CN216526137U - Power frequency withstand voltage instrument - Google Patents
Power frequency withstand voltage instrument Download PDFInfo
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- CN216526137U CN216526137U CN202122908898.0U CN202122908898U CN216526137U CN 216526137 U CN216526137 U CN 216526137U CN 202122908898 U CN202122908898 U CN 202122908898U CN 216526137 U CN216526137 U CN 216526137U
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- power frequency
- frequency voltage
- instrument body
- voltage withstand
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 3
- 210000005056 cell body Anatomy 0.000 description 8
- 230000003028 elevating effect Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 241001233242 Lontra Species 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a power frequency voltage withstand instrument, which relates to the technical field of power frequency voltage withstand instruments and comprises a power frequency voltage withstand instrument body, wherein two symmetrical through grooves are formed in the inner wall of the power frequency voltage withstand instrument body, a dustproof net is fixedly connected to the inner wall of each through groove, a sliding plate is slidably connected inside each through groove, the upper end of each sliding plate penetrates through the power frequency voltage withstand instrument body and is slidably connected with the power frequency voltage withstand instrument body, and a heat dissipation screen plate is fixedly connected to the middle part of each sliding plate. According to the power frequency voltage withstand instrument, the matching design of the power frequency voltage withstand instrument body, the through grooves, the dustproof net, the sliding plate, the heat dissipation screen plate and the lifting mechanism can be adopted, the sliding plate and the heat dissipation screen plate can be lifted through the lifting mechanism, heat in the power frequency voltage withstand instrument body can be rapidly dissipated from two sides of the power frequency voltage withstand instrument body, and the phenomenon that electric elements are damaged due to the fact that the temperature in the power frequency voltage withstand instrument body is too high can be avoided.
Description
Technical Field
The utility model relates to the technical field of power frequency withstand voltage instruments, in particular to a power frequency withstand voltage instrument.
Background
The power frequency voltage withstanding instrument is designed according to the latest national industry test standard, is safe, reliable, powerful in function, convenient to use and simple to maintain, is mainly used for performing insulation strength tests on various electrical products, electrical elements, insulating materials and the like under specified voltage, so as to check the insulation level of the products, find the insulation defects of tested products and measure the overvoltage capacity, and is a preferred product of voltage withstanding test equipment needed by power operation related departments, electrical and electrical equipment manufacturing enterprises, metallurgy, coal mines, electrified railway related departments, scientific research units, universities and colleges.
The patent of No. CN213452721U discloses a damping device of withstand voltage appearance of alternating current power frequency, through setting up the pressure spring, alleviate and jolt the inside influence that causes of withstand voltage appearance, the rocking that produces when recycling the spring to the pressure spring shock attenuation cushions, reduce the sense of jolting to the at utmost, can promote in multiple highway section, carrier's burden has been alleviateed, damage the inside circuit part of withstand voltage appearance when avoiding jolting, the life of withstand voltage appearance has been increased.
However, the power frequency voltage withstand instrument has poor heat dissipation effect, heat cannot be dissipated timely, and electronic components inside the power frequency voltage withstand instrument are easily damaged; therefore, the power frequency voltage withstand instrument solves the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to make up for the defects of the prior art and provides a power frequency voltage withstand instrument.
In order to achieve the purpose, the utility model provides the following technical scheme: a power frequency voltage withstand instrument comprises a power frequency voltage withstand instrument body, wherein two symmetrical through grooves are formed in the inner wall of the power frequency voltage withstand instrument body, a dustproof net is fixedly connected to the inner wall of each through groove, a sliding plate is slidably connected inside each through groove, the upper end of each sliding plate penetrates through the power frequency voltage withstand instrument body and is slidably connected with the power frequency voltage withstand instrument body, a heat dissipation screen plate is fixedly connected to the middle part of each sliding plate, a fixed plate is arranged above the power frequency pressure-resistant instrument body, the upper end of each sliding plate is fixedly connected with the bottom surface of the fixed plate, the power frequency pressure-resistant instrument body is internally provided with a lifting mechanism, the inner bottom wall of the power frequency pressure-resistant instrument body is provided with two symmetrical exhaust fans, the outer surface of the power frequency voltage withstand instrument body is provided with two symmetrical limiting mechanisms, and the upper surface of the power frequency voltage withstand instrument body is provided with two symmetrical refrigerating plates.
