CN216523784U - Double-channel linear measuring sensor - Google Patents
Double-channel linear measuring sensor Download PDFInfo
- Publication number
- CN216523784U CN216523784U CN202123222299.XU CN202123222299U CN216523784U CN 216523784 U CN216523784 U CN 216523784U CN 202123222299 U CN202123222299 U CN 202123222299U CN 216523784 U CN216523784 U CN 216523784U
- Authority
- CN
- China
- Prior art keywords
- spring
- strain gauge
- fixed support
- measurement
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to the technical field of sensors, in particular to a double-channel linear measurement sensor which comprises a fixed support, a measurement sliding block, a first spring, a second spring, a first strain gauge and a second strain gauge, wherein the upper side of the measurement sliding block is provided with a measurement touch plate, the lower side of the measurement sliding block is connected with the fixed support in a sliding mode, one side of the measurement sliding block is connected with a first end portion of the fixed support through the first spring, the other side of the measurement sliding block is connected with a second end portion of the fixed support through the second spring, the first end portion is provided with the first strain gauge for detecting the deformation force of the first spring, the second end portion is provided with the second strain gauge for detecting the deformation force of the second spring, and the first strain gauge and the second strain gauge are respectively connected with an upper computer through circuits. According to the utility model, the moving distance measurement is realized according to the Hooke's law of the spring and the principle of the strain gauge, the measurement is not limited by the environment any more, and the reliability of the measurement result is ensured through a dual-channel data comparison mechanism.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a double-channel linear measuring sensor.
Background
Among the prior art, the linear measurement sensor mainly has two kinds, one kind is infrared distance measurement sensor, and it utilizes infrared irradiation object surface reflection to carry out the distance detection, one kind is straight line grating range finding, and is common to have linear encoder, and its detection precision can both realize higher precision generally, but above-mentioned sensor all involves optical device, and is higher to the installation accuracy requirement to the cost is higher, generally is not suitable for the use to relatively complicated environment (have infrared irradiation, serious workshop of greasy dirt etc.).
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-channel linear measuring sensor, which realizes the measurement of the moving distance according to the Hooke's law of a spring and the principle of a strain gauge, is not limited by the environment any more in the measurement, and ensures the reliability of the measurement result through a double-channel data comparison mechanism.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a binary channels linear measurement sensor, includes fixing support, measures slider, first spring, second spring, first foil gage and second foil gage, wherein measure the slider upside be equipped with measure touch panel, downside and fixing support sliding connection, and measure slider one side through first spring with fixing support's first end connection, opposite side pass through the second spring with fixing support's second end connection, first end is equipped with the first foil gage that detects first spring deformation power, the second end is equipped with the second foil gage that detects second spring deformation power, and first foil gage and second foil gage are connected with the host computer through the circuit respectively.
Measure the slider both sides and all be equipped with the recess, just be equipped with the slider peg in the recess, the fixing support both ends all are equipped with the support peg, and first spring both ends and second spring both ends all are equipped with the couple, and first spring one end couple and second spring one end couple all stretch into to in the recess that corresponds the side on the measuring slider and articulate with the slider peg in the recess, first spring other end couple and second spring other end couple with the support peg that corresponds the side on the fixing support articulates.
The fixed support comprises a bottom plate at the middle part and vertical plates arranged at two ends of the bottom plate, a slide rail is arranged on the bottom plate, a slide groove matched with the slide rail is arranged at the lower side of the measuring slide block, and the first strain gauge and the second strain gauge are respectively arranged on the vertical plates on the corresponding sides of the fixed support.
The fixed support upside is equipped with two sets of buffering dust covers, and the measurement touch panel of measuring the slider upside stretches out between two sets of buffering dust covers.
The utility model has the advantages and positive effects that:
1. the utility model realizes the measurement of the moving distance according to the Hooke's law of the spring and the principle of the strain gauge, and the measurement is not limited by the environment any more because of adopting a purely mechanical measuring mechanism.
2. The utility model considers that the single data is not easy to be perceived after generating errors, so a double-channel data comparison mechanism is adopted, the accuracy of the measured distance is ensured through comparing two groups of data all the time, and the reliability of the measured result is further ensured.
3. The spring is simple in integral structure, the hooks are arranged at the two ends of the spring to realize hanging connection, the spring is convenient to disassemble and assemble, and the buffer protective cover is arranged on the upper side of the fixed support, so that the environment adaptability of the spring is further improved.
4. The utility model is suitable for multiple fields such as heavy industry, machine tools and the like, in particular to a working place with poor external environment.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic view of the structure of the present invention shown in figure 1 with the dust cover removed,
figure 3 is a schematic diagram of the structure of the present invention,
FIG. 4 is a schematic view of the detection process of the present invention.
Wherein, 1 is fixing support, 101 is support hanging post, 2 is the slide rail, 3 are measuring the slider, 301 are measuring the touch panel, 4 are slider hanging post, 5 are first spring, 6 are first foil gage, 7 are buffering dust cover, 8 are the second spring, 9 are the second foil gage, 10 are the host computer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention includes a fixed support 1, a measuring slider 3, a first spring 5, a second spring 8, a first strain gauge 6 and a second strain gauge 9, wherein the upper side of the measuring slider 3 is provided with a measuring touch plate 301, the lower side is connected with the fixed support 1 in a sliding manner, one side of the measuring slider 3 is connected with a first end portion of the fixed support 1 through the first spring 5, the other side of the measuring slider 3 is connected with a second end portion of the fixed support 1 through the second spring 8, the first end portion is provided with the first strain gauge 6 for detecting a deformation force of the first spring 5, the second end portion is provided with the second strain gauge 9 for detecting a deformation force of the second spring 8, the first strain gauge 6 and the second strain gauge 9 are respectively connected with an upper computer 10 through a circuit, and the upper computer 10 is a technology known in the art.
As shown in fig. 2, the two sides of the measuring slide block 3 are both provided with grooves, and the grooves are internally provided with slide block hanging columns 4, the two ends of the fixed support 1 are both provided with support hanging columns 101, the two ends of the first spring 5 and the two ends of the second spring 8 are both provided with hooks, and the hook at one end of the first spring 5 and the hook at one end of the second spring 8 are both extended into the groove corresponding to the side on the measuring slide block 3 and are hooked with the slide block hanging columns 4 in the grooves, and the hook at the other end of the first spring 5 and the hook at the other end of the second spring 8 are hooked with the support hanging columns 101 corresponding to the side on the fixed support 1.
As shown in fig. 2, the fixed support 1 is a concave shape as a whole, and includes a bottom plate at the middle and vertical plates disposed at two ends of the bottom plate, the bottom plate is provided with a slide rail 2, a slide groove disposed at the lower side of the measuring slider 3 is matched with the slide rail 2, and the first strain gauge 6 and the second strain gauge 9 are respectively mounted on the corresponding side vertical plates of the fixed support 1.
As shown in fig. 1 and 3, two sets of dust-proof buffers 7 may be disposed on the upper side of the fixed support 1, and the measuring touch plate 301 on the upper side of the measuring slider 3 may extend from between the two sets of dust-proof buffers 7, so as to protect the internal spring and other components from the external environment. The buffering dust cover 7 can adopt a structure such as a flexible corrugated pipe.
The working principle of the utility model is as follows:
as shown in FIG. 4, the utility model needs to be calibrated in zero position before use to make the measurement more accurate, and the utility model is horizontally placed to a static state during calibration, and then two sets of channel data are cleared by the controller of the upper computer 10, and then the measurement is started. When in measurement, the device to be measured touches the measuring touch plate 301 on the measuring slide block 3 and pushes the measuring slide block 3 to move, at the moment, the spring on one side is lengthened, the spring on the other side is shortened, which can cause the strain gauges on the vertical plates at the two ends of the fixed support 1 to slightly deform, the deformation force of the corresponding spring is detected through the micro deformation of the strain gauge, the deformation amount of the spring can be calculated and obtained according to Hooke's law, thereby obtaining the displacement distance of the measuring slide block 3, two groups of data can be obtained by two groups of springs, one group of stretching distance and one group of compressing distance, after the two groups of data are fed back to the upper computer 10, the upper computer 10 analyzes the errors of the two groups of data, when the error of the two groups of data is within the set range, the measured distance is considered to be accurate, the measured information is output, if the error of the two groups of data exceeds the set range, the measured distance is indicated to have an error, the system gives an alarm, and an operator needs to recalibrate the measurement. The utility model adopts a purely mechanical measuring mechanism, is not limited by environment any more, can be applied to various environments, and considers that single data is not easy to be perceived after error is generated, so a double-channel data comparison mechanism is adopted, the accuracy of the measured distance is ensured by comparing two groups of data all the time, and the reliability of the measured result is further ensured.
Claims (4)
1. A kind of double-channel straight line measures the sensor, characterized by that: comprises a fixed support (1), a measuring slide block (3), a first spring (5), a second spring (8), a first strain gage (6) and a second strain gage (9), wherein the upper side of the measuring slide block (3) is provided with a measuring touch plate (301), the lower side is connected with the fixed support (1) in a sliding way, one side of the measuring slide block (3) is connected with the first end part of the fixed support (1) through a first spring (5), the other side of the measuring slide block is connected with the second end part of the fixed support (1) through a second spring (8), the first end part is provided with a first strain gauge (6) for detecting the deformation force of the first spring (5), the second end part is provided with a second strain gauge (9) for detecting the deformation force of the second spring (8), and the first strain gauge (6) and the second strain gauge (9) are respectively connected with an upper computer (10) through lines.
2. The dual channel linear measurement sensor of claim 1, wherein: measure slider (3) both sides and all be equipped with the recess, just be equipped with slider peg (4) in the recess, fixing support (1) both ends all are equipped with support peg (101), and first spring (5) both ends and second spring (8) both ends all are equipped with the couple, and first spring (5) one end couple and second spring (8) one end couple all stretch into to measure in the recess that corresponds the side on slider (3) and articulate with slider peg (4) in the recess, first spring (5) other end couple and second spring (8) other end couple with support peg (101) of corresponding side on fixing support (1) articulate.
3. The dual channel linear measurement sensor of claim 1, wherein: the fixed support (1) comprises a bottom plate at the middle part and vertical plates arranged at two ends of the bottom plate, a sliding rail (2) is arranged on the bottom plate, a sliding groove matched with the sliding rail (2) is formed in the lower side of the measuring sliding block (3), and a first strain gauge (6) and a second strain gauge (9) are respectively arranged on the vertical plates on the corresponding sides of the fixed support (1).
4. The dual channel linear measurement sensor of claim 1, wherein: the upper side of the fixed support (1) is provided with two groups of buffering dust covers (7), and the measuring touch plate (301) on the upper side of the measuring slide block (3) extends out from the space between the two groups of buffering dust covers (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123222299.XU CN216523784U (en) | 2021-12-21 | 2021-12-21 | Double-channel linear measuring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123222299.XU CN216523784U (en) | 2021-12-21 | 2021-12-21 | Double-channel linear measuring sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216523784U true CN216523784U (en) | 2022-05-13 |
Family
ID=81503130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123222299.XU Active CN216523784U (en) | 2021-12-21 | 2021-12-21 | Double-channel linear measuring sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216523784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977255A (en) * | 2022-09-23 | 2023-04-18 | 北京固力同创工程科技有限公司 | Rubber shock insulation support capable of realizing displacement monitoring with six degrees of freedom |
-
2021
- 2021-12-21 CN CN202123222299.XU patent/CN216523784U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977255A (en) * | 2022-09-23 | 2023-04-18 | 北京固力同创工程科技有限公司 | Rubber shock insulation support capable of realizing displacement monitoring with six degrees of freedom |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103389205A (en) | Device for detecting comprehensive performance of ball screw assembly in loaded state | |
| US20060137204A1 (en) | Linear moving capacitive sensor twin column electronic height gauge | |
| CN102538678B (en) | Measurement device of scanning probe | |
| CN216523784U (en) | Double-channel linear measuring sensor | |
| CN104976982A (en) | Detection apparatus of T-shaped elevator guide rail | |
| CN102661707A (en) | Universal calibrating device for linear displacement | |
| CA1336532C (en) | Probe motion guiding device, position sensing apparatus and position sensing method | |
| CN207662374U (en) | Flatness detecting instrument | |
| CN101358830A (en) | Measuring device | |
| CN101358838B (en) | Measurement method for object appearance | |
| CN105180887A (en) | Wide span beam deflection deformation measuring method | |
| CN209181760U (en) | A kind of parallelism measuring apparatus based on double non-parallel face linear guides | |
| CN101476865B (en) | Bearing outside collar dustproof groove detection apparatus | |
| CN201909602U (en) | Workpiece distance detection device | |
| CN203375959U (en) | An elbow pipe angle detection device | |
| KR101952043B1 (en) | 6-axis baseplatform device with force/moment sensing capability | |
| CN211855257U (en) | Multifunctional detection device based on linear displacement sensor | |
| CN210375035U (en) | Flatness detection device | |
| CN204007511U (en) | Omnipotent screw measurement device | |
| CN202599340U (en) | Measuring apparatus for scanning type measuring head | |
| CN102967289B (en) | Device for calibrating static and dynamic characteristics of contact probe type contourgraph sensor | |
| CN109444468B (en) | Six-dimensional acceleration sensor based on micro-displacement parallel mechanism | |
| CN114018145A (en) | Wide-range two-dimensional micro-displacement sensor | |
| CN215297860U (en) | Attached displacement detection device of liquid crystal module | |
| CN111457875A (en) | Multifunctional detection method and device based on linear displacement sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |