CN220773010U - Multifunctional hygrothermograph capable of detecting volatile organic compounds - Google Patents
Multifunctional hygrothermograph capable of detecting volatile organic compounds Download PDFInfo
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- CN220773010U CN220773010U CN202320709278.0U CN202320709278U CN220773010U CN 220773010 U CN220773010 U CN 220773010U CN 202320709278 U CN202320709278 U CN 202320709278U CN 220773010 U CN220773010 U CN 220773010U
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- hygrothermograph
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000000087 stabilizing effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a multifunctional hygrothermograph capable of detecting volatile organic compounds, and relates to the technical field of hygrothermographs, wherein the multifunctional hygrothermograph comprises a decorative plate, a front shell arranged at the rear side of the decorative plate, and a rear shell arranged at the rear side of the front shell, and the multifunctional hygrothermograph is detected by a VOC sensor, is subjected to MCU signal processing, is displayed on a display screen and is subjected to intelligent processing, and PM numerical test can be rapidly carried out; the intelligent household alarm has the advantages that the intelligent household alarm has an alarm function, can remind a user in time, is convenient and quick, has functions of detecting alarm, temperature, humidity and time display, is low in unit price compared with the existing product, has multiple functions, and is suitable for household use.
Description
Technical Field
The utility model relates to the related field of hygrothermographs, in particular to a multifunctional hygrothermograph capable of detecting volatile organic compounds.
Background
The trend of the current electronic products is 'integration', namely more electronic products are concentrated on a platform to realize multiple functions, the change can bring economic benefits to people and save space, the trend is spread from personal electronic products of the last 10 years to industrial and commercial electronic products, along with the progress and development of human society, more and more people begin to pay attention to living environment and physical health, the development of electronic technology also brings various sensors for testing air quality, such as testing CO2, PM2.5, PM10, TOVC, smoke and the like, the electronic products also begin to integrate the functions, and the concentration of Volatile Organic Compounds (VOC) can be detected indoors to prompt windowing ventilation or ventilation equipment to be started in time.
The existing multifunctional hygrothermograph capable of detecting Volatile Organic Compounds (VOC) is large in volume, single in function, expensive in unit price, capable of being widely used by ordinary consumers, difficult to integrate functions of TVOC detection alarm, temperature, humidity and time display, and unsuitable for household use.
Disclosure of Invention
Accordingly, in order to solve the above-mentioned shortcomings, the present utility model provides a multifunctional hygrothermograph capable of detecting volatile organic compounds.
The utility model is realized in such a way that a multifunctional hygrothermograph capable of detecting volatile organic compounds is constructed, and the device comprises a decorative plate, a front shell arranged at the rear side of the decorative plate and a rear shell arranged at the rear side of the front shell;
the method is characterized in that: further comprises:
the outer side surface of the display screen is fixedly connected with the inner side surface of the hole at the middle end of the front shell;
and the detection mechanism is arranged on the inner sides of the front shell and the rear shell.
Preferably, the display screen includes:
a display panel disposed outside the display screen;
a pollution state display area provided at an upper end of a front side of the display panel;
and the VOC value display area is arranged at the left upper end of the front side of the display screen board.
Preferably, the display screen further includes:
the CO value display area is arranged at the right upper end of the front side of the display screen board;
and a time display area provided at a front middle end of the display panel.
Preferably, the display screen further includes:
a temperature display area provided at a left lower end of a front side of the display panel;
the humidity display area is arranged at the right lower end of the front side of the display screen board;
the outer side surface of the display screen board is fixedly connected with the inner side surface of the middle end hole of the front shell.
Preferably, the detection mechanism includes:
the light guide plate is arranged at the front end of the detection mechanism;
the front side of the circuit board is fixedly connected with the front end of the light guide plate, and the circuit board is electrically connected with the light guide plate;
and the front side of the key board is fixedly connected with the upper end of the rear side of the circuit board, and the key board is electrically connected with the circuit board.
Preferably, the detection mechanism further includes:
the front end of the key is fixedly connected with the rear end of the key board;
the left end of the fixing piece is fixedly connected with the left lower end of the inner side of the groove at the front side of the rear shell;
the rear end of the DC plate is fixedly connected with the right lower end of the rear end of the inner side of the groove at the front side of the rear shell, and the DC plate is electrically connected with the circuit board;
the front end of the light guide plate is fixedly connected with the rear end of the display screen, and the light guide plate is electrically connected with the display screen.
Preferably, the plaque and the front shell are arranged in parallel.
Preferably, the upper end and the lower end of the rear side of the rear shell are provided with long-strip holes, and the middle right end of the rear side of the rear shell is provided with a flower-shaped hole.
The utility model has the following advantages: the utility model provides a multifunctional hygrothermograph capable of detecting volatile organic compounds by improving the temperature and humidity meter, which has the following improvements compared with the same type of equipment:
according to the multifunctional hygrothermograph capable of detecting the volatile organic compounds, provided by the utility model, the Volatile Organic Compounds (VOC) sensor is used for detecting, and the VOC sensor is used for displaying on a display screen after being processed by an MCU signal and performing intelligent processing, so that PM numerical value test can be rapidly performed; the intelligent household alarm has the advantages that the intelligent household alarm has an alarm function, can remind a user in time, is convenient and quick, has functions of detecting alarm, temperature, humidity and time display, is low in unit price compared with the existing product, has multiple functions, and is suitable for household use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is an elevational view of the present utility model;
FIG. 4 is a rear view of the present utility model;
FIG. 5 is an electronic block diagram of the present utility model;
FIG. 6 is a schematic diagram of the present utility model;
fig. 7 is a schematic diagram of a level shifter circuit of the present utility model.
Wherein: plaque-1, preceding shell-2, backshell-3, display screen-4, display screen board-41, pollution status display district-42, VOC value display district-43, CO2 value display district-44, time display district-45, temperature display district-46, humidity display district-47, detection mechanism-5, light guide plate-51, circuit board-52, keypad-53, button-54, mounting-55, DC board-56.
Detailed Description
The following detailed description of the present utility model, taken in conjunction with the accompanying drawings, 1-7, will provide a clear and complete description of the embodiments of the present utility model, it being apparent that the embodiments described are merely some, but not all, of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 7, a multifunctional hygrothermograph capable of detecting volatile organic compounds comprises a decorative plate 1, a front case 2 mounted on the rear side of the decorative plate 1, and a rear case 3 mounted on the rear side of the front case 2;
the outer side surface of the display screen 4 is fixedly connected with the inner side surface of the hole at the middle end of the front shell 2;
the detection mechanism 5 is arranged inside the front shell 2 and the rear shell 3, so that the detection mechanism 5 is fixed;
the display panel 41 is disposed outside the display screen 4, and the contaminated state display area 42 is disposed at the upper end of the front side of the display panel 41 so that the contaminated state can be displayed on the display panel 41;
the VOC value display area 43 is provided at the upper left end of the front side of the display panel 41 so that the VOC value can be displayed on the display panel 41;
the CO2 value display area 44 is provided at the front upper right end of the display panel 41 so that the CO2 value can be displayed on the display panel 41;
the time display area 45 is provided at the front middle end of the display panel 41 so that time can be displayed on the display panel 41;
the temperature display area 46 is provided at the left lower end of the front side of the display panel 41 so that the temperature can be displayed on the display panel 41;
the humidity display area 47 is arranged at the right lower end of the front side of the display panel 41, and the outer side surface of the display panel 41 is fixedly connected with the inner side surface of the middle end hole of the front shell 2, so that humidity can be displayed on the display panel 41;
