CN110967286A - Oil smoke probe - Google Patents
Oil smoke probe Download PDFInfo
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- CN110967286A CN110967286A CN201911401174.8A CN201911401174A CN110967286A CN 110967286 A CN110967286 A CN 110967286A CN 201911401174 A CN201911401174 A CN 201911401174A CN 110967286 A CN110967286 A CN 110967286A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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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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Abstract
The invention provides an oil smoke probe which comprises an oil smoke probe body, wherein the oil smoke probe body comprises an air inlet chamber and an air outlet chamber, a filter screen is arranged on the inner side of the air inlet chamber, an air inlet hole used for air inlet is formed in the air inlet chamber, the air inlet chamber is connected with the air outlet chamber through a connecting piece, a fan is fixedly installed on one side of the connecting piece and used for conveying air in the air inlet chamber to the air outlet chamber, and an air outlet hole used for air outlet is formed in the air outlet chamber. The invention can realize the determination of the air flow direction in the probe by arranging the fan and the air outlet, so that the air flow in the probe is smooth, and the detection data is more accurate; the sensor of the acquisition module is connected with the main control module, so that the content of particulate matters, the concentration of temperature and humidity and the content of non-methane total hydrocarbons in the air are detected and transmitted to the main control module; through setting up wireless transmission module, realized in time carrying out wireless transmission with the data that collection module that the host system received detected, effectually prevented the emergence of conflagration.
Description
Technical Field
The invention relates to the technical field of oil smoke probes, in particular to an oil smoke probe.
Background
With the increasing improvement of the quality of life of people, the catering industry is also rapidly developed, the oil smoke pollution in the catering industry becomes a big problem of urban environment pollution, the harm of kitchen oil smoke to human bodies increasingly attracts people's extensive attention, the real-time monitoring of the oil smoke becomes a great importance, but the oil smoke probe in the prior art generally has the problem of unsmooth air circulation, so that the oil smoke is stored in the oil smoke probe for a long time, and the measurement accuracy is reduced.
Therefore, the problem to be solved is to provide a fume probe with smooth air circulation in the probe and high measurement precision.
Disclosure of Invention
In view of the above, the present invention provides a smoke detector.
In order to solve the technical problems, the invention adopts the technical scheme that: an oil smoke probe comprises an air inlet chamber and an air outlet chamber, wherein a filter screen is arranged on the inner side of the air inlet chamber, an air inlet hole for air inlet is formed in the air inlet chamber, the air inlet chamber is connected with the air outlet chamber through a connecting piece, a fan is fixedly installed on one side of the connecting piece and used for conveying gas in the air inlet chamber to the air outlet chamber, and an air outlet hole for air outlet is formed in the air outlet chamber;
the device comprises a circuit board, a sensor, a temperature and humidity sensor, a particle sensor and a particle sensor, wherein the circuit board is fixedly arranged on the circuit board, the sensor is fixedly arranged on the circuit board, the particle sensor is used for detecting the particle content of indoor gas;
the sensor base is provided with a through hole for the cable to pass through, and the bottom cover is provided with a through hole for the cable to pass through.
Be equipped with control circuit on the circuit board, control circuit includes host system, power module, display module, collection module and wireless transmission module:
the main control module comprises a main control chip U1 for controlling the whole circuit of the oil smoke probe;
the power supply module comprises a first conversion unit and a second conversion unit, and is used for providing power supply for the control circuit;
the first conversion unit comprises a converter VR1, a pin 2 and a pin 4 of the converter VR1 are connected through a capacitor C9, a capacitor C10 and a capacitor C11 which are connected in parallel, a pin 2 of the converter VR1 is further connected with a 12V input power supply, a capacitor C6 is connected in series between a pin 3 and a pin 1 of the converter VR1, a pin 3 of the converter VR1 is further connected with one end of an inductor L1, the other end of the inductor L1 is connected with a 5V output end, and the first conversion unit is used for converting a 12V direct current voltage into a 5V direct current voltage;
the second conversion unit comprises a voltage stabilizer VR2, a Vin pin of the voltage stabilizer VR2 is connected with a 5V output end of the first conversion unit, a Vout pin of the voltage stabilizer VR2 is connected with a 3.3V output end, and the second conversion unit is used for converting a 5V direct-current voltage into a 3.3V direct-current voltage;
the display module comprises an indicator lamp D3, an indicator lamp D4, an indicator lamp D5 and an indicator lamp D6, wherein the indicator lamp D3 is used for displaying whether the oil smoke probe is connected with a power supply, the indicator lamp D4 is used for displaying whether a particulate matter sensor connected with the oil smoke probe normally works, the indicator lamp D5 is used for displaying whether a temperature and humidity sensor connected with the oil smoke probe normally works, and the indicator lamp D6 is used for displaying whether the oil smoke probe normally works;
the acquisition module comprises a plurality of sensors, the sensors are respectively connected with the main control chip U1, and the sensors are used for respectively acquiring respective data and transmitting the data to the main control module;
the collecting module comprises a particulate matter sensor P2, a temperature and humidity sensor P3 and an air quality sensor U4, wherein a pin 4, a pin 5 and a pin 6 of the particulate matter sensor P2 are connected with a pin 8, a pin 9 and a pin 12 of a main control chip U1 and are used for detecting the content of particulate matters in air and transmitting the content of the particulate matters to the main control module;
the pins 3 and 4 of the temperature and humidity sensor P3 are connected with the pins 14 and 13 of the main control chip U1, and are used for detecting the concentration of temperature and humidity in air and transmitting the concentration to the main control module;
the pin 2 of the air quality sensor U4 is connected with the pin 11 of the main control chip U1 and is used for detecting non-methane total hydrocarbons in the air and transmitting the detected non-methane total hydrocarbons to the main control module;
the wireless transmission module comprises a transmission chip U2, and a pin 1, a pin 2 and a pin 4 of the transmission chip U2 are respectively connected with a pin 18, a pin 2 and a pin 17 of a main control chip U1 and are used for wirelessly transmitting data received by the main control module;
and the pin 6 and the pin 7 of the transmission chip U2 are respectively connected with the pin 1 and the pin 2 of the TVS diode U3, and the TVS diode U3 is used for carrying out EMC protection on the transmission chip U2.
The invention has the advantages and positive effects that:
(1) the invention realizes the determination of the air flow direction in the probe by arranging the fan and the air outlet, so that the air flow in the probe is smooth, and the detection data is more accurate.
(2) According to the invention, the sensor of the acquisition module is connected with the main control module, so that the content of particulate matters, the concentration of temperature and humidity and the content of non-methane total hydrocarbons in the air are detected and transmitted to the main control module.
(3) According to the invention, by arranging the wireless transmission module, the data detected by the acquisition module and received by the main control module are transmitted wirelessly in time, so that a fire disaster is effectively prevented.
Drawings
FIG. 1 is an overall structure view of an oil smoke probe of the present invention;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a block diagram of the control circuit of the present invention;
FIG. 4 is a circuit schematic of the master control module of the control circuit of the present invention;
FIG. 5 is a circuit schematic of a first switching unit of the control circuit of the present invention;
FIG. 6 is a circuit schematic of a second switching unit of the control circuit of the present invention;
FIG. 7 is a circuit schematic of a display module of the control circuit of the present invention;
FIG. 8 is a circuit schematic of the particulate matter sensor of the control circuit of the present invention;
FIG. 9 is a schematic circuit diagram of the temperature and humidity sensor of the control circuit of the present invention;
FIG. 10 is a circuit schematic of the air quality sensor of the control circuit of the present invention;
FIG. 11 is a circuit schematic of a wireless transmission module of the control circuit of the present invention;
in the figure:
101, mounting plates 102, air inlet chambers 103, air outlet chambers 104, filter screens 105, air inlet holes 106 and air outlet holes;
201, connectors, 202, fans, 203, sensor bases, 204, sensors, 205, circuit boards, 206, bottom covers, 207, right-angle pieces, 208 and through holes.
Detailed Description
As shown in fig. 1 to 11, the present invention provides an oil smoke probe, including an oil smoke probe, where the oil smoke probe includes an air inlet chamber 102 and an air outlet chamber 103, a filter screen 104 is disposed inside the air inlet chamber 102, an air inlet hole 105 for air inlet is disposed on the air inlet chamber 102, the air inlet chamber 102 and the air outlet chamber 103 are connected by a connecting member 201, a fan 202 is fixedly mounted on one side of the connecting member 201, and is used for conveying air in the air inlet chamber 102 to the air outlet chamber 103, and an air outlet hole 106 for air outlet is disposed on the air outlet chamber 103;
the outer side of the air outlet chamber 103 of the oil fume probe is provided with a mounting plate 101 for fixing, one side of the air outlet chamber 103 of the oil fume probe is fixedly provided with a bottom cover 206, the bottom cover 206 is fixedly provided with a sensor base 203, a circuit board 205 is fixedly arranged on the sensor base 203 through a right-angle piece 207, the circuit board 205 is provided with a temperature and humidity sensor and an air quality sensor for detecting the concentration of the temperature and the humidity of indoor gas and the content of non-methane total hydrocarbons, a sensor 204 is fixedly arranged on the circuit board, and the sensor 204 is a particulate matter sensor for detecting the particulate matter content of the indoor gas;
a through hole for passing a cable is formed in the sensor base 203, and a through hole 208 for passing a cable is formed in the bottom cover 206.
Be equipped with control circuit on the circuit board 205, control circuit includes host system, display module, sampling module, power module and wireless transmission module:
the main control module comprises a main control chip U1 for controlling the whole circuit of the oil smoke probe;
the power supply module comprises a first conversion unit and a second conversion unit, the first conversion unit comprises a converter VR1, a pin 1 of the converter VR1 is connected with one end of a capacitor C6, a pin 2 of the converter VR1 is connected with one end of a resistor R11, one end of a capacitor C11, one end of a capacitor C10, one end of a capacitor C9 and a 12V input power supply, a pin 3 of the converter VR1 is connected with the other end of the capacitor C6 and one end of an inductor L1, a pin 4 of the converter VR1 is connected with the other end of a capacitor C11, the other end of a capacitor C10, the other end of a capacitor C9 and ground, a pin 5 of the converter VR1 is connected with one end of a capacitor C19, one end of a resistor R15 and one end of a resistor R16, the other end of a capacitor C19 is connected with the other end of the inductor L1, one end of a resistor R14, one end of a capacitor C14 and an output end of a capacitor V365, the other end of the resistor R14 is connected with the other end of a resistor R15, the other end of the resistor R16 is grounded, the other end of the capacitor C15 is connected with the other end of a capacitor C16, the other end of a capacitor C17, the other end of a capacitor C18 and the ground, a pin 6 of the converter VR1 is connected with one end of the capacitor C8, the other end of the capacitor C8 is grounded, a pin 7 of the converter VR1 is connected with the other end of a resistor R11, a pin 8 of the converter VR1 is connected with one end of a capacitor C7, the other end of the capacitor C7 is grounded, and the converter VR1 is used for converting 12V DC voltage into 5V DC voltage;
the second conversion unit comprises a voltage stabilizer VR2, a Vin pin of a voltage stabilizer VR2 is connected with a 5V output end of the first conversion unit and one end of a capacitor C12, a GND pin of the voltage stabilizer VR2 is connected with the other end of the capacitor C12, one end of a capacitor C13, one end of a capacitor C14 and the ground, a Vout pin of the voltage stabilizer VR2 is connected with the other end of the capacitor C13, the other end of the capacitor C14 and a 3.3V output end, and the voltage stabilizer VR2 is used for converting 5V direct current voltage into 3.3V direct current voltage;
the display module comprises an indicator lamp D3, an indicator lamp D4, an indicator lamp D5 and an indicator lamp D6, the anodes of the indicator lamps are respectively connected with the 3.3V output end of the power module, the cathode of the indicator lamp D3 is connected with one end of a resistor R6, the other end of the resistor R6 is grounded, the indicator lamp D3 is used for displaying whether the oil fume probe is connected with a power supply, the cathodes of the indicator lamp D4, the indicator lamp D5 and the indicator lamp D6 are respectively connected with a resistor R7, a resistor R8 and a resistor R9, the other end of the resistor R7 is connected with an LED1 pin of a main control chip U1, the indicator lamp D462 is used for displaying whether a particulate matter sensor connected with the oil fume probe normally works, the other end of the resistor R8 is connected with an LED2 pin of the main control chip U1, the indicator lamp D5 is used for displaying whether a temperature and humidity sensor connected with the oil fume probe normally works, the other end of the resistor R, and the indicator lamp D6 is used for displaying whether the oil smoke probe normally operates.
