CN111854838A - Integrated household environmental sensor - Google Patents
Integrated household environmental sensor Download PDFInfo
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- CN111854838A CN111854838A CN202010720022.0A CN202010720022A CN111854838A CN 111854838 A CN111854838 A CN 111854838A CN 202010720022 A CN202010720022 A CN 202010720022A CN 111854838 A CN111854838 A CN 111854838A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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Abstract
The invention discloses an integrated household environment sensor which comprises a shell, wherein a drawing plate assembly is arranged at the top end of the shell, a partition plate is arranged at the middle end in the shell, a base plate is arranged in the shell and on one side of the partition plate, a temperature sensor and a humidity sensor are sequentially arranged at the top end of the base plate, an opening is formed in the partition plate, an exhaust fan is arranged at one end, close to the base plate, of the opening, an oil smoke separating device is arranged at the other end of the opening, an oil smoke sensor is arranged in the shell and on one side, far away from the base plate, of the partition plate, and a through hole. Has the advantages that: the invention can avoid the accuracy reduction of the environment sensor in the oil smoke environment of the kitchen.
Description
Technical Field
The invention relates to an environment sensor, in particular to an integrated household environment sensor.
Background
With the rapid development of science and technology, sensors have been widely used in various fields of aerospace, industrial and agricultural production and family life. In an indoor scene such as a home, in order to finely control the operating conditions of an air conditioner or the like and maintain a comfortable living environment, it is necessary to measure the temperature and humidity distribution in a living space at home.
Chinese patent No. CN106531757A discloses a MEMS environmental sensor, its one side that is close to the base plate through the ASIC chip is provided with the cavity, the MEMS chip is located the cavity, and the MEMS chip is connected on the base plate, thereby the MEMS chip has been protected, but when the kitchen in the family used environment sensor, because the characteristics of chinese meal, can produce more oil smoke in the kitchen, when the oil smoke mixes the air admission MEMS chip, the oil smoke can lead to the fact the influence to the precision of MEMS sensor, lead to the numerical value of sensor to take place the deviation.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention is directed to an integrated home environmental sensor, which overcomes the above-mentioned problems of the related art.
Therefore, the invention adopts the following specific technical scheme:
the utility model provides an integrated form domestic environmental sensor, which comprises an outer shell, the top of shell is provided with pull board subassembly, the inside middle-end of shell is provided with the baffle, just be provided with the base plate in one side of baffle in the shell, the top of base plate has set gradually temperature sensor and humidity transducer, be provided with the opening on the baffle, the one end that the opening is close to the base plate is provided with the air exhauster, the open-ended other end is provided with separation fume device, just keep away from one side of base plate at the baffle in the shell and be provided with the oil smoke sensor, the bottom of shell just is provided with the perforating.
Furthermore, in order to be able to detect the temperature data in the environment, and then can carefully control the environment in the house, keep comfortable living environment, temperature sensor is including setting up the silicon-based substrate on base plate top, and the middle part bottom of silicon-based substrate is provided with the cavity, is provided with the pressure drag on the silicon-based substrate, and the top of silicon-based substrate is provided with insulating medium layer, and the top of insulating medium layer is provided with the aluminium membrane material layer.
Further, in order to improve the accuracy of the temperature sensor, the thickness of the aluminum film material layer is larger than that of the insulating medium layer.
Further, in order to detect the humidity data in the environment and further control the environment in the house carefully, keep comfortable living environment, the humidity sensor includes the glass substrate that sets up on the base plate top, and the top of glass substrate is provided with the bottom electrode layer, and the top of bottom electrode layer is provided with the polyimide layer, and the top of polyimide layer is provided with the electrode layer.
Furthermore, in order to improve the response time of the humidity sensor and further improve the use experience of the humidity sensor, the upper electrode layer is made of carbon nano tube materials, and a plurality of groups of gaps are arranged in the upper electrode layer.
Further, in order to take out the oil fume separating device, and then after the environment sensor is used for a period of time, accumulated oil fume particles in the oil fume separating device can be cleaned, and then the separation effect of the oil fume separating device can be prevented from being reduced.
Further, in order to be able to separate oil smoke granule and air in the mist in the family kitchen, and then can avoid oil smoke granule to accumulate on temperature sensor and humidity transducer, avoid causing the precision of these sensors to descend, separate fume plant is including setting up the casing of keeping away from one side of base plate at the baffle, the bottom of casing sets up to the cone type, the bottom of casing is provided with out the oil smoke mouth, and the bottom of going out the oil smoke mouth runs through the bottom of shell and extends to the outside of shell, be provided with the air inlet on the top lateral wall of casing, the top of casing is provided with the gas outlet, and the top of gas outlet extends to the opening part.
Further, in order to improve the oil smoke separation effect, the shape of the air inlet is trapezoidal.
Furthermore, in order to reduce the power consumption and the service life of the exhaust fan and further reduce the overall power consumption of the environment sensor, the household use is facilitated, and the motor in the exhaust fan is a brushless motor.
Further, for the installation that can be convenient and dismantle the baffle, and then more convenient when clearance separation fume plant, the below of baffle and be provided with a plurality of groups of pinholes in the bottom of shell, the bottom of baffle is provided with a plurality of groups and pinhole matched with round pin axle two.
The invention has the beneficial effects that:
(1) according to the invention, the temperature sensor, the humidity sensor and the like are arranged, so that temperature and humidity data in the environment can be detected, the environment in a house can be carefully controlled, and a comfortable living environment can be kept; through setting up the oil smoke sensor to can detect the oil smoke content in the kitchen, and then avoid unexpected emergence in the kitchen.
(2) By arranging the oil fume separating device, oil fume particles in mixed gas in a household kitchen can be separated from air, so that the oil fume particles can be prevented from being accumulated on a temperature sensor and a humidity sensor, and the accuracy of the sensors is prevented from being reduced; through setting up pull board subassembly etc. to can take out separation fume exhaust apparatus, and then use a period of time back at environmental sensor, can clear up the oil smoke granule of separating the interior accumulation of fume exhaust apparatus, and then can avoid separation fume exhaust apparatus's separation effect to descend.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an integrated home environment sensor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a temperature sensor of an integrated home environment sensor according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a humidity sensor of an integrated home environment sensor according to an embodiment of the present invention;
fig. 4 is a side view schematically illustrating an integrated household environmental sensor lampblack separating device according to an embodiment of the invention;
fig. 5 is a schematic perspective view of a pull plate assembly of an integrated home environmental sensor according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a drawing plate of an integrated home environment sensor according to an embodiment of the invention.
In the figure:
1. a housing; 2. drawing the plate assembly; 201. a chute; 202. a drawing plate; 203. a first round hole; 204. a second round hole; 205. a first pin shaft; 3. a partition plate; 4. a substrate; 5. a temperature sensor; 501. a silicon-based substrate; 502. a cavity; 503. pressure resistance; 504. an insulating dielectric layer; 505. an aluminum film material layer; 6. a humidity sensor; 601. a glass substrate; 602. a lower electrode layer; 603. a polyimide layer; 604. an upper electrode layer; 605. a gap; 7. an opening; 8. an exhaust fan; 9. an oil fume separation device; 901. a housing; 902. an oil smoke outlet; 903. an air inlet; 904. an air outlet; 10. a soot sensor; 11. a through hole; 12. a pin hole; 13. and a second pin shaft.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
According to an embodiment of the present invention, an integrated home environment sensor is provided.
Referring to the drawings and the detailed description, as shown in fig. 1-6, an integrated home environment sensor according to an embodiment of the present invention includes a housing 1, a drawing plate assembly 2 is disposed at a top end of the housing 1, a partition plate 3 is disposed at a middle end inside the housing 1, a substrate 4 is disposed inside the housing 1 and on one side of the partition plate 3, a temperature sensor 5 and a humidity sensor 6 are sequentially disposed at a top end of the substrate 4, an opening 7 is disposed on the partition plate 3, an exhaust fan 8 is disposed at one end of the opening 7 close to the substrate 4, a lampblack separating device 9 is disposed at the other end of the opening 7, a lampblack sensor 10 is disposed inside the housing 1 and on one side of the partition plate 3 far from the substrate 4, and a through hole 11 is disposed at a bottom end of the housing 1.
