CN210199185U

CN210199185U - Multifunctional current collector

Info

Publication number: CN210199185U
Application number: CN201920749408.7U
Authority: CN
Inventors: Qifeng Wang; 王奇锋; Mingyue Liu; 刘明月; Pengwei Jin; 靳朋伟; Zhuo Zhang; 张卓; Hao Wu; 仵浩; Jian Sun; 孙坚; Xu Ding; 丁旭; Qi Liu; 刘奇; Jiahao You; 尤佳豪; Bin Su; 苏斌
Original assignee: Hebei Aier Industrial Internet Technology Co Ltd
Current assignee: Jiangxi Guanying Intelligent Technology Co ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-03-27
Anticipated expiration: 2029-05-23

Abstract

The utility model provides a multifunctional current collector, which designs a magnetic core into an upper semi-ring structure and a lower semi-ring structure which are hinged with each other, and a baffle and a groove body are utilized to construct a channel at the outer end of the magnetic core, and the channel surrounds the periphery of the magnetic core, so that air can be pumped to the surface of the magnetic core through an inlet and an outlet to realize the air cooling and heat dissipation effects; on the basis, a sectional type outer cover structure can be further additionally arranged, the outer cover and the baffle or the groove body are welded and sealed, and the outer cover is in threaded connection and sealed, so that a closed channel structure is formed, and the water-cooling heat dissipation device can be used for executing water-cooling heat dissipation. Meanwhile, the utility model discloses rely on the ring body at magnetic core both ends and set up a plurality of silica gel rings, laminate mutually with the wire surface, help keeping the fixed of wire in the through-hole. Use the utility model discloses, can improve the heat dispersion of device when long-time measuring to alleviate the cable slip problem, have good result of use.

Description

Multifunctional current collector

Technical Field

The utility model relates to an electricity detects technical field, concretely relates to multi-functional current collector.

Background

The current collector is also called as a current sensor, is a detection device, can sense the information of the current to be detected, can convert the sensed information into an electric signal meeting certain standard requirements or information in other required forms to be output according to a certain rule, and meets the requirements of information transmission, processing, storage, display, recording, control and the like. The current sensor is different according to the measurement principle, and can be mainly divided into: shunts, electromagnetic current transformers, electronic current transformers, and the like. The electronic current transformer includes a hall current sensor, a rogowski current sensor, and the like.

The Hall current sensor is divided into an open-loop mode and a closed-loop mode, wherein the open-loop Hall current sensor collects magnetic flux generated by primary current in a magnetic circuit by a high-quality magnetic core, a Hall element is fixed in a small air gap to carry out linear detection on the magnetic flux, Hall voltage output by a Hall device is processed by a special circuit, a secondary side outputs follow-up output voltage consistent with the waveform of the primary side, and the voltage can accurately reflect the change of the primary current. The detection principle of the open-loop Hall current sensor in the prior art is mature, but the open-loop Hall current sensor is quite diversified in structure matched with a cable. The conventional Hall current sensor bears the cable to be detected at the position of the through hole, and the cable is easy to slide in the through hole, so that the detection accuracy is influenced; in addition, when long-time detection is carried out, the external heat of the cable is sealed in the magnetic core and is difficult to effectively dissipate, so that the service life of the device is not prolonged.

Disclosure of Invention

The utility model discloses aim at providing a multi-functional current collector to prior art's technical defect to conventional hall current sensor examines time measuring in the execution among the solution prior art, and the cable is at the easy gliding technical problem of through-hole position.

The utility model discloses another technical problem that solves is that conventional hall current sensor is when carrying out the inspection, and the cable heat is difficult effectively effluvium.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

the multifunctional current collector comprises a bottom plate, a transverse rib plate, a longitudinal rib plate, a lower semi-ring magnetic core, a groove body, an upper semi-ring magnetic core, a baffle plate, an outer lug plate, an inner lug plate, a rotating shaft, a through hole, a channel, an inlet, an outlet, a ring body and a silica gel ring, wherein the transverse rib plate and the longitudinal rib plate are fixedly connected at the upper end of the bottom plate, the transverse rib plate and the longitudinal rib plate are mutually vertical, the top ends of the transverse rib plate and the longitudinal rib plate are fixedly connected with the lower semi-ring magnetic core, the outer side of the lower semi-ring magnetic core is fixedly connected with the groove body, the baffle plate and the groove body are hinged through the rotating shaft, the lower end of the baffle plate is jointed with the upper end of the groove body, one side of the joint of the transverse rib plate and the longitudinal rib plate is connected with two outer lug plates, the other side of the joint of the transverse rib plate and the, the baffle and the groove body enclose a channel, an inlet and an outlet are respectively formed in two ends of the channel, ring bodies are respectively connected to two ends of the through hole, and a plurality of silica gel rings are fixedly connected to the inner wall of each ring body.

Preferably, the device further comprises an upper outer cover and a lower outer cover, the upper outer cover is welded and fixed at the upper end of the baffle, the lower outer cover is welded and fixed at the side end of the groove body, the lower end of the upper outer cover is connected with the upper end of the lower outer cover, an ear plate is arranged at the joint, the upper outer cover and the lower outer cover are fixedly connected through the ear plate in a threaded mode, and the upper outer cover, the lower outer cover, the baffle and the groove body jointly close the channel.

Preferably, silicone pads are padded between the outer ear plates and between the inner ear plates.

Preferably, the axis of the silica gel ring and the axis of the through hole are overlapped; the inlet and the outlet are connected with filter screens.

Preferably, the connection part of the baffle and the upper semi-ring magnetic core is encircled to form an upper groove, the connection part of the groove body and the lower semi-ring magnetic core is encircled to form a lower groove, the upper groove is connected with the lower groove, and the ring body is screwed and fixed in the upper groove and the lower groove.

In the above technical solution, the bottom plate is used for bearing the latitudinal rib plate and the longitudinal rib plate; the transverse rib plates and the longitudinal rib plates are used for bearing a lower semi-ring magnetic core, the lower semi-ring magnetic core and an upper semi-ring magnetic core enclose a magnetic core whole body of the open-ring type Hall current sensor, and a through hole is formed in the center of the magnetic core and used for being inserted with a to-be-tested live wire; the groove body and the baffle are used for enclosing a channel, the channel surrounds the peripheries of the lower semi-ring magnetic core and the upper semi-ring magnetic core, and air pumping can be carried out on the channel through the inlet and the outlet, so that the air cooling and heat dissipation effects on the outer surfaces of the lower semi-ring magnetic core and the upper semi-ring magnetic core are achieved; the baffle is hinged with the groove body through the rotating shaft, so that the lower semi-ring magnetic core and the upper semi-ring magnetic core can be conveniently opened to complete the loading and unloading of the wire to be tested, and the inner ear plate and the outer ear plate are used for fastening the baffle and the groove body; the ring body is screwed and fixed at the two side ports of the through hole, and the inner wall of the ring body is used for arranging a silica gel ring; the silica gel ring is used for laminating mutually with the wire outer wall, so accessible friction plays certain fixed effect to the wire, moreover, because the silica gel ring has certain elasticity, consequently can adapt to the wire of different external diameters to a certain extent.

As an improvement of the technical scheme, an upper outer cover and a lower outer cover can be arranged on the periphery of the channel, the upper outer cover and the lower outer cover are respectively welded and sealed with the baffle and the groove body, and meanwhile, a flange-like closed structure is formed between the upper outer cover and the groove body by utilizing the lug plates; thereby leading the upper outer cover, the lower outer cover, the baffle plate and the groove body to jointly seal the channel; on the basis, cooling water can be pumped into the channel by using the inlet and the outlet, so that the water-cooling heat dissipation effect is realized.

The utility model discloses a detection mode is along with conventional open-loop hall current sensor principle: when a primary current flows through a long cable, a magnetic field is generated around the cable, the magnitude of the magnetic field is proportional to the current flowing through the cable, the generated magnetic field is gathered in the annular magnetic core, measurement is carried out through a Hall element positioned in an air gap of the annular magnetic core, the output voltage Vs is amplified and accurately reflects the primary current. A typical nominal output is rated at 4V. Based on the above detection principle, the more specific line connection relationship can be implemented according to the common technical knowledge in the field.

The utility model provides a multifunctional current collector, this technical scheme have carried out brand-new design to its inner structure on the basis of open-loop type hall current sensor classic principle. Specifically, the magnetic core of the utility model is designed into an upper semi-ring structure and a lower semi-ring structure which are hinged with each other, the baffle and the groove body are utilized to construct the channel at the outer end of the magnetic core, and the channel surrounds the periphery of the magnetic core, so that air can be pumped to the surface of the magnetic core through the inlet and the outlet to realize the air cooling and heat dissipation effects; on the basis, a sectional type outer cover structure can be further additionally arranged, the outer cover and the baffle or the groove body are welded and sealed, and the outer cover is in threaded connection and sealed, so that a closed channel structure is formed, and the water-cooling heat dissipation device can be used for executing water-cooling heat dissipation. Meanwhile, the utility model discloses rely on the ring body at magnetic core both ends and set up a plurality of silica gel rings, laminate mutually with the wire surface, help keeping the fixed of wire in the through-hole. Use the utility model discloses, can improve the heat dispersion of device when long-time measuring to alleviate the cable slip problem, have good result of use.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the structure of the vertical section of the present invention;

FIG. 3 is a schematic diagram of the engagement between the upper and lower half cores;

FIG. 4 is a schematic diagram of the detection of the present invention;

in the figure:

1. bottom plate 2, horizontal rib plate 3, vertical rib plate 4, lower semi-ring magnetic core

5. Groove body 6, upper semi-ring magnetic core 7, baffle 8 and external ear plate

9. Inner ear plate 10, rotating shaft 11, through hole 12 and channel

13. Inlet 14, outlet 15, ring body 16, silica gel ring

17. Upper housing 18, magnetic core 19, cable 20, hall element.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1

A multifunctional current collector is shown in figures 1-3 and comprises a bottom plate 1, a cross rib plate 2, a longitudinal rib plate 3, a lower semi-ring magnetic core 4, a tank body 5, an upper semi-ring magnetic core 6, a baffle plate 7, an outer ear plate 8, an inner ear plate 9, a rotating shaft 10, a through hole 11, a channel 12, an inlet 13, an outlet 14, a ring body 15 and a silica gel ring 16, wherein the upper end of the bottom plate 1 is fixedly connected with the cross rib plate 2 and the longitudinal rib plate 3, the cross rib plate 2 is perpendicular to the longitudinal rib plate 3, the top ends of the cross rib plate 2 and the longitudinal rib plate 3 are fixedly connected with the lower semi-ring magnetic core 4, the outer side of the lower semi-ring magnetic core 4 is fixedly connected with the tank body 5, the outer side of the upper semi-ring magnetic core 6 is fixedly connected with the baffle plate 7, the baffle plate 7 is hinged with the tank body 5 through the rotating shaft 10, the lower end of the baffle plate 7 is connected with the upper, the two outer ear plates 8 are fixedly connected with each other in a threaded manner, the two inner ear plates 9 are fixedly connected with each other in a threaded manner, the upper semi-ring magnetic core 6 and the lower semi-ring magnetic core 4 are enclosed to form a through hole 11, the baffle 7 and the groove body 5 are enclosed to form a channel 12, an inlet 13 and an outlet 14 are respectively formed at two ends of the channel 12, two ends of the through hole 11 are respectively connected with a ring body 15, and a plurality of silica gel rings 16 are fixedly connected to the inner wall of the ring body 15.

The device has the following structural characteristics: the bottom plate 1 is used for bearing the cross rib plates 2 and the longitudinal rib plates 3; the transverse rib plate 2 and the longitudinal rib plate 3 are used for bearing a lower semi-ring magnetic core 4, the lower semi-ring magnetic core 4 and an upper semi-ring magnetic core 6 enclose a magnetic core whole body of the open-loop Hall current sensor, and a through hole 11 is formed in the center of the magnetic core and used for being inserted with a to-be-tested live wire; the groove body 5 and the baffle 7 are used for enclosing a channel 12, the channel 12 surrounds the periphery of the lower semi-ring magnetic core 4 and the upper semi-ring magnetic core 6, and air can be pumped through the inlet 13 and the outlet 14, so that the air cooling and heat dissipation effects on the outer surfaces of the lower semi-ring magnetic core 4 and the upper semi-ring magnetic core 6 are achieved; the baffle 7 is hinged with the tank body 5 through the rotating shaft 10, so that the lower semi-ring magnetic core 4 and the upper semi-ring magnetic core 6 can be conveniently opened to complete the loading and unloading of the wire to be tested, and the inner ear plate 8 and the outer ear plate 9 are used for fastening the baffle 7 and the tank body 5; the ring body 15 is screwed and fixed at the two side ports of the through hole 11, and the inner wall of the ring body is used for arranging a silica gel ring 16; the silica gel ring 16 is used for being attached to the outer wall of the lead, so that the lead can be fixed to a certain extent through friction, and the silica gel ring 16 has certain elasticity, so that the lead can adapt to leads with different outer diameters to a certain extent.

As shown in fig. 4, the detection mode of the device follows the conventional open-loop hall current sensor principle: when a primary current flows through a long cable 19, a magnetic field is generated around the cable 19, the magnitude of the magnetic field is proportional to the current flowing through the cable 19, the generated magnetic field is concentrated in the annular magnetic core 18, measurement is performed through a hall element 20 located in an air gap of the annular magnetic core 18, the output voltage Vs is amplified and accurately reflects the primary current. A typical nominal output is rated at 4V. Based on the above detection principle, the more specific line connection relationship can be implemented according to the common technical knowledge in the field.

Example 2

A multifunctional current collector is shown in figures 1-3 and comprises a bottom plate 1, a cross rib plate 2, a longitudinal rib plate 3, a lower semi-ring magnetic core 4, a tank body 5, an upper semi-ring magnetic core 6, a baffle plate 7, an outer ear plate 8, an inner ear plate 9, a rotating shaft 10, a through hole 11, a channel 12, an inlet 13, an outlet 14, a ring body 15 and a silica gel ring 16, wherein the upper end of the bottom plate 1 is fixedly connected with the cross rib plate 2 and the longitudinal rib plate 3, the cross rib plate 2 is perpendicular to the longitudinal rib plate 3, the top ends of the cross rib plate 2 and the longitudinal rib plate 3 are fixedly connected with the lower semi-ring magnetic core 4, the outer side of the lower semi-ring magnetic core 4 is fixedly connected with the tank body 5, the outer side of the upper semi-ring magnetic core 6 is fixedly connected with the baffle plate 7, the baffle plate 7 is hinged with the tank body 5 through the rotating shaft 10, the lower end of the baffle plate 7 is connected with the upper, the two outer ear plates 8 are fixedly connected with each other in a threaded manner, the two inner ear plates 9 are fixedly connected with each other in a threaded manner, the upper semi-ring magnetic core 6 and the lower semi-ring magnetic core 4 are enclosed to form a through hole 11, the baffle 7 and the groove body 5 are enclosed to form a channel 12, an inlet 13 and an outlet 14 are respectively formed at two ends of the channel 12, two ends of the through hole 11 are respectively connected with a ring body 15, and a plurality of silica gel rings 16 are fixedly connected to the inner wall of the ring body 15. The device is characterized by further comprising an upper outer cover 17 and a lower outer cover, wherein the upper outer cover 17 is fixedly welded at the upper end of the baffle 7, the lower outer cover is fixedly welded at the side end of the groove body 5, the lower end of the upper outer cover 17 is connected with the upper end of the lower outer cover, an ear plate is arranged at the joint, the upper outer cover 17 and the lower outer cover are fixedly connected through the ear plate in a screwed mode, and the upper outer cover 17, the lower outer cover, the baffle 7 and the groove body 5 jointly close the channel 12. Silica gel pads are respectively arranged between the outer ear plates 8 and between the inner ear plates 9. The axis of the silica gel ring 16 is superposed with the axis of the through hole 11; screens are connected to both the inlet 13 and the outlet 14. The connection part of the baffle 7 and the upper semi-ring magnetic core 6 is encircled to form an upper groove, the connection part of the groove body 5 and the lower semi-ring magnetic core 4 is encircled to form a lower groove, the upper groove is connected with the lower groove, and the ring body 15 is fixedly connected with the upper groove and the lower groove through wires.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The multifunctional current collector is characterized by comprising a bottom plate (1), a transverse rib plate (2), a longitudinal rib plate (3), a lower semi-ring magnetic core (4), a tank body (5), an upper semi-ring magnetic core (6), a baffle plate (7), an outer ear plate (8), an inner ear plate (9), a rotating shaft (10), a through hole (11), a channel (12), an inlet (13), an outlet (14), a ring body (15) and a silica gel ring (16), wherein the upper end of the bottom plate (1) is fixedly connected with the transverse rib plate (2) and the longitudinal rib plate (3), the transverse rib plate (2) and the longitudinal rib plate (3) are mutually vertical, the top ends of the transverse rib plate (2) and the longitudinal rib plate (3) are fixedly connected with the lower semi-ring magnetic core (4), the outer side of the lower semi-ring magnetic core (4) is fixedly connected with the tank body (5), the outer side of the upper semi-ring (6) is fixedly connected with the baffle plate (7), and the, the lower extreme of baffle (7) and the upper end of cell body (5) are joined together, are connected with two outer otic placodes (8) in one side of the two seam, are connected with two interior otic placodes (9) in the opposite side of the two seam, two outer otic placodes (8) silk is connected fixedly, two interior otic placodes (9) silk is connected fixedly, goes up semi-ring magnetic core (6) and encloses into through-hole (11) with lower semi-ring magnetic core (4), and baffle (7) enclose into passageway (12) with cell body (5) inlet port (13) and discharge port (14) have been seted up respectively to the both ends of passageway (12), are connected with ring body (15) respectively at the both ends of through-hole (11) fixedly connected with a plurality of silica gel rings (16) on the inner wall of ring body.

2. The multifunctional current collector as claimed in claim 1, further comprising an upper housing (17) and a lower housing, wherein the upper housing (17) is welded and fixed at the upper end of the baffle (7), the lower housing is welded and fixed at the side end of the tank body (5), the lower end of the upper housing (17) is jointed with the upper end of the lower housing, an ear plate is arranged at the joint, the upper housing (17) and the lower housing are screwed and fixed through the ear plate, and the upper housing (17), the lower housing, the baffle (7) and the tank body (5) jointly close the channel (12).

3. The multifunctional current collector according to claim 1, characterized in that silica gel pads are padded between the outer ear plates (8) and between the inner ear plates (9).

4. The multifunctional current collector according to claim 1, characterized in that the axis of the silica gel ring (16) and the axis of the through hole (11) coincide with each other; the inlet (13) and the outlet (14) are connected with filter screens.

5. The multifunctional current collector as claimed in claim 1, wherein the junction of the baffle (7) and the upper semi-ring magnetic core (6) defines an upper groove, the junction of the groove body (5) and the lower semi-ring magnetic core (4) defines a lower groove, the upper groove is jointed with the lower groove, and the ring body (15) is screwed and fixed in the upper groove and the lower groove.