CN204376525U - A kind of emergency supply circuit - Google Patents
A kind of emergency supply circuit Download PDFInfo
- Publication number
- CN204376525U CN204376525U CN201520100097.3U CN201520100097U CN204376525U CN 204376525 U CN204376525 U CN 204376525U CN 201520100097 U CN201520100097 U CN 201520100097U CN 204376525 U CN204376525 U CN 204376525U
- Authority
- CN
- China
- Prior art keywords
- auxiliary switch
- automatic transfer
- supply circuit
- way automatic
- transfer equipment
- 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
Abstract
The utility model provides a kind of emergency supply circuit, comprise mains supply line, stand-by power supply circuit, and with the two-way automatic transfer equipment of described mains supply line and stand-by power supply connection, described two-way automatic transfer equipment is connected with power consumption equipment, described two-way automatic transfer equipment is connected with control unit, described control unit carries out real-time sampling and detecting to the instantaneous voltage value of described mains supply line institute input voltage and phase place, and according to the operate time cheracteristic of described two-way automatic transfer equipment, what calculate control signal sends the time, consistent when causing described two-way automatic transfer equipment point operate time and mains supply line input voltage value to reach zero point.By control unit using the time voltage crosses zero point that calculates as some switching time, phenomenon of arc discharge is thoroughly stopped, further ensures the security reliability of equipment operation.
Description
Technical field
The utility model belongs to electric switch equipment, particularly relates to uninterrupted power supply safe power supply technical field.
Background technology
For important electricity consumption occasions such as machine rooms, key equipment needs redundancy backup to power, and avoids a road input power-off to cause an immeasurable loss.For scheme of electric power traditional at present, main power supply and stand-by power supply still use Alternating Current Power Supply, are switched between two-way power supply by automatic transfer equipment.
For the occasion having configuration UPS (uninterrupted power supply), AC power usually by UPS by providing after rectification and inversion, there is following drawback in above this traditional distribution system:
Civil power is through repeatedly AC-DC conversion: at least four conversions such as UPS rectification → UPS inversion → power consumption equipment rectification → power consumption equipment buck, conversion efficiency is low, and transition loss is large, is unfavorable for energy-conserving and environment-protective.
System reliability is low: no matter at UPS end or at power consumption equipment end, often how once to change, just many fault points, many one heavy risk.Any one node occurs extremely all will cause system power supply fault, causes an immeasurable loss.
Cost is high: how civil power is every once changes, just many stage circuit cost, the acquisition cost of adding users.
And automatic transfer equipment exists the requirement of switching time when switching alternating current, avoiding producing sparking phenomenon of arc discharge, needing the more simple changing method of one and switching.
And if direct current is directly powered, traditional interchange automatic switching control equipment cannot switch DC power supply, there is sparking, draws electric arc or the problem such as to cut off not open, and causes the system failure, causes and has a power failure or the major accident such as short circuit.
Therefore need the direct current cut-out technology that introducing one is new, DC channel effectively opened and cuts off,
Utility model content
The utility model provides a kind of emergency supply circuit, be intended to solve loss in prior art large, easily send out that fault point is many, high in cost of production problem.
In order to solve the problem, the utility model provides a kind of emergency supply circuit, comprise mains supply line, stand-by power supply circuit, and with the two-way automatic transfer equipment of described mains supply line and stand-by power supply connection, described two-way automatic transfer equipment is connected with power consumption equipment, it is characterized in that, described two-way automatic transfer equipment is connected with control unit, described control unit carries out real-time sampling and detecting to the instantaneous voltage value of described mains supply line institute input voltage and phase place, and according to the operate time cheracteristic of described two-way automatic transfer equipment, what calculate control signal sends the time, consistent when causing described two-way automatic transfer equipment point operate time and mains supply line input voltage value to reach zero point.
Direct current supply is carried out directly to described power consumption equipment for subsequent use after being cancelled by inversion module in described stand-by power supply circuit, reduce the inversion link of supply side and the rectification link of electricity consumption side thus Loss reducing and equipment fault point reduce equipment cost, and described interchange is undertaken in power supply process by mains supply line, in order to prevent from producing arcing in handoff procedure thus cause cannot open circuit, the utility model utilizes the voltage zero-cross characteristic of alternating current own, thus by control unit using the time voltage crosses zero point that calculates as some switching time, phenomenon of arc discharge is thoroughly stopped, further ensure the security reliability of equipment operation.
