CN104638687B - Car emergency startup power supply - Google Patents
Car emergency startup power supply Download PDFInfo
- Publication number
- CN104638687B CN104638687B CN201310548515.0A CN201310548515A CN104638687B CN 104638687 B CN104638687 B CN 104638687B CN 201310548515 A CN201310548515 A CN 201310548515A CN 104638687 B CN104638687 B CN 104638687B
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- China
- Prior art keywords
- voltage
- open circuit
- circuit protection
- protection module
- power supply
- 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.)
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Links
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 claims description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 7
- 238000007600 charging Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- QSNQXZYQEIKDPU-UHFFFAOYSA-N [Li].[Fe] Chemical compound [Li].[Fe] QSNQXZYQEIKDPU-UHFFFAOYSA-N 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
Abstract
The invention provides a kind of car emergency startup power supply, it includes battery module；Voltage-stabilized power supply；Load end；First order open circuit protection module；Second level open circuit protection module；Detection means, for detecting the voltage of load end, for detecting the voltage of first order open circuit protection module, for detecting the voltage of second level open circuit protection module, for being converted into electric signal by the result for detecting；Control device, for controlling the outside output HIGH voltage of voltage-stabilized power supply or low-voltage, for the electric signal that receiving detection device sends, for being controlled to first order open circuit protection module or second level short circuit protection module according to the electric signal for receiving；When car emergency startup power supply starts, control device orders about voltage-stabilized power supply output HIGH voltage, and second level open circuit protection module and first order open circuit protection module are in turn switched on；When the voltage of load end is higher than the voltage of battery module, control device turns off first order open circuit protection module and second level open circuit protection module successively.
Description
Technical field
The present invention relates to a kind of startup power supply, more particularly to a kind of car emergency startup power supply.
Background technology
Car emergency startup power supply is used for automobile starting under extreme conditions, such as cold-starting.Carry at short notice
For high current, so as to start automobile.Under extreme conditions, moment locked rotor current belongs to the typical short time up to more than 1000A
Heavy-current discharge situation.
Market is got on the car, and the overwhelming majority is to use lead-acid battery system to emergency starting power supply (Jump-starter) product for many years
Make.Lead-acid battery is likely to result in serious environmental pollution in manufacture, use, removal process；And emergency starting power supply belongs to
The non-common equipment used under low temperature environment, standby time are long.Lead in lead-acid battery is susceptible to oxidation, causes the battery cannot
Normal work.The car emergency startup power supply of useful big multiplying power ferric phosphate lithium cell manufacture in prior art, but big multiplying power phosphorus
Sour lithium iron battery price is too high, and market acceptance level is low.
Big multiplying power ternary lithium battery is more or less the same with lead-acid battery price, belongs to the model being easily acceptable to the market on cost
Enclose.But emergency starting power supply is not made using ternary lithium battery in prior art, this is because use in the automobile of existing standard
Electrical equipment rated voltage is 12V, cannot be greater than 14.4V, otherwise easily causes electrical appliance and burn, cannot be less than 7.2V, otherwise cannot
Formed and effectively power.The big multiplying power ternary lithium battery of single-unit voltage after filling is 4.2V, and four string ternary lithium battery groups charge electric
Pressure will reach 4.2V × 4=16.8V, and voltage is too high.After 12V automobile starting, generator will be charged to storage battery, and charging voltage is permissible
Reach 14.4V.And three string ternary lithium battery group charging voltages are necessarily less than or are equal to 4.2V × 3=12.6V, 12V automobile starting
The 14.4V charging voltage of generator, can cause battery overheated to three string ternary lithium battery groups reversely overvoltage chargings afterwards, or even
Cause burning.
Therefore, discharge loop must high reliability ensure that automobile is activated after, automobile current generator produce 14.4V charge electricity
During pressure, in time automobile current generator is disconnected in three string ternary lithium battery groups, it is to avoid fill to the reverse overvoltage of three string ternary lithium battery groups
Electricity.
Content of the invention
In order to above-mentioned technical problem is solved, a kind of car emergency startup power supply in the present invention, is disclosed, which can solve
State one or more in problem.
The invention discloses a kind of car emergency startup power supply, it includes battery module, and which includes that at least two is mutual
Three string ternary lithium battery groups in parallel；Voltage-stabilized power supply, its exportable high voltage and low-voltage；Load end, its are used for receiving described
The voltage of battery module or voltage-stabilized power supply is simultaneously outwards exported；First order open circuit protection module, which is used for the car emergency
Startup power supply is opened and closed；Second level open circuit protection module, its are used for being opened and closed the car emergency startup power supply；Detection
Device, its are used for detecting the voltage of the load end which to be used for detecting the voltage of first order open circuit protection module which to be used for detecting
The voltage of second level open circuit protection module, its are used for for the result for detecting being converted into electric signal；Control device, its are used for controlling
The outside output HIGH voltage of the voltage-stabilized power supply or low-voltage, which is used for receiving the electric signal that the detection means sends, and which is used for
The first order open circuit protection module or second level short circuit protection module are controlled according to the electric signal for receiving；When described
When car emergency startup power supply starts, the control device orders about the voltage-stabilized power supply output HIGH voltage, the second level open circuit
Protection module and the first order open circuit protection module are in turn switched on；When the voltage of the load end is higher than the battery module
Voltage when, the control device turns off the first order open circuit protection module and the second level open circuit protection module successively.
Preferably, the second level open circuit protection module includes the relay being serially connected and thermistor module, described
Relay is controlled by the control device, and the thermistor module includes one or more temperature-sensitive electricity parallel with one another
Resistance.
Preferably, the second open circuit protection module open circuit protection module includes the triode being serially connected and protection mould
Block, the triode are controlled by the control device, the protection module include multiple thermistors parallel with one another and
The FET that mutually connects one by one with thermistor.
Preferably, the thermistor is PTC thermistor.
Preferably, two grades of open circuit protection modules are connected with the negative or positive electrode of battery pack.
Preferably, the high voltage of the voltage-stabilized power supply output is 11V, and the low-voltage of the voltage-stabilized power supply output is 7V.
Preferably, when the car emergency startup power supply is in normal operating conditions, the voltage-stabilized power supply exports low electricity
Pressure, the first order open circuit protection module and the second level open circuit protection module.
Preferably, the first order open circuit protection module is relay.
Preferably, the detection means includes the first detector unit and the second detector unit, and first detector unit is used
In detecting to the load end, second detector unit is used for detecting the second level open circuit protection module,
First detector unit and second detector unit are used for detecting the first order open circuit protection module.
Preferably, the detection means includes the first detector unit and the second detector unit, and first detector unit is used
In detecting to the second level open circuit protection module, second detector unit is used for the first order open circuit protection mould
Block is detected that first detector unit and second detector unit are used for detecting the load end.
Implement technical scheme to solve make car emergency startup with ternary lithium battery in prior art
The technical problem of power supply；Implement technical scheme, can achieve to prevent ternary lithium battery reverse charging, overcurrent electric discharge and
Battery is overheated, it is ensured that the safety of system.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for technology description is had to be briefly described, it should be apparent that, drawings in the following description are only this
A kind of embodiment of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the first embodiment of car emergency startup power supply in the present invention.
Fig. 2 is the structural representation of the second embodiment of car emergency startup power supply in the present invention.
In accompanying drawing：1st, battery module；11st, three string ternary lithium battery group；2nd, voltage-stabilized power supply；3rd, load end；41st, the first inspection
Survey unit；42nd, the second detector unit；5th, first order open circuit protection module；6th, second level open circuit protection module；61st, thermistor；
62nd, relay；63rd, FET；64th, triode；7th, control device.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The invention discloses a kind of car emergency startup power supply, it include battery module 1, voltage-stabilized power supply 2, load end 3,
Detection means, first order open circuit protection module 5, second level open circuit protection module 6 and control device 7.
