CN100482498C - Emergency electric power supply unit - Google Patents
Emergency electric power supply unit Download PDFInfo
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- CN100482498C CN100482498C CN 200580041098 CN200580041098A CN100482498C CN 100482498 C CN100482498 C CN 100482498C CN 200580041098 CN200580041098 CN 200580041098 CN 200580041098 A CN200580041098 A CN 200580041098A CN 100482498 C CN100482498 C CN 100482498C
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
An emergency power supply (9) for backing up main power supply systems (1, 10) at the time of fault of the main power systems (1, 10). The emergency power supply is provided with an industrial apparatus operated by performing coordination control of an auxiliary machine (2) operating with power supplied from the main power supply systems (1, 10); an auxiliary power supply (20) for storing power; a circuit (21) for charging the auxiliary power supply (20) with power supplied from the main power supply system (1); a discharge circuit (22) for supplying power stored in the auxiliary power supply (20) to the auxiliary machine (2); and an emergency control circuit (40) for controlling the discharge circuit (22) to supply power from the auxiliary power supply (20) to the auxiliary machine (2) when the main power supply systems (1, 10) are faulty and controlling operation of the auxiliary machine (2) depending on the operating state of the industrial apparatus when the main power supply systems (1, 10) are faulty.
Description
Technical field
The present invention relates to a kind of emergency power supply unit.
Background technology
In recent years, the electron steeringization of the driving engine of automobile, change-speed box, drg, deflector etc. is developing, and conveys a message mutually by communication line between each controller, carries out co-operative control.
But in the automobile that this electronic control package has been installed, have following possibility: under the situation that main battery is out of order when vehicle has an accident etc., electronic control package is not all worked.
Open in the 2000-278885 communique the spy, disclose under the situation that main battery is out of order when having an accident power supply is supplied with the emergency annunciation system on the vehicle of being installed in that switches to boosting battery.
Summary of the invention
Yet, in this existing system, under the situation that main battery is out of order when vehicle has an accident, power even switch to accessory feed from main power source, also, therefore there is the possibility that causes secondary failure owing to do not carry out taking place the running control of cooresponding vehicle when unusual with this main power source.
The present invention puts and the invention made in view of the above problems, and its purpose is to provide a kind of and main power source that cooresponding emergency power supply unit when unusual takes place.
The present invention is the emergency power supply unit that replaces the main power source system when the main power source system exception.
This emergency power supply unit possesses: industrial machine, and it turns round by coming the subsidiary engine of work to carry out co-operative control to the electric power that utilizes above-mentioned main power source system to be provided; Accessory feed, it accumulates electric power; Charge circuit, its power charge that will provide from main power source is to above-mentioned accessory feed; Discharge circuit, it provides the electric power that is accumulated in the above-mentioned accessory feed to above-mentioned subsidiary engine; And emergency control circuit, it is when above-mentioned main power source system exception, control the feasible electric power that above-mentioned accessory feed is provided to above-mentioned subsidiary engine of above-mentioned discharge circuit, and the operative condition of the above-mentioned industrial machine during according to above-mentioned main power source system exception is controlled the work of above-mentioned subsidiary engine, wherein, above-mentioned industrial machine is a vehicle, and above-mentioned subsidiary engine is the motor that steering shaft is applied boosting power, wherein, described emergency power supply unit also possesses the emergency detector that detects the steering state when above-mentioned main power source system exception, and wherein, above-mentioned emergency control circuit is controlled the work of said motor according to the signal of above-mentioned emergency detector.
According to the present invention, in the main power source system, taken place to utilize emergency control circuit to provide electric power under the unusual situation, and the operative condition of the industrial machine during according to the main power source system exception is controlled this subsidiary engine to subsidiary engine, therefore secondary failure can be prevented, and new accident etc. can be prevented.
Description of drawings
Fig. 1 is the block diagram of the structure of the expression power steering gear that the emergency power supply unit relevant with present embodiment 1 is applied to vehicle.
Fig. 2 is the block diagram of the structure of the expression rear light device that the emergency power supply unit relevant with present embodiment 2 is applied to vehicle.