Preferably, be provided with first auxiliary switch in parallel with described two-way automatic transfer equipment between described mains supply line with described power consumption equipment, described first auxiliary switch adopts semiconductor switch components and parts, and described first auxiliary switch is electrically connected with described control unit.
Preferably, described stand-by power supply circuit is provided with second auxiliary switch in parallel with described two-way automatic transfer equipment, and described second auxiliary switch adopts semiconductor switch components and parts, and described second auxiliary switch is electrically connected with described control unit.
Preferably, be provided with rectification module and inversion module successively between described mains supply line and described two-way automatic transfer equipment, described power consumption equipment is provided with rectification module and direct current buck module.
Preferably, described stand-by power supply circuit is provided with single channel switching device shifter, described stand-by power supply circuit is provided with three auxiliary switch in parallel with described single channel switching device shifter, and described 3rd auxiliary switch adopts semiconductor switch components and parts, and described 3rd auxiliary switch is connected with described control unit.
Preferably, described first auxiliary switch, the second auxiliary switch and the 3rd auxiliary switch adopt IGBT or MosFET semiconductor switch components and parts.
Preferably, described stand-by power supply circuit be provided with second auxiliary switch in parallel with described two-way automatic transfer equipment between described power consumption equipment, described second auxiliary switch adopts semiconductor switch components and parts, and described second auxiliary switch is electrically connected with described control unit.
The utility model still further provides three kinds of different supply line's conversion methods, and adopt the emergency supply circuit described in technique scheme, wherein the concrete steps of first method are,
When described mains supply line turns stand-by power supply circuit: what described control unit calculated control signal sends time point, the control signal going to stand-by power supply circuit from described mains supply line is sent to described two-way automatic transfer equipment, described two-way automatic transfer equipment disconnects alternating current path at zero-crossing of alternating current place, realizes zero voltage turn-off;
When described stand-by power supply circuit turns mains supply line: what described control unit calculated control signal sends time point, the control signal going to mains supply line from described stand-by power supply circuit is sent to described two-way automatic transfer equipment, described two-way automatic transfer equipment opens alternating current path at zero-crossing of alternating current place, realizes no-voltage open-minded.
The concrete steps of second method are,
When described mains supply line turns stand-by power supply circuit: after described two-way automatic transfer equipment disconnects and exchanging, before direct current is opened, controlled first to open described second auxiliary switch by control unit, make direct current by described second auxiliary switch supply power consumption equipment, described two-way automatic transfer equipment connects and opens DC channel afterwards, can to realize zero current no-voltage open-minded for described two-way automatic transfer equipment thus, after DC channel opened by described two-way automatic transfer equipment, described control unit controls to turn off described second auxiliary switch, direct current is by described two-way automatic transfer equipment supply power consumption equipment,
When described stand-by power supply circuit turns mains supply line: before described two-way automatic transfer equipment turns off direct current, controlled first to drive the described second logical auxiliary switch by control unit, make direct current via the second auxiliary switch supply power consumption equipment, described two-way automatic transfer equipment turns off DC channel more afterwards, realize zero current zero voltage turn-off, after described two-way automatic transfer equipment turns off DC channel, described control unit controls to turn off described second auxiliary switch, disconnect direct current completely, last described two-way automatic transfer equipment opens alternating current path again, turning by AC power is that power consumption equipment is powered.
