CN214895107U - Projector with air quality monitoring and improving functions - Google Patents
Projector with air quality monitoring and improving functions Download PDFInfo
- Publication number
- CN214895107U CN214895107U CN202120304642.6U CN202120304642U CN214895107U CN 214895107 U CN214895107 U CN 214895107U CN 202120304642 U CN202120304642 U CN 202120304642U CN 214895107 U CN214895107 U CN 214895107U
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- Prior art keywords
- projector
- air
- main cpu
- voc
- sensor
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- 238000012544 monitoring process Methods 0.000 title claims description 13
- 239000000428 dust Substances 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 230000006872 improvement Effects 0.000 claims abstract description 3
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 18
- 239000004155 Chlorine dioxide Substances 0.000 claims description 9
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 9
- 230000010354 integration Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- YTAHJIFKAKIKAV-XNMGPUDCSA-N [(1R)-3-morpholin-4-yl-1-phenylpropyl] N-[(3S)-2-oxo-5-phenyl-1,3-dihydro-1,4-benzodiazepin-3-yl]carbamate Chemical compound O=C1[C@H](N=C(C2=C(N1)C=CC=C2)C1=CC=CC=C1)NC(O[C@H](CCN1CCOCC1)C1=CC=CC=C1)=O YTAHJIFKAKIKAV-XNMGPUDCSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Abstract
A projector with air quality detection and improvement functions comprises: the projector body is provided with an air inlet, an air outlet and a display screen, the projector body is internally provided with a main CPU, an external air sensor and an air pressure sensor, the external air sensor and the air pressure sensor are respectively connected with the main CPU, the air inlet is also provided with a VOC sensor, and the VOC sensor is connected with the main CPU; the main CPU is provided with a VOC concentration detection module, and the VOC concentration detection module detects that the VOC value exceeds the standard and displays on the display screen. The air inlet of the projector body is also provided with a filter, the main CPU is also provided with a dust detection module, the blocking degree of the filter is estimated according to the air pressure change of the front time point and the back time point, and the estimated dust concentration is calculated according to the blocking degree of the filter, so that the dust concentration is displayed on the display screen. The utility model discloses to the detection of air quality improve the function integration to the projector, increase domestic/commercial projector's added value.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the projector, specifically indicate a take air quality monitoring and improve projector of function.
[ background of the invention ]
According to the national environmental protection report, nearly one third of families in the country have the problem of overproof formaldehyde. Many homes and renovated enterprises and offices are also plagued by odors produced by other volatile gases in the room.
Meanwhile, areas with excessive PM2.5 particles in domestic air are still many.
With the popularization of small and medium-sized household/commercial projectors, the original cooling technology and display technology of the projectors can be utilized, the monitoring and improving functions of the air quality can be integrated into the projectors, and the added value of the household/commercial projectors is increased.
[ Utility model ] content
The utility model aims to solve the technical problem that a take air quality monitoring and improve projector of function is provided.
The utility model discloses a realize like this:
a projector with air quality monitoring and improving functions comprises: the projector comprises a projector body, a controller and a display screen, wherein the projector body is provided with an air inlet, an air outlet and a display screen, a main CPU, an external air sensor and an air pressure sensor are arranged inside the projector body, the external air sensor and the air pressure sensor are respectively connected with the main CPU, a VOC sensor is also arranged at the air inlet, and the VOC sensor is connected with the main CPU; the main CPU is provided with a VOC concentration detection module, and the VOC concentration detection module displays on the display screen when detecting that the VOC value exceeds the standard.
Furthermore, a filter is further arranged at an air inlet of the projector body, the main CPU is further provided with a dust detection module, the dust detection module is used for estimating the blocking degree of the filter according to the air pressure changes at the front time point and the rear time point, and the estimated dust concentration is calculated according to the blocking degree of the filter, so that the dust concentration is displayed on the display screen.
Further, the air outlet is also provided with an air quality improving device.
Further, the air quality improving device is a chlorine dioxide generator.
The utility model has the advantages that: the utility model discloses utilize original cooling technology and the display technology of projector, will improve the monitoring of air quality and function integration to projector, increase domestic/commercial projector's added value. The external air purification device is additionally arranged at the exhaust end of the projector, the device continuously emits chlorine dioxide gas by utilizing the hot exhaust of the projector, and the formaldehyde in the air is decomposed into carbon dioxide and water through the neutralization effect of the chlorine dioxide and the formaldehyde. And the free chlorine dioxide particles adsorb dust in the air to make the dust fall, thereby improving the air quality.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic flow chart of the VOC concentration detection module of the present invention.
Fig. 3 is a schematic flow chart of the dust concentration detection module according to the present invention.
[ detailed description ] embodiments
As shown in fig. 1, a projector with air quality monitoring and improving functions includes: the projector comprises a projector body, wherein the projector body is provided with an air inlet 1, an air outlet 2 and a display screen (not shown), a main CPU3, an external air sensor 4 and an air pressure sensor 5 are arranged inside the projector body, the external air sensor 4 and the air pressure sensor 5 are respectively connected with the main CPU3, a VOC sensor 6 is further arranged at the air inlet 1, and the VOC sensor 6 is connected with the main CPU 3; the main CPU3 has a VOC concentration detection module that displays on the display screen when detecting that the VOC value exceeds the standard.
The air inlet 1 of the projector body is further provided with a filter 7, the main CPU3 is further provided with a dust detection module, the dust detection module estimates the degree of clogging of the filter from the air pressure changes at two time points in front and back, and calculates the estimated dust concentration according to the degree of clogging of the filter, thereby displaying the dust concentration on the display screen.
