CN220490743U - Hydrogen gas rapid detector based on novel ultrasonic sensor - Google Patents
Hydrogen gas rapid detector based on novel ultrasonic sensor Download PDFInfo
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- CN220490743U CN220490743U CN202320607631.4U CN202320607631U CN220490743U CN 220490743 U CN220490743 U CN 220490743U CN 202320607631 U CN202320607631 U CN 202320607631U CN 220490743 U CN220490743 U CN 220490743U
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- circuit board
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- display screen
- power interface
- casing
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000001257 hydrogen Substances 0.000 claims abstract description 37
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 37
- 239000013078 crystal Substances 0.000 claims description 16
- 150000002431 hydrogen Chemical class 0.000 claims description 16
- 230000005669 field effect Effects 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000007306 turnover Effects 0.000 claims description 6
- 238000012031 short term test Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000004973 liquid crystal related substance Substances 0.000 abstract 2
- 230000003750 conditioning effect Effects 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 10
- 238000001514 detection method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007084 catalytic combustion reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000005329 float glass Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a novel ultrasonic sensor-based hydrogen rapid detector which structurally comprises a display screen, a circuit board, a switch button, an interface and a shell. The display screen is arranged at the center part of the upper side of the shell, the switch button and the interface are arranged at the side surface of the shell, the interface penetrates through the side surface shell, the circuit board and the processing chip are arranged in the shell, and the circuit board and the back panel of the shell are mutually parallel, and the utility model comprises a hardware system part: the constant potential instrument circuit, the signal conditioning circuit, the A/D conversion module, the data processing module, the display module and the power module. And a software module: a data acquisition subroutine, a digital filtering subroutine, a data processing subroutine, a data display main program, etc. The device is provided with the liquid crystal display, and the hydrogen concentration can be directly displayed through the liquid crystal display, so that a measurer can directly see the hydrogen concentration value, and the operation is simple. The utility model has the advantages of simple structure, low manufacturing cost, high precision, strong practicability and easy portability.
Description
Technical Field
The utility model relates to a novel ultrasonic sensor-based hydrogen gas rapid detector, and belongs to the field of detectors.
Background
The hydrogen is used as a clean energy source, and has wide application prospect in the aspects of promoting energy conservation and emission reduction, adjusting the industrial structure of the energy source, coping with global climate change and the like. Hydrogen is the main industrial raw material, is also the most important industrial gas and special gas, and has wide application in petrochemical industry, electronic industry, metallurgical industry, food processing, float glass, fine organic synthesis, aerospace and other aspects. Hydrogen is also a clean renewable energy carrier, capable of powering automobiles, and the only emissions are water, so hydrogen fuel cells are identified as the preferred solution for new energy vehicles.
However, there is a "pain point" with hydrogen. The combination of hydrogen and air forms an explosive gas with an explosion limit of 4.1% -74.2% at standard atmospheric pressure and room temperature. In recent years, explosion accidents caused by hydrogen leakage are endlessly progressed. The hydrogen energy is better developed and utilized, and a rapid and high-sensitivity hydrogen sensing technology is indispensable.
In the prior art, a worker goes to a site to collect gas, and the gas is taken back to a laboratory for analysis after collection to obtain a detection result. Although the method has higher precision, the detection process is more complex, the detection period is longer, and the timeliness is lacking. And because of strong professional property, the cost is high, and the popularization is inconvenient.
Most hydrogen measuring instruments in the markets at home and abroad at present have poor effects, such as FH2-HYO6 hydrogen sensors, and carry out hydrogen measurement based on a catalytic combustion principle, but the instrument has the defects of poor working stability at high temperature, unresolved concentration shock resistance problem, short working life, long response time of products, incompletely resolved low constant temperature detection technology and the like, and has a larger distance from the ultrasonic rapid measurement of the hydrogen concentration.
Foreign imported instruments generally use a thermal conductivity principle for measurement, and although the measurement range is wider, the thermal conductivity sensor has the defects of poor detection precision, low sensitivity, large temperature drift and the like.
It follows that there is an ongoing need for a portable high-precision hydrogen meter.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a novel ultrasonic sensor-based rapid hydrogen gas detector to solve the problems of complicated operation or large measurement error of hydrogen measurement, high measurement cost, low cost performance, low practicality and difficult portability.