Fig. 3 is the block diagram that expression is applied to the emergency power supply unit relevant with present embodiment 3 structure of commercial unit.
The specific embodiment
Embodiments of the present invention are described with reference to the accompanying drawings.
With reference to the relevant emergency power supply unit of Fig. 1 explanation and embodiments of the present invention 1.Figure 17 is the block diagram of the structure of the expression power steering gear that the emergency power supply unit relevant with present embodiment 1 is applied to vehicle.
Power steering gear is installed in the vehicle as industrial machine, and this power steering gear possesses: as the battery 1 of main power source; By ignition lock 6 and battery 1 bonded assembly main power circuit 10; The assisting motor 2 of boosting power is provided and applies to steering shaft (not shown) by the electric power that provides from battery 1; The controller 3 of the work of control assisting motor 2; And emergency power supply unit 9, it moves when the main power source system exception that is made of battery 1 and main power circuit 10, replaces the main power source system.
In addition, power steering gear possesses: the communication line 5 that detects steering angle and steering torque and will this detected information output to the sensor 4 of controller 3 and be used to make sent-received message between controller 3 and other controller (not shown).
Assisting motor 2 is that one of vehicle subsidiary engine that the electric power provided by main power source system 1,10 drives is provided, by these subsidiary engines are carried out the action that co-operative control comes control vehicle.
Emergency power supply unit 9 possesses: accessory feed 20, and it accumulates electric power; Charge circuit 21, its power charge that will provide from main power circuit 10 is to accessory feed 20; Discharge circuit 22, its electric power that will be accumulated in the accessory feed 20 when main power source system 1,10 is unusual offers assisting motor 2 by controller 3; And emergency control circuit 40, when it judges main power source system 1,10 unusual, the work of control discharge circuit 22 and assisting motor 2 when unusual.
On main power circuit 10 and discharge circuit 22, be separately installed with diode 11,12, to stop the refluence of electric current.
Microprocessor unit), FPROM (field programmable read only memory: be that main portion constitutes field-programmable read-only storage) etc. emergency control circuit 40 is with MPU (microprocessor unit:.
When being connected with on the emergent control unit 43, detect the emergency sensor 30 as the emergency detector of steering state at main power source system 1,10 unusual.
The detection signal of the judged result of judging unit 41 and emergency sensor 30 is input to emergent control unit 43 when unusual, and by communication line 5 or wirelessly with antenna 8 operation information of vehicle is input to the control unit 43 of meeting an urgent need from communication unit 44.Then, information according to these inputs, to controller 3, wherein, described signal is the signal that the operative condition of the operative condition steering state of the vehicle when unusual according to main power source system 1,10 and vehicle is controlled the work of assisting motor 2 with following signal output.
In addition, be connected with siren horn 45 on emergent control unit 43, emergent control unit 43 makes siren horn 45 work when main power source system 1,10 is unusual, unusual to chaufeur notice main power circuit 10.
In addition, communication unit 44 will notify main power source system 1,10 unusual information, by communication line 5, wirelessly send to other not shown Vehicle Controller with antenna 8 etc.
The following describes the action of power steering gear.
When connecting the common running of ignition lock 6, main power source system 1,10 normal operation, provide electric power to controller 3 from main power circuit 10.The operation information of the vehicles such as vehicle velocity signal that controller 3 receives according to the detection signal of sensor 4, by communication line 5 is to assisting motor 2 output driving currents.Thus, assisting motor 2 applies suitable boosting power to steering shaft, alleviates the steering-wheel effort of chaufeur.
During common running, be accumulated in the double-layer capacitor of accessory feed 20 from the electric power of main power circuit 10.Double-layer capacitor is compared with the storage battery that utilizes chemical reaction has high charge efficiency, and it is long to discharge and recharge cycle lie, needn't safeguard substantially.
Detect under main power source system 1,10 situation when unusual at judging unit 41 when unusual, emergency power supply unit 9 is worked automatically.For example be meant during main power source system 1,10 unusual owing to battery 1 deterioration makes output voltage and be lower than the situation of specified value, the situation that makes main power circuit 10 broken strings such as have an accident etc.
When this main power source system 1,10 unusual, accessory feed control unit 42 control discharge circuits 22 make that the electric power with accessory feed 20 offers assisting motor 2 by controller 3.In addition, emergent control unit 43 with following signal output to controller 3, wherein, described signal is a signal of controlling the work of assisting motor 2 according to the operative condition of the vehicle that receives by emergency sensor 30 detected steering states and by communication unit 44.Thus, as propulsion source, the operative condition of the vehicle according to main power source system 1,10 when unusual carries out work to assisting motor 2 with accessory feed 20.
Like this, according to present embodiment 1, emergency power supply unit 9 moves, and makes that the electric power with accessory feed 20 offers assisting motor 2 by controller 3, and the operative condition of the vehicle when unusual is controlled the work of assisting motor 2 according to main power source system 1,10.Thereby even because car accident etc. and having taken place under the unusual situation in main power source system 1,10, assisting motor 2 also applies required boosting power to steering shaft, makes that chaufeur can steering.
In addition, owing to possess emergency sensor 30, even therefore when main power source system 1,10 is unusual from the signal interruption of the sensor 4 that detects steering angle and steering torque, emergency power supply unit 9 also can be controlled the work of assisting motor 2 according to the detection signal of emergency sensor 30.
In addition, emergency control circuit 40 possesses the information that notice main power source system 1,10 is unusual by communication line 5 or the wireless communication unit 44 that sends to other Vehicle Controller with antenna 8, therefore each Vehicle Controller can carry out the unusual corresponding co-operative control with main power circuit 10, prevents secondary failure etc.
And, because emergency power supply unit 9 modularity ground has accessory feed 20, charge circuit 21 and emergency control circuit 40, therefore can be arranged on controller 3 near.Therefore, even battery 1 damage such as grade of main power source system when accident takes place, emergency power supply unit 9 also is difficult to be damaged, and has improved the possibility of keeping the work of power steering gear by emergency power supply unit 9.
In addition, in above-mentioned embodiment 1, though both control the work of assisting motor 2 to emergent control unit 43 according to the operative condition of steering state and vehicle, also can control the work of assisting motor 2 according in the operative condition of steering state and vehicle any one.
In addition, can also be controlled to and make by communication line 5 to emergency control circuit 40 inputs and relevant information such as chaufeur, road, even chaufeur does not carry out steering operation and automatically carries out steering by assisting motor 2 yet, guiding vehicles is arrived urgent stop position.
With reference to the relevant emergency power supply unit of Fig. 2 explanation and embodiment of the present invention 2.Fig. 2 is the block diagram of the structure of the expression rear light device that the emergency power supply unit relevant with present embodiment 2 is applied to vehicle.In addition, be marked with identical Reference numeral and omit its detailed description for the structure identical with above-mentioned embodiment 1.
Rear light device is installed in the vehicle as industrial machine, and this rear light device possesses: as the battery 1 of main power source; With battery 1 bonded assembly main power circuit 10; In series be installed in main switch 76 and pilot switch 77 on the main power circuit 10; Be arranged on the rear portion of vehicle and the taillight 72 that carries out work by main switch 76 and pilot switch 77; Controller 55 to main switch 76 and pilot switch 77 output instruction signals; And action and replace the emergency power supply unit 9 of main power source system when the main power source system exception that constitutes by battery 1 and main power circuit 10.
Taillight 72 is one of subsidiary engines of the vehicle that drives of the electric power that utilizes main power source system 1,10 to provide, by these subsidiary engines are carried out the action that co-operative control comes control vehicle.
Emergency power supply unit 9 possesses: accessory feed 20, and it accumulates electric power; Charge circuit 21, its power charge that will provide from main power circuit 10 is to accessory feed 20; Discharge circuit 22, its electric power that will be accumulated in the accessory feed 20 when main power source system 1,10 is unusual offers taillight 72 by pilot switch 77; And emergency control circuit 50, when it judges main power source system 1,10 unusual, the work of control discharge circuit 22 and taillight 72 when unusual.
The judged result of judging unit 51 is input to emergent control unit 53 when unusual, and by communication line 5 or wirelessly with antenna 8 operation information of vehicle is input to the control unit 53 of meeting an urgent need from communication unit 44.Then, based on the information of input, the operative condition of the vehicle when will be according to main power source system 1,10 unusual is controlled the signal output of work of taillight 72 to pilot switch 77.
The following describes the action of rear light device.
When the common running of main power source system 1,10 normal operation, the electric power of automatic power supply circuit 10 offers taillight 72 by main switch 76 in the future, lights taillight 72.During this period, the electric power from main power circuit 10 is accumulated in the double-layer capacitor of accessory feed 20.
Detect under main power source system 1,10 situation when unusual at judging unit 51 when unusual, emergency power supply unit 9 is worked automatically.When main power source system 1,10 was unusual, accessory feed control unit 52 control discharge circuits 22 made that the electric power with accessory feed 20 offers taillight 72.In addition, emergent control unit 53 will be controlled the signal output of work of taillight 72 to pilot switch 77 according to the operative condition of the vehicle that is received by communication unit 44.Thus, as propulsion source, the operative condition of the vehicle according to main power source system 1,10 when unusual carries out work to taillight 72 with accessory feed 20.
Like this, according to present embodiment 2, main switch 76 and pilot switch 77 in series are installed on main power circuit 10, when the common running of main power source system 1,10 normal operation, utilize the electric power of battery 1 to light taillight 72, when main power source system 1,10 is unusual, utilize the electric power of accessory feed 20 to light taillight 72 by pilot switch 77 by main switch 76.Thereby, even make owing to car accident etc. under the situation of main power circuit 10 broken strings, also can the pattern when emergent light taillight 72, the existence of this car of vehicle untill further notice rearwards.In addition, realized the simplification of circuit structure, suppressed to make the situation of circuit broken string owing to accident etc.
Embodiment 3
With reference to the relevant emergency power supply unit of Fig. 3 explanation and embodiment of the present invention 3.Fig. 3 is the block diagram that expression is applied to the emergency power supply unit relevant with present embodiment 3 structure of commercial unit.In addition, be marked with identical Reference numeral and omit its detailed description for the structure identical with above-mentioned embodiment 1.
The commercial unit of having used the emergency power supply unit relevant with present embodiment 3 is meant the industrial machine of chemical device, generating set, manufacturing line etc., by turning round according to from the instruction of control center a plurality of subsidiary engines such as motor, fan, heat treatment furnace, motorized valve being carried out co-operative control.
Commercial unit possesses: main power source 1; With main power source 1 bonded assembly main power circuit 10; Be provided the independent power supply 1a of each subsidiary engine 7 of the electric power of main power source 1; Subsidiary engines 7 such as the motor that the electric power that utilization provides from independent power supply 1a drives, heat treatment furnace, motorized valve; The main control unit 65 of the work of control subsidiary engine 7; Main control unit 65 is sent the control center 66 of instruction; And emergency power supply unit 9, it moves when the main power source system exception that is made of main power source 1 and main power circuit 10, replaces the main power source system.
In addition, commercial unit possesses: sensor 4, and the mode of operation that it detects subsidiary engine 7 should detected information output to main control unit 65; And communication line 5, it is used for sent-received message between main control unit 65 and control center 66.
Judging unit 61 detects the voltage of main power circuit 10 when unusual, the situation of this detected voltage more than specified value judge into main power circuit 10 just often, when the situation that is lower than specified value at this detected voltage judges to main power circuit 10 unusual.
Be connected with the emergency sensor 30 that when main power source system 1,10 is unusual, detects the mode of operation of subsidiary engine 7 on the emergent control unit 63.
The detection signal of the judged result of judging unit 61 and emergency sensor 30 is input to emergent control unit 63 when unusual, and by communication line 5 or wirelessly with antenna 8 operation information of commercial unit is input to the control unit 63 of meeting an urgent need from communication unit 44.And, information based on these inputs, to main control unit 65, wherein, described signal is the signal that the operative condition of the operative condition subsidiary engine 7 of the commercial unit when unusual according to main power source system 1,10 and equipment integral is controlled the work of subsidiary engine 7 with following signal output.
The following describes the action of commercial unit.
When the common running of main power source system 1,10 normal operation, provide electric power to independent power supply 1a from main power circuit 10.Main control unit 65 is based on the detection signal of sensor 4, by the operation information of communication line 5 from the commercial unit of control center's 66 receptions, to subsidiary engine 7 output driving currents.When this common running, be accumulated in the double-layer capacitor of accessory feed 20 from the electric power of main power circuit 10.
Detect under main power source system 1,10 situation when unusual at judging unit 61 when unusual, emergency power supply unit 9 is worked automatically.When main power source system 1,10 was unusual, accessory feed control unit 62 control discharge circuits 22 made that the electric power with accessory feed 20 offers independent power supply 1a.In addition, emergent control unit 63 with following signal output to main control unit 65, wherein, described signal is a signal of controlling the work of subsidiary engine 7 according to the operative condition of the commercial unit that receives by the mode of operation of emergency sensor 30 detected subsidiary engines 7 and by communication unit 44.Thus, as propulsion source, the operative condition of the commercial unit according to main power source system 1,10 when unusual carries out work to subsidiary engine 7 with accessory feed 20.
In commercial unit, under the unexpected situation about breaking,, therefore can't control each subsidiary engine 7 owing to earthquake, fire etc. by control center 66 because the electric power of main power source 1 can't be provided each subsidiary engine 7 at situation, main power circuit 10 that main power source 1 has a power failure.But, according to present embodiment 3, emergency power supply unit 9 moves and makes electric power with accessory feed 20 offer independent power supply 1a and the operative condition of the commercial unit when unusual is controlled subsidiary engine 7 according to main power source system 1,10 work, even therefore also can stably control the main device that pharmaceutical chemicals provides equipment, heat treatment furnace etc. when main power source system 1,10 is unusual.
In addition, in above-mentioned embodiment 3, both control the work of subsidiary engine 7 to emergent control unit 63 according to the operative condition of the mode of operation of subsidiary engine and commercial unit, but also can control the work of subsidiary engine 7 according in the operative condition of the mode of operation of subsidiary engine and commercial unit any one.
In addition, utilize the supply capability of main power source 1 to carry out under the situation of work at main control unit 65, when main power source system 1,10 is unusual, if provide the electric power of accessory feed 20 to the independent power supply of main control unit 65, though then when main power source system 1,10 is unusual main control unit 65 do not stop yet.
The present invention is not limited to above-mentioned embodiment, certainly carries out various changes in this technological thought scope.
For example, emergency control apparatus 9 is stored in the control content among the FPROM of emergency control circuit 40,50,60 by change, can also be applied to other device.
In addition, accessory feed 20 is not limited to double-layer capacitor, for example also can use lead battery, alkaline battery, fuel cell etc.
And the electric power that is charged to accessory feed 20 is not limited to provide from main power circuit 10, also can provide from solar cell etc.
Industrial applicibility
Emergency power supply unit of the present invention is not limited to be applied to the power steering apparatus of vehicle Put, taillight, can also be applied to other devices such as electric window device, headlight.
Claims (4)
1. an emergency power supply unit replaces the main power source system when the main power source system exception, it is characterized in that possessing:
Industrial machine, it turns round by coming the subsidiary engine of work to carry out co-operative control to the electric power that utilizes above-mentioned main power source system to provide;
Accessory feed, it accumulates electric power;
Charge circuit, its power charge that will provide from main power source is to above-mentioned accessory feed;
Discharge circuit, it provides the electric power that is accumulated in the above-mentioned accessory feed to above-mentioned subsidiary engine; And
Emergency control circuit, it is when above-mentioned main power source system exception, control above-mentioned discharge circuit and make the electric power of above-mentioned accessory feed is provided to above-mentioned subsidiary engine, and the operative condition of the above-mentioned industrial machine during according to above-mentioned main power source system exception is controlled the work of above-mentioned subsidiary engine
Wherein, above-mentioned industrial machine is a vehicle, and above-mentioned subsidiary engine is the motor that steering shaft is applied boosting power,
Wherein, described emergency power supply unit also possesses the emergency detector that detects the steering state when above-mentioned main power source system exception, and
Wherein, above-mentioned emergency control circuit is controlled the work of said motor according to the signal of above-mentioned emergency detector.
