CN211504638U - Device for detecting keys - Google Patents
Device for detecting keys Download PDFInfo
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- CN211504638U CN211504638U CN202020106998.4U CN202020106998U CN211504638U CN 211504638 U CN211504638 U CN 211504638U CN 202020106998 U CN202020106998 U CN 202020106998U CN 211504638 U CN211504638 U CN 211504638U
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- 230000000694 effects Effects 0.000 description 1
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Abstract
The utility model relates to a button technical field discloses a device for detecting button, and it includes: a fixing plate; a sliding plate; the first driving piece is arranged on the fixed plate and can drive the sliding plate to slide along a first direction relative to the fixed plate; the first key hand is arranged on the sliding plate; and the detection component is arranged on the first key hand, and when the device for detecting the keys presses the keys along the second direction, the detection component is configured to stop continuously pressing the keys when the keys are pressed to the preset positions. The utility model discloses a device for detecting button detects speed and promotes greatly, degree of automation improves, the cost of labor is low.
Description
Technical Field
The utility model relates to a button technical field especially relates to a device for detecting button.
Background
After the notebook is assembled and subjected to aging test, the notebook needs to be subjected to trial opening operation, packaging and rechecking are carried out, manual key operation is carried out on the notebook according to rechecking requirements, and the notebook is low in automation, high in labor cost and low in productivity.
SUMMERY OF THE UTILITY MODEL
Based on the above, an object of the utility model is to provide a device for detecting button has solved the problem that the degree of automation that leads to because artifical the detection of prior art existence is low, the cost of labor is high and detection speed is slow.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an apparatus for detecting a key, comprising: a fixing plate; a sliding plate; the first driving piece is arranged on the fixed plate and can drive the sliding plate to move along a first direction relative to the fixed plate; the first key hand is arranged on the sliding plate; the detection assembly is arranged on the first key hand, and when the device for detecting the keys presses the keys along the second direction, the detection assembly is configured to stop continuously pressing the keys when the keys are pressed to the preset positions.
As a preferable scheme of the device for detecting a key, the detecting component includes a charging component, the charging component is disposed on the sliding plate and includes a first charging body and a second charging body, the first charging body and the second charging body are disposed at an interval, the second charging body is disposed on the first key, and when the device for detecting a key presses the key in the second direction, the first charging body can be electrically connected to the second charging body so that the device for detecting a key stops pressing the key continuously.
As a preferable scheme of the device for detecting a key, the device for detecting a key further includes a mounting base, the mounting base is connected to the sliding plate, the first charged body is disposed on the sliding plate, and the second charged body is disposed on the mounting base.
As a preferable aspect of the apparatus for detecting a key, the charging assembly further includes: the first guide post is arranged on the sliding plate, and the first charged body is arranged on the first guide post; the first elastic piece is sleeved on the first guide post, one end of the first elastic piece abuts against the sliding plate, and the other end of the first elastic piece abuts against the first charged body; the second guide post is slidably arranged on the mounting seat, the second electrified body is arranged at one end of the second guide post, and the first key hand is arranged at the other end of the second guide post; the second elastic piece is sleeved on the second guide post, one end of the second elastic piece abuts against the first key hand, and the other end of the second elastic piece abuts against the mounting seat.
As a preferable aspect of the apparatus for detecting a key, the apparatus for detecting a key further includes: the rack extends along the first direction and is fixedly connected to the sliding plate, and first meshing teeth are arranged on the rack; the gear is arranged at the output end of the first driving piece, second meshing teeth which correspond to the first meshing teeth are arranged on the gear, and the gear can drive the sliding plate to slide along the first direction when rotating.
As a preferable embodiment of the apparatus for detecting a key, the sliding plate is slidably coupled to the fixed plate, the apparatus further includes a guide rail extending in the first direction, and a slider, one of the sliding plate and the fixed plate is fixedly coupled to the guide rail, and the other is fixedly coupled to the slider, and the slider is slidably coupled to the guide rail.
