CN216411545U

CN216411545U - Interturn voltage withstand test voltage calibration device

Info

Publication number: CN216411545U
Application number: CN202122865419.1U
Authority: CN
Inventors: 李检忠
Original assignee: Dongguan Dien Detection Co ltd
Current assignee: Dongguan Dien Detection Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-29
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a voltage calibration device for turn-to-turn voltage withstand test, which relates to the field of calibration devices and comprises a shell, a wiring hole, a sealing plate, a signal receiving and transmitting tube and a component shell, wherein the inner wall of the shell is provided with a mounting groove, the sealing plate is connected with the mounting groove in a sliding manner, and one side of the top of the shell is provided with a dismounting component.

Description

Interturn voltage withstand test voltage calibration device

Technical Field

The utility model relates to the field of calibration devices, in particular to a voltage calibration device for turn-to-turn voltage withstand test.

Background

At present, no metering calibration instrument with unified standard exists in an interturn voltage resistance tester, and each metering calibration mechanism adopts a method of combining a high-voltage attenuation probe and an oscilloscope to perform metering calibration work.

The shell of the existing calibrating device is mostly fixed by a plurality of screws, when the device needs to be overhauled, the screws need to be disassembled one by one, the operation is complex, the working efficiency is low, secondly, the device can generate heat during working, if the heat is not dissipated in time, the service life of the device can be influenced, the heat dissipation structure of the existing device is single, a small fan and a dust screen are generally adopted for heat dissipation, the heat dissipation effect is poor, and the dust screen is easy to block.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide a turn-to-turn voltage withstand test voltage calibration device to solve the technical problems of inconvenient maintenance and poor heat dissipation effect.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a turn-to-turn withstand voltage test voltage calibration device, includes casing, wiring hole, closing plate, signal transceiver tube and components and parts the mounting groove has been seted up to the inner wall of casing, just closing plate and mounting groove sliding connection, top one side of casing is provided with the dismouting subassembly, the dismouting subassembly is including the spacing groove that is located closing plate top one side, the inside of casing is provided with radiator unit, radiator unit is including the dust screen that is located the casing bottom.

Further, the dismouting subassembly is still including the pressing plate, the bottom of pressing plate is connected with the top of casing through the spring, the both ends of pressing plate are articulated to have a seesaw, it has the bracing piece to articulate in the middle of the bottom of seesaw, the one end of seesaw articulates there is the gag lever post, just gag lever post and spacing groove looks adaptation.

Through adopting above-mentioned technical scheme, during the maintenance, the staff exerts pressure in the pressure board to this makes the seesaw drive gag lever post and spacing groove break away from, thereby the closing plate of being convenient for is dismantled.

Furthermore, the heat dissipation assembly further comprises a servo motor, an output end of the servo motor is connected with a bidirectional screw rod, two sides of the outer surface of the bidirectional screw rod are respectively provided with a threaded block, a fan is installed at the top of the threaded block, and a knocking ball is fixed in the middle of the outer surface of the bidirectional screw rod through a connecting rope.

Through adopting above-mentioned technical scheme, servo motor's positive and negative drive for the screw thread piece drives fan reciprocating motion about on two-way lead screw, improves the radiating effect.

Furthermore, supporting blocks are fixed at four corners of the bottom of the shell and are made of rubber materials.

Through adopting above-mentioned technical scheme, the supporting shoe of rubber materials can play skid-proof effect for the device is put stably, and has certain shock attenuation effect, can avoid the device to shake too big and damage when putting down.

Furthermore, the knocking balls are provided with three groups, and the three groups of knocking balls are made of silica gel materials.

Through adopting above-mentioned technical scheme, the ball of strikeing of silica gel material can shake the dust screen, also has certain compliance, avoids the dust screen to damage.

Further, a protective cover is hinged to the middle of the outer surface of the shell.

