阅读说明：本技术 一种具有散热和固定功能的霍尔电流传感器 (A kind of Hall current sensor with heat dissipation and fixed function ) 是由 岳超然 于 2019-08-22 设计创作，主要内容包括：本发明涉及一种具有散热和固定功能的霍尔电流传感器,包括主体和底座,还包括固定机构和散热机构,所述固定机构包括支架、两个第一弹簧和两个固定组件,所述固定组件包括连接板、连接杆、固定板和若干连接单元,所述散热机构包括风机和两个散热组件,所述散热组件包括通风管、滤网、限位环和两个限位组件,所述限位组件包括压板、压杆、限位杆、限位板和第二弹簧,该具有散热和固定功能的霍尔电流传感器通过固定机构,实现了固定线缆的功能,使得线缆与主体同轴设置,提高测量精度,通过散热机构,实现了散热的功能,避免主体内温度过高,影响其正常工作。(The present invention relates to a kind of with the Hall current sensor to radiate with fixed function, including main body and pedestal, it further include fixed mechanism and cooling mechanism, the fixed mechanism includes bracket, two the first springs and two fixation kits, the fixation kit includes connecting plate, connecting rod, fixed plate and several connection units, the cooling mechanism includes blower and two radiating subassemblies, the radiating subassembly includes ventilation duct, strainer, stop collar and two limit assemblies, the limit assembly includes pressing plate, compression bar, gag lever post, limit plate and second spring, there is the Hall current sensor of heat dissipation and fixed function to pass through fixed mechanism for this, realize the function of fixed cable, so that cable and main body are coaxially disposed, improve measurement accuracy, pass through cooling mechanism, realize the function of heat dissipation, avoid main body temperature excessively high, influence its normal work Make.)

1. a kind of Hall current sensor with heat dissipation and fixed function, including main body (2) and pedestal (1), the main body (2) It is fixed on the top of pedestal (1), PLC is equipped in the pedestal (1), the shape of the main body (2) is circular ring shape, and feature exists In further including fixed mechanism and cooling mechanism, the fixed mechanism setting is in the top of pedestal (1), the cooling mechanism setting On main body (2)；

The fixed mechanism includes bracket (3), two the first springs (6) and two fixation kits, and the vertical of the bracket (3) is cut Face shape is U-shaped, and the both ends of the bracket (3) are each attached to the top of pedestal (1), and two fixation kits are about main body (2) Axisymmetrical setting, first spring (6) are arranged between two fixation kits；

The fixation kit includes connecting plate (5), connecting rod (4), fixed plate (7) and several connection units, the connecting rod (4) One end be equipped with aperture, the bracket (3) passes through aperture, and the connecting rod (4) is slidably connected with bracket (3), the connecting plate (5) it is fixedly connected with the other end of connecting rod (4), two the first springs (6) are separately positioned on the both ends of connecting plate (5), described The both ends of first spring (6) are connect with two connecting plates (5) respectively, and the connection unit is evenly distributed on the remote of connecting plate (5) Side from connecting rod (4), the fixed plate (7) by connection unit be arranged connecting plate (5) separate connecting rod (4) one Side；

The cooling mechanism includes blower (15) and two radiating subassemblies, and two radiating subassemblies are separately positioned on the two of main body (2) Side；

The radiating subassembly includes ventilation duct (16), strainer (17), stop collar (18) and two limit assemblies, the ventilation duct (16) it is fixed on main body (2), one end of the ventilation duct (16) is connected to main body (2), the stop collar (18) and ventilation duct (16) inner wall of the other end is fixedly connected, and the strainer (17) is resisted against the side of the separate main body (2) of stop collar (18), institute It states blower (15) to be fixed therein on the inner wall of a ventilation duct (16), two limit assemblies are separately positioned on ventilation duct (16) Above and below the one end of strainer (17), the blower (15) is electrically connected with PLC；

The limit assembly includes pressing plate (19), compression bar (20), gag lever post (21), limit plate (22) and second spring (23), institute The one end for stating gag lever post (21) is vertically fixed on ventilation duct (16), and the other end of the gag lever post (21) and limit plate (22) are solid Fixed connection, one end of the compression bar (20) are equipped with perforation, and the gag lever post (21) passes through perforation, the gag lever post (21) with wear Hole matching, the other end of the compression bar (20) is fixedly connected with pressing plate (19), the both ends of the second spring (23) respectively with limit Position plate (22) and compression bar (20) connect, and the side of the separate main body (2) of the pressing plate (19) and strainer (17) is against described second Spring (23) is in compressive state.

