CN114295972A - Key stroke detection device - Google Patents
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- CN114295972A CN114295972A CN202111649188.9A CN202111649188A CN114295972A CN 114295972 A CN114295972 A CN 114295972A CN 202111649188 A CN202111649188 A CN 202111649188A CN 114295972 A CN114295972 A CN 114295972A
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Abstract
The invention provides a key stroke detection device, and relates to the technical field of intelligent wearable device detection. The key stroke detection device comprises an inner conductive piece, a power supply module, an indicating device and an outer conductive fixing ring, wherein the inner conductive piece is sleeved in the outer conductive fixing ring and is fixedly connected with the outer conductive fixing ring, the outer conductive fixing ring is in insulation fit with the inner conductive piece, the outer conductive fixing ring is used for fixing the installation ring, the conductive contact part of the installation ring is in electrical contact with the outer conductive fixing ring, a communication port corresponding to the key of the installation ring is arranged on the outer wall of the outer conductive fixing ring, each communication port is used for enabling the conductive trigger part of the key to stretch into when the corresponding key is pressed, and the inner conductive piece is used for being in electrical contact with the conductive trigger part of the key which moves a preset stroke when the corresponding key is pressed. The key stroke detection device provided by the invention can be used for quickly and accurately detecting the key stroke on the side wall of the mounting ring before the intelligent equipment main body is assembled on the mounting ring.
Description
Technical Field
The invention relates to the technical field of intelligent wearable equipment detection, in particular to a key stroke detection device.
Background
In intelligent wearing equipment such as intelligent wrist-watch, intelligent bracelet, intelligent head hoop, often include the smart machine main part and be used for assembling the collar of smart machine main part, be equipped with on the collar and wear, the smart machine main part assembles in the collar.
For some intelligent wearable devices, the intelligent device body assembled in the mounting ring can be controlled by the keys arranged on the side wall of the mounting ring. The inner wall of the mounting ring of the intelligent wearable device is provided with a conductive contact part corresponding to the contact matching part on the intelligent device main body, the conductive contact part is electrically connected with the conductive trigger part of the key on the mounting ring, and after the intelligent device main body is assembled in the mounting ring, the conductive contact part is electrically contacted with the corresponding contact matching part. When the intelligent device main body needs to be controlled, the corresponding key is pressed, and the conductive trigger part of the key is in electric contact with the corresponding key matching part on the intelligent device main body, so that a corresponding control signal is generated.
The stroke of the key when being pressed determines whether the conductive trigger part of the key can be electrically contacted with the corresponding key matching part on the intelligent equipment main body, and further determines whether a control signal can be generated. Therefore, when the intelligent wearable device is produced, the stroke of the key needs to be detected. In the related art, the travel of the key is detected by assembling the intelligent device main body into the mounting ring and then pressing the key to enable the key to touch and press the intelligent device main body.
However, if after the smart machine main part assembles the collar, the stroke of the button on the collar is not enough again, then need dismantle smart machine main part and the collar assembled to change the collar, then assemble again, so, can increase the time of production intelligence wearing equipment.
Disclosure of Invention
The invention aims to provide a key stroke detection device to solve the problem that in the prior art, the key stroke can be detected only after an intelligent device main body is assembled.
The invention provides a key stroke detection device, which comprises: outer conductive fixed ring, interior conductive piece, power module and indicating device.
The inner conductive piece, the power supply module, the indicating device and the outer conductive fixing ring are connected in series to form a detection loop.
The inner conductive piece is sleeved in the outer conductive fixing ring and is fixedly connected with the outer conductive fixing ring, and the outer conductive fixing ring is in insulation fit with the inner conductive piece.
The outer conductive fixing ring is used for fixing the mounting ring of the intelligent wearable device sleeved on the outer side of the outer conductive fixing ring, and the conductive contact part on the mounting ring is in electrical contact with the outer conductive fixing ring.
The outer wall of the outer conductive fixing ring is provided with communicating ports in one-to-one correspondence with the keys on the mounting ring, each communicating port is communicated with the inner cavity of the outer conductive fixing ring, and each communicating port is used for enabling the conductive trigger part of each key to stretch into when the corresponding key is pressed.
The inner conductive piece is used for being in electric contact with the conductive trigger part of the key which moves a preset stroke when being pressed, so that the detection loop is communicated.
The side wall of the mounting ring is provided with one or more keys, and the conductive contact part of each key is electrically connected with the conductive trigger part.
Optionally, the outer conductive retaining ring includes axially opposed first and second ends thereof.
Every intercommunication mouth all locates second end department, and every intercommunication mouth all runs through the second end along outer solid fixed ring's of leading electrically.
Optionally, the inner conductive piece includes a conductive main body portion, the conductive main body portion is fastened to the outer conductive fixing ring, the conductive main body portion is provided with conductive contact bumps corresponding to the communication ports one to one, each conductive contact bump is electrically connected with the conductive main body portion, each conductive contact bump extends into the corresponding communication port, and each conductive contact bump is electrically connected with the conductive trigger portion of the corresponding key when the corresponding key is pressed and moved by a preset stroke.
Optionally, each conductive contact bump is mounted on the conductive main body portion through a one-to-one corresponding position adjustment mechanism, and each position adjustment mechanism is used for adjusting the position of the corresponding conductive contact bump, so as to adjust the distance between the outer side surface of each conductive contact bump and the outer end of the corresponding communication port.
Optionally, the sidewall of the conductive main body portion is provided with first mounting grooves corresponding to the conductive contact bumps one to one, each conductive contact bump is in sliding fit with the corresponding first mounting groove, and each conductive contact bump can slide in a direction close to the outer end of the corresponding communication port and in a direction away from the outer end of the corresponding communication port.
The central position of the outer side surface of each conductive contact lug is provided with a connecting through hole extending along the sliding direction of the conductive contact lug, and the inner wall of each first mounting groove is provided with a first threaded hole which is opposite to the connecting through hole on the conductive contact lug corresponding to the first mounting groove.
Each position adjusting mechanism comprises a limiting conductive bolt and a compression spring, a screw rod of each limiting conductive bolt penetrates through the connecting through hole of the corresponding conductive contact lug from the outer side surface of the corresponding conductive contact lug and then is in threaded connection with the first threaded hole of the corresponding first mounting groove, the screw head of each limiting conductive bolt is used for being abutted against the outer side surface of the corresponding conductive contact lug, and each conductive contact lug is electrically connected with the conductive main body through the corresponding limiting conductive bolt.
Every compression spring all locates in its first mounting groove that corresponds, and every compression spring's both ends all extend along its conductive contact lug's that corresponds slip direction, and every compression spring's both ends are equallyd divide respectively rather than the medial surface of the conductive contact lug who corresponds and the inner wall butt of first mounting groove.
Optionally, the key stroke detection device further comprises a base, the outer conductive fixing ring comprises a first section and a second section which are sequentially and fixedly connected from a first end to a second end, the first section and the second section are coaxially arranged, the size of an inner ring of the first section is smaller than that of an inner ring of the second section, and the inner side wall of the first section and the inner side wall of the second section are in transition through a first step surface vertical to the first step surface.
The inner conductive piece is of a cylindrical structure coaxial with the outer conductive fixing ring, the inner conductive piece comprises a third section and a fourth section which are sequentially and fixedly connected along the axial direction of the inner conductive piece, the third section and the fourth section are coaxially arranged, the size of the cross section of the third section is smaller than that of the cross section of the fourth section, and the outer side wall of the third section and the outer side wall of the fourth section are in transition through a second step surface perpendicular to the third section and the fourth section.
The third section is sleeved in the first section and is arranged at an interval with the first section, the end part of the third section, which is far away from the fourth section, is fixedly connected with the base, the end part of the third section, which is connected with the fourth section, extends into the inner cavity of the second section, the fourth section is sleeved in the second section and is arranged at an interval with the second section, the first end is abutted against the surface of the base, and the second step surface is abutted against the first step surface through an insulating gasket and compresses and fixes the first section and the base.
Optionally, an insulating positioning sleeve is arranged between the first section and the third section, an outer wall of the insulating positioning sleeve is attached to an inner wall of the first section, and an inner wall of the insulating positioning sleeve is attached to an outer wall of the third section.
Optionally, an insulating positioning sleeve is arranged between the second section and the fourth section, the outer wall of the insulating positioning sleeve is attached to the inner wall of the second section, and the inner wall of the insulating positioning sleeve is attached to the outer wall of the fourth section.
Optionally, the insulating positioning sleeve and the insulating washer are of an integrated structure.
Optionally, the base is made of an insulating material, a mounting cavity is formed in the base, and the power module and the indicating device are electrically connected in the mounting cavity.
The first section and the second section are both circular rings, the third section and the fourth section are both cylindrical structures, the surface of the base is fixedly connected with a conductive stud, one end of the conductive stud is in threaded connection with the end part of the third section in the first section, the third section is electrically connected with the conductive stud, the other end of the conductive stud is connected into a detection loop in the installation cavity, and the conductive stud and the first section are arranged at intervals.
Optionally, a conducting rod is arranged in the base, one end of the conducting rod penetrates out of the surface of the base and is used for being in electrical contact with the first end, the other end of the conducting rod is connected into the detection loop in the installation cavity, and the conducting rod, the third section and the conducting stud are arranged at intervals.
Optionally, the surface of the base is fixedly connected with an inner conductive ring piece opposite to the end of the third section far away from the fourth section and an outer conductive ring piece opposite to the first end, the inner conductive ring piece and the outer conductive ring piece are arranged at intervals, the inner conductive ring piece is sleeved outside the conductive stud and is electrically connected with the conductive stud through an inner wall in contact with the conductive stud, one end of the conductive rod, which penetrates out of the surface of the base, is electrically connected with the outer conductive ring piece, the first end is used for abutting against the end surface of the outer conductive ring piece so as to enable the outer conductive fixing ring to be electrically contacted with the outer conductive ring piece, and the third end is used for abutting against the end surface of the inner conductive ring piece so as to enable the inner conductive piece to be electrically contacted with the inner conductive ring piece.
According to the key stroke detection device provided by the invention, before an intelligent device main body of intelligent wearable equipment is assembled in the mounting ring, the mounting ring can be fixed on the outer conductive fixing ring, the conductive contact part on the mounting ring is in electrical contact with the outer conductive fixing ring, a key on the mounting ring to be detected is pressed, so that the conductive trigger part of the pressed key moves inwards through the corresponding communication port on the outer conductive fixing ring, when the moving stroke of the pressed key reaches a preset stroke, the conductive trigger part of the pressed key is in electrical contact with the inner conductive part, a detection loop is communicated, an indicating device works, and the moving stroke of the pressed key is prompted to meet the requirement. When the moving stroke of the pressed key is insufficient, the conductive trigger part of the pressed key cannot be in electrical contact with the inner conductive piece, the detection loop is in an off state, the indicating device does not work, and the requirement that the moving stroke of the pressed key cannot meet is prompted. Therefore, whether the stroke of the key on the side wall of the mounting ring meets the requirement or not can be detected quickly and accurately. When producing intelligent wearing equipment, can with the leading before assembling the smart machine main part of the key stroke detection step of collar, can directly select the collar that the key stroke satisfies the demand earlier, make the collar that the key stroke satisfies the demand assemble with the smart machine main part again, after the stroke of the button of discovery collar is not enough, need not dismantle the smart machine main part that has assembled again, can improve the efficiency of production intelligent wearing equipment, and can not lead to the fact the influence to the smart machine main part to the detection of collar key stroke.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a detection circuit of an embodiment of a key stroke detection device according to the present invention;
fig. 2 is a schematic structural diagram of a key stroke detection device according to an embodiment of the present invention at a first viewing angle;
fig. 3 is a schematic structural diagram of a key stroke detection device according to an embodiment of the present invention at a second viewing angle;
FIG. 4 is a cross-sectional view taken along the line A-A in FIG. 3;
FIG. 5 is a schematic view of an outer conductive ring of an embodiment of a key stroke detecting device according to the present invention;
fig. 6 is a schematic view of an insulating washer and an insulating positioning sleeve of an embodiment of the key stroke detection device according to the present invention mounted on an inner conductive member;
fig. 7 is a schematic diagram of a base and an indicating device, an outer conductive ring plate, an inner conductive ring plate and a conductive stud assembled thereon according to an embodiment of the key stroke detecting device of the present invention;
fig. 8 is a schematic view illustrating a conductive contact bump of an embodiment of a key stroke detection device according to the present invention mounted on an inner conductive member through a position adjustment mechanism.
Description of reference numerals:
100. an outer conductive retaining ring; 110. a communication port; 120. positioning a groove; 130. a first end; 140. a second end; 150. a first stage; 160. a second stage; 170. a first step surface; 200. an inner conductive member; 210. a conductive body portion; 211. a third stage; 212. a fourth stage; 213. a second step surface; 214. a second threaded hole; 215. a first mounting groove; 216. a first threaded hole; 220. a conductive contact bump; 221. a connecting through hole; 230. a position adjustment mechanism; 231. a limiting conductive bolt; 232. a compression spring; 300. an indicating device; 400. a power supply module; 500. a protection resistor; 600. a base; 610. a cover plate; 620. a second mounting groove; 630. a conductive stud; 640. a conductive rod; 650. an outer conductive ring sheet; 660. an inner conductive ring sheet; 710. an insulating washer; 720. insulating position sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As described in the background art, in the related art, the travel of the key is detected by assembling the smart device body into the mounting ring and pressing the key to make the key touch the smart device body. In this way, the key stroke detection step is performed after the assembly step of the intelligent device main body and the mounting ring, and in the key stroke detection process, if the key stroke on the mounting ring is found to be insufficient, the assembled intelligent device main body and the mounting ring need to be disassembled, the mounting ring is replaced and reassembled with the intelligent device main body, and then the key stroke detection step is performed until the key stroke detection is qualified. After the button stroke on the discovery collar is not enough, dismantle collar and smart machine main part and change the collar and reassemble, need expend manpower and time, reduced the efficiency of whole intelligent wearing equipment production. In addition, the mode of directly pressing the intelligent equipment main body through the key and the added dismounting steps can increase the risk of damaging the high-value intelligent equipment main body.
In order to solve the technical problems, the inventor sets an outer conductive fixing ring, an inner conductive piece, a power module and an indicating device, so that the power module, the indicating device, the outer conductive fixing ring and the inner conductive piece are connected in series to form a detection loop, the inner conductive piece is sleeved in the outer conductive fixing ring and is fixedly connected with the outer conductive fixing ring, the outer conductive fixing ring is in insulation fit with the inner conductive piece, the outer conductive fixing ring is used for fixing a mounting ring of intelligent wearable equipment sleeved outside the outer conductive fixing ring, a conductive contact part on the mounting ring is in electric contact with the outer conductive fixing ring, communication ports corresponding to keys on the mounting ring one by one are arranged on the outer wall of the outer conductive fixing ring, each communication port is communicated with an inner cavity of the outer conductive fixing ring, each communication port is used for enabling a conductive trigger part of the key to extend into when the corresponding key is pressed, the inner conductive piece is used for being in electric contact with a conductive trigger part of the key which moves a preset stroke when the corresponding key is pressed, to put the detection circuit into communication.
Before assembling the smart machine main part of intelligent wearing equipment in the mount ring, can fix the mount ring on outer conductive fixed ring, conductive contact portion and outer conductive fixed ring electrical contact on the mount ring, press the button on the mount ring that needs to detect, make the electrically conductive trigger part of the button of being pressed move inwards through the intercommunication mouth that corresponds on outer conductive fixed ring, when the stroke that the button that is pressed removed reaches preset stroke, the electrically conductive trigger part and the interior electrically conductive piece electrical contact of the button that is pressed, and then will detect the return circuit intercommunication, make indicating device work, the suggestion this button is satisfied the demand by the stroke that removes when being pressed. When the moving stroke of the pressed key is insufficient, the conductive trigger part of the pressed key cannot be in electrical contact with the inner conductive piece, the detection loop is in an off state, the indicating device does not work, and the requirement that the moving stroke of the pressed key cannot meet is prompted. Therefore, whether the stroke of the key on the side wall of the mounting ring meets the requirement or not can be detected quickly and accurately. When producing intelligent wearing equipment, can with the leading before assembling the smart machine main part of the key stroke detection step of collar, can directly select the collar that the key stroke satisfies the demand earlier, make the collar that the key stroke satisfies the demand assemble with the smart machine main part again, after the stroke of the button of discovery collar is not enough, need not dismantle the smart machine main part that has assembled again, can improve the efficiency of production intelligent wearing equipment, and can not lead to the fact the influence to the smart machine main part to the detection of collar key stroke.
The following describes the key stroke detection device provided by the present application in detail with reference to specific embodiments.
Fig. 1 is a schematic diagram of a detection circuit of an embodiment of the proposed key stroke detection device, fig. 2 is a schematic structural diagram of the embodiment of the proposed key stroke detection device at a first viewing angle, fig. 3 is a schematic structural diagram of the embodiment of the proposed key stroke detection device at a second viewing angle, and fig. 4 is a cross-sectional view of a plane a-a in fig. 3.
As shown in fig. 1 to 4, the key stroke detecting device provided in this embodiment includes: outer conductive fixing ring 100, inner conductive member 200, power module 400, and indication device 300.
The inner conductive member 200, the power module 400, the indicating device 300 and the outer conductive fixing ring 100 are connected in series to form a detection loop.
The inner conductive member 200 is sleeved in the outer conductive fixing ring 100 and is fastened to the outer conductive fixing ring 100, and the outer conductive fixing ring 100 is in insulation fit with the inner conductive member 200.
The outer conductive fixing ring 100 is used for fixing a mounting ring of the intelligent wearable device sleeved outside the outer conductive fixing ring 100, and a conductive contact part on the mounting ring is in electrical contact with the outer conductive fixing ring 100.
The outer wall of the outer conductive fixing ring 100 is provided with communicating ports 110 which are in one-to-one correspondence with the keys on the mounting ring, each communicating port 110 is communicated with the inner cavity of the outer conductive fixing ring 100, and each communicating port 110 is used for enabling the conductive trigger part of the corresponding key to stretch into when the corresponding key is pressed.
The inner conductive member 200 is used to electrically contact with the conductive triggering portion of the key moving a predetermined stroke when pressed, so as to connect the detection circuit.
The side wall of the mounting ring is provided with one or more keys, and the conductive contact part of each key is electrically connected with the conductive trigger part.
