CN2905993Y - Anti-clamping automatic closing device for power-driven glass windows in automobile - Google Patents
Anti-clamping automatic closing device for power-driven glass windows in automobile Download PDFInfo
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- CN2905993Y CN2905993Y CNU2006201181607U CN200620118160U CN2905993Y CN 2905993 Y CN2905993 Y CN 2905993Y CN U2006201181607 U CNU2006201181607 U CN U2006201181607U CN 200620118160 U CN200620118160 U CN 200620118160U CN 2905993 Y CN2905993 Y CN 2905993Y
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Abstract
The utility model is an anti-biting automatic close device, which comprises a motor and a control device. The control device comprises a power supply circuit, a sampling circuit, a relay, a module for transforming and processing the signals, a control module, a module for measuring and driving. The sampling circuit is connected with the module for measuring and driving. The module for measuring and driving is separately connected with the relay, the sampling circuit and the control module. The control module is separately connected with the module for transforming and processing and the module for measuring and driving. Since the utility model can descend automatically when encounters the obstacle during the vehicle windowpane ascend automatically, the utility model is applicable for the window and transom light of various vehicle with the function of anti-biting to avoid being injured.
Description
Technical field
The intelligent controller that the utility model relates to a kind of automotive electric glass window anti-pinch and closes automatically is a kind of automotive electric glass window anti-pinch safety shutoff.
Background technology
Car steering person does not close glass for vehicle window because of carelessness, leave away behind the lock car, often take place with the phenomenon of suffering of bringing and loss; In addition, the driver and conductor easily is in the human body between the supreme backstop in glass for vehicle window upper edge, and the glass for vehicle window that is risen is automatically clamped the injury phenomenon that is caused and also happened occasionally.In view of the above, have various vehicle glass closers or controller on the market.
At present comparatively popular automotive electric glass window controller receives the central door lock block signal behind the lock car, realizes that glass for vehicle window is concentrated or circulation such as closes automatically at function with control, but does not all have pinch resistant functionality.This quasi-controller has adopted Car window electric machine running current sample circuit, and adopts adjustable resistance or single-chip microcomputer to preestablish reference current value, can play the effect that reduces the Car window electric machine locked rotor current and prolong its application life by setting reference current value.Its operating principle is as follows: when glass for vehicle window rises automatically, the Car window electric machine running current that sample circuit is obtained compares with the reference current value of being scheduled to, when not meeting obstacle, when glass for vehicle window rises to backstop, during Car window electric machine locked rotor current 〉=reference current value, controller stops the motor power supply has been realized closing automatically; When meeting obstacle, when Car window electric machine running current 〉=reference current value, controller stops the motor power supply, and glass stops to rise but can not descend automatically, thereby can not reach desirable anti-pinch purpose.This quasi-controller is reference with the reference current value that anticipation is set all, compares with motor operating current and locked rotor current, so cognitive disorders in fact fully; Because can not meet obstacle in the automatic uphill process of glass for vehicle window descends automatically,, damage still can for nipped human body although reduced the Car window electric machine locked rotor current.
The automotive electric glass window controller with pinch resistant functionality and closing function of existing domestic production, its operating principle has following two kinds: one, adopt the motor operating current sample circuit, and be provided with the anti-pinch current value, when running into obstacle in the automatic uphill process of vehicle window, during the anti-pinch current value of motor operating current 〉=set, the control glass realization pinch resistant functionality that descends automatically; The signal of stop position probing is gone up in its limit switch or sensor output simultaneously, and when not meeting obstacle in the automatic uphill process of glass for vehicle window when rising to stop, controller obtains and puts signal in place and stop to the motor power supply realization closing function.Inconvenience, poor stability are installed in the use that need match with limit switch or sensor of this quasi-controller.Two, employing hall device and permanent-magnetic clamp are formed sample circuit and are assemblied in the Car window electric machine, form " hall electric machine ".By its output motor operation number of turns, the motor operation number of total coils of remembering with single-chip microcomputer compares, and judges the glass for vehicle window position, closes with control; The anti-pinch principle is the same.The use that need match with hall electric machine of this quasi-controller can not independently be installed, and cost of production is higher.Simultaneously, because error is uncertain, so accuracy, less stable, in actual use, need accurate again frequently.
Summary of the invention
The utility model is to solve to clamp human body easily when existing automobile electric window rises and influence the motor operate as normal or to technical problems such as the human body that is pressed from both sides damage, in case and provide a kind of automotive electric glass window anti-pinch safety shutoff that obstacle can stop immediately and descend, also can be suitable for different automobile types that runs in the automobile electric window uphill process.
Automotive electric glass window anti-pinch safety shutoff of the present utility model, mainly include the control device that drives motor-vehicle glass window rising or motor that descends and control machine operation, this control device includes power circuit, sample circuit, relay, signal conversion process module, control module and detects driver module; Described sample circuit links to each other with the detection driver module, the operating parameter values when being used to gather the motor operation; This detects driver module and links to each other with each relay, sample circuit and control module respectively, be used to amplify above-mentioned operating parameter values and and receive that control module transmits each instruct to drive each relay work; This control module links to each other with the detection driver module with signal conversion process module respectively, be used for the signal of telecommunication of received signal conversion process module collection and carry out A/D conversion reaching in detecting driver module, and computing and remember the operating parameter values that driver module after testing amplifies.
Closer of the present utility model has in the automatic uphill process of each glass for vehicle window meets the pinch resistant functionality that obstacle can descend automatically; Behind automobile stagnation of movement lock car, have Automatic Cycle or concentrate the anti-pinch closing function of preventing each glass for vehicle window of clip closure.Can effectively prevent when glass for vehicle window rises automatically, to being in the edge on glass injury that human body between the stop causes to the glass for vehicle window unintentionally; Exempt the people behind car because of carelessness do not close as yet glass for vehicle window with suffering and loss.Can use the door and window and the roof window of all kinds of automobiles.
In addition, this closer also has following function: glass anti-pinch Automatic Cycle is closing function successively; The delay cut-off sleep mode; The automobile stagnation of movement, behind key or remote controller locking central door lock, automatic closing function starts, and has the function of the glass for vehicle window that detects successively and do not close; In closing closed procedure, connect ignition switch once more, will stop to close automatically work.Sleep mode: when locating, closer delay cut-off function is activated at " OFF " for automobile stagnation of movement, ignition switch, delays time that closer cuts off the power supply automatically after 5 minutes, is in dormancy.The automatic lifting function: among the running car or stop, key is in ignition switch " ON " when locating, and the time of pressing the window lifting gauge tap is less than 1 second, the function that left front glass for vehicle window has automatic rising or descends automatically.Pinch resistant functionality: glass for vehicle window can descend as obstacle automatically automatically rising and closing in the closed procedure automatically, descend stop and waiting for for 2 times in second after, glass will rise or close automatically once more automatically, accessible then rising or be closed to stop automatically automatically.
The drawing explanation
Fig. 1 is a safety shutoff theory diagram of the present utility model;
Fig. 2 is a kind of electric machine operation state connection layout according to above-mentioned principle provided;
Fig. 3 is the control module circuit diagram in the utility model;
Fig. 4 is the detection driver module circuit diagram in the utility model;
Fig. 5 is the signal conversion process module circuit diagram in the utility model.
Same mark links to each other by circuit mutually among above-mentioned each figure.
The specific embodiment
Referring to Fig. 1, anti-pinch safety shutoff of the present utility model is to realize its function by the running of controlling the motor that drives the motor-vehicle glass window rising or descend.It mainly includes the control device that drives motor-vehicle glass window rising or motor that descends and control machine operation.This control device is to carry out work by detecting the relay that various signals order about the control motor, does corresponding running thereby start the motor join with it, rises or descends with the driving automobile glass window.Described control device includes power circuit, sample circuit, relay, signal conversion process module, control module and detects driver module.Described power circuit is directly provided+voltage of 12V by storage battery, and this voltage directly acts on sample circuit on the one hand; On the other hand through stabilizator U
1(7805) provide the operating voltage of each module after the voltage stabilizing; The operating current of each module also is provided after filtering in addition.Described sample circuit links to each other with the detection driver module, the operating parameter values (as current value) when being used to gather the motor operation; This detection driver module links to each other with each relay, sample circuit and control module respectively, is used to amplify above-mentioned operating parameter values and receives respectively instructing to drive each relay work that control module transmitted; This control module links to each other with the detection driver module with signal conversion process module respectively, be used for the signal of telecommunication of received signal conversion process module collection and carry out A/D conversion reaching in detecting driver module, and computing and remember the operating parameter values that driver module after testing amplifies.
Referring to Fig. 1 and Fig. 2, above-mentioned sample circuit includes sampling resistor R and by capacitor C
6, C
8Form high-end filter circuit; This sample circuit is by relay J 2 controls, and when connecting power supply, this relay is in normally closed point, connects circuit.The two ends of this sampling resistor R link to each other with the detection driver module.
Again referring to Fig. 4, described detection driver module includes testing circuit and drive circuit, described testing circuit comprises two amplifier U4A, U4B, above-mentioned sampling resistor R links to each other with amplifier U4A, realize adopting voltage difference delta U on the differential input sample resistance R through the first order amplifier of amplifier U4A, and be output as voltage difference delta U over the ground; Realize the amplification (as 10 times amplification) of certain multiple again through the second level of amplifier U4B amplifier, the certain operating current when obtaining a motor operation is exported certain voltage-to-ground value simultaneously, and this output voltage values is proportional to the running current of motor.When motor normally moves, produce certain voltage and fall in the Δ U on sampling resistor R, its vehicle glass has certain running time to following stop and following stop to last stop by last stop.Above-mentioned amplifier U4B should amplify operating parameter values through V
jBe transported to control module, by single-chip microcomputer computing and memory, detect reference value as glass position, this reference value will be upgraded with glass opening and closing constantly.
Described drive circuit includes integrated package U3 and diode D6～D10, and this integrated package U3 model is selected 74LS145 for use, makes the relay adhesive with the current power that guarantees the relay coil adhesive.The instruction that control module is sent by 12,13,14 contacts by integrated package U3 through contact 7～11 outputs and order about corresponding relays J7～J11 work (referring to Fig. 2).
Again referring to Fig. 3, described control module mainly includes integrated package M8, this integrated package M8 is delivered to detection driver module by output contact 12～14 by the signal of telecommunication that signal input contact 1～4 receives after signal conversion process module conversion process after the A/D conversion.Meanwhile, by contact V
jThe operating parameter values that receives after amplifying is also remembered through computing, is used for the working condition of more various motors operations.
Also have a communication ends on the described control module, be used for sending and the received pulse signal.Pin 30,31 by integrated package M8 receives and sends various pulse signals.
Have the online programming end on the described control module, can set the predefined parameter value according to conditions such as different automobile types.
As requested, on control module, also can be provided with various working condition displays and remember the cleaning of making zero, so that re-enter various parameter values by the online programming end to having.
Referring to Fig. 5, described signal conversion process module includes integrated package U5, it has the signal (rise and start) that receives motor-vehicle glass window and rise to control end, signal (descend and start), function locking signal (R command signal) and the central authorities' door that drops to control end triggers enabling signal, above-mentioned each signal receives by contact K42, K52, R, Q (Q1 and Q2) respectively, and it is delivered to control module by contact after integrated package U5 conversion process.Described signal conversion process module also includes a delay cut-off circuit.This delay cut-off circuit is made up of two triode Q2 and Q3, the base stage of this triode Q3 links to each other with triode Q2 colelctor electrode, its colelctor electrode is by contact KY control relay J1, the base stage of triode Q2 " prolong " by contact and control module in the 26th pin of integrated package M8 join.
Operating principle of the present utility model and effect are as follows:
1, detect driver module:
Motor operating current detects: the operating current of motor operation is gone up the voltage drop Δ U that produces at sampling resistor (R=10m Ω), and testing circuit is made up of LM3581 and peripheral resistance.First order amplifier realizes adopting the Δ U on the differential input R, be output as Δ U voltage over the ground, realize 10 times of amplifications through second level amplifier, guarantee it: 10A * 10m Ω=0.1V, 0.1V * 10=1V, be output as 1V voltage-to-ground value when being 10A operation operating current, output voltage values is proportional to the operating current of motor.
Motor detects running time: the operating current during the motor operation produces on sampling resistor in the voltage drop Δ U, glass outputs to control module to following stop and glass by the time of descending stop to last stop motor operation by last stop, and remembered by single-chip microcomputer, detect the reference time as glass position, glass all upgrades the last time time of single-chip microcomputer memory by stop down to the time of last stop motor operation to stop and glass down by last stop each time.
Motor-driven: the relay adhesive signal by control module output makes the relay adhesive, to guarantee the current power of relay coil adhesive.
2, signal conversion process module
Delay cut-off drives: by the delay cut-off command signal of control module generation, handle through the driving of two utmost points, guarantee that R is the low electric rate 300S moment by high-voltage variable, send cut-offing instruction, the KY relay is discharged, cut off the system works power supply, controller enters resting state.
Rise and start, descend startup, R command signal and central door lock trigger start command signal, after signal conversion process resume module, receive the integrated package M8 of control module, the assurance level is unified, its polarity meets the requirement of M8 programming, and the command signal neat in edge is clean, the various interference that blocking-up outer lead and switch are introduced and the irregularity of input signal.Promptly be input to the incoming signalling of the M8 of control module, as long as external switch K starts, the input port signal of M8 changes 0V into by the 4V magnitude of voltage immediately, and the level unanimity guarantees the reliable and stable work of M8.
3, control module
Function locking season: control is selected in difference, and (crawl rises continuously, manually rises; Crawl descends continuously, manually continuously descends) and sequential control (be right front window close → right back window closes → left back window closes → left front window closes).
The crawl anti-pinch; When vehicle window rises continuously at last crawl, glass be obstructed current of electric produce Δ I after testing driver module detect Δ U and enter in the M8 in the A/D conversion and M8 selected voltage and carry out numeral and compare, M8 sends instruction during greater than value given in advance.
4, power circuit
Electric source filter circuit: by forming from double insurance F, inductance L 1, capacitor C 2, C3, C4, power supply shields to system works from double insurance, the filter circuit that inductance L 1 and capacitor C 2, C3, C4 form.
Electric source filter circuit is introduced the 12V power supply by being connected with 12V power supply ten ends from double insurance one end, and output is connected with relay J 1 central contact, for the system works power supply circuits provide 12V power supply.
Signal conversion process module is exported a high voltage, by module controls block system relay J1 coil power supply, has both cut off system's power supply of entire controller.
The system works power supply circuits:
By relay J 1, three end integrated stable voltage circuit U1 (7805), compositions such as capacitor C 5, C7, diode D.
When connecting igniting (R signal) through diode D, 7085 inputs obtain+12V voltage, and output+5V is to signal conversion process module and control module, and M8 carries out initialization, startup work.Make single-chip microcomputer M8 be output as low-voltage, after relay J 1 adhesive and keep, set up system works voltage+12V and+5V.
Stop on glass detects, and glass, is detected through sample circuit to stop down with by time of the supreme stop motor operation of backstop down by last stop, outputs to the single-chip microcomputer M8 of main control module and is remembered through drive circuit again.Motor all upgrades the last time time of memory up and down the running time between stop each time.Program utilization fuzzy control technology and synchronous tracking technology are handled the time sampling parameter, set up the anti-pinch zone.Glass is controlled the operation major loop constantly to last stop, and relay is stopped power supply, and finishes reliably and closes accurately.
Claims (8)
1, automotive electric glass window anti-pinch safety shutoff, mainly include the control device that drives motor-vehicle glass window rising or motor that descends and control machine operation, it is characterized in that: this control device includes power circuit, sample circuit, relay, signal conversion process module, control module and detects driver module; Described sample circuit links to each other with the detection driver module, the operating parameter values when being used to gather the motor operation; This detection driver module links to each other with each relay, sample circuit and control module respectively, is used to amplify above-mentioned operating parameter values and receives respectively instructing to drive each relay work that control module transmitted; This control module links to each other with the detection driver module with signal conversion process module respectively, be used for the signal of telecommunication of received signal conversion process module collection and carry out A/D conversion reaching in detecting driver module, and computing and remember the operating parameter values that driver module after testing amplifies.
2, anti-pinch safety shutoff according to claim 1 is characterized in that: above-mentioned sample circuit includes sampling resistor R and by capacitor C
6, C
8Form high-end filter circuit; This sample circuit is by relay J 2 controls; Above-mentioned sampling resistor R two ends link to each other with the detection driver module.
3, anti-pinch safety shutoff according to claim 2, it is characterized in that: described detection driver module includes testing circuit and drive circuit, described testing circuit comprises two amplifier U4A, U4B, above-mentioned sampling resistor R links to each other with amplifier U4A, and the operating parameter values that this amplifier U4B will amplify is through V
jBe transported to control module; Described drive circuit includes integrated package U3.
4, anti-pinch safety shutoff according to claim 3 is characterized in that: above-mentioned integrated package U3 model is selected 74LS145 for use.
5, according to each described anti-pinch safety shutoff in the claim 1～4, it is characterized in that: described control module mainly includes integrated package M8, this integrated package M8 is delivered to detection driver module by output contact 12～14 by the signal of telecommunication that signal input contact 1～4 receives after signal conversion process module conversion process after the A/D conversion; By contact V
jThe operating parameter values that receives after amplifying is also remembered through computing.
6, anti-pinch safety shutoff according to claim 5 is characterized in that: also have a communication ends on the described control module, be used for sending and the received pulse signal.
7, anti-pinch safety shutoff according to claim 5 is characterized in that: have the online programming end on the described control module.
8, anti-pinch safety shutoff according to claim 5 is characterized in that: described signal conversion process module includes integrated package U5, and further includes a delay cut-off circuit; This delay cut-off circuit is made up of two triode Q2 and Q3, the base stage of this triode Q3 links to each other with triode Q2 colelctor electrode, its colelctor electrode is by contact KY control relay J1, the base stage of triode Q2 " prolong " by contact and control module in integrated package M8 join.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201181607U CN2905993Y (en) | 2006-06-02 | 2006-06-02 | Anti-clamping automatic closing device for power-driven glass windows in automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201181607U CN2905993Y (en) | 2006-06-02 | 2006-06-02 | Anti-clamping automatic closing device for power-driven glass windows in automobile |
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| Publication Number | Publication Date |
|---|---|
| CN2905993Y true CN2905993Y (en) | 2007-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201181607U Expired - Fee Related CN2905993Y (en) | 2006-06-02 | 2006-06-02 | Anti-clamping automatic closing device for power-driven glass windows in automobile |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182748B (en) * | 2007-12-04 | 2011-08-10 | 奇瑞汽车股份有限公司 | Vehicle window clipping prevention system based on LIN bus |
| CN102312634A (en) * | 2010-07-07 | 2012-01-11 | 河南万鑫济科技有限公司 | Anti-pinching control method and control system for automotive electric window |
| CN102392576A (en) * | 2011-09-20 | 2012-03-28 | 河南天海科技有限公司 | Intelligent control method for automobile electric window |
| CN102418449A (en) * | 2011-12-27 | 2012-04-18 | 昌辉汽车电气系统（安徽）有限公司 | Anti-nip control method for automatically correcting electric window in use |
| CN102611077A (en) * | 2012-03-09 | 2012-07-25 | 北京经纬恒润科技有限公司 | Car door window motor lock-rotor protection method and system |
| CN103184823A (en) * | 2011-12-30 | 2013-07-03 | 比亚迪股份有限公司 | Automobile automatic window closer |
| CN103967379A (en) * | 2014-05-09 | 2014-08-06 | 奇瑞汽车股份有限公司 | Vehicle window glass lifting control method |
| CN105226614A (en) * | 2015-09-29 | 2016-01-06 | 北京航天发射技术研究所 | Safe and reliable DC motor control system and control method |
| CN106792362A (en) * | 2017-03-02 | 2017-05-31 | 合肥极友软件开发有限公司 | A kind of vehicle audio volume intelligent regulating system opened and closed based on vehicle window |
| CN106884595A (en) * | 2017-03-27 | 2017-06-23 | 深圳市金证卡尔电子有限公司 | Electric tail gate control method and device |
| CN107407121A (en) * | 2015-03-16 | 2017-11-28 | 株式会社美姿把 | Window glass for vehicle lowering or hoisting gear, vehicle door and vehicle |
| CN112854973A (en) * | 2021-01-12 | 2021-05-28 | 湖南大树下科技有限公司 | Light-variable glass for electric side window and man-machine communication system thereof |
| CN114270009A (en) * | 2020-06-05 | 2022-04-01 | 京东方科技集团股份有限公司 | Smart vehicle window, controller thereof, power detection method and storage medium |
| US12034293B2 (en) | 2020-06-05 | 2024-07-09 | Beijing Boe Sensor Technology Co., Ltd. | Smart window and controller thereof, power detection method and storage medium |
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- 2006-06-02 CN CNU2006201181607U patent/CN2905993Y/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182748B (en) * | 2007-12-04 | 2011-08-10 | 奇瑞汽车股份有限公司 | Vehicle window clipping prevention system based on LIN bus |
| CN102312634A (en) * | 2010-07-07 | 2012-01-11 | 河南万鑫济科技有限公司 | Anti-pinching control method and control system for automotive electric window |
| CN102312634B (en) * | 2010-07-07 | 2014-11-05 | 河南万鑫济科技有限公司 | Anti-pinching control method and control system for automotive electric window |
| CN102392576A (en) * | 2011-09-20 | 2012-03-28 | 河南天海科技有限公司 | Intelligent control method for automobile electric window |
| CN102418449A (en) * | 2011-12-27 | 2012-04-18 | 昌辉汽车电气系统（安徽）有限公司 | Anti-nip control method for automatically correcting electric window in use |
| CN102418449B (en) * | 2011-12-27 | 2014-04-02 | 昌辉汽车电气系统（安徽）有限公司 | Anti-nip control method for automatically correcting electric window in use |
| CN103184823A (en) * | 2011-12-30 | 2013-07-03 | 比亚迪股份有限公司 | Automobile automatic window closer |
| CN102611077A (en) * | 2012-03-09 | 2012-07-25 | 北京经纬恒润科技有限公司 | Car door window motor lock-rotor protection method and system |
| CN102611077B (en) * | 2012-03-09 | 2015-06-24 | 北京经纬恒润科技有限公司 | Car door window motor lock-rotor protection method and system |
| CN103967379A (en) * | 2014-05-09 | 2014-08-06 | 奇瑞汽车股份有限公司 | Vehicle window glass lifting control method |
| CN107407121A (en) * | 2015-03-16 | 2017-11-28 | 株式会社美姿把 | Window glass for vehicle lowering or hoisting gear, vehicle door and vehicle |
| CN107407121B (en) * | 2015-03-16 | 2019-06-18 | 株式会社美姿把 | Window glass for vehicle lifting device, vehicle door and vehicle |
| CN105226614A (en) * | 2015-09-29 | 2016-01-06 | 北京航天发射技术研究所 | Safe and reliable DC motor control system and control method |
| CN105226614B (en) * | 2015-09-29 | 2018-07-10 | 北京航天发射技术研究所 | safe and reliable DC motor control system and control method |
| CN106792362A (en) * | 2017-03-02 | 2017-05-31 | 合肥极友软件开发有限公司 | A kind of vehicle audio volume intelligent regulating system opened and closed based on vehicle window |
| CN106884595A (en) * | 2017-03-27 | 2017-06-23 | 深圳市金证卡尔电子有限公司 | Electric tail gate control method and device |
| CN106884595B (en) * | 2017-03-27 | 2019-04-02 | 深圳市赛格车圣科技有限公司 | Electric tail gate control method and device |
| CN114270009A (en) * | 2020-06-05 | 2022-04-01 | 京东方科技集团股份有限公司 | Smart vehicle window, controller thereof, power detection method and storage medium |
| CN114270009B (en) * | 2020-06-05 | 2023-10-10 | 京东方科技集团股份有限公司 | Smart window, controller, power detection method and storage medium thereof |
| US12034293B2 (en) | 2020-06-05 | 2024-07-09 | Beijing Boe Sensor Technology Co., Ltd. | Smart window and controller thereof, power detection method and storage medium |
| CN112854973A (en) * | 2021-01-12 | 2021-05-28 | 湖南大树下科技有限公司 | Light-variable glass for electric side window and man-machine communication system thereof |
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Assignee: Ningbo Hengte Automobile Parts Co., Ltd. Assignor: Tu Yueming Contract record no.: 2010330000542 Denomination of utility model: Anti-clamping automatic closing device for power-driven glass windows in automobile Granted publication date: 20070530 License type: Exclusive License Record date: 20100419 |
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Owner name: NINGBO HENGTE AUTOMOBILE PARTS CO., LTD. Free format text: FORMER OWNER: TU YUEMING Effective date: 20110615 |
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