CN214749617U - Oil smoke particulate matter detection device with heating function - Google Patents
Oil smoke particulate matter detection device with heating function Download PDFInfo
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- CN214749617U CN214749617U CN202121227977.9U CN202121227977U CN214749617U CN 214749617 U CN214749617 U CN 214749617U CN 202121227977 U CN202121227977 U CN 202121227977U CN 214749617 U CN214749617 U CN 214749617U
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Abstract
The utility model discloses a take oil smoke particulate matter detection device of heating function, including oil smoke particulate matter detecting element, the total hydrocarbon detecting element of non-methane, the aspiration pump, air cleaner, single-chip module, transmission module, power control module and variable voltage module, the sampling head connecting pipe is connected to oil smoke particulate matter detecting element's air inlet, air cleaner's air inlet is connected to oil smoke particulate matter detecting element's gas outlet, the air inlet of the total hydrocarbon detecting element of non-methane is connected to air cleaner's gas outlet, the aspiration pump is connected to the total hydrocarbon detecting element's of non-methane gas outlet, oil smoke particulate matter detecting element, air cleaner and the total hydrocarbon detecting element of non-methane are located same straight line, be connected with the heating unit on the sampling head connecting pipe. The utility model discloses can accomplish very little with two detecting element's detection chamber volumes, detect the chamber can be fine and install at quick-witted incasement with other parts together, compact structure, convenient operation ensures the detection precision to total hydrocarbon of non-methane and oil smoke particulate matter.
Description
Technical Field
The utility model relates to a spare part of oil smoke check out test set especially relates to an oil smoke particulate matter detection device of area heating function.
Background
The oil fume detection device is generally used for detecting indexes of oil fume, particulate matters and non-methane total hydrocarbons in the oil fume; generally, an oil smoke particle detection unit is adopted to detect an oil smoke concentration index and a particle concentration index, and a non-methane total hydrocarbon detection unit is adopted to detect a non-methane total hydrocarbon concentration index; at present, a conventional oil fume detection device usually installs an oil fume particle detection unit and a non-methane total hydrocarbon detection unit in the same detection cavity, so that the volume of the detection cavity is large, and a large installation space is needed for installation, so that the detection cavity and other parts (such as a power supply control module, a variable voltage module, an air pump and the like) are difficult to install in a machine box of the oil fume detection device at the same time, the power supply control module, the variable voltage module and an integral control module are often installed on a cabinet door together, the cabinet door is heavy in structure and inconvenient to open and close, and the control stability is influenced; the air pump and the inflator pump are arranged externally or far away from the detection cavity, so that air pumping and inflating effects are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the defect that exists among the above-mentioned prior art and not enough, the utility model provides a separately set up oil smoke particulate matter detecting element and the total hydrocarbon detecting element of non-methane and pass through the pipe connection, can accomplish very little with two detecting element's detection chamber volumes, thereby it can be fine to detect the chamber and install at quick-witted incasement with other parts together, moreover, the steam generator is compact in structure, and convenient for operation, the control stability is high, set up air cleaner simultaneously between two detecting element, further ensure to the total hydrocarbon detection precision of non-methane, set up the heating element and the heat preservation chamber of cooperation oil smoke particulate matter detecting element simultaneously, prevent that oil smoke particulate matter from detecting the influence of time measuring aqueous vapor to its detection precision, further ensure the oil smoke particulate matter and detect the oil smoke particulate matter detection device of taking heating function of precision.
The technical scheme of the utility model: an oil smoke particulate matter detection device with a heating function comprises an oil smoke particulate matter detection unit, a non-methane total hydrocarbon detection unit and an air pump, an air filter connected between the oil smoke particulate matter detection unit and the non-methane total hydrocarbon detection unit, a single chip microcomputer module for storage and control, a transmission module for signal transmission, a power supply control module for power supply and a variable voltage module, a sampling head connecting pipe is connected with an air inlet of the oil smoke particulate matter detection unit, an air inlet of the air filter is connected with an air outlet of the oil smoke particulate matter detection unit through a filtering air inlet pipe, an air inlet of the non-methane total hydrocarbon detection unit is connected with an air outlet of the air filter through a filtering air pipe, the air outlet of the non-methane total hydrocarbon detection unit is connected with the air pump through an air exhaust pipe, the oil smoke particulate matter detection unit, the air filter and the non-methane total hydrocarbon detection unit are positioned on the same straight line, the sampling head connecting pipe is divided into an upper connecting pipe and a lower connecting pipe, the upper end of the upper connecting pipe is connected with an air inlet of the oil smoke particle detection unit, a heating unit is connected between the lower end of the upper connecting pipe and the upper end of the lower connecting pipe, the outer sides of the oil smoke particle detection unit and the heating unit are provided with a heat preservation cavity, and a temperature display and control module matched with the heating unit is arranged on the heat preservation cavity.
