CN212482711U - Anti-interference forehead temperature gun - Google Patents
Anti-interference forehead temperature gun Download PDFInfo
- Publication number
- CN212482711U CN212482711U CN202020741751.XU CN202020741751U CN212482711U CN 212482711 U CN212482711 U CN 212482711U CN 202020741751 U CN202020741751 U CN 202020741751U CN 212482711 U CN212482711 U CN 212482711U
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- interference
- conductive paint
- tamper
- measuring
- wall
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Abstract
The application provides an anti-interference forehead temperature measuring gun relates to forehead temperature measuring gun technical field, including the casing, locate the casing in be used for measuring temperature's measuring unit to and locate shells inner wall and be used for shielding electromagnetic wave interference's shielding layer, get up measuring unit protection through setting up the shielding layer, prevent that measuring unit from receiving the influence of external electromagnetic field, play shielding electromagnetic wave interference's effect, improve the measuring degree of accuracy.
Description
Technical Field
The application relates to the technical field of forehead temperature guns, in particular to an anti-interference forehead temperature gun.
Background
At present, a common forehead temperature gun measures infrared radiation power through an infrared temperature sensor to acquire temperature signals, the acquired signals are converted into digital signals through a signal processing circuit and then sent to a main control board, the main control board analyzes and calculates the digital signals to obtain forehead temperature of a person, and finally the forehead temperature is displayed through an LCD display circuit.
However, the conventional forehead temperature gun has poor electromagnetic protection capability and is easily interfered by an external electromagnetic wave environment to influence the accuracy of temperature measurement, so that the accuracy is questioned. Therefore, there is a need for an improvement of the existing forehead temperature gun.
Disclosure of Invention
This application provides an anti-interference forehead temperature rifle in order to solve current forehead temperature rifle and influence the technical problem of measuring accuracy easily by the electromagnetic wave.
The following technical scheme is adopted in the application:
anti-interference forehead temperature rifle includes the casing, locates the measuring component who is used for measuring the temperature in the casing, and locates shells inner wall just is used for shielding electromagnetic wave interference's shielding layer.
According to the anti-interference forehead temperature gun, the shielding layer is made of the conductive paint coated on the inner wall of the shell.
According to the anti-interference forehead temperature gun, the conductive paint is any one of copper conductive paint, silver-copper conductive paint or nickel conductive paint.
The anti-interference forehead temperature gun is characterized in that the thickness of the conductive paint coating is 0.02-0.1 mm.
According to the anti-interference forehead temperature gun, the shielding layer is the magnetism isolating sheet attached to the inner wall of the shell.
The anti-interference forehead temperature gun is characterized in that the magnetism isolating sheet is any one of a ferrite magnetism isolating sheet, a nanocrystalline magnetism isolating sheet and a wave-absorbing material magnetism isolating sheet.
The anti-interference forehead temperature gun is characterized in that the thickness of the magnetism isolating sheet is 0.1mm-1.5 mm.
The anti-interference forehead temperature gun comprises a measuring assembly and a control assembly, wherein the measuring assembly comprises a main control board and an infrared temperature sensor connected with the main control board.
According to the anti-interference forehead temperature gun, the lower portion of the shell is provided with the battery placing bin, and the outer wall of the battery placing bin is provided with the shielding layer.
Compared with the prior art, the beneficial effects of this application are as follows:
1. the utility model provides an anti-interference forehead temperature gun, including the casing, locate the casing in be used for measuring temperature's measuring unit to and locate shells inner wall and be used for shielding electromagnetic interference's shielding layer, protect measuring unit through setting up the shielding layer, prevent that measuring unit from receiving the influence of external electromagnetic field, play shielding electromagnetic interference's effect, improve the measuring degree of accuracy.
2. The utility model provides a shielding layer is for scribbling the conductive paint who locates shells inner wall, and conductive paint is electromagnetic interference resistance's shielding coating, establishes on shells inner wall through scribbling conductive paint for conductive paint surrounds measuring component, prevents that measuring component from receiving the influence of external electromagnetic field, then improves the accuracy that detects.
3. The shielding layer can also be a magnetic shielding sheet attached to the inner wall of the shell, the magnetic shielding sheet is made of soft magnetic materials and is attached to the inner wall of the shell, and the electromagnetic field interference eliminating, reducing or isolating effect can be achieved between the measuring assembly and the outside, so that the influence of electromagnetic waves is attenuated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
Fig. 1 is a schematic cross-sectional view of the tamper-resistant forehead thermometer of the present application.
Fig. 2 is a partially enlarged view of portion i in fig. 1.
Detailed Description
Referring to fig. 1-2, the anti-interference forehead temperature gun includes a housing 1, a measuring component 2 disposed in the housing 1 for measuring temperature, and a shielding layer 3 disposed on an inner wall of the housing 1 for shielding electromagnetic interference.
The utility model provides an anti-interference forehead temperature gun, include casing 1, locate casing 1 in be used for measuring temperature's measuring component 2, and locate 1 inner wall of casing just is used for shielding electromagnetic wave interference's shielding layer 3, through setting up shielding layer 3 protects measuring component 2, prevents that measuring component 2 from receiving the influence of external electromagnetic field, plays the effect of shielding electromagnetic wave interference, improves the measuring degree of accuracy.
In the first embodiment of the present application, the shielding layer 3 is a conductive paint coated on the inner wall of the housing 1. The conductive paint is the shielding coating for preventing electromagnetic wave interference, and is coated on the inner wall of the shell 1, so that the conductive paint surrounds the measuring component 2, the measuring component 2 is prevented from being influenced by an external electromagnetic field, and the accuracy of detection is improved.
Preferably, the conductive paint is any one of copper conductive paint, silver copper conductive paint or nickel conductive paint. The copper conductive paint is sprayed on the inner wall of the shell 1, and after the conductive paint film is dried, the conductive silver-copper powder forms a compact conductive layer film which can play a better role in shielding electromagnetic radiation, resisting electromagnetic wave interference and preventing static electricity.
Preferably, the conductive paint coating thickness is 0.02-0.1 mm. Preferably the thickness of the film is 0.03mm,
in the second embodiment of the present application, the shielding layer 3 is a magnetic shielding sheet attached to the inner wall of the housing 1. The magnetism isolating sheet is made of soft magnetic materials and is adhered to the inner wall of the shell 1, and the magnetism isolating sheet can play a role in eliminating, reducing or isolating electromagnetic field interference between the measuring assembly 2 and the outside, so that the influence of electromagnetic waves is attenuated.
Preferably, the magnetic separation sheet is any one of a ferrite magnetic separation sheet, a nanocrystalline magnetic separation sheet and a wave-absorbing material magnetic separation sheet. The electromagnetic wave interference suppression function is achieved.
Preferably, the thickness of the magnetism isolating sheet is 0.1mm-1.5 mm. Preferably, the adhesive tape is adhered to the position corresponding to the measuring component 2 in the shell 1, surrounds the measuring component 2 and plays a role in isolating electromagnetic waves.
Preferably, the measuring assembly 2 includes a main control board 21 and an infrared temperature sensor 22 connected to the main control board 21. All objects with temperature higher than zero (-273.15 deg.C) emit infrared energy to surrounding space ceaselessly. The radiation characteristics, the magnitude of the radiation energy, the wavelength distribution and the like of the surface of the object are closely related to the surface temperature of the object. In turn, by measuring the infrared energy radiated by the object itself, the surface temperature can be accurately determined, which is the mechanism of infrared radiation thermometry. The human body, like other organisms, radiates infrared energy to the surroundings, typically with a wavelength of 9-13 μm, which is in the near infrared band of 0.76-100 μm. Since the light in the wavelength range is not absorbed by air, that is, the infrared radiation of the human body is not related to the environmental influence but only the energy contained in and released from the human body, the surface temperature of the human body can be accurately measured by measuring the infrared radiation energy of the human body. The human body infrared temperature sensor is designed and manufactured according to the principle. The electromagnetic radiation interference of the external environment is prevented, and the measurement accuracy can be improved.
Preferably, a battery placing bin 10 is arranged at the lower part of the shell 1, and the shielding layer 3 is arranged on the outer wall of the battery placing bin 10. The magnetic energy emitted by the battery to the measuring component 2 in the shell 1 is isolated, and radiation is avoided.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. Anti-interference forehead temperature rifle, its characterized in that includes casing (1), locates measuring component (2) that are used for measuring temperature in casing (1), and locates casing (1) inner wall just is used for shielding electromagnetic wave interference's shielding layer (3).
2. The anti-tamper forehead thermometer of claim 1, wherein: the shielding layer (3) is made of conductive paint coated on the inner wall of the shell (1).
3. The anti-tamper forehead thermometer of claim 2, wherein: the conductive paint is any one of copper conductive paint, silver-copper conductive paint or nickel conductive paint.
4. The anti-tamper forehead thermometer of claim 2, wherein: the coating thickness of the conductive paint is 0.02-0.1 mm.
5. The anti-tamper forehead thermometer of claim 1, wherein: the shielding layer (3) is a magnetic separation sheet attached to the inner wall of the shell (1).
6. The anti-tamper forehead thermometer of claim 5, wherein: the magnetic separation sheet is any one of a ferrite magnetic separation sheet, a nanocrystalline magnetic separation sheet and a wave-absorbing material magnetic separation sheet.
7. The anti-tamper forehead thermometer of claim 5, wherein: the thickness of the magnetism isolating sheet is 0.1mm-1.5 mm.
8. The anti-tamper forehead thermometer of claim 1, wherein: the measuring assembly (2) comprises a main control board (21) and an infrared temperature sensor (22) connected with the main control board (21).
9. The anti-tamper forehead thermometer of claim 1, wherein: the battery placing bin (10) is arranged at the lower part of the shell (1), and the shielding layer (3) is arranged on the outer wall of the battery placing bin (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020741751.XU CN212482711U (en) | 2020-05-08 | 2020-05-08 | Anti-interference forehead temperature gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020741751.XU CN212482711U (en) | 2020-05-08 | 2020-05-08 | Anti-interference forehead temperature gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212482711U true CN212482711U (en) | 2021-02-05 |
Family
ID=74454877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020741751.XU Expired - Fee Related CN212482711U (en) | 2020-05-08 | 2020-05-08 | Anti-interference forehead temperature gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212482711U (en) |
-
2020
- 2020-05-08 CN CN202020741751.XU patent/CN212482711U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |