CN219552640U

CN219552640U - Mutual inductor calibrator

Info

Publication number: CN219552640U
Application number: CN202320618377.8U
Authority: CN
Inventors: 孔祥成
Original assignee: Hubei Hongfengwei Electric Appliance Equipment Co ltd
Current assignee: Hubei Hongfengwei Electric Appliance Equipment Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-18
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a transformer calibrator, which comprises a transformer calibrator body, wherein a protective box is arranged at the top of the transformer calibrator body, a case is arranged at the top of the protective box, a ventilation mechanism is arranged in an inner cavity of the case and comprises a driving motor, a heat conducting block is arranged at the top of the transformer calibrator body, radiating fins are arranged at the top of the heat conducting block, and a fixing cylinder is fixedly connected to the left side of the transformer calibrator body. According to the utility model, through the matching of the ventilation mechanism, the heat conducting block, the radiating fins, the fixed cylinder, the fixed shaft, the supporting rod, the clamping block and the movable sleeve, the fixed shaft is rotated, the clamping block is driven by the fixed shaft to move through the supporting rod, the angle of the support frame is adjusted, then the fixed shaft is loosened, the clamping block is reset, the support frame is limited, the heat conducting block radiates heat generated by the transformer calibrator body through the surfaces of the radiating fins, and the ventilation mechanism generates air flow to guide the heat to the outside.

Description

Mutual inductor calibrator

Technical Field

The utility model relates to the technical field of transformer calibration instruments, in particular to a transformer calibration instrument.

Background

The transformer is also called as instrument transformer, is a common name of current transformer and voltage transformer, can change high voltage into low voltage and large current into small current, is used for measuring or protecting system, and its function is mainly to change high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both refer to rated value) according to proportion so as to implement standardization and miniaturization of measuring instrument, protecting equipment and automatic control equipment, at the same time the transformer can also be used for isolating high voltage system to ensure safety of human body and equipment,

the utility model discloses a complete checking device of a transformer calibrator, which comprises a chassis frame plate, a power supply shielding cover, a liquid crystal shielding cover, a panel, a power supply module, an information processing module, a liquid crystal screen and a control device, wherein the power supply shielding cover, the liquid crystal shielding cover and the panel are fixed with the chassis frame plate, the power supply module is arranged between a chassis bottom plate and the power supply shielding cover, the liquid crystal screen is arranged on one surface of the liquid crystal shielding cover and is clamped with the panel, the information processing module is arranged on the other surface of the liquid crystal shielding cover, the power supply module is connected with the information processing module, the liquid crystal screen and the control device, and the liquid crystal screen and the control device are connected with the processing module. The whole checking device of the transformer calibrator adopts a modularized design, and the power module, the information processing module and the liquid crystal screen are isolated and installed, so that electromagnetic interference between the power module and the information processing module is avoided, and the volume of the whole checking device of the transformer calibrator is reduced;

but this kind of mutual-inductor check gauge heat dispersion is relatively poor, can not adjust the angle of support frame moreover as required, reduces the practicality of device.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide the transformer calibrator which is convenient to install and good in heat dissipation performance, and the angle of the support frame can be adjusted according to the needs, so that the practicability of the device is improved.

(II) technical scheme

The transformer calibrator comprises a transformer calibrator body, a protective box is arranged at the top of the transformer calibrator body, a case is arranged at the top of the protective box, a ventilation mechanism is arranged in an inner cavity of the case and comprises a driving motor, a heat conducting block is arranged at the top of the transformer calibrator body, a radiating fin is arranged at the top of the heat conducting block, a fixed cylinder is fixedly connected to the left side of the transformer calibrator body, a fixed shaft is movably connected to the inner cavity of the fixed cylinder through a bearing seat, a supporting rod is movably connected to the surface of the fixed shaft, a clamping block is slidably connected to the other end of the supporting rod, and a movable sleeve is sleeved on the surface of the fixed cylinder.

As a preferable scheme, the output shaft of the driving motor is fixedly connected with a worm, the surface of the worm is meshed with a worm wheel, the axis of the worm wheel is fixedly connected with a rotating shaft, and the surface of the rotating shaft is fixedly connected with a fan blade.

Preferably, the radiating fins are inclined at an angle with the horizontal plane, and the inclination angle is between thirty and fifty degrees.

As an optimal scheme, the left side and the right side of the protective box are both provided with radiating grooves, and an inner cavity of each radiating groove is provided with a dustproof net.

As the preferable scheme, the surface fixedly connected with stopper of fixture block, the other end sliding connection of stopper has the spout, one side fixedly connected with reset spring of stopper.

As a preferable scheme, a clamping groove is formed in the inner side of the movable sleeve, and a handle is arranged at one end of the fixed shaft.

As an optimal scheme, the bottom of the movable sleeve is fixedly connected with a support frame, and the support frame is made of metal materials.

Three beneficial effects

Compared with the prior art, the utility model provides the transformer calibrator, which has the following beneficial effects.

1. According to the utility model, through the matching of the ventilation mechanism, the heat conducting block, the radiating fins, the fixed cylinder, the fixed shaft, the supporting rod, the clamping block and the movable sleeve, the fixed shaft is rotated, the clamping block is driven by the fixed shaft to move through the supporting rod, the angle of the support frame is adjusted, then the fixed shaft is loosened, the clamping block is reset, the support frame is limited, the heat conducting block radiates heat generated by the transformer calibrator body through the surfaces of the radiating fins, and the ventilation mechanism generates air flow to guide the heat to the outside.

2. According to the utility model, through the cooperation of the driving motor, the worm wheel, the rotating shaft and the fan blades, the output shaft of the driving motor drives the rotating shaft to rotate through the worm and the worm wheel, the rotating shaft drives the fan blades to rotate, the air flow is driven to flow at a high speed, external dust is prevented from entering the inner cavity of the protective box through the cooperation of the heat dissipation groove and the dust screen, and the clamping block is conveniently limited through the cooperation of the limiting block, the sliding groove and the reset spring.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a left and right cross-sectional view of the movable sleeve structure of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2A in accordance with the present utility model;

fig. 4 is a front cross-sectional view of the chassis structure of the present utility model.

In the figure: 1. a transformer calibrator body; 2. a protective box; 3. a chassis; 4. a ventilation mechanism; 41. a driving motor; 42. a worm; 43. a worm wheel; 44. a rotating shaft; 45. a fan blade; 5. a heat conduction block; 6. a heat radiation fin; 7. a fixed cylinder; 8. a fixed shaft; 9. a support rod; 10. a clamping block; 11. a movable sleeve; 12. a heat sink; 13. a dust screen; 14. a limiting block; 15. a chute; 16. a return spring; 17. a clamping groove; 18. a handle; 19. and (5) supporting frames.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model: the utility model provides a transformer check gauge, including transformer check gauge body 1, the top of transformer check gauge body 1 is provided with protective housing 2, the top of protective housing 2 is provided with quick-witted case 3, the inner chamber of quick-witted case 3 is provided with ventilation mechanism 4, ventilation mechanism 4 includes driving motor 41, the top of transformer check gauge body 1 is provided with heat conduction piece 5, the top of heat conduction piece 5 is provided with radiating fin 6, the left side fixedly connected with fixed cylinder 7 of transformer check gauge body 1, the inner chamber of fixed cylinder 7 has fixed axle 8 through bearing frame swing joint, fixed axle 8's surface swing joint has bracing piece 9, the other end sliding connection of bracing piece 9 has fixture block 10, fixed cylinder 7's surface cover is equipped with movable sleeve 11.

The output shaft of the driving motor 41 is fixedly connected with a worm 42, the surface of the worm 42 is meshed with a worm wheel 43, a rotating shaft 44 is fixedly connected to the axis of the worm wheel 43, and a fan blade 45 is fixedly connected to the surface of the rotating shaft 44.

The heat radiating fins 6 are inclined at an angle to the horizontal plane, and the inclination angle is between thirty and fifty degrees.

The left and right sides of protective housing 2 all are provided with radiating groove 12, and the inner chamber of radiating groove 12 is provided with dust screen 13.

According to the above scheme, through the cooperation of driving motor 41, worm 42, worm wheel 43, pivot 44 and flabellum 45, the output shaft of driving motor 41 passes through worm 42 and worm wheel 43 and drives pivot 44 rotation, and pivot 44 drives flabellum 45 rotation, drives the air current high-speed flow, through the cooperation of heat dissipation groove 12 and dust screen 13, avoids external dust to get into the inner chamber of protective housing 2.

The surface of the clamping block 10 is fixedly connected with a limiting block 14, the other end of the limiting block 14 is slidably connected with a sliding groove 15, and one side of the limiting block 14 is fixedly connected with a reset spring 16.

The inner side of the movable sleeve 11 is provided with a clamping groove 17, and one end of the fixed shaft 8 is provided with a handle 18.

The bottom of the movable sleeve 11 is fixedly connected with a support frame 19, and the support frame 19 is made of metal materials.

According to the scheme, the clamping block 10 is conveniently limited by the cooperation of the limiting block 14, the sliding groove 15 and the reset spring 16.

The working principle of the utility model is that; the fixed shaft 8 is rotated, the fixed shaft 8 drives the clamping block 10 to move through the supporting rod 9, the angle of the supporting frame 19 is adjusted, then the fixed shaft 8 is loosened, the clamping block 10 resets, the supporting frame 19 is limited, the heat conducting block 5 radiates heat generated by the transformer calibrator body 1 through the surface of the radiating fin 6, the output shaft of the driving motor 41 drives the rotating shaft 44 to rotate through the worm 42 and the worm wheel 43, the rotating shaft 44 drives the fan blade 45 to rotate, the air flow is driven to flow at a high speed, and the generated air flow guides the heat to the outside.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a mutual-inductor check gauge, includes mutual-inductor check gauge body (1), its characterized in that: the utility model provides a transformer check gauge body (1) top is provided with protective housing (2), the top of protective housing (2) is provided with quick-witted case (3), the inner chamber of machine case (3) is provided with ventilation mechanism (4), ventilation mechanism (4) are including driving motor (41), the top of transformer check gauge body (1) is provided with heat conduction piece (5), the top of heat conduction piece (5) is provided with radiating fin (6), the left side fixedly connected with fixed cylinder (7) of transformer check gauge body (1), the inner chamber of fixed cylinder (7) is through bearing frame swing joint fixed axle (8), the surface swing joint of fixed axle (8) has bracing piece (9), the other end sliding connection of bracing piece (9) has fixture block (10), the surface cover of fixed cylinder (7) is equipped with movable sleeve (11).

2. The instrument of claim 1, wherein: the output shaft of driving motor (41) fixedly connected with worm (42), the surface meshing of worm (42) has worm wheel (43), the axle center department fixedly connected with pivot (44) of worm wheel (43), the surface fixedly connected with flabellum (45) of pivot (44).

3. The instrument of claim 1, wherein: the radiating fins (6) are inclined at an angle with the horizontal plane, and the inclination angle is between thirty and fifty degrees.

4. The instrument of claim 1, wherein: the left side and the right side of the protective box (2) are both provided with radiating grooves (12), and an inner cavity of each radiating groove (12) is provided with a dust screen (13).

5. The instrument of claim 1, wherein: the surface of fixture block (10) is fixedly connected with stopper (14), the other end sliding connection of stopper (14) has spout (15), one side fixedly connected with reset spring (16) of stopper (14).

6. The instrument of claim 1, wherein: the inner side of the movable sleeve (11) is provided with a clamping groove (17), and one end of the fixed shaft (8) is provided with a handle (18).

7. The instrument of claim 1, wherein: the bottom of the movable sleeve (11) is fixedly connected with a support frame (19), and the support frame (19) is made of metal materials.