CN215644168U

CN215644168U - Mining explosion-proof radar inductive switch

Info

Publication number: CN215644168U
Application number: CN202120997615.1U
Authority: CN
Inventors: 冯纪栓
Original assignee: Shenzhen Cary Technology Co ltd
Current assignee: Shenzhen Cary Technology Co ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-01-25
Anticipated expiration: 2031-05-11

Abstract

The utility model discloses a mining explosion-proof radar inductive switch, which comprises a control switch, a radar sensor and a rotating motor, wherein the control switch comprises an upper shell and a lower shell, the upper shell is sleeved on the lower shell so as to form an accommodating cavity structure, and a wiring assembly is arranged in the accommodating cavity; the upper part of the lower shell is provided with a control switch component; the radar sensor is arranged on one side of the rotating motor and is fixedly connected with the lower shell; the side surface of the lower shell is provided with a through hole communicated with the accommodating cavity, and the through hole is filled with the dustproof plug; meanwhile, the heat dissipation device is arranged, so that the heat inside the heat dissipation device can be effectively dissipated, and an explosion-proof effect is achieved.

Description

Mining explosion-proof radar inductive switch

Technical Field

The utility model relates to the field of electronic components, in particular to a mining explosion-proof radar inductive switch.

Background

The microswitch is a switch with a micro contact interval and a quick-acting mechanism, a contact mechanism which performs switching action by using a specified stroke and a specified force is covered by a shell, and a driving rod is arranged outside the microswitch, so the microswitch is named as a microswitch, the existing microswitch is provided with a plastic shell, when in operation, an external force pushes a metal contact of a control switch inside through a nylon push rod, so that the control switch is switched on and off, electric sparks are generated at the moment of switching on and off the contact, and the sparks are generated for a plurality of times along with long-time use, so the sparks are always accompanied with temperature, the temperature can be accumulated, the inside of the control switch is in a relatively sealed state, and the temperature cannot be removed in time and changes along with time, so the microswitch can slowly erode the plastic shell, and finally the control switch is an ignition source, in complicated circuit elements and in interleaving of wires, the use of a control switch whose housing is plastic is liable to cause a fire or explosion and reduces the life of the control switch.

However, for the mining microswitch, because the microswitch is applied to a mine shaft, the environmental temperature is higher, and for the microswitch, the higher temperature can cause damage to internal components, so how to realize rapid cooling is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the technology, the utility model provides the mining explosion-proof radar inductive switch; firstly, the radar sensor is arranged, so that whether a person approaches the radar sensor can be effectively monitored, full-automatic control is realized, a manual operation mode is not needed, and the radar monitoring system is simpler and more convenient; meanwhile, the heat dissipation device is arranged, so that the heat inside the heat dissipation device can be effectively dissipated, and an explosion-proof effect is achieved.

In order to achieve the purpose, the utility model provides a mining explosion-proof radar inductive switch which comprises a control switch, a radar sensor and a rotating motor, wherein the control switch comprises an upper shell and a lower shell, the upper shell is sleeved on the lower shell so as to form an accommodating cavity structure, and a wiring assembly is arranged in the accommodating cavity; the upper part of the lower shell is provided with a control switch assembly, the control switch assembly comprises a press switch and a press elastic sheet, the press switch is installed on the upper side of the lower shell, the lower end of the press switch extends into the accommodating cavity to be abutted against the wiring assembly, one end of the press shifting sheet is connected with the micro motor, and the other end of the press shifting sheet extends towards one side of the press switch and is in contact with the press switch; the radar sensor is arranged on one side of the rotating motor and is fixedly connected with the lower shell; and a through hole communicated with the accommodating cavity is formed in the side surface of the lower shell, and a dustproof plug is filled in the through hole.

Preferably, the upper end of the dustproof plug is movably connected with the lower shell, a sliding groove is formed in the inner side of the dustproof plug, and a fixing hole is formed in the lower end of the sliding groove; the lower shell is provided with a sliding rod matched with the sliding groove, one end of the sliding rod is movably connected to the lower shell, and the other end of the sliding rod is clamped into the sliding groove.

Preferably, the push switch protrudes out of the lower shell, the lower end of the push shifting piece is in contact with the upper end of the push switch, the push shifting piece is made of a metal material with good rigidity, and the surface of the push shifting piece is coated with an insulating material.

Preferably, the wiring assembly includes an external terminal and a movable piece, the external terminal is provided with three, including a main terminal and two auxiliary terminals, the main terminal is located at the lower end of the lower housing, and the main terminal abuts against the movable piece, the auxiliary terminal is provided at the other side of the lower housing, the auxiliary terminal is fixed on the lower housing, and an external projection is provided at one side of the auxiliary terminal facing the movable piece.

Preferably, the main terminal and the auxiliary terminal are both made of metal materials with good electric conductivity, and the main terminal and the auxiliary terminal are both provided with connecting through holes.

Preferably, the movable plate comprises a connecting plate, a contact plate and a spring, the connecting plate is installed at the upper end of the contact plate, one end of the connecting plate is abutted to the main terminal, and the other end of the connecting plate is provided with a connecting raised head which is in contact with the outer convex block.

Preferably, one end of the contact piece is fixed in the lower shell, the other end of the contact piece is in contact with the push switch, and the contact piece is connected with the connecting piece through the spring.

Preferably, the control switch is further provided with two mounting holes, and the two mounting holes are symmetrically arranged at opposite angles of the control switch.

The utility model has the beneficial effects that: compared with the prior art, the mining explosion-proof radar inductive switch provided by the utility model is firstly provided with the radar sensor, whether a person approaches the switch or not is judged by using the radar sensor, when the person approaches the switch, the micro motor is controlled to rotate, so that the pressing elastic sheet is driven to move, the pressing switch is further driven to move downwards, the contact piece moves downwards, at the moment, the connecting piece is connected with the connecting raised head to be abutted against the auxiliary terminal at the upper end under the action of the spring, a switch circuit is switched on, subsequent corresponding actions are realized, and when no person approaches the switch, the main terminal is always communicated with the auxiliary terminal at the lower end; meanwhile, the heat dissipation device is arranged, so that internal heat dissipation can be effectively realized, and the use safety is ensured.

Drawings

FIG. 1 is a main body structure view of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is an internal structural view of the present invention;

fig. 4 is an exploded view of a portion of the structure of the present invention.

The main element symbols are as follows:

1. lower casing 2, upper casing 3, control switch assembly 4, radar sensor 5, rotating electrical machines

6. Mounting hole 7, main terminal 8, auxiliary terminal 9, connecting through hole 11, connecting sheet 12, spring 13 and contact sheet

14. Slide bar 15, slide groove 16, dust plug 31, push shifting piece 32, push switch 81 and first auxiliary terminal

82. And a second sub-terminal.

Detailed Description

In order to make the present invention clearer, the present invention is further described below with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, the utility model discloses a mining explosion-proof radar inductive switch, which comprises a control switch, a radar sensor 4 and a rotating motor 5, wherein the control switch comprises an upper shell 2 and a lower shell 1, the upper shell 2 is sleeved on the lower shell 1, so that an accommodating cavity structure is formed, and a wiring assembly is arranged in the accommodating cavity; the upper part of the lower shell 1 is provided with a control switch component 3, the control switch component 3 comprises a press switch 32 and a press spring sheet 31, the press switch 32 is arranged on the upper side of the lower shell 1, the lower end of the press switch 32 is deeply inserted into the containing cavity and is abutted with the wiring component, one end of the press shifting sheet 31 is connected with the micro motor 4, and the other end of the press shifting sheet extends towards one side of the press switch 32 and is contacted with the press switch 32; the radar sensor 4 is arranged on one side of the micro motor 5 and is fixedly connected with the lower shell 1. The side of the lower shell 1 is provided with a through hole communicated with the containing cavity, the through hole is filled with a dustproof plug 16, in a specific embodiment, the induction door can be applied to an induction door area, so that automatic induction is realized, more specifically, a radar sensor can be used for capturing the walking speed of a user and the distance between the user and the induction door, so that the time of the user reaching the induction door is calculated, the induction door is opened and closed, the induction switch provided by the application is installed and connected with a control circuit of the induction door, and when the radar sensor detects that the user approaches, the micro motor rotates to drive the pressing elastic sheet to extrude the pressing switch, so that an internal wiring component is driven to realize the connection of the circuit, the control circuit of the induction door is switched on, the induction door is opened, and the use requirement is met; in addition, the side face of the lower shell is provided with the dustproof plug communicated with the accommodating cavity, and the dustproof plug can be opened if the temperature is too high, so that heat dissipation is performed quickly, and in the specific application process, the filter screen can be further installed inside the through hole, so that foreign matters can be effectively prevented from entering the accommodating cavity after the opening process.

In order to realize the scheme, the upper end of the dustproof plug 16 is movably connected with the lower shell 1, the inner side of the dustproof plug 16 is provided with a sliding groove 15, and the lower end of the sliding groove 15 is provided with a fixing hole; the lower shell 1 is provided with a sliding rod 14 matched with the sliding groove 15, one end of the sliding rod 14 is movably connected on the lower shell 1, and the other end is clamped in the sliding groove 15. In the embodiment, the sliding groove and the sliding rod are arranged in the dustproof plug, so that after the dustproof plug is opened, the sliding rod extends into the fixing hole to limit the dustproof plug; when the sliding rod is stored, the sliding rod moves to the top end of the sliding groove, and the dustproof plug is completely attached to the through hole.

The push switch 32 protrudes out of the lower shell 1, the lower end of the push shifting piece 31 is in contact with the upper end of the push switch 32, the push shifting piece 31 is made of a metal material with good rigidity, and the surface of the push switch is coated with an insulating material. In this embodiment, if the micro motor can not move, the pressing toggle piece is particularly arranged, the pressing toggle piece can be manually driven to move towards, so that the pressing switch can be extruded, and the switch can be ensured to stably work.

The wiring assembly comprises an external terminal and a movable piece, the external terminal is three in number and comprises a main terminal 7, a first auxiliary terminal 81 and a second auxiliary terminal 82, the main terminal 7 is located at the lower end of the lower shell 1, the main terminal 7 is abutted to the movable piece, the auxiliary terminal is arranged on the other side of the lower shell and fixed on the lower shell, and an outer convex block is arranged on one side, facing the movable piece, of the auxiliary terminal. The main terminal 7 and the auxiliary terminal 8 are both made of metal materials with good electric conductivity, and the main terminal and the auxiliary terminal are both provided with connecting through holes 9. In this embodiment, the first auxiliary terminal and the second auxiliary terminal are connected with different external circuits, under normal conditions, the main terminal is a live wire, the first auxiliary terminal 81 is a zero line, the second auxiliary terminal 82 is a ground wire, when the working is not performed, the main terminal is communicated with the second auxiliary terminal, the live wire is grounded, the use safety is ensured, when the electric switch is used, the main terminal is communicated with the first auxiliary terminal, and the live wire is communicated with the zero line to realize the circuit communication of the load.

The movable piece comprises a connecting piece 11, a contact piece 13 and a spring 12, wherein the connecting piece 12 is arranged at the upper end position of the contact piece 13, one end of the connecting piece 11 is abutted with the main terminal 7, and the other end of the connecting piece is provided with a connecting raised head which is contacted with the outer convex block. One end of the contact piece 13 is fixed in the lower shell, the other end of the contact piece is contacted with the push switch, and the contact piece 13 is connected with the connecting piece 11 by a spring 12. In the embodiment, the connecting raised head of the connecting sheet is connected with different auxiliary terminals, so that the on-off of the switch circuit is realized, more specifically, one end of the connecting sheet is clamped on the main terminal, and a part of the connecting sheet extends outwards to form an extending part; when no force is applied to the extension part, the spring restores to deform, and the connecting sheet is contacted with the second auxiliary terminal.

The control switch is further provided with two mounting holes 6, and the two mounting holes 6 are symmetrically arranged on the diagonal positions of the control switch. Be provided with the mounting hole, can effectively fix whole device, in the in-service use process, can adopt insulating corrosion resistant material to make with last casing and lower casing, reach the purpose of protection inside components and parts further, ensure safe in utilization.

The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. The mining explosion-proof radar inductive switch is characterized by comprising a control switch, a radar sensor and a rotating motor, wherein the control switch comprises an upper shell and a lower shell, the upper shell is sleeved on the lower shell to form an accommodating cavity structure, and a wiring assembly is arranged in the accommodating cavity; the upper part of the lower shell is provided with a control switch assembly, the control switch assembly comprises a press switch and a press shifting sheet, the press switch is arranged on the upper side of the lower shell, the lower end of the press switch is deeply inserted into the accommodating cavity and is abutted to the wiring assembly, one end of the press shifting sheet is connected with the micro motor, and the other end of the press shifting sheet extends towards one side of the press switch and is in contact with the press switch; the radar sensor is arranged on one side of the rotating motor and is fixedly connected with the lower shell; and a through hole communicated with the accommodating cavity is formed in the side surface of the lower shell, and a dustproof plug is filled in the through hole.

2. The mining explosion-proof radar inductive switch according to claim 1, wherein the upper end of the dust plug is movably connected with the lower housing, a chute is arranged on the inner side of the dust plug, and a fixing hole is arranged at the lower end of the chute; the lower shell is provided with a sliding rod matched with the sliding groove, one end of the sliding rod is movably connected to the lower shell, and the other end of the sliding rod is clamped into the sliding groove.

3. The mining explosion-proof radar sensing switch according to claim 1, wherein the push switch protrudes from the lower housing, the lower end of the push paddle is in contact with the upper end of the push switch, and the surface of the push paddle is coated with an insulating material.

4. The mining explosion-proof radar inductive switch of claim 1, wherein the wiring assembly comprises three external terminals and a movable piece, the three external terminals comprise a main terminal and two auxiliary terminals, the main terminal is located at the lower end position of the lower shell, the main terminal is abutted against the movable piece, the auxiliary terminals are arranged at the other side of the lower shell, the auxiliary terminals are fixed on the lower shell, and one side of the auxiliary terminals facing the movable piece is provided with an external lug.

5. The mining explosion-proof radar inductive switch of claim 4, wherein the main terminal and the auxiliary terminal are made of conductive metal materials, and connecting through holes are formed in the main terminal and the auxiliary terminal.

6. The mining explosion-proof radar inductive switch of claim 4, wherein the movable plate comprises a connecting plate, a contact plate and a spring, the connecting plate is installed at the upper end position of the contact plate, one end of the connecting plate is abutted against the main terminal, and the other end of the connecting plate is provided with a connecting raised head which is in contact with the outer convex block.

7. The mining explosion-proof radar sensing switch according to claim 6, wherein one end of the contact piece is fixed in the lower shell, the other end of the contact piece is in contact with the push switch, and the contact piece and the connecting piece are connected through the spring.

8. The mining explosion-proof radar inductive switch according to claim 1, wherein the control switch is further provided with two mounting holes, and the two mounting holes are symmetrically arranged on opposite corners of the control switch.