CN217820665U

CN217820665U - Withstand voltage testing device of photoelectric coupler

Info

Publication number: CN217820665U
Application number: CN202220722477.0U
Authority: CN
Inventors: 向玉双; 孔天午; 王慧卉
Original assignee: Hunan Siweite Technology Co ltd
Current assignee: Hunan Siweite Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-11-15
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a photoelectric coupler's high-voltage insulation test device relates to coupler technical field, the utility model discloses a test cabinet, test cabinet's inside is connected with the coupler main part through supporting the subassembly, test cabinet's inside is connected with the high-voltage insulation tester through slowly propping the subassembly, support the subassembly and include mount, screw rod, fixed plate, lifter plate and rotation round platform, slowly prop the subassembly and include backup pad, slide bar and spring, the activity is provided with the backup pad between two relative inner walls in inside of test cabinet, the top of the both sides top of backup pad is all worn to be equipped with slide bar high-voltage insulation tester and is inlayed in the top center department of backup pad. The utility model relates to a withstand voltage test device of optoelectronic coupler makes things convenient for coupler main part and withstand voltage tester to be connected the installation, accomplishes the withstand voltage test of coupler main part, has improved the withstand voltage test efficiency of coupler main part, the situation that appears damaging when can avoiding installing plays the effect that the buffering supported, has improved the withstand voltage test effect of coupler main part.

Description

Withstand voltage testing device of photoelectric coupler

Technical Field

The utility model relates to a coupler technical field, in particular to optoelectronic coupler's withstand voltage testing arrangement.

Background

The photoelectric coupler is an electric-to-optical-to-electric conversion device for transmitting electric signals by using light as a medium. It is composed of two parts of luminous source and light receiver. The light source and the light receiver are assembled in the same closed shell and are isolated from each other by a transparent insulator. The pin of the light source is an input end, the pin of the light receiver is an output end, the common light source is a light emitting diode, and the light receiver is a photosensitive diode, a phototriode and the like.

The withstand voltage tester may be called an electrical insulation strength tester, a dielectric strength tester, or the like according to its function. The working principle is as follows: a voltage higher than the normal working voltage is applied to the insulator of the tested device for a specified time, and the voltage applied to the insulator only generates small leakage current, so that the insulation is good. The program control power module, the signal acquisition conditioning module and the computer control system form a test system. 2 indexes of the pressure resistance instrument are selected: the maximum output voltage value and the maximum alarm current value.

In the existing market, the voltage withstand test device of the existing photoelectric coupler does not have a buffering supporting structure when testing the coupler, and is often damaged due to installation of the coupler, so that the test of the photoelectric coupler is influenced, the test efficiency and quality are reduced, and therefore, the voltage withstand test device of the photoelectric coupler is necessary to be provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a withstand voltage test device of optoelectronic coupler, can effectively solve the withstand voltage test device of current optoelectronic coupler in the background art, when testing the coupler, do not possess the structure that the buffering supported, often lead to damaging because of the installation of coupler to influenced optoelectronic coupler's test, reduced the efficiency of test and the problem of quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a withstand voltage testing device of a photoelectric coupler comprises a testing cabinet, wherein the interior of the testing cabinet is connected with a coupler main body through a pressing component, and the interior of the testing cabinet is connected with a withstand voltage tester through a slow supporting component;

the pressing assembly comprises a fixing frame, a screw rod, fixing plates, a lifting plate and a rotating circular table, the fixing frame is fixedly connected to the top of the test cabinet, the screw rod is movably arranged at the top of the fixing frame, the two fixing plates are symmetrically and fixedly connected to the inside of the test cabinet, the lifting plate is movably arranged between the fixing plates, the rotating circular table is fixedly connected to the bottom of the screw rod, and the coupler main body is installed at the bottom of the lifting plate;

the slow supporting component comprises a supporting plate, a sliding rod and a spring, the supporting plate is movably arranged between two opposite inner walls of the test cabinet, the sliding rod is arranged at the tops of the two sides of the supporting plate in a penetrating mode, the spring is sleeved at the bottom, located on the supporting plate, of the outer peripheral face of the sliding rod, and the pressure tester is embedded in the center of the top of the supporting plate.

Preferably, the top of the withstand voltage tester is provided with a mounting groove, and pin contact holes are symmetrically formed in two sides of the bottom of the mounting groove.

Preferably, a screw hole penetrates through the center of the top of the fixing frame, the screw rod penetrates through the screw hole and is in threaded connection with the fixing frame, a rotating groove is formed in the lifting plate, and the rotating circular truncated cone is movably arranged in the rotating groove.

Preferably, a first sliding groove is formed in one side of the fixing plate, and two ends of the lifting plate are movably arranged in the first sliding groove and slide in the first sliding groove.

Preferably, the second spout has all been seted up to two inner walls that the inside of test cabinet is relative, the quantity of slide bar has two, two the slide bar is vertical state fixed connection in the inside of second spout, the both ends of backup pad all activity sets up in the inside of second spout.

Preferably, the preceding terminal surface of test cabinet articulates through the hinge has the cabinet door, the cabinet door is double open structure, draw groove has been seted up to preceding terminal surface one side center department of cabinet door.

Preferably, the withstand voltage tester and the coupler main body are located on the same vertical plane, the cross section size of the installation groove is larger than that of the coupler main body, and the number of the pin contact holes is consistent with that of the pins on the coupler main body.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, support through setting up and press the subassembly, at first install the coupler main part in the bottom of lifter plate, then move the screw rod through twisting, the screw rod passes through the screw and slowly descends on the mount, the in-process that descends rotates the inside rotation of groove through rotating the round platform, make the lifter plate slowly descend between the fixed plate through first spout, drive the inside completion installation that the coupler main part descends and gets into the mounting groove, so that the coupler main part is connected the installation with the withstand voltage tester, accomplish the withstand voltage test of coupler main part, the withstand voltage test efficiency of coupler main part has been improved.

2. The utility model discloses in, through the slow subassembly that props that sets up, when the coupler main part is installed through pressing the subassembly, the stitch of coupler main part gets into the inside of stitch contact hole, apply for the certain pressure of withstanding voltage tester, the backup pad is given in pressure transmission, make the backup pad descend in the inside slip of slide bar and second spout, and make the spring compress at the outer peripheral face of slide bar, form certain buffering effect, avoid the too big damage that causes coupler main part and withstanding voltage tester of pressure, the situation that damages appears when can avoiding installing, play the effect that the buffering supported, make things convenient for the installation and the test of coupler main part, the withstand voltage test effect of coupler main part has been improved.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a withstand voltage testing device of a photoelectric coupler according to the present invention;

fig. 2 is a schematic view of a front view internal cross-sectional structure of a withstand voltage testing device of a photoelectric coupler according to the present invention;

fig. 3 is a schematic view of a top view structure of a withstand voltage tester of the withstand voltage testing device of the photoelectric coupler of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 2 of a withstand voltage testing apparatus of a photoelectric coupler according to the present invention;

fig. 5 is a schematic diagram of an explosion structure of a pressure-proof testing device of a photoelectric coupler according to the present invention.

In the figure: 1. a test cabinet; 2. a coupler body; 3. a withstand voltage tester; 4. a fixed mount; 5. a screw; 6. a fixing plate; 7. a lifting plate; 8. rotating the circular truncated cone; 9. a support plate; 10. a slide bar; 11. a spring; 12. mounting grooves; 13. pin contact holes; 14. a screw hole; 15. a rotating groove; 16. a first chute; 17. A second chute; 18. a cabinet door; 19. and (6) groove drawing.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention relates to a withstand voltage testing apparatus for a photoelectric coupler, which includes a testing cabinet 1, wherein the interior of the testing cabinet 1 is connected to a coupler main body 2 through a pressing component, and the interior of the testing cabinet 1 is connected to a withstand voltage tester 3 through a slow-support component;

the pressing component comprises a fixing frame 4, a screw rod 5, fixing plates 6, a lifting plate 7 and a rotating circular truncated cone 8, the fixing frame 4 is fixedly connected to the top of the test cabinet 1, the screw rod 5 is movably arranged at the top of the fixing frame 4, the two fixing plates 6 are symmetrically and fixedly connected to the inside of the test cabinet 1, the lifting plate 7 is movably arranged between the fixing plates 6, the rotating circular truncated cone 8 is fixedly connected to the bottom of the screw rod 5, and the coupler main body 2 is installed at the bottom of the lifting plate 7;

the slow supporting component comprises a supporting plate 9, a sliding rod 10 and a spring 11, the supporting plate 9 is movably arranged between two inner walls opposite to the inside of the test cabinet 1, the sliding rod 10 is arranged at the tops of the two sides of the supporting plate 9 in a penetrating mode, the spring 11 is sleeved on the bottom, located at the supporting plate 9, of the outer peripheral face of the sliding rod 10, and the pressure tester 3 is embedded in the center of the top of the supporting plate 9.

Mounting groove 12 has been seted up at the top of withstanding voltage tester 3, and stitch contact hole 13 has been seted up to the equal symmetry in bottom both sides of mounting groove 12, and the installation of being connected between coupler main part 2 of being convenient for and withstanding voltage tester 3 makes the stitch get into the inside completion electric connection of stitch contact hole 13, makes things convenient for withstanding voltage tester 3 to carry out withstand voltage test to coupler main part 2.

The top center department of mount 4 runs through and has seted up screw 14, and screw rod 5 runs through screw 14 and is threaded connection with mount 4, and rotation groove 15 has been seted up to lifter plate 7's inside, rotates the activity of round platform 8 and sets up in the inside of rotating groove 15, can make screw rod 5 pivoted simultaneously, rotates in the inside of rotating groove 15 through rotating round platform 8, makes lifter plate 7 can sharp lift.

First spout 16 has been seted up to one side of fixed plate 6, and the both ends of lifter plate 7 all move about and set up in the inside of first spout 16, and slide in the inside of first spout 16.

Second spout 17 has all been seted up to two inner walls that the inside of test cabinet 1 is relative, slide bar 10's quantity has two, two slide bars 10 are vertical state fixed connection in the inside of second spout 17, the equal activity in both ends of backup pad 9 sets up in the inside of second spout 17, backup pad 9 is given in pressure transmission, make backup pad 9 descend in the inside slip of slide bar 10 and second spout 17, and make spring 11 compress at the outer peripheral face of slide bar 10, form certain buffering effect.

The preceding terminal surface of test cabinet 1 articulates through the hinge has cabinet door 18, and cabinet door 18 is double open structure, and draw groove 19 has been seted up to preceding terminal surface one side center department of cabinet door 18.

The withstand voltage tester 3 and the coupler main body 2 are located on the same vertical plane, the cross section size of the installation groove 12 is larger than that of the coupler main body 2, and the number of the pin contact holes 13 is consistent with that of the pins on the coupler main body 2.

The utility model discloses a theory of operation does: when the coupler body 2 is installed through the abutting assembly, pins of the coupler body 2 enter the inside of the contact hole 13 and are applied to the pressure-resistant tester 3 with certain pressure, the pressure is transmitted to the supporting plate 9, the supporting plate 9 slides and descends in the sliding rod 10 and the second sliding groove 17, the spring 11 is compressed on the outer peripheral surface of the sliding rod 10 to form a certain buffering effect, damage to the coupler body 2 and the pressure-resistant tester 3 due to excessive pressure is avoided, the pressure-resistant supporting effect is achieved, the coupler body 2 is convenient to install, the coupler body 2 and the pressure-resistant tester 2 are improved, and the coupling testing effect of the coupler body 2 is improved.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a withstand voltage testing arrangement of optoelectronic coupler which characterized in that: the testing device comprises a testing cabinet (1), wherein the interior of the testing cabinet (1) is connected with a coupler main body (2) through a pressing component, and the interior of the testing cabinet (1) is connected with a withstand voltage tester (3) through a slow supporting component;

the pressing component comprises a fixing frame (4), a screw rod (5), fixing plates (6), a lifting plate (7) and a rotating circular table (8), the fixing frame (4) is fixedly connected to the top of the test cabinet (1), the screw rod (5) is movably arranged at the top of the fixing frame (4), the two fixing plates (6) are symmetrically and fixedly connected to the inside of the test cabinet (1), the lifting plate (7) is movably arranged between the fixing plates (6), the rotating circular table (8) is fixedly connected to the bottom of the screw rod (5), and the coupler main body (2) is installed at the bottom of the lifting plate (7);

the slow supporting assembly comprises a supporting plate (9), a sliding rod (10) and a spring (11), wherein the supporting plate (9) is movably arranged between two opposite inner walls inside the test cabinet (1), the sliding rod (10) is arranged at the tops of the two sides of the supporting plate (9) in a penetrating mode, the spring (11) is sleeved at the bottom, located on the supporting plate (9), of the outer peripheral surface of the sliding rod (10), and the pressure tester (3) is embedded in the center of the top of the supporting plate (9).

2. A withstand voltage testing device of a photocoupler according to claim 1, characterized in that: the testing device is characterized in that a mounting groove (12) is formed in the top of the pressure tester (3), and pin contact holes (13) are symmetrically formed in two sides of the bottom of the mounting groove (12).

3. A withstand voltage testing device of a photocoupler as described in claim 1, characterized in that: the top center department of mount (4) runs through and has seted up screw (14), screw rod (5) run through screw (14) and are threaded connection with mount (4), rotation groove (15) have been seted up to the inside of lifter plate (7), it sets up in the inside of rotating groove (15) to rotate round platform (8) activity.

4. A withstand voltage testing device of a photocoupler according to claim 1, characterized in that: first spout (16) have been seted up to one side of fixed plate (6), the both ends of lifter plate (7) are all movable to be set up in the inside of first spout (16), and slide in the inside of first spout (16).

5. A withstand voltage testing device of a photocoupler according to claim 1, characterized in that: second spout (17) have all been seted up to two inner walls that the inside of test cabinet (1) is relative, the quantity of slide bar (10) has two, two slide bar (10) are vertical state fixed connection in the inside of second spout (17), the both ends of backup pad (9) are all movable and are set up in the inside of second spout (17).

6. A withstand voltage testing device of a photocoupler according to claim 1, characterized in that: the front end face of the test cabinet (1) is hinged to a cabinet door (18) through a hinge, the cabinet door (18) is of a double-open structure, and a pull groove (19) is formed in the center of one side of the front end face of the cabinet door (18).

7. A withstand voltage testing device of a photocoupler as claimed in claim 2, characterized in that: the withstand voltage tester (3) and the coupler main body (2) are located on the same vertical face, the cross section size of the mounting groove (12) is larger than that of the coupler main body (2), and the number of the pin contact holes (13) is consistent with that of pins on the coupler main body (2).