CN102765309B - Automatic engineering vehicle air-conditioning control method - Google Patents
Automatic engineering vehicle air-conditioning control method Download PDFInfo
- Publication number
- CN102765309B CN102765309B CN201210279351.1A CN201210279351A CN102765309B CN 102765309 B CN102765309 B CN 102765309B CN 201210279351 A CN201210279351 A CN 201210279351A CN 102765309 B CN102765309 B CN 102765309B
- Authority
- CN
- China
- Prior art keywords
- temperature
- module
- vehicle interior
- pattern
- signal
- 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
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004378 air conditioning Methods 0.000 title claims abstract description 14
- 238000007781 pre-processing Methods 0.000 claims abstract description 11
- 238000007664 blowing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 6
- 238000009423 ventilation Methods 0.000 abstract description 5
- 239000000428 dust Substances 0.000 abstract description 4
- 150000003839 salts Chemical class 0.000 abstract description 4
- 239000003595 mist Substances 0.000 abstract 1
- 238000004078 waterproofing Methods 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an automatic engineering vehicle air-conditioning control method and relates to the technical field of automobile air-conditioning control. The method adopts a controller consisting of a central processing unit, a signal acquiring module, a signal pre-processing circuit module, a driving circuit module, a keying module, a liquid crystal display module and a power module. A system automatically adjusts air amount of an air blower, an alternating current (AC) working state, a blowing mode and an inner/outer air switch working state according to a set temperature value and a temperature signal in a vehicle, and displays the working states through a display screen of the liquid crystal display module. The automatic engineering vehicle air-conditioning control method has the advantages of automatically controlling temperature and air amount, integrating cold ventilation and warm ventilation, being good in interference resistance and superior in water proofing, dust proofing and salt mist proofing, having undervoltage overvoltage protection and input-output short circuit protection, and displaying a current working state and fault code information in real time.
Description
Technical field
The present invention relates to air conditioning for automobiles control technology field, specifically a kind of self acting engineering truck air conditioning control method, is applicable to engineering truck a/c system.
Background technology
At present, engineering van air-conditioning controller is of a great variety, and knob analog controller and manual electronic formula air-conditioner controller device occupy principal market.Knob analog controller is without under-voltage over-voltage protecting function, and antijamming capability is poor, and without good man-machine display interface.Although the engineering van air-conditioning controller of manual electronic formula compensate for the deficiency of knob, more intelligent, cannot realize automatic control, inadequate hommization, display interface is not good and the water proof and dust proof performance of product is bad.Require higher because engineering truck work under bad environment turns round and look to product preventing dust water-based Defend salt fog.
Therefore; this area is needed badly a kind ofly has automatic control function and good, the superior dustproof and waterproof Defend salt fog performance of anti-interference resistance; to ventilate integration containing under-voltage overvoltage protection, compressor time delay output protection, in real time display setting temperature, changes in temperature, present mode mode of operation and fault, security alarm and check the air-conditioner controller of each road sensor status information at any time.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the invention provides a kind of self acting engineering truck air conditioning control method, realizing automatically controlling each execution unit, temperature automatically controlled, automatic control mode motor can be realized in automatic mode, automatically controlling air quantity and angle.
The present invention realizes with following technical scheme: a kind of self acting engineering truck air conditioning control method, adopts following controller, and described controller has one for the signal acquisition module of collecting temperature, pressure signal; Signal acquisition module connects a signal pre-processing circuit module, and signal pre-processing circuit sends after the signal transacting of signal acquisition module collection into central process unit; Central process unit connects LCD MODULE, key-press module and drive circuit module respectively; Drive circuit module is connecting with water valve motor, compressor relay, pattern motor and speed adjusting module respectively, and power module is described central process unit, key-press module, signal pre-processing circuit module, LCD MODULE, drive circuit module provide power supply and power protecting circuit; It is characterized in that: system adjusts blower air quantity, AC mode of operation, blowing pattern and inside/outside air cock mode of operation automatically according to set temperature value and vehicle interior temperature signal, simultaneously display working condition on the read-out of LCD MODULE;
When design temperature is greater than vehicle interior temperature 1.5 degree, compressor cuts out, and character extinguishes; When design temperature is less than vehicle interior temperature 1.5 degree, compressor is opened, Charactes Display; Vehicle interior temperature-1.5 DEG C of < design temperature < vehicle interior temperatures+1.5 DEG C, keep laststate;
Vehicle interior temperature+1.5 DEG C≤design temperature < vehicle interior temperature+5 DEG C, water valve is half-open; Vehicle interior temperature+5 DEG C≤design temperature, water valve standard-sized sheet; Design temperature≤vehicle interior temperature-1.5 DEG C, water valve complete shut-down; Vehicle interior temperature-1.5 DEG C of < design temperature < vehicle interior temperatures+1.5 DEG C, water valve aperture keeps laststate;
When design temperature and the indoor temperature temperature difference are 0 DEG C, air quantity is 3 grades; When the temperature difference is 1--2 DEG C, air quantity is 4 grades; When the temperature difference is 3--4 DEG C, air quantity is 5 grades; When the temperature difference is >=5 DEG C, air quantity is 6 grades;
When indoor temperature is at 23 DEG C, blow head pattern; Indoor temperature, at 23 DEG C-27 DEG C, blows back of the body pattern, and indoor temperature, at 27 DEG C-32 DEG C, blows pin pattern, lower than 18 DEG C or higher than 32 DEG C for blowing pin pattern;
When indoor temperature is lower than 23 DEG C, Inner eycle, indoor temperature is higher than 27 DEG C, and outer circulation, keeps laststate when indoor temperature is between 23 degree and 27 degree; Under the condition meeting AUTO pattern and Inner eycle shape pattern, Inner eycle time length, more than 15 minutes, will automatically switch to outer circulation mode work 1 minute, and then switch to inner loop mode, circulate thus.
Principle of work: hardware completes each incoming signal process, exports and drives function, and consider system rejection to disturbance performance, input and output short-circuit protection performance.
Software aspect completes input signal data process, output signal, realizes controlling automatic control logic and judges, liquid crystal display Graphics Processing, the functions such as system under-voltage overvoltage protection process.
The invention has the beneficial effects as follows: realize automatically controlling each execution unit, temperature automatically controlled, automatic control mode motor can be realized in automatic mode, automatically control air quantity and angle.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention will be further described
Fig. 1 is system principle diagram of the present invention;
Fig. 2 is wiring board schematic diagram of the present invention.
Detailed description of the invention
As shown in Figure 1, a kind of self acting engineering van air-conditioning controller forms signal acquisition module by temperature sensor, defrost sensor and pressure switch; Signal acquisition module connects a signal pre-processing circuit module, and signal pre-processing circuit sends after the signal transacting of signal acquisition module collection into central process unit; Central process unit connects LCD MODULE, key-press module and drive circuit module respectively; Drive circuit module is connecting with water valve motor, compressor relay, pattern motor and speed adjusting module respectively, for controlling the angle of water valve, compressor relay, the anglec of rotation of pattern motor and alignment circuit.Power module is described central process unit, key-press module, signal pre-processing circuit module, LCD MODULE, drive circuit module provide power supply and protective circuit.
As shown in Figure 2, central process unit: adopt micro controller system U1 as main control chip, C1 with R9 is connected resetting pin, reserved programming mouth J3.
Power module comprises a diode D32, metal-oxide-semiconductor Q14, circuit of three-terminal voltage-stabilizing integrated and stabilivolt DW6; The negative pole of diode D32 is connected with the D pole of metal-oxide-semiconductor Q14, and the S pole of metal-oxide-semiconductor connects the input end of circuit of three-terminal voltage-stabilizing integrated, and the G pole of metal-oxide-semiconductor is connected with the ground terminal of circuit of three-terminal voltage-stabilizing integrated by stabilivolt DW6.Plant-grid connection, by diode D32, meet metal-oxide-semiconductor Q14 and stabilivolt DW6 and form switching power circuit, prevent outside glitch waveform, metal-oxide-semiconductor S level meets regulator block U3, U4; U3 regulator block output provides stable 5V voltage for central process unit, and U4 regulator block output provides 12V voltage for drive circuit module.U2 is liquid crystal display driving chip, and central process unit connects U2 by SPI communication port.Described power protecting circuit comprises a superpower metal-oxide-semiconductor protected containing overcurrent-overvoltage low-voltage short-circuiting, and the mouth of superpower metal-oxide-semiconductor is connected with protection diode and current-limiting resistance.
Drive circuit module comprises the driving chip U5 for drive motor, is connected to the output protection circuit between central process unit and speed adjusting module; Be connected to the output protection circuit between central process unit and compressor relay; Be connected to the output protection circuit between central process unit and water valve motor; Be connected to the output protection circuit between central process unit and defrosting motor.Described output protection circuit comprises one containing the high-low side driving tube of the overheated short-circuit protection of overcurrent-overvoltage, the mouth of high-low side driving tube connect two anti-reverse, the protection diode that the relay counter-current of anti-external control impacts.