In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a novel quick detector of hydrogen gas based on ultrasonic sensor, its structure includes display screen, circuit board, reset button, shift knob, interface, casing, the display screen locate casing front panel upside, shift knob locate casing panel center, business turn over gas port and display screen be in same horizontal plane, business turn over gas port and shift knob be symmetrical structure and locate on the casing surface panel, shift knob and LCD display screen, power interface between through electrical connection, power interface locate on the casing downside board, power interface run through the casing, the circuit board install inside the casing, circuit board and casing back panel be parallel to each other;
the circuit board constitute by LCD display screen, electric capacity, field effect tube, resistance, potentiometre, crystal oscillator, STC12C5A singlechip, USB power source, hydrogen sensor, button that resets, LCD display screen weld in the circuit board upside, resistance and electric capacity locate field effect tube and electric capacity below, the crystal oscillator weld in the circuit board in downside position, STC12C5A singlechip locate circuit board left side central authorities, the potentiometre weld in crystal oscillator downside, the button that resets weld in circuit board central authorities position, hydrogen sensor weld in the corner position of circuit board right downside, USB power source welds the position at the sensor downside. The capacitor, the potentiometer, the hydrogen sensor, the crystal oscillator, the STC12C5A singlechip, the field effect tube, the resistor and the reset button are electrically connected.
Further, the shell is fixedly connected with the shell, and the panel and the shell are of an integrated structure.
Further, the power interface is arranged on the lower side surface of the shell, and the power interface penetrates through the panel.
Further, the USB power interface is electrically connected with the circuit board.
Further, the holding parts of the switch button and the surface of the shell are provided with threads and rubber, so that friction is increased.
The utility model has the beneficial effects that: the intelligent transformer substation is provided with a temperature sensing chip, a humidity sensing chip, a data processing chip and a storage card, information recording of the transformer substation can be realized without other equipment, the production cost of the equipment is reduced, and the intelligent transformer substation is economical and practical.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a hydrogen gas rapid detector based on a novel ultrasonic sensor.
Fig. 2 is a schematic diagram of a circuit board structure of a hydrogen gas rapid detector based on a novel ultrasonic sensor.
Fig. 3 is a schematic diagram of the working flow of the hydrogen gas rapid detector based on the novel ultrasonic sensor.
In the figure: the device comprises a display screen-1, a shell-2, a reset button-3, an air inlet and outlet port-4, a USB power interface-5, an LCD display screen-101, capacitors-102, 105, 106, 108, 109 and 110, a field effect transistor-103, a resistor-104, a potentiometer-107, a crystal oscillator-111, an STC12C5A singlechip-112, a USB power interface-113, a hydrogen sensor-114 and a reset button-115.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1, 2 and 3, the present utility model provides a hydrogen gas rapid detector based on a novel ultrasonic sensor: the structure of the display screen comprises an LCD display screen (1), a shell (2), a switch button (3), an air inlet and outlet (4), a power interface (5) and a circuit board, wherein the display screen (1) is arranged on the upper side of a front panel of the shell (2), and the switch button (3) is arranged on the lower side of the display screen (1), namely, is positioned in the center of the shell. The utility model provides a hydrogen sensor, including casing (2), switch button (3), power button (5) and business turn over gas port (4) be on same horizontal plane with display screen (1), switch button (3) be symmetrical structure and locate on casing (2), LCD display screen (1) and switch button (3) between through electrical connection, power interface (5) locate on casing (2) downside board, power interface (5) run through casing (2), the circuit board is installed in casing (2) inside, circuit board and casing (2) back panel be parallel to each other, LCD display screen (101) weld in circuit board upside, resistance and electric capacity (104, 105, 106) locate field effect transistor and electric capacity (102, 103) below, crystal oscillator (111) weld in circuit board downside position, STC12C5A singlechip (112) locate circuit board left side central authorities, potentiometre (107) weld in crystal oscillator (111) downside, reset button (115) in circuit board downside board position, hydrogen sensor (114) right side welding position in circuit board (114). The capacitor, the potentiometer (107), the hydrogen sensor (114), the crystal oscillator (111), the STC12C5A singlechip (112), the field effect tube (103), the resistor (104) and the reset button (115) are electrically connected.
The switch button and the holding part on the surface of the shell are respectively provided with threads and rubber, so that friction is increased.
The display screen 1, the reset button 3, the USB power interface 5 and the shell 2 form the integral framework of the device, the hydrogen detector is connected with a power supply through the USB power interface 5, the outside hydrogen concentration and the inside of the cavity are subjected to ultrasonic wave reception, phase difference analysis and conversion to be electric signal contrast detection, weak current data are transmitted to the STC12C5A singlechip 112 after amplified and filtered, and after A/D conversion, the singlechip transmits information data to the LCD display screen 101, so that the information is displayed in a specific numerical form, the measurement is convenient in time, the hydrogen concentration information can be measured without the help of other devices, the production cost of the device can be effectively reduced, the portability is improved, and the device is economical and practical.
The LCD display 1 according to the present utility model is used for media for digitally displaying information data.
The utility model discloses a display screen 1, a shell 2, a reset button 3, an air inlet and outlet 4, a USB power interface 5, an LCD display screen 101, capacitors 102, 105, 106, 108, 109 and 110, a field effect tube 103, a resistor 104, a potentiometer 107, a crystal oscillator 111, an STC12C5A singlechip 112, a USB power interface 113, a hydrogen sensor 114 and reset button 115 are all universal standard components or components known by a person skilled in the art, the structure and principle of the device are known by the person skilled in the art through a technical manual or through a conventional experimental method, the problems of complicated operation or measurement error of hydrogen are solved, the measurement cost is high, the cost performance is low, the practicability is low, the device is difficult to carry, the hydrogen concentration can be accurately measured by mutually combining the components, the production cost of the device is reduced, the device is economical, the practicability is high, and the device is particularly as follows:
the LCD display 101 is welded on the upper side of the circuit board, the resistors 104, 105 and 106 are arranged below the field effect transistor and the capacitors 102 and 103, the crystal oscillator 111 is welded on the lower side of the circuit board, the STC12C5A singlechip 112 is arranged on the left side center of the circuit board, the potentiometer 107 is welded on the lower side of the crystal oscillator 111, the reset button 115 is welded on the central position of the circuit board, the hydrogen sensor 114 is welded on the corner position of the right lower side of the circuit board, and the USB power interface 113 is welded on the lower side of the sensor 114. The capacitor, the potentiometer 107, the hydrogen sensor 114, the crystal oscillator 111, the STC12C5A singlechip 112, the field effect transistor 103, the resistor 104 and the reset button 115 are electrically connected.
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. The utility model provides a novel ultrasonic sensor-based hydrogen gas short-term test appearance, its structure includes LCD display screen (1), casing (2), shift knob (3), business turn over gas port (4), power interface (5) and circuit board, display screen (1) locate casing (2) front panel upside, shift knob (3) locate display screen (1) downside, namely be located casing central point put; the utility model provides a business turn over gas port (4) be in on same horizontal plane with display screen (1), shift knob (3) be symmetrical structure with power interface (5) and business turn over gas port (4) and locate on casing (2), LCD display screen (1) and shift knob (3) between through electrical connection, power interface (5) locate on casing (2) downside board, power interface (5) run through casing (2), the circuit board is installed in casing (2) inside, circuit board and casing (2) back panel parallel to each other, its characterized in that:
the circuit board comprises a high-precision hydrogen sensor, a resistor, an LCD display screen, a potentiometer, a capacitor, a data processing chip, a thyristor, a field effect transistor and a reset key;
the circuit board consists of an LCD display screen (101), capacitors (102, 105, 106, 108, 109 and 110), a field effect tube (103), a resistor (104), a potentiometer (107), a crystal oscillator (111), an STC12C5A singlechip (112), a USB power interface (113), a hydrogen sensor (114) and a reset button (115), wherein the LCD display screen (101) is welded on the upper side of the circuit board, the resistor and the capacitors (104, 105 and 106) are arranged below the field effect tube (103) and the capacitor (102), the crystal oscillator (111) is welded on the lower side of the circuit board, the STC12C5A singlechip (112) is arranged in the center of the left side of the circuit board, the potentiometer (107) is welded on the lower side of the crystal oscillator (111), the reset button (115) is welded on the center of the circuit board, the hydrogen sensor (114) is welded on the right lower corner of the sensor (114), and the USB power interface (113) is welded on the lower corner of the sensor (114); the capacitor, the potentiometer (107), the hydrogen sensor (114), the crystal oscillator (111), the STC12C5A singlechip (112), the field effect tube (103), the resistor (104) and the reset button (115) are electrically connected.
2. The rapid hydrogen gas detector based on the novel ultrasonic sensor as claimed in claim 1, wherein: the shell is fixedly connected with the shell (2), and the LCD display screen (1) and the shell (2) are of an integrated structure.
3. The hydrogen gas rapid detector based on the novel ultrasonic sensor as claimed in claim 2, wherein: the power interface (5) is arranged on the shell (2), and the power interface (5) penetrates through the shell (2).
4. The hydrogen gas rapid detector based on the novel ultrasonic sensor as claimed in claim 2, wherein: the USB power interface (113) is connected with the circuit board through an electric phase.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320607631.4U CN220490743U (en) | 2023-03-24 | 2023-03-24 | Hydrogen gas rapid detector based on novel ultrasonic sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320607631.4U CN220490743U (en) | 2023-03-24 | 2023-03-24 | Hydrogen gas rapid detector based on novel ultrasonic sensor |
Publications (1)
Publication Number | Publication Date |
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CN220490743U true CN220490743U (en) | 2024-02-13 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320607631.4U Active CN220490743U (en) | 2023-03-24 | 2023-03-24 | Hydrogen gas rapid detector based on novel ultrasonic sensor |
Country Status (1)
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CN (1) | CN220490743U (en) |
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2023
- 2023-03-24 CN CN202320607631.4U patent/CN220490743U/en active Active
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