Particularly, battery module 1 includes at least two groups three string ternary lithium battery groups 11 being mutually juxtaposed.In this enforcement
In example, battery module 1 includes two group of three string ternary lithium battery group 11.The exportable high voltage of voltage-stabilized power supply 2 and low-voltage, at this
In embodiment, the high voltage that voltage-stabilized power supply 2 is exported can be 11V, and the low-voltage that the voltage-stabilized power supply 2 is exported can be 7V.Negative
Carry the voltage that end 3 can receive battery module 1 or voltage-stabilized power supply 2, it is possible to externally export.Detection means is described for detecting
The voltage of load end 3, its are used for detecting the voltage of first order open circuit protection module 5 which to be used for detecting second level open circuit protection mould
The voltage of block 6.The result for detecting is converted into electric signal by detection means.Control device 7 is mutually electrically connected with detection means.Control dress
7 electric signals that can be sent are put with receiving detection device.In the present embodiment, detection means includes the first detector unit 41 and
Two detector units 42, the first detector unit 41 are used for detecting the load end 3 that it is right that second detector unit 42 is used for
The second level open circuit protection module 6 is detected that the first detector unit 41 and second detector unit 42 are used for described
First order open circuit protection module 5 is detected.The electric signal that control device 7 can be sent according to the detection means for receiving is to institute
State first order open circuit protection module 5 or second level short circuit protection module is controlled.First order open circuit protection module 5 and the second level
Open circuit protection module 6 can be arranged on 1 negative or positive electrode of battery module.In the present embodiment, first order open circuit protection module 5
1 positive pole of battery module is both connected to second level open circuit protection module 6.First order open circuit protection module 5 can be relay.
Car emergency startup power supply can be closed by first order open circuit protection module 5.Second level open circuit protection module 6 can be included mutually
The relay 62 of series connection and 61 module of thermistor.61 module of thermistor includes multiple thermistors 61 being mutually juxtaposed.The
Car emergency startup power supply can be closed by two grades of open circuit protection modules 6.Control device 7 is mutually electrically connected with voltage-stabilized power supply 2.Control dress
Put 7 and can control the outside output HIGH voltage of voltage-stabilized power supply 2 or low-voltage.Control device 7 is mutually electrically connected with detection means.Control device
The electric signal that 7 receiving detection devices send, and be controlled according to electric signal.Control device 7 and first order open circuit protection module 5
Mutually it is electrically connected.Control device 7 can control the break-make of first order open circuit protection module 5.Control device 7 and second level open circuit protection mould
Block 6 is mutually electrically connected.Control device 7 can control the break-make of second level open circuit protection module 6.In the present embodiment, load end 3 is permissible
It is connected with storage battery, motor etc..
When the car emergency startup power supply starts, the control device 7 orders about the voltage-stabilized power supply 2 and exports high electricity
Pressure, the second level open circuit protection module 6 and the first order open circuit protection module 5 are in turn switched on.
When the voltage of the load end 3 is higher than the voltage of the battery module 1, the control device 7 is turned off successively
The first order open circuit protection module 5 and the second level open circuit protection module 6.
When the car emergency startup power supply is in normal operating conditions, the voltage-stabilized power supply 2 exports low-voltage, described
First order open circuit protection module 5 and the second level open circuit protection module 6.
Car emergency startup power supply operation principle in the present invention is as follows：Startup control device 7 is carried out to voltage-stabilized power supply 2
Control makes its output HIGH voltage cause its triggering second level open circuit protection module 6, and control device 7 is to second level open circuit protection module
6 are controlled such which is connected in the state of not charged, and control device 7 is controlled to first order open circuit protection module 5 again
So which is connected in the state of powered.When car emergency startup power supply is in normal work, control device 7 maintains the first order
Open circuit protection module 5 and the connection of second level open circuit protection module 6, reduce the voltage that voltage-stabilized power supply 2 exports and which are maintained
Low-voltage.When the voltage that car emergency startup power supply detects load end 3 is higher than the voltage of battery module 1, control module
It is controlled such that to first order open circuit protection module 5 which is disconnected in the state of powered, control module is again to second level open circuit
Protection module 6 is controlled such which is disconnected in the state of not charged.