The concrete steps of the third method are,
When described mains supply line turns stand-by power supply circuit: described single channel switching device shifter is before direct current is opened, controlled first to open described 3rd auxiliary switch by control unit, make direct current by described 3rd auxiliary switch supply power consumption equipment, described single channel switching device shifter connects and opens DC channel afterwards, can to realize zero current no-voltage open-minded for described single channel switching device shifter thus, after DC channel opened by described single channel switching device shifter, described control unit controls to turn off described 3rd auxiliary switch, and direct current is by described single channel switching device shifter supply power consumption equipment;
When described stand-by power supply circuit turns mains supply line: before described single channel switching device shifter turns off direct current, controlled first to drive described threeway auxiliary switch by control unit, make direct current via the 3rd auxiliary switch supply power consumption equipment, described single channel switching device shifter turns off DC channel more afterwards, realize zero current zero voltage turn-off, after described single channel switching device shifter turns off DC channel, described control unit controls to turn off described 3rd auxiliary switch, disconnect direct current completely, last described two-way automatic transfer equipment opens alternating current path again, turning by AC power is that power consumption equipment is powered.
Accompanying drawing explanation
Fig. 1 is the circuit diagram that the utility model embodiment one provides;
Fig. 2 is the circuit diagram that the utility model embodiment two provides;
Fig. 3 is the circuit diagram that the utility model embodiment three provides;
Fig. 4 is the circuit diagram that the utility model embodiment four provides;
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides four embodiments;
Embodiment one
With reference to shown in Fig. 1, a kind of emergency supply circuit, comprise mains supply line (main power supply), stand-by power supply circuit (stand-by power supply), and with the two-way automatic transfer equipment of described mains supply line and stand-by power supply connection, described two-way automatic transfer equipment is connected with power consumption equipment, described two-way automatic transfer equipment is connected with control unit, described control unit is to the instantaneous voltage value of described mains supply line institute input voltage and phase place carries out real-time sampling and detecting draws detection signal, and according to the operate time cheracteristic of described two-way automatic transfer equipment, what calculate control signal sends the time, consistent when causing described two-way automatic transfer equipment point operate time and mains supply line input voltage value to reach zero point.Described interchange is undertaken in power supply process by mains supply line, in order to prevent from producing arcing in handoff procedure thus cause cannot open circuit, the utility model utilizes the voltage zero-cross characteristic of alternating current own, thus by control unit using the time voltage crosses zero point that calculates as some switching time, phenomenon of arc discharge is thoroughly stopped, further ensures the security reliability of equipment operation.The concrete steps of conversion operations method are,
When described mains supply line turns stand-by power supply circuit: what described control unit calculated control signal sends time point, the control signal going to stand-by power supply circuit from described mains supply line is sent to described two-way automatic transfer equipment, described two-way automatic transfer equipment disconnects alternating current path at zero-crossing of alternating current place, realizes zero voltage turn-off;
When described stand-by power supply circuit turns mains supply line: what described control unit calculated control signal sends time point, the control signal going to mains supply line from described stand-by power supply circuit is sent to described two-way automatic transfer equipment, described two-way automatic transfer equipment opens alternating current path at zero-crossing of alternating current place, realizes no-voltage open-minded.
Embodiment two
With reference to shown in Fig. 2, it is for subsequent use that the present embodiment carries out direct current supply directly to described power consumption equipment after being cancelled by the inversion module in described stand-by power supply circuit, reduce inversion link thus Loss reducing and equipment fault point reduction equipment cost, in order to can freely switch between active and standby supply line, prevent and for subsequent usely in mains supply line handoff procedure, occur the situation that direct current cannot cut off, also prevent main in standby handoff procedure further simultaneously, when the method described in embodiment one breaks down, increase a kind of handover scheme, described mains supply line (main power supply) be provided with first auxiliary switch in parallel with described two-way automatic transfer equipment between described power consumption equipment, described first auxiliary switch adopts semiconductor switch components and parts, described first auxiliary switch is electrically connected with described control unit and receives the control signal that described control unit sends and completes operation