In the above embodiment, when the stroke of the key on the mounting ring needs to be detected, the mounting ring not equipped with the main body of the intelligent device is fixed on the outer conductive fixing ring 100, the key is pressed, if the indicating device 300 works, the stroke of the key meets the preset stroke, and if the indicating device 300 does not work, the stroke of the key does not meet the preset stroke, so that whether the stroke of the key on the side wall of the mounting ring meets the requirement or not can be detected quickly and accurately. When producing intelligent wearing equipment, can with the leading before assembling the smart machine main part of the key stroke detection step of collar, can directly select the collar that the key stroke satisfies the demand earlier, make the collar that the key stroke satisfies the demand assemble with the smart machine main part again, after the stroke of the button of discovery collar is not enough, need not dismantle the smart machine main part that has assembled again, can improve the efficiency of production intelligent wearing equipment, and can not lead to the fact the influence to the smart machine main part to the detection of collar key stroke.
It is understood that the indication device 300 can be a common device such as an indicator light, a buzzer alarm, an audible and visual alarm, etc. which can trigger the indication information when being powered on.
The structure and size of the outer conductive fixing ring 100 may be determined according to the mounting ring of the smart wearable device to be fixed, and may be a square ring, a circular ring or other ring-shaped structure.
The outer conductive fixing ring 100 and the inner conductive member 200 may be fastened and connected by an insulating bracket, an insulating adhesive layer, or the like.
The preset stroke refers to a stroke that the key on the mounting ring meets the requirement, and the preset stroke is determined according to a distance between the conductive trigger part of the key which meets the requirement stroke and is not pressed and the inner conductive piece 200 when the mounting ring is fixed on the outer conductive fixing ring 100.
The detection circuit is conducted through the conductive contact portion on the mounting ring electrically contacting the outer conductive fixing ring 100 and the conductive triggering portion of the key electrically connected to the conductive contact portion and electrically contacting the inner conductive member 200. One end of the high-potential end and the low-potential end of the whole body formed by connecting the power module 400 and the indicating device 300 in series is electrically connected with the inner conductive member 200, and the other end is electrically connected with the outer conductive fixing ring 100, when no external conductive member is used to electrically conduct the outer conductive fixing ring 100 and the inner conductive member 200, the detection loop is disconnected between the outer conductive fixing ring 100 and the inner conductive member 200, and the detection loop controls the on-off of the detection loop through the on-off between the outer conductive fixing ring 100 and the inner conductive member 200.
The conductive contact part can be a conductive contact of the inner wall of the mounting ring, can also be a conductive contact piece of the inner wall of the mounting ring, and can also enable the whole conductive inner wall of the mounting ring to be used as the conductive contact part.
For example, the inner conductive member 200, the power module 400, the indicating device 300 and the outer conductive ring 100 are sequentially connected in series to form a detection loop; or, the outer conductive fixing ring 100, the power module 400, the indicating device 300 and the inner conductive member 200 are sequentially connected in series to form a detection loop.
In some examples, a protection resistor 500 is also connected in series in the detection loop.
Thus, the power module 400 or the indication device 300 can be prevented from being damaged due to excessive current in the detection loop.
For example, the inner conductive member 200, the protection resistor 500, the power module 400, the indicating device 300 and the outer conductive fixing ring 100 are sequentially connected in series to form a detection loop; or, the inner conductive member 200, the power module 400, the protection resistor 500, the indicating device 300 and the outer conductive fixing ring 100 are sequentially connected in series to form a detection loop; or, the inner conductive member 200, the power module 400, the indicating device 300, the protection resistor 500 and the outer conductive fixing ring 100 are sequentially connected in series to form a detection loop; or, the outer conductive fixing ring 100, the protection resistor 500, the power module 400, the indicating device 300 and the inner conductive member 200 are sequentially connected in series to form a detection loop; or, the outer conductive fixing ring 100, the power module 400, the protection resistor 500, the indicating device 300 and the inner conductive member 200 are sequentially connected in series to form a detection loop; or, the outer conductive fixing ring 100, the power module 400, the indicating device 300, the protection resistor 500 and the inner conductive member 200 are sequentially connected in series to form a detection loop.
Fig. 5 is a schematic diagram of an outer conductive fixing ring of an embodiment of the proposed key stroke detecting device.
As shown in fig. 5, and with reference to fig. 1-4, in some possible embodiments, the outer conductive retaining ring 100 includes first and second axially opposite ends 130, 140 thereof.
Each of the via openings 110 is provided at the second end 140, and each of the via openings 110 penetrates the second end 140 in the axial direction of the outer conductive fixing ring 100.
So set up, be convenient for fix the button of protrusion in the collar inner wall in intercommunication mouth 110 department.
In some examples, outer conductive ring 100 is a circular ring, inner conductive member 200 is a cylindrical structure, and outer conductive ring 100 and inner conductive member 200 are coaxially spaced apart.
So arranged, it is beneficial to control the distance from the outer end of the communication port 110 to the inner conductive member 200.
Fig. 6 is a schematic view showing an insulating washer and an insulating bush of an embodiment of the proposed key stroke detecting device mounted on an inner conductive member.
As shown in fig. 6 and referring to fig. 1-5, in some examples, an insulating positioning sleeve 720 is disposed between the outer conductive fixing ring 100 and the inner conductive member 200, an outer wall of the insulating positioning sleeve 720 is attached to an inner wall of the outer conductive fixing ring 100, an inner wall of the insulating positioning sleeve 720 is attached to an inner wall of the inner conductive member 200, and the insulating positioning sleeve 720 is used to limit radial movement of the outer conductive fixing ring 100 relative to the inner conductive member 200.
Fig. 7 is a schematic diagram of a base and an indicating device, an outer conductive ring sheet, an inner conductive ring sheet and a conductive stud assembled thereon according to an embodiment of the proposed key stroke detecting device.
As shown in fig. 7 and referring to fig. 1-6, in some possible embodiments, the key stroke detecting device further includes a base 600, the outer conductive fixing ring 100 is fastened to the base 600 through the first end 130, and one end of the inner conductive member 200 is fastened to the base 600 at the opening of the first end 130 of the outer conductive fixing ring 100.
So configured, the inner conductive member 200 and the outer conductive fixing ring 100 are conveniently installed.
In some examples, the end of the inner conductive member 200 distal from the base 600 is flush with the second end 140 of the outer conductive retaining ring 100 or passes out of the second end 140.
So arranged, the conductive trigger part extending from the communication opening 110 is beneficial to electrically contact with the inner conductive member 200.
In some possible embodiments, the outer conductive fixing ring 100 includes a first segment 150 and a second segment 160 that are fixedly connected in sequence from the first end 130 to the second end 140, the first segment 150 and the second segment 160 are coaxially arranged, an inner ring size of the first segment 150 is smaller than that of the second segment 160, and an inner side wall of the first segment 150 and an inner side wall of the second segment 160 are transited by a first step surface 170 perpendicular to the two.
The inner conductive member 200 is a cylindrical structure coaxial with the outer conductive fixing ring 100, the inner conductive member 200 includes a third section 211 and a fourth section 212 which are sequentially and tightly connected along the axial direction thereof, the third section 211 and the fourth section 212 are coaxially arranged, the size of the cross section of the third section 211 is smaller than that of the fourth section 212, and the outer side wall of the third section 211 and the outer side wall of the fourth section 212 are transited through a second step surface 213 which is perpendicular to the third section 211 and the fourth section 212.
The third section 211 is sleeved in the first section 150 and arranged at an interval with the first section 150, the end part of the third section 211, which is far away from the fourth section 212, is fixedly connected with the base 600, the end part of the third section 211, which is connected with the fourth section 212, extends into the inner cavity of the second section 160, the fourth section 212 is sleeved in the second section 160 and arranged at an interval with the second section 160, the first end 130 is abutted against the surface of the base 600, and the second step surface 213 is abutted against the first step surface 170 through an insulating gasket 710 and compresses and fixes the first section 150 and the base 600.
So configured, the inner conductive member 200 and the outer conductive fixing ring 100 are conveniently installed.
It is understood that the first segment 150 and the second segment 160 can be a unitary structure, and that the first segment 150 and the second segment 160 can also be securely connected by an electrically conductive fastener, with the first end 130 being the end of the first segment 150 distal from the second segment 160 and the second end 140 being the end of the second segment 160 distal from the first segment 150.
The third segment 211 and the fourth segment 212 may be a unitary structure, and the third segment 211 and the fourth segment 212 may also be fastened together by conductive fasteners.
For example, the first section 150 and the second section 160 are both circular rings, the inner diameter of the first section 150 is smaller than the inner diameter of the second section 160, the third section 211 and the fourth section 212 are both cylindrical structures, the outer diameter of the third section 211 is smaller than the inner diameter of the first section 150, and the outer diameter of the fourth section 212 is larger than the inner diameter of the first section 150 and smaller than the inner diameter of the second section 160.
In some examples, the first segment 150 and the second segment 160 are both circular rings and the third segment 211 and the fourth segment 212 are both cylindrical structures.
So arranged, it is beneficial to control the distance from the outer end of the communication port 110 to the inner conductive member 200.
In some examples, the outer dimensions of the cross-section of the first section 150 are smaller than the outer dimensions of the cross-section of the second section 160.
For example, the first section 150 and the second section 160 are both circular rings, and the outer diameter of the first section 150 is smaller than the outer diameter of the second section 160.
With such an arrangement, the material for manufacturing the outer conductive fixing ring 100 can be saved, and the weight can be reduced.
In some possible embodiments, an insulating positioning sleeve 720 is disposed between the first segment 150 and the third segment 211, an outer wall of the insulating positioning sleeve 720 is attached to an inner wall of the first segment 150, and an inner wall of the insulating positioning sleeve 720 is attached to an outer wall of the third segment 211.
With such an arrangement, the distance from the outer end of the communication port 110 to the inner conductive member 200 can be prevented from being changed due to the relative movement between the inner conductive member 200 and the outer conductive fixing ring 100.
In some possible embodiments, an insulating positioning sleeve 720 is disposed between the second segment 160 and the fourth segment 212, an outer wall of the insulating positioning sleeve 720 is attached to an inner wall of the second segment 160, and an inner wall of the insulating positioning sleeve 720 is attached to an outer wall of the fourth segment 212.
With such an arrangement, the distance from the outer end of the communication port 110 to the inner conductive member 200 can be prevented from being changed due to the relative movement between the inner conductive member 200 and the outer conductive fixing ring 100.
In some possible embodiments, the insulating positioning sleeve 720 is a unitary structure with the insulating washer 710.
So set up, the assembly is more convenient.
In some possible embodiments, the base 600 is made of an insulating material, a mounting cavity is formed in the base 600, and the power module 400 and the electrical connection portion of the indication device 300 are disposed in the mounting cavity.
So configured, installation of the power module 400 and the pointing device 300 is facilitated.
In some examples, the indication device 300 is an indicator light, the indicator light is mounted on the surface of the base 600, and an electrical connection portion of the indicator light extends into the mounting cavity to access the detection circuit.
In some examples, power module 400 includes a battery.
In some examples, the base 600 is a cubic base 600, one side surface of the base 600 is used for mounting the outer conductive fixing ring 100 and the inner conductive member 200, the other side surface opposite to the side surface is formed with a second mounting groove 620 and is provided with a cover plate 610 for covering a notch of the second mounting groove 620, the cover plate 610 is detachably connected to the base 600, and the second mounting groove 620 and the cover plate 610 define a mounting cavity.
So, be convenient for carry out dismouting and maintenance to the part of installation intracavity.
In some possible embodiments, a conductive stud 630 is fastened to the surface of the base 600, one end of the conductive stud 630 is screwed to the end of the third segment 211 in the first segment 150, and the third segment 211 is electrically connected to the conductive stud 630, the other end of the conductive stud 630 is connected to a detection circuit in the installation cavity, and the conductive stud 630 is spaced apart from the first segment 150.
By such arrangement, the inner conductive member 200 outside the base 600 is favorably fixed on the base 600 and is electrically connected with the electric element in the installation cavity of the base 600, and the inner conductive member 200 is convenient to connect with the base 600 and the detection loop.
It is understood that the end of the third section 211 away from the fourth section 212 is formed with a second threaded hole 214 adapted to the conductive stud 630, the conductive stud 630 is screwed into the second threaded hole 214, and the inner conductive member 200 is connected to the detection circuit through the conductive stud 630.
In some examples, a conductive column is disposed in the base 600, the conductive column is disposed in the first section 150 and spaced from the first section 150, one end of the conductive column penetrates through the surface of the base 600, the other end of the conductive column is connected to the detection circuit in the mounting cavity, a third threaded hole is disposed on an end surface of the conductive column penetrating through the base 600, a connection hole penetrating through the connection section of the conductive column is disposed on the internal conductive member 200, a conductive bolt penetrates through the connection hole and then is in threaded connection with the third threaded hole, and the internal conductive member 200 is fastened to the conductive column through the conductive bolt and is electrically connected to the conductive column.
In some possible embodiments, a conductive rod 640 is disposed in the base 600, one end of the conductive rod 640 penetrates through the surface of the base 600 and is used for electrically contacting the first end 130, the other end of the conductive rod 640 is connected to the detection circuit in the installation cavity, and the conductive rod 640 is disposed at a distance from the third segment 211 and the conductive stud 630.
So configured, it is beneficial to make the outer conductive fixing ring 100 outside the base 600 electrically connected with the electrical element inside the mounting cavity of the base 600.
It will be appreciated that the outer conductive retaining ring 100 is coupled into the detection circuit by conductive rod 640.
In some possible embodiments, an inner conductive ring 660 opposite to the end of the third section 211 far from the fourth section 212 and an outer conductive ring 650 opposite to the first end 130 are fastened to the surface of the base 600, the inner conductive ring 660 and the outer conductive ring 650 are arranged at intervals, the inner conductive ring 660 is sleeved outside the conductive stud 630 and is electrically connected to the conductive stud 630 through an inner wall in contact with the conductive stud 630, one end of the conductive rod 640 penetrating out of the surface of the base 600 is electrically connected to the outer conductive ring 650, the first end 130 is used for abutting against an end surface of the outer conductive ring 650 so as to electrically contact the outer conductive fixing ring 100 with the outer conductive ring 650, and the third end is used for abutting against an end surface of the inner conductive ring 660 so as to electrically contact the inner conductive member 200 with the inner conductive ring 660.
So set up, can increase the area of electrical contact, avoid detecting the return circuit and become invalid.
In some examples, the outer conductive ring piece 650 and the first end 130 have a first positioning hole and a second positioning hole respectively formed thereon, the first positioning hole and the second positioning hole having a conductive positioning pin therein, and an outer wall of the conductive positioning pin is attached to the hole walls of the first positioning hole and the second positioning hole.
By such a design, the installation position of the outer conductive fixing ring 100 on the base 600 is easily determined, and the electrical contact area of the outer conductive fixing ring 100 can be increased.
It is understood that the first positioning hole, the second positioning hole and the conductive positioning pin may be disposed in one or more groups corresponding to each other, and in the embodiment where the conductive positioning pin is disposed, the inner conductive member 200 may be connected to the conductive pillar on the base 600 by a conductive bolt, and press the outer conductive fixing ring 100 on the base 600.
In some possible embodiments, the inner conductive member 200 includes a conductive main body portion 210, the conductive main body portion 210 is fastened to the outer conductive fixing ring 100, conductive contact bumps 220 corresponding to the communication openings 110 are disposed on the conductive main body portion 210, each conductive contact bump 220 is electrically connected to the conductive main body portion 210, each conductive contact bump 220 extends into the corresponding communication opening 110, and each conductive contact bump 220 is configured to electrically contact with the conductive trigger portion of the corresponding key when the key is pressed and moved by a preset stroke.
With such an arrangement, the conductive triggering portion of the pressed key is electrically contacted with the inner conductive member 200, and the preset stroke is conveniently adjusted by adjusting the distance between the outer end surface of the conductive contact bump 220 and the outer end of the corresponding communication port 110.
It is appreciated that in embodiments where inner conductor 200 includes third and fourth segments 211 and 212, third and fourth segments 211 and 212 are formed on conductive body portion 210.
Fig. 8 is a schematic diagram illustrating a conductive contact bump of an embodiment of the key stroke detecting device mounted on an inner conductive member through a position adjusting mechanism.
As shown in fig. 8 and referring to fig. 1-7, in some possible embodiments, each conductive contact bump 220 is mounted on the conductive main body 210 by a one-to-one corresponding position adjustment mechanism 230, and each position adjustment mechanism 230 is configured to adjust the position of its corresponding conductive contact bump 220 to adjust the distance between the outer side surface of the conductive contact bump 220 and the outer end of its corresponding communication port 110.
According to the arrangement, the detection preset stroke can be adjusted according to the stroke requirements of different keys.
In some possible embodiments, the sidewall of the conductive main body 210 is provided with first mounting grooves 215 corresponding to the conductive contact bumps 220 one to one, each conductive contact bump 220 is slidably fitted with its corresponding first mounting groove 215, and each conductive contact bump 220 is slidable toward the outer end of its corresponding communication port 110 and away from the outer end of its corresponding communication port 110.
The center of the outer side of each conductive contact bump 220 is provided with a connection through hole 221 extending along the sliding direction of the conductive contact bump 220, and the inner wall of each first mounting groove 215 is provided with a first threaded hole 216 directly facing the connection through hole 221 of the conductive contact bump 220 corresponding to the first mounting groove 215.
Each position adjusting mechanism 230 includes a limiting conductive bolt 231 and a compression spring 232, a screw of each limiting conductive bolt 231 penetrates through the connecting through hole 221 of the corresponding conductive contact bump 220 from the outer side surface of the corresponding conductive contact bump 220 and then is in threaded connection with the first threaded hole 216 of the corresponding first mounting groove 215, a screw head of each limiting conductive bolt 231 is used for abutting against the outer side surface of the corresponding conductive contact bump 220, and each conductive contact bump 220 is electrically connected with the conductive main body through the corresponding limiting conductive bolt 231.
Each compression spring 232 is arranged in the corresponding first mounting groove 215, two ends of each compression spring 232 extend along the sliding direction of the corresponding conductive contact bump 220, and two ends of each compression spring 232 are respectively abutted against the inner side surface of the corresponding conductive contact bump 220 and the inner wall of the first mounting groove 215.
Thus, the position of the conductive contact bump 220 can be conveniently adjusted.
In some examples, the connection through-hole 221 is a countersunk hole, and the screw head of the position-limiting conductive bolt 231 is embedded into the corresponding countersunk hole.
With this arrangement, the limit conductive bolt 231 can be prevented from affecting the electrical contact between the conductive trigger and the conductive contact bump 220.
In some examples, a compression spring 232 is disposed in each first mounting groove 215, and the compression spring 232 is sleeved outside the corresponding limit conductive bolt 231.
In some examples, the outer sidewall of the outer conductive fixing ring 100 is provided with positioning grooves 120 corresponding to the protruding structures of the inner wall of the mounting ring.
So configured, it is beneficial to make the key directly face the communication opening 110 when fixing the mounting ring to the outer conductive fixing ring 100.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A key stroke detection device is characterized by comprising an outer conductive fixing ring, an inner conductive piece, a power supply module and an indicating device;
the inner conductive piece, the power supply module, the indicating device and the outer conductive fixing ring are connected in series to form a detection loop;
the inner conductive piece is sleeved in the outer conductive fixing ring and is fixedly connected with the outer conductive fixing ring, and the outer conductive fixing ring is in insulation fit with the inner conductive piece;
the outer conductive fixing ring is used for fixing a mounting ring of the intelligent wearable device sleeved on the outer side of the outer conductive fixing ring, and a conductive contact part on the mounting ring is in electrical contact with the outer conductive fixing ring;
the outer wall of the outer conductive fixing ring is provided with communication ports which are in one-to-one correspondence with the keys on the mounting ring, each communication port is communicated with the inner cavity of the outer conductive fixing ring, and each communication port is used for allowing the conductive trigger part of the key to extend into when the corresponding key is pressed;
the inner conductive piece is used for being in electrical contact with the conductive trigger part of the key which moves for a preset stroke when being pressed so as to communicate the detection loop;
one or more keys are arranged on the side wall of the mounting ring, and the conductive contact part of each key is electrically connected with the conductive trigger part.
2. The key stroke detecting device according to claim 1, wherein said outer conductive retainer ring includes axially opposed first and second ends thereof;
each communication port is arranged at the second end, and each communication port penetrates through the second end along the axial direction of the outer conductive fixing ring.
3. The device for detecting the stroke of a key according to claim 2, wherein the inner conductive member includes a conductive main body portion, the conductive main body portion is fastened to the outer conductive fixing ring, the conductive main body portion is provided with conductive contact bumps corresponding to the communication openings one to one, each conductive contact bump is electrically connected to the conductive main body portion, each conductive contact bump extends into the corresponding communication opening, and each conductive contact bump is configured to be electrically contacted to the conductive trigger portion of the key when the corresponding key is pressed and moved by a preset stroke.
4. The device for detecting the key stroke according to claim 3, wherein each of the conductive contact bumps is mounted on the conductive main body portion through a one-to-one corresponding position adjustment mechanism, and each of the position adjustment mechanisms is configured to adjust the position of the corresponding conductive contact bump so as to adjust the distance between the outer side surface of the conductive contact bump and the outer end of the corresponding communication port.
5. The key stroke detecting device according to claim 4, wherein the side wall of the conductive main body portion is provided with first mounting grooves corresponding to the conductive contact protrusions one to one, each conductive contact protrusion is in sliding fit with the corresponding first mounting groove, and each conductive contact protrusion can slide in a direction close to the outer end of the corresponding communication port and in a direction away from the outer end of the corresponding communication port;
a connecting through hole extending along the sliding direction of each conductive contact bump is formed in the center of the outer side face of each conductive contact bump, and a first threaded hole opposite to the connecting through hole in the conductive contact bump corresponding to the first mounting groove is formed in the inner wall of each first mounting groove;
each position adjusting mechanism comprises a limiting conductive bolt and a compression spring, a screw rod of each limiting conductive bolt penetrates through the connecting through hole of the corresponding conductive contact lug from the outer side surface of the corresponding conductive contact lug and then is in threaded connection with the first threaded hole of the corresponding first mounting groove, the screw head of each limiting conductive bolt is used for being abutted against the outer side surface of the corresponding conductive contact lug, and each conductive contact lug is electrically connected with the conductive main body through the corresponding limiting conductive bolt;
every compression spring all locates its correspondence in the first mounting groove, every compression spring's both ends all follow its correspondence the slip direction of electrically conductive contact lug extends, every compression spring's both ends are equallyd divide do not rather than corresponding the medial surface of electrically conductive contact lug with the inner wall butt of first mounting groove.
6. The key stroke detecting device according to claim 2, further comprising a base;
the outer conductive fixing ring comprises a first section and a second section which are sequentially and fixedly connected from the first end to the second end, the first section and the second section are coaxially arranged, the size of an inner ring of the first section is smaller than that of an inner ring of the second section, and the inner side wall of the first section and the inner side wall of the second section are in transition through a first step surface vertical to the first step surface and the second step surface;
the inner conductive piece is of a cylindrical structure coaxial with the outer conductive fixing ring, the inner conductive piece comprises a third section and a fourth section which are sequentially and fixedly connected along the axial direction of the inner conductive piece, the third section and the fourth section are coaxially arranged, the size of the cross section of the third section is smaller than that of the cross section of the fourth section, and the outer side wall of the third section and the outer side wall of the fourth section are transited through a second step surface which is perpendicular to the third section and the fourth section;
the third section is sleeved in the first section and arranged at an interval with the first section, the end part, far away from the fourth section, of the third section is fixedly connected with the base, the end part, connected with the fourth section, of the third section extends into the inner cavity of the second section, the fourth section is sleeved in the second section and arranged at an interval with the second section, the first end is abutted to the surface of the base, and the second step surface is abutted to the first step surface through an insulating gasket and tightly presses and fixes the first section and the base.
7. The key stroke detection device according to claim 6, wherein an insulating positioning sleeve is arranged between the first section and the third section, the outer wall of the insulating positioning sleeve is attached to the inner wall of the first section, the inner wall of the insulating positioning sleeve is attached to the outer wall of the third section, and the insulating positioning sleeve and the insulating washer are of an integral structure;
and/or, be equipped with insulating position sleeve between the second section with the fourth section, the outer wall of insulating position sleeve with the inner wall laminating of second section, the inner wall of insulating position sleeve with the outer wall laminating of fourth section, insulating position sleeve with insulating packing ring structure as an organic whole.
