CN210429630U - Pull switch with pull distance detection function - Google Patents
Pull switch with pull distance detection function Download PDFInfo
- Publication number
- CN210429630U CN210429630U CN201921370104.6U CN201921370104U CN210429630U CN 210429630 U CN210429630 U CN 210429630U CN 201921370104 U CN201921370104 U CN 201921370104U CN 210429630 U CN210429630 U CN 210429630U
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- Prior art keywords
- pull
- sliding
- sliding block
- block
- switch
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 230000005611 electricity Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 13
- 230000001960 triggered effect Effects 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to a pull switch with a pull distance detection function, which comprises a shell and a pull rope; a detection block is arranged in the shell, and a sliding groove and a sliding block sliding along the sliding groove are arranged on the detection block; one end of the pull rope is connected with the sliding block; a row of touch pressure sensors arranged along the sliding direction of the sliding block are arranged on the bottom surface of the sliding groove; the shell is provided with an opening through which the pull rope passes; when the stay cord receives external force pulling, the sliding block is drawn the rope pulling force and is slided along the sliding tray, and it can make when touching the pressure sensor through the difference and touch the pressure sensor and produce signal value, touches the serial number of pressure sensor and adjacent two according to being triggered and touch the interval of pressure sensor and just can judge the approximate length of being pulled out the stay cord, and the gear is many and monitoring range is wider.
Description
Technical Field
The utility model relates to a monitoring instrument technical field, more specifically say, relate to a take stay wire switch of stay wire distance detection function.
Background
At present, the pull-switch is mostly just used as a control switch to control the circuit to be switched on and off, the number of gears is too small when the pull-switch is used for monitoring, the applicability is narrow, and the pull-switch with more gears and wide monitoring range is needed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a take stay wire switch of stay wire distance detection function is provided.
The utility model provides a technical scheme that its technical problem adopted is:
a pull-cord switch with a pull-cord distance detection function is constructed, wherein the pull-cord switch comprises a shell and a pull cord; a detection block is arranged in the shell, and a sliding groove and a sliding block sliding along the sliding groove are arranged on the detection block; one end of the pull rope is connected with the sliding block; a row of touch pressure sensors arranged along the sliding direction of the sliding block is arranged on the bottom surface of the sliding groove; the shell is provided with an opening through which the pull rope passes.
Take pullswitch of pullswitch distance detection function, wherein, still be provided with in the casing right the sliding block provides the extrusion piece of extrusion force, the direction orientation of extrusion force the sliding tray.
The utility model discloses a take stay wire switch of stay wire distance detection function, wherein, the sliding block is provided with a plurality ofly, and a plurality ofly the sliding block all with sliding connection of sliding tray; and the adjacent sliding blocks are connected through a connecting rope.
Take stay wire switch of stay wire distance detection function, wherein, it is adjacent to connect rope length to equal to or be greater than touch interval between the pressure sensor.
The utility model discloses a take stay wire switch of stay wire distance detection function, wherein, the sliding block and the connecting rope all can electrically conduct and be connected; the contact pressure sensor is a contact type sensor matched with the sliding block.
The utility model discloses a take pullswitch of pullswitch distance detection function, wherein, the sliding block with the sliding tray contact side surface is provided with the movable contact; the connecting rope can conduct electricity and is electrically connected with the movable contact; the contact pressure sensor is a contact type sensor matched with the movable contact.
Take stay wire switch of stay wire distance detection function, wherein, the sliding block is inside or the surface is provided with the electricity and connects connect the rope with the wire of movable contact.
Take pullswitch of pullwire distance detection function, wherein, the sliding block can pass the trompil.
