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Angle grinder capable of sensing infrared rays

An angle grinder, infrared technology, used in grinding/polishing equipment, grinding/polishing safety devices, grinding machines, etc., can solve the problems of heat source, light source interference, infrared radiation being easily blocked, and failure to trigger recovery in time

Pending Publication Date: 2022-04-29
刘纪昭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. Easily interfered by various heat sources and light sources
[0006] 2. Passive infrared penetration is poor, the infrared radiation of the human body is easily blocked, and it is not easy to be received by the probe
[0007] 3. Susceptible to interference from radio frequency radiation
[0008] 4. Electronic devices that do not receive signals cannot be triggered and recovered in time

Method used

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  • Angle grinder capable of sensing infrared rays
  • Angle grinder capable of sensing infrared rays
  • Angle grinder capable of sensing infrared rays

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0027] see Figure 1-Figure 4 , the present invention provides a technical solution: an infrared induction angle grinder, including a metal machine head 1 and a handle 2, the metal machine head 1 is respectively provided with a spindle lock button 5 and an emergency stop button 6, the metal machine A grinding head 7 is movable on the head 1, a filter sheath 8 is fixedly installed on the connecting shaft of the grinding head 7, a power cord 3 is connected to one end of the handle 2, a motor is fixedly installed inside the handle 2, and a motor is fixed inside the handle 2. A motor cooling frame 4 is fixedly installed through the inner wall, a power switch 9 is arranged on the tail end side of the handle 2, and an induction circuit is arranged in the handle 2, and the induction circuit includes an infrared emitting tube 10, an infrared receiving tube and a relay.

[0028] In this embodiment, the surface of the handle 2 is provided with anti-skid lines.

[0029] In this embodime...

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Abstract

The invention relates to the technical field of angle grinders, and discloses an infrared ray sensing angle grinder which comprises a metal machine head and a handheld handle, a main shaft locking button and an emergency stop button are arranged on the metal machine head, a grinding head is movably installed on the metal machine head, a filtering protective sleeve is fixedly installed on a connecting shaft of the grinding head, and an infrared ray sensing device is installed on the filtering protective sleeve. One end of the handheld handle is connected with a power line, a motor is fixedly installed in the handheld handle, a motor heat dissipation frame is fixedly installed in the inner wall of the handheld handle in a penetrating mode, and an induction circuit is arranged in the handheld handle. When a shielding object exists between the VD1 and the VD2, the triode VT is saturated and connected, and the relay K1 works, and when the shielding object exists between the VD1 and the VD2, the reverse resistance becomes great, the triode VT is cut off, and the relay K1 does not work.

Description

technical field [0001] The invention relates to the technical field of angle grinders, in particular to an angle grinder that senses infrared rays. Background technique [0002] When the angle grinder is in daily use, the usual operation steps are: first plug in the power supply, then turn on the switch, turn off the switch after use, and finally unplug the power supply. However, in order to work efficiently, many times the staff often have several situations: the power plug is pulled out without turning off the switch, so that the machine is forcibly shut down, or the angle grinder operator forgets to turn off the angle grinder due to a power failure during the use of the angle grinder. Turn off the power switch of the grinder or forget to unplug the power plug of the angle grinder. When the power supply is restored, the angle grinder will suddenly start up unexpectedly. ; In the process of using the angle grinder, the angle grinder is out of hand due to an accident, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B23/02B24B55/00
CPCB24B23/028B24B55/00
Inventor 刘纪昭陈智军佟翰刘雨晗姚天雨陈文萱
Owner 刘纪昭
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