Key-press module adopts scan-type button, and 10K resistance pull-up, the voltage stabilizing of 5V zener diode, keyed jointing central process unit I/O mouth is pressed on every road, totally 8 tunnels.
Key backlight module adopts discrete, and each key backlight module connects the I/O mouth of middle treater respectively to there being 2k, 3.3k, 5.k, aerotron, diode, 4148 stabilivolts, the key backlight module unit of bluish-green patch light-emitting diode composition.By liquid crystal display displays temperature, mode state and failure message.
Liquid crystal display display module is made up of bluish-green backlight and control circuit, has electrostatic-proof function.
Signal pre-processing circuit module adopts RC-pi type filter.Interior temperature sensor and defrost sensor are by 5.1-1% resistance pull-up, and 104 electric capacity and 2k resistance carry out filtering, connect central process unit AD mouth.Power supply voltage signal, backlight signal and pressure switch signal: by 20K-% and 3.6K-% dividing potential drop, the voltage stabilizing of 5V stabilivolt, 104 electric capacity and the filtering of 2k resistance π type, order sheet AD mouth.
Sheath linkage unit: complete machine with 36 core sheath J4 as the interface with whole-vehicle air-conditioner system docking.
System adjusts blower air quantity, AC mode of operation, blowing pattern and inside/outside air cock mode of operation automatically according to set temperature value and vehicle interior temperature signal, simultaneously display working condition on the read-out of LCD MODULE.
When design temperature and the indoor temperature temperature difference are 0 DEG C, air quantity is 3 grades; When the temperature difference is 1--2 DEG C, air quantity is 4 grades; When the temperature difference is 3--4 DEG C, air quantity is 5 grades; When the temperature difference is >=5 DEG C, air quantity is 6 grades;
When design temperature is greater than vehicle interior temperature 1.5 degree, compressor cuts out, and character extinguishes; When design temperature is less than vehicle interior temperature 1.5 degree, compressor is opened, Charactes Display; Vehicle interior temperature-1.5 DEG C of < design temperature < vehicle interior temperatures+1.5 DEG C, keep laststate;
Vehicle interior temperature+1.5 DEG C≤design temperature < vehicle interior temperature+5 DEG C, water valve is half-open; Vehicle interior temperature+5 DEG C≤design temperature, water valve standard-sized sheet; Design temperature≤vehicle interior temperature-1.5 DEG C, water valve complete shut-down; Vehicle interior temperature-1.5 DEG C of < design temperature < vehicle interior temperatures+1.5 DEG C, water valve aperture keeps laststate;
When indoor temperature is at 23 DEG C, blow head pattern; Indoor temperature, at 23 DEG C-27 DEG C, blows back of the body pattern, and indoor temperature, at 27 DEG C-32 DEG C, blows pin pattern, lower than 18 DEG C or higher than 32 DEG C for blowing pin pattern;
When indoor temperature is lower than 23 DEG C, Inner eycle, indoor temperature is higher than 27 DEG C, and outer circulation, keeps laststate when indoor temperature is between 23 degree and 27 degree; Under the condition meeting AUTO pattern and Inner eycle shape pattern, Inner eycle time length, more than 15 minutes, will automatically switch to outer circulation mode work 1 minute, and then switch to inner loop mode, circulate thus.
The present invention can realize following function:
(1) airconditioning control: the automatic control of temperature automatic control, Boiler pressure control, drive manner, the control etc. of ventilation volume.
(2) Energy Saving Control and three is prevented: i.e. the control of compressor operation operating mode, the optimal control of ventilation volume and the ventilation with temperature culture switch, proceed to the control of economical operation, automatically cut off the control of compressor power etc. according to car indoor and outdoor temperature, superior water proof and dust proof Defend salt fog.
(3) fault, security alarm: the breakdown judge of lack of refrigerant warning, the too high or too low warning of refrigerant pressure, the various control device of power line voltage fault is reported to the police; and by display diagnostic code; and buzzer warning, until failture evacuation, this system can also be proceeded to protection system automatically simultaneously.As there is overtension, this system will cut off load power source automatically.A/c system et out of order, the form of failure code stores by central process unit, and the position of energy indication fault when needing repairing, so hold repairing very much.