The beneficial effects of the utility model reside in that: when the stay cord receives external force pulling, the sliding block is drawn the rope pulling force and is slided along the sliding tray, and it can make when touching the pressure sensor through the difference and touch the pressure sensor and produce signal value, touches the serial number of pressure sensor and adjacent two according to being triggered and touch the interval of pressure sensor and just can judge the approximate length of being pulled out the stay cord, and the gear is many and monitoring range is wider.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein 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 without inventive efforts according to the drawings:
fig. 1 is a schematic structural view of a pull switch with a pull distance detection function according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a pull switch with a pull distance detection function according to a second embodiment of the present invention;
fig. 3 is a schematic structural view of a pull switch with a pull distance detection function according to a third embodiment of the present invention;
fig. 4 is a schematic structural view of a pull switch with a pull distance detection function according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
Example one
The pull switch with the pull distance detection function of the preferred embodiment of the present invention, as shown in fig. 1, includes a housing 1 and a pull rope 2; a detection block 10 is arranged in the shell 1, and a sliding groove 100 and a sliding block 101 sliding along the sliding groove 100 are arranged on the detection block 10; one end of the pull rope 2 is connected with the sliding block 101; a row of touch pressure sensors 102 arranged along the sliding direction of the sliding block 101 are arranged on the bottom surface of the sliding groove 100; the shell 1 is provided with an opening 11 for the pull rope 2 to pass through; when the pull rope 2 is pulled by an external force, the sliding block 101 is pulled by the pull rope 2 to slide along the sliding groove 100, when the pull rope passes through different touch pressure sensors 102, the touch pressure sensors 102 can generate signal values, the approximate length of the pull rope 2 to be pulled can be judged according to the number of the triggered touch pressure sensors 102 and the distance between every two adjacent touch pressure sensors 102, the gears are multiple, and the monitoring range is wide;
the pull switch has rich application scenes, such as crack monitoring of buildings such as bridge decks and the like, subsidence monitoring of buildings such as piers and the like; taking bridge deck crack monitoring as an example, when the bridge deck crack monitoring is applied, a pull rope of a pull switch is fixed with one of the bridge deck boards, and a shell is fixed with the other bridge deck board;
more specifically, the distance between the touch sensors is set according to the width value of the bridge deck crack, if the touch sensors are arranged at positions 1mm, 3mm and 6mm away from the sliding block respectively and represent different emergency degrees from low to high, when the bridge deck crack increases, the sliding block is pulled, when the bridge deck crack is pulled to 1mm, an alarm is triggered to remind, when the bridge deck crack is pulled to 3mm, an alarm at a higher layer is triggered, and when the bridge deck crack is pulled to 6mm, an alarm at a higher layer is triggered; maintenance personnel can carry out overall management according to the different alarm emergency degrees, and if alarms appear on multiple bridge floors, the maintenance personnel can preferentially maintain the most emergency places and the like.
Preferably, a pressing piece 12 for providing a pressing force to the sliding block 101 is further provided in the housing 1, and the direction of the pressing force is toward the sliding groove 100; the stability of the slide block 101 during sliding is ensured while the slide block 101 is prevented from being out of the initial position by the static friction force in the normal state.
Example two
The present embodiment is substantially the same as the previous embodiment, and the same parts are not repeated, as shown in fig. 2, but the difference is that a plurality of sliding blocks 101 are provided, and the plurality of sliding blocks 101 are all connected with the sliding groove 100 in a sliding manner; the adjacent sliding blocks 101 are connected through a connecting rope 103; the monitoring gear can be increased under the condition that the number of the touch sensors 102 is less;
for example, only two touch sensors are provided, and the sliding block is three, so that the gear which can be monitored can reach six gears at most.
Preferably, the length of the connecting string 103 is equal to or greater than the distance between adjacent tactile pressure sensors 102.