The sampling module comprises a particle sensor P2, a temperature and humidity sensor P3 and an air quality sensor U4, wherein a pin 1 of the particle sensor P2 is connected with a 5V output end of a power module, a pin 2 of the particle sensor P2 is grounded, one end of a pin 4 of the particle sensor P2 is connected with one end of a resistor R19 and a USART2_ TX pin of a main control chip U1, one end of a pin 5 of a particle sensor P2 is connected with one end of a resistor R18 and a USART2_ RX pin of a main control chip U1, one end of a pin 6 of the particle sensor P2 is connected with a resistor R3 and a PM-RESET1 pin of the main control chip U1, and the other end of the resistor R19 is connected with the other end of the resistor R18, the other end of the resistor R3 and a 3.3V output end of the power module, so that the particle content in;
a pin 1 of the air quality sensor U4 is connected with one end of an inductor C5, one end of a resistor R13, one end of a capacitor C20 and the ground, a pin 2 of the air quality sensor U4 is connected with one end of a resistor R12 and the other end of a resistor R13, the other end of the resistor R12 and the other end of the capacitor C20 are connected with a VRL pin of a main control chip and a port 4 of an interface P5, and a pin 3 of the air quality sensor U4 is connected with a pin 4 of an air quality sensor U4, the other end of the capacitor C5 and a 5V output end of a power module and used for detecting non-methane total hydrocarbons in the air and transmitting the detected non-methane total hydrocarbons to the main control;
the wireless transmission module comprises a transmission chip U2, a pin 1 of the transmission chip U2 is connected with a USART1_ RX pin of a main control chip U1, a pin 2 of the transmission chip U2 is connected with a 485_ EN pin of a main control chip U1, one end of a resistor R4 and a pin 3 of the transmission chip U2, a pin 4 of the transmission chip U2 is connected with a USART1_ TX pin of a main control chip U1, a pin 5 of the transmission chip U2 is grounded, a pin 6 of the transmission chip U2 is connected with a pin 1 of a TVS diode U3 and one end of a fuse F3, a pin 7 of the transmission chip U2 is connected with a pin 2 of a TVS diode U3 and one end of a fuse F2, a pin 8 of the transmission chip U2 is connected with a 3.3V output end of a power supply module, a pin 2 of the TVS diode U3 is grounded, the other end of the fuse F3 is connected with a port P1, and the other end of the fuse F1 is connected with a port P2, port 2 of the interface P1 is grounded, port 1 of the interface P1 is connected with the anode of a diode D1, the cathode of the diode D1 is connected with one end of a fuse F1, the other end of the fuse F1 is connected with a 12V input power supply and the anode of an active capacitor E1, the cathode of the active capacitor E1 is grounded, the wireless transmission module is used for wirelessly transmitting data received by the main control module, and the TVS diode U3 is used for performing EMC protection on a transmission chip U2 to prevent common mode interference phenomena of ESD, EFT and Surge from occurring in the data transmission process.
The working principle and the working process of the invention are as follows: the fan 202 rotates and pumps gas in the air to the air inlet chamber 102 from the outside of the oil smoke probe, and then the gas is pumped to the air outlet chamber 103 from the air inlet chamber 102, the air is discharged from the air outlet hole 106 through the oil smoke probe, the particulate matter sensor, the temperature and humidity sensor and the air quality sensor are used for detecting and transmitting data information to the main control module, the main control module transmits the information to the wireless transmission module, and the wireless transmission module transmits the information to the upper computer.
The invention is characterized in that: the fan and the air outlet hole are arranged, so that the air circulation direction in the probe is determined, the air circulation in the probe is smooth, and the detection data is more accurate; the sensor of the acquisition module is connected with the main control module, so that the content of particulate matters, the concentration of temperature and humidity and the content of non-methane total hydrocarbons in the air are detected and transmitted to the main control module; through setting up wireless transmission module, realized in time carrying out wireless transmission with the data that collection module that the host system received detected, effectually prevented the emergence of conflagration.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (10)
1. The oil smoke probe is characterized by comprising an air inlet chamber (102) and an air outlet chamber (103), wherein a filter screen (104) is arranged on the inner side of the air inlet chamber (102), a fan (202) is arranged between the air inlet chamber (102) and the air outlet chamber (103) and used for conveying air in the air inlet chamber (102) to the air outlet chamber (103), and air outlet holes (106) used for exhausting air are formed in the air outlet chamber (103).
2. The lampblack probe as claimed in claim 1, wherein a bottom cover (206) is fixedly mounted on one side of the gas outlet chamber (103) of the lampblack probe, and a sensor base (203) is fixedly mounted on the bottom cover (206).
3. The lampblack probe as claimed in claim 2, characterized in that a circuit board (205) is fixedly mounted on the sensor base (203) through a right-angle piece (207), and a temperature and humidity sensor and an air quality sensor are arranged on the circuit board (205).
4. A cooking fume probe according to claim 3, wherein the sensor (204) is fixedly mounted on the circuit board (205), the sensor (204) being a particle sensor.
5. A smoke probe according to claim 3, wherein said sensor base (203) is provided with a through hole for passing a cable, and said bottom cover (206) is provided with a through hole (208) for passing a cable.
6. The lampblack probe according to claim 3, wherein a control circuit is arranged on the circuit board and comprises a main control module, an acquisition module and a wireless transmission module:
the main control module comprises a main control chip U1 for controlling the whole circuit of the oil smoke probe;
the acquisition module comprises a plurality of sensors, the sensors are respectively connected with the main control chip U1, and the sensors are used for respectively acquiring respective data and transmitting the data to the main control module;
the wireless transmission module comprises a transmission chip U2, and the pin 1, the pin 2 and the pin 4 of the transmission chip U2 are respectively connected with the pin 18, the pin 2 and the pin 17 of the main control chip U1 and are used for wirelessly transmitting data received by the main control module.
7. The lampblack probe as claimed in claim 6, wherein the collection module comprises a particulate matter sensor P2, a temperature and humidity sensor P3 and an air quality sensor U4, and a pin 4, a pin 5 and a pin 6 of the particulate matter sensor P2 are connected with a pin 8, a pin 9 and a pin 12 of a main control chip U1 and are used for detecting the content of particulate matters in the air and transmitting the content to the main control module.
8. The lampblack probe as claimed in claim 7, wherein pin 2 of the air quality sensor U4 is connected to pin 11 of a main control chip U1 and used for detecting the content of non-methane total hydrocarbons in the air and transmitting the detected content to a main control module.
9. The lampblack probe according to claim 7, wherein pins 3 and 4 of the temperature and humidity sensor P3 are connected with pins 14 and 13 of a main control chip U1 and used for detecting the concentration of temperature and humidity in air and transmitting the concentration to a main control module.
10. The lampblack probe as claimed in claim 6, wherein pin 6 and pin 7 of the transmission chip U2 are connected to pin 1 and pin 2 of TVS diode U3, respectively, and the TVS diode U3 is used for EMC protection of the transmission chip U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401174.8A CN110967286A (en) | 2019-12-30 | 2019-12-30 | Oil smoke probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911401174.8A CN110967286A (en) | 2019-12-30 | 2019-12-30 | Oil smoke probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110967286A true CN110967286A (en) | 2020-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911401174.8A Pending CN110967286A (en) | 2019-12-30 | 2019-12-30 | Oil smoke probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110967286A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748051A (en) * | 2020-12-23 | 2021-05-04 | 天津智易时代科技发展有限公司 | Negative pressure type oil smoke probe and detection method thereof |
| CN112816273A (en) * | 2020-12-30 | 2021-05-18 | 天津智易时代科技发展有限公司 | Gas rapid sampling processing air chamber |
| CN113960258A (en) * | 2021-10-22 | 2022-01-21 | 任志广 | Oil smoke detecting system |
-
2019
- 2019-12-30 CN CN201911401174.8A patent/CN110967286A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112748051A (en) * | 2020-12-23 | 2021-05-04 | 天津智易时代科技发展有限公司 | Negative pressure type oil smoke probe and detection method thereof |
| CN112816273A (en) * | 2020-12-30 | 2021-05-18 | 天津智易时代科技发展有限公司 | Gas rapid sampling processing air chamber |
| CN112816273B (en) * | 2020-12-30 | 2023-08-08 | 天津智易时代科技发展有限公司 | Quick sampling treatment air chamber for gas |
| CN113960258A (en) * | 2021-10-22 | 2022-01-21 | 任志广 | Oil smoke detecting system |
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