By means of the scheme, the invention can avoid the accuracy reduction of the environment sensor in the oil smoke environment of the kitchen.
In an embodiment, for the temperature sensor 5, the temperature sensor 5 includes a silicon-based substrate 501 disposed on the top of the base plate 4, a cavity 502 is disposed at the bottom end of the middle portion of the silicon-based substrate 501, a piezoresistor 503 is disposed on the silicon-based substrate 501, an insulating medium layer 504 is disposed on the top end of the silicon-based substrate 501, and an aluminum film material layer 505 is disposed on the top end of the insulating medium layer 504, so that temperature data in the environment can be detected, the environment in the home can be finely controlled, and a comfortable living environment can be maintained.
In one embodiment, for the above-mentioned aluminum film material layer 505, the thickness of the aluminum film material layer 505 is larger than that of the insulating medium layer 504, so as to improve the accuracy of the temperature sensor 5.
In one embodiment, for the humidity sensor 6, the humidity sensor 6 includes a glass substrate 601 disposed on the top end of the substrate 4, a lower electrode layer 602 is disposed on the top end of the glass substrate 601, a polyimide layer 603 is disposed on the top end of the lower electrode layer 602, and an upper electrode layer 604 is disposed on the top end of the polyimide layer 603, so that humidity data in an environment can be detected, and further, the environment in a home can be finely controlled to maintain a comfortable living environment.
In one embodiment, for the upper electrode layer 604, the upper electrode layer 604 is made of carbon nanotube, and a plurality of groups of gaps 605 are disposed in the upper electrode layer 604, so as to improve the response time of the humidity sensor 6, thereby improving the use experience of the present invention.
In an embodiment, for the above-mentioned pulling plate assembly 2, the pulling plate assembly 2 includes a sliding groove 201 disposed at the top end of the housing 1, a pulling plate 202 is disposed in the sliding groove 201, a first circular hole 203 is disposed in the pulling plate 202 in the horizontal direction, two circular holes 204 are disposed on two sides of the top end of the housing 1, a first pin 205 is disposed in each of the two circular holes 204, and one end of the first pin 205 close to the first circular hole 203 extends into the first circular hole 203, so that the separated lampblack device 9 can be taken out, and then after the environmental sensor is used for a period of time, lampblack particles accumulated in the separated lampblack device 9 can be cleaned, and then the separation effect of the separated lampblack device 9 can be prevented from being reduced.
In an embodiment, for the above oil smoke separating device 9, the oil smoke separating device 9 includes a casing 901 disposed on one side of the partition plate 3 away from the substrate 4, the bottom of the casing 901 is set to be a cone shape, an oil smoke outlet 902 is disposed at the bottom end of the casing 901, the bottom end of the oil smoke outlet 902 penetrates through the bottom end of the casing 1 and extends to the outside of the casing 1, an air inlet 903 is disposed on a top side wall of the casing 901, an air outlet 904 is disposed at the top end of the casing 901, and the top end of the air outlet 904 extends to the opening 7, so that oil smoke particles in mixed gas in a home kitchen can be separated from air, and the oil smoke particles can be prevented from accumulating on the temperature sensor 5 and the humidity sensor 6, and precision reduction of the sensors can be avoided.
In one embodiment, as for the air inlets 903, the shape of the air inlets 903 is set to be trapezoidal, so that the separation effect of the soot can be improved.
In one embodiment, for the exhaust fan 8, the motor in the exhaust fan 8 is set to be a brushless motor, so that the power consumption and the service life of the exhaust fan 8 are reduced, the overall power consumption of the environmental sensor is reduced, and the household use is facilitated.
In one embodiment, for the partition plate 3, a plurality of groups of pin holes 12 are arranged below the partition plate 3 and at the bottom end of the housing 1, and a plurality of groups of pin shafts 13 matched with the pin holes 12 are arranged at the bottom end of the partition plate 3, so that the partition plate 3 can be conveniently mounted and dismounted, and the oil smoke separating device 9 can be conveniently cleaned.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, air enters the housing 1 from the through hole 11, the oil smoke sensor 10 can detect the content of oil smoke in the air, the exhaust fan 8 can suck the air into the air inlet 903 and then enter the housing 901 to perform circular motion, if the air contains oil smoke particles, the oil smoke particles contact the inner wall of the housing 901 and lose inertia force, then the oil smoke particles fall to the oil smoke outlet 902 and are discharged, the air forms an upward inner rotational flow and enters the other side of the partition plate 3 from the air outlet 904, and the temperature sensor 5 and the humidity sensor 6 are used for detecting the temperature and the humidity of the air. After the present invention is used for a period of time, after some soot particles are accumulated in the casing 901, the first pin 205 can be taken out from the first round hole 203 and the second round hole 204, the pull plate 202 is pulled away, the partition plate 3, the soot separating device 9, etc. can be taken out from the pin hole 12 and the casing 1, the soot separating device 9 is cleaned, and after the cleaning is finished, the partition plate 3, the soot separating device 9, etc. are installed on the pin hole 12 in the casing 1 again. The drawing plate component 2 is closed, and the closing operation is opposite to the opening operation.
In summary, according to the above technical solution of the present invention, by providing the temperature sensor 5 and the humidity sensor 6, temperature and humidity data in the environment can be detected, so as to control the environment in the home carefully and maintain a comfortable living environment; by arranging the oil smoke sensor 10, the oil smoke content in the kitchen can be detected, and accidents in the kitchen can be avoided. By arranging the oil fume separating device 9, oil fume particles in mixed gas in a household kitchen can be separated from air, so that the oil fume particles can be prevented from being accumulated on the temperature sensor 5 and the humidity sensor 6, and the accuracy of the sensors is prevented from being reduced; through setting up pull board subassembly 2 etc to can take out separation fume exhaust apparatus 9, and then use a period of time at environmental sensor after, can clear up the oil smoke granule of gathering up in separation fume exhaust apparatus 9, and then can avoid separation fume exhaust apparatus 9's separation effect to descend.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An integrated domestic environment sensor, characterized by comprising a housing (1), the top end of the shell (1) is provided with a drawing plate component (2), the middle end in the shell (1) is provided with a clapboard (3), a base plate (4) is arranged in the shell (1) and at one side of the clapboard (3), the top end of the base plate (4) is sequentially provided with a temperature sensor (5) and a humidity sensor (6), an opening (7) is arranged on the partition plate (3), an exhaust fan (8) is arranged at one end of the opening (7) close to the base plate (4), the other end of the opening (7) is provided with a lampblack separating device (9), a lampblack sensor (10) is arranged in the shell (1) and on one side of the partition plate (3) far away from the substrate (4), and a through hole (11) is formed at the bottom end of the shell (1) and below the oil smoke sensor (10).
2. The integrated home environment sensor of claim 1, wherein the temperature sensor (5) comprises a silicon-based substrate (501) disposed on the top of the base plate (4), a cavity (502) is disposed at the bottom of the middle of the silicon-based substrate (501), a piezoresistor (503) is disposed on the silicon-based substrate (501), an insulating medium layer (504) is disposed on the top of the silicon-based substrate (501), and an aluminum film material layer (505) is disposed on the top of the insulating medium layer (504).
3. An integrated home environment sensor according to claim 2, wherein the thickness of the aluminium film material layer (505) is greater than the thickness of the insulating dielectric layer (504).
4. An integrated home environment sensor according to claim 1, wherein the humidity sensor (6) comprises a glass substrate (601) disposed on top of the substrate (4), a lower electrode layer (602) is disposed on top of the glass substrate (601), a polyimide layer (603) is disposed on top of the lower electrode layer (602), and an upper electrode layer (604) is disposed on top of the polyimide layer (603).
5. An integrated home environment sensor according to claim 4, wherein the upper electrode layer (604) is made of carbon nanotube material, and the upper electrode layer (604) has a plurality of groups of gaps (605) disposed therein.
6. The integrated home environment sensor as claimed in claim 1, wherein the drawing plate assembly (2) comprises a sliding groove (201) disposed at the top end of the housing (1), a drawing plate (202) is disposed in the sliding groove (201), a first round hole (203) is disposed in the drawing plate (202) in the horizontal direction, second round holes (204) are disposed at two sides of the top end of the housing (1), a first pin shaft (205) is disposed in each second round hole (204), and one end of the first pin shaft (205) close to the first round hole (203) extends into the first round hole (203).
7. The integrated household environmental sensor according to claim 1, wherein the oil smoke separating device (9) comprises a casing (901) disposed on one side of the partition (3) far away from the substrate (4), the bottom of the casing (901) is set to be a cone shape, the bottom of the casing (901) is provided with an oil smoke outlet (902), the bottom of the oil smoke outlet (902) penetrates through the bottom of the casing (1) and extends to the outside of the casing (1), an air inlet (903) is disposed on a top side wall of the casing (901), an air outlet (904) is disposed at the top of the casing (901), and the top of the air outlet (904) extends to the opening (7).
8. An integrated home environment sensor according to claim 7, wherein the air inlet (903) is trapezoidal in shape.
9. An integrated home environment sensor according to claim 1 or 7, wherein the motor in the suction fan (8) is provided as a brushless motor.
10. The integrated household environment sensor as claimed in claim 1, wherein a plurality of groups of pin holes (12) are formed in the bottom end of the housing (1) below the partition plate (3), and a plurality of groups of pin shafts (13) matched with the pin holes (12) are formed in the bottom end of the partition plate (3).
Priority Applications (1)
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CN202010720022.0A CN111854838A (en) | 2020-07-23 | 2020-07-23 | Integrated household environmental sensor |
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CN202010720022.0A CN111854838A (en) | 2020-07-23 | 2020-07-23 | Integrated household environmental sensor |
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CN202010720022.0A Pending CN111854838A (en) | 2020-07-23 | 2020-07-23 | Integrated household environmental sensor |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050008061A1 (en) * | 2003-07-10 | 2005-01-13 | Norio Kaneko | Environment sensor |
CN201811931U (en) * | 2010-08-30 | 2011-04-27 | 广州博控自动化技术有限公司 | Oil smoke data acquisition device |
CN202527865U (en) * | 2012-03-26 | 2012-11-14 | 金陵科技学院 | Novel electric welder shell |
CN203298372U (en) * | 2013-05-17 | 2013-11-20 | 广西华信恒基科技发展有限公司 | Oil fume purifier |
CN204494548U (en) * | 2015-02-09 | 2015-07-22 | 王中奇 | Digital fume purifier of fume |
CN207600518U (en) * | 2017-12-27 | 2018-07-10 | 大连大方液压设备有限公司 | Temperature Humidity Sensor |
CN209247588U (en) * | 2018-12-04 | 2019-08-13 | 郑州聚焦电子科技有限公司 | A kind of cooking fume sensor |
-
2020
- 2020-07-23 CN CN202010720022.0A patent/CN111854838A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050008061A1 (en) * | 2003-07-10 | 2005-01-13 | Norio Kaneko | Environment sensor |
CN201811931U (en) * | 2010-08-30 | 2011-04-27 | 广州博控自动化技术有限公司 | Oil smoke data acquisition device |
CN202527865U (en) * | 2012-03-26 | 2012-11-14 | 金陵科技学院 | Novel electric welder shell |
CN203298372U (en) * | 2013-05-17 | 2013-11-20 | 广西华信恒基科技发展有限公司 | Oil fume purifier |
CN204494548U (en) * | 2015-02-09 | 2015-07-22 | 王中奇 | Digital fume purifier of fume |
CN207600518U (en) * | 2017-12-27 | 2018-07-10 | 大连大方液压设备有限公司 | Temperature Humidity Sensor |
CN209247588U (en) * | 2018-12-04 | 2019-08-13 | 郑州聚焦电子科技有限公司 | A kind of cooking fume sensor |
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