CN211634888U - Automatic electrostatic discharge device - Google Patents
Automatic electrostatic discharge device Download PDFInfo
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- CN211634888U CN211634888U CN201922270932.9U CN201922270932U CN211634888U CN 211634888 U CN211634888 U CN 211634888U CN 201922270932 U CN201922270932 U CN 201922270932U CN 211634888 U CN211634888 U CN 211634888U
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Abstract
The utility model provides an automatic static electricity releasing device on a satellite AIT station, relating to the technical field of anti-static equipment; comprises a foot ring, an anti-static shoe, a host, an electrostatic discharge pad, an electrostatic discharge grounding pile and a metal wire. The static electricity releasing pad is connected with the grounding pile and is insulated from the satellite, and the satellite is independently grounded; the metal sheet on the foot ring is contacted with the skin and is connected with the copper sheet on the sole of the anti-static shoe; the sole is made of an insulating layer made of conductive rubber and is embedded with a quick metal interface connected with the foot ring; when an operator wears the electrostatic discharge shoes to walk on the electrostatic discharge pad, the human body is always in a grounding state, the grounding reliability is greatly improved, and the quality hidden trouble or accident caused by virtual grounding non-grounding or grounding wire hooking is effectively solved.
Description
Technical Field
The utility model relates to a prevent electrostatic apparatus technical field, concretely relates to human static automatic release and intelligent monitoring device especially relate to satellite AIT static automatic release.
Background
A human body static electricity releasing device is placed at an inlet of a satellite AIT station, when an operator enters the station, the static electricity releasing device needs to be touched to release static electricity of a human body, when the operator continuously walks on the station, the human body generates static electricity in the motion process, the static electricity wrist strap needs to be worn by the human body and is directly connected to a ground wire communicated with the ground for static electricity release, as the operation station is frequently operated by multiple persons at the same time, grounding wires are mutually hooked with products, when the human body walks, the connection part of the static electricity wrist and the grounding wire has tensioning and disconnecting actions, if the grounding wire is tensioned and disconnected, the grounding wire rebounds to products on stars such as OSR sheets, solar cells, star sensors and the like, the products are easily damaged, and quality hidden dangers are generated. Meanwhile, when in use, the electrostatic wrist is virtually grounded and ungrounded, so that great potential safety hazards exist.
The patent of chinese utility model with the publication number of CN201571593U proposes an anti-static foot ring, which comprises a foot ring, a metal wire and a metal grounding plate, and has the functions of decoration and practical articles for daily use capable of eliminating static electricity, and can eliminate the trouble and inconvenience brought by static electricity to people to a certain extent. However, the satellite AIT station has high antistatic requirement, the station ground is in a high resistance state after long-time abrasion, the real-time release of static is not facilitated, and once the device fails, the device does not have the fault alarm function of equipment.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a human static automatic release and intelligent monitoring device when guaranteeing human static real-time release, can also carry out real-time supervision to release's reliability.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an automatic electrostatic discharge device comprises a foot ring, an anti-electrostatic shoe, a host, an electrostatic discharge pad, an electrostatic discharge grounding pile and a metal lead; a working power supply, a resistance value monitoring circuit and an alarm circuit are arranged in the host; the anti-static shoe is characterized in that two or more metal sheets are arranged on the foot ring, the metal sheets are connected with the host through metal wires and 3.5mm plugs, and two or more copper sheets are arranged at the heel of the anti-static shoe; the copper sheet is connected with the host through a metal lead and a 3.5mm plug; one of the metal sheets is connected with one end of a resistor through a metal lead, and the other end of the resistor is connected with the copper sheet at the bottom of the anti-static shoe; the electrostatic discharge pads are connected through metal wires, and quick interfaces are arranged on the electrostatic discharge pads and connected with the electrostatic discharge grounding pile through the metal wires.
The utility model discloses further set up to: the foot ring is an annular elastic wrist strap; the elastic wrist strap is 10mm in width, the metal sheet is smaller than the elastic wrist strap in diameter, the minimum distance between the two metal sheets is larger than 0, and the metal sheets are located on the inner peripheral side of the elastic wrist strap.
The utility model is further provided with the surface and the bottom of the anti-static shoes which are provided with the resistance value more than 1.0 × 109Omega insulating layer.
The utility model discloses further set up to: the diameter of the copper sheet is 10mm, the thickness is 2mm, and the center distance between the two copper sheets is 20 mm.
The utility model discloses further set up to: the length of the metal wire between the metal sheet and the resistor is less than 200 mm.
By adopting the technical scheme, the wearing convenience of the foot ring is ensured.