task.Described stand-by power supply circuit (stand-by power supply) is provided with second auxiliary switch in parallel with described two-way automatic transfer equipment, described second auxiliary switch adopts semiconductor switch components and parts, and described second auxiliary switch is electrically connected with described control unit and receives the control signal that described control unit sends and completes operation task.Be provided with rectification module and inversion module successively between described mains supply line and described two-way automatic transfer equipment, described power consumption equipment is provided with rectification module and direct current buck module.Described first auxiliary switch, the second auxiliary switch adopt IGBT or MosFET semiconductor switch components and parts.Described mains supply line and described stand-by power supply circuit initiating terminal are equipped with independent switch.The concrete steps of conversion operations method are,
When described mains supply line turns stand-by power supply circuit: after described two-way automatic transfer equipment disconnects and exchanging, before direct current is opened, controlled first to open described second auxiliary switch by control unit, make direct current by described second auxiliary switch supply power consumption equipment, described two-way automatic transfer equipment connects and opens DC channel afterwards, can to realize zero current no-voltage open-minded for described two-way automatic transfer equipment thus, after DC channel opened by described two-way automatic transfer equipment, described control unit controls to turn off described second auxiliary switch, direct current is by described two-way automatic transfer equipment supply power consumption equipment,
When described stand-by power supply circuit turns mains supply line: before described two-way automatic transfer equipment turns off direct current, controlled first to drive the described second logical auxiliary switch by control unit, make direct current via the second auxiliary switch supply power consumption equipment, described two-way automatic transfer equipment turns off DC channel more afterwards, realize zero current zero voltage turn-off, after described two-way automatic transfer equipment turns off DC channel, described control unit controls to turn off described second auxiliary switch, disconnect direct current completely, last described two-way automatic transfer equipment opens alternating current path again, turning by AC power is that power consumption equipment is powered.
Embodiment three
Please refer to shown in Fig. 3, the emergency supply circuit that the present embodiment provides and embodiment two different, the present embodiment is the second auxiliary switch in parallel on described two-way automatic transfer equipment not, but single channel switching device shifter is provided with on described stand-by power supply circuit, described stand-by power supply circuit is provided with three auxiliary switch in parallel with described single channel switching device shifter, described 3rd auxiliary switch adopts semiconductor switch components and parts, and described 3rd auxiliary switch is connected with described control unit.Described 3rd auxiliary switch adopts IGBT or MosFET semiconductor switch components and parts.Described mains supply line (main power supply) and described stand-by power supply circuit (stand-by power supply) initiating terminal are equipped with independent switch.The concrete steps of conversion operations method are,
When described mains supply line turns stand-by power supply circuit: described single channel switching device shifter is before direct current is opened, controlled first to open described 3rd auxiliary switch by control unit, make direct current by described 3rd auxiliary switch supply power consumption equipment, described single channel switching device shifter connects and opens DC channel afterwards, can to realize zero current no-voltage open-minded for described single channel switching device shifter thus, after DC channel opened by described single channel switching device shifter, described control unit controls to turn off described 3rd auxiliary switch, and direct current is by described single channel switching device shifter supply power consumption equipment;
When described stand-by power supply circuit turns mains supply line: before described single channel switching device shifter turns off direct current, controlled first to drive described threeway auxiliary switch by control unit, make direct current via the 3rd auxiliary switch supply power consumption equipment, described single channel switching device shifter turns off DC channel more afterwards, realize zero current zero voltage turn-off, after described single channel switching device shifter turns off DC channel, described control unit controls to turn off described 3rd auxiliary switch, disconnect direct current completely, last described two-way automatic transfer equipment opens alternating current path again, turning by AC power is that power consumption equipment is powered.
By on described stand-by power supply circuit, described single channel switching device shifter is set, it is preferred implementation of the present utility model, the advantage of this scheme there are provided higher reliability: even if two-way automatic transfer equipment lost efficacy, also by single channel switching device shifter, duplex feeding is disconnected completely, avoid duplex feeding line short circuit to cause power supply trouble.
