CN-122004566-A - Dust-free shoe with toxic gas detection and alarm functions

Abstract

The invention relates to the technical field of red light LEDs, in particular to a dust-free shoe with a toxic gas detection alarm function, which comprises a dust-free shoe body and a toxic gas detection alarm, wherein the toxic gas detection alarm is arranged on the dust-free shoe body, a detection end of the toxic gas detection alarm is arranged towards the ground, and the detection end is directly aligned to a low-level space where toxic gas is easy to gather by utilizing the sedimentation characteristic of toxic gas used in the production of a red light LED epitaxial wafer.

Inventors

• MA YE
• MA KUNWANG
• LIU YING
• CHEN BINGYANG
• CAI HAIFANG
• QIU YUQING

Assignees

• 福州华兆光电有限公司

Dates

Publication Date

20260512

Application Date

20260326

Claims (10)

1. 1. The dust-free shoe with the toxic gas detection alarm function is characterized by comprising a dust-free shoe body and a toxic gas detection alarm, wherein the toxic gas detection alarm is arranged on the dust-free shoe body; the detection end of the toxic gas detection alarm instrument is arranged towards the ground and is used for monitoring the concentration of toxic gas used in the production of the red light LED epitaxial wafer at a position close to the ground in real time and sending an alarm signal when the concentration exceeds a set threshold value.
2. 2. The dust-free shoe with the toxic gas detection alarm function according to claim 1, wherein an alarm response module, a toxic gas detection module and an alarm signal output module are arranged in the toxic gas detection alarm, and the alarm response module is electrically connected with the toxic gas detection module and the alarm signal output module respectively.
3. 3. The dust-free shoe with the toxic gas detection alarm function according to claim 2, wherein the toxic gas detection module comprises a resistor R1, a capacitor C and a gas-sensitive resistor sensor a, and a detection end of the gas-sensitive resistor sensor a is arranged towards the ground; One end of the capacitor C is respectively and electrically connected with the gas-sensitive resistance sensor A, one end of the resistor R1, the alarm response module and the alarm signal output module, the other end of the capacitor C is respectively and electrically connected with the gas-sensitive resistance sensor A, the alarm response module and the alarm signal output module, and the other end of the resistor R1 is electrically connected with the gas-sensitive resistance sensor A.
4. 4. A dust-free shoe with a toxic gas detection warning function according to claim 3, characterized in that the gas-sensitive resistance sensor a is a semiconductor type gas-sensitive element having selective sensitivity to phosphane and arsine.
5. 5. The dust-free shoe with the toxic gas detection alarm function according to claim 2, wherein the alarm response module comprises a slide rheostat RP, a triode V1, a resistor R2 and a chip IC, and the type of the chip IC is KD9561; The second pin of chip IC is connected with one end electricity of resistance R2, the fourth pin of chip IC is connected with alarm signal output module electricity, the eighth pin of chip IC is connected with toxic gas detection module and alarm signal output module electricity respectively, the other end of resistance R2 is connected with triode V1's collecting electrode electricity, slide end and triode V1's base electricity of slide rheostat RP are connected, one stiff end and the toxic gas detection module electricity of slide rheostat RP are connected, another stiff end and toxic gas detection module, triode V1's projecting pole and alarm signal output module electricity respectively of slide rheostat RP.
6. 6. The dust-free shoe with the toxic gas detection alarm function according to claim 2, wherein the alarm signal output module comprises a triode V2 and a loudspeaker B; the base of triode V2 is connected with alarm response module electricity, triode V2's projecting pole is connected with poisonous gas detection module and alarm response module electricity respectively, triode V2's collecting electrode is connected with loudspeaker B's one end electricity, loudspeaker B's the other end is connected with poisonous gas detection module and alarm response module electricity respectively.
7. 7. The dust-free shoe with the toxic gas detection alarm function according to claim 2, wherein a power module is further arranged in the toxic gas detection alarm, and the power module is electrically connected with the alarm response module, the toxic gas detection module and the alarm signal output module respectively.
8. 8. The dust-free shoe with the toxic gas detection alarm function according to claim 2, wherein a display screen is further arranged on the toxic gas detection alarm, and the display screen is electrically connected with the alarm response module.
9. 9. The dust-free shoe with the toxic gas detection alarm function according to claim 1, wherein the toxic gas detection alarm is mounted on the side surface of the dust-free shoe body through an adjustable fixing strap.
10. 10. The dust-free shoe with a toxic gas detection warning function according to claim 1, characterized in that the set threshold value comprises a concentration threshold value of 200 ppm for phosphane and/or 250 ppm for arsine.

Description

Dust-free shoe with toxic gas detection and alarm functions Technical Field The invention relates to the technical field of red light LEDs, in particular to a dust-free shoe with a toxic gas detection and alarm function. Background The red light emitting diode (i.e., LED) of GaAs-based AlGaInP is widely used in the fields of illumination, display, medical treatment, etc. due to its advantages of high brightness, high stability, low power consumption, long life, etc. However, the V-group source phosphane (PH 3) and arsine (AsH 3) used in the GaAs-based red LED epitaxial wafer production are extremely toxic and flammable dangerous gases, such as 200 ppm and 250 ppm, which are deadly concentrations respectively, and when exposed to the deadly concentrations for several minutes, the exposure causes death, which has serious threat to life and industrial production safety, so that the timely monitoring and alarming of the leakage of the phosphane and arsine in the red LED epitaxial wafer production are particularly important to give the personnel in the workshop enough safe time for evacuation. Disclosure of Invention The invention aims to solve the technical problem of providing the dust-free shoes with the toxic gas detection and alarm functions, which can realize the real-time monitoring of the toxic gas concentration in a low-level space, and timely send out alarm signals when the gas concentration exceeds a safety threshold value, so that the life health and safety of workshop staff are ensured. In order to solve the technical problems, the invention adopts the following technical scheme: The dust-free shoe with the toxic gas detection alarm function comprises a dust-free shoe body and a toxic gas detection alarm, wherein the toxic gas detection alarm is arranged on the dust-free shoe body; the detection end of the toxic gas detection alarm instrument is arranged towards the ground and is used for monitoring the concentration of toxic gas used in the production of the red light LED epitaxial wafer at a position close to the ground in real time and sending an alarm signal when the concentration exceeds a set threshold value. The invention has the beneficial effects that: According to the scheme, the toxic gas detection alarm is arranged on the dust-free shoe body and the detection end is arranged towards the ground, the sedimentation characteristics of toxic gas used in the production of the red light LED epitaxial wafer are utilized, the detection end is directly aligned to a low-level space where the toxic gas is easy to gather, so that the toxic gas concentration in a current area can be captured more quickly and accurately, the real-time monitoring of the toxic gas concentration is realized, an alarm signal is timely sent when the concentration exceeds a set threshold value, sufficient evacuation time is obtained for personnel in a workshop, the life health and safety of personnel in the operation process are effectively ensured, the detection alarm is combined with the dust-free shoe, normal operation of personnel is not influenced, dynamic monitoring of different areas can be realized along with the movement of personnel, monitoring blind areas are avoided, and the whole safety protection level of the red light LED epitaxial wafer production workshop is improved. Drawings FIG. 1 is a schematic view showing the construction of a dust-free shoe with a toxic gas detection alarm function according to the present invention; FIG. 2 is a block diagram showing the connection of a dust-free shoe with a toxic gas detection alarm function according to the present invention; FIG. 3 is a schematic circuit diagram of a dust-free shoe with toxic gas detection alarm function according to the present invention; Description of the reference numerals: 1. a dust-free shoe body; 2. a toxic gas detection alarm; 21, an alarm response module; 22, a toxic gas detection module; the alarm signal output module is 23, the power supply module is 24; 3. A display screen; 4. a fixing belt. Detailed Description In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings. Referring to fig. 1, a dust-free shoe with a toxic gas detection alarm function comprises a dust-free shoe body 1 and a toxic gas detection alarm 2, wherein the toxic gas detection alarm 2 is arranged on the dust-free shoe body 1; the detection end of the toxic gas detection alarm instrument 2 is arranged towards the ground, and is used for monitoring the concentration of toxic gas used in the production of the red light LED epitaxial wafer at a position close to the ground in real time and sending an alarm signal when the concentration exceeds a set threshold value. From the above description, the beneficial effects of the invention are as follows: According to the scheme, the toxic gas detection a