2. the Hall current sensor with heat dissipation and fixed function as described in claim 1, which is characterized in that the connection Unit includes strut (9), support rod (8) and third spring (10), and the vertical cross-section shape of the support rod (8) is U-shaped, described The both ends of support rod (8) are fixedly connected with connecting plate (5), the support rod (8) be equipped with circular hole, the one of the strut (9) End is fixedly connected with fixed plate (7), and the other end of the strut (9) passes through circular hole, and the both ends of the third spring (10) are distinguished It is connect with fixed plate (7) and support rod (8).

3. the Hall current sensor with heat dissipation and fixed function as claimed in claim 2, which is characterized in that the connection Unit further includes supporting plate (11), and one end of the separate fixed plate (7) of the strut (9) is fixedly connected with supporting plate (11).

4. the Hall current sensor with heat dissipation and fixed function as described in claim 1, which is characterized in that the fixation The side of the separate connecting plate (5) of plate (7) is equipped with rubber pad (12).

5. the Hall current sensor with heat dissipation and fixed function as described in claim 1, which is characterized in that the fixation Component further includes pull rod (13), and the pull rod (13) is fixedly connected with connecting rod (4), and the pull rod (13) and connecting rod (4) are hung down Straight setting.

6. the Hall current sensor with heat dissipation and fixed function as described in claim 1, which is characterized in that the fixation Component further includes guide rod (14), and one end of the guide rod (14) is fixedly connected with the inner wall of the aperture of connecting rod (4), described Bracket (3) is equipped with groove, and the inside of groove, the guide rod (14) and groove is arranged in the other end of the guide rod (14) It is slidably connected.

7. the Hall current sensor with heat dissipation and fixed function as described in claim 1, which is characterized in that the main body (2) periphery is coated with thermal grease.

8. the Hall current sensor with heat dissipation and fixed function as described in claim 1, which is characterized in that the strainer It (17) is active carbon filter screen.

9. the Hall current sensor with heat dissipation and fixed function as described in claim 1, which is characterized in that the compression bar (20) shape of perforation is rectangular.

10. the Hall current sensor with heat dissipation and fixed function as described in claim 1, which is characterized in that two logical In air hose (16), far from blower (15) ventilation duct (16) in be equipped with temperature sensor (24), the temperature sensor (24) with PLC electrical connection.

Technical field

The present invention relates to sensor field, in particular to a kind of Hall current sensor with heat dissipation and fixed function.

Background technique

Hall current sensor is based on magnetic balance type hall principle, according to Hall effect principle, from the control of Hall element Current terminal is passed through electric current Ic, and applies the magnetic field that magnetic induction intensity is B in the normal direction of Hall element plane, then hanging down Directly in electric current and magnetic direction (i.e. between Hall output end), a potential VH will be generated, is called Hall voltage, size is just Than in control electric current I.With the product of magnetic induction density B.Have in formula: K is Hall coefficient, is determined by the material of Hall element； I.To control electric current；B is magnetic induction intensity；VH is Hall voltage.

When carrying out detection work, user needs to sense cable across Hall current existing Hall current sensor The center hole of device, but cable is easy to deviate the position of the central axis of Hall current sensor, to influence Hall current sensing The measurement effect of device, moreover, existing Hall current sensor can distribute more heat when carrying out detection work, If in main body when the temperature is excessively high, will affect the normal work of its internal electronic component, Hall current sensor is greatly reduced Practicability.

