen fuel cell group (E)；
The both ends of the storage capacitor (C) are connect with external equipment；
The circuit that delayed includes relay (J), second switch (K-2) and triode (Q)；Described second switch (K-2) one end
It is connect with the anode of hydrogen fuel cell group (E), the other end is connect with the one end relay (J)；The other end of the relay (J) with
The collector of triode (Q) connects；The base stage of the triode (Q) is connect with signal end, and emitter meets hydrogen fuel cell group (E)
Cathode.
2. the regulated power supply according to claim 1 for fuel cell, it is characterised in that: the normally opened control of the relay
The anode of coil one end (J-1) processed and hydrogen fuel cell group (E) is connect, and the other end and resistance (R) and storage capacitor (C's) concatenates
Point connection.
3. the regulated power supply according to claim 2 for fuel cell, it is characterised in that: the first switch (K-1)
It is small capacity double linkage control switch with second switch (K-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721061333.0U CN208241331U (en) | 2017-08-23 | 2017-08-23 | A kind of regulated power supply for fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721061333.0U CN208241331U (en) | 2017-08-23 | 2017-08-23 | A kind of regulated power supply for fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208241331U true CN208241331U (en) | 2018-12-14 |
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ID=64577913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721061333.0U Active CN208241331U (en) | 2017-08-23 | 2017-08-23 | A kind of regulated power supply for fuel cell |
Country Status (1)
| Country | Link |
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| CN (1) | CN208241331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635557A (en) * | 2019-09-03 | 2019-12-31 | 科华恒盛股份有限公司 | Uninterruptible power supply and fuse fault detection method thereof |
-
2017
- 2017-08-23 CN CN201721061333.0U patent/CN208241331U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635557A (en) * | 2019-09-03 | 2019-12-31 | 科华恒盛股份有限公司 | Uninterruptible power supply and fuse fault detection method thereof |
| CN110635557B (en) * | 2019-09-03 | 2021-05-25 | 科华恒盛股份有限公司 | Uninterruptible power supply and fuse fault detection method thereof |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200430 Address after: 050035 No. 56, 3 Kunlun street, Shijiazhuang Development Zone, Hebei, China Patentee after: SHIJIAZHUANG GUOYAO ELETRONIC Co.,Ltd. Address before: 050035 No. 56, 3 Kunlun street, Shijiazhuang Development Zone, Hebei, China Patentee before: HEBEI GUOYAO NEW ENERGY TECHNOLOGY Co.,Ltd. |