The utility model is further provided with the on-resistance of the electrostatic discharge pad is 1.0 × 105Ω～1.0×106Omega, and the static discharge pad is tiled for a circle around the satellite parking frame.
By adopting the technical scheme, people can walk on the electrostatic discharge pad to work, and the requirement of electrostatic discharge on the electrostatic discharge pad for electrostatic discharge is convenient to realize.
The utility model discloses further set up to: the working voltage of the working power supply is 9V, at least two groups of independent resistance monitoring circuits and alarm circuits respectively communicated with the resistance monitoring circuits are provided, one resistance monitoring circuit is used for monitoring the resistance between two metal sheets on the wrist strap, and the test value is larger than 106The omega alarm circuit is triggered; the other resistance monitoring circuit monitors the resistance value between the two copper sheets of the sole, and the test value is more than 107The omega alarm circuit is triggered.
By adopting the technical scheme, one resistance monitoring circuit monitors the resistance between two metal sheets on the wrist strap in real time through two metal wires with 3.5mm plugs, and when the test value is greater than 106Omega hour (body resistance is about 10)5Omega or so), the abnormal contact between the metal sheet and the human body is indicated, and the single alarm circuit of the host is triggered; the other resistance monitoring circuit monitors the resistance between the two copper sheets of the sole in real time through two metal leads of a 3.5mm plug, and when the test value is far greater than 107Omega hour (on resistance of electrostatic discharge pad 1.0 × 105Ω～1.0×106Omega), the copper sheet is in abnormal contact with the electrostatic discharge pad, and the host double-alarm circuit is triggered.
When the static electricity discharging path is on, the wrist strap is not in effective contact with the skin or the sole is not in effective contact with the static electricity discharging pad, namely an alarm is generated, different alarms indicate faults at different positions, and therefore real-time monitoring of the static electricity leading-out path is achieved; the effective connection and the static real-time elimination from the human body to the static electricity discharge grounding pile through the static electricity discharge pad are realized, and the effective connection condition of the derived channel can be monitored by the aid of two alarm functions.
The utility model discloses further set up to: the resistance value of the resistor between the metal sheet on the foot ring and the shoe sole copper sheet is 105Ω。
Through adopting above-mentioned technical scheme, when the accident is stepped on the live wire, the leakage current through the human body on the foot ring connecting wire is 3.8mA for 380V/100K omega, inject the requirement in < 5mA through human body current when satisfying the electric leakage of standard regulation, ensures human safety.
The utility model discloses further set up to: the thickness of the electrostatic discharge pad is less than 2 mm.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) the utility model is safe, reliable and easy to realize;
(2) through the utility model discloses static automatic release, the static can obtain continuous automatic release, possesses the monitor function who derives the route simultaneously.
(3) The automatic static electricity releasing device is convenient for ensuring the safety of a human body.
Drawings
Fig. 1 is a schematic view of an external structure of an electrostatic automatic discharge device.
Reference numerals: 11. an electrostatic discharge pad; 12. antistatic shoes; 13. a foot ring; 14. a metal wire; 15. a copper sheet; 16. electrostatic discharge grounding posts; 17. a host.
Detailed Description
The embodiment aims to provide a human body static electricity automatic releasing and intelligent monitoring device. The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in figure 1, the human body static electricity automatic releasing and intelligent monitoring device comprises a foot ring 13, an anti-static shoe 12, a host 17, a static electricity releasing pad 11, a static electricity releasing grounding pile 16 and a metal wire 14.
Two metal sheets are arranged on the inner peripheral side of the foot ring 13, the metal sheets are connected with a host 17 through metal leads 14 and a 3.5mm plug, and two copper sheets 15 are arranged at the heel of the anti-static shoe 12; the copper sheet 15 is connected with a host 17 through a metal lead 14 and a 3.5mm plug; one of the metal sheets is connected with one end of a resistor through a metal wire 14, and the other end of the resistor is connected with a copper sheet 15 at the bottom of the anti-static shoe 12; the electrostatic discharge pads 11 are connected by metal wires 14, and the electrostatic discharge pads 11 are provided with quick interfaces and connected with the electrostatic discharge grounding posts 16 by the metal wires 14.
The foot ring 13 is a ring-shaped elastic wrist strap, the width of the elastic wrist strap is 10mm, the diameter of the metal sheet is smaller than the width of the elastic wrist strap, the minimum distance between the two metal sheets is larger than 0, the surface and the bottom of the anti-static shoe 12 are provided with resistance values larger than 1.0 × 109Omega insulating layer, copper sheets 15 with diameter of 10mm and thickness of 2mm, center distance between two copper sheets 15 of 20mm, length of metal wire 14 between metal sheet and resistor less than 200mm, thickness of electrostatic discharge pad 11 less than 2mm, and on-resistance of electrostatic discharge pad 11 of 1.0 × 105Ω～1.0×106Omega, the electrostatic discharge pad 11 is tiled around the satellite stand for a circle for people to walk on to work, which is convenient for realizing the requirement of electrostatic discharge on the electrostatic discharge pad 11; the resistance value of the resistor between the metal sheet on the foot ring 13 and the shoe sole copper sheet 15 is 105Omega, when accidentally stepping on the live wire, the leakage current passing through the human body on the foot ring 13 connecting wire is 380V/100K omega-3.8 mA, and the requirement that the current is limited to be less than 5mA through the human body when the leakage current meets the standard regulation, so that the safety of the human body is ensured.
When a human body stands on the electrostatic discharge pad 11, a static real-time discharge passage is formed between the human body, the anti-static shoes 12, the electrostatic discharge pad 11, the electrostatic discharge grounding pile 16 and the ground, so that the static electricity of the human body can be discharged in real time.
When the shoe is used, the foot ring 13 is worn on any ankle of a human body, so that the skin is ensured to be reliably contacted with the metal sheet on the foot ring 13, the 3.5mm plug is inserted into the corresponding jack on the host 17, and meanwhile, the 3.5mm plug connected with the two copper sheets 15 on the sole is also connected with the host 17. The built-in power supply of the host 17 is turned on to enable the host 17 to be in a working state, and the host 17 is internally provided with a 9V working power supply, two independent resistance value monitoring circuits and two alarm circuits connected with the resistance value monitoring circuits.
A resistance monitoring circuit is used for monitoring the resistance between two metal sheets on the wrist strap in real time through two metal leads 14 of a 3.5mm plug, and when the test value is more than 106Omega hour (body resistance is about 10)5Omega or so), the metal sheet is not normally contacted with the human body, and the single alarm circuit of the host 17 is triggered; the other resistance monitoring circuit monitors the resistance between the two copper sheets 15 of the sole in real time through the two metal leads 14 of the 3.5mm plug, and when the test value is far greater than 107Omega (on-resistance of 1.0 × 10 of electrostatic discharge pad 11)5Ω～1.0×106Omega), the copper sheet 15 is not normally contacted with the electrostatic discharge pad 11, and the host 17 is triggered by a double alarm circuit.
When the static electricity discharging path is on, the wrist strap is not in effective contact with the skin or the sole is not in effective contact with the static electricity discharging pad 11, namely an alarm is generated, different alarms indicate faults at different positions, and therefore real-time monitoring of the static electricity leading-out path is achieved; the effective connection and static real-time elimination from the human body to the static electricity discharge grounding pile 16 through the static electricity discharge pad 11 are realized, the effective connection condition of the derived channel can be monitored by the aid of two alarm functions, when the resistance value is abnormal, an alarm is generated, different alarms indicate faults at different positions, and accordingly real-time monitoring of the static electricity derived channel is realized. The automatic static electricity releasing and intelligent monitoring functions are realized.
The present invention is not limited to the above embodiment, and those skilled in the art can make modifications to the embodiment as required without inventive contribution after reading the present specification, but all the modifications are protected by patent laws within the scope of the claims of the present invention.
Claims (10)
1. An automatic electrostatic discharge device is characterized by comprising a foot ring (13), an anti-static shoe (12), a main machine (17), an electrostatic discharge pad (11), an electrostatic discharge grounding pile (16) and a metal lead (14); a working power supply, a resistance value monitoring circuit and an alarm circuit are arranged in the host (17);
the anti-static shoes are characterized in that two or more metal sheets are arranged on the foot ring (13), the metal sheets are connected with a host (17) through metal leads (14) and a 3.5mm plug, and two or more copper sheets (15) are arranged at heels of the anti-static shoes (12); the copper sheet (15) is connected with a host (17) through a metal lead (14) and a 3.5mm plug;
one of the metal sheets is connected with one end of a resistor through a metal lead (14), and the other end of the resistor is connected with a copper sheet (15) at the bottom of the anti-static shoe (12);
the electrostatic discharge pads (11) are connected through metal wires (14), and the electrostatic discharge pads (11) are provided with quick interfaces and are connected with electrostatic discharge grounding piles (16) through the metal wires (14).
2. The electrostatic automatic discharge device according to claim 1, characterized in that the foot ring (13) is a ring-shaped elastic wrist band; the elastic wrist strap is 10mm in width, the metal sheet is smaller than the elastic wrist strap in diameter, the minimum distance between the two metal sheets is greater than 0, and the metal sheets are located on the inner peripheral side of the elastic wrist strap.
3. The electrostatic automatic discharge device according to claim 1, characterized in that the surface and the bottom of the antistatic shoe (12) are provided with an insulating layer having a resistance value of more than 1.0 x 109 Ω.
4. The electrostatic automatic discharge device according to claim 1, characterized in that the copper sheets (15) have a diameter of 10mm and a thickness of 2mm, and the distance between the centers of the two copper sheets (15) is 20 mm.
5. The electrostatic automatic discharge device according to claim 1, characterized in that the length of the metal wire (14) between the metal sheet and the resistor is less than 200 mm.
6. The electrostatic automatic discharge device according to claim 1, wherein the electrostatic discharge pad (11) has an on-resistance of 1.0 x 105 Ω -1.0 x 106 Ω, and the electrostatic discharge pad (11) is laid flat around the satellite shelf.
7. The automatic electrostatic discharge device according to claim 1, wherein the operating voltage of the operating power supply is 9V, at least two groups of independent resistance value monitoring circuits and alarm circuits respectively communicated with the resistance value monitoring circuits are provided, one of the resistance value monitoring circuits is used for monitoring the resistance value between two metal sheets on the wrist strap, and the alarm circuit is triggered when the test value is larger than 106 Ω; and the other resistance monitoring circuit monitors the resistance value between the two copper sheets (15) of the sole, and the alarm circuit with the test value larger than 107 omega is triggered.
8. The electrostatic automatic discharge device according to claim 1, characterized in that the resistance of the resistor between the metal sheet on the foot ring (13) and the copper sheet (15) of the shoe sole is 105 Ω.
9. The electrostatic discharge device according to claim 1, wherein the electrostatic discharge pad (11) has a thickness of less than 2 mm.
10. An automatic electrostatic discharge device is characterized by comprising a foot ring (13), an anti-static shoe (12), a main machine (17), an electrostatic discharge pad (11), an electrostatic discharge grounding pile (16) and a metal lead (14); a working power supply, a resistance value monitoring circuit and an alarm circuit are arranged in the host (17); the anti-static shoes are characterized in that two or more metal sheets are arranged on the foot ring (13), the metal sheets are connected with a host (17) through metal leads (14) and a 3.5mm plug, and two or more copper sheets (15) are arranged at heels of the anti-static shoes (12); the copper sheet (15) is connected with a host (17) through a metal lead (14) and a 3.5mm plug; one of the metal sheets is connected with one end of a resistor through a metal lead (14), and the other end of the resistor is connected with a copper sheet (15) at the bottom of the anti-static shoe (12); the electrostatic discharge pads (11) are connected through metal wires (14), and the electrostatic discharge pads (11) are provided with quick interfaces and are connected with electrostatic discharge grounding piles (16) through the metal wires (14);
the foot ring (13) is an annular elastic wrist strap; the width of the elastic wrist strap is 10mm, the diameter of the metal sheet is smaller than the width of the elastic wrist strap, the minimum distance between the two metal sheets is larger than 0, and the metal sheets are positioned on the inner peripheral side of the elastic wrist strap; the surface and the bottom of the antistatic shoe (12) are provided with insulating layers with the resistance value of more than 1.0 multiplied by 109 omega; the diameter of the copper sheets (15) is 10mm, the thickness of the copper sheets is 2mm, and the center distance between the two copper sheets (15) is 20 mm; the length of the metal lead (14) between the metal sheet and the resistor is less than 200 mm; the on-resistance of the electrostatic discharge pad (11) is 1.0 multiplied by 105 omega to 1.0 multiplied by 106 omega, and the electrostatic discharge pad (11) is tiled for a circle around the satellite parking frame;
the working voltage of the working power supply is 9V, at least two groups of independent resistance monitoring circuits and alarm circuits respectively communicated with the resistance monitoring circuits are provided, one resistance monitoring circuit is used for monitoring the resistance value between two metal sheets on the wrist strap, and the alarm circuit is triggered when the test value is larger than 106 omega; the other resistance monitoring circuit monitors the resistance value between the two copper sheets (15) of the sole, and the alarm circuit with the test value larger than 107 omega is triggered; the resistance value of the resistor between the metal sheet on the foot ring (13) and the shoe sole copper sheet (15) is 105 omega; the thickness of the electrostatic discharge pad (11) is less than 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922270932.9U CN211634888U (en) | 2019-12-17 | 2019-12-17 | Automatic electrostatic discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922270932.9U CN211634888U (en) | 2019-12-17 | 2019-12-17 | Automatic electrostatic discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211634888U true CN211634888U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922270932.9U Active CN211634888U (en) | 2019-12-17 | 2019-12-17 | Automatic electrostatic discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211634888U (en) |
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2019
- 2019-12-17 CN CN201922270932.9U patent/CN211634888U/en active Active
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