CN204497336U - Multikilowatt fuel cell lithium ion battery hybrid power device - Google Patents
Multikilowatt fuel cell lithium ion battery hybrid power device Download PDFInfo
- Publication number
- CN204497336U CN204497336U CN201520225197.9U CN201520225197U CN204497336U CN 204497336 U CN204497336 U CN 204497336U CN 201520225197 U CN201520225197 U CN 201520225197U CN 204497336 U CN204497336 U CN 204497336U
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- fuel cell
- control unit
- cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Fuel Cell (AREA)
Abstract
The utility model discloses a kind of multikilowatt fuel cell/lithium ion battery hybrid power device.This device comprises fuel cell-powered loop, lithium ion battery current supply circuit, fuel battery power control unit, lithium ion battery power control unit.Compared with prior art, multikilowatt fuel cell/lithium ion battery hybrid power device of the present utility model is while ensureing the reliable power supply to load, energy management is carried out to fuel cell and lithium ion battery, improves useful life and the coefficient of safety of two kinds of batteries.
Description
Technical field
The utility model relates to field of batteries, particularly multikilowatt fuel cell/lithium ion battery hybrid power device and energy management method thereof.
Background technology
In the last few years, the a large amount of uses of the mankind to fossil fuel result in very serious pollution problem, add the minimizing day by day of the fossil energy such as coal, oil, global energy shortage becomes increasingly conspicuous with environmental issue, the development and utilization of national governments to new forms of energy is all paid much attention to, and therefore research and development novel energy that is clean, environmental protection is significant.Hydrogen Energy is a kind of environmentally friendly energy, and its emission is generally water, not containing CO2 and other harmful substance.Fuel cell utilizes a kind of energy conversion device of Hydrogen Energy just, and the chemical energy of hydrogen-rich gas is converted into electric energy.Fuel cell is a kind of Blast Furnace Top Gas Recovery Turbine Unit (TRT) by electrochemical reaction, the chemical energy of reactive material being converted to electric energy, because its power generation process does not relate to the burning of fuel, thus do not limit by Carnot cycle, energy conversion efficiency is high, and fuel cell is generally using hydrogen-oxygen as reactive material, also there is power density and energy density is high, clean and effective, the advantage that power bracket is wide, is with a wide range of applications in fields such as portable power source, household electrical source, field of traffic, distributed power station and submarines.But when load demand power changes greatly, output characteristic of fuel cell cannot meet the fast-changing requirement of load.Because fuel cell exists the shortcomings such as the softer and power response of characteristic curve is slower, be therefore not too applicable to changing load more frequently directly to vehicle constant power and do power supply and use.
Existing fuel cell/lithium ion battery hybrid power system directly mounts Li-ion batteries piles on the output DC bus of fuel cell cascade DC/DC converter, although this hybrid power collocation form reduces the requirement to fuel battery power and dynamic property, but lack and good energy management and the effective management to lithium ion battery are carried out to hybrid power system, thus make lithium ion battery charging-discharging cycle chaotic, reduce useful life and the systematic function of battery.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of multikilowatt fuel cell/lithium ion battery hybrid power device, with while ensureing the reliable power supply to load, energy management is carried out to fuel cell and lithium ion battery, improves useful life and the coefficient of safety of two kinds of batteries.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
The utility model provides a kind of multikilowatt fuel cell/lithium ion battery hybrid power device, it is characterized in that, described multikilowatt fuel cell/lithium ion battery hybrid power device comprises fuel cell-powered loop and lithium ion battery current supply circuit; The input in described fuel cell-powered loop is connected with cell of fuel cell, and the output in described fuel cell-powered loop is connected with load; The first end of described lithium ion battery current supply circuit is connected with lithium ionic cell unit, and the second end of described lithium ion battery current supply circuit is connected with the output parallel connection in described fuel cell-powered loop, thus connects described load; Described fuel cell-powered loop comprises the DC/DC converter be connected between described cell of fuel cell and described load; Circuit between described DC/DC converter and described cell of fuel cell is provided with fuel cell current detection circuit, fuel battery voltage testing circuit and the first switch; System output voltage testing circuit is provided with between described DC/DC converter and described load; Described lithium ion battery current supply circuit comprises the two-way DC/DC converter being connected to described first end and described second end; Circuit between described two-way DC/DC converter and described lithium ionic cell unit is provided with lithium ion battery current detection circuit, lithium ion battery voltage testing circuit and second switch.
In one embodiment, described multikilowatt fuel cell/lithium ion battery hybrid power device also comprises fuel battery power control unit and lithium ion battery power control unit; Described fuel cell control unit comprises the multiple detection signal receiving ports be connected with described fuel cell current detection circuit, described fuel battery voltage testing circuit and described system output voltage testing circuit respectively; Described fuel cell control unit also comprises the control signal delivery outlet be connected with described DC/DC converter with described first switch respectively; Described lithium ion battery power control unit comprises the multiple detection signal receiving ports be connected with described system output voltage testing circuit with described lithium ion battery current detection circuit, described lithium ion battery voltage testing circuit respectively; Described lithium ion battery control unit also comprises the control signal delivery outlet be connected with described two-way DC/DC converter with described second switch respectively.
In one embodiment, interconnected by holding wire between described lithium ion battery power control unit and described fuel battery power control unit, with shared information transfer control signal.
In one embodiment, described multikilowatt fuel cell/lithium ion battery hybrid power device also comprises light current power supply unit, and described light current power supply unit is connected with described lithium ionic cell unit, to obtain electric energy; And be connected with described lithium ion battery power control unit with described fuel battery power control unit, think that described fuel battery power control unit and described lithium ion battery power control unit provide electric energy.
Compared with prior art, the utility model has the following advantages:
1. the utility model utilizes the output voltage electric current of fuel battery voltage testing circuit and fuel cell current detection circuit Real-Time Monitoring fuel cell; by the realization of fuel battery power control unit to the energy management of fuel cell and running protection; prevent fuel cell operation at low pressure or over-current state, in order to avoid cause irreversible infringement to fuel cell or reduce its service behaviour.
2. the lithium ion battery power control unit in the utility model can the operational factor of Real-Time Monitoring lithium ion battery; the SOC value of prediction lithium ion battery; overcurrent when can not only realize lithium-ion electric tank discharge and low-voltage variation; and the management of ion battery group automatic charging can be realized; with maintain Li-ion batteries piles SOC dynamic equilibrium in certain among a small circle in, extend the useful life of lithium ion battery.
3. the utility model has high efficiency DC/DC converter; the unstable voltage transformation that fuel cell exports can be become the direct voltage of stable loading demand; under the effect of energy management strategies; make Li-ion batteries piles as auxiliary power supply and power back-off; fuel cell-poweredly become main supply power mode; be conducive to protection ion battery group, extend the useful life of ion battery group.
4. the utility model is as a comprehensive energy management apparatus, has considered the cooperation control of total system, has reduced complexity and the maintenance difficulties of system, improves stability and reliability that hybrid power system powers.
Accompanying drawing explanation
Figure 1 shows that the schematic diagram of the hybrid power system according to embodiment of the present utility model.
Figure 2 shows that the structure chart of the multikilowatt fuel cell/lithium ion battery hybrid power device according to embodiment of the present utility model.
Figure 3 shows that the multikilowatt fuel cell/lithium ion battery hybrid power energy management method flow chart according to embodiment of the present utility model.
Embodiment
Below will provide detailed description to embodiment of the present utility model.Although the utility model will carry out setting forth and illustrating in conjunction with some embodiments, it should be noted that the utility model is not merely confined to these execution modes.On the contrary, the amendment carry out the utility model or equivalent replacement, all should be encompassed in the middle of right of the present utility model.
In addition, in order to better the utility model is described, in embodiment hereafter, give numerous details.It will be understood by those skilled in the art that do not have these details, the utility model can be implemented equally.In other example, known method, flow process, element and circuit are not described in detail, so that highlight purport of the present utility model.
Figure 1 shows that the schematic diagram of the hybrid power system 1000 according to embodiment of the present utility model.Hybrid power system 1000 comprises cell of fuel cell 101, lithium ionic cell unit 201, load 301 and multikilowatt fuel cell/lithium ion battery hybrid power device 10.Multikilowatt fuel cell/lithium ion battery hybrid power device 10 is connected with load 301 with cell of fuel cell 101, lithium ionic cell unit 201.Multikilowatt fuel cell/lithium ion battery hybrid power device 10 is at cell of fuel cell 101, transmit electric energy between lithium ionic cell unit 201 and load 301.
Figure 2 shows that the structure chart of the multikilowatt fuel cell/lithium ion battery hybrid power device 10 according to embodiment of the present utility model.As shown in Figure 2, multikilowatt fuel cell/lithium ion battery hybrid power device 10 comprises fuel cell-powered loop 100, lithium ion battery current supply circuit 200, light current power supply unit 300, fuel battery power control unit 400 and lithium ion battery power control unit 500.The input in fuel cell-powered loop 100 is connected with cell of fuel cell 101, and the output in fuel cell-powered loop 100 is connected with load 301.Electric energy is sent to described output from described input by fuel cell-powered loop 100.The first end of lithium ion battery current supply circuit 200 is connected with lithium ionic cell unit 201, and its second end is connected with the output parallel connection in fuel cell-powered loop 200, thus connects load 301.Electric energy is sent to described second end from described first end by lithium ion battery current supply circuit 200 under different conditions, or is sent to described first end from described second end.
Fuel battery power control unit 400 is connected with fuel cell-powered loop 100.Fuel battery power control unit 400 detects the state of cell of fuel cell 101, and produces the first status signal representing cell of fuel cell 101 state.Lithium ion battery power control unit 500 is connected with lithium ion battery current supply circuit 200.Lithium ion battery power control unit 500 detects the state of lithium ionic cell unit 201, and produces the second status signal representing lithium ionic cell unit 201 state.
Lithium ion battery power control unit 500 and fuel battery power control unit 400 are interconnected.Lithium ion battery power control unit 500 sends described second status signal to fuel battery power control unit 400.Fuel battery power control unit 400 sends described first status signal to lithium ion battery power control unit 500.Fuel battery power control unit 400 controls according to described first status signal and described second status signal the electric energy that fuel cell-powered loop 100 is sent to described output.Lithium ion battery power control unit 500 is according to the electric energy power in described first status signal and described second status signal control lithium ion battery current supply circuit 200 and direction of transfer.
In one embodiment, multikilowatt fuel cell/lithium ion battery hybrid power device 10 also comprises light current power supply unit 300.Light current power supply unit 300 is connected with lithium ionic cell unit 201.Light current power supply unit 300 obtains electric energy from lithium ionic cell unit 201, and provides light current to fuel battery power control unit 400 and lithium ion battery power control unit 500.
In one embodiment, fuel cell-powered loop 100 comprises DC/DC converter 104, electronic switch K1, fuel cell current detection circuit 102 and fuel battery voltage testing circuit 103.The input terminal voltage in fuel cell-powered loop 100 is converted to the voltage of the applicable load of its output by DC/DC converter 104.Electronic switch K1 is connected on the circuit between DC/DC converter 104 and cell of fuel cell 101.Fuel cell current detection circuit 102 is connected on the circuit between DC/DC converter 104 and cell of fuel cell 101.Fuel cell current detection circuit 102 produces the first current signal representing and flow through the electric current of cell of fuel cell 101.Fuel battery voltage testing circuit 103 is connected on the circuit between DC/DC converter 104 and cell of fuel cell 101.Fuel battery voltage testing circuit 103 produces the first voltage signal of the voltage representing cell of fuel cell 101.System output voltage testing circuit 205 is connected with the output of DC/DC converter 104.System output voltage testing circuit 205 produces the tertiary voltage signal representing fuel cell-powered loop 100 voltage.In one embodiment, fuel battery power control unit 400 produces described first status signal according to described first current signal, described first voltage signal and described tertiary voltage signal.Specifically, fuel battery power control unit 400 is according to the charge state value (SOC) of described first current signal and described first voltage signal computing fuel battery unit 101, and according to described first current signal, described first voltage signal and described tertiary voltage signal judge the operating state of cell of fuel cell 101, its state comprises: overvoltage, low pressure and normal condition also judge the operating state of cell of fuel cell 101, by changing the duty ratio realization of DC/DC converter 104 to the energy management of fuel cell and running protection, its state comprises: overvoltage, under-voltage and normal condition.
In one embodiment, lithium ion battery current supply circuit 200 comprises two-way DC/DC converter 204, K switch 2, lithium ion battery voltage testing circuit 202 and lithium ion battery current detection circuit 203.When lithium ionic cell unit 201 is in charged state, electric energy is sent to described first end from described second end by two-way DC/DC converter 204, charges to give lithium ionic cell unit 201; When lithium ionic cell unit 201 is in discharge condition, electric energy is sent to described second end from described first end by two-way DC/DC converter 204, externally discharges to make described lithium ionic cell unit.
Lithium ion battery voltage testing circuit 202 is connected with lithium ionic cell unit 201.Lithium ion battery voltage testing circuit 202 detects the voltage of lithium ionic cell unit 201, and produces the second voltage signal according to the voltage of lithium ionic cell unit 201.Lithium ion battery current detection circuit 203 is connected with lithium ionic cell unit 201.Lithium ion battery current detection circuit 203 detects the electric current of lithium ionic cell unit 201, and produces the second current signal according to the electric current of lithium ionic cell unit 201.Lithium battery power control unit 500 produces described second status signal according to described second current signal and described second voltage signal.Specifically, lithium battery power control unit 500 calculates the charge state value (SOC) of lithium ionic cell unit 201 according to described second current signal and described second voltage signal, and judge the operating state of lithium ionic cell unit 201 according to this charge state value (SOC), its state comprises: overvoltage, low pressure and normal condition.
In one embodiment, fuel battery power control unit 400 changes the duty ratio of DC/DC converter 104 according to the first status signal, realize energy management to fuel cell, such as: by closed or cut-off switch K1, then can the discharge loop of closed and disconnected cell of fuel cell 101.
In one embodiment, when described first status signal represents that cell of fuel cell 101 is in normal condition and described second status signal represents that lithium ionic cell unit 201 is in deficient (low) pressure condition, then lithium ion battery power control unit 500 controls two-way DC/DC converter 204, to charge to lithium ionic cell unit 500.Specifically, make two-way DC/DC converter 204 send electric energy to lithium ionic cell unit 201 from the output of DC/DC converter 104, thus lithium ionic cell unit 201 is charged.In the process of charging, charging current and the charging voltage of lithium ionic cell unit 201 is controlled by controlling two-way DC/DC converter 204, make lithium ionic cell unit 201 be in a normal charged state, such as: first constant current quick charge, then constant voltage carries out constant voltage charge.
When described first status signal represents that cell of fuel cell 101 is in normal condition and described second status signal represents that described lithium ionic cell unit 201 is in normal condition, then lithium ion battery power control unit 500 controls two-way DC/DC converter 204, to close lithium ionic cell unit 201.When described first status signal represents that cell of fuel cell 101 is in under-voltage condition and described second status signal represents that lithium ionic cell unit 201 is in normal condition, then lithium ion battery power control unit 500 controls two-way DC/DC converter 204 and the electric energy of lithium ionic cell unit 201 is sent to load 301, thinks that load 301 is powered.
That is, when load demand power is larger, cell of fuel cell 101 is in under-voltage condition, and the output voltage of lithium ion battery is converted to load voltage by two-way DC/DC converter 204 under the control of lithium ion battery power control unit 500, makes lithium ion battery supplying power for outside; When load power demand normal or less time, cell of fuel cell 101 is in overvoltage condition or normal condition, and lithium ion battery power control unit 500 changes two-way DC/DC converter 204 working method, makes lithium ion battery be in charged state or closed condition.
Figure 3 shows that the multikilowatt fuel cell/lithium ion battery hybrid power energy management method flow chart 3000 according to embodiment of the present utility model.
In step 3001, detect the state of cell of fuel cell, and produce the first status signal representing described cell of fuel cell state, described cell of fuel cell is connected with load by DC/DC converter.In one embodiment, the first current signal flowing through circuit between described DC/DC converter and described cell of fuel cell is detected; Detect the first voltage signal of described cell of fuel cell; Detect the tertiary voltage signal of the output of described DC/DC converter; Described first status signal is produced according to described first current signal, described first voltage signal and described tertiary voltage signal.
In step 3002, detect the state of lithium ionic cell unit, and produce the second status signal representing described lithium ionic cell unit state, described lithium ionic cell unit is connected with described load by two-way DC/DC converter.In one embodiment, the second current signal flowing through circuit between described two-way DC/DC converter and described lithium ionic cell unit is detected; Detect the second voltage signal of described lithium ionic cell unit; Described second status signal is produced according to described second current signal and described second voltage signal.
In step 3003, when described first status signal represents that described cell of fuel cell is in normal condition and described second status signal represents that described lithium ionic cell unit is in low-pressure state, then control described two-way DC/DC converter, to charge to described lithium ionic cell unit.In step 3004, when described first status signal represents that described cell of fuel cell is in normal condition and described second status signal represents that described lithium ionic cell unit is in normal condition, then control described two-way DC/DC converter, to close described lithium ionic cell unit.In step 3005, when described first status signal represents that described cell of fuel cell is in under-voltage condition and described second status signal represents that described lithium ionic cell unit is in normal condition, then control described two-way DC/DC converter and the electric energy of described lithium ionic cell unit is sent to described load, think described load supplying.
Below with reference to Fig. 1 to Fig. 3, the workflow of multikilowatt fuel cell/lithium ion battery hybrid power device is described in more detail.
After system Installation and Debugging complete, first Closing Switch K2, light current is provided through light current power supply unit 300 to whole system by Li-ion batteries piles 310, power normally at light current, fuel battery power control unit 400 and lithium ion battery power control unit 500 start, each controller of control unit 400 and 500 first initialization whole system and operational factor, the state parameter of each unit of detection system; Then DC/DC converter 104, two-way DC/DC converter 204 is started; Closing Switch K1 subsequently, starting fluid battery unit, accesses the fuel cell-powered loop 100 of hybrid power system by fuel cell, each control unit of system just enters fully automatic working pattern, external output power.
Fuel cell control unit 400 constantly detects output voltage, the electric current of cell of fuel cell by fuel cell current detection circuit 102 and fuel battery voltage testing circuit 103, judges whether fuel cell enters low pressure or overcurrent protection.When recording the output current of fuel cell output voltage lower than its minimum output voltage allowed or fuel cell and reaching limit value, then fuel battery power control circuit is by reducing the duty ratio of DC/DC converter 104, reduce the power output of fuel cell, thus promote the output voltage of fuel cell or reduce its output current; Be greater than fuel cell minimum output voltage when recording fuel cell output voltage, then fuel battery power control circuit 400 is by changing the duty ratio of DC/DC converter 104, makes the voltage of DC/DC converter 104 output and system output voltage be stabilized in preset value.
Lithium ion battery power control unit 500 can pass through the voltage and current of lithium ion battery current detection circuit 203 and lithium ion battery voltage testing circuit 202 Real-Time Monitoring lithium ionic cell unit 201, the SOC value of prediction lithium ion battery, when recording SOC value lower than the minimum value set, lithium ion battery power control unit 500 changes the working method of two-way DC/DC converter 204, make lithium ion battery be in charged state, and Charge Management is carried out to lithium ion battery.The Charge Management of lithium ion battery comprises two stages, namely first carries out constant current charge, when the voltage of lithium ion battery reaches charge cutoff voltage, then carries out constant voltage charge to lithium ion battery; When lithium ion cell charging is higher to SOC value, lithium ion battery power control unit 500 changes the working method of two-way DC/DC converter 204, makes lithium ion battery be in external discharge condition.When lithium ion battery is in external discharge condition, lithium ion battery power control unit 500 is according to the duty ratio of system output voltage by the two-way DC/DC converter 204 of change, make two-way DC/DC converter 204 output voltage stabilization at preset value, and detect the output voltage electric current of lithium ion battery in real time, to ensure the safe operation of lithium ion battery.
When bearing power is less, the fuel cell output voltage that fuel battery power control unit 400 records output current that is too high or fuel cell is too small, and fuel cell should not be operated in high pressure or low current condition, this can cause certain infringement to fuel cell, now communicate between fuel battery power control unit 400 with lithium ion battery power control unit 500, change the working method of two-way DC/DC converter 204, make lithium ionic cell unit 201 be in charged state; When load power demand is larger, communicate between fuel battery power control unit 400 with lithium ion battery power control unit 500, make lithium ionic cell unit 201 be in external discharge condition, make up the power shortage of cell of fuel cell.
When cell of fuel cell 101 is for unsaturated vapor; the output voltage of fuel cell can be caused to continue lower than its discharge cut-off voltage; then fuel cell enters low-voltage variation state, and namely fuel battery power control unit 400 disconnects the connection of cell of fuel cell 101 and EMS by electronic switch K1.Now, whole system lithium ionic cell unit 500 supplying power for outside separately.If lithium ion battery power control unit 500 record the lower and air feed of the SOC value of lithium ion battery still not enough time, lithium ion battery power control unit 500 disconnects the connection of lithium ion battery and EMS by electronic switch K2, then whole system not supplying power for outside.When fuel cell again air feed is sufficient, fuel battery power control unit 400 detects that the output end voltage of fuel cell is greater than its starting resistor, and it is closed to control electronic switch K1, and cell of fuel cell is supplying power for outside again.Now, communicate between fuel battery power control unit 400 with lithium ion battery power control unit 500, K switch 2 is closed, lithium ionic cell unit 201 and the common supplying power for outside of cell of fuel cell 101 or also charge to lithium ionic cell unit 201 while cell of fuel cell 101 pairs of loads 301 are powered.
Compared with prior art, multikilowatt fuel cell/lithium ion battery hybrid power device of the present utility model and energy management method thereof have following beneficial effect:
1. the utility model utilizes the output voltage electric current of fuel battery voltage testing circuit 103 and fuel cell current detection circuit 102 Real-Time Monitoring fuel cell; the running protection to fuel cell is realized by fuel battery power control unit 400; prevent fuel cell operation at low pressure or over-current state, in order to avoid cause irreversible infringement to fuel cell or reduce its service behaviour.Such as: when cell of fuel cell 101 is in deficient (low) pressure or over-current state, fuel battery power control unit 400 cut-off switch K1, thus fuel shutoff powered battery loop 100, to avoid because battery overcurrent or under-voltage and cause damage to cell of fuel cell 101.
2. the lithium ion battery power control unit 500 in the utility model can the operational factor of Real-Time Monitoring lithium ion battery; the SOC value of prediction lithium ion battery; overcurrent when can not only realize lithium-ion electric tank discharge and low-voltage variation; and the management of ion battery group automatic charging can be realized; with maintain Li-ion batteries piles SOC dynamic equilibrium in certain among a small circle in, extend the useful life of lithium ion battery.Such as: when lithium ionic cell unit 201 is in low pressure or over-current state, lithium ion battery power control unit 400 cut-off switch K2, thus cut off lithium ion battery current supply circuit 200, to avoid because battery overcurrent or under-voltage and cause damage to lithium ionic cell unit 201.
3. the utility model has high efficiency DC/DC converter; the unstable voltage transformation that fuel cell exports can be become the direct voltage of stable loading demand; under the effect of energy management strategies; make Li-ion batteries piles as auxiliary power supply and power back-off; fuel cell-poweredly become main supply power mode; be conducive to protection ion battery group, extend the useful life of ion battery group.
4. the utility model is as a comprehensive energy management apparatus, has considered the cooperation control of total system, has reduced complexity and the maintenance difficulties of system, improves stability and reliability that hybrid power system powers.
Embodiment and accompanying drawing are only the conventional embodiment of the utility model above.Obviously, various supplement, amendment and replacement can be had under the prerequisite not departing from the utility model spirit that claims define and utility model scope.It should be appreciated by those skilled in the art that the utility model can change in form, structure, layout, ratio, material, element, assembly and other side under the prerequisite not deviating from utility model criterion according to concrete environment and job requirement in actual applications to some extent.Therefore, be only illustrative rather than definitive thereof in the embodiment of this disclosure, the scope of the utility model is defined by appended claim and legal equivalents thereof, and is not limited thereto front description.
Claims (4)
1. multikilowatt fuel cell lithium ion battery hybrid power device, is characterized in that, comprises fuel cell-powered loop and lithium ion battery current supply circuit; The input in described fuel cell-powered loop is connected with cell of fuel cell, and the output in described fuel cell-powered loop is connected with load; The first end of described lithium ion battery current supply circuit is connected with lithium ionic cell unit, and the second end of described lithium ion battery current supply circuit is connected with the output parallel connection in described fuel cell-powered loop, thus connects described load; Described fuel cell-powered loop comprises the DC/DC converter be connected between described cell of fuel cell and described load; Circuit between described DC/DC converter and described cell of fuel cell is provided with fuel cell current detection circuit, fuel battery voltage testing circuit and the first switch; System output voltage testing circuit is provided with between described DC/DC converter and described load; Described lithium ion battery current supply circuit comprises the two-way DC/DC converter being connected to described first end and described second end; Circuit between described two-way DC/DC converter and described lithium ionic cell unit is provided with lithium ion battery current detection circuit, lithium ion battery voltage testing circuit and second switch.
2. multikilowatt fuel cell lithium ion battery hybrid power device according to claim 1, is characterized in that, also comprise fuel battery power control unit and lithium ion battery power control unit; Described fuel cell control unit comprises the multiple detection signal receiving ports be connected with described fuel cell current detection circuit, described fuel battery voltage testing circuit and described system output voltage testing circuit respectively; Described fuel cell control unit also comprises the control signal delivery outlet be connected with described DC/DC converter with described first switch respectively; Described lithium ion battery power control unit comprises the multiple detection signal receiving ports be connected with described system output voltage testing circuit with described lithium ion battery current detection circuit, described lithium ion battery voltage testing circuit respectively; Described lithium ion battery control unit also comprises the control signal delivery outlet be connected with described two-way DC/DC converter with described second switch respectively.
3. multikilowatt fuel cell lithium ion battery hybrid power device according to claim 1 and 2, is characterized in that, interconnected by holding wire between described lithium ion battery power control unit and described fuel battery power control unit, with transfer control signal.
4. multikilowatt fuel cell lithium ion battery hybrid power device according to claim 2, it is characterized in that, also comprise light current power supply unit, described light current power supply unit is connected with described lithium ionic cell unit, to obtain electric energy; And be connected with described lithium ion battery power control unit with described fuel battery power control unit, think that described fuel battery power control unit and described lithium ion battery power control unit provide electric energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225197.9U CN204497336U (en) | 2015-04-15 | 2015-04-15 | Multikilowatt fuel cell lithium ion battery hybrid power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520225197.9U CN204497336U (en) | 2015-04-15 | 2015-04-15 | Multikilowatt fuel cell lithium ion battery hybrid power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497336U true CN204497336U (en) | 2015-07-22 |
Family
ID=53576627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520225197.9U Active CN204497336U (en) | 2015-04-15 | 2015-04-15 | Multikilowatt fuel cell lithium ion battery hybrid power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204497336U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712063A (en) * | 2017-02-14 | 2017-05-24 | 北京东方华氢科技有限公司 | Electric power supply system and control method thereof |
| CN106910917A (en) * | 2017-02-11 | 2017-06-30 | 佛山索弗克氢能源有限公司 | Tubular type SOFC Fuel Cell Control Systems |
| CN107871908A (en) * | 2017-09-22 | 2018-04-03 | 北京机械设备研究所 | The power supply and control method that metal air fuel cell mixes with lithium ion battery |
| CN110417065A (en) * | 2018-04-26 | 2019-11-05 | 武汉众宇动力系统科技有限公司 | Fuel cell mixed power supply system and its control method |
| CN110416664A (en) * | 2018-04-26 | 2019-11-05 | 武汉众宇动力系统科技有限公司 | Hybrid fuel cell dynamical system and its control method |
| WO2021179873A1 (en) * | 2020-03-11 | 2021-09-16 | 永安行科技股份有限公司 | Hydrogen fuel cell management system |
-
2015
- 2015-04-15 CN CN201520225197.9U patent/CN204497336U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106910917A (en) * | 2017-02-11 | 2017-06-30 | 佛山索弗克氢能源有限公司 | Tubular type SOFC Fuel Cell Control Systems |
| CN106910917B (en) * | 2017-02-11 | 2019-04-02 | 佛山索弗克氢能源有限公司 | Tubular type SOFC Fuel Cell Control System |
| CN106712063A (en) * | 2017-02-14 | 2017-05-24 | 北京东方华氢科技有限公司 | Electric power supply system and control method thereof |
| CN107871908A (en) * | 2017-09-22 | 2018-04-03 | 北京机械设备研究所 | The power supply and control method that metal air fuel cell mixes with lithium ion battery |
| CN107871908B (en) * | 2017-09-22 | 2020-10-30 | 北京机械设备研究所 | Power supply with mixed metal-air fuel cell and lithium ion battery and control method |
| CN110417065A (en) * | 2018-04-26 | 2019-11-05 | 武汉众宇动力系统科技有限公司 | Fuel cell mixed power supply system and its control method |
| CN110416664A (en) * | 2018-04-26 | 2019-11-05 | 武汉众宇动力系统科技有限公司 | Hybrid fuel cell dynamical system and its control method |
| WO2021179873A1 (en) * | 2020-03-11 | 2021-09-16 | 永安行科技股份有限公司 | Hydrogen fuel cell management system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204497336U (en) | Multikilowatt fuel cell lithium ion battery hybrid power device | |
| US8364287B2 (en) | Apparatus, system, and method to manage the generation and use of hybrid electric power | |
| CN104836319A (en) | Integrated fuel cell power supply system | |
| CN102569854A (en) | Portable power supply system of proton exchange membrane fuel cell (PEMFC) | |
| CN105280990A (en) | Kilowatt-scale fuel cell/lithium-ion cell hybrid power device and energy management method thereof | |
| CN102810901A (en) | Communication power supply system based on fuel cell | |
| CN209497314U (en) | A kind of micro-grid system coupled based on fuel cell test with charging pile | |
| CN202444020U (en) | Portable PEMFC (Proton Exchange Membrane Fuel Cell) power supply system | |
| CN110707747A (en) | Household photovoltaic micro-grid energy management system containing coal-to-electricity equipment | |
| CN204992738U (en) | Integration fuel cell power supply system | |
| CN111404248A (en) | Micro-grid system and method based on coupling of fuel cell test and charging pile | |
| KR20150005040A (en) | Apparatus and method for energy storage system controlling operating mode | |
| CN203734372U (en) | Fuel cell standby power supply system | |
| CN2914456Y (en) | Stand-by power supply based on fuel cell | |
| CN203415997U (en) | Power supply circuit of control circuit of solar energy controller | |
| CN100546079C (en) | A kind of fuel cell system | |
| CN202616858U (en) | Motor caravan power supply | |
| CN115473329B (en) | Energy management method and device for hydrogen fuel cell standby power supply | |
| CN216929968U (en) | Solar power supply system of gas pressure regulating station | |
| CN204068413U (en) | One base station portable energy-storing equipment and electric power system | |
| CN103236725A (en) | Power supply method of solar controller control circuit and circuit thereof | |
| CN104092280B (en) | Fuel cell standby power source system based on super capacitor starting | |
| CN202872443U (en) | Fuel-cell-based communication power supply | |
| CN213959823U (en) | Uninterrupted aluminum fuel power supply system based on aluminum-air battery | |
| CN202503359U (en) | Fuel battery-lithium battery double-switch type emergency power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170317 Address after: 610000 Sichuan City, Chengdu Province, No. two North Ring Road, No. 111 Patentee after: Southwest Jiaotong University Address before: 610000 Chengdu hi tech Zone, Chengdu hi tech Park Avenue, No. 11, science and Technology Industrial Park, A-242, Patentee before: Chengdu Ruidingte Science and Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180823 Address after: 610031 Nan yuan 10101, 111 north section, two ring road, Chengdu, Sichuan. Co-patentee after: CHENGDU GUOJIA ELECTRICAL ENGINEERING CO., LTD. Patentee after: Chen Weirong Address before: No. 111, No. 111, Chengdu City, Sichuan Province, north part of the two ring road Patentee before: Southwest Jiaotong University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190715 Address after: 610000 1-2 Floor, 6 A Block, 200 Tianfu Five Street, Chengdu High-tech Zone, Sichuan Province Patentee after: Sichuan Rongxinneng Technology Co., Ltd. Address before: 610031 South Park 10101, 111 North Section of Second Ring Road, Chengdu City, Sichuan Province Co-patentee before: CHENGDU GUOJIA ELECTRICAL ENGINEERING CO., LTD. Patentee before: Chen Weirong |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191127 Address after: 610000 No.618, Junyue Road, Xindu District, Chengdu, Sichuan Province Patentee after: Sichuan Rong innovation power system Co., Ltd. Address before: 610000 1-2 Floor, 6 A Block, 200 Tianfu Five Street, Chengdu High-tech Zone, Sichuan Province Patentee before: Sichuan Rongxinneng Technology Co., Ltd. |