Frame structure of TMR high-precision current sensor

Abstract

The utility model discloses a frame structure of a TMR high-precision current sensor, which comprises a sensor lower shell, a sensor upper shell is hinged to the top of the sensor lower shell, an installation shell is embedded in the middle of the bottom surface of the sensor lower shell, internal partition plates are embedded in the two sides of the interior of the installation shell, and the internal partition plates are embedded in the installation shell. According to the utility model, external air flow is continuously guided into the sensor lower shell through the mini circulating fan in the installation inner block, so that the air flow generated by the mini circulating fan can continuously dissipate heat of components in the sensor lower shell; hot air flow in the sensor lower shell is discharged out of the bottom of the sensor lower shell through an internal partition plate and an exhaust rectangular groove, heat dissipation of the interior of the sensor frame structure is achieved, and the top and the bottom of the mounting shell are protected through a protective top net and a dustproof bottom net; therefore, the phenomenon of heat accumulation in the sensor frame structure is effectively prevented, and the service life of the sensor external frame is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of current sensors, in particular to a frame structure of a TMR high-precision current sensor. Background Art

[0002] The current sensor is a device that senses the measured current information. The small power supply equipment has integrated more and more new technologies, such as switching power supply, hard switch, soft switch, voltage regulation, linear feedback voltage regulation, magnetic amplifier technology, digital control voltage regulation, PWM, SPWM, and electromagnetic compatibility.

[0003] However, during use, the current sensor is prone to heat accumulation due to the lack of a corresponding auxiliary heat dissipation structure in its external frame structure, which reduces the service life of the current sensor frame structure. Utility Model Content

[0004] The utility model provides a frame structure of a TMR high-precision current sensor, which can effectively solve the problem proposed in the above background technology that the current sensor is prone to heat accumulation during long-term use due to the lack of corresponding auxiliary heat dissipation structure in its external frame structure, thereby reducing the service life of the current sensor frame structure.

[0005] To achieve the above object, the utility model provides the following technical solutions: a frame structure of a TMR high-precision current sensor, comprising a sensor lower housing, the top of which is hingedly connected to a sensor upper housing;

[0006] A bottom embedded circulating cooling mechanism is provided at the bottom of the lower housing of the sensor;

[0007] The bottom embedded circulation cooling mechanism comprises a mounting shell, an internal partition, an exhaust rectangular slot, a protective top net, a mounting inner block, a mini circulation fan and a dustproof bottom net;

[0008] A mounting shell is embedded and installed in the middle of the bottom surface of the lower shell of the sensor, internal partitions are embedded and installed on both sides of the mounting shell, exhaust rectangular grooves are opened through the sides of the top surface of the mounting shell corresponding to the side positions of the internal partitions, a protective top net is embedded and installed in the middle of the top surface of the mounting shell, an mounting inner block is embedded and installed in the position between the two internal partitions in the mounting shell, a mini circulation fan is embedded and installed in the mounting inner block, and a dust-proof bottom net is embedded and installed at the bottom end of the internal partition of the bottom surface of the mounting shell.

[0009] Preferably, the mini circulation fan is powered by an external power supply, and the bottom surface of the dustproof bottom net is flush with the bottom surface of the mounting shell.

[0010] Preferably, a bottom mounting support mechanism is provided at the bottom of the lower housing of the sensor;

[0011] The bottom mounting support mechanism comprises a mounting special-shaped groove, a mounting film, a supporting angle hole, a mounting cylinder, a compression spring and a supporting slide rod;

[0012] The middle parts of the two ends of the bottom surface of the sensor lower shell are provided with mounting special-shaped grooves, and mounting rubber is bonded inside the mounting special-shaped grooves. Support angle holes are provided at the four corners of the bottom surface of the sensor lower shell, and mounting cylinders are embedded and installed inside the supporting angle holes. A compression spring is fixedly connected to the top of the inner side of the mounting cylinder, and a supporting slide rod is fixedly connected to the bottom end of the compression spring at a position corresponding to the inner side of the mounting cylinder.

[0013] Preferably, the thickness of the mounting film is greater than the depth dimension of the mounting special-shaped groove, and the outer side of the top of the supporting slide bar is tightly slidably fitted with the inner wall of the mounting cylinder.

[0014] Preferably, a top display marking mechanism is provided on the top of the upper housing of the sensor;

[0015] The top display mark mechanism includes a connecting top groove, a mark cover plate, a mark pattern and a mounting buckle groove;

[0016] A connecting top groove is provided in the middle of the top surface of the sensor upper shell, a marking cover plate is embedded and installed on the top of the inner side of the connecting top groove, a marking pattern is sprayed on the middle of the top surface of the marking cover plate, and mounting buckle grooves are opened in the middle of both sides of the marking cover plate.

[0017] Preferably, the outer side of the bottom surface of the marking cover plate is tightly fitted with the inner wall of the connecting top groove, and a gap is left between the inner wall of the mounting buckle groove and the top surface of the connecting top groove.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a scientific and reasonable structure and is safe and convenient to use:

[0019] 1. A bottom embedded circulation cooling mechanism is set up, and the external airflow is continuously introduced into the lower shell of the sensor by installing a mini circulation fan inside the inner block, so that the internal components of the lower shell of the sensor are continuously cooled by the airflow generated by the mini circulation fan, and the hot air flow inside the lower shell of the sensor is discharged to the bottom of the lower shell of the sensor through the internal partition and the exhaust rectangular groove, thereby realizing the heat dissipation inside the sensor frame structure, and protecting the top and bottom of the installation shell through the protective top net and the dustproof bottom net, thereby effectively preventing the phenomenon of heat accumulation inside the sensor frame structure and improving the service life of the external frame of the sensor.

[0020] 2. A bottom mounting support mechanism is provided, and the mounting film is mounted to the bottom of the sensor lower housing through the mounting special-shaped groove, and the mounting cylinder and the components inside it are mounted to the bottom of the sensor lower housing through the supporting angle holes. The support slide rod can drive the compression spring to slide upward along the inside of the mounting cylinder, and then the reverse force generated by the elastic deformation of the compression spring and the mounting film makes the bottom surface of the sensor lower housing and the mounting plane fit more closely, further improving the installation stability of the frame structure.

[0021] 3. A top display marking mechanism is set up, and the marking cover is installed on the top of the sensor upper shell by connecting the top groove, and the installation direction of the sensor frame structure is marked by the marking pattern. The marking cover can be quickly removed through the installation buckle groove, which further expands the function of the sensor frame structure and improves the ease of use of the frame mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] 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.

[0023] In the attached picture:

[0024] Figure 1 It is a structural schematic diagram of the utility model;

[0025] Figure 2 It is a structural schematic diagram of the bottom of the lower housing of the sensor of the utility model;

[0026] Figure 3 This is a structural schematic diagram of the bottom embedded circulating cooling mechanism of the utility model;

[0027] Figure 4 It is a structural schematic diagram of the bottom mounting support mechanism of the utility model;

[0028] Figure 5 It is a structural schematic diagram of the top display marking mechanism of the utility model;

[0029] Numbers in the figure: 1, sensor lower housing; 2, sensor upper housing;

[0030] 3. Bottom embedded circulation cooling mechanism; 301. Installation shell; 302. Internal partition; 303. Exhaust rectangular slot; 304. Protective top net; 305. Installation inner block; 306. Mini circulation fan; 307. Dust-proof bottom net;

[0031] 4. Install the support mechanism at the bottom; 401. Install the special-shaped groove; 402. Install the film; 403. Support the corner hole; 404. Install the cylinder; 405. Press the spring; 406. Support the slide bar;

[0032] 5. Top display marking mechanism; 501. Connecting top groove; 502. Marking cover plate; 503. Marking pattern; 504. Installing buckle groove. DETAILED DESCRIPTION

[0033] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0034] Example: Figure 1-5 As shown, the utility model provides a technical solution, a frame structure of a TMR high-precision current sensor, including a sensor lower shell 1, and a sensor upper shell 2 is hinged on the top of the sensor lower shell 1;

[0035] A bottom embedded circulating cooling mechanism 3 is provided at the bottom of the sensor lower housing 1;

[0036] The bottom embedded circulation cooling mechanism 3 includes a mounting shell 301, an internal partition 302, an exhaust rectangular slot 303, a protective top net 304, a mounting inner block 305, a mini circulation fan 306 and a dust-proof bottom net 307;

[0037] An installation shell 301 is embedded and installed in the middle of the bottom surface of the sensor lower shell 1, and internal partitions 302 are embedded and installed on both sides of the installation shell 301. Exhaust rectangular grooves 303 are penetrated and opened at the side positions of the internal partitions 302 on both sides of the top surface of the installation shell 301 corresponding to the sides of the internal partitions 302. A protective top net 304 is embedded and installed in the middle of the top surface of the installation shell 301, and an installation inner block 305 is embedded and installed at a position between the two internal partitions 302 in the installation shell 301. A mini circulation fan 306 is embedded and installed in the installation inner block 305. A dustproof bottom net 307 is embedded and installed at a position corresponding to the bottom end of the internal partition 302 on the bottom surface of the installation shell 301. The mini circulation fan 306 is powered by an external power supply. The bottom surface of 07 is flush with the bottom surface of the mounting shell 301. The mini circulation fan 306 inside the mounting inner block 305 is used to continuously introduce the external airflow into the interior of the sensor lower shell 1, so that the airflow generated by the mini circulation fan 306 continuously dissipates the internal components of the sensor lower shell 1, and the hot airflow inside the sensor lower shell 1 is discharged to the bottom of the sensor lower shell 1 through the internal partition 302 and the exhaust rectangular groove 303, thereby realizing the heat dissipation inside the sensor frame structure, and the top and bottom of the mounting shell 301 are protected by the protective top net 304 and the dustproof bottom net 307, thereby effectively preventing the phenomenon of heat accumulation inside the sensor frame structure and improving the service life of the sensor external frame;

[0038] A bottom mounting support mechanism 4 is provided at the bottom of the sensor lower housing 1;

[0039] The bottom mounting support mechanism 4 includes a mounting special-shaped groove 401, a mounting film 402, a supporting angle hole 403, a mounting cylinder 404, a compression spring 405 and a supporting slide bar 406;

[0040] The middle of both ends of the bottom surface of the sensor lower shell 1 is provided with a mounting shaped groove 401, and a mounting film 402 is bonded inside the mounting shaped groove 401. Support angle holes 403 are provided at the four corners of the bottom surface of the sensor lower shell 1. A mounting cylinder 404 is embedded and installed inside the supporting angle hole 403. A compression spring 405 is fixedly connected to the top of the inner side of the mounting cylinder 404. A supporting slide bar 406 is fixedly connected to the bottom end of the compression spring 405 at a position corresponding to the inner side of the mounting cylinder 404. The thickness of the mounting film 402 is greater than the depth dimension of the mounting shaped groove 401, and the outer side of the top of the supporting slide bar 406 is connected to the mounting The inner walls of the cylinder 404 are tightly slidably fitted, the mounting film 402 is mounted to the bottom of the sensor lower housing 1 through the mounting special-shaped groove 401, the mounting cylinder 404 and the components inside it are mounted to the bottom of the sensor lower housing 1 through the supporting angle hole 403, and the pressing spring 405 can be driven to slide upward along the inside of the mounting cylinder 404 through the supporting slide bar 406, and then the reverse force generated by the elastic deformation of the pressing spring 405 and the mounting film 402 makes the bottom surface of the sensor lower housing 1 and the mounting plane fit more closely, further improving the installation stability of the frame structure;

[0041] A top display marking mechanism 5 is provided at the top of the sensor upper housing 2;

[0042] The top display mark mechanism 5 includes a connecting top groove 501, a mark cover plate 502, a mark pattern 503 and a mounting buckle groove 504;

[0043] A connecting top groove 501 is provided in the middle of the top surface of the sensor upper shell 2, and a marking cover 502 is embedded and installed on the top of the inner side of the connecting top groove 501. A marking pattern 503 is sprayed on the middle of the top surface of the marking cover 502, and mounting buckle grooves 504 are opened in the middle of both sides of the marking cover 502. The outer side of the bottom surface of the marking cover 502 is tightly fitted with the inner wall of the connecting top groove 501, and a gap is left between the inner wall of the mounting buckle groove 504 and the top surface of the connecting top groove 501. The marking cover 502 is installed to the top of the sensor upper shell 2 through the connecting top groove 501, and the installation direction of the sensor frame structure is marked by the marking pattern 503, and the marking cover 502 can be quickly removed through the mounting buckle groove 504, which further expands the function of the sensor frame structure and improves the convenience of use of the frame mechanism.

[0044] Working principle and use process of the utility model: In the actual application process of the utility model, when the sensor is installed through the frame structure, the components inside the sensor can be assembled and installed through the sensor lower shell 1 and the sensor upper shell 2, and each component is installed inside the sensor lower shell 1 through the installation shell 301;

[0045] After the temperature inside the sensor lower housing 1 rises, the mini circulation fan 306 installed inside the inner block 305 can be used to continuously introduce external airflow into the sensor lower housing 1, so that the airflow generated by the mini circulation fan 306 can continuously dissipate heat from the internal components of the sensor lower housing 1, and the hot airflow inside the sensor lower housing 1 is discharged to the bottom of the sensor lower housing 1 through the internal partition 302 and the exhaust rectangular groove 303, thereby achieving heat dissipation inside the sensor frame structure, and protecting the top and bottom of the installation housing 301 through the protective top net 304 and the dustproof bottom net 307, thereby effectively preventing the phenomenon of heat accumulation inside the sensor frame structure and improving the service life of the sensor external frame;

[0046] When the sensor lower housing 1 needs to be installed, the installation film 402 is installed to the bottom of the sensor lower housing 1 through the installation special-shaped groove 401, and then the installation cylinder 404 and the components inside it are installed to the bottom of the sensor lower housing 1 through the supporting angle hole 403. When the sensor lower housing 1 is pressed onto the fixed plane, the support slide bar 406 can drive the compression spring 405 to slide upward along the inside of the installation cylinder 404, and then the reverse force generated by the elastic deformation of the compression spring 405 and the installation film 402 makes the bottom surface of the sensor lower housing 1 and the installation plane fit more closely, further improving the installation stability of the frame structure;

[0047] When the sensor needs to be marked through the frame structure, the marking cover 502 is installed on the top of the sensor upper shell 2 by connecting the top groove 501, and the installation direction of the sensor frame structure is marked by the marking pattern 503. The marking cover 502 can be quickly removed through the installation buckle groove 504, which further expands the function of the sensor frame structure and improves the ease of use of the frame mechanism.

[0048] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A frame structure of a TMR high-precision current sensor, comprising a sensor lower housing (1), characterized in that: The top of the sensor lower housing (1) is hingedly connected to a sensor upper housing (2); A bottom embedded circulating cooling mechanism (3) is provided at the bottom of the sensor lower housing (1); The bottom embedded circulating cooling mechanism (3) comprises a mounting shell (301), an internal partition (302), an exhaust rectangular slot (303), a protective top net (304), a mounting inner block (305), a mini circulating fan (306) and a dust-proof bottom net (307); A mounting shell (301) is embedded and installed in the middle of the bottom surface of the sensor lower shell (1), and internal partitions (302) are embedded and installed on both sides of the mounting shell (301). Exhaust rectangular grooves (303) are opened through the top surface of the mounting shell (301) at positions corresponding to the side surfaces of the internal partitions (302). A protective top net (304) is embedded and installed in the middle of the top surface of the mounting shell (301), and a mounting inner block (305) is embedded and installed in the mounting shell (301) at a position corresponding to the position between the two internal partitions (302). A mini circulation fan (306) is embedded and installed in the mounting inner block (305), and a dustproof bottom net (307) is embedded and installed at a position corresponding to the bottom end of the internal partition (302) on the bottom surface of the mounting shell (301).

2. The frame structure of a TMR high-precision current sensor according to claim 1, characterized in that: The mini circulation fan (306) is powered by an external power source, and the bottom surface of the dustproof bottom net (307) is flush with the bottom surface of the mounting shell (301).

3. The frame structure of a TMR high-precision current sensor according to claim 1, characterized in that: A bottom mounting support mechanism (4) is provided at the bottom of the sensor lower housing (1); The bottom mounting support mechanism (4) comprises a mounting special-shaped groove (401), a mounting film (402), a supporting angle hole (403), a mounting cylinder (404), a compression spring (405) and a supporting slide rod (406); The bottom surface of the sensor lower shell (1) is provided with mounting special-shaped grooves (401) in the middle of both ends, and mounting films (402) are bonded inside the mounting special-shaped grooves (401). The bottom surface of the sensor lower shell (1) is provided with supporting angle holes (403) at four corners, and mounting cylinders (404) are embedded and installed inside the supporting angle holes (403). A clamping spring (405) is fixedly connected to the top of the inner side of the mounting cylinder (404), and a supporting slide rod (406) is fixedly connected to the bottom end of the clamping spring (405) at a position corresponding to the inside of the mounting cylinder (404).

4. The frame structure of a TMR high-precision current sensor according to claim 3, characterized in that: The thickness of the installation film (402) is greater than the depth dimension of the installation special-shaped groove (401), and the outer side of the top of the support slide bar (406) is tightly slidably fitted with the inner wall of the installation cylinder (404).

5. The frame structure of a TMR high-precision current sensor according to claim 1, characterized in that: A top display marking mechanism (5) is provided at the top of the sensor upper housing (2); The top display marking mechanism (5) comprises a connecting top groove (501), a marking cover plate (502), a marking pattern (503) and a mounting buckle groove (504); A connecting top groove (501) is provided in the middle of the top surface of the sensor upper shell (2), a marking cover plate (502) is embedded and installed in the top of the inner side of the connecting top groove (501), a marking pattern (503) is sprayed on the middle of the top surface of the marking cover plate (502), and mounting buckle grooves (504) are provided in the middle of both sides of the marking cover plate (502).

6. The frame structure of a TMR high-precision current sensor according to claim 5, characterized in that: The outer side of the bottom surface of the marking cover plate (502) is tightly fitted with the inner wall of the connecting top groove (501), and a gap is left between the inner wall of the mounting buckle groove (504) and the top surface of the connecting top groove (501).

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