Through adopting above-mentioned technical scheme, the protective cover can protect control button and display screen, avoids the mistake to touch or scrapes the condition of flower and takes place.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, through the arrangement of the dismounting assembly, when the device is damaged and needs to be overhauled, a worker firstly presses the pressing plate with a palm to enable the spring to contract, the pressing plate moves downwards to drive one end of the seesaw rod to move downwards, and then the other end of the seesaw rod drives the limiting rod to move upwards, so that the limiting rod is separated from the limiting groove, and then the worker takes out the sealing plate from the mounting groove to overhaul the device, so that the dismounting is convenient, a plurality of bolts do not need to be dismounted, and the overhauling efficiency is greatly improved;

2. according to the utility model, the heat dissipation assembly is arranged, when the device works, the servo motor rotates to enable the bidirectional screw rod to regularly and positively rotate, so that the two groups of thread blocks perform reciprocating linear motion on the bidirectional screw rod, the thread blocks move to enable the fan to move, and the fan can comprehensively and uniformly dissipate heat inside the device.

Drawings

FIG. 1 is a schematic view of a housing of the present invention;

FIG. 2 is a schematic view of the structure of the mounting groove of the present invention;

FIG. 3 is a schematic structural diagram of a heat dissipation assembly according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a protective cover; 3. a wiring hole; 4. a sealing plate; 5. a signal receiving and transmitting tube; 6. disassembling and assembling the components; 601. a pressing plate; 602. a limiting groove; 603. a spring; 604. a support bar; 605. a seesaw rod; 606. a limiting rod; 7. mounting grooves; 8. a component; 9. a heat dissipating component; 901. a servo motor; 902. a bidirectional screw rod; 903. a thread block; 904. connecting ropes; 905. knocking and hitting the ball; 906. a dust screen; 907. a fan; 10. and (7) a supporting block.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A turn-to-turn withstand voltage test voltage calibration device comprises a shell 1, a wiring hole 3, a sealing plate 4, a signal receiving and transmitting tube 5 and a component 8, wherein the inner wall of the shell 1 is provided with a mounting groove 7, the sealing plate 4 is in sliding connection with the mounting groove 7, one side of the top of the shell 1 is provided with a dismounting component 6, the dismounting component 6 comprises a limiting groove 602 positioned on one side of the top of the sealing plate 4, the dismounting component 6 also comprises a pressing plate 601, the bottom of the pressing plate 601 is connected with the top of the shell 1 through a spring 603, two ends of the pressing plate 601 are hinged with seesaw rods 605, the middle of the bottoms of the seesaw rods 605 is hinged with a supporting rod 604, one end of the seesaw rods 605 is hinged with a limiting rod 606, the limiting rod 606 is matched with the limiting groove 602, when in maintenance, a worker presses the pressing plate 601 so as to enable the seesaw rods 605 to drive the limiting rods 606 to be separated from the limiting groove 602, thereby facilitating the dismounting of the sealing plate 4, the inside of casing 1 is provided with radiator unit 9, radiator unit 9 is including the dust screen 906 that is located the 1 bottom of casing, radiator unit 9 is still including servo motor 901, servo motor 901's output is connected with two-way lead screw 902, two-way lead screw 902's surface both sides are provided with screw block 903 respectively, fan 907 is installed at screw block 903's top, be fixed with through connecting rope 904 in the middle of two-way lead screw 902's the surface and strike the batting 905, servo motor 901's positive and negative drive, make screw block 903 drive fan 907 left and right sides reciprocating motion on two-way lead screw 902, and the heat dissipation effect is improved.

Referring to fig. 1, 2 and 4, the supporting blocks 10 are fixed at four corners of the bottom of the casing 1, the supporting blocks 10 are made of rubber materials, and the supporting blocks 10 made of rubber materials can play a role in skid resistance, so that the device is stably placed, has a certain damping effect, and can be prevented from being damaged due to overlarge vibration when being put down.

Referring to fig. 1, 2 and 4, the knocking ball 905 is provided with three groups, the three groups of knocking balls 905 are made of silica gel materials, and the knocking ball 905 made of silica gel materials can vibrate the dust screen 906 and has certain flexibility, so that the dust screen 906 is prevented from being damaged.

Referring to fig. 1-3, a protective cover 2 is hinged to the middle of the outer surface of the housing 1, and the protective cover 2 can protect the operation button and the display screen, so as to avoid the occurrence of accidental touch or scratching.

The implementation principle of the embodiment is as follows: firstly, a worker puts the device well, then switches on a power supply, then connects a detected instrument with the device well, and finally performs operation detection, when the device works, the servo motor 901 rotates to enable the bidirectional screw rod 902 to regularly rotate in a positive and negative way, so that two groups of thread blocks 903 make reciprocating linear motion on the bidirectional screw rod 902, the thread blocks 903 move to enable the fan 907 to move, and further the fan 907 conducts comprehensive and uniform heat dissipation on the inside of the device, meanwhile, the bidirectional screw rod 902 rotates to drive the knocking ball 905 to rotate through the connecting rope 904, the knocking ball 905 rotates to knock the dust screen 906, so that the dust screen 906 vibrates, and further the dust screen 906 is prevented from being blocked to influence air inlet, when the device is damaged and needs to be overhauled, the worker firstly presses the pressing plate 601 with the palm to enable the spring 603 to contract, the pressing plate 601 moves downwards to drive one end of the teeterboard 605 to move downwards, and then the other end of the seesaw 605 drives the limit rod 606 to move upwards, so that the limit rod 606 is separated from the limit groove 602, and at the moment, the worker takes the sealing plate 4 out of the mounting groove 7 to overhaul the device.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a turn-to-turn withstand voltage test voltage calibration device, includes casing (1), wiring hole (3), closing plate (4), signal transceiver tube (5) and components and parts (8), its characterized in that: mounting groove (7) have been seted up to the inner wall of casing (1), just closing plate (4) and mounting groove (7) sliding connection, top one side of casing (1) is provided with dismouting subassembly (6), dismouting subassembly (6) are including spacing groove (602) that are located closing plate (4) top one side, the inside of casing (1) is provided with radiator unit (9), radiator unit (9) are including dust screen (906) that are located casing (1) bottom.

2. The inter-turn withstand voltage test voltage calibration device according to claim 1, wherein: dismouting subassembly (6) are still including pressing pressure board (601), the bottom of pressing pressure board (601) is connected with the top of casing (1) through spring (603), the both ends of pressing pressure board (601) are articulated to have seesaw (605), it has bracing piece (604) to articulate in the middle of the bottom of seesaw (605), the one end of seesaw (605) is articulated to have gag lever post (606), just gag lever post (606) and spacing groove (602) looks adaptation.

3. The inter-turn withstand voltage test voltage calibration device according to claim 1, wherein: the heat dissipation assembly (9) further comprises a servo motor (901), the output end of the servo motor (901) is connected with a bidirectional screw rod (902), two sides of the outer surface of the bidirectional screw rod (902) are respectively provided with a threaded block (903), the top of the threaded block (903) is provided with a fan (907), and the middle of the outer surface of the bidirectional screw rod (902) is fixed with a knocking ball (905) through a connecting rope (904).

4. The inter-turn withstand voltage test voltage calibration device according to claim 1, wherein: supporting blocks (10) are fixed at four corners of the bottom of the shell (1), and the supporting blocks (10) are made of rubber materials.

5. The inter-turn withstand voltage test voltage calibration device according to claim 3, wherein: three groups of striking balls (905) are arranged, and the three groups of striking balls (905) are all made of silica gel materials.

6. The inter-turn withstand voltage test voltage calibration device according to claim 1, wherein: the middle of the outer surface of the shell (1) is hinged with a protective cover (2).