CN204152746U - A kind of drive unit of compressor and adopt the compressor air-conditioning of this drive unit - Google Patents
A kind of drive unit of compressor and adopt the compressor air-conditioning of this drive unit Download PDFInfo
- Publication number
- CN204152746U CN204152746U CN201420429300.7U CN201420429300U CN204152746U CN 204152746 U CN204152746 U CN 204152746U CN 201420429300 U CN201420429300 U CN 201420429300U CN 204152746 U CN204152746 U CN 204152746U
- Authority
- CN
- China
- Prior art keywords
- cpu
- unit
- compressor
- connects
- housing
- 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
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to a kind of drive unit and compressor air-conditioning of compressor.Comprise: main circuit plate, and for connecting the drive circuit of brush DC frequency-changeable compressor, main circuit plate comprises a CPU, and the first power conversion unit to be connected with a CPU, drive circuit comprises the 2nd CPU, the second source converting unit be connected with the 2nd CPU, the ac filter unit connected successively, rectifying unit, DC filtering unit, and inversion unit, the input end of ac filter unit connects 220V Ac, 2nd CPU connects the control signal input port of inversion unit, the control signal output port of inversion unit connects brush DC frequency-changeable compressor, one CPU connects the 2nd CPU.By drive circuit, brush DC frequency-changeable compressor is directly accessed 220V input power, overcome in prior art and 220V input power is converted into 48V direct current and is powered to compressor by drive circuit again and cause the problem of power conversion losses.
Description
Technical field
The utility model relates to air-conditioning regulating equipment technical field, particularly relates to a kind of drive unit of compressor and adopts the compressor air-conditioning of this drive unit.
Background technique
Communication cabinet compressor air-conditioning is the device that can regulate the temperature of air in communication cabinet, relative moisture, flowing velocity, and the difference of communication cabinet compressor air-conditioning and common air-conditioning is the difference of structure, the object of serving and Environmental Conditions.Communication cabinet compressor air-conditioning specially for communication field application and design, as solved the heat dissipation problem such as outdoor communication cabinet, Wireless outdoor cabinet base station, storage battery cabinet.Communication cabinet compressor air-conditioning can take away the heat that electric elements consumption electric energy sends, for all kinds of interior of equipment cabinet provides desirable temperature and humidity environment, isolate the dust in external environment, corrosive gas simultaneously, extended the working life of electric elements, improve machine system operational reliability.Usually be made up of parts such as compressor, condenser, temp controller, throttle capillary tube, vaporizer, blower fans.Wherein, compressor sucks gaseous refrigerant from vaporizer and enters in condenser after being compressed into high-temperature high-pressure state, refrigeration agent is cooled into high-pressure liquid release heat in condenser after, then form the refrigeration agent of low temperature through throttle capillary tube and enter vaporizer, refrigeration agent is converted into gaseous state absorb heat in vaporizer after, gaseous refrigerant is sucked by compressor, so repeatedly, forms refrigeration cycle.
In prior art, compressor air-conditioning mainly contains 2 classes, and the first kind is the input of 220V Ac, what adopt is invariable frequency compressor, this invariable frequency compressor directly connects 220V power supply and runs, such compressor air-conditioning require the variations in the voltage of electrical network be ± 15%, exceed this scope and then can not normally run.Equations of The Second Kind be 48V direct current input, employing be DC frequency-changeable compressor, this DC frequency-changeable compressor by connection 48V drive circuit receive again DC electrical source run.Due at some rural area remote sites, the quality of power supply is poor, voltage ripple of power network amplitude exceedes ± and 15%, when using first kind compressor air-conditioning, maintenance department often finds that there is malfunction alarm phenomenon, for eliminating this fault, needing additionally to increase voltage-stabilizing voltage regulator, causing cost increase, system reliability variation.When use Equations of The Second Kind air-conditioning, because 48V direct current is obtained by the 220V conversion of electrical network, because can not directly receive on electrical network, there is loss in efficiency in conversion process, causes energy consumption to increase.
