CN214129911U - Device for preventing human body from electrostatic shock - Google Patents
Device for preventing human body from electrostatic shock Download PDFInfo
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- CN214129911U CN214129911U CN202022997093.3U CN202022997093U CN214129911U CN 214129911 U CN214129911 U CN 214129911U CN 202022997093 U CN202022997093 U CN 202022997093U CN 214129911 U CN214129911 U CN 214129911U
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Abstract
The utility model provides a device for preventing human static electric shock, including discharge needle, insulating casing and metal plane, insulating casing is including the first insulation face, second insulation face and the third insulation face that connect gradually, first insulation face is connected to metal plane's one side, and the third insulation face is connected to the opposite side, first insulation face, second insulation face, third insulation face enclose with metal plane and close formation low pressure moist cavity, the second insulation face is close to human contact surface, certain distance in interval and keep certain insulation resistance between first insulation face and the second insulation face support human contact surface and the metal plane, the one end and the human contact surface of discharge needle are connected, the other end of discharge needle stretches into in the low pressure moist cavity. The utility model provides a pair of prevent device of human electrostatic shock, before human electrostatic potential reached 1.5kV, will effectively avoid the rising of human electrostatic potential through discharge needle corona discharge, simple structure moreover, convenient to carry, convenient to use.
Description
Technical Field
The utility model relates to a prevent electric shock device, concretely relates to prevent device of human static electric shock.
Background
In addition to the dry weather in winter and the frequent wearing of plush or trade clothes by people, people are very easy to generate static electricity accumulation, and many people have the experience of being struck by static electricity in winter, so that the problem of preventing the static electricity from being struck by the static electricity is always more concerned by people. Chinese patent CN202565558U discloses an electronic appliance and office equipment with a static electricity removing device, which comprises an electronic appliance and office equipment body, wherein the static electricity removing device connected with the body structure is arranged on the body part of the electronic appliance and office equipment. The scheme in this patent is through increasing destaticizing device in above-mentioned electronic apparatus, office equipment, and the user only needs to touch the electrically conductive piece on the device at ordinary times, just can be fast, effectual elimination internal static, but it is not very convenient to use, and it reduces human static electric potential and mainly discharges through resistance to ground, need eliminate human static through the mode of touching occasionally.
Human body static electricity is closely related to human body activities, and if a set of device can be conveniently worn on a human body, the human body static electricity potential can be controlled at any time, so that the method is undoubtedly the most convenient method for solving the human body static electricity.
Therefore, how to design a device which is convenient to be worn on the human body and prevents the human body from electrostatic shock is the technical problem to be solved by the utility model.
Disclosure of Invention
The utility model aims at solving the problem in the background art and providing a device for preventing human static electric shock. The utility model provides a pair of prevent device of human electrostatic shock can effectively avoid human self electric potential to exceed 1.5kV, and simple structure has gained better technological effect.
The above technical purpose of the present invention is achieved by the following technical solutions:
the utility model provides a prevent device of human electrostatic shock, includes discharge needle, insulating casing and metal plane, insulating casing is including the first insulation face, the insulating face of second and the insulating face of third that connect gradually, the first insulation face is connected to metal plane's one side, and the insulating face of third is connected to the opposite side, first insulation face, the insulating face of second, the insulating face of third and metal plane enclose to close and form the moist cavity of low pressure, second insulation face fixed connection human contact face, the human contact face runs through the insulating face of second, first insulation face and second insulating face support human contact face and metal plane between certain distance of interval and keep certain insulation resistance, the one end and the human contact face of discharge needle are connected, the other end of discharge needle stretches into in the moist cavity of low pressure.
The device for preventing human body from electrostatic shock as described above, the low-pressure humid cavity is filled with humid air, the relative humidity of the humid air exceeds 60%, and the pressure of the humid air is less than 0.9 times of atmospheric pressure.
The device for preventing human body from electrostatic shock is characterized in that the insulation resistance value between the human body contact surface and the metal plane is 1012～1013Ω。
The device for preventing human body from electrostatic shock is characterized in that the distance between the human body contact surface and the metal plane is 10 mm.
The device for preventing human body from electrostatic shock as described above, the discharge needle has a radius of curvature at its tip such that the corona onset voltage of the discharge needle is lower than 1.5 kV.
The utility model discloses in, relative humidity is big more, and atmospheric pressure is lower, and the radius of curvature of discharge needle is little, and the corona onset voltage on the discharge needle is lower, and human electrostatic potential is also lower, and consequently the possibility by the electric shock is little.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:
the utility model provides a pair of prevent device of human electrostatic shock reaches 1.5kV when human electrostatic potential, will effectively avoid the rising of human electrostatic potential through discharge needle corona discharge, avoids human self electric potential to exceed 1.5kV, simple structure moreover, convenient to carry, convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art, and it is obvious that the following description is only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a device for preventing human body from electrostatic shock according to the present invention.
1-human body contact surface, 2-discharge needle, 3-insulating shell, 4-metal plane, 5-low-voltage moist cavity, 31-first insulating surface, 32-second insulating surface and 33-third insulating surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained without creative work by the ordinary skilled person in the art all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
Referring to fig. 1, a device for preventing human body from electrostatic shock comprises a discharge needle 2, an insulating housing 3 and a metal plane 4, the insulating housing 3 comprises a first insulating surface 31, a second insulating surface 32 and a third insulating surface 33 which are connected in sequence, one side of the metal plane 4 is connected with the first insulating surface 31, the other side is connected with the third insulating surface 33, the first insulating surface 31, the second insulating surface 32 and the third insulating surface 33 form a low-pressure damp cavity 5 by enclosing with the metal plane 4, the second insulating surface 32 is fixedly connected with the human body contact surface 1, the human body contact surface 1 penetrates through the second insulating surface 32, the first insulating surface 31 and the second insulating surface 32 support the human body contact surface 1 and the metal plane 4 at a certain distance and maintain a certain insulating resistance, one end of the discharge needle 2 is connected with the human body contact surface 1, and the other end of the discharge needle 2 extends into the low-pressure moist cavity 5.