Summary of the invention

The technical problem to be solved by the present invention is for overcome the deficiencies in the prior art, providing a kind of with heat dissipation and solid Determine the Hall current sensor of function.

The technical solution adopted by the present invention to solve the technical problems is: a kind of Hall electricity with heat dissipation and fixed function Flow sensor, including main body and pedestal, the main body are fixed on the top of pedestal, are equipped with PLC in the pedestal, the main body Shape is circular ring shape, further includes fixed mechanism and cooling mechanism, and the top of pedestal, the heat dissipation machine is arranged in the fixed mechanism Structure is arranged in main body；

The fixed mechanism includes bracket, two the first springs and two fixation kits, the vertical cross-section shape of the bracket Shape is U-shaped, and the both ends of the bracket are each attached to the top of pedestal, and two fixation kits are arranged about the axisymmetrical of main body, First spring is arranged between two fixation kits；

The fixation kit includes connecting plate, connecting rod, fixed plate and several connection units, and one end of the connecting rod is set There is aperture, the bracket passes through aperture, and the connecting rod is connect with bracket slide, and the other end of the connecting plate and connecting rod is solid Fixed connection, two the first springs are separately positioned on the both ends of connecting plate, the both ends of first spring respectively with two connecting plates Connection, the connection unit are evenly distributed on the side of the separate connecting rod of connecting plate, and the fixed plate is set by connection unit It sets in the side of the separate connecting rod of connecting plate；

The cooling mechanism includes blower and two radiating subassemblies, and two radiating subassemblies are separately positioned on the two sides of main body；

The radiating subassembly includes that ventilation duct, strainer, stop collar and two limit assemblies, the ventilation duct are fixed on main body On, one end of the ventilation duct is connected to main body, and the stop collar is fixedly connected with the inner wall of the other end of ventilation duct, the filter Net is resisted against the side of the separate main body of stop collar, and the blower is fixed therein on the inner wall of a ventilation duct, two limits Component is separately positioned on above and below one end of close strainer of ventilation duct, and the blower is electrically connected with PLC；

The limit assembly includes pressing plate, compression bar, gag lever post, limit plate and second spring, and one end of the gag lever post is perpendicular To being fixed on ventilation duct, the other end of the gag lever post is fixedly connected with limit plate, and one end of the compression bar is equipped with perforation, The gag lever post passes through perforation, and the gag lever post is matched with perforating, and the other end of the compression bar is fixedly connected with the pressing plate, and described the The both ends of two springs are connect with limit plate and compression bar respectively, and the side of the separate main body of the pressing plate and strainer is against described Two springs are in compressive state.

Preferably, in order to avoid the excessive damage cable of fixing plate clamp clamp force, the connection unit includes strut, support rod Vertical cross-section shape with third spring, the support rod is U-shaped, and the both ends of the support rod are fixedly connected with connecting plate, The support rod is equipped with circular hole, and one end of the strut is fixedly connected with fixed plate, and the other end of the strut passes through circular hole, The both ends of the third spring are connect with fixed plate and support rod respectively.

Preferably, the connection unit further includes supporting plate in order to avoid strut and support rod are detached from, the strut it is remote One end from fixed plate is fixedly connected with supporting plate.

Preferably, in order to avoid damaging cable, the side of the separate connecting plate of the fixed plate is equipped with rubber pad.

Preferably, the fixation kit further includes pull rod for the ease of mobile connection bar, the pull rod and connecting rod are solid Fixed connection, the pull rod are vertically arranged with connecting rod.

Preferably, the fixation kit further includes guide rod, the guide rod in order to limit the moving direction of connecting rod One end be fixedly connected with the inner wall of the aperture of connecting rod, the bracket is equipped with groove, and the other end of the guide rod is arranged In the inside of groove, the guide rod is slidably connected with groove.

Preferably, the periphery of the main body is coated with thermal grease for improving radiating effect.

Preferably, the function in order to realize purifying and dedusting, the strainer is active carbon filter screen.

Preferably, the shape of the perforation of the compression bar is rectangular in order to avoid shaking when compression bar is mobile.

Preferably, leading intracorporal temperature to detect, in two ventilation ducts, temperature is equipped in the ventilation duct far from blower Sensor, the temperature sensor are electrically connected with PLC.

The invention has the advantages that there is the Hall current sensor of heat dissipation and fixed function to pass through fixed mechanism for this, The function of fixed cable is realized, so that cable and main body are coaxially disposed, measurement accuracy is improved, with existing fixed mechanism phase Than the fixed mechanism can carry out buffering work to cable, avoid the power for clamping cable excessive and damage cable, improve Hall The safety of current sensor realizes the function of heat dissipation by cooling mechanism, avoids main body temperature excessively high, is influencing it just Often work, compared with existing cooling mechanism, which improves the convenience of replacement strainer, and practicability is high.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is the structural schematic diagram of the Hall current sensor with heat dissipation and fixed function of the invention；

Fig. 2 is the portion the A enlarged drawing of Fig. 1；

Fig. 3 is the portion the B enlarged drawing of Fig. 1；

Fig. 4 is the compression bar of the Hall current sensor with heat dissipation and fixed function of the invention and the connection knot of gag lever post Structure schematic diagram；

In figure: 1. pedestals, 2. main bodys, 3. brackets, 4. connecting rods, 5. connecting plates, 6. first springs, 7. fixed plates, 8. Strut, 9. struts, 10. third springs, 11. supporting plates, 12. rubber pads, 13. pull rods, 14. guide rods, 15. blowers, 16. ventilations Pipe, 17. strainers, 18. stop collars, 19. pressing plates, 20. compression bars, 21. gag lever posts, 22. limit plates, 23. second springs, 24. temperature Sensor.

Specific embodiment

In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.

As shown in Figure 1, a kind of Hall current sensor with heat dissipation and fixed function, including main body 2 and pedestal 1, institute The top that main body 2 is fixed on pedestal 1 is stated, PLC is equipped in the pedestal 1, it further includes solid that the shape of the main body 2, which is circular ring shape, Determine mechanism and cooling mechanism, the top of pedestal 1 is arranged in the fixed mechanism, and the cooling mechanism setting is on the body 2；

PLC, i.e. programmable logic controller (PLC), it is used for its internally stored program, is held using a kind of programmable memory The user oriented instruction such as row logical operation, sequential control, timing, counting and arithmetical operation, and by digital or analog defeated Enter/export the various types of mechanical or production processes of control, its essence is a kind of computer for being exclusively used in Industry Control, hardware Structure is substantially identical as microcomputer, the reception and output of processing and the instruction of data is generally used for, for realizing in Centre control.

This has the Hall current sensor of heat dissipation and fixed function by fixed mechanism, realizes the function of fixed cable Can, so that cable and main body 2 are coaxially disposed, improving measurement accuracy by cooling mechanism realizes the function of heat dissipation, avoids leading Temperature is excessively high in body 2, influences its normal work.

As shown in Figure 1, the fixed mechanism includes 3, two the first springs 6 of bracket and two fixation kits, the bracket 3 Vertical cross-section shape be U-shaped, the both ends of the bracket 3 are each attached to the top of pedestal 1, and two fixation kits are about main body 2 Axisymmetrical setting, first spring 6 is arranged between two fixation kits；

The fixation kit includes connecting plate 5, connecting rod 4, fixed plate 7 and several connection units, and the one of the connecting rod 4 End is equipped with aperture, and the bracket 3 passes through aperture, and the connecting rod 4 is slidably connected with bracket 3, the connecting plate 5 and connecting rod 4 The other end be fixedly connected, two the first springs 6 are separately positioned on the both ends of connecting plate 5, the both ends difference of first spring 6 It is connect with two connecting plates 5, the connection unit is evenly distributed on the side of the separate connecting rod 4 of connecting plate 5, the fixed plate 7 the side of the separate connecting rod 4 of connecting plate 5 is arranged in by connection unit；

When installing cable, artificially two connecting rods 4 is driven to move in the direction away from each other, while stretching the first spring 6, then cable so that cable is located between two fixed plates 7, then is decontroled connecting rod 4, pass through first across the annular distance of main body 2 The restoring force of spring 6, so that two connecting rods 4 are mobile to direction close to each other, so that fixed plate 7 clamps cable, it is real Show the function of fixed cable, so that cable and main body 2 are coaxially disposed, improves the detection accuracy of Hall current sensor.

As shown in figure 3, the cooling mechanism includes blower 15 and two radiating subassemblies, two radiating subassemblies are separately positioned on The two sides of main body 2；

The radiating subassembly includes ventilation duct 16, strainer 17, stop collar 18 and two limit assemblies, and the ventilation duct 16 is solid Determine on the body 2, one end of the ventilation duct 16 is connected to main body 2, and the stop collar 18 is interior with the other end of ventilation duct 16 Wall is fixedly connected, and the strainer 17 is resisted against the side of the separate main body 2 of stop collar 18, and the blower 15 is fixed therein one On the inner wall of ventilation duct 16, two limit assemblies are separately positioned on the top of one end of the close strainer 17 of ventilation duct 16 under Side, the blower 15 are electrically connected with PLC；

The limit assembly includes pressing plate 19, compression bar 20, gag lever post 21, limit plate 22 and second spring 23, the limit One end of bar 21 is vertically fixed on ventilation duct 16, and the other end of the gag lever post 21 is fixedly connected with limit plate 22, the pressure One end of bar 20 is equipped with perforation, and the gag lever post 21 passes through perforation, and the gag lever post 21 is matched with perforation, the compression bar 20 The other end is fixedly connected with pressing plate 19, and the both ends of the second spring 23 are connect with limit plate 22 and compression bar 20 respectively, the pressure The side of the separate main body 2 of plate 19 and strainer 17 is against the second spring 23 is in compressive state.

When carrying out heat dissipation work, control blower 15 starts, and the extraneous air of main body 2 is entered after 17 dedusting of filter screen The inside of main body 2, then be discharged from the ventilation duct 16 of the other side, the circulation of air is accelerated, the function of heat dissipation, strainer are realized After 17 long-term works, it is easy to be covered by dust, so that strainer 17 is needed replacing, it is artificial to drive compression bar 20 to separate ventilation duct 16 Direction is mobile, while compressing second spring 23, and band dynamic pressure plate 19 is mobile, so that pressing plate 19 no longer limits the position of strainer 17, just Strainer 17 is disassembled in user, new strainer 17 is put into ventilation duct 16 and with stop collar 18 against rear by user, Compression bar 20 is decontroled, by the restoring force of second spring 23, band dynamic pressure plate 19 is moved down, so that pressing plate 19 limits strainer 17 Position improves the convenience of replacement strainer 17.

As shown in Fig. 2, the connection unit includes strut 9, support rod 8 and third spring 10, the support rod 8 it is vertical Cross sectional shape is U-shaped, and the both ends of the support rod 8 are fixedly connected with connecting plate 5, and the support rod 8 is equipped with circular hole, described One end of strut 9 is fixedly connected with fixed plate 7, and the other end of the strut 9 passes through circular hole, the both ends point of the third spring 10 It is not connect with fixed plate 7 and support rod 8.

When fixed plate 7 clamps cable, to fixed plate 7 one to the power close to connecting plate 5, so that strut 9 is to close to even The direction of fishplate bar 5 is mobile, while compressing third spring 10, by the restoring force of third spring 10, to fixed plate 7 one to separate The cushion effect of connecting plate 5 avoids the power for clamping cable excessive and damages cable to give one cushion effect of cable.

Preferably, the connection unit further includes supporting plate 11, the strut in order to avoid strut 9 and support rod 8 are detached from One end of 9 separate fixed plate 7 is fixedly connected with supporting plate 11.

By the way that supporting plate 11 is arranged, avoids strut 9 and support rod 8 is detached from, influence connection unit work.

Preferably, in order to avoid damaging cable, the side of the separate connecting plate 5 of the fixed plate 7 is equipped with rubber pad 12.

Preferably, the fixation kit further includes pull rod 13 for the ease of mobile connection bar 4, the pull rod 13 and company Extension bar 4 is fixedly connected, and the pull rod 13 is vertically arranged with connecting rod 4.

By the way that pull rod 13 is arranged, drives connecting rod 4 to move on bracket 3 by mobile bar pull rod 13 convenient for user, mention The high convenience of mobile connection bar 4.

As shown in figure 4, the fixation kit further includes guide rod 14, one end of the guide rod 14 is small with connecting rod 4 The inner wall in hole is fixedly connected, and the bracket 3 is equipped with groove, and the inside of groove, institute is arranged in the other end of the guide rod 14 Guide rod 14 is stated to be slidably connected with groove.

Connecting rod 4 drives guide rod 14 to move in groove, limits the mobile side of connecting rod 4 when moving on bracket 3 To so that connecting rod 4 is more stable when mobile.

Preferably, the periphery of the main body 2 is coated with thermal grease for improving radiating effect.

Preferably, the function in order to realize purifying and dedusting, the strainer 17 is active carbon filter screen.

Preferably, the shape of the perforation of the compression bar 20 is rectangular in order to avoid shaking when compression bar 20 is mobile.

It is set as square hole by that will perforate, so that compression bar 20 does not shake when moving along gag lever post 21, is improved Stability when compression bar 20 is mobile.

Preferably, in order to detect the temperature in main body 2, in two ventilation ducts 16, in the ventilation duct 16 far from blower 15 Equipped with temperature sensor 24, the temperature sensor 24 is electrically connected with PLC.

By be arranged temperature sensor 24, detect main body 2 in temperature, when in main body 2 when the temperature is excessively high, control blower The extraneous air of main body 2 is entered the inside of main body 2, then the ventilation duct 16 from the other side by 15 startings after 17 dedusting of filter screen Place's discharge, accelerates the circulation of air, realizes the function of heat dissipation.

When installing cable, artificially two connecting rods 4 is driven to move in the direction away from each other, while stretching the first spring 6, then cable so that cable is located between two fixed plates 7, then is decontroled connecting rod 4, pass through first across the annular distance of main body 2 The restoring force of spring 6, so that two connecting rods 4 are mobile to direction close to each other, so that fixed plate 7 clamps cable, it is real Show the function of fixed cable, so that cable and main body 2 are coaxially disposed, improves the detection accuracy of Hall current sensor.When into When row heat dissipation work, control blower 15 starts, and the extraneous air of main body 2 is entered to the inside of main body 2 after 17 dedusting of filter screen, It is discharged from the ventilation duct 16 of the other side again, accelerates the circulation of air, realize the function of heat dissipation, 17 long-term work of strainer Afterwards, it is easy to be covered by dust, so that strainer 17 is needed replacing, it is artificial to drive compression bar 20 mobile to the direction far from ventilation duct 16, Second spring 23 is compressed simultaneously, band dynamic pressure plate 19 is mobile, so that pressing plate 19 no longer limits the position of strainer 17, it will convenient for user Strainer 17 disassembles, and new strainer 17 is put into ventilation duct 16 and with stop collar 18 against rear by user, decontrols compression bar 20, By the restoring force of second spring 23, band dynamic pressure plate 19 is moved down, so that pressing plate 19 limits the position of strainer 17, is improved Replace the convenience of strainer 17.

Compared with prior art, this has the Hall current sensor of heat dissipation and fixed function by fixed mechanism, realizes The function of fixed cable improves measurement accuracy so that cable and main body 2 are coaxially disposed, should compared with the existing fixed mechanism Fixed mechanism can carry out buffering work to cable, avoid the power for clamping cable excessive and damage cable, improve Hall current The safety of sensor realizes the function of heat dissipation by cooling mechanism, avoids in main body 2 that temperature is excessively high, influences its normal work Make, compared with existing cooling mechanism, which improves the convenience of replacement strainer 17, and practicability is high.

Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.