Claims (1)
1. a self acting engineering truck air conditioning control method, adopts following controller, and described controller has one for the signal acquisition module of collecting temperature, pressure signal; Signal acquisition module connects a signal pre-processing circuit module, and signal pre-processing circuit sends after the signal transacting of signal acquisition module collection into central process unit; Central process unit connects LCD MODULE, key-press module and drive circuit module respectively; Drive circuit module is connecting with water valve motor, compressor relay, pattern motor and speed adjusting module respectively, and power module is described central process unit, key-press module, signal pre-processing circuit module, LCD MODULE, drive circuit module provide power supply and power protecting circuit; It is characterized in that: system adjusts blower air quantity, AC mode of operation, blowing pattern and inside/outside air cock mode of operation automatically according to set temperature value and vehicle interior temperature signal, simultaneously display working condition on the read-out of LCD MODULE;
When design temperature and the indoor temperature temperature difference are 0 DEG C, air quantity is 3 grades; When the temperature difference is 1--2 DEG C, air quantity is 4 grades; When the temperature difference is 3--4 DEG C, air quantity is 5 grades; When the temperature difference is >=5 DEG C, air quantity is 6 grades;
When design temperature is greater than vehicle interior temperature 1.5 degree, compressor cuts out, and character extinguishes; When design temperature is less than vehicle interior temperature 1.5 degree, compressor is opened, Charactes Display; Vehicle interior temperature-1.5 DEG C of < design temperature < vehicle interior temperatures+1.5 DEG C, keep laststate;
Vehicle interior temperature+1.5 DEG C≤design temperature < vehicle interior temperature+5 DEG C, water valve is half-open; Vehicle interior temperature+5 DEG C≤design temperature, water valve standard-sized sheet; Design temperature≤vehicle interior temperature-1.5 DEG C, water valve complete shut-down; Vehicle interior temperature-1.5 DEG C of < design temperature < vehicle interior temperatures+1.5 DEG C, water valve aperture keeps laststate;
When indoor temperature is at 23 DEG C, blow head pattern; Indoor temperature, at 23 DEG C-27 DEG C, blows back of the body pattern, and indoor temperature, at 27 DEG C-32 DEG C, blows pin pattern, lower than 18 DEG C or higher than 32 DEG C for blowing pin pattern;
When indoor temperature is lower than 23 DEG C, Inner eycle, indoor temperature is higher than 27 DEG C, and outer circulation, keeps laststate when indoor temperature is between 23 degree and 27 degree; Under the condition meeting AUTO pattern and Inner eycle shape pattern, Inner eycle time length, more than 15 minutes, will automatically switch to outer circulation mode work 1 minute, and then switch to inner loop mode, circulate thus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279351.1A CN102765309B (en) | 2012-08-07 | 2012-08-07 | Automatic engineering vehicle air-conditioning control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210279351.1A CN102765309B (en) | 2012-08-07 | 2012-08-07 | Automatic engineering vehicle air-conditioning control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102765309A CN102765309A (en) | 2012-11-07 |
| CN102765309B true CN102765309B (en) | 2015-07-01 |
Family
ID=47092969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210279351.1A Active CN102765309B (en) | 2012-08-07 | 2012-08-07 | Automatic engineering vehicle air-conditioning control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102765309B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922971A (en) * | 2012-11-19 | 2013-02-13 | 无锡九条龙汽车设备有限公司 | Automatic control method of automobile air-conditioning refrigerating system |
| CN102954562A (en) * | 2012-11-19 | 2013-03-06 | 无锡九条龙汽车设备有限公司 | Automatic automobile air conditioning refrigeration control system |
| CN103738275B (en) * | 2013-12-25 | 2016-06-15 | 天津市松正电动汽车技术股份有限公司 | Vehicle air conditioner controller |
| CN105329064A (en) * | 2014-08-08 | 2016-02-17 | 武汉商学院 | Vehicle solar energy air cleaning device |
| CN105182233B (en) * | 2015-08-17 | 2019-01-18 | 安徽江淮松芝空调有限公司 | Air conditioning for automobiles assembly motor detection system |
| CN109424573B (en) * | 2017-08-31 | 2020-09-01 | 郑州宇通客车股份有限公司 | Cooling fan rotating speed control device, cooling fan rotating speed control system and cooling fan rotating speed control method |
| CN110406345B (en) * | 2018-04-26 | 2022-06-03 | 上海博泰悦臻网络技术服务有限公司 | Automatic air conditioner adjusting method based on automobile and cloud server |