As a preferred scheme of the device for detecting a key, the device for detecting a key further includes a first limiting part and a second limiting part, and the first limiting part and the second limiting part are respectively and fixedly connected to two ends of the guide rail.
As a preferable aspect of the apparatus for detecting a key, the apparatus for detecting a key further includes: the second driving piece is arranged on the fixing plate; the second key hand is arranged at the output end of the second driving piece, and the second driving piece can drive the second key hand to move along the second direction.
As a preferable scheme of the device for detecting a key, when the first driving member drives the first key hand to move along the first direction, the first key hand moves towards or away from the second key hand.
As a preferred scheme of the device for detecting the key, the second driving part comprises an air cylinder and a connecting shaft, one end of the connecting shaft is connected in the air cylinder in a sliding manner, and the other end of the connecting shaft is fixedly connected with the second key hand.
The utility model has the advantages that: the utility model discloses a device for detecting button is through locating first button hand on the sliding plate in order to realize the reciprocating sliding of first button hand on the first direction, so that first button hand is applicable to the button at different positions, the universal relevance nature of this device for detecting the button has been increased, detecting element can make this a device for detecting the button stop to continue to press the button when the button is pressed to preset position, thereby realize the detection to the button, the detection speed promotes greatly, degree of automation improves, and labor cost is saved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic view of an apparatus for detecting a key according to an embodiment of the present invention in a first direction;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic diagram of an apparatus for detecting a key according to an embodiment of the present invention in a second direction;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
fig. 5 is a schematic diagram of an apparatus for detecting a key according to an embodiment of the present invention in a third direction.
In the figure:
11. a fixing plate; 12. a sliding plate; 13. a guide rail; 14. a slider; 151. a first limit piece; 152. a second limiting member; 16. a mounting seat; 17. a rack seat;
21. a first driving member; 22. a first key hand; 23. a charging assembly; 2311. a first charged body; 2312. a first guide post; 2313. a first elastic member; 2314. a first connecting piece; 2321. a second charged body; 2322. a second guide post; 2323. a second elastic member; 2324. a second connecting sheet; 241. a rack; 242. a gear;
31. a second driving member; 311. a cylinder; 312. a connecting shaft; 32. a second key hand; 33. and a third elastic member.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a device for detecting keys, which is used for detecting the keys of a notebook. In other embodiments, the detection can be performed on a switch key or other keys, and the method can be applied to various occasions. As shown in fig. 1 to 5, the apparatus for detecting a key includes a fixed plate 11, a sliding plate 12, a first driving member 21, a first key pad 22, and a detecting member. The first driving member 21 is disposed on the fixed plate 11 and can drive the sliding plate 12 to move along a first direction relative to the fixed plate 11, the first button hand 22 is disposed on the sliding plate 12, the detecting member is disposed on the sliding plate 12 and connected to the first button hand 22, and when the device for detecting a button presses the button along a second direction, the detecting member is configured to stop pressing the button when the button is pressed to a predetermined position.
Specifically, the detecting component of the embodiment is a charging component 23, the charging component 23 is disposed on the sliding plate 12 and includes a first charging body 2311 and a second charging body 2321, the first charging body 2311 and the second charging body 2321 are disposed at an interval, the second charging body 2321 is disposed on the first key hand 22, and when the device for detecting a key presses the key along the second direction, the first charging body 2311 can be electrically connected to the second charging body 2321 so that the device for detecting a key stops pressing the key continuously. Of course, in other embodiments of the present invention, the detecting component can also be a pressure sensor, the pressure sensor is disposed at the lower end of the first button hand 22, and when the button is pressed to the preset position, the button is continuously pressed, the pressure of the first button hand 22 on the button increases suddenly, so that the device for detecting the button stops pressing the button continuously. Or in other embodiments, the detection component is a position sensor or other sensor, and the means for detecting a key stops continuing to press the key when the position sensor detects that the key is pressed to a predetermined position.
The device for detecting keys provided by the embodiment realizes the reciprocating movement of the first key hand 22 in the first direction by arranging the first key hand 22 on the sliding plate 12, so that the first key hand 22 is suitable for keys at different positions, the universal applicability of the device for detecting keys is increased, the charged component 23 can stop continuously pressing the keys when the first charged body 2311 is electrically connected with the second charged body 2321, the detection speed of the keys is greatly improved, the automation degree is improved, and the labor cost is saved.
As shown in fig. 1, the sliding plate 12 of the present embodiment is slidably connected to the fixed plate 11, the apparatus for detecting a key further includes a guide rail 13, a sliding block 14, a first limiting member 151 and a second limiting member 152, the guide rail 13 extends along a first direction and is fixedly connected to the sliding plate 12, the sliding block 14 is fixedly connected to the fixed plate 11, the sliding block 14 is slidably connected to the guide rail 13 to realize the sliding of the guide rail 13 relative to the sliding block 14 in the first direction, and the first limiting member 151 and the second limiting member 152 are respectively and fixedly connected to two ends of the guide rail 13 to prevent the sliding plate 12 from being separated from the fixed plate 11 to damage the apparatus for detecting a key. Of course, in other embodiments of the present invention, the guide rail 13 may be fixedly connected to the fixed plate 11, and the slider 14 may be fixedly connected to the sliding plate 12, so as to realize the sliding of the slider 14 relative to the guide rail 13 in the first direction.
As shown in fig. 2, the device for detecting a key of this embodiment further includes a rack 241, a gear 242 and a rack seat 17, the rack seat 17 is fixedly connected to the sliding plate 12, the rack 241 extends along a first direction and is fixedly connected to the rack seat 17, the rack 241 is provided with a first engaging tooth, the gear 242 is provided at an output end of the first driving member 21, the gear 242 is provided with a second engaging tooth corresponding to the first engaging tooth, and when the gear 242 rotates, the gear 242 can drive the sliding plate 12 to slide along the first direction. Specifically, the first driving element 21 of the present embodiment is a motor, the gear 242 is disposed on an output shaft of the motor, and the motor can drive the gear 242 to rotate in a forward direction or in a reverse direction to achieve the reciprocating sliding of the sliding plate 12 relative to the fixed plate 11 in the first direction, such a manner that the rack 241 and the gear 242 are matched can improve the movement precision of the sliding plate 12, reduce the sliding error of the first key hand 22, and enable the first key hand 22 to accurately press the key, thereby completing the detection of the key.
In other embodiments, the sliding plate 12 and the fixed plate 11 may be moved relative to each other without using the rack 241, the gear 242, and the rack holder 17, but using a ball screw to engage with each other, the sliding plate 12 is disposed on the ball screw, and the first driving member 21 drives the ball screw to drive the sliding plate 12 to move along the first direction, so as to move the sliding plate 12 and the fixed plate 11 relative to each other, which is specifically selected according to actual needs.
As shown in fig. 1 and fig. 3, the device for detecting a key of the present embodiment further includes a mounting base 16, the mounting base 16 is a U-shaped mounting base, the U-shaped mounting base is connected to the sliding plate 12, the first charging body 2311 is disposed below the sliding plate 12 and between the sliding plate 12 and the mounting base 16, and the second charging body 2321 is disposed on the mounting base 16.
Specifically, as shown in fig. 3 and 4, the charging assembly 23 of the present embodiment further includes a first guiding post 2312, a first elastic member 2313, a first connecting piece 2314, a second guiding post 2322, a second elastic member 2323 and a second connecting piece 2324, the first guiding post 2312 is disposed on the sliding plate 12, the first charging body 2311 is disposed on the first guiding post 2312, the first elastic member 2313 is sleeved on the first guiding post 2312, one end of the first elastic member 2313 abuts against the sliding plate 12, the other end abuts against the first charging body 2311, and the first connecting piece 2314 is sleeved on the first guiding post 2312 and is sandwiched between the first elastic member 2313 and the first charging body 2311. The second guiding post 2322 is slidably disposed on the mounting base 16, the second charged body 2321 is disposed at one end of the second guiding post 2322, the first button hand 22 is disposed at the other end of the second guiding post 2322, the second elastic member 2323 is sleeved on the second guiding post 2322, one end of the second elastic member 2323 abuts against the first button hand 22, and the other end abuts against the mounting base 16. The second connecting piece 2324 is sleeved on the second guiding column 2322 and clamped between the second elastic piece 2323 and the first strip body 2311, and the first connecting piece 2314 can be in contact with the second connecting piece 2324 so as to electrically connect the first strip body 2311 and the second strip body 2321.
Of course, in other embodiments of the present invention, if the detecting component does not include the charged component 23 of this embodiment, but includes other components, for example, includes a pressure sensor, a position sensor or other sensors, and this time, the detecting component may further include a clamp, at this time, the clamp is disposed on the first button hand 22, the pressure sensor, the position sensor or other sensors are clamped on the clamp, when the button is pressed to the predetermined position, the pressure sensor, the position sensor or other sensors detect the relevant signal, and then the device for detecting the button stops pressing the button continuously.
Preferably, the device for detecting a key of the present embodiment further includes a controller (not shown in the figure) and an actuator (not shown in the figure), an output end of the actuator is fixedly connected to the fixed plate 11, the controller is electrically connected to the first charged body 2311, the second charged body 2321 and the actuator respectively, when the first charged body 2311 and the second charged body 2321 are spaced apart, the controller can control the actuator to drive the fixed plate 11, the sliding plate 12 and the first key hand 22 to move in the second direction, and when the first charged body 2311 and the second charged body 2321 are contacted, the controller controls the actuator to stop driving the fixed plate 11, the sliding plate 12 and the first key hand 22 to move in the second direction. The controller may be a centralized or distributed controller, for example, the controller may be a single-chip microcomputer or may be formed by a plurality of distributed single-chip microcomputers, and a control program may be run in the single-chip microcomputers to control the fixed plate 11 and the sliding plate 12 to drive the first key hand 22 to move along the second direction.
In order to simultaneously detect two keys, for example, simultaneously detect shutdown combination keys Ctrl and Z of a computer keyboard, as shown in fig. 5, the device for detecting a key of this embodiment further includes a second driving element 31 and a second key hand 32, the second driving element 31 is disposed on the fixed plate 11 and electrically connected to the controller, the second key hand 32 is disposed at an output end of the second driving element 31, the second driving element 31 can drive the second key hand 32 to move along a second direction, and an end of the second key hand 32 is flush with an end of the first key hand 22 or is disposed at a high position and a low position therebetween. Of course, in other embodiments of the present invention, if only one key is detected at a time, the device for detecting keys may not be provided with the second driving member 31 and the second key hand 32, and the detection of keys can be realized only by the first key hand 22.
Since the heights of the two detected Ctrl and Z keys are the same, when the end of the second key hand 32 is flush with the end of the first key hand 22, the second key hand 32 can press the keys by controlling the movement of the fixing plate 11 along the second direction, and at this time, the second driving member 31 does not need to drive the second key hand 32 to move along the second direction. If the end of the second key hand 32 is higher than the end of the first key hand 22, the second driving member 31 drives the second key hand 32 to move towards the key until the end of the second key hand 32 is flush with the end of the first key hand 22; if the end of the second key hand 32 is lower than the end of the first key hand 22, the second driving member 31 drives the second key hand 32 to move away from the key until the end of the second key hand 32 is flush with the end of the first key hand 22. Meanwhile, the first driving member 21 drives the first key hand 22 to move along the first direction, so that the first key hand 22 moves towards the direction close to or away from the second key hand 32, the distance between the first key hand 22 and the second key hand 32 is adjusted, and finally the first key hand 22 and the second key hand 32 are respectively arranged opposite to the two keys. Of course, in other embodiments of the present invention, if two keys with different heights are detected, the height of the second key hand 32 is specifically adjusted according to actual needs, so that the first key hand 22 and the second key hand 32 respectively detect two different keys.
Further, as shown in fig. 5, the second driving member 31 includes a cylinder 311 and a connecting shaft 312, one end of the connecting shaft 312 is slidably connected in the cylinder 311, and the other end is fixedly connected with the second key hand 32. When two keys with the same height need to be detected simultaneously, the air cylinder 311 drives the second key hand 32 to move along the second direction so that the second key hand 32 is flush with the first key hand 22, and simultaneously the fixing plate 11 is pressed along the second direction, and the first key hand 22 and the second key hand 32 move along with the second key hand.
In order to prevent the occurrence of the phenomenon that the key or the second key hand 32 is damaged due to the over-large stroke of the cylinder 311, the connecting shaft 312 of the embodiment is provided with a third elastic member 33 at one end close to the second key hand 32, the third elastic member 33 is elastically connected with the second key hand 32, when the second key hand 32 presses the key to the lowest end along the second direction, the second key hand 32 still continues to press the key along the second direction, and the third elastic member 33 can be compressed, so that the probability that the second key hand 32 or the key is damaged due to pressing is reduced.
Of course, in other embodiments of the present invention, if three keys are detected simultaneously, the device for detecting keys further includes other structures besides the second driving element 31, the second key hand 32 and the controller of this embodiment, which are defined as a third key hand assembly including a third key hand, the third key hand assembly is electrically connected to the controller, and the adjustment of the position between the first key hand 22, the second key hand 32 and the third key hand is realized by adjusting the specific position of the third key hand on the third key hand assembly. Furthermore, the number of the third key hand assemblies can be one or at least two, and the third key hand assemblies are specifically arranged according to actual needs.
In other embodiments of the present invention, the device for detecting a key further includes a fourth driving element and a fourth key hand, the fourth driving element is electrically connected to the controller, the fourth key hand is disposed at an output end of the fourth driving element, and the fourth driving element can drive the fourth key hand to move along the second direction. The number of the fourth driving parts is one or more than two, the number of the fourth key hands is one or more than two, and the fourth driving parts and the fourth key hands are arranged in a one-to-one correspondence mode.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An apparatus for detecting a key, comprising:
a fixed plate (11);
a sliding plate (12);
a first driving member (21), wherein the first driving member (21) is arranged on the fixed plate (11), and the first driving member (21) can drive the sliding plate (12) to move along a first direction relative to the fixed plate (11);
a first key hand (22), the first key hand (22) being provided on the sliding plate (12);
the detection component is arranged on the first key hand (22), and when the key is pressed along the second direction by the device for detecting the key, the detection component is configured to stop continuously pressing the key by the device for detecting the key when the key is pressed to a preset position.
2. The device for detecting a key according to claim 1, wherein the detecting assembly comprises a charging assembly (23), the charging assembly (23) is disposed on the sliding plate (12) and comprises a first charging body (2311) and a second charging body (2321), the first charging body (2311) and the second charging body (2321) are disposed at intervals, the second charging body (2321) is disposed on the first key hand (22), and when the device for detecting a key presses the key in the second direction, the first charging body (2311) can be electrically connected with the second charging body (2321) so that the device for detecting a key stops pressing the key further.
3. The device for detecting a key according to claim 2, further comprising a mounting base (16), wherein the mounting base (16) is connected to the sliding plate (12), the first electrified body (2311) is disposed on the sliding plate (12), and the second electrified body (2321) is disposed on the mounting base (16).
4. A device for detecting keys according to claim 3, characterized in that said live assembly (23) further comprises:
a first guide post (2312), wherein the first guide post (2312) is arranged on the sliding plate (12), and the first charged body (2311) is arranged on the first guide post (2312);
the first elastic piece (2313), the first elastic piece (2313) is sleeved on the first guide column (2312), one end of the first elastic piece (2313) is abutted against the sliding plate (12), and the other end of the first elastic piece (2313) is abutted against the first charged body (2311);
the second guide post (2322), the second guide post (2322) is slidably arranged on the mounting seat (16), the second charged body (2321) is arranged at one end of the second guide post (2322), and the first key hand (22) is arranged at the other end of the second guide post (2322);
the second elastic piece (2323), the second elastic piece (2323) is sleeved on the second guide column (2322), one end of the second elastic piece (2323) is abutted against the first key hand (22), and the other end of the second elastic piece (2323) is abutted against the mounting seat (16).
5. The apparatus for detecting a key of claim 1, wherein the apparatus for detecting a key further comprises:
the rack (241) extends along the first direction and is fixedly connected to the sliding plate (12), and first meshing teeth are arranged on the rack (241);
the gear (242) is arranged at the output end of the first driving piece (21), second meshing teeth which correspond to the first meshing teeth are arranged on the gear (242), and when the gear (242) rotates, the gear (242) can drive the sliding plate (12) to slide along the first direction.
6. The device for detecting a key according to claim 1, wherein the sliding plate (12) is slidably coupled to the fixed plate (11), the device further comprising a guide rail (13) and a slider (14), the guide rail (13) extending in the first direction, one of the sliding plate (12) and the fixed plate (11) being fixedly coupled to the guide rail (13) and the other being fixedly coupled to the slider (14), the slider (14) being slidably coupled to the guide rail (13).
7. The device for detecting a key according to claim 6, further comprising a first limiting member (151) and a second limiting member (152), wherein the first limiting member (151) and the second limiting member (152) are respectively and fixedly connected to two ends of the guide rail (13).
8. The apparatus for detecting a key according to any one of claims 1 to 7, wherein the apparatus for detecting a key further comprises:
the second driving piece (31), the said second driving piece (31) locates on said dead plate (11);
the second key hand (32), the second key hand (32) is arranged at the output end of the second driving piece (31), and the second driving piece (31) can drive the second key hand (32) to move along the second direction.
9. Device for detecting a key according to claim 8, characterised in that the first key hand (22) is moved towards or away from the movement of the second key hand (32) when the first driver (21) drives the first key hand (22) to move in the first direction.
10. Device for detecting a key as claimed in claim 8, characterized in that said second actuating element (31) comprises a cylinder (311) and a connecting shaft (312), said connecting shaft (312) being slidably connected at one end in said cylinder (311) and being fixedly connected at the other end to said second key hand (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020106998.4U CN211504638U (en) | 2020-01-17 | 2020-01-17 | Device for detecting keys |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020106998.4U CN211504638U (en) | 2020-01-17 | 2020-01-17 | Device for detecting keys |
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| CN211504638U true CN211504638U (en) | 2020-09-15 |
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| CN202020106998.4U Active CN211504638U (en) | 2020-01-17 | 2020-01-17 | Device for detecting keys |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261210A (en) * | 2020-10-15 | 2021-01-22 | 湖南宽洋科技有限公司 | Switch detection control device of smart phone and control method thereof |
| CN114476564A (en) * | 2022-02-14 | 2022-05-13 | 苏州富强科技有限公司 | Fire extinguishing equipment |
-
2020
- 2020-01-17 CN CN202020106998.4U patent/CN211504638U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112261210A (en) * | 2020-10-15 | 2021-01-22 | 湖南宽洋科技有限公司 | Switch detection control device of smart phone and control method thereof |
| CN114476564A (en) * | 2022-02-14 | 2022-05-13 | 苏州富强科技有限公司 | Fire extinguishing equipment |
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