CN110847704B - Blade positioning mechanism and tooth pattern recognition device - Google Patents
Blade positioning mechanism and tooth pattern recognition device Download PDFInfo
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- CN110847704B CN110847704B CN201911147014.5A CN201911147014A CN110847704B CN 110847704 B CN110847704 B CN 110847704B CN 201911147014 A CN201911147014 A CN 201911147014A CN 110847704 B CN110847704 B CN 110847704B
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/0004—Lock assembling or manufacturing
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/14—Tumblers
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Abstract
The application provides a blade positioning mechanism and a tooth pattern recognition device, wherein the blade positioning mechanism comprises a blade, a displacement part and a displacement detection device, and the blade is provided with an inclined part; the displacement part is arranged on the inclined part of the blade along the vertical direction and is displaced along the vertical direction under the action of the inclined part of the blade; the displacement detection device is used for detecting the displacement of the displacement machine member along the vertical direction so as to position the position of the blade. This application blade positioning mechanism and tartar recognition device, through the position of location blade, the tartar on the discernment key, efficiency is higher, and the discernment result is comparatively accurate, reliable.
Description
Technical Field
The application relates to the technical field of locks, in particular to a blade positioning mechanism and a tooth pattern recognition device.
Background
The lock is an appliance for sealing, and comprises a lock, a key and related accessories. At present, although the locks on the market are various, most locks can be opened only by a mechanical key or a mechanical key matched with the mechanical key.
Mechanical key tartar identification is an important process in the lock assembly, and the efficiency of the lock assembly is directly influenced. The existing mechanical key tooth identification generally adopts a manual identification method, but the manual identification method has low efficiency and is not accurate and reliable enough.
Disclosure of Invention
An object of the embodiment of the application is to provide a blade positioning mechanism and tartar recognition device, through the position of location blade, the tartar on the discernment key, efficiency is higher, and the discernment result is comparatively accurate, reliable.
In a first aspect, an embodiment of the present application provides a vane positioning mechanism, which includes a vane, a displacement mechanism, and a displacement detection device,
the blade is provided with an inclined part;
the displacement part is arranged on the inclined part of the blade along the vertical direction and is displaced along the vertical direction under the action of the inclined part of the blade;
the displacement detection device is used for detecting the displacement of the displacement machine member along the vertical direction so as to position the position of the blade.
In the above-mentioned realization in-process, be equipped with the rake on the blade, the user's accessible inserts the key and drives the blade and remove, the removal of blade converts the displacement of aversion parts in vertical direction through the rake on the blade, the displacement detection device is through detecting the displacement that the aversion parts took place along vertical direction, with the position of location blade, the blade positioning mechanism of this application embodiment is through the position of location blade, the tartar of corresponding this blade positioning mechanism on the discernment key, this kind of mode efficiency is higher, and the recognition result is comparatively accurate, reliable.
Further, the shifting mechanism comprises a ball and a shifting column,
the ball is arranged on the inclined part of the blade and is displaced along the vertical direction under the action of the inclined part of the blade;
the displacement column is arranged on the ball in the vertical direction and is displaced in the vertical direction under the action of the ball.
In the implementation process, the ball is arranged on the inclined part of the blade, the shifting column is arranged on the ball along the vertical direction, when the blade moves, the ball shifts along the vertical direction, and then the shifting column is driven to shift along the vertical direction, the shifting part is simple in structure, convenient to set, high in applicability, suitable for the inclined parts with different inclination angles, and capable of well achieving the purpose that the shifting column shifts along the vertical direction under the action of the inclined part of the blade.
Furthermore, the displacement column is a long-strip-shaped cylinder.
In the above implementation process, the shape of the displacement column corresponds to that of the ball, so that the displacement column and the ball are conveniently arranged in the vertical direction.
Further, the ball and the displacement column are arranged in a binding piece arranged along the vertical direction, and the binding piece is arranged on the inclined part of the blade along the vertical direction;
the displacement detection device is arranged on the binding piece.
In the implementation process, the ball and the shifting column are arranged on the inclined part of the blade through the binding piece arranged along the vertical direction, the binding piece can play a role in well binding and limiting the ball and the shifting column, the structure of the ball and the shifting column is stabilized, and the shifting column is enabled to shift along the vertical direction.
Furthermore, at least one through hole arranged along the transverse direction is formed in the displacement column;
the displacement detection device is at least one infrared sensor, and the number of the infrared sensors is more than or equal to that of the through holes on the displacement column;
and the infrared sensor detects the displacement of the displacement column along the vertical direction through the through hole of the displacement column.
In the implementation process, the displacement column is provided with a through hole arranged along the transverse direction, the displacement detection device is an infrared sensor, when the infrared sensor faces the through hole of the displacement column, the infrared ray of the infrared sensor can penetrate through the through hole of the displacement column to output a signal, and the output signal is used for identifying the tooth flower; when infrared sensor is facing to other positions of shifting post, infrared sensor can be sheltered from, does not output signal, and infrared sensor detects the displacement that the shifting post took place along vertical direction through the through-hole of shifting post, fixes a position the position of blade, the tartar on the discernment key.
Further, the top of the blade is provided with a protrusion having the inclined portion.
In the implementation process, the inclined part on the blade is positioned on the protruding part at the top of the blade, and the inclined part is arranged reasonably and scientifically, so that the blade is convenient to produce and manufacture.
Further, the included angle between the inclined part and the plane of the top of the blade ranges from 60 degrees to 75 degrees.
In the implementation process, the inclination angle of the inclined part on the blade can enlarge the moving distance of the blade by 2-3 times, namely, the displacement of the displacement machine part along the vertical direction is 2-3 times of the moving distance of the blade, the displacement of the displacement machine part along the vertical direction cannot be too small or too large, and the displacement detection device is very convenient to detect.
Further, a lower convex part is arranged in the middle of the blade and used for being matched with the structure of the key.
In the above implementation, the lower projection of the blade is adapted to cooperate with the structure of the key, and the movement of the blade is implemented by the lower projection of the blade when the key is inserted.
Further, the blade positioning mechanism further comprises a return spring, and one end of the return spring is connected with one side of the blade.
In the implementation process, the return spring can reset the blade, and after the blade moves, the blade can directly return to the original position under the action of the return spring.
In a second aspect, embodiments of the present application provide a tooth recognition device, including the above-mentioned blade positioning mechanism.
In the implementation process, the tooth identifying device of the embodiment of the application applies the blade positioning mechanism, and identifies the tooth corresponding to the blade positioning mechanism on the key through the position of the positioning blade, so that the mode has high efficiency and the identifying result is accurate and reliable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a first schematic structural view of a vane positioning mechanism provided in an embodiment of the present application;
FIG. 2 is a first structural schematic view of a blade positioning mechanism and key provided in accordance with an embodiment of the present application;
FIG. 3 is a second structural schematic view of a blade positioning mechanism and a key according to an embodiment of the present disclosure;
FIG. 4 is a third structural schematic view of a blade positioning mechanism and a key according to an embodiment of the present disclosure;
fig. 5 is a second structural schematic diagram of the vane positioning mechanism provided in the embodiment of the present application.
Icon: 11-a blade; 111-top; 112-a protrusion; 112 a-an inclined portion; 12-a displacement organ; 121-a ball bearing; 122-a displacement column; 122 a-a via; 13-a displacement detection device; 131-connecting lines; 14-a binder; 15-a return spring; 20-key.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
Example one
Referring to fig. 1 and fig. 2, fig. 1 is a first structural schematic diagram of a blade positioning mechanism provided in an embodiment of the present application, and fig. 2 is a first structural schematic diagram of a blade positioning mechanism and a key 20 provided in an embodiment of the present application.
The vane positioning mechanism of the embodiment of the application comprises a vane 11, a displacement member 12 and a displacement detection device 13,
the blade 11 is provided with an inclined part 112 a;
the displacement work 12 is provided on the inclined portion 112a of the blade 11 in the vertical direction and is displaced in the vertical direction by the inclined portion 112a of the blade 11;
the displacement detecting means 13 is for detecting a displacement of the displacement mechanism 12 in the vertical direction to position the vane 11.
Referring to fig. 2, in the present embodiment, the blade 11 is provided at the middle thereof with a lower protrusion for corresponding to the structure of the key 20.
The lower projection of the blade 11 is adapted to cooperate with the structure of the key 20, and the movement of the blade 11 is effected by the lower projection of the blade 11 when the key 20 is inserted.
It should be noted that the lower protrusion is merely for illustrative purposes and does not serve any practical limiting purpose.
The blade positioning mechanism of this application embodiment, be equipped with rake 112a on the blade 11, the user's accessible inserts key 20 and drives blade 11 and move, the removal of blade 11 converts the displacement of aversion parts 12 on the vertical direction into through rake 112a on the blade 11, displacement detection device 13 is through detecting the displacement that aversion parts 12 took place along the vertical direction, with the position of location blade 11, the blade positioning mechanism of this application embodiment is through the position of location blade 11, the tartar that corresponds this blade positioning mechanism on the discernment key 20, this kind of mode efficiency is higher, and the recognition result is comparatively accurate, reliable.
Referring to fig. 1, in the present embodiment, the tip 111 of the blade 11 is provided with a protrusion 112, and the protrusion 112 has an inclined portion 112 a.
Specifically, the cross section of the protruding portion 112 is a right trapezoid, and the protruding portion 112 of the blade 11 and the rest of the blade 11 are integrally formed.
The inclined part 112a on the blade 11 is positioned on the protruding part 112 of the top part 111 of the blade 11, and the arrangement position of the inclined part 112a is reasonable and scientific, so that the production and the manufacture of the blade 11 are facilitated.
It should be noted that in other embodiments, the inclined portion 112a of the blade 11 may be disposed in other manners, for example, the top portion 111 of the blade 11 may be disposed with a concave portion, and the concave portion may form the inclined portion 112a of the blade 11.
The angle between the inclined portion 112a of the blade 11 and the plane of the top portion 111 of the blade 11 is in the range of 60 ° to 75 °.
In the present embodiment, the tip 111 of the blade 11 is flat.
The inclination angle of the inclined part 112a on the blade 11 can enlarge the moving distance of the blade 11 by 2-3 times, that is, the displacement of the displacement machine 12 along the vertical direction is 2-3 times of the moving distance of the blade 11, and the displacement of the displacement machine 12 along the vertical direction is not too small or too large, so that the detection of the displacement detection device 13 is very convenient.
In other embodiments, the inclination angle of the inclined portion 112a of the blade 11 is not limited to 60 ° to 75 °, and 60 ° to 75 ° is only a range of relatively suitable inclination angles.
Referring to fig. 1 to 4, fig. 3 is a second structural schematic diagram of the blade positioning mechanism and the key 20 provided in the embodiment of the present application, and fig. 4 is a third structural schematic diagram of the blade positioning mechanism and the key 20 provided in the embodiment of the present application.
In the present embodiment, the shifting mechanism 12 includes a ball 121 and a shifting post 122,
the ball 121 is provided on the inclined portion 112a of the blade 11 and is displaced in the vertical direction by the inclined portion 112a of the blade 11;
the displacement column 122 is provided on the ball 121 in the vertical direction and is displaced in the vertical direction by the ball 121.
Specifically, when the blade 11 is not moved, the ball 121 is in the position shown in fig. 1, and the ball 121 rests at the bottom end position of the inclined portion 112a of the blade 11. As the blade 11 moves, the balls 121 gradually displace in the vertical direction to the position shown in fig. 2 to 4.
The ball 121 sets up on the rake 112a of blade 11, the post 122 that shifts sets up on ball 121 along vertical direction, when blade 11 removed, ball 121 shifted along vertical direction, and then drive the post 122 that shifts along vertical direction, should shift parts 12 simple structure, the setting of being convenient for, the suitability is strong, can be applicable to the rake 112a of different inclination, and realized well that it shifts along vertical direction under the effect of the rake 112a of blade 11.
Alternatively, the displacement post 122 is an elongated cylinder. The shape of the displacement column 122 corresponds to the shape of the ball 121, facilitating its arrangement in the vertical direction with the ball 121.
Optionally, the displacement post 122 is plastic. The shifting post 122 made of plastic has low manufacturing cost and is practical.
It should be noted that, in other embodiments, the shifting mechanism 12 may have other structures, for example, the shifting mechanism 12 may include a slider and a shifting column 122, a bottom of the slider is inclined, an inclination angle of the bottom of the slider corresponds to an inclination angle of the inclined portion 112a of the blade 11, the slider is disposed on the inclined portion 112a of the blade 11 and slides along the inclined portion 112a of the blade 11 under the action of the inclined portion 112a of the blade 11; the displacement column 122 is disposed on the slider in the vertical direction and is displaced in the vertical direction by the slider. Besides, the shifting organ 12 may also be a spool, the bottom of which is inclined at an angle corresponding to the angle of inclination of the inclined portion 112a of the blade 11, the spool being arranged on the inclined portion 112a of the blade 11 in the vertical direction and being shifted in the vertical direction by the inclined portion 112a of the blade 11. Here, the displacement mechanism 12 of another structure is not illustrated.
In the present embodiment, the balls 121 and the displacement columns 122 are disposed in a binding piece 14 disposed along the vertical direction, and the binding piece 14 is disposed on the inclined portion 112a of the blade 11 along the vertical direction;
the displacement detecting device 13 is provided on the binder 14.
Optionally, the restraint 14 is a sleeve, and the restraint 14 is sized and shaped to accommodate the ball 121 and the displacement post 122.
The ball 121 and the displacement column 122 are arranged on the inclined part 112a of the blade 11 through the binding piece 14 arranged along the vertical direction, the binding piece 14 can well bind and limit the ball 121 and the displacement column 122, the structure of the ball 121 and the displacement column 122 is stabilized, and the displacement of the displacement column 122 along the vertical direction is guaranteed.
Referring to fig. 2 to 4, in the present embodiment, at least one through hole 122a is formed in the displacement column 122 in the transverse direction;
the displacement detecting device 13 is at least one infrared sensor, and the number of the infrared sensors is more than or equal to the number of the through holes 122a on the displacement column 122;
the infrared sensor detects the displacement of the displacement column 122 in the vertical direction through the through hole 122a of the displacement column 122.
Specifically, in fig. 2 to 4, the number of the through holes 122a of the displacement column 122 is three, and the number of the infrared sensors is three.
When the infrared sensor is opposite to the through hole 122a of the displacement column 122, the infrared ray of the infrared sensor can pass through the through hole 122a of the displacement column 122, and a signal is output, and the output signal is used for identifying the tooth flower; when the infrared sensor faces other parts of the displacement column 122, the infrared sensor is shielded and does not output signals, the infrared sensor detects the displacement of the displacement column 122 along the vertical direction through the through hole 122a of the displacement column 122, positions the blade, and identifies the tooth pattern of the key 20 corresponding to the blade positioning mechanism.
For example, referring to fig. 2 to 4, when the infrared rays of the three bottom-up infrared sensors can pass through the corresponding through holes 122a of the shift post 122, the corresponding infrared sensors normally operate, and the infrared sensors normally operate to output signals, specifically, in fig. 2, the infrared ray of the lowest infrared sensor can pass through the through hole 122a of the shift post 122, that is, the lowest infrared sensor normally operates, which indicates that the tooth form of the tooth on the key 20 is tooth form one; in fig. 3, the infrared ray of the middle infrared sensor can pass through the through hole 122a of the shifting post 122, i.e. the middle infrared sensor works normally, which can illustrate that the tooth shape of the tooth on the key 20 is tooth shape two; in fig. 4, the infrared ray of the uppermost infrared sensor can pass through the through hole 122a of the displacement column 122, i.e., the uppermost infrared sensor works normally, which can be illustrated that the tooth shape of the tooth on the key 20 is tooth shape three.
It should be noted that, in other embodiments, the displacement detection device 13 may also have other structures, for example, the displacement detection device 13 may also be a laser, and the setting and implementation principle of the laser may refer to the content of the infrared sensor, which is not described herein again; besides, the displacement detecting device 13 may be a position switch, a potentiometer, etc., and the setting of the position switch and the potentiometer is adaptively adjusted according to the manner of detecting the displacement of the displacement member 12, which will not be described herein again.
Referring to fig. 5, fig. 5 is a second structural schematic diagram of the vane positioning mechanism provided in the embodiment of the present application.
In the present embodiment, the vane positioning mechanism further includes a return spring 15, and one end of the return spring 15 is connected to one side portion of the vane 11.
The return spring 15 can act as a return for the blade 11, and after the blade 11 moves, the blade 11 can directly return to the original position under the action of the return spring 15.
It should be noted that in other embodiments, the blade 11 can be returned to the original position directly or by other means under the action of the key 20.
Example two
Referring to fig. 1 and 2, the tooth recognition device according to the embodiment of the present application includes the blade positioning mechanism according to the first embodiment.
The contents of the blade positioning mechanism in the embodiment of the present application may refer to the specific contents of the first embodiment, and are not described herein again.
The tooth flower recognition device of the embodiment of the application adopts the blade positioning mechanism of the first embodiment, and the tooth flower of the blade positioning mechanism corresponding to the key 20 is recognized through the position of the positioning blade 11, so that the mode is high in efficiency, and the recognition result is accurate and reliable.
In all the above embodiments, the terms "large" and "small" are relative terms, and the terms "more" and "less" are relative terms, and the terms "upper" and "lower" are relative terms, so that the description of these relative terms is not repeated herein.
It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in the examples of the present application," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.
In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A vane positioning mechanism is characterized by comprising a vane, a displacement machine member and a displacement detection device,
the blade is provided with an inclined part;
the displacement part is arranged on the inclined part of the blade along the vertical direction and is displaced along the vertical direction under the action of the inclined part of the blade;
the displacement detection device is used for detecting the displacement of the displacement machine member along the vertical direction so as to position the position of the blade.
2. The vane positioning mechanism of claim 1 wherein the displacement mechanism comprises a ball and a displacement post,
the ball is arranged on the inclined part of the blade and is displaced along the vertical direction under the action of the inclined part of the blade;
the displacement column is arranged on the ball in the vertical direction and is displaced in the vertical direction under the action of the ball.
3. The vane positioning mechanism of claim 2 wherein said displacement post is an elongated cylinder.
4. The blade positioning mechanism of claim 2, wherein the ball and the displacement post are disposed in a vertically disposed tie down disposed vertically on the angled portion of the blade;
the displacement detection device is arranged on the binding piece.
5. The vane positioning mechanism of claim 4, wherein the displacement post is provided with at least one through hole arranged in a transverse direction;
the displacement detection device is at least one infrared sensor, and the number of the infrared sensors is more than or equal to that of the through holes on the displacement column;
and the infrared sensor detects the displacement of the displacement column along the vertical direction through the through hole of the displacement column.
6. The vane positioning mechanism of claim 1 wherein the top of the vane is provided with a protrusion having the inclined portion.
7. A vane positioning mechanism as claimed in claim 6 wherein the angle between the inclined portion and the plane of the top of the vane is in the range 60 ° to 75 °.
8. The blade positioning mechanism of claim 1, wherein the blade has a lower protrusion in the middle for mating with a key structure.
9. The vane positioning mechanism of claim 1 further comprising a return spring having one end connected to a side of the vane.
10. A tooth recognition device comprising the blade positioning mechanism according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911147014.5A CN110847704B (en) | 2019-11-20 | 2019-11-20 | Blade positioning mechanism and tooth pattern recognition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911147014.5A CN110847704B (en) | 2019-11-20 | 2019-11-20 | Blade positioning mechanism and tooth pattern recognition device |
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| Publication Number | Publication Date |
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| CN110847704A CN110847704A (en) | 2020-02-28 |
| CN110847704B true CN110847704B (en) | 2021-03-12 |
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| CN201911147014.5A Active CN110847704B (en) | 2019-11-20 | 2019-11-20 | Blade positioning mechanism and tooth pattern recognition device |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU502200A1 (en) * | 1974-01-17 | 1976-02-05 | Предприятие П/Я Г-4967 | Key profile control device |
| JPS6245873A (en) * | 1985-08-20 | 1987-02-27 | 株式会社東海理化電機製作所 | Machine and method for inserting lock plate of key cylinder |
| CN102322777B (en) * | 2011-06-09 | 2013-02-06 | 王纯贤 | Universal dentiform height conversion device for carrying out identification on auto dentiform key codes |
| CN204212542U (en) * | 2014-10-20 | 2015-03-18 | 陈卫国 | The vision system of lockset processing unit (plant) |
| CN206726244U (en) * | 2017-03-17 | 2017-12-08 | 饶勇平 | Key tooth flower intelligent identification device |
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Effective date of registration: 20230310 Address after: 519085 No. 68, Jinhong 7th Road, High-tech Zone, Zhuhai City, Guangdong Province Patentee after: ZHUHAI UNITECH POWER TECHNOLOGY Co.,Ltd. Address before: E301-17, building 1, No.1, hagongda Road, Tangjiawan Town, Zhuhai City, Guangdong Province 519000 Patentee before: ZHUHAI UTAIOT TECHNOLOGY Co.,Ltd. |
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