Embodiment four
With reference to shown in Fig. 4, the present embodiment in order to can freely switch between active and standby supply line, prevent and for subsequent usely in mains supply line handoff procedure, occur the situation that direct current cannot cut off, also prevent main in standby handoff procedure further simultaneously, direct current impulse current damages the situation of two-way automatic transfer equipment, described stand-by power supply circuit (stand-by power supply) be provided with second auxiliary switch in parallel with described two-way automatic transfer equipment between described power consumption equipment, described second auxiliary switch adopts semiconductor switch components and parts, described second auxiliary switch is electrically connected with described control unit and receives the control signal that described control unit sends and completes operation task.Described second auxiliary switch adopts IGBT or MosFET semiconductor switch components and parts.Described mains supply line and described stand-by power supply circuit initiating terminal are equipped with independent switch.The concrete steps of conversion operations method are,
When described mains supply line turns stand-by power supply circuit: after described two-way automatic transfer equipment disconnects and exchanging, before direct current is opened, controlled first to open described second auxiliary switch by control unit, make direct current by described second auxiliary switch supply power consumption equipment, described two-way automatic transfer equipment connects and opens DC channel afterwards, can to realize zero current no-voltage open-minded for described two-way automatic transfer equipment thus, after DC channel opened by described two-way automatic transfer equipment, described control unit controls to turn off described second auxiliary switch, direct current is by described two-way automatic transfer equipment supply power consumption equipment,
When described stand-by power supply circuit turns mains supply line: before described two-way automatic transfer equipment turns off direct current, controlled first to open the described second logical auxiliary switch by control unit, make direct current via the second auxiliary switch supply power consumption equipment, described two-way automatic transfer equipment turns off DC channel more afterwards, realize zero current zero voltage turn-off, after described two-way automatic transfer equipment turns off DC channel, described control unit controls to turn off described second auxiliary switch, disconnect direct current completely, last described two-way automatic transfer equipment opens alternating current path again, turning by AC power is that power consumption equipment is powered.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (8)
1. an emergency supply circuit, comprise mains supply line, stand-by power supply circuit, and with the two-way automatic transfer equipment of described mains supply line and stand-by power supply connection, described two-way automatic transfer equipment is connected with power consumption equipment, it is characterized in that, described two-way automatic transfer equipment is connected with control unit, described control unit carries out real-time sampling and detecting to the instantaneous voltage value of described mains supply line institute input voltage and phase place, and according to the operate time cheracteristic of described two-way automatic transfer equipment, what calculate control signal sends the time, consistent when causing described two-way automatic transfer equipment point operate time and mains supply line input voltage value to reach zero point.
2. emergency supply circuit as claimed in claim 1, it is characterized in that, first auxiliary switch in parallel with described two-way automatic transfer equipment is provided with between described mains supply line with described power consumption equipment, described first auxiliary switch adopts semiconductor switch components and parts, and described first auxiliary switch is electrically connected with described control unit.
3. emergency supply circuit as claimed in claim 2, it is characterized in that, described stand-by power supply circuit is provided with second auxiliary switch in parallel with described two-way automatic transfer equipment, described second auxiliary switch adopts semiconductor switch components and parts, and described second auxiliary switch is electrically connected with described control unit.
4. emergency supply circuit as claimed in claim 3, it is characterized in that, be provided with rectification module and inversion module successively between described mains supply line and described two-way automatic transfer equipment, described power consumption equipment is provided with rectification module and direct current buck module.
5. emergency supply circuit as claimed in claim 2, it is characterized in that, described stand-by power supply circuit is provided with single channel switching device shifter, described stand-by power supply circuit is provided with three auxiliary switch in parallel with described single channel switching device shifter, described 3rd auxiliary switch adopts semiconductor switch components and parts, and described 3rd auxiliary switch is connected with described control unit.
6. the emergency supply circuit as described in any one of claim 2-5, is characterized in that, described first auxiliary switch, the second auxiliary switch and the 3rd auxiliary switch adopt IGBT or MosFET semiconductor switch components and parts.
7. emergency supply circuit as claimed in claim 1, it is characterized in that, described stand-by power supply circuit is provided with single channel switching device shifter, described stand-by power supply circuit is provided with three auxiliary switch in parallel with described single channel switching device shifter, described 3rd auxiliary switch adopts semiconductor switch components and parts, and described 3rd auxiliary switch is connected with described control unit.
8. emergency supply circuit as claimed in claim 1, it is characterized in that, described stand-by power supply circuit be provided with second auxiliary switch in parallel with described two-way automatic transfer equipment between described power consumption equipment, described second auxiliary switch adopts semiconductor switch components and parts, and described second auxiliary switch is electrically connected with described control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100097.3U CN204376525U (en) | 2015-02-11 | 2015-02-11 | A kind of emergency supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520100097.3U CN204376525U (en) | 2015-02-11 | 2015-02-11 | A kind of emergency supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204376525U true CN204376525U (en) | 2015-06-03 |
Family
ID=53332704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520100097.3U Active CN204376525U (en) | 2015-02-11 | 2015-02-11 | A kind of emergency supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204376525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600834A (en) * | 2015-02-11 | 2015-05-06 | 深圳市金优科技有限公司 | Emergency power supply circuit and power supply circuit conversion method |
| WO2018113704A1 (en) * | 2016-12-23 | 2018-06-28 | Huawei Technologies Co., Ltd. | A switching arrangement for switching between two inputs, equipment, system and a method |
-
2015
- 2015-02-11 CN CN201520100097.3U patent/CN204376525U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600834A (en) * | 2015-02-11 | 2015-05-06 | 深圳市金优科技有限公司 | Emergency power supply circuit and power supply circuit conversion method |
| WO2018113704A1 (en) * | 2016-12-23 | 2018-06-28 | Huawei Technologies Co., Ltd. | A switching arrangement for switching between two inputs, equipment, system and a method |
| CN110100370A (en) * | 2016-12-23 | 2019-08-06 | 华为技术有限公司 | The switching construction that switches between two input terminals, equipment, system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103178486B (en) | A kind of dc circuit breaker and cutoff method thereof | |
| CN103683468A (en) | Power supply system and control method of power supply system | |
| CN104868586B (en) | Automatic switching power supply circuit for double-way power supply | |
| CN104600834A (en) | Emergency power supply circuit and power supply circuit conversion method | |
| CN103532218A (en) | Rapid double power supply switch device and working method thereof | |
| CN211089218U (en) | High-capacity high-reliability rapid power supply switching device | |
| CN104104143A (en) | Parallel-connected quiescent voltage restorer for isolating transient voltage fault of power system | |
| CN204376525U (en) | A kind of emergency supply circuit | |
| CN107846211B (en) | Hybrid switch with main path connected in series with solid-state switch | |
| CN203225578U (en) | A power transmission line induction energy acquiring power supply apparatus with a high redundancy feature | |
| CN205355943U (en) | Two interlocking alternating current regulated power supply box of dual supply delay control with anti -interference function | |
| CN104377809A (en) | Intelligent control device of communication station low-voltage distribution system | |
| CN105373016A (en) | Quick cut-off device of thyristor direct current switch and operation method thereof | |
| CN205283243U (en) | Output control circuit of uninterrupted power source system | |
| CN103323789B (en) | The power taking of accessory power supply and supervisory circuit in a kind of data center machine room power supply test | |
| CN106229968B (en) | A kind of interlock and its control method | |
| CN205791789U (en) | Power station service power switching device | |
| CN104377805A (en) | Communication station low-voltage distribution system | |
| CN110350650B (en) | High-capacity high-reliability rapid power supply switching device and switching control method thereof | |
| CN204794328U (en) | Three -phase electricity dual supply automatic switching control equipment | |
| CN107896102B (en) | Hybrid switch with main channel connected with solid-state switch in series | |
| CN107769195B (en) | Forced flow conversion type mechanical switch based on LC oscillation, device and control method | |
| CN102005802A (en) | Power frequency UPS (Uninterrupted Power Supply) isolation center line circuit | |
| CN202276189U (en) | Control power supply dual-channel power supplying device for high voltage inverter | |
| CN203554272U (en) | Double-path control circuit of high-frequency frequency converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiong Xiaoqin Inventor before: Xiong Xiaoqin Inventor before: Tian Shoulong |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160422 Address after: 518000, building 3, building 14, Shilong Road, Shilong community, Shiyan street, Shiyan City, Guangdong, Baoan District, Shenzhen 5, China Patentee after: Shenzhen KunTeng Power Technology Co. Ltd. Address before: 518000 Guangdong province Shenzhen Guangming New District Office of Gongming Tian Liao community bright high tech Park West No. seven overseas Germany science and technology park buildings on the eighth floor of building A Patentee before: SHENZHEN JINYOU SCIENCE & TECHNOLOGY CO., LTD. |