CN211663010U - Non-contact infrared pressure gauge - Google Patents
Non-contact infrared pressure gauge Download PDFInfo
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- CN211663010U CN211663010U CN201922493483.4U CN201922493483U CN211663010U CN 211663010 U CN211663010 U CN 211663010U CN 201922493483 U CN201922493483 U CN 201922493483U CN 211663010 U CN211663010 U CN 211663010U
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Abstract
The utility model discloses a non-contact infrared pressure gauge, which comprises a shell, an infrared generator and a controller, handle and switch, infrared generator is connected with the controller electricity, infrared generator and controller all are connected with the casing, the casing is equipped with the breach, the infrared ray that infrared generator produced passes through the breach and sees through the casing, the handle is connected with the casing, the switch sets up in the surface of casing, the controller is equipped with PCB board and LCD screen, the LCD screen is fixed in the casing surface, the PCB board is connected with the LCD screen electricity, the PCB board is equipped with signal processing module, signal reception module and power module, signal reception module is used for receiving infrared generator's detected signal, signal processing module is used for calculating and feeds back the LCD screen with the calculated result, the LCD screen is used for showing the test result, power module is used for supplying power for controller and infrared generator, the switch is used for starting non-contact infrared pressure measurement appearance. The utility model discloses whether detectable tire pressure value can detect out the trouble of tire gas leakage moreover, and it is convenient to use, low power dissipation, chargeable repetitious usage.
Description
Technical Field
The utility model relates to an atmospheric pressure detects the instrument field, specifically indicates a non-contact infrared pressure measurement appearance.
Background
The hit door of pressure formula tire crosses lowly or all can influence the life of tire excessively, and atmospheric pressure crosses lowly, then leads to the matrix to warp the increase, makes the side wall breach appear, produces the flex motion simultaneously, leads to the excessive themogenesis of wheel, makes the colloid of tire age, so generally all be furnished with tire pressure monitoring device in present on-vehicle system, the tire pressure of control car, also there is the car not from taking tire pressure monitoring system, need the user oneself to use the instrument to detect or reach relevant detection mechanism and detect.
The tire pressure detector, commonly known as a tire pressure gauge, is a tire pressure detection tool which is relatively common in use, and at present, no matter a pen type tire pressure gauge or a mechanical pointer tire pressure gauge generally needs to be in contact with the tire surface to be detected, or some tire pressure gauges need to be placed at an inflation inlet of a tire to detect air pressure, the tire pressure detector needs to be in contact with the tire to detect a specific tire pressure value, and a detection result is single, so that whether an air leakage phenomenon exists in the tire can not be detected.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a non-contact infrared pressure measuring instrument, direct contact tire not, through infrared detection mode, can obtain whether tire pressure value and tire pressure are normal and whether the tire has the trouble of gas leakage.
In order to realize the technical purpose, the utility model provides a technical scheme is:
a non-contact infrared pressure gauge, which comprises a shell, an infrared generator and a controller, the infrared pressure measuring device comprises a handle and a switch, wherein the infrared generator is electrically connected with the controller, the infrared generator and the controller are both connected with the shell, the shell is provided with a notch, the notch is used for enabling infrared rays generated by the infrared generator to penetrate through the shell, the handle is connected with the shell, the switch is arranged on the outer surface of the shell, the controller is provided with a PCB (printed circuit board) and a liquid crystal screen, the liquid crystal screen is fixed on the outer surface of the shell, the PCB is electrically connected with the liquid crystal screen, the PCB is provided with a signal processing module, a signal receiving module and a power module, the signal receiving module is used for receiving detection signals of the infrared generator, the signal processing module is used for calculating signals of the signal receiving module and feeding the calculation results back to the liquid crystal screen, the liquid crystal screen is used for displaying test results, the power.
The utility model has the advantages that: the tire pressure detection device can detect the tire pressure value and detect whether the tire has a leakage fault, is convenient to use, low in power consumption and capable of being charged for multiple times.
Further optimized, the content displayed by the liquid crystal screen comprises: whether the gas density, the tire pressure value and the tire pressure in the tire are normal or not indicates that the tire has a gas leakage phenomenon when three or more different tire pressure values are displayed after one-time detection.
By adopting the technical scheme, the detection result comprises the following steps: the tire pressure value, the gas density in the tire and whether the tire pressure is in a normal range or not are displayed through the liquid crystal display, so that a user can conveniently check the tire pressure value, the gas density in the tire and whether the tire pressure is in a normal range or not; and a plurality of different test results are displayed simultaneously to prove that the tire has air leakage, so that a detector can check the stop loss in time, and the safety of a vehicle and a user is protected.
Further optimization is that a blue light lamp is arranged in the liquid crystal screen.
By adopting the technical scheme, the user can use the LED lamp conveniently in a dark space.
Further preferably, the housing is made of plastic.
Adopt above-mentioned technical scheme, plastic housing has fine insulating effect on the one hand, prevents that the instrument from leaking electricity and causing the injury to the user, and on the other hand, plastic housing matter is light, realizes the product lightweight.
The power module is further optimized to be a rechargeable power module.
By adopting the technical scheme, the rechargeable power supply is more convenient, and inconvenience in use due to the fact that the rechargeable power supply is externally connected with a wire harness is avoided.
The detection power consumption of the non-contact infrared pressure gauge is further optimized to be less than 0.2W.
By adopting the technical scheme, low power consumption detection is realized.
Further optimization is that the front surface and the back surface of the PCB are provided with electric control elements.
By adopting the technical scheme, the space of the PCB can be saved by arranging the electric control elements on the two sides, and the specification and the size of the product are simplified.
Further optimized is that the thickness of the PCB panel is 1.6 mm.
By adopting the technical scheme, the universal specification of the PCB is convenient for product maintenance.
The gas detected by the non-contact infrared pressure gauge is air.
By adopting the technical scheme, the air pressure detection of various air-filled products is realized, and the application range of the products is enlarged.
Drawings
FIG. 1 is an overall view of the present embodiment;
in the drawings, 1-housing; 2-an infrared generator; 3-a controller; 4-a grip; 5-a switch; 6-a liquid crystal screen; 7-PCB board.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. It should be noted that, in the present application, the upper, lower, left and right terms are the same as the upper, lower, left and right terms in the drawings.
A non-contact infrared pressure measuring instrument is disclosed, as shown in figure 1, comprising a shell 1, an infrared generator 2, a controller 3, a handle 4 and a switch 5, wherein the infrared generator 2 is electrically connected with the controller 3, the infrared generator 2 and the controller 3 are both connected with the shell 1, the shell 1 is provided with a notch for enabling infrared rays generated by the infrared generator 2 to penetrate through the shell 1, the handle 4 is connected with the shell 1, the switch 5 is arranged on the outer surface of the shell 1, the controller 3 is provided with a PCB 7 and a liquid crystal screen 6, the liquid crystal screen 6 is fixed on the outer surface of the shell 1, the PCB 7 is electrically connected with the liquid crystal screen 6, the PCB 7 is provided with a signal processing module, a signal receiving module and a power module, the signal receiving module is used for receiving detection signals of the infrared generator 2, the signal processing module is used for calculating signals of the signal receiving module and feeding back calculation results to the liquid crystal screen 6, the liquid, the power supply module is used for supplying power to the controller 3 and the infrared generator 2, and the switch 5 is used for turning on and off the non-contact infrared pressure gauge.
The reason why infrared radiation is attenuated in air is absorption and scattering of various components in air, so that the power of infrared rays is gradually attenuated, such as the refraction and scattering of infrared rays by dust, moisture, carbon dioxide and the like in air.