Furthermore, elevating system is including rotating the lifting screw who connects at the withstand voltage appearance of power frequency body inner wall and the motor of fixed connection at withstand voltage appearance this internal diapire of power frequency, the output pivot fixedly connected with bevel gear of motor.
Furthermore, the outer surface of the lifting screw is fixedly connected with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.
Furthermore, the outer surface of the lifting screw is in threaded connection with a lifting plate, and the upper surface of the lifting plate is fixedly connected with two symmetrical limiting rods.
Furthermore, the upper ends of the two limiting rods penetrate through the power frequency voltage withstand instrument body and are in sliding connection with the power frequency voltage withstand instrument body, and the upper ends of the two limiting rods are fixedly connected with the bottom surface of the fixing plate.
Furthermore, stop gear is including seting up the recess at the sliding plate surface and seting up the cell body at the power frequency withstand voltage appearance body surface, the inside sliding connection of cell body has the slide bar, the surface cover of slide bar is equipped with the spring.
Furthermore, the slide bar is close to the one end fixedly connected with stopper of recess, stopper and recess looks adaptation, the one end of spring and the inner wall fixed connection of cell body.
Furthermore, one end, close to the limiting block, of the spring is fixedly connected with the outer surface of the limiting block, and one end, located outside the groove body, of the sliding rod is fixedly connected with a handle.
Compared with the prior art, the power frequency withstand voltage instrument has the following beneficial effects:
1. according to the power frequency voltage withstand instrument, due to the matched design of the power frequency voltage withstand instrument body, the through grooves, the dustproof net, the sliding plate, the heat dissipation screen plate and the lifting mechanism, the sliding plate and the heat dissipation screen plate can be lifted through the lifting mechanism, heat in the power frequency voltage withstand instrument body can be rapidly dissipated from two sides of the power frequency voltage withstand instrument body, and the phenomenon that electric elements are damaged due to the fact that the temperature in the power frequency voltage withstand instrument body is too high can be avoided.
2. According to the utility model, through the matching design of the lifting screw, the motor, the bevel gear I, the bevel gear II, the lifting plate and the limiting rod, the motor is started to drive the bevel gear I to rotate, the bevel gear drives the bevel gear II to rotate, the bevel gear II drives the lifting screw to rotate, the lifting screw drives the lifting plate to ascend, the lifting plate pushes the limiting rod to ascend, and further the fixing plate can be pushed to ascend.
3. According to the utility model, through the arrangement of the exhaust fan, gas in the power frequency pressure resistance instrument body can be exhausted, the air fluidity in the power frequency pressure resistance instrument body is enhanced, the refrigeration plate can exchange heat in the power frequency pressure resistance instrument body, and the heat radiation performance of the power frequency pressure resistance instrument body is further enhanced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the power frequency withstand voltage instrument body according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In the figure: 1 power frequency withstand voltage appearance body, 2 logical grooves, 3 dust screens, 4 sliding plates, 5 heat dissipation otter boards, 6 fixed plates, 7 elevating system, 71 lifting screw, 72 motor, 73 bevel gear I, 74 bevel gear II, 75 elevating plates, 76 gag lever post, 8 air exhauster, 9 stop gear, 91 recess, 92 cell body, 93 slide bar, 94 spring, 95 handle, 96 gag lever post, 10 refrigeration boards.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
This embodiment provides a withstand voltage appearance of power frequency, the device passes through elevating system 7's setting, can rise sliding plate 4 and heat dissipation otter board 5, can dispel the heat of withstand voltage appearance body 1 inside of power frequency fast, and the phenomenon of avoiding withstand voltage appearance body 1's of power frequency high temperature to cause electric elements to damage takes place.
Referring to fig. 1-4, a power frequency withstand voltage appearance, including power frequency withstand voltage appearance body 1, two symmetrical logical grooves 2 have been seted up to the inner wall of power frequency withstand voltage appearance body 1, every equal fixedly connected with dust screen 3 of inner wall that leads to groove 2, dust screen 3 can play the filter action to the air that enters into power frequency withstand voltage appearance body 1 inside, can filter the dust in the air to the outside of power frequency withstand voltage appearance body 1, every equal sliding connection in inside that leads to groove 2 has sliding plate 4, every sliding plate 4's upper end all runs through power frequency withstand voltage appearance body 1 and with power frequency withstand voltage appearance body 1 sliding connection, the equal fixedly connected with heat dissipation otter board 5 in middle part of every sliding plate 4, setting through sliding plate 4 and heat dissipation otter board 5, when sliding plate 4 rises, can drive heat dissipation otter board 5 and rise.