The air outlet 2 is further provided with an air quality improving device, which is a chlorine dioxide generator in the embodiment.
The utility model provides a VOC concentration detection module, concrete flow is shown in figure 2, specifically includes following step:
the method comprises the following steps: starting up;
step two: initializing a complete machine, and waiting for the internal environment to be stable;
step three: confirm whether to perform air quality detection? If yes, turning to the step four, and if not, turning to the step fifteen;
step four: screen prompt "air quality detection";
step five: acquiring the values of an outside air sensor (the outside air sensor is an outside air temperature sensor, and feeds back a temperature value) and an air pressure sensor, and monitoring the values of the outside air sensor and the air pressure sensor within 10 minutes;
sixthly, judging whether the value fluctuation of the outside air sensor and the air pressure sensor is within 10% within 10 minutes? If yes, turning to the seventh step, and if not, turning to the eighth step;
step seven: obtaining a VOC sensor value, and taking an average value within 30 minutes; turning to the eleventh step;
step eight: the screen prompts that 'the external air environment is unstable, please close the door and window and then measure';
step nine: determine whether the fluctuation of the values of the outside air sensor and the air pressure sensor is within 5% within 5 minutes? If yes, turning to the seventh step, and if not, turning to the tenth step;
step ten: screen prompt "current environment is unstable, suggest to be measured again in the future"; turning to the step fifteen;
step eleven: is the VOC value within a safe range? If yes, turning to a step twelve, and if not, turning to a step thirteen;
step twelve: displaying the VOC value in a safe range on a screen, and turning to the step fifteen;
step thirteen: the screen displays that the VOC value exceeds the standard! "
Fourteen steps: the VOC value and the time stamp which exceed the standard are recorded into the ErrorLog, and the step fifteen is carried out;
step fifteen: and (5) finishing the measurement.
The utility model provides a dust concentration detection module, concrete flow is shown in FIG. 3, specifically includes following step:
step a: starting an indoor dust concentration prompting function;
step b: acquiring the sum of all startup time since the filter is replaced last time;
step c: determine whether 20 hours have elapsed since the filter was replaced? If yes, switching to the step d, and if not, switching to the step i;
step d: presume the degree of clogging of the filter according to the change of the atmospheric pressure value of two time points before and after the atmospheric pressure sensor;
step e: calculating the ratio of the filter clogging degree to the elapsed time;
step f: is the security value exceeded? If yes, turning to the step g, and if not, turning to the step h;
step g: the screen prompts that the current dust concentration is higher, and the user asks for purification for safety consideration, and the operation is switched to step j;
step h: the screen prompts that the current dust concentration is in a safe range, and the step j is carried out;
step i: screen prompt "reference time is not sufficient, please wait at least 20 hours";
step j: and (6) ending.
The utility model discloses utilize original cooling technology and the display technology of projector, will improve the monitoring of air quality and function integration to projector, increase domestic/commercial projector's added value. The external air purification device is additionally arranged at the exhaust end of the projector, the device continuously emits chlorine dioxide gas by utilizing the hot exhaust of the projector, and the formaldehyde in the air is decomposed into carbon dioxide and water through the neutralization effect of the chlorine dioxide and the formaldehyde. And the free chlorine dioxide particles adsorb dust in the air to make the dust fall, thereby improving the air quality.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A projector with air quality monitoring and improving functions comprises: the projector comprises a projector body, the projector body has air intake, air outlet, display screen, the inside of projector body has main CPU, outer gas sensor, baroceptor, outer gas sensor with baroceptor is equallyd and is connected respectively main CPU, its characterized in that: the air inlet is also provided with a VOC sensor which is connected to the main CPU; the main CPU is provided with a VOC concentration detection module, and the VOC concentration detection module displays on the display screen when detecting that the VOC value exceeds the standard.
2. The projector of claim 1 having air quality monitoring and improvement functions, wherein: the air inlet of the projector body is further provided with a filter, the main CPU is further provided with a dust detection module, the dust detection module conjectures the blocking degree of the filter according to the air pressure changes of the front time point and the rear time point, and conjectures the dust concentration according to the blocking degree of the filter, so that the dust concentration is displayed on the display screen.
3. The projector according to claim 1 or 2, wherein the projector further comprises: the air outlet is also provided with an air quality improving device.
4. A projector as claimed in claim 3 having air quality monitoring and improving functions, wherein: the air quality improving device is a chlorine dioxide generator.
Priority Applications (1)
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CN202120304642.6U CN214895107U (en) | 2021-02-03 | 2021-02-03 | Projector with air quality monitoring and improving functions |
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CN202120304642.6U CN214895107U (en) | 2021-02-03 | 2021-02-03 | Projector with air quality monitoring and improving functions |
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CN202120304642.6U Expired - Fee Related CN214895107U (en) | 2021-02-03 | 2021-02-03 | Projector with air quality monitoring and improving functions |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112987482A (en) * | 2021-02-03 | 2021-06-18 | 麦克赛尔数字映像(中国)有限公司 | Projector with air quality detection and improvement functions and detection method thereof |
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2021
- 2021-02-03 CN CN202120304642.6U patent/CN214895107U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112987482A (en) * | 2021-02-03 | 2021-06-18 | 麦克赛尔数字映像(中国)有限公司 | Projector with air quality detection and improvement functions and detection method thereof |
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |
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