CN219369936U - Proximity switch frequency tester - Google Patents

Abstract

The utility model discloses a proximity switch frequency tester, which comprises a proximity switch and a first base, wherein the proximity switch comprises a first base and a second base; the upper part of the first base is fixedly connected with a motor assembly and a plurality of counters through bolts; the motor assembly comprises a motor; the motor output rotating shaft side is connected with the encoder through a connecting component; the counter is positioned at one side of the encoder and counts when the motor drives the encoder to rotate; and a motor speed regulator is also arranged above the first base, and is used for regulating the rotating speed of the motor and displaying data. The tester adopts a small and exquisite high-precision encoder, the counter is used for displaying test data, the motor is used for adjusting the rotating speed of the motor through the speed regulator and displaying data, the oscilloscope and the counter are used for displaying measurement data during the proximity switch test, and the multi-scheme data measurement ensures the accuracy of product measurement; the device has the advantages of simple overall structure and strong practicability, and can be used for rapid measurement during mass production of the proximity switch.

Description

Proximity switch frequency tester

Technical Field

The utility model relates to the field of switch testing, in particular to a proximity switch frequency tester.

Background

Proximity switches, also known as contactless proximity switches, are ideal electronic switching value sensors. When the metal detection body approaches the induction area of the switch, the switch can be in non-contact, pressure-free, spark-free and rapid-sending electric instructions, and accurately reflects the position and the stroke of the movement mechanism, and even if the metal detection body is used for general stroke control, the positioning precision, the operating frequency, the service life, the convenience of installation and adjustment and the applicability to severe environments are incomparable with those of a general mechanical stroke switch. It is widely used in machine tool, metallurgy, chemical industry, light spinning and printing industries. The method can be used as a link of limiting, counting, positioning control, automatic protection and the like in an automatic control system. The proximity switch requires testing of its frequency before shipping.

The existing proximity switch frequency tester can finish the frequency test, but the error of the measured result is larger, the tester has frequency division, the tester with higher frequency is large in size, heavy and difficult to move and install, the manufacturing cost is high, and meanwhile, a protection device for a high-speed motor is absent; the common frequency tester is also large and immovable, and the test frequency is low, about 200 times/second.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a proximity switch frequency tester, which comprises a proximity switch and a first base; the upper part of the first base is fixedly connected with a motor assembly and a plurality of counters through bolts; the motor assembly includes a motor; the motor output rotating shaft side is connected with the encoder through a connecting component; the counter is positioned at one side of the encoder and counts when the motor drives the encoder to rotate; and a motor speed regulator is also arranged above the first base, and is used for regulating the rotating speed of the motor and displaying data.

Preferably: the motor assembly is externally provided with a protective cover assembly, the protective cover assembly comprises a hand-screwed bolt, and the proximity switch is fixed through the hand-screwed bolt.

Preferably: the connection assembly may be a coupling; the motor is mounted on the first bracket through bolts; the encoder is mounted on the second bracket through bolts; the first bracket and the second bracket are mounted on the first base through bolts.

Preferably: the motor assembly further comprises a wheel disc and a plurality of targets, the center of the wheel disc is slotted, and the wheel disc is fixed on a rotating shaft of the motor through a pin; offer the screw hole on the rim plate curved surface, the target design is the bolt form, the rim plate with a plurality of targets pass through screw hole and bolt cooperation connection.

Preferably: and a power supply is also arranged above the first base.

Preferably: the protective cover assembly further comprises a second base, and the second base is fixedly connected with the first base through bolts.

Preferably: the protective cover assembly further comprises a second functional plate, and the second functional plate is connected with the second base through two first functional plates in a supporting mode.

Preferably: and a third functional board is arranged below the second functional board, and is close to the motor to provide an environment for safely adjusting the height of the proximity switch.

Preferably: the protective cover assembly further comprises two fifth functional plates, the two fifth functional plates and the two first functional plates enclose a square shape, and the fifth functional plates can be made of transparent materials and are convenient to check the internal conditions.

Preferably: the two fifth function boards are supported and fixed through the fourth function board.

The utility model has the technical effects and advantages that:

reducing the volume of the tester while providing a high frequency test range; all parts are connected through bolts, the structure is tight, the installation and adjustment are easier, and the device parts can be flexibly replaced according to the test requirements of the proximity switch; in order to ensure the measurement accuracy, a small and exquisite high-precision encoder is adopted, the counter is used for displaying the test data, the motor is used for adjusting the rotating speed of the motor through the speed regulator and displaying the data, an oscilloscope and the counter are used for displaying the measurement data during the proximity switch test, and the multi-scheme data measurement ensures the accuracy of the product measurement; the device has the advantages of simple overall structure and strong practicability, and can be used for rapid measurement during mass production of the proximity switch.

Drawings

Fig. 1 is a schematic structural diagram of a proximity switch frequency tester according to an embodiment of the present application;

FIG. 2 is a top view of a proximity switching frequency tester provided in an embodiment of the present application;

FIG. 3 is a side view provided by an embodiment of the present application;

fig. 4 is a block diagram of a protective cover assembly provided in an embodiment of the present application.

In the figure:

1. a power supply; 2. a first base; 3. a motor assembly; 4. a proximity switch; 5. a protective cover assembly; 6. a motor speed regulator; 7. a counter; 301. a motor; 302. a first bracket; 303. a pin; 304. a wheel disc; 305. a target; 306. a coupling; 307. a second bracket; 308. an encoder; 501. a second base; 502. a first functional board; 503. a second function board; 504. screwing the bolt by hand; 505. a third functional board; 506. a fourth function board; 507. and a fifth function board.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1 to 3, in this embodiment, a proximity switch frequency tester is provided, including a first base 2, a plurality of groups of threaded holes are provided on the first base 2, and a motor assembly 3 is provided above the first base, specifically:

by fixedly mounting the first bracket 302 and the second bracket 307 through bolts, different threaded holes can be selected on the first base 2 for fixedly mounting according to actual conditions so as to adjust the distance between the two brackets.

The first bracket 302 is provided with a motor 301 by bolts, the motor 301 is selected according to actual measurement requirements, and in this embodiment, a high-speed motor is used in order to ensure high frequency measurement.

The encoder 308 is installed on the second bracket 307 through a bolt, in this embodiment, in order to ensure measurement accuracy, a small and exquisite high-precision encoder 308 is adopted, the encoder 308 is connected with a rotating shaft of the motor 301 through the coupling 306, the encoder 308 is driven to rotate when the motor 301 rotates, the first base 2 is also provided with a plurality of counters, the counters are located on one side of the encoder 308 and used for counting and displaying measurement data when the encoder 308 rotates, and multi-scheme data measurement ensures the accuracy of product measurement.

The rotary shaft of the motor 3 is further provided with a wheel disc 304 and a plurality of targets 305, the center of the wheel disc 304 is slotted, the rotary shaft of the motor 301 is fixed through a pin 303, a plurality of threaded holes are uniformly formed in the curved surface of the wheel disc 304, the targets 305 are designed into bolt shapes, the wheel disc 304 and the targets 305 are connected through the threaded holes and the bolts in a matched mode, in the embodiment, the wheel disc 304 is made of plastic materials, the targets 305 are square bolts, the targets can be directly screwed onto the plastic wheel disc 304, and the installation is simple and quick, and can be replaced according to actual detection requirements.

The first base 2 is also provided with a power supply 1 and a motor speed regulator 6 through bolts, the power supply 1 is used for supplying power to the motor 3, and the motor speed regulator 6 is used for controlling the rotating speed of the motor 3 and displaying motor rotating speed data.

Referring to fig. 4, a protective cover assembly 5 is disposed on a motor assembly 3, for ensuring the safety performance of the tester in use, the protective cover assembly 5 includes two second bases 501, the two second bases 501 are fixedly connected with a first base 2 through bolts, a first functional board 502 is fixed above the two second bases 501 respectively, the first functional board 502 is used for supporting a second functional board 503, the second functional board 503 is a top board of the protective cover assembly 5, a penetrating slot is formed in the middle of the second functional board, a proximity switch 4 is placed into the protective cover assembly 5 through the penetrating slot, and is fixed through a hand-screwed bolt 504, the proximity switch 4 can be locked fast by the hand-screwed bolt 504, and the installation state of the proximity switch 4 is fixed.

The proximity switch 4 below is provided with three third function boards 505, uses as the division board, and the effectual height of adjusting proximity switch 4 that can be safe when motor 3 high-speed operation has been guaranteed, and motor assembly 3 side is provided with two fifth function boards 507, as the curb plate, in this embodiment, fifth function board 507 adopts transparent material, conveniently looks over gear and proximity switch state, supports through two fourth function boards 506 and fixes on second base 501, still two fourth function board 506 supporting shoe set up between fourth function board 506 and third function board 505 for support.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims (10)

1. A proximity switch frequency tester comprising a proximity switch (4), characterized by a first base (2);

a motor assembly (3) and a plurality of counters (7) are fixedly connected above the first base (2) through bolts;

the motor assembly (3) comprises a motor (301);

the output rotating shaft side of the motor (301) is connected with an encoder (308) through a connecting component;

the counter (7) is positioned at one side of the encoder (308) and counts when the motor (301) drives the encoder (308) to rotate;

and a motor speed regulator (6) is further arranged above the first base (2), and is used for regulating the rotating speed of the motor (301) and displaying data.

2. A proximity switch frequency tester according to claim 1, characterized in that the motor assembly (3) is externally provided with a protective cover assembly (5), the protective cover assembly (5) comprising a hand-screwed bolt (504), the proximity switch (4) being fixed by the hand-screwed bolt (504).

3. A proximity switching frequency tester according to claim 1, characterized in that the connection assembly is a coupling (306); the motor (301) is mounted on the first bracket (302) through bolts; the encoder (308) is mounted on the second bracket (307) through bolts; the first bracket (302) and the second bracket (307) are mounted on the first base (2) through bolts.

4. A proximity switching frequency tester according to claim 1, wherein the motor assembly (3) further comprises a wheel (304) and a plurality of targets (305), the wheel (304) is slotted at the center of the circle and is fixed on the rotating shaft of the motor (301) by a pin (303); threaded holes are formed in the curved surface of the wheel disc (304), the targets (305) are designed to be in a bolt shape, and the wheel disc (304) and the targets (305) are connected through the threaded holes and the bolts in a matched mode.

5. A proximity switching frequency tester according to claim 1, characterized in that a power supply (1) is also mounted above the first base (2).

6. A proximity switching frequency tester according to claim 2, wherein the protective cover assembly (5) further comprises a second base (501), the second base (501) being fixedly connected to the first base (2) by means of bolts.

7. A proximity switching frequency tester according to claim 6, characterized in that the protective cover assembly (5) further comprises a second functional board (503), the second functional board (503) being supportingly connected to the second base (501) by two first functional boards (502).

8. A proximity switch frequency tester according to claim 7, characterized in that a third functional board (505) is arranged below the second functional board (503), the third functional board (505) being in close proximity to the motor (301) providing an environment for safely adjusting the height of the proximity switch (4).

9. The proximity switch frequency tester according to claim 8, wherein the protective cover assembly (5) further comprises two fifth functional boards (507) and the two first functional boards (502) are enclosed to form a square shape, and the fifth functional boards (507) can be made of transparent materials, so that the internal situation can be checked conveniently.

10. A proximity switching frequency tester according to claim 9, characterized in that the two fifth functional boards (507) are supported and fixed by a fourth functional board (506).