The power of infrared radiation on the advancing path is attenuated exponentially due to the absorption of air, and if the radiation power at the emitting original point is I, assuming a parallel beam, the divergence problem of the beam is not considered0The radiation power at the distance x is Ixα is the reciprocal of the distance required for the radiation power to decay to half, called the absorption coefficient, which is related to the wavelength of the emitted infrared radiation, and β is the scattering coefficient for the infrared radiation power decay, which is also related to the wavelength of the emitted infrared radiation, considering the scattering of air, so that for infrared radiation of a certain wavelength, the attenuation coefficient of air, K, is α + β.
Therefore, the initial power I of the emitted infrared ray is known0And the maximum distance L between the tire and the inner wall of the tire (the maximum distance refers to the maximum value of the width of a longitudinal section when the tire is vertical to the ground), so that the power of the infrared ray reaching the position L is IL，IL＝I0K, the utility model discloses in detect infrared beam for coming and going two-way, so, return back infrared beam's power I1，I1＝2*ILCalculating I0And I1The difference in (c) is all dissipated power during the test. The air density in the child is different under different tire pressures, and different air densities are different to the effect of infrared ray, and according to the unicity of infrared ray and the principle of propagating dissipation in the air, the air of different densities is different to the refraction and the scattering effect of infrared ray, and the air density is big then to correspond infrared ray's scattering refraction effect less, otherwise, the air density is little then to correspond infrared ray's scattering refraction effectThe result is larger, when the air density is gradually decreased or changed, the refraction and scattering result of the infrared rays is in a change trend during corresponding detection, whether the tire has air leakage or not is judged according to the change trend, and the controller 3 internally calculates I0And I1The air density of the currently tested tire is obtained according to the relationship between the air density coefficient and the difference, and then the specific tire pressure of the currently tested tire is obtained according to the air density and pressure comparison table. (air density and pressure comparison table are in controller 3, and controller 3 can automatic identification corresponding air density under the pressure value), show the test result through LCD 6, supply the user to look over the concrete situation of tire, indicate that the tire has the gas leakage phenomenon when discovering a plurality of tire pressure values that change, need in time look over and solve, protect tire and user's property safety.
The contents displayed by the liquid crystal panel 6 include: whether in-tyre gas density, tire pressure value and tire pressure are normal, show that this tire has the gas leakage phenomenon when three even more different tire pressure values of back demonstration once detect, the testing result includes: the tire pressure value, the gas density in the tire and whether the tire pressure is in a normal range or not are displayed through the liquid crystal display 6, so that a user can conveniently check the tire pressure value, the gas density in the tire and whether the tire pressure is in a normal range or not; and a plurality of different test results are displayed simultaneously to prove that the tire has air leakage, so that a detector can check the stop loss in time, and the safety of a vehicle and a user is protected. The blue light lamp is arranged in the liquid crystal screen 6, so that a user can use the liquid crystal screen in a dark space conveniently.
The shell 1 is made of plastic, on one hand, the plastic shell 1 has a good insulation effect and prevents the electric leakage of an instrument from causing damage to a user, and on the other hand, the plastic shell 1 is light in weight and realizes light weight of a product; the power module adopts a rechargeable power module, so that the rechargeable power supply is more convenient, and the inconvenience caused by external wiring harness in use is avoided; the detection power consumption of the non-contact infrared pressure gauge is less than 0.2W, and low-power detection is realized.
The front and back surfaces of the PCB 7 are provided with electric control elements, and the electric control elements arranged on the two surfaces can save the space of the PCB 7 and simplify the specification and size of the product; the thickness of PCB board 7 is 1.6mm, and this specification is PCB board 7's general specification, makes things convenient for the product to overhaul. The gas detected by the non-contact infrared pressure gauge is air, so that the air pressure of various products filled with air can be conveniently detected, and the application range of the products is enlarged.
