CN219496474U - Electricity safety sensor - Google Patents

Abstract

The utility model discloses an electric safety sensor, which comprises a sleeve, wherein an insulating frame is inserted in the sleeve, a positioning groove is formed in the outer wall of one side of the insulating frame, a circuit board is arranged in the positioning groove through a screw, the top end of the sleeve is in threaded connection with an upper end cover, the bottom end of the sleeve is in threaded connection with a lower end cover, an electric vortex coil is adhered to the inner part of the lower end cover, the output end of the electric vortex coil is electrically connected with a flat cable plug, and one side of the outer wall of the top of the circuit board is electrically connected with a flat cable socket. The lower end cover and the sleeve are connected through threads, the electric vortex coil is positioned in the lower end cover and is connected with the flat cable socket and the circuit board through the flat cable plug, after the electric vortex coil is damaged, an operator only needs to take down the lower end cover and the electric vortex coil together and then replace the flat cable plug with a new lower end cover and the electric vortex coil, and the sensor is not required to be detached and replaced integrally, so that time and labor are saved, and cost is saved.

Description

Electricity safety sensor

Technical Field

The utility model belongs to the technical field of sensors, and particularly relates to an electricity safety sensor.

Background

The electricity safety sensor is a sensor for detecting parameters such as voltage, current, electric power, electric energy and the like in an electric system, and aims to help ensure the safety of electric equipment and personnel; the inductance sensor is a device for realizing non-electric quantity electricity measurement by utilizing the self-inductance of a coil or the change of a mutual inductance coefficient, and can be used for measuring parameters such as displacement, pressure, vibration, strain, flow and the like, and has the advantages of simple structure, high sensitivity, high output power, small output impedance, strong anti-interference capability, high measurement precision and the like, so that the inductance sensor is widely applied to an electromechanical control system;

chinese patent No. CN206459685U discloses an inductance sensor, which comprises a housing, a circuit board and a cable, wherein the circuit board is arranged in the housing, two sides of the circuit board are respectively provided with a patch type LED indicator lamp, the front and rear ends of the housing are respectively sealed and sealed by a front plug and a rear plug, the rear plug is made of a light-transmitting material, the cable passes through the rear plug to be connected with the circuit board, and the cable is connected with the rear plug in a sealing manner.

The current vortex coil is the part most easy to damage in the use process of the inductance type electricity safety sensor, the existing inductance type electricity safety sensor generally adopts an integrated packaging design, and when the current vortex coil is damaged, the whole sensor can be detached and replaced by a new sensor, so that the disassembly and assembly are troublesome, the replacement cost is high, and the electricity safety sensor is provided.

Disclosure of Invention

The present utility model is directed to an electric safety sensor, which solves the above-mentioned problems of the related art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electricity safety sensor, includes the sleeve, telescopic inside is pegged graft and is had the insulating frame, and opens on the outer wall of one side of insulating frame has the constant head tank, the inside of constant head tank is installed the circuit board through the screw, telescopic top threaded connection has the upper end cover, and telescopic bottom threaded connection has the lower extreme cover, the inside bonding of lower extreme cover has electric vortex coil, and electric vortex coil's output electric connection has the winding displacement plug, one side electric connection of the top outer wall of circuit board has the winding displacement socket, and the inside of winding displacement plug joint at the winding displacement socket.

Preferably, the top outer wall of the upper end cover is provided with a rotating groove, the bottom inner wall of the rotating groove is provided with slots distributed at equal distance, the inside of each slot is inserted with a spring and a metal ring, and the springs are positioned below the metal rings.

Preferably, the inside rotation of rotating the groove is connected with the rotating block, and the welding has the contact that is equidistance distribution on the bottom outer wall of rotating the block, integrated into one piece has the contact that is equidistance distribution on the bottom outer wall of contact, and contact and metal ring contact each other, peg graft on the top outer wall of rotating the block has the connecting wire, and the one end of connecting wire is provided with connecting plug, the connecting wire is electric connection with the contact.

Preferably, the side outer wall of the rotating block is rotationally connected with balls which are distributed at equal intervals, the side inner wall of the rotating groove is provided with clamping grooves which are distributed at equal intervals, and the balls are in rolling connection with the inside of the clamping grooves.

Preferably, the top outer wall of the upper end cover is in threaded connection with indicator lamps which are distributed equidistantly, and the indicator lamps are electrically connected with the circuit board.

Preferably, the outside of sleeve is installed the thread bush through the bolt, the outside threaded connection of thread bush has the clamping nut that is equidistantly distributed, and all bonds the rubber pad on the outer wall of clamping nut opposite side.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the lower extreme cap that sets up, through threaded connection between lower extreme cap and the sleeve, and electric vortex coil is located the inside of lower extreme cap, is connected with winding displacement socket and circuit board through winding displacement plug, after electric vortex coil damages, operating personnel only need take down the back with winding displacement plug together with lower extreme cap and electric vortex coil, again with new lower extreme cap and electric vortex coil change can, need not to dismantle and change the sensor is whole, not only labour saving and time saving, save the cost moreover.

2. Through upper end cover and the rotating block that set up, the rotating block rotates the inside of connecting the upper end cover, after the installation is accomplished, because angle, installation technique, size, relative motion scheduling problem, lead to wire and cable to take place to warp, the stress in the wire and cable after the distortion just can drive the rotating block and rotate to make wire and cable automatically regulated to comparatively normal non-distortion state, can prevent effectively that wire and cable from breaking and damaging, thereby lead to problem emergence such as electric leakage, short circuit.

Drawings

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

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

FIG. 3 is a cross-sectional view of the upper end cap structure of the present utility model;

in the figure: 1. a lower end cap; 2. a thread sleeve; 3. an upper end cap; 4. a connecting wire; 5. a connection plug; 6. clamping a nut; 7. a rubber pad; 8. an indicator light; 9. an electric eddy current coil; 10. a sleeve; 11. an insulating frame; 12. a positioning groove; 13. a circuit board; 14. a rotating block; 15. a ball; 16. a contact; 17. a contact; 18. a clamping groove; 19. a slot; 20. a spring; 21. a metal ring; 22. a rotating groove; 23. a flat cable socket; 24. a flat cable plug.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an electricity safety sensor, including sleeve 10, the inside grafting of sleeve 10 has insulating frame 11, and open on the outer wall of one side of insulating frame 11 has constant head tank 12, circuit board 13 is installed through the screw to the inside of constant head tank 12, the top threaded connection of sleeve 10 has upper end cover 3, and the bottom threaded connection of sleeve 10 has lower end cover 1, the inside bonding of lower end cover 1 has electric vortex coil 9, and electric vortex coil 9's output electric connection has winding displacement plug 24, one side electric connection of the top outer wall of circuit board 13 has winding displacement socket 23, and winding displacement plug 24 joint is in the inside of winding displacement socket 23.

From the above description, the present utility model has the following advantageous effects: through the lower extreme cap 1 that sets up, pass through threaded connection between lower extreme cap 1 and the sleeve 10, and electric vortex coil 9 is located the inside of lower extreme cap 1, be connected with winding displacement socket 23 and circuit board 13 through winding displacement plug 24, after electric vortex coil 9 damages, operating personnel only need take down the back with winding displacement plug 24 together with lower extreme cap 1 and electric vortex coil 9, again with new lower extreme cap 1 with electric vortex coil 9 change can, need not to dismantle and change the sensor is whole, not only labour saving and time saving, moreover save the cost.

Further, referring to fig. 1, a threaded sleeve 2 is mounted on the outside of the sleeve 10 by bolts, clamping nuts 6 distributed at equal intervals are connected to the outside of the threaded sleeve 2 in a threaded manner, and rubber pads 7 are adhered to the outer walls of the opposite sides of the clamping nuts 6.

Embodiment two:

referring to fig. 1 to 3, on the basis of the first embodiment, the present utility model provides a technical solution: the top outer wall of upper end cover 3 is gone up and is opened there is rotation groove 22, and it is equidistant slot 19 to open on the bottom inner wall of rotation groove 22, peg graft in the inside of slot 19 has spring 20 and metal ring 21, and spring 20 is located the below of metal ring 21, the inside rotation of rotation groove 22 is connected with rotor 14, and the welding has the contact 16 that is equidistant distribution on the bottom outer wall of rotor 14, integrated into one piece has the contact 17 that is equidistant distribution on the bottom outer wall of contact 16, and contact 17 and metal ring 21 contact each other, peg graft on the top outer wall of rotor 14 has connecting wire 4, and the one end of connecting wire 4 is provided with connecting plug 5, connecting wire 4 is electric connection with contact 16.

By adopting the technical scheme, the upper end cover 3 and the rotating block 14 are arranged, the rotating block 14 is rotationally connected in the upper end cover 3, after installation is completed, the electric wires and the cables are twisted due to the problems of angles, installation methods, sizes, relative movement and the like, and the stress in the twisted electric wires and the cables can drive the rotating block 14 to rotate, so that the electric wires and the cables are automatically adjusted to a normal non-twisted state, and the electric wires and the cables can be effectively prevented from being broken and damaged, thereby causing the problems of electric leakage, short circuit and the like.

Further, referring to fig. 3, balls 15 are rotatably connected to the outer walls of the side surfaces of the rotating block 14, grooves 18 are formed in the inner walls of the side surfaces of the rotating groove 22, the balls 15 are rotatably connected to the inside of the grooves 18, indicator lamps 8 are threadedly connected to the outer walls of the top of the upper end cover 3, and the indicator lamps 8 are electrically connected to the circuit board 13.

The working principle and the using flow of the utility model are as follows: when the device is used, an operator firstly fixedly installs the device at a proper position through the clamping nut 6, then connects the connecting plug 5 with other equipment, and after the installation and connection are completed, if the connecting wire 4 is in a twisted state, the stress generated by the twisting of the connecting wire 4 can drive the rotating block 14 to rotate, and the rotating block 14 drives the contact piece 16 and the contact 17 to slide on the metal ring 21, so that the circuit can still be kept smooth; when the electric vortex coil 9 is damaged, an operator rotates the lower end cover 1, separates the lower end cover 1 and the electric vortex coil 9 from the sleeve 10, then removes the flat cable plug 24 of the electric vortex coil 9 from the flat cable socket 23, then replaces the new lower end cover 1 and the electric vortex coil 9, and fixes the flat cable plug 24 of the new electric vortex coil 9 inside the flat cable socket 23, and then fixes the new lower end cover 1 at the bottom end of the sleeve 10 in a threaded manner.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely illustrative of the present utility model and not restrictive, and other modifications and equivalents thereof may occur to those skilled in the art without departing from the spirit and scope of the present utility model.

Claims (6)

1. An electrical safety sensor comprising a sleeve (10), characterized in that: the inside grafting of sleeve (10) has insulating frame (11), and opens on the outer wall of one side of insulating frame (11) has constant head tank (12), circuit board (13) are installed through the screw to the inside of constant head tank (12), the top threaded connection of sleeve (10) has upper end cover (3), and the bottom threaded connection of sleeve (10) has lower end cover (1), the inside bonding of lower end cover (1) has electric vortex coil (9), and the output electric connection of electric vortex coil (9) has winding displacement plug (24), one side electric connection of the top outer wall of circuit board (13) has winding displacement socket (23), and winding displacement plug (24) joint is in the inside of winding displacement socket (23).

2. An electrical safety sensor according to claim 1, wherein: the novel rotary type spring is characterized in that a rotary groove (22) is formed in the outer wall of the top of the upper end cover (3), slots (19) which are equidistantly distributed are formed in the inner wall of the bottom of the rotary groove (22), a spring (20) and a metal ring (21) are inserted into the slots (19), and the spring (20) is located below the metal ring (21).

3. An electrical safety sensor according to claim 2, wherein: the inside rotation of rotation groove (22) is connected with rotary block (14), and welds on the bottom outer wall of rotary block (14) has contact (16) that are equidistance and distribute, integrated into one piece has contact (17) that are equidistance and distribute on the bottom outer wall of contact (16), and contact (17) and metal ring (21) contact each other, peg graft on the top outer wall of rotary block (14) have connecting wire (4), and the one end of connecting wire (4) is provided with connecting plug (5), connecting wire (4) are electric connection with contact (16).

4. An electrical safety sensor according to claim 3 wherein: the side outer wall of the rotating block (14) is rotationally connected with balls (15) which are distributed at equal distances, the side inner wall of the rotating groove (22) is provided with clamping grooves (18) which are distributed at equal distances, and the balls (15) are in rolling connection with the inside of the clamping grooves (18).

5. An electrical safety sensor according to claim 1, wherein: the top outer wall of the upper end cover (3) is in threaded connection with indicator lamps (8) distributed at equal distance, and the indicator lamps (8) are electrically connected with a circuit board (13).

6. An electrical safety sensor according to claim 1, wherein: the outside of sleeve (10) is installed threaded sleeve (2) through the bolt, the outside threaded connection of threaded sleeve (2) has clamp nut (6) that are equidistantly distributed, and all bonds on the outer wall of clamp nut (6) opposite side has rubber pad (7).