8. The key stroke detecting device according to claim 6, wherein the base is made of an insulating material, a mounting cavity is formed in the base, and the power module and the electrical connection portion of the indicating device are both disposed in the mounting cavity;
the detection device comprises a base, a first section, a second section, a third section, a fourth section and a detection cavity, wherein the first section and the second section are both circular rings, the third section and the fourth section are both cylindrical structures, a conductive stud is fixedly connected to the surface of the base, one end of the conductive stud is in threaded connection with the end part of the third section in the first section and enables the third section to be electrically connected with the conductive stud, the other end of the conductive stud is connected into the detection cavity, and the conductive stud and the first section are arranged at intervals.
9. The key stroke detection device according to claim 8, wherein a conductive rod is arranged in the base, one end of the conductive rod penetrates out of the surface of the base and is used for being electrically contacted with the first end, the other end of the conductive rod is connected into the detection loop in the installation cavity, and the conductive rod, the third section and the conductive stud are arranged at intervals.
10. The key stroke detecting device according to claim 9, wherein an inner conductive ring piece opposite to an end of the third section far from the fourth section and an outer conductive ring piece opposite to the first end are fixedly connected to a surface of the base, the inner conductive ring piece and the outer conductive ring piece are arranged at intervals, the inner conductive ring piece is sleeved outside the conductive stud and is electrically connected to the conductive stud through an inner wall in contact with the conductive stud, one end of the conductive rod penetrating through the surface of the base is electrically connected to the outer conductive ring piece, the first end is used for abutting against an end surface of the outer conductive ring piece so as to electrically contact the outer conductive fixing ring with the outer conductive ring piece, and the third end is used for abutting against an end surface of the inner conductive ring piece so as to electrically contact the inner conductive piece with the inner conductive ring piece.
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|---|---|---|---|
| CN202111649188.9A CN114295972B (en) | 2021-12-29 | 2021-12-29 | Key travel detection device |
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| CN202111649188.9A CN114295972B (en) | 2021-12-29 | 2021-12-29 | Key travel detection device |
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| CN114295972B CN114295972B (en) | 2023-09-05 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0574311A (en) * | 1991-09-18 | 1993-03-26 | Mitsubishi Electric Corp | Operating characteristic measuring device for switch |
| JP2005265786A (en) * | 2004-03-22 | 2005-09-29 | Seiko Epson Corp | Pressing method, pressing device, ic handler, and ic inspection device |
| CN101344369A (en) * | 2008-08-18 | 2009-01-14 | 天津市电力公司 | Handcart once contact stroke test device for high-tension switch cabinet |
| CN102629528A (en) * | 2012-04-14 | 2012-08-08 | 桂林航天电子有限公司 | Clapping contact travel switch |
| CN203894358U (en) * | 2014-04-24 | 2014-10-22 | 天津国丰模具有限公司 | Stroke switch detection apparatus |
| CN104991187A (en) * | 2015-07-14 | 2015-10-21 | 中航飞机股份有限公司西安飞机分公司 | Travel switch detection device and detection method |
| CN205195022U (en) * | 2015-11-09 | 2016-04-27 | 广州易迩达电子有限公司 | Isolated coaxial cable signal connector's integration production test equipment |
| US20180062382A1 (en) * | 2016-08-26 | 2018-03-01 | Hitachi, Ltd. | Switch Operating Characteristic Monitoring Device, Switch Equipped With Same, and Switch Operating Characteristic Monitoring Method |
| CN107831436A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place |
| CN110275106A (en) * | 2019-07-29 | 2019-09-24 | 中壹发展八五零电子有限公司 | Microswitch stroke measuring system |
| CN212274809U (en) * | 2020-07-01 | 2021-01-01 | 华能国际电力股份有限公司南京电厂 | High tension switchgear circuit breaker sound contact travel measuring device |
| CN212749165U (en) * | 2020-06-30 | 2021-03-19 | 上海创功通讯技术有限公司 | Device for detecting key stroke |
-
2021
- 2021-12-29 CN CN202111649188.9A patent/CN114295972B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0574311A (en) * | 1991-09-18 | 1993-03-26 | Mitsubishi Electric Corp | Operating characteristic measuring device for switch |
| JP2005265786A (en) * | 2004-03-22 | 2005-09-29 | Seiko Epson Corp | Pressing method, pressing device, ic handler, and ic inspection device |
| CN101344369A (en) * | 2008-08-18 | 2009-01-14 | 天津市电力公司 | Handcart once contact stroke test device for high-tension switch cabinet |
| CN102629528A (en) * | 2012-04-14 | 2012-08-08 | 桂林航天电子有限公司 | Clapping contact travel switch |
| CN203894358U (en) * | 2014-04-24 | 2014-10-22 | 天津国丰模具有限公司 | Stroke switch detection apparatus |
| CN104991187A (en) * | 2015-07-14 | 2015-10-21 | 中航飞机股份有限公司西安飞机分公司 | Travel switch detection device and detection method |
| CN205195022U (en) * | 2015-11-09 | 2016-04-27 | 广州易迩达电子有限公司 | Isolated coaxial cable signal connector's integration production test equipment |
| US20180062382A1 (en) * | 2016-08-26 | 2018-03-01 | Hitachi, Ltd. | Switch Operating Characteristic Monitoring Device, Switch Equipped With Same, and Switch Operating Characteristic Monitoring Method |
| CN107831436A (en) * | 2017-12-13 | 2018-03-23 | 湖南长高高压开关有限公司 | A kind of folding-jib disconnecting switch divide-shut brake monitoring device and method in place |
| CN110275106A (en) * | 2019-07-29 | 2019-09-24 | 中壹发展八五零电子有限公司 | Microswitch stroke measuring system |
| CN212749165U (en) * | 2020-06-30 | 2021-03-19 | 上海创功通讯技术有限公司 | Device for detecting key stroke |
| CN212274809U (en) * | 2020-07-01 | 2021-01-01 | 华能国际电力股份有限公司南京电厂 | High tension switchgear circuit breaker sound contact travel measuring device |
Non-Patent Citations (1)
| Title |
|---|
| 王先强: ""智能电能表开表盖按键检测装置的设计"", 《科技创新与生产力》 * |
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