CN201877881U - Cell backup power supply device - Google Patents
Cell backup power supply device Download PDFInfo
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- CN201877881U CN201877881U CN2010205850724U CN201020585072U CN201877881U CN 201877881 U CN201877881 U CN 201877881U CN 2010205850724 U CN2010205850724 U CN 2010205850724U CN 201020585072 U CN201020585072 U CN 201020585072U CN 201877881 U CN201877881 U CN 201877881U
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- cell
- battery pile
- battery
- backup power
- source device
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- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 32
- 230000008859 change Effects 0.000 claims description 30
- 238000006243 chemical reaction Methods 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004146 energy storage Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model discloses a cell backup power supply device which is characterized by comprising a cell stack and a cell stack management system, wherein the cell stack comprises a plurality of single cells which are connected in series and in parallel; the cell stack management system comprises a cell stack control unit and a plurality of single cell monitoring units; the single cell monitoring units are connected with the single cells in a communication way, and are used for monitoring the work modes of the single cells; the single cell monitoring units are connected with the cell stack control unit in a communication way; and the cell stack control unit is used for controlling the work modes of the single cells according to the monitoring of the single cell monitoring units. The cell backup power supply device is limited in energy storage capacity, strong in reliability, low in maintenance cost and high in switching speed.
Description
Technical field
The utility model relates to network system, relates in particular to a kind of battery backup power source device.
Background technology
Development along with the electric power applicating technology, the electronic equipment that needs to rely on electric power to operate constantly is developed, make people increase severely with day for the demand of electric power, to such an extent as to bringing usually for people's life, unexpected outage impacts and inconvenience, especially for the load equipment of particular importance in plant produced line or the life, in case interruption of power supply tends to dealer or user are caused great economic loss.Yet generating equipment and power transmission and transformation system all need repairing and maintain, even and present electrical network facilities advanced again, in servicely also can break down, outage unexpectedly is still unavoidable.Therefore, can be when civil power cut off the power supply, standby power supply device is extremely important.
The present high-power stand-by power supply that uses, the standby diesel-generator unit that is that 5 kilowatts (KW) is above is generated electricity, and the standby diesel-generator unit noise is big, the reaction time long (10-15 second), contaminated environment, shortcoming is a lot.
Therefore, present a kind of high-power, standby power supply device that reaction speed is fast of exigence.
Summary of the invention
For stand-by power supply finite capacity in the prior art, poor reliability, problems such as maintenance cost height, the utility model provides a kind of battery backup power source device, it is characterized in that: described battery backup power source device comprises battery pile and battery pile management system; Described battery pile comprises a plurality of series-parallel cells, and described battery pile management system comprises battery pile control unit and a plurality of cell monitoring unit; Described cell monitoring unit and described cell communicate to connect, and the mode of operation of described cell is monitored; Described cell monitoring unit and described battery pile control unit communicate to connect, and described battery pile control unit is controlled the residing mode of operation of described cell according to the monitoring of described cell monitoring unit;
Described battery backup power source device also comprises central control system, two-way change of current system and automatic switching control equipment; Described central control system communicates to connect with battery pile, battery pile management system, two-way change of current system, automatic switching control equipment and AC network respectively; Described automatic switching control equipment is connected with two-way change of current system, described AC network, custom power respectively, and described two-way change of current system is connected with battery pile electric power.
The utility model can also be further perfect by following technical proposals.
Described central control system is monitored described AC network, and according to the parameter signal of described AC network, described AC network is by the bi-directional conversion between described two-way change of current system's realization alternating current and the direct current; Described central control system is by the control of described battery pile management system realization to the operating state of the cell of described battery pile;
Described automatic switching control equipment, when AC network was cut off the power supply, described central control system was controlled described automatic switching control equipment and is controlled described battery pile by described battery pile management system and provide alternating current by described two-way change of current system and described automatic switching control equipment.
Compared with prior art, the beneficial effect of the battery backup power source device of this utility model is as follows:
1) internal resistance of single battery is less than 5 milliohms, can many rate charge-discharges; The switch of two-way change of current system adopts high efficiency high-power electronic switch, insulated gate bipolar transistor (Insulated Gate Bipolar Transistor as two-way high-power quick break-make, be called for short IGBT) electronic switch, so the response speed of battery backup power source device is fast.
2) lithium titanate battery conversion efficiency height, energy conversion efficiency height (can reach 98%).
3) have automatic switching control equipment, can do emergency standby power and use, standby property is strong, increases the reliability of power supply.
4) construction period weak point, maintenance cost is low, long service life (can reach 30 years).
Battery backup power source device stored energy capacitance of the present utility model is limited, good reliability, advantage such as maintenance cost is low, and switch speed is fast.
Description of drawings
Fig. 1 is the structural representation of the utility model battery backup power source device;
Fig. 2 is the structural representation of charging process shown in Figure 1;
The structural representation of battery backup power source device discharge process when Fig. 3 is AC network shown in Figure 1 outage.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, clean energy resource of the present utility model energy-accumulating power station that compensates and the energy-storage system with clean energy resource compensation are further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The battery backup power source device of the utility model embodiment as shown in Figure 1, is connected between AC network and the user, to described user's power supply; Described battery backup power source device comprises battery pile and battery pile management system; Described battery pile comprises a plurality of series-parallel cells, and described battery pile management system comprises battery pile control unit and a plurality of cell monitoring unit; Described cell monitoring unit and described cell communicate to connect, and the mode of operation of described cell is monitored; Described cell monitoring unit and described battery pile control unit communicate to connect, and described battery pile control unit is controlled the mode of operation of described cell according to the monitoring of described cell monitoring unit;
Described battery backup power source device also comprises central control system, two-way change of current system and automatic switching control equipment; Described central control system communicates to connect with battery pile, battery pile management system, two-way change of current system, automatic switching control equipment and AC network respectively; Described automatic switching control equipment is connected with two-way change of current system, described AC network, custom power respectively, and described two-way change of current system is connected with battery pile electric power.
Described cell makes the output voltage of described battery pile reach voltage designing requirement (as between 660 volts to 810 volts) by series connection; Described cell makes the capacity of battery pile reach the Capacity design requirement by in parallel.
Described central control system is monitored described AC network, and according to the parameter signal of described AC network, described AC network is by the bi-directional conversion between described two-way change of current system's realization alternating current and the direct current; Described central control system is by the control of described battery pile management system realization to the operating state of the cell of described battery pile;
Described automatic switching control equipment, when AC network was cut off the power supply, described central control system was controlled described automatic switching control equipment and is controlled described battery pile by described battery pile management system and provide alternating current by described two-way change of current system and described automatic switching control equipment.
According to the parameter signal of described AC network, described central control system is judged in the time of need carrying out charge or discharge to battery pile; Described central control system is according to the control of described battery pile control unit to each cell mode of operation, and realization is to the control of the operating state of the cell of described battery pile.
Described cell monitoring unit comprises the warning definite value of monomer battery voltage, electric current and temperature; When voltage, electric current and the temperature of described cell surpass the warning definite value, described battery pile control unit will make this cell no longer participate in charging process, only participate in the mode of operation of discharge process; Described battery pile control unit is sent to described central control system with the mode of operation of this cell.
Described cell monitoring unit comprises the warning definite value of monomer battery voltage, electric current and temperature; When voltage, electric current and the temperature of described cell did not reach the warning definite value, described cell monitoring unit made this cell participate in the mode of operation of charging process or discharge process; Described battery pile control unit is sent to described central control system with the mode of operation of this cell.
Described cell monitoring unit comprises voltage, electric current and the temperature fault set point of cell; When voltage, electric current and the temperature of described cell surpass the fault set point, described battery pile control unit will cut off the electric branch road of this cell, make this cell no longer participate in the mode of operation of charging process and discharge process; Described battery pile control unit is sent to described central control system with the mode of operation of this cell.
As shown in Figure 2, when low power consumption, the AC network parameter signal feeds back to central control system, and central control system is sent inverter control signal according to the AC network parameter signal to two-way change of current system;
Described central control system is according to the residing mode of operation of each cell, realizes the control to the operating state of each cell of described battery pile:
Cell is in the mode of operation that participates in charging process or discharge process, and this cell is charged;
Cell is in and no longer participates in charging process, only participates in the mode of operation of discharge process, this cell is not charged;
Cell is in the mode of operation that no longer participates in charging process and discharge process, this cell is not charged;
Two-way change of current system is converted to direct current electric energy (with battery pile frequency and phase locked direct current electric energy) according to inverter control signal with the alternating current electric energy of AC network and is stored in the battery pile, absorb rich electric weight, the electrical power storage that originally will slattern, guarantee the steady of voltage simultaneously;
When peak of power consumption, the AC network parameter signal feeds back to central control system, and central control system is sent inverter control signal according to the AC network parameter signal to two-way change of current system;
Described central control system is according to the residing mode of operation of each cell, realizes the control to the operating state of each cell of described battery pile:
Cell is in the mode of operation that participates in charging process or discharge process, and this cell discharges;
Cell is in and no longer participates in charging process, only participates in the mode of operation of discharge process, and this cell discharges;
Cell is in the mode of operation that no longer participates in charging process and discharge process, and this cell does not discharge.
Two-way change of current system is converted to alternating current electric energy (with AC network frequency and phase locked alternating current electric energy) according to inverter control signal with the direct current electric energy of battery pile storage and is transferred to AC network, replenish the supply of electrical energy amount of AC network, steadily line voltage reduces putting into operation of generating set.
As shown in Figure 3, when AC network was cut off the power supply, described central control system central control system was sent inverter control signal according to the AC network parameter signal to two-way change of current system; Described central control system is according to the residing mode of operation of each cell, realizes the control to the operating state of each cell of described battery pile:
Cell is in the mode of operation that participates in charging process or discharge process, and this cell discharges;
Cell is in and no longer participates in charging process, only participates in the mode of operation of discharge process, and this cell discharges;
Cell is in the mode of operation that no longer participates in charging process and discharge process, and this cell does not discharge.Be that the battery pile energy-storage system provides alternating current by described two-way change of current system and automatic switching control equipment to the user, play the effect of stand-by power supply.
Preferably, described cell is that internal resistance is less than 5 milliohm lithium titanate batteries.
Preferably, described two-way change of current system comprises the power module bi-directional inverter, and described power module bi-directional inverter is used for the bi-directional conversion between alternating current and the direct current electric energy.
Preferably, the switch of described two-way change of current system adopts electronic switch.
Compared with prior art, the beneficial effect of battery backup power source device of the present utility model is as follows:
5) internal resistance of single battery is less than 5 milliohms, can many rate charge-discharges; The switch of two-way change of current system adopts high efficiency high-power electronic switch, insulated gate bipolar transistor (Insulated Gate Bipolar Transistor such as two-way high-power quick break-make, be called for short IGBT) electronic switch, so the fast response time of battery backup power source device.
6) lithium titanate battery conversion efficiency height, energy conversion efficiency height (can reach 98%).
7) have automatic switching control equipment, can do emergency standby power and use, property for subsequent use is strong, increases power supply reliability.
Construction period is short, and maintenance cost is low, long service life (can reach 30 years).
Should be noted that at last that obviously those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model. Like this, if these modifications of the present utility model and modification belong to the range of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification.
Claims (10)
1. a battery backup power source device is connected between AC network and the user, to described user's power supply; It is characterized in that:
Described battery backup power source device comprises battery pile and battery pile management system; Described battery pile comprises a plurality of series-parallel cells, and described battery pile management system comprises battery pile control unit and a plurality of cell monitoring unit; Described cell monitoring unit and described cell communicate to connect, and the mode of operation of described cell is monitored; Described cell monitoring unit and described battery pile control unit communicate to connect, and described battery pile control unit is controlled the residing mode of operation of described cell according to the monitoring of described cell monitoring unit;
Described battery backup power source device also comprises central control system, two-way change of current system and automatic switching control equipment; Described central control system communicates to connect with battery pile, battery pile management system, two-way change of current system, automatic switching control equipment and AC network respectively; Described automatic switching control equipment is connected with two-way change of current system, described AC network, custom power respectively, and described two-way change of current system is connected with battery pile electric power.
2. battery backup power source device according to claim 1 is characterized in that:
Described central control system is monitored described AC network, and according to the parameter signal of described AC network, described AC network is by the bi-directional conversion between described two-way change of current system's realization alternating current and the direct current; Described central control system is by the control of described battery pile management system realization to the operating state of the cell of described battery pile;
Described automatic switching control equipment, when AC network was cut off the power supply, described central control system was controlled described automatic switching control equipment and is controlled described battery pile by described battery pile management system and provide alternating current by described two-way change of current system and described automatic switching control equipment.
3. battery backup power source device according to claim 1 and 2 is characterized in that:
Described cell makes the output voltage of described battery pile reach the voltage designing requirement by series connection; Described cell makes the capacity of battery pile reach the Capacity design requirement by in parallel.
4. battery backup power source device according to claim 2 is characterized in that:
According to the parameter signal of described AC network, described central control system is judged in the time of need carrying out charge or discharge to battery pile; Described central control system realizes the control to the operating state of described cell according to the control of described battery pile control unit to each cell mode of operation.
5. battery backup power source device according to claim 4 is characterized in that:
Described cell monitoring unit comprises the warning definite value of monomer battery voltage, electric current and temperature; When voltage, electric current and the temperature of described cell surpassed the warning definite value, described battery pile control unit made this cell no longer participate in charging process, only participates in the mode of operation of discharge process; Described battery pile control unit is sent to described central control system with the mode of operation of this cell.
6. battery backup power source device according to claim 4 is characterized in that:
Described cell monitoring unit comprises the warning definite value of monomer battery voltage, electric current and temperature; When voltage, electric current and the temperature of described cell did not reach the warning definite value, described cell monitoring unit made this cell participate in the mode of operation of charging process or discharge process; Described battery pile control unit is sent to described central control system with the mode of operation of this cell.
7. battery backup power source device according to claim 4 is characterized in that:
Described cell monitoring unit comprises voltage, electric current and the temperature fault set point of cell; When voltage, electric current and the temperature of described cell surpass the fault set point, described battery pile control unit will cut off the electric branch road of this cell, make this cell no longer participate in the mode of operation of charging process and discharge process; Described battery pile control unit is sent to described central control system with the mode of operation of this cell.
8. battery backup power source device according to claim 1 is characterized in that:
Described cell is that internal resistance is less than 5 milliohm lithium titanate batteries.
9. battery backup power source device according to claim 3 is characterized in that:
Described two-way change of current system comprises the power module bi-directional inverter, and described power module bi-directional inverter is used for the bi-directional conversion between alternating current and the direct current electric energy.
10. battery backup power source device according to claim 3 is characterized in that:
The switch of described two-way change of current system adopts electronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205850724U CN201877881U (en) | 2010-10-28 | 2010-10-28 | Cell backup power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205850724U CN201877881U (en) | 2010-10-28 | 2010-10-28 | Cell backup power supply device |
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| Publication Number | Publication Date |
|---|---|
| CN201877881U true CN201877881U (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205850724U Expired - Lifetime CN201877881U (en) | 2010-10-28 | 2010-10-28 | Cell backup power supply device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457101A (en) * | 2010-10-28 | 2012-05-16 | 珠海银通新能源有限公司 | Battery backup power supply device |
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2010
- 2010-10-28 CN CN2010205850724U patent/CN201877881U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457101A (en) * | 2010-10-28 | 2012-05-16 | 珠海银通新能源有限公司 | Battery backup power supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHUHAI YINLONG NEW ENERGY CO., LTD. Free format text: FORMER NAME: ZHUHAI YINTONG ENERGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee after: Zhuhai Yinlong New Energy Co.,Ltd. Address before: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee before: ZHUHAI YINTONG ENERGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee after: Zhuhai silver dragon new energy Limited by Share Ltd. Address before: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee before: Zhuhai Yinlong New Energy Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 519000 Guangdong province Zhuhai City Sanzao town Jinwan District Jinhu Road No. 16 Patentee after: YINLONG ENERGY Co.,Ltd. Address before: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee before: Zhuhai silver dragon new energy Limited by Share Ltd. |
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| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |
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| CX01 | Expiry of patent term |