The utility model discloses separately set up oil smoke particulate matter detecting element and the total hydrocarbon detecting element of non-methane and pass through the pipe connection, can accomplish very little with two detecting element's detection chamber volume, thereby it installs at quick-witted incasement with other parts that the detection chamber can be fine, moreover, the steam generator is compact in structure, and convenient for operation, the control stability is high, set up air cleaner simultaneously between two detecting element, further ensure to the total hydrocarbon detection precision of non-methane, set up cooperation oil smoke particulate matter detecting element's heating unit and heat preservation chamber simultaneously, prevent that oil smoke particulate matter from detecting the influence of time measuring aqueous vapor to its detection precision, further ensure oil smoke particulate matter detection precision.
Preferably, an inflator pump for charging fresh and pollution-free air is arranged beside the air pump, the inflator pump is fixed in the case through an inflator pump fixing frame, and the air pump is fixed in the case through the air pump fixing frame.
The utility model discloses an inflator pump is used for filling fresh pollution-free air, forms the gas film on laser emitter, light sense module, non-methane total hydrocarbon detection module surface, prevents the pollution of oil smoke gas to these parts; and simultaneously, the air pump and the inflator pump are ensured to be firmly and reliably installed.
Preferably, the lampblack particle detection unit comprises a lampblack particle detection cavity, a laser emitter arranged on one side of the lampblack particle detection cavity, an extinction device arranged on the other side of the lampblack particle detection cavity and a light sensing module arranged in the middle of the lampblack particle detection cavity, and the laser emitter, the light sensing module and the extinction device are positioned on the same straight line; the air inlet of the oil smoke particulate matter detection cavity, the light sensation module and the air outlet of the oil smoke particulate matter detection cavity are located on the same straight line, and the connecting line of the laser transmitter and the optical attenuator is mutually perpendicular to the connecting line of the air inlet of the oil smoke particulate matter detection cavity and the air outlet of the oil smoke particulate matter detection cavity.
This kind of structure makes the small in size in oil smoke particulate matter detection chamber among the oil smoke particulate matter detecting element, ensures its detection precision height to the oil smoke particulate matter simultaneously.
Preferably, the air inlet of the oil smoke particulate matter detection cavity is provided with a first lower built-in pipeline joint matched with the upper end of the sampling head connecting pipe, and the air outlet of the oil smoke particulate matter detection cavity is provided with a first upper built-in pipeline joint matched with the lower end of the filtering air inlet pipe.
The structure ensures the firmness of the connection between the air inlet and the air outlet of the oil smoke particle detection cavity and the pipeline, and ensures the stability and the reliability of air inlet and air outlet.
Preferably, the non-methane total hydrocarbon detection unit comprises a non-methane total hydrocarbon detection cavity and a non-methane total hydrocarbon detection module arranged in the middle of the non-methane total hydrocarbon detection cavity, and an air inlet of the non-methane total hydrocarbon detection cavity, an air outlet of the non-methane total hydrocarbon detection module and an air outlet of the non-methane total hydrocarbon detection cavity are positioned on the same straight line.
The structure enables the volume of the non-methane total hydrocarbon detection cavity in the non-methane total hydrocarbon detection unit to be small and exquisite, and meanwhile, the detection accuracy of the non-methane total hydrocarbon detection unit to the non-methane total hydrocarbon is high.
Preferably, a second lower built-in pipeline joint matched with the upper end of the filtering air outlet pipe is arranged at an air inlet of the non-methane total hydrocarbon detection cavity, and a second upper built-in pipeline joint matched with one end of the air exhaust pipe is arranged at an air outlet of the non-methane total hydrocarbon detection cavity.