Model utility content
The purpose of this utility model is propose a kind of drive unit of compressor and adopt the compressor air-conditioning of this drive unit, brush DC frequency-changeable compressor directly can be accessed 220V alternating current input power supplying by drive circuit, overcoming in prior art is needed 220V input power to be converted into 48V direct current and is powered to compressor by drive circuit and cause the problem of power conversion losses, normally use when can fluctuate in line voltage ± 30% amplitude, improve functional reliability.
For reaching this object, the utility model by the following technical solutions:
A kind of drive unit of compressor, comprise: main circuit plate, and for connecting the drive circuit of brush DC frequency-changeable compressor, described main circuit plate comprises a CPU, and to be connected with a CPU and to be used for 220V AC conversion being the first power conversion unit of low-voltage DC, described drive circuit comprises the 2nd CPU, and to be connected with the 2nd CPU and to be used for 220V AC conversion being the second source converting unit of low-voltage DC, described drive circuit also comprises the ac filter unit connected successively, rectifying unit, DC filtering unit, and inversion unit, the input end of described ac filter unit connects 220V Ac, described 2nd CPU connects the control signal input port of inversion unit, the control signal output port of described inversion unit connects brush DC frequency-changeable compressor, one CPU of described main circuit plate connects the 2nd CPU of drive circuit for sending speed-regulating signal control brush DC frequency-changeable compressor.
Wherein, described first power conversion unit comprises: transformer, rectifier bridge, eliminator and three terminal regulator, described transformer, rectifier bridge, eliminator, three terminal regulator connect successively, the input end of described transformer connects 220V Ac, and the output terminal of described three terminal regulator connects a CPU;
Described second source converting unit comprises: transformer, rectifier bridge, eliminator and three terminal regulator, described transformer, rectifier bridge, eliminator, three terminal regulator connect successively, the input end of described transformer connects 220V Ac, and the output terminal of described three terminal regulator connects the 2nd CPU.
Wherein, described three terminal regulator is 7805 three terminal regulators or 7812 three terminal regulators.
Wherein, also comprise temperature transducer detection unit, described temperature transducer detection unit is connected with a CPU of main circuit plate.
Wherein, also comprise inner blower driver element and outer blower fan driver element, described inner blower driver element is connected with a CPU of main circuit plate, and described outer blower fan driver element is connected with a CPU of main circuit plate.
A kind of compressor air-conditioning, comprise: front panel, housing, condenser, vaporizer, brush DC frequency-changeable compressor, and throttle capillary tube, also comprise drive unit described above, described front panel is arranged on the front end of housing, described condenser is arranged on the upside of housing rear end, described vaporizer is arranged on the downside of housing forward end, described brush DC frequency-changeable compressor is arranged on the downside of housing rear end, described main circuit plate, drive circuit is arranged on the upside of housing forward end, one end of described throttle capillary tube connects vaporizer, the other end of described throttle capillary tube connects condenser.
Wherein, also comprise temperature transducer and temperature transducer detection unit, described temperature transducer is connected with temperature transducer detection unit, and described temperature transducer detection unit is arranged on the upside of housing forward end.
Wherein, also comprise inner blower, outer blower fan, inner blower driver element and outer blower fan driver element, described inner blower is connected with inner blower driver element, described outer blower fan is connected with outer blower fan driver element, described inner blower is arranged on the upside of housing forward end, described outer blower fan is arranged on the downside of housing rear end, and described inner blower driver element and outer blower fan driver element are arranged on the upside of housing forward end.
Wherein, the number of described temperature transducer is at least 4.
Wherein, described inner blower is any one that 220V exchanges in input constant speed blower fan, 220V interchange input EC blower fan, 48V DC fan.
Beneficial effect:
The drive unit of a kind of compressor described in the utility model, comprise: main circuit plate, and for connecting the drive circuit of brush DC frequency-changeable compressor, described main circuit plate comprises a CPU, and to be connected with a CPU and to be used for 220V AC conversion being the first power conversion unit of low-voltage DC, described drive circuit comprises the 2nd CPU, and to be connected with the 2nd CPU and to be used for 220V AC conversion being the second source converting unit of low-voltage DC, described drive circuit also comprises the ac filter unit connected successively, rectifying unit, DC filtering unit, and inversion unit, the input end of described ac filter unit connects 220V Ac, described 2nd CPU connects the control signal input port of inversion unit, the control signal output port of described inversion unit connects brush DC frequency-changeable compressor, one CPU of described main circuit plate connects the 2nd CPU of drive circuit for sending speed-regulating signal control brush DC frequency-changeable compressor.Because drive circuit comprises the 2nd CPU, the second source converting unit for by 220V AC conversion being low-voltage DC is connected with the 2nd CPU, power to after the 220V Ac of access can being converted to low-voltage DC the 2nd CPU in drive circuit, because drive circuit also comprises the ac filter unit connected successively, rectifying unit, DC filtering unit, and inversion unit, the input end of described ac filter unit connects 220V Ac, described 2nd CPU connects the control signal input port of inversion unit, the control signal output port of described inversion unit connects brush DC frequency-changeable compressor, can by brush DC frequency-changeable compressor by the ac filter unit in drive circuit, rectifying unit, DC filtering unit, and inversion unit directly accesses 220V input power, overcoming in prior art needs 220V input power to be converted into 48V direct current and powers to compressor and cause the problem of power conversion losses, this compressor set, normally use when can fluctuate in line voltage ± 30% amplitude, be specially adapted to some rural area remote sites, the quality of power supply is poor, the area that voltage ripple of power network amplitude is large, and the price of mating the brush DC frequency-changeable compressor of work with 220V Ac that this compressor set adopts mates the DC frequency-changeable compressor of work lower than in prior art with 48V direct current, can reduce costs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the main circuit plate of the drive unit of a kind of compressor that the utility model embodiment provides.
Fig. 2 is the structural representation of the drive circuit of the drive unit of a kind of compressor that the utility model embodiment provides.
Fig. 3 is a kind of front elevation of compressor air-conditioning.
Fig. 4 is a kind of front elevation removing front panel of compressor air-conditioning.
Fig. 5 is a kind of rear view of compressor air-conditioning.
Fig. 6 is a kind of rear view removing the rear board of housing of compressor air-conditioning.
In figure:
1-main circuit plate; 2-drive circuit; 3-brush DC frequency-changeable compressor; 4-inner blower; The outer blower fan of 5-; 6-front panel; 7-housing; 8-condenser; 9-vaporizer; 10-throttle capillary tube.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the main circuit plate 1 of the drive unit of a kind of compressor that the utility model embodiment provides.Fig. 2 is the structural representation of the drive circuit 2 of the drive unit of a kind of compressor that the utility model embodiment provides.As Fig. 1, shown in 2, the drive unit of a kind of compressor described in the utility model, comprise: main circuit plate 1, and for connecting the drive circuit 2 of brush DC frequency-changeable compressor 3, described main circuit plate 1 comprises a CPU, and to be connected with a CPU and to be used for 220V AC conversion being the first power conversion unit of low-voltage DC, described drive circuit 2 comprises the 2nd CPU, and to be connected with the 2nd CPU and to be used for 220V AC conversion being the second source converting unit of low-voltage DC, described drive circuit 2 also comprises the ac filter unit connected successively, rectifying unit, DC filtering unit, and inversion unit, the input end of described ac filter unit connects 220V Ac, described 2nd CPU connects the control signal input port of inversion unit, the control signal output port of described inversion unit connects brush DC frequency-changeable compressor 3, one CPU of described main circuit plate 1 connects the 2nd CPU of drive circuit 2 for sending speed-regulating signal control brush DC frequency-changeable compressor 3.
Because drive circuit 2 comprises the 2nd CPU, the second source converting unit for by 220V AC conversion being low-voltage DC is connected with the 2nd CPU, power to after the 220V Ac of access can being converted to low-voltage DC the 2nd CPU in drive circuit 2, because drive circuit 2 also comprises the ac filter unit connected successively, rectifying unit, DC filtering unit, and inversion unit, the input end of described ac filter unit connects 220V Ac, described 2nd CPU connects the control signal input port of inversion unit, the control signal output port of described inversion unit connects brush DC frequency-changeable compressor 3, can by brush DC frequency-changeable compressor 3 by the ac filter unit in drive circuit 2, rectifying unit, DC filtering unit, and inversion unit directly accesses 220V input power, overcoming in prior art needs 220V input power to be converted into 48V direct current and powers to compressor and cause the problem of power conversion losses, this compressor set, normally use when can fluctuate in line voltage ± 30% amplitude, be specially adapted to some rural area remote sites, the quality of power supply is poor, the area that voltage ripple of power network amplitude is large, and the price of mating the brush DC frequency-changeable compressor 3 of work with 220V Ac that this compressor set adopts mates the DC frequency-changeable compressor of work lower than in prior art with 48V direct current, can reduce costs.It should be noted that, speed-regulating signal adopts 0 ~ 5V VDC or 4 ~ 20mA electric current.
As one preferably mode of execution, described first power conversion unit comprises: transformer, rectifier bridge, eliminator and three terminal regulator, described transformer, rectifier bridge, eliminator, three terminal regulator connect successively, the input end of described transformer connects 220V Ac, and the output terminal of described three terminal regulator connects a CPU; Described second source converting unit comprises: transformer, rectifier bridge, eliminator and three terminal regulator, described transformer, rectifier bridge, eliminator, three terminal regulator connect successively, the input end of described transformer connects 220V Ac, and the output terminal of described three terminal regulator connects the 2nd CPU.By to become low-voltage DC through transformer, rectifier bridge, eliminator and three terminal regulator be that a described CPU, the 2nd CPU power by the input of the line voltage of 220V, drive circuit 2 directly can be connected into 220V input power.
Preferably, described three terminal regulator is 7805 three terminal regulators or 7812 three terminal regulators.Certainly, the voltage stabilizer that other types have equivalent effect is not got rid of.
Also comprise inner blower driver element and outer blower fan driver element, described inner blower driver element is connected with a CPU of main circuit plate 1, and described outer blower fan driver element is connected with a CPU of main circuit plate 1.Also comprise temperature transducer detection unit, described temperature transducer detection unit is connected with a CPU of main circuit plate 1.
As shown in Figures 3 to 6, a kind of compressor air-conditioning, comprise: front panel 6, housing 7, condenser 8, vaporizer 9, brush DC frequency-changeable compressor 3, and throttle capillary tube 10, also comprise drive unit as described above, described front panel 6 is arranged on the front end of housing 7, described condenser 8 is arranged on the upside of housing 7 rear end, described vaporizer 9 is arranged on the downside of housing 7 front end, described brush DC frequency-changeable compressor 3 is arranged on the downside of housing 7 rear end, described main circuit plate 1, drive circuit 2 is arranged on the upside of housing 7 front end, one end of described throttle capillary tube 10 connects vaporizer 9, the other end of described throttle capillary tube 10 connects condenser 8.
Preferably, also comprise temperature transducer, described temperature transducer is connected with temperature transducer detection unit, and described temperature transducer detection unit is arranged on the upside of housing 7 front end.The number of described temperature transducer is at least 4.
Preferably, also comprise inner blower 4 and outer blower fan 5, described inner blower 4 is connected with inner blower driver element, described outer blower fan 5 is connected with outer blower fan driver element, described inner blower 4 is arranged on the upside of housing 7 front end, described outer blower fan 5 is arranged on the downside of housing 7 rear end, and described inner blower driver element and outer blower fan driver element are arranged on the upside of housing 7 front end.Described inner blower 4 inputs any one in constant speed blower fan, 220V interchange input EC blower fan, 48V DC fan for 220V exchanges.
One CPU of described main circuit plate 1 is worked by inner blower drive unit drives inner blower 4, is worked by the outer blower fan 5 of outer blower fan drive unit drives.The temperature value information that temperature transducer detects is sent to a CPU of main circuit plate 1 by temperature transducer detection unit, then, one CPU of main circuit plate 1 controls the start and stop of inner blower 4, outer blower fan 5 according to temperature value information, and the rotating speed of regulation and control brush DC frequency-changeable compressor 3.In the utility model, described brush DC frequency-changeable compressor 3 uses R134a refrigeration agent.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and model utility design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
Claims (10)
1. the drive unit of a compressor, it is characterized in that, comprise: main circuit plate (1), and the drive circuit (2) for connecting brush DC frequency-changeable compressor (3), described main circuit plate (1) comprises a CPU, and to be connected with a CPU and to be used for 220V AC conversion being the first power conversion unit of low-voltage DC, described drive circuit (2) comprises the 2nd CPU, and to be connected with the 2nd CPU and to be used for 220V AC conversion being the second source converting unit of low-voltage DC, described drive circuit (2) also comprises the ac filter unit connected successively, rectifying unit, DC filtering unit, and inversion unit, the input end of described ac filter unit connects 220V Ac, described 2nd CPU connects the control signal input port of inversion unit, the control signal output port of described inversion unit connects brush DC frequency-changeable compressor (3), one CPU of described main circuit plate (1) connects the 2nd CPU of drive circuit (2) for sending speed-regulating signal control brush DC frequency-changeable compressor (3).
2. the drive unit of a kind of compressor according to claim 1, it is characterized in that, described first power conversion unit comprises: transformer, rectifier bridge, eliminator and three terminal regulator, described transformer, rectifier bridge, eliminator, three terminal regulator connect successively, the input end of described transformer connects 220V Ac, and the output terminal of described three terminal regulator connects a CPU;
Described second source converting unit comprises: transformer, rectifier bridge, eliminator and three terminal regulator, described transformer, rectifier bridge, eliminator, three terminal regulator connect successively, the input end of described transformer connects 220V Ac, and the output terminal of described three terminal regulator connects the 2nd CPU.
3. the drive unit of a kind of compressor according to claim 2, is characterized in that, described three terminal regulator is 7805 three terminal regulators or 7812 three terminal regulators.
4. the drive unit of a kind of compressor according to claim 1, is characterized in that, also comprises temperature transducer detection unit, and described temperature transducer detection unit is connected with a CPU of main circuit plate (1).
5. the drive unit of a kind of compressor according to claim 1, it is characterized in that, also comprise inner blower driver element and outer blower fan driver element, described inner blower driver element is connected with a CPU of main circuit plate (1), and described outer blower fan driver element is connected with a CPU of main circuit plate (1).
6. a compressor air-conditioning, comprise: front panel (6), housing (7), condenser (8), vaporizer (9), brush DC frequency-changeable compressor (3), and throttle capillary tube (10), it is characterized in that, also comprise the drive unit described in any one of claims 1 to 3, described front panel (6) is arranged on the front end of housing (7), described condenser (8) is arranged on the upside of housing (7) rear end, described vaporizer (9) is arranged on the downside of housing (7) front end, described brush DC frequency-changeable compressor (3) is arranged on the downside of housing (7) rear end, described main circuit plate (1), drive circuit (2) is arranged on the upside of housing (7) front end, one end of described throttle capillary tube (10) connects vaporizer (9), the other end of described throttle capillary tube (10) connects condenser (8).
7. a kind of compressor air-conditioning according to claim 6, it is characterized in that, also comprise temperature transducer and temperature transducer detection unit, described temperature transducer is connected with temperature transducer detection unit, and described temperature transducer detection unit is arranged on the upside of housing (7) front end.
8. a kind of compressor air-conditioning according to claim 6, it is characterized in that, also comprise inner blower (4), outer blower fan (5), inner blower driver element, and outer blower fan driver element, described inner blower (4) is connected with inner blower driver element, described outer blower fan (5) is connected with outer blower fan driver element, described inner blower (4) is arranged on the upside of housing (7) front end, described outer blower fan (5) is arranged on the downside of housing (7) rear end, described inner blower driver element, and outer blower fan driver element is arranged on the upside of housing (7) front end.
9. a kind of compressor air-conditioning according to claim 7, is characterized in that, the number of described temperature transducer is at least 4.
10. a kind of compressor air-conditioning according to claim 8, is characterized in that, described inner blower (4) inputs any one in constant speed blower fan, 220V interchange input EC blower fan, 48V DC fan for 220V exchanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429300.7U CN204152746U (en) | 2014-07-31 | 2014-07-31 | A kind of drive unit of compressor and adopt the compressor air-conditioning of this drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429300.7U CN204152746U (en) | 2014-07-31 | 2014-07-31 | A kind of drive unit of compressor and adopt the compressor air-conditioning of this drive unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152746U true CN204152746U (en) | 2015-02-11 |
Family
ID=52510867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420429300.7U Active CN204152746U (en) | 2014-07-31 | 2014-07-31 | A kind of drive unit of compressor and adopt the compressor air-conditioning of this drive unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110356A (en) * | 2014-07-31 | 2014-10-22 | 深圳日海通讯技术股份有限公司 | Compressor drive device and compressor air conditioner with drive device |
| CN106507644A (en) * | 2016-11-23 | 2017-03-15 | 深圳市艾特网能技术有限公司 | The refrigeration system of equipment cabinet server and the control method using the cooling system |
-
2014
- 2014-07-31 CN CN201420429300.7U patent/CN204152746U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110356A (en) * | 2014-07-31 | 2014-10-22 | 深圳日海通讯技术股份有限公司 | Compressor drive device and compressor air conditioner with drive device |
| CN106507644A (en) * | 2016-11-23 | 2017-03-15 | 深圳市艾特网能技术有限公司 | The refrigeration system of equipment cabinet server and the control method using the cooling system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204152746U (en) | A kind of drive unit of compressor and adopt the compressor air-conditioning of this drive unit | |
| CN201072207Y (en) | Household and commercial DC frequency converting air-conditioner controller | |
| CN104811023A (en) | Variable frequency air conditioner compressor counter electromotive force protection circuit | |
| CN102721114A (en) | Base station cabinet air conditioner, operation control method and controller | |
| CN104110356A (en) | Compressor drive device and compressor air conditioner with drive device | |
| CN205191841U (en) | Many online air conditioning system's drive arrangement and how online air conditioning system | |
| CN103199776A (en) | Circuit for switching fixed rotating speed and adjustable rotating speed of outdoor direct-current motor of air-conditioner | |
| CN203798002U (en) | Photovoltaic direct-drive compressor unit | |
| CN202166858U (en) | Low-power dissipation standby device | |
| CN203704246U (en) | Touch type air conditioner temperature controller | |
| CN202915509U (en) | Solar-energy-based energy-saving system for communication base station | |
| CN203151077U (en) | Motor speed adjusting voltage Vsp shutdown circuit of brushless motor air-conditioning system | |
| CN202709306U (en) | Transducer air-conditioner power supply circuit assembly and transducer air-conditioner | |
| CN203151134U (en) | High-efficiency energy-recovery charger aging equipment | |
| CN202382369U (en) | Electronic intelligent energy saving control device for computer room air conditioners | |
| WO2015058538A1 (en) | Power source circuit and air conditioning unit | |
| CN204391575U (en) | A kind of reduction power consumption power distribution cabinet | |
| CN208479237U (en) | A kind of alternating current-direct current mobile power source | |
| CN203928278U (en) | Universal fixed frequency air conditioner control circuit | |
| CN204063282U (en) | Air-conditioning system | |
| CN204478386U (en) | The distributed coolant pump controller of central air conditioning | |
| CN202853048U (en) | Base station fan energy-saving control system based on internet of things | |
| CN204987370U (en) | Improved generation central air conditioning economizer system | |
| CN204391576U (en) | A kind of power distribution cabinet increased the service life | |
| CN202153046U (en) | Air-conditioning system capable of measuring electric energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 Ma Jialong 17, 1701, Daxin Road, Nanshan District, Shenzhen, Guangdong, 17 Patentee after: Japan Sea intelligent Polytron Technologies Inc Address before: 518057 First Floor 107, Tsinghua Information Complex Building, Keyuan Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Sunsea Telecommunications Co., Ltd. |
|
| CP03 | Change of name, title or address |