EXAMPLE III
This embodiment is basically the same as the previous embodiment, and the same parts are not described again, as shown in fig. 3, except that the sliding block 101 and the connecting rope 103 can be both electrically conductive and electrically connected; the touch pressure sensor 102 is a contact type sensor 102 matched with the sliding block 101; the whole sliding block 101 is used as a moving contact by adopting a moving and static contact type triggering mode, and power is supplied through a connecting rope 103, so that gear detection can be realized;
it should be noted that, according to the span requirement between the actual monitoring gears, if the connection rope 103 is too long, the outer surface of the connection rope 103 needs to be wrapped by an insulating layer, so that the contact sensor 102 is prevented from being triggered by mistake when the connection rope hangs down.
Preferably, the sliding block 101 can pass through the opening 11; the length of the connecting rope 103 can be made longer, and the span between monitoring gears is increased.
Example four
This embodiment is basically the same as the previous embodiment, and the same parts are not described again, as shown in fig. 4, except that a movable contact 1010 is disposed on the surface of the sliding block 101 contacting the sliding groove 10; the connecting rope 103 can conduct electricity and is electrically connected with the movable contact 1010; the contact pressure sensor 102 is a contact type sensor 102 matched with the movable contact 1010;
the moving contact is not used as the whole sliding block, but is additionally arranged, so that the shape and the size of the sliding block 101 are not limited.
Preferably, the inside or the outer surface of the sliding block 101 is provided with a wire 1011 electrically connecting the connection cord 103 and the movable contact 1010; the integrity is good.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (8)
1. A pull switch with a pull distance detection function is characterized by comprising a shell and a pull rope; a detection block is arranged in the shell, and a sliding groove and a sliding block sliding along the sliding groove are arranged on the detection block; one end of the pull rope is connected with the sliding block; a row of touch pressure sensors arranged along the sliding direction of the sliding block is arranged on the bottom surface of the sliding groove; the shell is provided with an opening through which the pull rope passes.
2. The pull switch with pull distance detecting function according to claim 1, wherein a pressing piece for applying a pressing force to said sliding block is further provided in said case, and the direction of the pressing force is directed toward said sliding groove.
3. The pull switch with a pull distance detection function according to claim 1 or 2, wherein a plurality of the slide blocks are provided, and each of the plurality of slide blocks is slidably connected to the slide groove; and the adjacent sliding blocks are connected through a connecting rope.
4. The pull switch with pull distance detection function according to claim 3, wherein the length of the connection cord is equal to or greater than a spacing between adjacent ones of the touch sensors.
5. The pull switch with pull distance detecting function according to claim 3, wherein said sliding block and said connecting cord are both electrically conductive and electrically connected; the contact pressure sensor is a contact type sensor matched with the sliding block.
6. The pull switch with pull distance detecting function according to claim 3, wherein a movable contact is provided on a surface of said slide block on a side contacting said slide groove; the connecting rope can conduct electricity and is electrically connected with the movable contact; the contact pressure sensor is a contact type sensor matched with the movable contact.
7. The pull switch with pull distance detection function according to claim 6, wherein a wire electrically connecting said connection cord and said movable contact is provided inside or outside said sliding block.
8. The pull switch with pull distance detecting function according to any one of claims 4 to 7, wherein said slide block is allowed to pass through said opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921370104.6U CN210429630U (en) | 2019-08-22 | 2019-08-22 | Pull switch with pull distance detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921370104.6U CN210429630U (en) | 2019-08-22 | 2019-08-22 | Pull switch with pull distance detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210429630U true CN210429630U (en) | 2020-04-28 |
Family
ID=70363827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921370104.6U Expired - Fee Related CN210429630U (en) | 2019-08-22 | 2019-08-22 | Pull switch with pull distance detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210429630U (en) |
-
2019
- 2019-08-22 CN CN201921370104.6U patent/CN210429630U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 211100 a16, 4th floor, building 4, No.18 Zhilan Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Jiangsu saimijia IOT Technology Co.,Ltd. Address before: No. 602, 615, 6th floor, block a, block B, Huafeng Science Park, Xin'an 6th Road, 82 District, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: Shenzhen Tianqin Supply Chain Service Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |