CN103362394B - A kind of control system of arrangements for automotive doors - Google Patents
A kind of control system of arrangements for automotive doors Download PDFInfo
- Publication number
- CN103362394B CN103362394B CN201310259630.6A CN201310259630A CN103362394B CN 103362394 B CN103362394 B CN 103362394B CN 201310259630 A CN201310259630 A CN 201310259630A CN 103362394 B CN103362394 B CN 103362394B
- Authority
- CN
- China
- Prior art keywords
- control system
- bearing bracket
- pressure sensor
- drive end
- car door
- 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
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of control system of arrangements for automotive doors, it is characterized in that: described control system is that PI automatic control system calculates the draught head inside and outside car door according to the signal of telecommunication that the inside pressure sensor of both sides inside and outside car door and outside pressure sensor passes are come, and control moment generator produces auxiliary torque to car door carrys out the unfavorable moment that equilibrium air produces car door; The pass gate signal rear drive torquer receiving remote controller when the receiver of remote-control sytem of PI automatic control system produces moment of closing the door and completes action of closing the door.Owing to adopting above-mentioned structure, present invention achieves the object realizing the steady folding of arrangements for automotive doors under different conditions.<!--1-->
Description
Technical field
The present invention relates to the automation field of automobile, particularly a kind of control system of arrangements for automotive doors.
Background technology
Along with growth in the living standard, the demand of people to automobile is increasing, and also more and more higher to the quality requirement of automobile.But in the Functional Design of arrangements for automotive doors, being but only satisfied with simply can switching requirements always.The now connection of arrangements for automotive doors is commercially all adopt directly simple hinge solution substantially.
The advantages such as structure is simple, easy for installation although above-mentioned scheme has, good economy performance, also exist some safety problems.Such as in the weather condition of strong wind, because automobile interior exterior draught head is comparatively large, car door can be made to produce an outside moment, and when passenger pulls open car door dead bolt, car door there will be the phenomenon that pops suddenly; Or at strong wind weather and car door is half-open, car external wind can make car door produce the moment of one outwards (or inwardly) equally, and car door is played pendulum.
For above-mentioned situation, for arrangements for automotive doors provides a kind of novel control system, it is made steady folding to be the problem that prior art needs to solve under different conditions.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of control system of arrangements for automotive doors, to reach the object realizing the steady folding of arrangements for automotive doors under different conditions.
For achieving the above object, technical scheme of the present invention is, a kind of control system of arrangements for automotive doors, it is characterized in that: described control system is that PI automatic control system calculates the draught head inside and outside car door according to the signal of telecommunication that the inside pressure sensor of both sides inside and outside car door and outside pressure sensor passes are come, and control moment generator produces auxiliary torque to car door carrys out the unfavorable moment that equilibrium air produces car door; The pass gate signal rear drive torquer receiving remote controller when the receiver of remote-control sytem of PI automatic control system produces moment of closing the door and completes action of closing the door.
Described torquer is that group of magnets is fixing in the enclosure, armature winding coaxially inserts rear bearing and embeds in bearing of rear end cover hole, described rear end cap is withheld on the rear end face of described shell, drive end bearing bracket and fore bearing are withheld on described case nose face, front retainer, rear retainer are coaxially pressed on outside described drive end bearing bracket, rear end cap respectively, motor is fixed in motor fixing frame, and is coaxially connected with armature winding front axle by motor shaft with shaft coupling.
Signal acquisition circuit in described PI automatic control system gathers the signal of telecommunication that inside pressure sensor and outside pressure sensor passes come by analysis after comparison circuit, accesses torquer by integral controller, power amplifier; The rear axle of negative-feedback circuit access torquer, and by the deviation electrical signal conduction integral controller of feedback.
Described drive end bearing bracket forward part side is the drive end bearing bracket conical surface, and on the drive end bearing bracket conical surface, be uniformly distributed 12 ~ 16 semi-cylindrical drive end bearing bracket grooves, drive end bearing bracket groove is built with cylindrical roller, and described fore bearing is coaxially connected with described armature winding, embed in the dead eye at described drive end bearing bracket center, snap in shell inner convex platform by groove; Screw hole and casing screws hole are coaxial docking, the boss of described drive end bearing bracket just presses described armature winding and axial restraint, withhold on described case nose mouth, are connected and fixed with screw.