The utility model discloses a use method and notice main points:
during testing, the grip 4 is held by hand, the testing end face is perpendicular to the middle of the tire crown, the switch 5 is pressed by a thumb or a middle finger, after 3 seconds, the detection state of the liquid crystal screen 6 is observed, and when the detection value displayed by the liquid crystal screen 6 is fixed, the detection is proved to be finished.
The utility model discloses a non-contact infrared pressure gauge, which comprises a shell, an infrared generator and a controller, handle and switch, infrared generator is connected with the controller electricity, infrared generator and controller all are connected with the casing, the casing is equipped with the breach, the infrared ray that infrared generator produced passes through the breach and sees through the casing, the handle is connected with the casing, the switch sets up in the surface of casing, the controller is equipped with PCB board and LCD screen, the LCD screen is fixed in the casing surface, the PCB board is connected with the LCD screen electricity, the PCB board is equipped with signal processing module, signal reception module and power module, signal reception module is used for receiving infrared generator's detected signal, signal processing module is used for calculating and feeds back the LCD screen with the calculated result, the LCD screen is used for showing the test result, power module is used for supplying power for controller and infrared generator, the switch is used for starting non-contact infrared pressure measurement appearance. The utility model discloses whether detectable tire pressure value can detect out the trouble of tire gas leakage moreover, and it is convenient to use, low power dissipation, chargeable repetitious usage.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the present invention.
Claims (9)
1. A non-contact infrared pressure gauge comprises a shell, an infrared generator, a controller, a handle and a switch, wherein the infrared generator is electrically connected with the controller, the infrared generator and the controller are both connected with the shell, the shell is provided with a notch, the notch is used for enabling infrared rays generated by the infrared generator to penetrate through the shell, the handle is connected with the shell, the switch is arranged on the outer surface of the shell, the controller is provided with a PCB (printed circuit board) and a liquid crystal screen, the liquid crystal screen is fixed on the outer surface of the shell, the PCB is electrically connected with the liquid crystal screen, the PCB is provided with a signal processing module, a signal receiving module and a power supply module, the signal receiving module is used for receiving detection signals of the infrared generator, the signal processing module is used for calculating signals of the signal receiving module and feeding calculation results back to the liquid crystal screen, the liquid crystal display is used for displaying a test result, the power supply module is used for supplying power to the controller and the infrared generator, and the switch is used for turning on and off the non-contact infrared pressure gauge.
2. The non-contact infrared load cell of claim 1, wherein: the content displayed by the liquid crystal screen comprises: whether the gas density, the tire pressure value and the tire pressure in the tire are normal or not indicates that the tire has a gas leakage phenomenon when three or more different tire pressure values are displayed after one-time detection.
3. The non-contact infrared load cell of claim 1, wherein: and a blue light lamp is arranged in the liquid crystal screen.
4. The non-contact infrared load cell of claim 1, wherein: the shell is made of plastic.
5. The non-contact infrared load cell of claim 1, wherein: the power module adopts a rechargeable power module.
6. The non-contact infrared load cell of claim 1, wherein: the detection power consumption of the non-contact infrared pressure gauge is less than 0.2W.
7. The non-contact infrared load cell of claim 1, wherein: and electric control elements are arranged on the front surface and the back surface of the PCB.
8. The non-contact infrared load cell of claim 1, wherein: the thickness of the PCB is 1.6 mm.
9. The non-contact infrared load cell of claim 1, wherein: the gas detected by the non-contact infrared pressure gauge is air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493483.4U CN211663010U (en) | 2019-12-31 | 2019-12-31 | Non-contact infrared pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922493483.4U CN211663010U (en) | 2019-12-31 | 2019-12-31 | Non-contact infrared pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211663010U true CN211663010U (en) | 2020-10-13 |
Family
ID=72736479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922493483.4U Active CN211663010U (en) | 2019-12-31 | 2019-12-31 | Non-contact infrared pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211663010U (en) |
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2019
- 2019-12-31 CN CN201922493483.4U patent/CN211663010U/en active Active
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