The top of power frequency withstand voltage appearance body 1 is equipped with fixed plate 6, two sliding plates 4 can be connected in the setting of fixed plate 6, can play fixed effect to two sliding plates 4, every sliding plate 4's upper end all with the bottom surface fixed connection of fixed plate 6, the inside of power frequency withstand voltage appearance body 1 is equipped with elevating system 7, elevating system 7 sets up and makes things convenient for sliding plate 4 to go up and down, elevating system 7 is including rotating the motor 72 of connecting the diapire at the interior wall of power frequency withstand voltage appearance body 1 at elevating screw 71 and fixed connection of power frequency withstand voltage appearance body 1.
The type of the motor 72 is Y90S-2, an output rotating shaft of the motor 72 is fixedly connected with a first bevel gear 73, when the motor 72 is started to rotate, the first bevel gear 73 can be driven to rotate, the outer surface of the lifting screw 71 is fixedly connected with a second bevel gear 74, the first bevel gear 73 is meshed with the second bevel gear 74, when the first bevel gear 73 rotates, the second bevel gear 74 can be driven to rotate, the outer surface of the lifting screw 71 is in threaded connection with a lifting plate 75, the second bevel gear 74 rotates to drive the lifting screw 71 to rotate, the lifting screw 71 rotates to enable the lifting plate 75 to lift up and down on the outer surface of the lifting screw 71, and the upper surface of the lifting plate 75 is fixedly connected with two symmetrical limiting rods 76.
The upper ends of two gag lever posts 76 all run through power frequency pressure resistance tester body 1 and with 1 sliding connection of power frequency pressure resistance tester body, gag lever post 76 can play spacing effect to lifter plate 75, the upper ends of two gag lever posts 76 all with the bottom surface fixed connection of fixed plate 6, fixed plate 6 can play fixed effect to gag lever post 76, two symmetrical air exhauster 8 are installed to the interior diapire of power frequency pressure resistance tester body 1, open air exhauster 8, can take out the inside hot-blast outside to power frequency pressure resistance tester body 1 of power frequency pressure resistance tester body, can increase the mobility of the inside air of power frequency pressure resistance tester body 1, can further increase the thermal diffusivity of power frequency pressure resistance tester body 1, the surface of power frequency pressure resistance tester body 1 is equipped with two symmetrical stop gear 9.
One end of the spring 94 close to the limiting block 96 is fixedly connected with the outer surface of the limiting block 96, the slide rod 93 and the limiting block 96 can be conveniently reset through the spring 94, the end, located outside the groove body 92, of the slide rod 93 is fixedly connected with a handle 95, the handle 95 is pulled, the limiting block 96 can be pulled out of the groove 91, the limiting position of the slide plate 4 can be cancelled, the stability of the slide plate 4 can be further enhanced through the arrangement of the limiting mechanism 9, the slide plate 4 is prevented from shaking violently in the moving process of the power frequency pressure resistance instrument body 1, the phenomenon that the slide plate 4 shakes up and down due to poor threaded connection effect of the lifting screw 71 after being used for a long time can be prevented, the phenomenon that the slide plate 4 shakes up and down can be caused can be prevented, two symmetrical refrigerating plates 10 are arranged on the upper surface of the power frequency pressure resistance instrument body 1, and hot and cold exchange can be carried out on hot air inside the power frequency pressure resistance instrument body 1 through the arrangement of the refrigerating plates 10, the heat dissipation effect can be further achieved.
The working principle is as follows: when the power frequency pressure-resistant instrument is used, when the heat inside the power frequency pressure-resistant instrument body 1 is too high and insufficient in heat dissipation, the motor 72 is controlled to be started, the motor 72 is started to drive the bevel gear I73 to rotate, the bevel gear I73 rotates to drive the bevel gear II 74 to rotate, the bevel gear II 74 rotates to drive the lifting screw 71 to rotate, the lifting screw 71 rotates to drive the lifting plate 75 to ascend, when the lifting plate 75 ascends, the limiting rod 76 can be pushed to ascend, the fixing plate 6 can be ascended to drive the two sliding plates 4 to ascend, the heat dissipation screen plate 5 can be driven to ascend, hot gas inside the power frequency pressure-resistant instrument body 1 can be rapidly emitted from two sides of the power frequency pressure-resistant instrument body 1, the exhaust fan 8 and the refrigeration plate 10 are started, the exhaust fan 8 can exhaust gas inside the power frequency pressure-resistant instrument body 1, the air fluidity inside the power frequency pressure-resistant instrument body 1 can be enhanced, the refrigeration plate 10 can exchange heat inside the power frequency pressure-resistant instrument body 1, further strengthen the thermal diffusivity of power frequency withstand voltage appearance body 1, can prevent that the phenomenon that the inside high temperature of power frequency withstand voltage appearance body 1 from causing electronic component damage from taking place.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a power frequency withstand voltage appearance, includes power frequency withstand voltage appearance body (1), its characterized in that: the inner wall of the power frequency pressure resistance instrument body (1) is provided with two symmetrical through grooves (2), the inner wall of each through groove (2) is fixedly connected with a dust screen (3), the inside of each through groove (2) is slidably connected with a sliding plate (4), the upper end of each sliding plate (4) penetrates through the power frequency pressure resistance instrument body (1) and is slidably connected with the power frequency pressure resistance instrument body (1), the middle part of each sliding plate (4) is fixedly connected with a heat dissipation screen plate (5), a fixed plate (6) is arranged above the power frequency pressure resistance instrument body (1), the upper end of each sliding plate (4) is fixedly connected with the bottom surface of the fixed plate (6), a lifting mechanism (7) is arranged inside the power frequency pressure resistance instrument body (1), and two symmetrical exhaust fans (8) are arranged on the inner bottom wall of the power frequency pressure resistance instrument body (1), the outer surface of the power frequency voltage withstand instrument body (1) is provided with two symmetrical limiting mechanisms (9), and the upper surface of the power frequency voltage withstand instrument body (1) is provided with two symmetrical refrigerating plates (10).
2. The power frequency voltage withstand instrument according to claim 1, wherein: the lifting mechanism (7) comprises a lifting screw rod (71) rotatably connected to the inner wall of the power frequency voltage withstand instrument body (1) and a motor (72) fixedly connected to the inner bottom wall of the power frequency voltage withstand instrument body (1), and an output rotating shaft of the motor (72) is fixedly connected with a bevel gear I (73).
3. The power frequency voltage withstand instrument according to claim 2, wherein: the outer surface of the lifting screw rod (71) is fixedly connected with a second bevel gear (74), and the first bevel gear (73) is meshed with the second bevel gear (74).
4. The power frequency voltage withstand instrument according to claim 2, wherein: the outer surface of the lifting screw (71) is in threaded connection with a lifting plate (75), and the upper surface of the lifting plate (75) is fixedly connected with two symmetrical limiting rods (76).
5. The power frequency voltage withstand instrument according to claim 4, wherein: the upper ends of the two limiting rods (76) penetrate through the power frequency voltage withstand instrument body (1) and are in sliding connection with the power frequency voltage withstand instrument body (1), and the upper ends of the two limiting rods (76) are fixedly connected with the bottom surface of the fixing plate (6).
6. The power frequency voltage withstand instrument according to claim 1, wherein: the limiting mechanism (9) comprises a groove (91) formed in the outer surface of the sliding plate (4) and a groove body (92) formed in the outer surface of the power frequency withstand voltage instrument body (1), a sliding rod (93) is connected to the inside of the groove body (92) in a sliding mode, and a spring (94) is sleeved on the outer surface of the sliding rod (93).
7. The power frequency voltage withstand instrument according to claim 6, wherein: the sliding rod (93) is close to one end of the groove (91) and is fixedly connected with a limiting block (96), the limiting block (96) is matched with the groove (91), and one end of the spring (94) is fixedly connected with the inner wall of the groove body (92).
8. The power frequency voltage withstand instrument according to claim 6, wherein: one end, close to the limiting block (96), of the spring (94) is fixedly connected with the outer surface of the limiting block (96), and one end, located outside the groove body (92), of the sliding rod (93) is fixedly connected with a handle (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122908898.0U CN216526137U (en) | 2021-11-24 | 2021-11-24 | Power frequency withstand voltage instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122908898.0U CN216526137U (en) | 2021-11-24 | 2021-11-24 | Power frequency withstand voltage instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216526137U true CN216526137U (en) | 2022-05-13 |
Family
ID=81532745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122908898.0U Expired - Fee Related CN216526137U (en) | 2021-11-24 | 2021-11-24 | Power frequency withstand voltage instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216526137U (en) |
-
2021
- 2021-11-24 CN CN202122908898.0U patent/CN216526137U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220513 |