High signal-to-noise ratio mutual inductor

By designing a noise reduction mechanism in the transformer and using elastic materials and shock absorbers to buffer vibrations, the problem of reduced signal-to-noise ratio caused by vibration when the transformer is running is solved, achieving a higher signal-to-noise ratio and lower noise.

CN222380377UActive Publication Date: 2025-01-21WUXI DESHENG INSTR TRANSFORMER CO LTD
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Patent Information

Application Number
CN202420994570.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-01-21
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

Existing transformers are prone to vibration during operation, resulting in greater noise and reducing their signal-to-noise ratio.

Method used

A high signal-to-noise ratio transformer is designed, which uses a noise reduction mechanism including a U-shaped frame, a noise reduction plate, a shock absorber, a rubber pad, and a driving rod. Through the cooperation of elastic materials and shock absorbers, buffering and damping are achieved. Vibration of the small transformer body.

Benefits of technology

It effectively reduces the vibration of the transformer, improves its signal-to-noise ratio, reduces noise, and improves the stability and performance of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mutual inductors, and discloses a mutual inductor with a high signal-to-noise ratio, which solves the problem that the signal-to-noise ratio of an existing mutual inductor is reduced due to the fact that the mutual inductor is easy to vibrate during operation, and comprises a base, a noise reduction mechanism is mounted on the top of the base, a mounting mechanism is mounted on the noise reduction mechanism, and a mutual inductor body is arranged on the mounting mechanism. The noise reduction mechanism comprises a U-shaped frame fixed to the top of the base. According to the transformer, through cooperation of the noise reduction plate, the lantern ring and the stand column, when the transformer body vibrates, the noise reduction plate is driven to vibrate, a second rubber pad and a first rubber pad are deformed, through cooperation of a driving rod and a sliding block and cooperation of a supporting wheel and a connecting column, two springs are deformed, and the noise reduction effect is achieved. The noise reduction plate is buffered under the elastic action of the spring, the second rubber pad and the first rubber pad, vibration of the noise reduction plate is reduced through the damper, and therefore the noise reduction effect is achieved, and the signal-to-noise ratio of the mutual inductor body is increased.
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Description

Technical Field

[0001] The utility model belongs to the technical field of mutual inductors, in particular to a mutual inductor with a high signal-to-noise ratio. Background Art

[0002] A transformer, also known as an instrument transformer, is a general term for current transformers and voltage transformers. It can convert high voltage into low voltage and high current into low current. It is used in measurement or protection systems. Its main function is to convert high voltage or high current into standard low voltage or standard low current in proportion, so as to achieve standardization and miniaturization of measuring instruments, protection equipment and automatic control equipment. At the same time, the transformer can also be used to isolate high voltage systems to ensure the safety of people and equipment.

[0003] At present, the transformer is prone to vibration during operation, which leads to high noise and thus easily reduces the signal-to-noise ratio of the transformer. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a high signal-to-noise ratio transformer, which effectively solves the problem that the current transformer is prone to vibration during operation and reduces its signal-to-noise ratio.

[0005] To achieve the above object, the utility model provides the following technical solution: a high signal-to-noise ratio mutual inductor, comprising a base, a noise reduction mechanism is installed on the top of the base, a mounting mechanism is installed on the noise reduction mechanism, and a mutual inductor body is provided on the mounting mechanism;

[0006] The noise reduction mechanism includes a U-shaped frame fixed to the top of the base, a bottom plate is fixedly installed on the inner bottom wall of the U-shaped frame, a noise reduction plate located above the bottom plate is provided inside the U-shaped frame, a shock absorber is installed between the noise reduction plate and the bottom plate, two top blocks are fixedly installed on the inner bottom wall of the U-shaped frame, the two top blocks are symmetrically arranged on the outer side of the bottom plate, a connecting column is fixedly connected between the two top blocks, the bottom plate is fixedly sleeved on the outer side of the connecting column, two sliders are symmetrically and movably sleeved on the outer side of the connecting column, the bottom plate is located between the two sliders, springs are fixedly connected between the two sliders and the bottom plate, the two springs are sleeved on the outer side of the connecting column, support wheels are fixedly installed on the bottom of the two sliders, the two support wheels are located on the inner bottom wall of the U-shaped frame, the bottom of the noise reduction plate is symmetrically rotatably connected to two driving rods, and the ends of the two driving rods away from the noise reduction plate are respectively rotatably connected to the tops of the two sliders.

[0007] Preferably, two columns are symmetrically fixedly installed between the top of the bottom plate and the U-shaped frame, and the outer sides of the two columns are movably sleeved with rings, and the two rings are fixedly connected to the noise reduction plate.

[0008] Preferably, rubber pads 2 are fixedly installed on the bottom of the two rings, and two rubber pads 1 are symmetrically fixedly installed on the top of the bottom plate, and the two rubber pads 2 are respectively located on the top of the two rubber pads 1.

[0009] Preferably, the mounting mechanism includes a U-shaped seat fixed to the top of the noise reduction plate, an inner frame is fixedly mounted on the inner side of the U-shaped seat, two positioning holes are symmetrically arranged on the top of the inner frame, a U-shaped round rod is provided on the U-shaped seat, a sleeve plate is fixedly sleeved on the outer side of the U-shaped round rod, the sleeve plate is located on the top of the U-shaped seat, the transformer body is fixed to the top of the sleeve plate, both ends of the U-shaped round rod pass through the U-shaped seat and are respectively inserted into the two positioning holes, and the U-shaped round rod is movably connected to the U-shaped seat.

[0010] Preferably, a guide rod is fixedly installed on the inner side of the inner frame, and two guide blocks are symmetrically and movably sleeved on the outer side of the guide rod. Insertion rods are fixedly installed on the sides of the two guide blocks away from each other, and two insertion holes are symmetrically provided on the U-shaped round rod, and the ends of the two insertion rods away from each other are respectively inserted into the two insertion holes.

[0011] Preferably, a screw is provided on the inner side of the U-shaped seat and is located below the inner frame. The screw is arranged parallel to the inner frame, one end of the screw is rotatably connected to the inner wall of the U-shaped seat, and the other end of the screw extends to the outside of the U-shaped seat and is fixedly installed with a turntable. The outer side of the screw is symmetrically threaded with two screw sleeves, and the two screw sleeves are respectively fixed to the bottom of the two guide blocks.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model, through the cooperation between the noise reduction plate, the collar and the column, drives the noise reduction plate to vibrate when the transformer body vibrates, and causes the rubber pad 2 and the rubber pad 1 to deform. The cooperation between the driving rod and the slider and the support wheel and the connecting column causes the two springs to deform. The noise reduction plate is buffered under the elastic action of the spring and the rubber pad 2 and the rubber pad 1, and the vibration of the noise reduction plate is reduced by the shock absorber, thereby achieving the effect of noise reduction and improving the signal-to-noise ratio of the transformer body.

[0014] (2) The new type can place the sleeve on the top of the U-shaped seat through the cooperation between the sleeve, the U-shaped round rod and the positioning hole, and through the cooperation between the screw and the screw sleeve and the guide block and the guide rod, it is convenient to insert the ends of the two plug rods away from each other into the two plug holes respectively, so that the sleeve can be fixed on the top of the U-shaped seat, thereby facilitating the installation of the transformer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of the high signal-to-noise ratio mutual inductor of the utility model;

[0018] Figure 2 This is a schematic diagram of the noise reduction mechanism structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the noise reduction plate of the utility model;

[0020] Figure 4 This is a schematic diagram of the installation mechanism structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the disassembled structure of the inner frame and the sleeve plate of the utility model;

[0022] In the figure: 1. base; 2. noise reduction mechanism; 201. U-shaped frame; 202. shock absorber; 203. bottom plate; 204. rubber pad 1; 205. rubber pad 2; 206. collar; 207. column; 208. noise reduction plate; 209. top block; 2010. slider; 2011. connecting column; 2012. spring; 2013. support wheel; 2014. driving rod; 3. mounting mechanism; 301. U-shaped seat; 302. turntable; 303. screw rod; 304. inner frame; 305. screw sleeve; 306. sleeve plate; 307. U-shaped round rod; 308. positioning hole; 309. guide rod; 3010. guide block; 3011. plug rod; 3012. jack; 4. transformer body. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Embodiment 1, by Figure 1 The utility model comprises a base 1 , a noise reduction mechanism 2 is installed on the top of the base 1 , a mounting mechanism 3 is installed on the noise reduction mechanism 2 , and a mutual inductor body 4 is provided on the mounting mechanism 3 .

[0025] Specifically, by Figure 2-3It is given that the noise reduction mechanism 2 includes a U-shaped frame 201 fixed to the top of the base 1, the inner bottom wall of the U-shaped frame 201 is fixedly installed with a bottom plate 203, the interior of the U-shaped frame 201 is provided with a noise reduction plate 208 located above the bottom plate 203, a shock absorber 202 is installed between the noise reduction plate 208 and the bottom plate 203, the inner bottom wall of the U-shaped frame 201 is fixedly installed with two top blocks 209, the two top blocks 209 are symmetrically arranged on the outer side of the bottom plate 203, a connecting column 2011 is fixedly connected between the two top blocks 209, the bottom plate 203 is fixedly sleeved on the outer side of the connecting column 2011, and two sliders 2010 are symmetrically and movably sleeved on the outer side of the connecting column 2011, the bottom plate 203 is located between the two sliders 2010, and springs 2012 are fixedly connected between the two sliders 2010 and the bottom plate 203, and the two springs 2012 are sleeved on the connecting column 2011. On the outside of the connecting column 2011, the bottom of the two sliders 2010 are fixedly installed with support wheels 2013, and the two support wheels 2013 are both located on the inner bottom wall of the U-shaped frame 201. The bottom of the noise reduction plate 208 is symmetrically rotatably connected to two driving rods 2014, and the ends of the two driving rods 2014 away from the noise reduction plate 208 are respectively rotatably connected to the tops of the two sliders 2010. Two columns 207 are symmetrically fixedly installed between the top of the bottom plate 203 and the U-shaped frame 201. The outer sides of the two columns 207 are movably sleeved with rings 206, and the two rings 206 are fixedly connected to the noise reduction plate 208. The bottoms of the two rings 206 are fixedly installed with rubber pads 205. The top of the bottom plate 203 is symmetrically fixedly installed with two rubber pads 1 204, and the two rubber pads 205 are respectively located on the tops of the two rubber pads 1 204;

[0026] In the use state, when the transformer body 4 vibrates, the noise reduction plate 208 vibrates, and the two rings 206 slide along the two columns 207 respectively. At the same time, the two rubber pads 205 collide with the two rubber pads 1 204 respectively, so that the two rubber pads 205 and the rubber pad 1 204 are deformed. At the same time, the two sliders 2010 are driven by the two driving rods 2014 to slide along the connecting column 2011, so that the two springs 2012 are deformed, and the noise reduction plate 208 is buffered under the action of the elasticity of the rubber pads 205, the rubber pad 1 204 and the spring 2012, and the vibration of the transformer body 4 is reduced by the shock absorber 202, finally achieving the effect of noise reduction and improving the signal-to-noise ratio of the transformer body 4.

[0027] Specifically, by Figure 4-5The mounting mechanism 3 includes a U-shaped seat 301 fixed to the top of the noise reduction plate 208, an inner frame 304 is fixedly installed on the inner side of the U-shaped seat 301, and two positioning holes 308 are symmetrically arranged on the top of the inner frame 304. A U-shaped round rod 307 is arranged on the U-shaped seat 301, and a sleeve 306 is fixedly sleeved on the outer side of the U-shaped round rod 307. The sleeve 306 is located on the top of the U-shaped seat 301. The transformer body 4 is fixed on the top of the sleeve 306. Both ends of the U-shaped round rod 307 pass through the U-shaped seat 301 and are respectively inserted into the two positioning holes 308, and the U-shaped round rod 307 is movably connected to the U-shaped seat 301. A guide rod 309 is fixedly installed on the inner side of the inner frame 304, and two guide rods 309 are symmetrically sleeved on the outer side of the guide rod 309. Guide block 3010, a plug rod 3011 is fixedly installed on the side of the two guide blocks 3010 away from each other, two plug holes 3012 are symmetrically arranged on the U-shaped round rod 307, and the ends of the two plug rods 3011 away from each other are respectively inserted into the two plug holes 3012, and a screw rod 303 located below the inner frame 304 is arranged on the inner side of the U-shaped seat 301, and the screw rod 303 is arranged parallel to the inner frame 304, one end of the screw rod 303 is rotatably connected to the inner side wall of the U-shaped seat 301, and the other end of the screw rod 303 extends to the outside of the U-shaped seat 301 and is fixedly installed with a turntable 302, and the outer side of the screw rod 303 is symmetrically threaded with two screw sleeves 305, and the two screw sleeves 305 are respectively fixed to the bottom of the two guide blocks 3010;

[0028] When in use, first place the sleeve 306 on the top of the U-shaped seat 301, so that the two ends of the U-shaped round rod 307 are respectively inserted into the two positioning holes 308. At this time, the two insertion rods 3011 are both located between the two insertion holes 3012. Then rotate the turntable 302 to drive the rotation of the screw rod 303, and drive the two guide blocks 3010 to slide along the guide rod 309 through the two screw sleeves 305, until the ends of the two insertion rods 3011 away from each other are respectively inserted into the two insertion holes 3012, fix the sleeve 306 on the top of the U-shaped seat 301, and finally complete the installation of the transformer body 4.

Claims

1. A high signal-to-noise ratio mutual inductor, comprising a base (1), characterized in that: A noise reduction mechanism (2) is installed on the top of the base (1), a mounting mechanism (3) is installed on the noise reduction mechanism (2), and a mutual inductor body (4) is provided on the mounting mechanism (3); The noise reduction mechanism (2) comprises a U-shaped frame (201) fixed to the top of the base (1); a bottom plate (203) is fixedly mounted on the inner bottom wall of the U-shaped frame (201); a noise reduction plate (208) located above the bottom plate (203) is provided inside the U-shaped frame (201); a shock absorber (202) is installed between the noise reduction plate (208) and the bottom plate (203); two top blocks (209) are fixedly mounted on the inner bottom wall of the U-shaped frame (201); the two top blocks (209) are symmetrically arranged on the outside of the bottom plate (203); a connecting column (211) is fixedly connected between the two top blocks (209); the bottom plate (203) is fixedly sleeved on the outside of the connecting column (211); the outside of the connecting column (211) Two sliders (2010) are symmetrically and movably sleeved, the bottom plate (203) is located between the two sliders (2010), springs (212) are fixedly connected between the two sliders (2010) and the bottom plate (203), the two springs (2012) are sleeved on the outside of the connecting column (211), the bottoms of the two sliders (2010) are fixedly mounted with support wheels (213), the two support wheels (2013) are located on the inner bottom wall of the U-shaped frame (201), the bottom of the noise reduction plate (208) is symmetrically and rotatably connected to two driving rods (2014), and the ends of the two driving rods (2014) away from the noise reduction plate (208) are respectively rotatably connected to the tops of the two sliders (2010).

2. A high signal-to-noise ratio mutual inductor according to claim 1, characterized in that: Two upright posts (207) are symmetrically fixedly installed between the top of the bottom plate (203) and the U-shaped frame (201), and collars (206) are movably sleeved on the outer sides of the two upright posts (207), and the two collars (206) are fixedly connected to the noise reduction plate (208).

3. A high signal-to-noise ratio mutual inductor according to claim 2, characterized in that: The bottoms of the two sleeve rings (206) are fixedly mounted with rubber pads 2 (205), and the top of the bottom plate (203) is symmetrically fixedly mounted with two rubber pads 1 (204), with the two rubber pads 2 (205) being located on the tops of the two rubber pads 1 (204), respectively.

4. The high signal-to-noise ratio mutual inductor according to claim 1, characterized in that: The mounting mechanism (3) comprises a U-shaped seat (301) fixed to the top of the noise reduction plate (208); an inner frame (304) is fixedly mounted on the inner side of the U-shaped seat (301); two positioning holes (308) are symmetrically arranged on the top of the inner frame (304); a U-shaped round rod (307) is arranged on the U-shaped seat (301); a sleeve plate (306) is fixedly sleeved on the outer side of the U-shaped round rod (307); the sleeve plate (306) is located on the top of the U-shaped seat (301); the mutual inductor body (4) is fixed to the top of the sleeve plate (306); both ends of the U-shaped round rod (307) pass through the U-shaped seat (301) and are respectively inserted into the two positioning holes (308); and the U-shaped round rod (307) is movably connected to the U-shaped seat (301).

5. A high signal-to-noise ratio mutual inductor according to claim 4, characterized in that: A guide rod (309) is fixedly mounted on the inner side of the inner frame (304); two guide blocks (3010) are symmetrically and movably sleeved on the outer side of the guide rod (309); an insertion rod (3011) is fixedly mounted on the sides of the two guide blocks (3010) that are away from each other; two insertion holes (3012) are symmetrically arranged on the U-shaped round rod (307); and the ends of the two insertion rods (3011) that are away from each other are respectively inserted into the two insertion holes (3012).

6. A high signal-to-noise ratio mutual inductor according to claim 4, characterized in that: A screw rod (303) located below the inner frame (304) is provided on the inner side of the U-shaped seat (301). The screw rod (303) is arranged parallel to the inner frame (304). One end of the screw rod (303) is rotatably connected to the inner wall of the U-shaped seat (301). The other end of the screw rod (303) extends to the outer side of the U-shaped seat (301) and is fixedly mounted with a rotating disk (302). Two screw sleeves (305) are symmetrically threadedly sleeved on the outer side of the screw rod (303). The two screw sleeves (305) are respectively fixed to the bottoms of the two guide blocks (3010).