In sum, upon actuation, automobile current generator may produce 14.4V charging voltage to automobile.Now, in the present invention
Car emergency startup power supply automobile current generator can be disconnected with battery module 1, it is to avoid to the reverse overvoltage of battery module 1
Charge.Meanwhile, start and disconnection process in, second level open circuit protection module 6 is operated under the conditions of uncharged all the time.
When first order open circuit protection module 5 breaks down, second level open circuit protection module 6 can just occur a hot line job, but,
After current hot line job, the car emergency startup power supply is also scrapped and cannot be reused, and so, would not occur because of first
Level open circuit protection module 5 or the failure of the second open circuit protection module and cause reversely overvoltage to charge.Thus, using automobile of the present invention
Emergency starting power supply safe and reliable.
In one preferred embodiment, second level power failure protection module includes the triode 64 that connects and protection mould
Block, the triode 64 are controlled by control device 7, and the protection module includes multiple 61 Hes of thermistor parallel with one another
The FET 63 that mutually connects one by one with thermistor 61.After first order power failure protection module fails, FET 63 disconnects
And no longer work.In the present embodiment, first order open circuit protection module 5 is connected to 1 positive pole of battery module, second level open circuit
Protection module 6 is connected to 1 negative pole of battery module.Detection means includes the first detector unit 41 and the second detector unit 42, institute
The first detector unit 41 is stated for detecting that second detector unit 42 is used for the second level open circuit protection module 6
The first order open circuit protection module 5 is detected that first detector unit 41 and second detector unit 42 are for right
The load end 3 is detected.
In one preferred embodiment, thermistor 61 can be PTC thermistor 61.PTC is Positive
The abbreviation of Temperature Coefficient, the meaning are positive temperatures coefficient, refer to the very big semiconductor material of positive temperature coefficient
Material or components and parts.PTC thermistor 61 is the semiconductor resistor that a kind of typical case has temperature sensitivity, more than certain temperature
When (Curie temperature), its resistance value is with rising the increasing in step evolution of temperature.
It is pointed out that presently preferred embodiments of the present invention is the foregoing is only, not in order to limit the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement that is made etc., should be included in the guarantor of the present invention
Within the scope of shield.
Claims (9)
1. a kind of car emergency startup power supply, it is characterised in that：It includes
Battery module, it include at least two three string ternary lithium battery groups parallel with one another；
Voltage-stabilized power supply, the voltage-stabilized power supply are in parallel with the battery module, for output HIGH voltage or low-voltage；
Load end, the load end are connected with the battery module and the voltage-stabilized power supply respectively, for receiving the electricity
The voltage of pond group module or voltage-stabilized power supply is simultaneously outwards exported；
First order open circuit protection module, the first order open circuit protection module are in series with the load end, for the vapour
Car emergency starting power supply is opened and closed；
Second level open circuit protection module, the second level open circuit protection module are in series with the load end, for the vapour
Car emergency starting power supply is opened and closed；
Detection means, its are used for detecting the voltage of the load end which to be used for detecting the voltage of first order open circuit protection module, its
For detecting the voltage of second level open circuit protection module, which is used for for the result for detecting being converted into electric signal；
Control device, the control device are connected with the voltage-stabilized power supply and the detection means respectively, described for controlling
The outside output HIGH voltage of voltage-stabilized power supply or low-voltage, its are used for receiving the electric signal that the detection means sends, and which is used for basis
The electric signal for receiving is controlled to the first order open circuit protection module or second level open circuit protection module；
When the car emergency startup power supply starts, the control device orders about the voltage-stabilized power supply output HIGH voltage, described
Second level open circuit protection module and the first order open circuit protection module are in turn switched on；
When the voltage of the load end is higher than the voltage of the battery module, the control device turns off described first successively
Level open circuit protection module and the second level open circuit protection module.
2. car emergency startup power supply according to claim 1, it is characterised in that：The second level open circuit protection module bag
The relay and thermistor module being serially connected is included, the relay is controlled by the control device, the temperature-sensitive electricity
Resistance module includes one or more thermistors parallel with one another.
3. car emergency startup power supply according to claim 1, it is characterised in that：The second level open circuit protection module bag
The triode and protection module being serially connected is included, the triode is controlled by the control device, the protection module bag
Include multiple thermistors parallel with one another and the FET that mutually connects one by one with thermistor.
4. the car emergency startup power supply according to Claims 2 or 3, it is characterised in that：The thermistor is PTC temperature-sensitive
Resistance.
5. car emergency startup power supply according to claim 1, it is characterised in that：The second level open circuit protection module with
The negative or positive electrode of battery pack is connected.
6. car emergency startup power supply according to claim 1, it is characterised in that：The high voltage of the voltage-stabilized power supply output
For 11V, the low-voltage of the voltage-stabilized power supply output is 7V.
7. car emergency startup power supply according to claim 1, it is characterised in that：The first order open circuit protection module is
Relay.
8. car emergency startup power supply according to claim 1, it is characterised in that：The detection means includes the first detection
Unit and the second detector unit, first detector unit be used for the load end is detected, second detector unit
For detecting to the second level open circuit protection module, first detector unit and second detector unit are for right
The first order open circuit protection module is detected.
9. car emergency startup power supply according to claim 1, it is characterised in that：The detection means includes the first detection
Unit and the second detector unit, first detector unit are used for detecting the second level open circuit protection module, described
Second detector unit is used for detecting the first order open circuit protection module that first detector unit and described second to be examined
Surveying unit is used for detecting the load end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548515.0A CN104638687B (en) | 2013-11-07 | 2013-11-07 | Car emergency startup power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310548515.0A CN104638687B (en) | 2013-11-07 | 2013-11-07 | Car emergency startup power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104638687A CN104638687A (en) | 2015-05-20 |
| CN104638687B true CN104638687B (en) | 2017-03-08 |
Family
ID=53217137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310548515.0A Active CN104638687B (en) | 2013-11-07 | 2013-11-07 | Car emergency startup power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104638687B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793185A (en) * | 1997-06-10 | 1998-08-11 | Deltona Transformer Corporation | Jump starter |
| CN102198803A (en) * | 2011-04-12 | 2011-09-28 | 海日升电器制品(深圳)有限公司 | Automobile emergency starting method and emergency starting power supply suitable for low temperature environment |
| CN102222883A (en) * | 2011-06-28 | 2011-10-19 | 上海广为美线电源电器有限公司 | Automatic over-current and short-circuit protecting and restoring circuit of jump start power |
| CN102340168A (en) * | 2010-07-23 | 2012-02-01 | 朴昌浩 | Portable emergency starting power supply |
-
2013
- 2013-11-07 CN CN201310548515.0A patent/CN104638687B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793185A (en) * | 1997-06-10 | 1998-08-11 | Deltona Transformer Corporation | Jump starter |
| CN102340168A (en) * | 2010-07-23 | 2012-02-01 | 朴昌浩 | Portable emergency starting power supply |
| CN102198803A (en) * | 2011-04-12 | 2011-09-28 | 海日升电器制品(深圳)有限公司 | Automobile emergency starting method and emergency starting power supply suitable for low temperature environment |
| CN102222883A (en) * | 2011-06-28 | 2011-10-19 | 上海广为美线电源电器有限公司 | Automatic over-current and short-circuit protecting and restoring circuit of jump start power |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104638687A (en) | 2015-05-20 |
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Owner name: XINYIZHE ELECTRONIC TECH CO., LTD., SUZHOU Free format text: FORMER OWNER: SUZHOU ZHONGYUAN POWER TECHNOLOGY CO., LTD. Effective date: 20150608 |
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Effective date of registration: 20150608 Address after: 215155 Xinhua Road, Jiangsu, Xiangcheng District, Hope Town, No. 68, Applicant after: Xinyizhe Electronic Tech Co., Ltd., Suzhou Address before: 215129 98 deer Road, hi tech Development Zone, Jiangsu, Suzhou Applicant before: SUZHOU CHINA POWER TECHNOLOGY CO., LTD. |
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Addressee: Chen Wenming Document name: Notification of Publication of the Application for Invention |
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