the light guide plate 51 is arranged at the front end of the detection mechanism 5, the front side of the circuit board 52 is fixedly connected with the front end of the light guide plate 51, and the circuit board 52 is electrically connected with the light guide plate 51, so that the circuit board 52 is fixed;
the front side of the key board 53 is fixedly connected with the upper end of the rear side of the circuit board 52, and the key board 53 is electrically connected with the circuit board 52, so that the key board 53 is fixed;
the front end of the key 54 is fixedly connected with the rear end of the key board 53, so that the key 54 is fixed;
the left end of the fixing piece 55 is fixedly connected with the left lower end of the inner side of the groove at the front side of the rear shell 3, so that the fixing piece 55 is fixed;
the rear end of the DC plate 56 is fixedly connected with the right lower end of the rear end of the inner side of the groove at the front side of the rear shell 3, the DC plate 56 is electrically connected with the circuit board 52, the front end of the light guide plate 51 is fixedly connected with the rear end of the display screen 4, and the light guide plate 51 is electrically connected with the display screen 4, so that the DC plate 56 is fixed;
the ornamental plate 1 and the front shell 2 are arranged in parallel, so that the front end of the multifunctional hygrothermograph capable of detecting Volatile Organic Compounds (VOC) is in a plane state, and the multifunctional hygrothermograph is more attractive;
the upper end and the lower end of the rear side of the rear shell 3 are provided with long-strip holes, and the middle right end of the rear side of the rear shell 3 is provided with a flower-shaped hole, so that the hole of the rear side of the rear shell 3 can radiate heat inside the front shell 2 and the rear shell 3.
The utility model provides a multifunctional hygrothermograph capable of detecting volatile organic compounds through improvement, and the working principle is as follows;
firstly, a DC power supply charges a Farad capacitor after being stabilized by 3.6v through a voltage stabilizing tube, simultaneously supplies power to an MCU singlechip after being stabilized by 3.3v through the voltage stabilizing tube, drives the MCU to work and is driven by the MCU to display a display screen 4 through reset and start vibration, detects data of a VOC sensor, lights backlight, drives a buzzer, and a 1.8v voltage stabilizing circuit supplies power to the VOC sensor, and when a product detects that the environmental VOC value is greater than an alarm value, the alarm buzzer sounds, timely reminds a user to take corresponding measures;
secondly, the power supply supplies power to the MCU singlechip after stabilizing 3.3V through the voltage stabilizing tube, the MCU is driven to work through reset oscillation, the MCU is driven to display by the MCU, the VOC sensor is detected, the temperature and humidity sensor data are detected, the backlight is lightened, the buzzer is driven, in addition, the power supply charges the Faraday capacitor through stabilizing 3.6V, and when the external DC is powered off, the MCU clock circuit can be kept to work normally for a period of hours;
thirdly, a MCU22 pin 61 pin drives a liquid crystal display, a 1 pin 64 pin is connected with a 3.3V power supply electrolytic capacitor C24, a 2 pin reset circuit C5, R2.5, a 6 pin C3, C4 and Y2 to start vibration, a 15 pin DC detection circuit R24 and R25, a 18 pin 19 pin 20 pin key circuit, a 7 pin 14 pin backlight circuit, an 8 pin buzzer circuit, a 10 pin and 11 pin level conversion IC, a 12 pin and 13 pin temperature and humidity sensor, a 62 pin and a 63 pin storage IC and a 24C02, and a VOC sensor is connected with 6 pins and 7 pins of the conversion IC;
fourthly, PM numerical value test can be rapidly carried out through detection by the VOC sensor, display on the display screen 4 after MCU signal processing and intelligent processing; the multifunctional hygrothermograph has the advantages that the multifunctional hygrothermograph has an alarm function, can timely remind a user, is convenient and quick, has functions of detecting and alarming, temperature, humidity and time display, is low in price and various in functions compared with the existing products, is suitable for household use, solves the problems that the existing multifunctional hygrothermograph capable of detecting Volatile Organic Compounds (VOC) is large in volume, single in function, expensive, thousands of times of price can not be widely used for common consumers, and the multifunctional hygrothermograph capable of detecting the Volatile Organic Compounds (VOC) is difficult to integrate functions of detecting and alarming, temperature, humidity and time display, and is not suitable for household use.
According to the multifunctional hygrothermograph capable of detecting the volatile organic compounds, provided by the utility model, through improvement, the PM value can be rapidly tested by detecting through the VOC sensor, displaying on the display screen 4 after MCU signal processing and performing intelligent processing; the intelligent household alarm has the advantages that the intelligent household alarm has an alarm function, can remind a user in time, is convenient and quick, has functions of detecting alarm, temperature, humidity and time display, is low in unit price compared with the existing product, has multiple functions, and is suitable for household use.
The basic principle and main characteristics of the utility model and the advantages of the utility model are shown and described above, standard parts used by the utility model can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. A multifunctional hygrothermograph capable of detecting volatile organic compounds comprises a decorative plate (1), a front shell (2) arranged on the rear side of the decorative plate (1), and a rear shell (3) arranged on the rear side of the front shell (2);
the method is characterized in that: further comprises:
the outer side surface of the display screen (4) is fixedly connected with the inner side surface of the middle end hole of the front shell (2);
the detection mechanism (5), detection mechanism (5) set up in preceding shell (2) and backshell (3) inboard:
the display screen (4) comprises:
a display panel (41), the display panel (41) being arranged outside the display screen (4);
a contaminated state display area (42), the contaminated state display area (42) being provided at an upper end of a front side of the display panel (41);
a VOC value display area (43), the VOC value display area (43) being provided at the upper left end of the front side of the display panel (41);
the display screen (4) further comprises:
a CO2 value display area (44), the CO2 value display area (44) being provided at the upper right end of the front side of the display panel (41);
a time display area (45), the time display area (45) being provided at a front-side middle end of the display panel (41);
a temperature display area (46), the temperature display area (46) being provided at a lower left end of a front side of the display panel (41);
a humidity display area (47), the humidity display area (47) being provided at a lower right end of a front side of the display panel (41);
wherein the outer side surface of the display screen board (41) is fixedly connected with the inner side surface of the middle end hole of the front shell (2);
the detection mechanism (5) comprises:
a light guide plate (51), wherein the light guide plate (51) is arranged at the front end of the detection mechanism (5);
the front side of the circuit board (52) is fixedly connected with the front end of the light guide plate (51), and the circuit board (52) is electrically connected with the light guide plate (51);
the front side of the key board (53) is fixedly connected with the upper end of the rear side of the circuit board (52), and the key board (53) is electrically connected with the circuit board (52);
the front end of the key (54) is fixedly connected with the rear end of the key board (53);
the left end of the fixing piece (55) is fixedly connected with the left lower end of the inner side of the front side groove of the rear shell (3);
the rear end of the DC plate (56) is fixedly connected with the right lower end of the rear end inside the front side groove of the rear shell (3), and the DC plate (56) is electrically connected with the circuit board (52);
the front end of the light guide plate (51) is fixedly connected with the rear end of the display screen (4), and the light guide plate (51) is electrically connected with the display screen (4).
2. The multifunctional hygrothermograph capable of detecting volatile organic compounds according to claim 1, wherein: the decorative plate (1) and the front shell (2) are arranged in parallel.
3. The multifunctional hygrothermograph capable of detecting volatile organic compounds according to claim 1, wherein: the upper end and the lower end of the rear side of the rear shell (3) are provided with long-strip holes, and the middle right end of the rear side of the rear shell (3) is provided with a flower-shaped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320709278.0U CN220773010U (en) | 2023-04-03 | 2023-04-03 | Multifunctional hygrothermograph capable of detecting volatile organic compounds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320709278.0U CN220773010U (en) | 2023-04-03 | 2023-04-03 | Multifunctional hygrothermograph capable of detecting volatile organic compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220773010U true CN220773010U (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320709278.0U Active CN220773010U (en) | 2023-04-03 | 2023-04-03 | Multifunctional hygrothermograph capable of detecting volatile organic compounds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220773010U (en) |
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2023
- 2023-04-03 CN CN202320709278.0U patent/CN220773010U/en active Active
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