In this embodiment, the low pressure humid cavity 5 is filled with humid air having a relative humidity of more than 70% and a pressure of 0.9 times atmospheric pressure.
Preferably, the insulation resistance between the human body contact surface 1 and the metal plane 4 is 1012Omega, the human body contact surface 1 and the metal plane 4 are ensured to be insulated and have no static leakage.
Preferably, the distance between the human body contact surface 1 and the metal plane 4 is 10mm, at which distance it is sufficient for corona discharge to occur.
Preferably, the tips of the discharge needles 2 have a radius of curvature such that the corona onset voltage of the discharge needles 2 is below 1.5 kV. In the present embodiment, the discharge needle 2 has a radius of curvature at its tip of 0.2 mm.
The human body contact surface 1 is always in contact with the human body during use, and the device of the present embodiment may be of a ring type, a wrist type or a waist type, but is not limited to the above-listed forms.
The principle of the utility model is that: the larger the relative humidity is, the lower the air pressure is, the smaller the curvature radius of the discharge needle 2 is, the lower the corona starting voltage on the discharge needle 2 is, and the electrostatic potential of the human body is equal to the potential of the discharge needle 2, so that once the electrostatic potential of the human body is increased to a certain value, corona discharge can be carried out in the low-voltage moist cavity 5, the electrostatic energy of the human body is released, and the potential of the human body can be always maintained at a lower potential. The electrostatic discharge that human electric potential takes place when 2kV can feel a little, so as long as pass through the utility model discloses a device limits discharge needle 2 corona inception voltage below 2kV, just can prevent the electrostatic shock. In this embodiment, the corona discharge needle 2 has a corona discharge voltage lower than 1.5kV, and thus, a person is not affected by an electrostatic shock.
Example 2
The difference from the embodiment 1 is that the human body contact surface 1 and the metal plane 4Insulation resistance value between 1013Omega, under the condition, the human body contact surface 1 and the metal plane 4 have good insulation effect.
Example 3
The difference from the embodiment 1 is that in this embodiment, the low-pressure humid cavity 5 is filled with humid air, the relative humidity of the humid air exceeds 65%, and the pressure of the humid air is 0.8 times of the atmospheric pressure, under which the static electricity preventing effect is good.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The device for preventing the human body from being electrostatically shocked is characterized by comprising a discharge needle (2), an insulating shell (3) and a metal plane (4), wherein the insulating shell (3) comprises a first insulating surface (31), a second insulating surface (32) and a third insulating surface (33) which are sequentially connected, the first insulating surface (31) is connected to one side of the metal plane (4), the third insulating surface (33) is connected to the other side of the metal plane (4), the first insulating surface (31), the second insulating surface (32), the third insulating surface (33) and the metal plane (4) are enclosed to form a low-voltage moist cavity (5), the second insulating surface (32) is fixedly connected with a human body contact surface (1), the human body contact surface (1) penetrates through the second insulating surface (32), the first insulating surface (31) and the second insulating surface (32) support the human body contact surface (1) and the metal plane (4) to be at a certain distance and maintain a certain insulating resistance, one end of the discharge needle (2) is connected with the human body contact surface (1), and the other end of the discharge needle (2) extends into the low-pressure moist cavity (5).
2. The device for preventing electrostatic shocks to the human body as claimed in claim 1, wherein said low-pressure humid cavity (5) is filled with humid air having a relative humidity higher than 60% and a pressure lower than 0.9 times the atmospheric pressure.
3. The device for preventing human body from electrostatic shock as claimed in claim 2, wherein the insulation resistance between the human body contact surface (1) and the metal plane (4) is 1012～1013Ω。
4. The device for preventing human electrostatic shock as claimed in claim 2, wherein the distance between the human body contact surface (1) and the metal plane (4) is 10 mm.
5. The device for preventing human electrostatic shock as claimed in claim 2, wherein said discharge needle (2) has a radius of curvature at its tip such that the corona voltage of the discharge needle (2) is lower than 1.5 kV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022997093.3U CN214129911U (en) | 2020-12-14 | 2020-12-14 | Device for preventing human body from electrostatic shock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022997093.3U CN214129911U (en) | 2020-12-14 | 2020-12-14 | Device for preventing human body from electrostatic shock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214129911U true CN214129911U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022997093.3U Active CN214129911U (en) | 2020-12-14 | 2020-12-14 | Device for preventing human body from electrostatic shock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214129911U (en) |
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2020
- 2020-12-14 CN CN202022997093.3U patent/CN214129911U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220715 Address after: 266000 No.3 Nanhai Road, Shinan District, Qingdao, Shandong Province Patentee after: Du Zhengqin Address before: 266000 room 702, unit 2, building 1, Jinhe Licheng, shuilingshan Road, Huangdao District, Qingdao City, Shandong Province Patentee before: Qingdao Xinhe Ruitong Technology Development Co.,Ltd. |
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| TR01 | Transfer of patent right |