2. emergency power supply unit according to claim 1 is characterized in that,
Above-mentioned emergency control circuit possesses:
Judging unit when unusual is when it judges above-mentioned main power source system unusual;
The accessory feed control unit, it is controlled above-mentioned discharge circuit and makes the electric power of above-mentioned accessory feed is provided to above-mentioned subsidiary engine when above-mentioned main power source system exception;
Emergent control unit, the operative condition of its above-mentioned industrial machine during according to above-mentioned main power source system exception is controlled the work of above-mentioned subsidiary engine.
3. emergency power supply unit according to claim 1 is characterized in that,
The operative condition of above-mentioned industrial machine comprises the mode of operation of above-mentioned subsidiary engine.
4. emergency power supply unit according to claim 3 is characterized in that,
Above-mentioned emergency control circuit possesses communication unit, and this communication unit sends the information of notifying above-mentioned main power source system exception by communication line.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP345960/2004 | 2004-11-30 | ||
| JP2004345975A JP2006158104A (en) | 2004-11-30 | 2004-11-30 | Emergency power system |
| JP345975/2004 | 2004-11-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101068698A CN101068698A (en) | 2007-11-07 |
| CN100482498C true CN100482498C (en) | 2009-04-29 |
Family
ID=36635711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200580041098 Expired - Fee Related CN100482498C (en) | 2004-11-30 | 2005-11-29 | Emergency electric power supply unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006158104A (en) |
| CN (1) | CN100482498C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011197889A (en) * | 2010-03-18 | 2011-10-06 | Mitsubishi Electric Corp | Programmable controller |
| CN101969220A (en) * | 2010-09-25 | 2011-02-09 | 华为终端有限公司 | Emergent communication device and emergent communication method of equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2190366Y (en) * | 1994-06-16 | 1995-02-22 | 辜海青 | Automatic urgent electric source |
| CN1113616A (en) * | 1993-12-30 | 1995-12-20 | 三星电子株式会社 | Backup power-supply system for emergency |
| CN1117772A (en) * | 1993-02-12 | 1996-02-28 | 硅能电子公司 | An emergency power system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03196746A (en) * | 1989-12-26 | 1991-08-28 | Toshiba Corp | Radio telephone set |
| JPH05161283A (en) * | 1991-11-28 | 1993-06-25 | Nec Corp | Cvcf power supply unit |
| JP2001242968A (en) * | 2000-02-29 | 2001-09-07 | Japan Storage Battery Co Ltd | Uninterruptible power supply |
| JP2001333547A (en) * | 2000-05-22 | 2001-11-30 | Japan Storage Battery Co Ltd | Uninterruptible power supply |
-
2004
- 2004-11-30 JP JP2004345975A patent/JP2006158104A/en active Pending
-
2005
- 2005-11-29 CN CN 200580041098 patent/CN100482498C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117772A (en) * | 1993-02-12 | 1996-02-28 | 硅能电子公司 | An emergency power system |
| CN1113616A (en) * | 1993-12-30 | 1995-12-20 | 三星电子株式会社 | Backup power-supply system for emergency |
| CN2190366Y (en) * | 1994-06-16 | 1995-02-22 | 辜海青 | Automatic urgent electric source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101068698A (en) | 2007-11-07 |
| JP2006158104A (en) | 2006-06-15 |
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Address after: Tokyo, Japan, Japan Patentee after: KAYABA INDUSTRY CO LTD Patentee after: Ashitate Electric Co., Ltd. Address before: Tokyo, Japan, Japan Patentee before: Kayaba Industry Co., Ltd. Patentee before: Ashitate Electric Co., Ltd. |
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Granted publication date: 20090429 Termination date: 20191129 |
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