The structure ensures the firmness of the connection between the gas inlet and the gas outlet of the non-methane total hydrocarbon detection cavity and the pipeline, and ensures the stability and the reliability of gas inlet and gas outlet.
Preferably, a lower external pipeline joint matched with the upper end of the filtering air inlet pipe is arranged on an air inlet of the air filter, an upper external pipeline joint matched with the lower end of the filtering air outlet pipe is arranged on an air outlet of the air filter, and an air exhaust pipe joint matched with the other end of the air exhaust pipe is arranged on an air inlet of the air exhaust pump.
The structure ensures the firmness of the connection between the air inlet and the air outlet of the air filter and the pipeline, ensures the stability and the reliability of air inlet and air outlet, and simultaneously ensures the air extraction stability and the reliability of the air extraction pump.
Preferably, a third lower built-in pipeline joint matched with the upper end of the lower connecting pipe is arranged at the air inlet of the heating unit, and a third upper built-in pipeline joint matched with the lower end of the upper connecting pipe is arranged at the air outlet of the heating unit.
The structure ensures the firmness of the connection between the air inlet and the air outlet of the heating unit and the pipeline, and ensures the stability and the reliability of air inlet and air outlet.
Preferably, the outer diameters of the lampblack particle detection cavity and the non-methane total hydrocarbon detection cavity are both 48mm, and the heights of the lampblack particle detection cavity and the non-methane total hydrocarbon detection cavity are both 38 mm.
The structure makes the volume of the device smaller and the occupied space for installation small.
A detection method of an oil smoke particulate matter detection device with a heating function comprises the following steps: under the control of the singlechip module, the air pump acts, oil smoke gas obtained by sampling from the oil smoke pipeline by the sampling head enters the oil smoke particle detection cavity from the sampling head connecting pipe, and the oil smoke concentration and the particle concentration are detected through the matching of the laser transmitter, the deluster and the light sensation module; after the detection of oil smoke particulate matters is finished, oil smoke enters an air filter to filter oil and particulate matters, filtered gas enters a non-methane total hydrocarbon detection cavity, the concentration of the non-methane total hydrocarbon is detected through a non-methane total hydrocarbon detection module, the detected gas is discharged through an air pump, and detected oil smoke particulate matter signals are stored in a single chip microcomputer module and displayed on a display interface in real time or transmitted to a remote computer through a transmission module; the oil smoke is heated by the heating unit before entering the oil smoke particle detection cavity, and is continuously supplied with oil smoke through the heat preservation cavity for heat preservation.
The utility model discloses separately set up oil smoke particulate matter detecting element and the total hydrocarbon detecting element of non-methane and pass through the pipe connection, can accomplish very little with two detecting element's detection chamber volume, thereby it installs at quick-witted incasement with other parts that the detection chamber can be fine, moreover, the steam generator is compact in structure, and convenient for operation, the control stability is high, set up air cleaner simultaneously between two detecting element, further ensure to the total hydrocarbon detection precision of non-methane, set up cooperation oil smoke particulate matter detecting element's heating unit and heat preservation chamber simultaneously, prevent that oil smoke particulate matter from detecting the influence of time measuring aqueous vapor to its detection precision, further ensure oil smoke particulate matter detection precision.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a control block diagram of the present invention;
in the figure, 1, a lampblack particle detection cavity, 2, a laser transmitter, 3, a deluster, 4, a light sensing module, 5, an air filter, 6, a non-methane total hydrocarbon detection cavity, 7, a non-methane total hydrocarbon detection module, 8, an air pump, 9, an upper connecting pipe, 10, an air pumping pipe, 11, a filtering air inlet pipe, 12, a filtering air outlet pipe, 13, a first lower built-in pipeline joint, 14, a first upper built-in pipeline joint, 15, a second lower built-in pipeline joint, 16, a second upper built-in pipeline joint, 17, a lower external pipeline joint, 18, an upper external pipeline joint, 19, an air pumping pipe joint, 20, 21, a third lower built-in pipeline joint, 22, a third upper built-in pipeline joint, 23, a lower connecting pipe, 24, a heating unit, 25, 26, an air pump fixing frame and 27, an air pump fixing frame are arranged.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in figures 1 and 2, a lampblack particle detection device with a heating function comprises a lampblack particle detection unit, a non-methane total hydrocarbon detection unit and an air pump 8, an air filter 5 connected between the lampblack particle detection unit and the non-methane total hydrocarbon detection unit, a single chip microcomputer module for storage and control, a transmission module for signal transmission, a power supply control module for power supply and a variable voltage module, wherein an air inlet of the lampblack particle detection unit is connected with a sampling head connecting pipe, an air outlet of the lampblack particle detection unit is connected with an air inlet of the air filter 5 through a filtering air inlet pipe 11, an air outlet of the air filter 5 is connected with an air inlet of the non-methane total hydrocarbon detection unit through a filtering air outlet pipe 12, an air outlet of the non-methane total hydrocarbon detection unit is connected with the air pump 8 through an air exhaust pipe 10, and the lampblack particle detection unit, the air filter 5 and the non-methane total hydrocarbon detection unit are positioned on the same straight line, sampling head connecting pipe divide into connecting pipe 9 and connecting pipe 23 down, and the air inlet of oil smoke particulate matter detecting element is connected to the upper end of going up connecting pipe 9, goes up and is connected with heating element 24 between the lower extreme of connecting pipe 9 and the upper end of connecting pipe 23 down, and oil smoke particulate matter detecting element and heating element 24's the outside are equipped with heat preservation chamber 25, are equipped with the temperature display and the control module of cooperation heating element 24 on the heat preservation chamber 25. An inflator pump 20 for charging fresh pollution-free air is arranged beside the air pump 8, the inflator pump 20 is fixed in the case through an inflator pump fixing frame 26, and the air pump 8 is fixed in the case through an air pump fixing frame 27. The oil smoke particulate matter detection unit comprises an oil smoke particulate matter detection cavity 1, a laser emitter 2 arranged on one side of the oil smoke particulate matter detection cavity 1, an extinction device 3 arranged on the other side of the oil smoke particulate matter detection cavity 1 and a light sensing module 4 arranged in the middle of the oil smoke particulate matter detection cavity 1, wherein the laser emitter 2, the light sensing module 4 and the extinction device 3 are positioned on the same straight line; the air inlet of the oil smoke particle detection cavity 1, the light sensation module 4 and the air outlet of the oil smoke particle detection cavity 1 are positioned on the same straight line, and the connecting line of the laser emitter 2 and the light extinction device 3 is mutually vertical to the connecting line of the air inlet of the oil smoke particle detection cavity 1 and the air outlet of the oil smoke particle detection cavity 1. The air inlet of oil smoke particulate matter detection chamber 1 is equipped with the first built-in pipe joint 13 that puts down of cooperation sampling head connecting pipe upper end, and the air outlet of oil smoke particulate matter detection chamber 1 is equipped with the first built-in pipe joint 14 that puts up of cooperation filtration intake pipe 11 lower extreme. The non-methane total hydrocarbon detection unit comprises a non-methane total hydrocarbon detection cavity 6 and a non-methane total hydrocarbon detection module 7 arranged in the middle of the non-methane total hydrocarbon detection cavity 6, wherein an air inlet of the non-methane total hydrocarbon detection cavity 6, the non-methane total hydrocarbon detection module 7 and an air outlet of the non-methane total hydrocarbon detection cavity 6 are positioned on the same straight line. A second lower built-in pipeline joint 15 matched with the upper end of the filtering air outlet pipe 12 is arranged at the air inlet of the non-methane total hydrocarbon detection cavity 6, and a second upper built-in pipeline joint 16 matched with one end of the air exhaust pipe 10 is arranged at the air outlet of the non-methane total hydrocarbon detection cavity 6. The air inlet of the air filter 5 is provided with a lower external pipeline joint 17 matched with the upper end of the filtering air inlet pipe 11, the air outlet of the air filter 5 is provided with an upper external pipeline joint 18 matched with the lower end of the filtering air outlet pipe 12, and the air inlet of the air pump 8 is provided with an external air pump pipe joint 19 matched with the other end of the air pumping pipe 10. A third lower built-in pipe joint 21 matched with the upper end of the lower connecting pipe 23 is arranged at the air inlet of the heating unit 24, and a third upper built-in pipe joint 22 matched with the lower end of the upper connecting pipe 9 is arranged at the air outlet of the heating unit 24. The outer diameters of the oil smoke particle detection cavity 1 and the non-methane total hydrocarbon detection cavity 6 are both 48mm, and the heights of the oil smoke particle detection cavity 1 and the non-methane total hydrocarbon detection cavity 6 are both 38 mm.
