CN213633725U - Distance detection performance testing device of proximity switch - Google Patents
Distance detection performance testing device of proximity switch Download PDFInfo
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- CN213633725U CN213633725U CN202022196118.XU CN202022196118U CN213633725U CN 213633725 U CN213633725 U CN 213633725U CN 202022196118 U CN202022196118 U CN 202022196118U CN 213633725 U CN213633725 U CN 213633725U
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Abstract
The utility model discloses a distance detection performance testing device of a proximity switch, which comprises a supporting seat, a clamping piece, a micrometer and a target; the clamping piece and the micrometer are connected to the supporting seat, and the measuring end of the micrometer can be close to or far away from the clamping piece; the measuring end face of the micrometer is provided with a target, and a clamping port of the clamping piece corresponds to the target. The main measuring device of the utility model is a micrometer, firstly, the high precision of the micrometer is utilized, secondly, the knob of the micrometer is rotated to drive the target to axially advance, so that the advancing speed is uniform and slow, and the action point of the proximity switch is accurately captured, thereby accurately measuring the action distance and the release distance of the proximity switch; the utility model discloses simple structure, portable tests the proximity switch who uses fast that can be convenient to easy operation.
Description
Technical Field
The utility model belongs to the technical field of proximity switch capability test, concretely relates to proximity switch's distance detection capability test device.
Background
The proximity switch is a position switching sensor which can be operated without mechanical contact with a moving part, and when the sensing surface of the object proximity switch reaches an action distance, the switch can be actuated without mechanical contact and any pressure, so that an alternating current or direct current electric appliance is driven or a control instruction is provided for a computer device. The sensor has the characteristics of a travel switch and a microswitch, has sensing performance, and has the characteristics of reliable action, stable performance, fast frequency response, long service life, strong anti-interference capability and the like, and has the characteristics of water resistance, shock resistance, corrosion resistance and the like, so the sensor is widely applied to industrial production, such as product counting on a production line, position detection and positioning of moving parts, rotating speed measurement of rotating bodies and the like. In order to test whether the induction gap distance of the proximity switch deviates from the rated distance after the proximity switch works for a long time, the counting accuracy in the counting work and the like, the action distance, the release distance, the return difference and the repeatability accuracy of the proximity switch need to be accurately and quickly tested.
Disclosure of Invention
Not enough to prior art exists, the utility model aims at providing a proximity switch's distance detection capability test device solves the problem that current detection device structure is complicated, complex operation, portability are poor.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a distance detection performance testing device of a proximity switch comprises a supporting seat, a clamping piece, a micrometer and a target; the clamping piece and the micrometer are connected to the supporting seat, and the measuring end of the micrometer can be close to or far away from the clamping piece; the micrometer is characterized in that a target is arranged on the end face of the measuring end of the micrometer, and a clamping port of the clamping piece corresponds to the target.
Specifically, the supporting seat comprises a base, a bracket and an L-shaped fixing plate, a long-strip-shaped groove is formed in the base, and the bottom of a micrometer frame of the micrometer is clamped in the long-strip-shaped groove and fixed on the base through the L-shaped fixing plate;
the support is connected to a micrometer frame of the micrometer, the clamping piece is fixed to the support, a first arc-shaped surface is arranged on the clamping piece, a second arc-shaped surface is arranged on the support, the first arc-shaped surface and the second arc-shaped surface form a circular cavity, and the end face of the circular cavity is consistent with the axial direction of the target.
Specifically, the target is a circular metal sheet, and clamping jaws are arranged on the periphery of the circular metal sheet.
Specifically, the clamping piece comprises two clamping plates and a torsion spring connected between the two clamping plates, wherein one clamping plate is fixed on the supporting seat.
Further, a handle is arranged at the knob end of the micrometer.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the measurement accuracy is high: the utility model discloses a main measuring instrument is the micrometer, has at first utilized the high accuracy nature of micrometer, and secondly is advanced by the rotatory target axial that drives of micrometer knob, makes the speed of travel even slowly, and then catches the accuracy to the action point of proximity switch to carry out accurate measurement to proximity switch's action distance and release distance.
(2) The utility model discloses a testing arrangement simple structure, portable tests the proximity switch who uses fast that can be convenient to easy operation.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
Fig. 1 is a schematic structural diagram of a test apparatus according to an embodiment of the present invention.
Fig. 2 is a side view of the testing device.
Fig. 3 is a schematic view of a test apparatus with proximity switches installed.
The reference numerals in the figures denote:
1-a supporting seat, 2-a clamping piece, 3-a micrometer, 4-a target, 5-a handle and 6-a proximity switch;
101-base, 102-bracket, 103-L-shaped fixing plate, 104-second arc surface;
201-a first arc-shaped face;
301-measuring end, 302-knob end, 303-ruler frame;
401-jaws.
The following detailed description of the present invention is provided in connection with the accompanying drawings and the detailed description of the invention.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, bottom, top" and "lower" generally refer to the definition in the drawing figures of the accompanying drawings, and "inner and outer" refer to the inner and outer contours of the corresponding parts.
A specific embodiment of the utility model discloses a proximity switch's distance detection capability test device, the device mainly carries out accurate quick test to proximity switch's action distance, release distance, return difference and repeatability precision. As shown in fig. 1, the device comprises a support base 1, a clamping piece 2, a micrometer 3 and a target 4.
The micrometer is a measuring unit of the device, is a common micrometer in the market and mainly comprises a measuring end 301, a knob end 302 and a toothed rack 303, wherein the knob end rotates for a circle, and the measuring end 301 axially moves for a certain distance. The micrometer adopted in the embodiment is 75-100 in external diameter, and the axial movement distance of the target is 0.5mm after the micrometer rotates one circle.
The clamping member 2 is used for clamping a proximity switch 6 to be tested, a clamping port of the clamping member 2 corresponds to the target 4, and after the proximity switch 6 is clamped in the clamping member 2, the axial directions of the proximity switch 6 and the target 4 are consistent, as shown in fig. 3.
The utility model discloses a supporting seat 1 includes base 101, support 102 and L type fixed plate 103, is provided with rectangular form fluting on the base 101, and the chi frame 303 bottom of micrometer clamps in rectangular form fluting to fix on base 101 through L type fixed plate 103. Specifically, two ends of the L-shaped fixing plate 103 are respectively fixed to the base 101 and the micrometer frame 303 of the micrometer by bolts. The bracket 102 is connected to a micrometer frame 303 of the micrometer and is fixed through bolts; the clamping element 2 is fixed to the carrier 102, in particular also by means of bolts. In this embodiment, the base 101 is specifically a flange, and the bracket 102 is a metal plate.
In order to improve the clamping stability of the clamping member 2, a section of first arc-shaped surface 201 is arranged on the clamping member 2, a section of second arc-shaped surface 104 is also arranged on the bracket 102, the first arc-shaped surface 201 and the second arc-shaped surface 104 form a circular cavity, and the end surface of the circular cavity is axially consistent with the target 4, as shown in fig. 2.
In this embodiment, the clamping member 2 is composed of two clamping plates and a torsion spring connected between the two clamping plates, and is a common clip in the market at present, the clamping opening of the clamping plate at one end is cut off, only one end connected with the torsion spring is reserved, and then one end connected with the torsion spring is fixed on the bracket 102 by using a bolt.
To facilitate rotation of the micrometer 3, a handle 5 is provided at the knob end 302 of the micrometer, as shown in fig. 1. Specifically, the handle 5 in this embodiment is a circular ring at one end, which is fitted over the knob end 302 of the micrometer and fixed by a bolt.
During the test, proximity switch 6 links with the frequency tester, make it can normally work, the handle 5 of rotatory micrometer 3, make target 4 slowly move to proximity switch 6 along proximity switch 6's axial, when proximity switch 6 moves, record micrometer scale reading a back, continue to slowly move target 4 and make its terminal surface and proximity switch 6's terminal surface contact, record micrometer scale reading b, reverse movement micrometer 3 again, make target 4 keep away from proximity switch 6, when proximity switch 6 moves once more, record micrometer scale reading c, the test is accomplished.
The absolute value of the difference between the reading a and the reading b is the action distance of the proximity switch, the absolute value of the difference between the reading b and the reading c is the release distance, and the absolute value of the difference between the action distance and the release distance is the return difference. Repeating the measurement process for 10 times, wherein the absolute value of the difference between the maximum value and the minimum value of each item of data is the repeatability error of each item of test.
Following the adoption of giving the utility model discloses a device is to the proximity switch's of two kinds of models performance test result of difference:
the test adopts two proximity switches with the same model, wherein one is a brand new proximity switch, the other is an old used proximity switch, the rated working distance is 4mm, the distance test result is shown in a table, and the data in the table is the average value of ten times of tests.
TABLE 1 test results
| Sensor model | Distance of motion | Release distance | Return difference |
| Novel approach switch | 3.95mm | 4.93mm | 0.98mm |
| Old proximity switch | 2.1mm | 3.1mm | 1.00mm |
According to the experimental result, it can be obviously obtained that the working distance and the release distance of the old proximity switch have larger errors with the rated distance.
In the above description, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be understood broadly, and may be, for example, fixedly connected or detachably connected or integrated; either a direct connection or an indirect connection, and the like. The specific meaning of the above terms in the present technical solution can be understood by those of ordinary skill in the art according to specific situations.
The various features described in the foregoing detailed description can be combined in any suitable manner without departing from the spirit of the invention, and should also be construed as disclosed in the invention.
Claims (5)
1. A distance detection performance testing device of a proximity switch is characterized by comprising a supporting seat (1), a clamping piece (2), a micrometer (3) and a target (4);
the clamping piece (2) and the micrometer (3) are both connected to the supporting seat (1), and the measuring end (301) of the micrometer can be close to or far away from the clamping piece (2); a target (4) is arranged on the end face of the measuring end (301) of the micrometer, and a clamping port of the clamping piece (2) corresponds to the target (4).
2. The distance detection performance testing device of the proximity switch according to claim 1, wherein the supporting base (1) comprises a base (101), a bracket (102) and an L-shaped fixing plate (103), the base (101) is provided with an elongated slot, the bottom of the micrometer holder (303) is clamped in the elongated slot and fixed on the base (101) through the L-shaped fixing plate (103);
the support (102) is connected to a micrometer frame (303) of a micrometer, the clamping part (2) is fixed to the support (102), a section of first arc-shaped surface (201) is arranged on the clamping part (2), a section of second arc-shaped surface (104) is arranged on the support (102), the first arc-shaped surface and the second arc-shaped surface form a circular cavity, and the end face of the circular cavity is consistent with the axial direction of the target (4).
3. The proximity switch distance detection performance testing device according to claim 1, wherein the target (4) is a circular metal sheet, and the periphery of the circular metal sheet is provided with clamping jaws (401).
4. The distance detecting performance testing device of a proximity switch according to claim 1, wherein the clamping member (2) comprises two clamping plates and a torsion spring connected between the two clamping plates, one of the clamping plates being fixed to the support base (1).
5. The proximity switch distance detection performance testing device according to claim 1, wherein a knob end (302) of the micrometer is provided with a handle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022196118.XU CN213633725U (en) | 2020-09-29 | 2020-09-29 | Distance detection performance testing device of proximity switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022196118.XU CN213633725U (en) | 2020-09-29 | 2020-09-29 | Distance detection performance testing device of proximity switch |
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| CN213633725U true CN213633725U (en) | 2021-07-06 |
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| CN202022196118.XU Active CN213633725U (en) | 2020-09-29 | 2020-09-29 | Distance detection performance testing device of proximity switch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391205A (en) * | 2021-07-19 | 2021-09-14 | 德丰电创科技股份有限公司 | Device and system for verifying immunity of constant magnetic field |
| CN113917325A (en) * | 2021-12-16 | 2022-01-11 | 山东天大清源信息科技有限公司 | Proximity switch detection device and detection method thereof |
-
2020
- 2020-09-29 CN CN202022196118.XU patent/CN213633725U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391205A (en) * | 2021-07-19 | 2021-09-14 | 德丰电创科技股份有限公司 | Device and system for verifying immunity of constant magnetic field |
| CN113917325A (en) * | 2021-12-16 | 2022-01-11 | 山东天大清源信息科技有限公司 | Proximity switch detection device and detection method thereof |
| CN113917325B (en) * | 2021-12-16 | 2022-05-06 | 山东天大清源信息科技有限公司 | Proximity switch detection device and detection method thereof |
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