Described front retainer top is rectangle, and it is distributed with 2 ~ 3 retainer bolts hole, is connected and fixed by bolt and vehicle body; Described front retainer bottom is conical surface annular, is provided with the retainer groove corresponding to the described drive end bearing bracket conical surface in retainer inner conical surface, and the corresponding described drive end bearing bracket groove of described retainer groove is coaxially withheld outside described drive end bearing bracket, and leaves certain air gap between the two.
Described input end of motor connects power amplifier output, the external negative-feedback circuit of described armature winding, and described negative-feedback circuit is the load circuit of described armature winding simultaneously.
Described signal acquisition circuit is made up of car door inside pressure sensor, door outside pressure sensor and receiver of remote-control sytem, and described car door inside pressure sensor, door outside pressure sensor and receiver of remote-control sytem compose in parallel signal comparator circuit.
The structure of described receiver of remote-control sytem is remote control switch, connects with identical voltage direction with described car door inside pressure sensor; Connect with contrary voltage direction with described door outside pressure sensor.
A control system for arrangements for automotive doors, owing to adopting above-mentioned structure, the present invention has the following advantages: 1, achieve the object realizing the steady folding of arrangements for automotive doors under different conditions; 2, adopt torquer to be actuating unit, directly can obtain a certain size moment with direction by controlling motor speed, this device has good reliability, controls the feature of simple, easy realization; 3, adopt PI automatic control system to be control device, can reflect ambient conditions residing for car door accurately, in time and in addition accurate control moment generator, this system has that structure circuit is simple, the degree of accuracy is high, respond feature timely; 4, according to car door ambient conditions, corresponding self-locking moment can be produced in time, stablize car door, improve the switch gate safety of car door under some complex environments; 5, simultaneously, can remote controller Long-distance Control door-closing operation be used, improve the convenience of closing of the door.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation;
Fig. 1 is the schematic diagram of the control system torquer of a kind of arrangements for automotive doors of the present invention;
Fig. 2 is the schematic diagram of the control system motor fixing frame of a kind of arrangements for automotive doors of the present invention;
Fig. 3 is the schematic diagram of the control system drive end bearing bracket of a kind of arrangements for automotive doors of the present invention;
Fig. 4 is the right side schematic diagram of retainer before the control system of a kind of arrangements for automotive doors of the present invention;
Fig. 5 is the schematic diagram of the control system shell of a kind of arrangements for automotive doors of the present invention;
Fig. 6 is the structured flowchart of the control system of a kind of arrangements for automotive doors of the present invention;
Fig. 7 is the circuit diagram of the control system PI control system of a kind of arrangements for automotive doors of the present invention;
In figures 1-7,1, motor; 2, motor fixing frame; 3, shaft coupling; 4, drive end bearing bracket; 5, front retainer; 6, armature winding; 7, group of magnets; 8, shell; 9, rear retainer; 10, rear end cap; 11, rear bearing; 12, cylindrical roller; 13, fore bearing; 14, door outside pressure sensor; 15, car door inside pressure sensor; 16, receiver of remote-control sytem; 17, motor shaft; 18, fixed mount bolt hole; 19, screw hole; 20, drive end bearing bracket groove; 21, the drive end bearing bracket conical surface; 22, boss; 23, dead eye; 24, groove; 25, retainer inner conical surface; 26, retainer bolt hole; 27, retainer groove; 28, front axle; 29, rear axle; 30, housing bolts hole; 31, shell inner convex platform; 32, casing screws hole; 33, signal acquisition circuit; 34, com-parison and analysis circuit; 35, integral controller; 36, power amplifier; 37, negative-feedback circuit.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, detailed description of the invention of the present utility model is described in further detail.
As shown in Fig. 1 ~ Fig. 5, the device that a kind of car door self-locking of the utility model and control are closed the door comprises torquer and PI automatic control system two parts.
Torquer comprises motor 1, motor fixing frame 2, shaft coupling 3, drive end bearing bracket 4, front retainer 5, armature winding 6, group of magnets 7, shell 8, rear retainer 9, cylindrical roller 12, rear end cap 10, rear bearing 11, fore bearing 13.Wherein:
Group of magnets 7 is fixed in shell 8, and armature winding 6 coaxially inserts rear bearing 11 and embeds in rear end cap 10 dead eye, and described rear end cap 10 is withheld on the rear end face of described shell 8, and drive end bearing bracket 4 and fore bearing 13 are withheld on described shell 8 front end face;
Front retainer 5, rear retainer 9 are coaxially pressed on outside described drive end bearing bracket 4, rear end cap 10 respectively, and motor 1 is fixed in motor fixing frame 2, and are coaxially connected with armature winding front axle 28 by motor shaft 17 with shaft coupling 3.
Shell 8 bottom is rectangle, and has 4 ~ 6 housing bolts holes 30, be bolted and fix with car door above it.
Group of magnets 7 is at least made up of two blocks of semicircular ring shape permanent magnets, and is symmetrically distributed in described enclosure, forms stationary magnetic field by shell inner convex platform 31 circumference is fixing.
Armature winding 6 coaxially inserts in described shell 8 fixing, and and have air gap between described group of magnets 7 and described shell inner convex platform 31, described armature winding 6 accesses negative-feedback circuit.
Drive end bearing bracket 4 forward part side is the drive end bearing bracket conical surface 21, and on the drive end bearing bracket conical surface 21, be uniformly distributed 12 ~ 16 semi-cylindrical drive end bearing bracket grooves 20, drive end bearing bracket groove 20 is built with cylindrical roller 12, and described armature winding 6 coaxially inserts fore bearing 13, embed in the dead eye 23 at described drive end bearing bracket 4 center, snap in described shell inner convex platform 31 by groove 24, require simultaneously: screw hole 19 and casing screws hole 32 are coaxial docking; The boss 22 of described drive end bearing bracket 4 just presses described group of magnets 7, and described shell 8 is enclosed within group of magnets 7 outer.
The boss 22 of described drive end bearing bracket 4 just presses described armature winding 6 and axial restraint, withholds on described shell 8 front port, is connected and fixed with screw.
Rear end cap 10 adopts identical feature with described drive end bearing bracket 4.
Described front retainer 5 top is rectangle, it is distributed with 2 ~ 3 retainer bolts hole 26, be bolted and fix with vehicle body, bottom is conical surface annular, the retainer groove 27 corresponding to the described drive end bearing bracket conical surface 21 is had in retainer inner conical surface 25, the corresponding described drive end bearing bracket groove 20 of described retainer groove 27 is coaxially withheld outside described drive end bearing bracket 4, and leaves certain air gap between the two.
Rear retainer 9 and described front retainer 5 adopt same characteristic features coaxially to withhold in the rear outside end cap 10.
The motor shaft 17 of motor 1 is coaxially fixedly connected with front axle 28 shaft coupling 3 of the armature winding 6 stretching out drive end bearing bracket 4.Rear axle 29 is arranged on rear end cap 10 by rear bearing 11.
In annular below motor fixing frame 2, top is rectangle, and described motor 1 to be sleeved on below motor fixing frame 2 in annulus, is distributed with 2 ~ 3 fixed mount bolts hole 18 in the rectangle of top, with boltsly fixes with vehicle body;
As shown in Figure 1, Figure 6, Figure 7, PI automatic control system is provided with signal acquisition circuit, com-parison and analysis circuit, integral controller, power amplifier and negative-feedback circuit.Wherein:
This three composes in parallel signal and is connected with integral controller input.
Described signal acquisition circuit is made up of car door inside pressure sensor 15, door outside pressure sensor 14 and receiver of remote-control sytem 16, and described car door inside pressure sensor 15, door outside pressure sensor 14 and receiver of remote-control sytem 16 compose in parallel signal comparator circuit.
Power amplifier input connects integral controller output, exports termination motor 1 input.
Described in negative-feedback circuit input termination, the output of armature winding 6, exports the input of termination integral controller.And described negative-feedback circuit is the load circuit of described armature winding 6 simultaneously.
As shown in Figure 7, described signals collecting is made up of car door inside pressure sensor 15, outside pressure sensor 14 and receiver of remote-control sytem 16, and this three composes in parallel described signal and compares; Integral controller is connected with the end of oppisite phase of an operational amplifier by the resistive element R1 of the preset parameter capacitor C that connects again; Negative-feedback circuit is connected with a changeable parameters resistive element R ' resistance fixed end by described armature winding 6 output, and is connected with bonding, and the adjustable end of resistance of changeable parameters resistive element R ' is the output of negative-feedback circuit.
Described receiver of remote-control sytem 16, its essence is remote control switch, accesses the voltage of equidirectional with described car door inside pressure sensor 15, and contrary with the voltage direction that described door outside pressure sensor 14 accesses.
The parameter adjustment of changeable parameters resistive element R ' is concrete relevant with the signal of telecommunication entering integral controller, by adjusting its parameter to realize accurately giving expression to the signal of telecommunication of the moment deviation needed for the moment of torquer generation and theory.
As shown in Figure 7, between com-parison and analysis with integral controller, between negative-feedback circuit with integral controller, the in-phase end of operational amplifier and the resistive element R of an identical parameters of all connecting between ground connection, play overload protective function.
As shown in Fig. 1 and Fig. 7, the utility model is when performing self-locking work, the inside and outside pressure at both sides sensor 15,14 of described car door is measured and pressure at both sides value inside and outside car door is converted into the signal of telecommunication, the electric signal transmission of car door pressure at both sides difference is calculated in integral controller again by com-parison and analysis, and process the signal of telecommunication transmitted further and be input in power amplifier, power amplifier output connects motor 1, makes its work that is energized.The rotary work of described motor 1, described armature winding 6 has been driven to rotate in the stationary magnetic field that described group of magnets 7 is formed, due to the effect in magnetic field, described armature winding 6 can be made to produce a moment (this moment size and direction quantitatively can be calculated by the rotating speed of described armature winding 6) to described group of magnets 7.Because described group of magnets 7 is with described shell 8 is fixing and described shell 8 is fixedly mounted on car door, so the moment that described armature winding 6 produces can act on car door losslessly, be used for balance by the unfavorable moment of the factors such as air to car door, to reach self-locking effect.In operating process, the electric current (can directly reflect by calculating the moment that described armature winding 6 produces) produced in described armature winding 6 is linked in negative-feedback circuit, be converted into the deviation signal of telecommunication again by negative-feedback circuit, be passed to integral controller and carry out auto-adjustment control accurately.
When the utility model performs and closes the door work, at above-mentioned car door on the basis of latching operation, only need export one by remote controller and close gate signal, being received by receiver of remote-control sytem 16 and being converted into the signal of telecommunication imports in integral controller, controlling result is make described armature winding 6 on the basis preventing car door from popping suddenly, produce a moment of closing the door again, thus completes door-closing operation.
The utility model can not only well eliminate hidden danger of the prior art, and driver's Long-distance Control can also be provided to close the door function, brings convenience to driver.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that technical solution of the present invention is carried out, or directly apply to other occasion, all within protection scope of the present invention without improving.
Claims (7)
1. the control system of an arrangements for automotive doors, it is characterized in that: the described control system signal of telecommunication that to be PI automatic control system pass over according to the inside pressure sensor (15) of both sides inside and outside car door and outside pressure sensor (14) calculates the draught head inside and outside car door, and control moment generator produces auxiliary torque to car door carrys out the unfavorable moment that equilibrium air produces car door; The pass gate signal rear drive torquer receiving remote controller when the receiver of remote-control sytem (16) of PI automatic control system produces moment of closing the door and completes action of closing the door; Signal acquisition circuit (33) in PI automatic control system gathers the signal of telecommunication that inside pressure sensor (15) and outside pressure sensor (14) pass over by analysis after comparison circuit (34), by integral controller (35), power amplifier (36) access torquer; The rear axle of negative-feedback circuit (37) access torquer, and by the deviation electrical signal conduction integral controller (35) of feedback.
2. the control system of a kind of arrangements for automotive doors according to claim 1, it is characterized in that: described torquer is that group of magnets (7) is fixed in shell (8), armature winding (6) coaxially inserts rear bearing (11) and embeds in rear end cap (10) dead eye, described rear end cap (10) is withheld on the rear end face of described shell (8), drive end bearing bracket (4) and fore bearing (13) are withheld on described shell (8) front end face, front retainer (5), rear retainer (9) is coaxially pressed on described drive end bearing bracket (4) respectively, rear end cap (10) outside, motor (1) is fixed in motor fixing frame (2), and with shaft coupling (3), motor shaft (17) is coaxially connected with armature winding front axle (28).
3. the control system of a kind of arrangements for automotive doors according to claim 2, it is characterized in that: described drive end bearing bracket (4) forward part side is the drive end bearing bracket conical surface (21), and on the drive end bearing bracket conical surface (21), be uniformly distributed 12 ~ 16 semi-cylindrical drive end bearing bracket grooves (20), drive end bearing bracket groove (20) is built with cylindrical roller (12), and described fore bearing (13) is coaxially connected with described armature winding (6), embed in the dead eye (23) at described drive end bearing bracket (4) center, shell inner convex platform (31) is snapped in by groove (24), screw hole (19) and casing screws hole (32) are coaxial docking, the boss (22) of described drive end bearing bracket (4) just presses described armature winding (6) and axial restraint, withhold on described shell (8) front port, be connected and fixed with screw.
4. the control system of a kind of arrangements for automotive doors according to claim 2, is characterized in that: described front retainer (5) top is rectangle, and it is distributed with 2 ~ 3 retainer bolts hole (26), is connected and fixed by bolt and vehicle body; Described front retainer (5) bottom is conical surface annular, the corresponding retainer groove (27) with the drive end bearing bracket conical surface (21) is provided with in retainer inner conical surface (25), the corresponding described drive end bearing bracket groove (20) of described retainer groove (27) is coaxially withheld in described drive end bearing bracket (4) outside, and leaves certain air gap between the two.
5. the control system of a kind of arrangements for automotive doors according to Claims 2 or 3, it is characterized in that: described motor (1) input connects power amplifier (36) output, described armature winding (6) external negative-feedback circuit (37), and described negative-feedback circuit (37) is the load circuit of described armature winding (6) simultaneously.
6. the control system of a kind of arrangements for automotive doors according to claim 3, it is characterized in that: described signal acquisition circuit (33) is made up of car door inside pressure sensor (15), door outside pressure sensor (14) and receiver of remote-control sytem (16), described car door inside pressure sensor (15), door outside pressure sensor (14) and receiver of remote-control sytem (16) compose in parallel signal comparator circuit (34).
7. the control system of a kind of arrangements for automotive doors according to claim 1, is characterized in that: the structure of described receiver of remote-control sytem (16) is remote control switch, connects with identical voltage direction with described car door inside pressure sensor (15); Connect with contrary voltage direction with described door outside pressure sensor (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259630.6A CN103362394B (en) | 2013-06-26 | 2013-06-26 | A kind of control system of arrangements for automotive doors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259630.6A CN103362394B (en) | 2013-06-26 | 2013-06-26 | A kind of control system of arrangements for automotive doors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103362394A CN103362394A (en) | 2013-10-23 |
| CN103362394B true CN103362394B (en) | 2015-12-09 |
Family
ID=49364581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310259630.6A Active CN103362394B (en) | 2013-06-26 | 2013-06-26 | A kind of control system of arrangements for automotive doors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103362394B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014203683A1 (en) * | 2014-02-28 | 2015-09-03 | BSH Hausgeräte GmbH | Home appliance with a door opening aid |
| CN104265094B (en) * | 2014-09-13 | 2017-04-12 | 闫彬 | Car door automatic locking device |
| CN108286387B (en) * | 2018-01-23 | 2020-08-04 | 浙江大华技术股份有限公司 | Method and device for preventing violent door opening |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4428441A1 (en) * | 1993-08-14 | 1995-02-16 | Gerd Schuesler | Eccentric drive having magnetic torque transmission |
| JP3547977B2 (en) * | 1998-02-27 | 2004-07-28 | 株式会社ナブコ | Remote monitoring system for automatic door systems |
| CN2752399Y (en) * | 2004-11-28 | 2006-01-18 | 冷亮 | Automatic controller for opening and closing door |
| CN201280052Y (en) * | 2008-08-29 | 2009-07-29 | 比亚迪股份有限公司 | Vehicle internal pressure control device |
| DE102008018628A1 (en) * | 2008-04-11 | 2009-10-22 | Geze Gmbh | Automatic door system |
| CN102434467A (en) * | 2011-11-09 | 2012-05-02 | 上海电机学院 | Speed changing magnetic pump |
| CN102832782A (en) * | 2012-08-01 | 2012-12-19 | 北京工业大学 | Moment generator based on electromagnetic effect |
-
2013
- 2013-06-26 CN CN201310259630.6A patent/CN103362394B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4428441A1 (en) * | 1993-08-14 | 1995-02-16 | Gerd Schuesler | Eccentric drive having magnetic torque transmission |
| JP3547977B2 (en) * | 1998-02-27 | 2004-07-28 | 株式会社ナブコ | Remote monitoring system for automatic door systems |
| CN2752399Y (en) * | 2004-11-28 | 2006-01-18 | 冷亮 | Automatic controller for opening and closing door |
| DE102008018628A1 (en) * | 2008-04-11 | 2009-10-22 | Geze Gmbh | Automatic door system |
| CN201280052Y (en) * | 2008-08-29 | 2009-07-29 | 比亚迪股份有限公司 | Vehicle internal pressure control device |
| CN102434467A (en) * | 2011-11-09 | 2012-05-02 | 上海电机学院 | Speed changing magnetic pump |
| CN102832782A (en) * | 2012-08-01 | 2012-12-19 | 北京工业大学 | Moment generator based on electromagnetic effect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103362394A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103362394B (en) | A kind of control system of arrangements for automotive doors | |
| US10135371B2 (en) | Door opening/closing device and door opening/closing method | |
| CN202557250U (en) | Air conditioner control device based on electric quantity sensing of battery | |
| CN103457523A (en) | Method for identifying parameters of brushless direct current motor | |
| CN107131245B (en) | Damping shock absorption control system | |
| CN109130884A (en) | A kind of E-Diff control system | |
| CN110081005B (en) | Large-scale axial fan with shaftless movable blades capable of being adjusted and locking blades synchronously | |
| CN203499422U (en) | Control device of automobile door | |
| CN107100528A (en) | A kind of Intelligent mobile curtain control method | |
| CN203340271U (en) | Noise/speed double-control intelligent environment-protection automobile horn | |
| CN206053673U (en) | Intelligent access door | |
| CN203984211U (en) | The brushless DC motor that a kind of position transducer is adjustable | |
| CN208045957U (en) | The protection against rodents plate washer that can be automatically reset | |
| CN103216171A (en) | Multi-functional window | |
| CN209410313U (en) | A kind of control device and marine electric propeller of marine electric propeller | |
| CN205955504U (en) | Intelligent window | |
| CN201653434U (en) | Throttle valve position sensor | |
| CN206539190U (en) | A kind of gating device of stopping sliding door | |
| CN202672067U (en) | Bidirectional intelligent barrier gate equipment | |
| CN216414109U (en) | Special motor for polarimeter | |
| CN214932486U (en) | TWS earphone receiver | |
| CN202257814U (en) | Passive automatic-energy-harvesting wireless door magnetic device | |
| CN205679983U (en) | Actuator | |
| CN205366073U (en) | Integrated into one piece unmanned aerial vehicle carbon fiber horn | |
| CN203377825U (en) | DC motor control apparatus with wireless remote control function |
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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200921 Address after: 201799 room 510-523, Lai Gang Road, Qingpu District, Shanghai, 510-523. Patentee after: Weimar Automobile Technology Group Co.,Ltd. Address before: Beijing road 241000 Anhui city of Wuhu province Jiujiang District of Anhui Engineering University Patentee before: ANHUI POLYTECHNIC University |
|
| TR01 | Transfer of patent right |