A detection method of an oil smoke particulate matter detection device with a heating function comprises the following steps: under the control of the singlechip module, the air pump acts, oil smoke gas obtained by sampling from the oil smoke pipeline by the sampling head enters the oil smoke particle detection cavity from the sampling head connecting pipe, and the oil smoke concentration and the particle concentration are detected through the matching of the laser transmitter, the deluster and the light sensation module; after the detection of oil smoke particulate matters is finished, oil smoke enters an air filter to filter oil and particulate matters, filtered gas enters a non-methane total hydrocarbon detection cavity, the concentration of the non-methane total hydrocarbon is detected through a non-methane total hydrocarbon detection module, the detected gas is discharged through an air pump, and detected oil smoke particulate matter signals are stored in a single chip microcomputer module and displayed on a display interface in real time or transmitted to a remote computer through a transmission module; the oil smoke is heated by the heating unit before entering the oil smoke particle detection cavity, and is continuously supplied with oil smoke through the heat preservation cavity for heat preservation.
The utility model discloses the detection principle that the oil smoke particulate matter detected is similar with current conventional detection principle, specifically detects the principle and does: the oil smoke gas enters a channel of the oil smoke particle detection cavity, red laser emitted by the laser emitter irradiates the oil smoke gas, reflected light passes through the cross channel and is transmitted to the light sensing module, and the light sensing module performs signal conversion (converting light signals into electric signals) and analysis to obtain the concentration of the oil smoke particles in the detected oil smoke gas; meanwhile, the red laser passing through the oil fume is absorbed and eliminated by the extinction device, so that the reflection of the red laser is prevented from influencing the detection precision.
The utility model discloses separately set up oil smoke particulate matter detecting element and the total hydrocarbon detecting element of non-methane and pass through the pipe connection, can accomplish very little with two detecting element's detection chamber volume, thereby it installs at quick-witted incasement with other parts that the detection chamber can be fine, moreover, the steam generator is compact in structure, and convenient for operation, the control stability is high, set up air cleaner simultaneously between two detecting element, further ensure to the total hydrocarbon detection precision of non-methane, set up cooperation oil smoke particulate matter detecting element's heating unit and heat preservation chamber simultaneously, prevent that oil smoke particulate matter from detecting the influence of time measuring aqueous vapor to its detection precision, further ensure oil smoke particulate matter detection precision.
Claims (9)
1. The utility model provides a take oil smoke particulate matter detection device of heating function which characterized in that: the device comprises an oil smoke particle detection unit, a non-methane total hydrocarbon detection unit and an air pump, an air filter connected between the oil smoke particle detection unit and the non-methane total hydrocarbon detection unit, a single chip microcomputer module for storage and control, a transmission module for signal transmission, a power supply control module for power supply and a variable voltage module, wherein an air inlet of the oil smoke particle detection unit is connected with a sampling head connecting pipe, an air outlet of the oil smoke particle detection unit is connected with an air inlet of the air filter through a filtering air inlet pipe, an air outlet of the air filter is connected with an air inlet of the non-methane total hydrocarbon detection unit through a filtering air pipe, an air outlet of the non-methane total hydrocarbon detection unit is connected with the air pump through an air pump pipe, the oil smoke particle detection unit, the air filter and the non-methane total hydrocarbon detection unit are positioned on the same straight line, and the sampling head connecting pipe is divided into an upper connecting pipe and a lower connecting pipe, the oil smoke particle detection device comprises an upper connecting pipe, an oil smoke particle detection unit, a heating unit, a heat preservation cavity and a temperature display and control module, wherein the upper end of the upper connecting pipe is connected with an air inlet of the oil smoke particle detection unit, the heating unit is connected between the lower end of the upper connecting pipe and the upper end of the lower connecting pipe, and the heat preservation cavity is provided with the heat preservation cavity.
2. The lampblack particle detection device with the heating function according to claim 1, characterized in that: an inflator pump for filling fresh pollution-free air is arranged beside the air pump, the inflator pump is fixed in the case through an inflator pump fixing frame, and the air pump is fixed in the case through the air pump fixing frame.
3. The lampblack particle detection device with the heating function according to claim 1, characterized in that: the oil smoke particle detection unit comprises an oil smoke particle detection cavity, a laser transmitter arranged on one side of the oil smoke particle detection cavity, a light extinction device arranged on the other side of the oil smoke particle detection cavity and a light sensation module arranged in the middle of the oil smoke particle detection cavity, wherein the laser transmitter, the light sensation module and the light extinction device are positioned on the same straight line; the air inlet of the oil smoke particulate matter detection cavity, the light sensation module and the air outlet of the oil smoke particulate matter detection cavity are located on the same straight line, and the connecting line of the laser transmitter and the optical attenuator is mutually perpendicular to the connecting line of the air inlet of the oil smoke particulate matter detection cavity and the air outlet of the oil smoke particulate matter detection cavity.
4. The oil smoke particulate matter detection device of area heating function of claim 3, its characterized in that: the air inlet of oil smoke particulate matter detection chamber department is equipped with the first built-in pipe joint under of cooperation sampling head connecting pipe upper end, and the air outlet department in oil smoke particulate matter detection chamber is equipped with the first built-in pipe joint on the cooperation filtration intake pipe lower extreme.
5. The oil smoke particulate matter detection device of area heating function of claim 3, its characterized in that: the non-methane total hydrocarbon detection unit comprises a non-methane total hydrocarbon detection cavity and a non-methane total hydrocarbon detection module arranged in the middle of the non-methane total hydrocarbon detection cavity, wherein an air inlet of the non-methane total hydrocarbon detection cavity, the non-methane total hydrocarbon detection module and an air outlet of the non-methane total hydrocarbon detection cavity are positioned on the same straight line.
6. The lampblack particle detection device with the heating function according to claim 5, characterized in that: the gas inlet of the non-methane total hydrocarbon detection cavity is provided with a second lower built-in pipeline joint matched with the upper end of the filtering gas outlet pipe, and the gas outlet of the non-methane total hydrocarbon detection cavity is provided with a second upper built-in pipeline joint matched with one end of the gas extraction pipe.
7. The lampblack particle detection device with the heating function according to claim 6, characterized in that: the air inlet of the air filter is provided with a lower external pipeline joint matched with the upper end of the filtering air inlet pipe, the air outlet of the air filter is provided with an upper external pipeline joint matched with the lower end of the filtering air outlet pipe, and the air inlet of the air pump is provided with an external air exhaust pipe joint matched with the other end of the air exhaust pipe.
8. The lampblack particle detection device with the heating function according to claim 1, characterized in that: the air inlet of the heating unit is provided with a third lower built-in pipeline joint matched with the upper end of the lower connecting pipe, and the air outlet of the heating unit is provided with a third upper built-in pipeline joint matched with the lower end of the upper connecting pipe.
9. The lampblack particle detection device with the heating function according to claim 5, characterized in that: the outer diameters of the oil smoke particle detection cavity and the non-methane total hydrocarbon detection cavity are both 48mm, and the heights of the oil smoke particle detection cavity and the non-methane total hydrocarbon detection cavity are both 38 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121227977.9U CN214749617U (en) | 2021-06-03 | 2021-06-03 | Oil smoke particulate matter detection device with heating function |
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| CN202121227977.9U CN214749617U (en) | 2021-06-03 | 2021-06-03 | Oil smoke particulate matter detection device with heating function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758842A (en) * | 2021-06-03 | 2021-12-07 | 杭州明瑞智能检测科技有限公司 | Oil smoke particulate matter detection device with heating function and detection method thereof |
| CN113758841A (en) * | 2021-06-03 | 2021-12-07 | 杭州明瑞智能检测科技有限公司 | Oil smoke particulate matter on-line detector and detection method thereof |
-
2021
- 2021-06-03 CN CN202121227977.9U patent/CN214749617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758842A (en) * | 2021-06-03 | 2021-12-07 | 杭州明瑞智能检测科技有限公司 | Oil smoke particulate matter detection device with heating function and detection method thereof |
| CN113758841A (en) * | 2021-06-03 | 2021-12-07 | 杭州明瑞智能检测科技有限公司 | Oil smoke particulate matter on-line detector and detection method thereof |
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