| CN108891224A (en) * | 2018-05-30 | 2018-11-27 | 苏州工业园区职业技术学院 | A kind of electric bus air-conditioner control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364428A (en) * | 1979-11-09 | 1982-12-21 | Hitachi, Ltd. | Automatic air-conditioning apparatus |
| CN200946884Y (en) * | 2006-07-06 | 2007-09-12 | 湖北美标汽车制冷***有限公司 | Automatic controller of lorry air-conditioning system |
| CN202166147U (en) * | 2011-07-22 | 2012-03-14 | 江苏省精创电气股份有限公司 | Electronic type engineering van air-conditioning controller |
| CN102506489A (en) * | 2011-10-22 | 2012-06-20 | 成都市翻鑫家科技有限公司 | Automobile air-conditioning refrigeration control system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3824372B2 (en) * | 1997-04-08 | 2006-09-20 | カルソニックカンセイ株式会社 | Control device for air conditioner |
| JP2000272332A (en) * | 1999-03-24 | 2000-10-03 | Bosch Automotive Systems Corp | Air conditioner for automobile |
| CN101428544B (en) * | 2008-12-08 | 2011-02-16 | 奇瑞汽车股份有限公司 | Vehicle air conditioner control system control method |
-
2012
- 2012-08-07 CN CN201210279351.1A patent/CN102765309B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364428A (en) * | 1979-11-09 | 1982-12-21 | Hitachi, Ltd. | Automatic air-conditioning apparatus |
| CN200946884Y (en) * | 2006-07-06 | 2007-09-12 | 湖北美标汽车制冷***有限公司 | Automatic controller of lorry air-conditioning system |
| CN202166147U (en) * | 2011-07-22 | 2012-03-14 | 江苏省精创电气股份有限公司 | Electronic type engineering van air-conditioning controller |
| CN102506489A (en) * | 2011-10-22 | 2012-06-20 | 成都市翻鑫家科技有限公司 | Automobile air-conditioning refrigeration control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102765309A (en) | 2012-11-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102765309B (en) | Automatic engineering vehicle air-conditioning control method | |
| CN202719714U (en) | Air condition controller of automatic type engineering van | |
| CN103381782B (en) | A kind of electric automobile air-conditioning system and control method thereof | |
| CN102205782A (en) | Automatically-antifogging air-conditioning system and antifogging method | |
| CN103883545B (en) | The controlling method of cooling fan of engine and device | |
| CN109356704B (en) | Vehicle control system and vehicle | |
| CN205009917U (en) | But automatic ventilation control device of feedback information formula car | |
| CN101403902A (en) | Real-time monitoring system for air quality in vehicle based on remote control technology | |
| CN109733158B (en) | Vehicle window glass instantaneous fogging prevention system, instantaneous fogging prevention method and vehicle | |
| CN208766526U (en) | A kind of automotive electronics formula power distribution unit of self diagnosis and self-contr ol | |
| CN205448180U (en) | Bridge crane air conditioner prevents that compressor starts protection device of low pressure | |
| CN204845432U (en) | Vehicle air conditioner controller cuts out and awakens up controlling means with power supply time delay | |
| CN104442281B (en) | A kind of automobile and air-conditioner controller module thereof | |
| CN107878148B (en) | Air conditioner | |
| CN210239829U (en) | Cooling system of engine | |
| CN103199776B (en) | Direct current generator fixed rotating speed and adjustable rotating speed commutation circuit outside air conditioning chamber | |
| CN102354468A (en) | Virtual automobile automatic air-conditioning experimental platform circuit based on singlechip control | |
| CN204354763U (en) | A kind of automobile and air-conditioner controller module thereof | |
| CN203928278U (en) | Universal fixed frequency air conditioner control circuit | |
| CN101303156A (en) | Control panel applied on automobile air conditioner | |
| CN201298162Y (en) | Real-time monitoring system for air quality inside car based on remote control technology | |
| CN115008971A (en) | Seat air conditioner control system based on semiconductor refrigeration piece and CAN communication | |
| CN113276621A (en) | Parking air conditioner control method and device | |
| CN207984499U (en) | A kind of control system of blower for vehicle air conditioning | |
| CN201733071U (en) | Fault operation acousto-optic alarm device of special vehicle air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 221116 No. 21, the Pearl River East Road, No. 3 Industrial Park, Xuzhou High tech Industrial Development Zone, Xuzhou, Jiangsu Province Patentee after: JIANGSU JINGCHUANG ELECTRONICS Co.,Ltd. Country or region after: China Address before: No. 1, Mount Huangshan Road, Xuzhou High tech Industrial Development Zone, Xuzhou City, Jiangsu Province 221116 Patentee before: JIANGSU JINGCHUANG ELECTRONICS Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |