CN204855315U - Raise dust detection device - Google Patents
Raise dust detection device Download PDFInfo
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- CN204855315U CN204855315U CN201520613045.6U CN201520613045U CN204855315U CN 204855315 U CN204855315 U CN 204855315U CN 201520613045 U CN201520613045 U CN 201520613045U CN 204855315 U CN204855315 U CN 204855315U
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Abstract
The utility model discloses a raise dust detection device, on the difficult detection face attached to raise dust detecting system of raise dust granule, the long -time use can not influence the accuracy of raise dust detecting system to grey haze aerial detection yet. Including linker and microprocessor, still include through linker interconnected's a pipe, no. Two pipes and no. Three pipes, be equipped with grey haze air input unit on a pipe, be equipped with the clean air input unit of basis of reference on no. Two pipes, be connected with the clamping ring on the outer pipe wall of no. Three pipes, be equipped with the pipe of keeping a public place clean on the lower bottom surface of clamping ring, be equipped with the eudiometer on the wall of the outer lane of clamping ring, the chamber of keeping a public place clean in the outlet duct of the clean air input unit of keeping a public place clean in and the annular is linked together, the outlet duct and the annular outer chamber of keeping a public place clean of the clean air input unit of keeping a public place clean outward are linked together, ash haze air input unit, the clean air input unit of basis of reference keep a public place clean in, clean air input unit, keep a public place clean clean air input unit and a raise dust detector outward and be connected with the microprocessor electricity respectively.
Description
Technical field
The utility model relates to airborne dust detection technique field, is specifically related to a kind of airborne dust pick-up unit.
Background technology
Existing photoelectricity class airborne dust detecting device is when detecting; a part of airborne dust particle in gray haze air can be attached in the detection faces of airborne dust detecting device; form staubosphere; and service time the longer airborne dust particle adhered in the detection faces of airborne dust detecting device amounts of particles more, the staubosphere of formation is also thicker.
The optoelectronic transformation efficiency of staubosphere on light has impact.The airborne dust amounts of particles that detection faces is adhered to is more, staubosphere is thicker, transmittance is lower, the optoelectronic transformation efficiency of the lower light of transmittance is also lower, otherwise the airborne dust amounts of particles that detection faces is adhered to is fewer, and staubosphere is thinner, transmittance is higher, and the optoelectronic transformation efficiency of transmittance more high light line is also higher.
Existing airborne dust detecting device is when detecting gray haze air, during front one-time detection and rear one-time detection time the amounts of particles of airborne dust particle that adheres in the detection faces of airborne dust detecting device be different, that is, during front one-time detection and rear one-time detection time the thickness of staubosphere that adheres in the detection faces of airborne dust detecting device be different, therefore existing airborne dust detecting device is when detecting gray haze air, during front one-time detection and rear one-time detection time airborne dust detecting device the optoelectronic transformation efficiency of detection faces to light be different.Therefore, when being the same with the airborne dust rate contained in gray haze air during rear one-time detection when supposing front one-time detection, the optoelectronic transformation efficiency collected with this airborne dust detecting device is not identical yet, and this just makes the accuracy of existing airborne dust detecting device to gray haze air detection poor.So, if the time interval difference of the time of the front one-time detection of existing airborne dust detecting device and rear one-time detection is larger, poorer to the accuracy of gray haze air detection.Therefore, designing a kind of airborne dust particle is not easily attached in the detection faces of airborne dust pick-up unit, long-time use also can not affect the accuracy of airborne dust pick-up unit to gray haze air detection, and a kind of airborne dust pick-up unit high to gray haze air detection accuracy seems very necessary.
Utility model content
The utility model is the deficiency that the impact that there is the airborne dust grain amount that accuracy in detection is vulnerable to detection faces is adhered in order to solve existing airborne dust detecting device causes to gray haze air detection poor accuracy, a kind of airborne dust particle is provided not easily to be attached in the detection faces of airborne dust pick-up unit, long-time use also can not affect the accuracy of airborne dust pick-up unit to gray haze air detection, a kind of airborne dust pick-up unit high to the accuracy of gray haze air detection.
Above technical matters is solved by following technical proposal:
A kind of airborne dust pick-up unit, comprises linker and microprocessor, also comprises the pipe interconnected by the connected chamber of linker, No. two pipes and No. three pipes; And No. three pipes are connected to the lower end of linker straight down; A pipe is provided with gray haze air input unit, No. two pipes are provided with basis of reference clean air input unit, in No. three pipes, be provided with a baroceptor and a pneumatic sensor; Be close at the outer tube wall upper sleeve gasket of No. three pipes and be connected to clamping ring, and the bottom surface of clamping ring is higher than the mouth of pipe face, lower end of No. three pipes; The bottom surface of clamping ring has been sealedly and fixedly connected pipe of keeping a public place clean, the diameter of inner pipe of pipe of keeping a public place clean is greater than the outer tube diameter of No. three pipes, the outer tube diameter of pipe of keeping a public place clean is less than the race diameter of clamping ring, the keep a public place clean axis of pipe and the axis of No. three pipes is all dropped on straight line a, thus form in annular chamber of keeping a public place clean between the inner tubal wall and the outer tube wall of No. three pipes of pipe of keeping a public place clean, and then lower end, chamber of keeping a public place clean in annular forms in annular puff prot of keeping a public place clean; Puff prot of keeping a public place clean in annular is respectively equipped with No. two baroceptors and No. two pneumatic sensors; The eudiometer being connected to transparent material and making is close at the collar wall upper sleeve gasket of clamping ring, and make the axis of eudiometer drop on straight line a, thus between the outer tube wall and the inner tubal wall of eudiometer of pipe of keeping a public place clean, form the outer chamber of keeping a public place clean of annular, and then lower end, chamber of keeping a public place clean outside annular forms the outer puff prot of keeping a public place clean of annular; Puff prot of keeping a public place clean outside annular is respectively equipped with No. three baroceptors and No. three pneumatic sensors; The escape pipe of clean air input unit of keeping a public place clean in one is connected with chamber of keeping a public place clean in annular; The escape pipe of a clean air input unit of keeping a public place clean outward is connected with chamber of keeping a public place clean outside annular; The outer tube wall of the eudiometer below the lower end mouth of pipe of No. three pipes is provided with an airborne dust detecting device; Dust proof is stamped at the lower end mouth of pipe of eudiometer; Dust proof is stamped at the lower end mouth of pipe of eudiometer; The wind scooper of outside wind-guiding is connected with in the lower end of pipe of keeping a public place clean; Described gray haze air input unit, basis of reference clean air input unit, baroceptor, pneumatic sensor, No. two baroceptors, No. two pneumatic sensors, No. three baroceptors, No. three pneumatic sensors, in keep a public place clean clean air input unit, outward keep a public place clean clean air input unit and an airborne dust detecting device be electrically connected with microprocessor respectively.
The airborne dust particle of this programme is not easily attached in the detection faces of airborne dust pick-up unit, and long-time use also can not affect the accuracy of airborne dust pick-up unit to gray haze air detection, high to the accuracy of gray haze air detection.
Be applicable to a kind of airborne dust detection method of airborne dust pick-up unit, airborne dust detection method is as follows:
Step (7-1), keep a public place clean in being district in the tube chamber district being set in described annular the eudiometer immediately below puff prot of keeping a public place clean; Be set in the tube chamber district of the eudiometer immediately below puff prot of keeping a public place clean outside described annular for the district that keeps a public place clean outward; The tube chamber district of the eudiometer immediately below the lower end mouth of pipe being set in described No. three pipes is airborne dust detection zone, then have the diameter of airborne dust detection zone to equal the lumen diameter of No. three pipes;
Step (7-2), measures the basis of reference optoelectronic transformation efficiency P0 that condition next number airborne dust detecting device of only having basis of reference clean air to input in No. three pipes detects;
Step (7-2-1), under the condition only having basis of reference clean air to input in No. three pipes, then the basis of reference clean air post that basis of reference clean air is identical with all forming diameter in airborne dust detection zone in the tube chamber of No. three pipes;
If basis of reference clean air post there is a basis of reference detect light path f, and described basis of reference detection light path f and described straight line a intersects vertically, and it is also parallel with described straight line b that described basis of reference detects light path f;
When the basis of reference on basis of reference clean air post detect light path f arrive an airborne dust detecting device time, allow an airborne dust detecting device through eudiometer externally keep a public place clean clean air, in keep a public place clean and carry out basis of reference optoelectronic transformation efficiency P0 together with basis of reference clean air that clean air and basis of reference detect on light path f and detect;
Step (7-3), measures the gray haze optoelectronic transformation efficiency P1 that condition next number airborne dust detecting device of only having gray haze air to input in No. three pipes detects;
Step (7-3-1), under the condition only having gray haze air to input in No. three pipes, then the gray haze air column that gray haze air is identical with all forming diameter in airborne dust detection zone in the tube chamber of No. three pipes; And allow the flow velocity of gray haze air column equal the flow velocity of basis of reference clean air post, allow gray haze air column the intraluminal air pressure of No. three pipes equal basis of reference clean air post in the tube chamber of No. three pipes time air pressure, allow to keep a public place clean in the air-flow velocity of the outer clean air of keeping a public place clean in the outer district that keeps a public place clean and the Nei Jie district air-flow velocity of clean air all remain unchanged, allow to keep a public place clean in the air pressure in the outer chamber of keeping a public place clean of annular and the annular air pressure in chamber all remain unchanged;
If gray haze air column there is a gray haze detect light path g, and described gray haze detection light path g and described straight line a intersects vertically, and it is also parallel with described straight line b that described gray haze detects light path g;
When the gray haze on gray haze air column detect light path g arrive an airborne dust detecting device time, allow an airborne dust detecting device through eudiometer externally keep a public place clean clean air, in keep a public place clean and carry out a gray haze optoelectronic transformation efficiency P1 together with gray haze air that clean air and gray haze detect on light path g and detect;
Step (7-4), calculates the loss optoelectronic transformation efficiency Q1 that in gray haze air, airborne dust content causes;
Step (7-4-1), a loss optoelectronic transformation efficiency Q1 equals basis of reference optoelectronic transformation efficiency P0 and deducts a gray haze optoelectronic transformation efficiency P1, i.e. Q1=P0-P1;
Step (7-5), can calculate the airborne dust content in gray haze air by a loss optoelectronic transformation efficiency Q1.
As preferably, gray haze air input unit comprises the gray haze solenoid valve and gray haze air pump that are electrically connected with microprocessor respectively; Described basis of reference clean air input unit comprises with reference to air cleaning filter, with reference to solenoid valve with reference to air pump, is electrically connected respectively with reference to solenoid valve with reference to air pump with microprocessor; Clean air input unit of inside keeping a public place clean comprises an interior keeping be connected with chamber of keeping a public place clean in annular and is separately positioned on the interior guarantor's solenoid valve in interior keeping, interior guarantor's air pump and Nei Bao air cleaning filter, and interior guarantor's solenoid valve and Nei Bao air pump are electrically connected with microprocessor respectively; Clean air input unit of keeping a public place clean outward comprises an outer keeping be connected with chamber of keeping a public place clean outside annular and is separately positioned on the outer guarantor's solenoid valve in outer keeping, outer guarantor's air pump and outer guarantor's air cleaning filter, and outer guarantor's solenoid valve and outer guarantor's air pump are electrically connected with microprocessor respectively; A described airborne dust detecting device comprises the luminotron and an optoelectronic induction receiver that are electrically connected with microprocessor respectively, a luminotron and an optoelectronic induction receiver face mutually and are arranged on the outer tube wall of eudiometer, and the straight line b that is connected with the central point of a luminotron light-emitting area of the central point of an optoelectronic induction receiver receiving plane and described straight line a intersects vertically.This structural arrangement makes the accuracy of gray haze air detection higher, good by property, and structure is simple, is easy to make.
As preferably, the inner tubal wall of No. three pipes and the inner tubal wall of eudiometer are vertical tube wall, and the outer tube wall being positioned at No. three pipes below clamping ring is also vertical tube wall.This structure makes the air column vertical bury pipe in airborne dust detection zone better, also the clean air cylinder vertical bury pipe that makes to keep a public place clean in outer keep a public place clean clean air cylinder and the interior district that keeps a public place clean in the outer district that keeps a public place clean is all better, thus make light path testing result more accurately and reliably, precision is higher.Basis of reference clean air post in this programme, gray haze air column, in keep a public place clean clean air cylinder and clean air cylinder of keeping a public place clean outward be all move straight down from upper, and the shape that remains unchanged in the process of movement straight down, thus make measure precision and reliability high.
The utility model can reach following effect:
A kind of airborne dust pick-up unit of the present utility model is not easily attached at airborne dust particle in a kind of detection faces of airborne dust pick-up unit, long-time use also can not affect a kind of airborne dust pick-up unit to the accuracy of gray haze air detection, high to the accuracy of gray haze air detection, good reliability, structure is simple, is easy to make, and cost is low, practicality is good, uses simple.
Accompanying drawing explanation
Fig. 1 is a kind of cross section syndeton schematic diagram of the utility model embodiment.
Fig. 2 be the utility model embodiment in No. three pipes, only have basis of reference clean air to input condition under time a kind of using state syndeton schematic diagram.
Fig. 3 be the utility model embodiment in No. three pipes, only have gray haze air to input condition under time a kind of using state syndeton schematic diagram.
Fig. 4 is a kind of cross section syndeton schematic diagram at 4 places in FIG.
Fig. 5 is a kind of cross section syndeton schematic diagram at 2 places in FIG.
Fig. 6 is a kind of cross section syndeton schematic diagram at 1 place in FIG.
Fig. 7 be basis of reference clean air post in the utility model embodiment, in keep a public place clean clean air cylinder and clean air cylinder of keeping a public place clean outward be all a kind of detection architecture schematic diagram from upper movement straight down.
Fig. 8 be gray haze air column in the utility model embodiment, in keep a public place clean clean air cylinder and clean air cylinder of keeping a public place clean outward be all a kind of detection architecture schematic diagram from upper movement straight down.
Fig. 9 is a kind of circuit theory syndeton schematic block diagram of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Embodiment: a kind of airborne dust pick-up unit, shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, comprise linker 16 and microprocessor 37, also comprise a pipe 19, No. two pipes 12 and No. three pipes 11 of being interconnected by the connected chamber of linker; And No. three pipes are connected to the lower end of linker straight down; A pipe is provided with gray haze air input unit 42, No. two pipes are provided with basis of reference clean air input unit 43, in No. three pipes, be provided with a baroceptor 20 and a pneumatic sensor 21; Be close at the outer tube wall upper sleeve gasket of No. three pipes and be connected to clamping ring 22, and the bottom surface of clamping ring is higher than the mouth of pipe face, lower end of No. three pipes; The bottom surface of clamping ring has been sealedly and fixedly connected pipe 25 of keeping a public place clean, the diameter of inner pipe of pipe of keeping a public place clean is greater than the outer tube diameter of No. three pipes, the outer tube diameter of pipe of keeping a public place clean is less than the race diameter of clamping ring, the keep a public place clean axis of pipe and the axis of No. three pipes is all dropped on straight line a, thus form in annular chamber 23 of keeping a public place clean between the inner tubal wall and the outer tube wall of No. three pipes of pipe of keeping a public place clean, and then lower end, chamber of keeping a public place clean in annular forms in annular puff prot of keeping a public place clean; Puff prot of keeping a public place clean in annular is respectively equipped with No. two baroceptors 38 and No. two pneumatic sensors 39; The eudiometer 31 being connected to transparent material and making is close at the collar wall upper sleeve gasket of clamping ring, and make the axis of eudiometer drop on straight line a, thus between the outer tube wall and the inner tubal wall of eudiometer of pipe of keeping a public place clean, form the outer chamber 24 of keeping a public place clean of annular, and then lower end, chamber of keeping a public place clean outside annular forms the outer puff prot of keeping a public place clean of annular; Puff prot of keeping a public place clean outside annular is respectively equipped with No. three baroceptors 40 and No. three pneumatic sensors 41; The escape pipe of clean air input unit 44 of keeping a public place clean in one is connected with chamber of keeping a public place clean in annular; The escape pipe of a clean air input unit 45 of keeping a public place clean outward is connected with chamber of keeping a public place clean outside annular; The outer tube wall of the eudiometer below the lower end mouth of pipe of No. three pipes is provided with an airborne dust detecting device 46; Dust proof 32 is stamped at the lower end mouth of pipe of eudiometer; Described gray haze air input unit, basis of reference clean air input unit, baroceptor, pneumatic sensor, No. two baroceptors, No. two pneumatic sensors, No. three baroceptors, No. three pneumatic sensors, in keep a public place clean clean air input unit, outward keep a public place clean clean air input unit and an airborne dust detecting device be electrically connected with microprocessor respectively.
Gray haze air input unit comprises the gray haze solenoid valve 17 and gray haze air pump 18 that are electrically connected with microprocessor respectively; Described basis of reference clean air input unit comprises with reference to air cleaning filter 13, with reference to solenoid valve 14 with reference to air pump 15, is electrically connected respectively with reference to solenoid valve with reference to air pump with microprocessor; Clean air input unit of inside keeping a public place clean comprises an interior keeping be connected with chamber of keeping a public place clean in annular 7 and is separately positioned on the interior guarantor's solenoid valve 8 in interior keeping, interior guarantor's air pump 9 and Nei Bao air cleaning filter 10, and interior guarantor's solenoid valve and Nei Bao air pump are electrically connected with microprocessor respectively; Clean air input unit of keeping a public place clean outward comprises an outer keeping be connected with chamber of keeping a public place clean outside annular 30 and is separately positioned on the outer guarantor's solenoid valve 27 in outer keeping, outer guarantor's air pump 28 and outer guarantor's air cleaning filter 29, and outer guarantor's solenoid valve and outer guarantor's air pump are electrically connected with microprocessor respectively; A described airborne dust detecting device comprises the luminotron 441 and an optoelectronic induction receiver 443 that are electrically connected with microprocessor respectively, a luminotron and an optoelectronic induction receiver face mutually and are arranged on the outer tube wall of eudiometer, and the straight line b that is connected with the central point of a luminotron light-emitting area of the central point of an optoelectronic induction receiver receiving plane and described straight line a intersects vertically.
The outer tube wall of the eudiometer below an airborne dust detecting device is also provided with No. two airborne dust detecting devices 47; Described No. two airborne dust detecting devices comprise No. two luminotrons 221 and No. two optoelectronic induction receivers 223 that are electrically connected with microprocessor respectively, No. two luminotrons and No. two optoelectronic induction receivers face mutually and are arranged on the outer tube wall of eudiometer, and the straight line c that the central point of No. two optoelectronic induction receiver receiving planes is connected with the central point of No. two luminotron light-emitting areas and described straight line a intersects vertically, and described straight line c and described straight line b is parallel to each other; The outer tube wall of the eudiometer below No. two airborne dust detecting devices is also provided with No. three airborne dust detecting devices 48; Described No. three airborne dust detecting devices comprise No. three luminotrons 111 and No. three optoelectronic induction receivers 113 that are electrically connected with microprocessor respectively, No. three luminotrons and No. three optoelectronic induction receivers face mutually and are arranged on the outer tube wall of eudiometer, and the straight line d that is connected with the central point of No. three luminotron light-emitting areas of the central point of No. three optoelectronic induction receiver receiving planes and described straight line a intersects vertically; Described straight line d and described straight line b is parallel to each other, and the distance of straight line c to straight line d equals the distance of straight line c to straight line b; A described luminotron, described No. two luminotrons and described No. three luminotrons are arranged on the ipsilateral of eudiometer.
The outer tube wall of the eudiometer below the lower end mouth of pipe of No. three pipes is also provided with No. four airborne dust detecting devices 49; Described No. four airborne dust detecting devices comprise No. four luminotrons 444 and No. four optoelectronic induction receivers 442 that are electrically connected with microprocessor respectively, No. four luminotrons and No. four optoelectronic induction receivers face mutually and are arranged on the outer tube wall of eudiometer, and the straight line e that the central point of No. four optoelectronic induction receiver receiving planes is connected with the central point of No. four luminotron light-emitting areas and described straight line a be vertically intersected on a little 01, described straight line e and described straight line b be vertically intersected on a little 01.
The outer tube wall of the eudiometer below the lower end mouth of pipe of No. three pipes is also provided with No. five airborne dust detecting devices 50; Described No. five airborne dust detecting devices comprise No. five luminotrons 224 and No. five optoelectronic induction receivers 222 that are electrically connected with microprocessor respectively, No. five luminotrons and No. five optoelectronic induction receivers face mutually and are arranged on the outer tube wall of eudiometer, and the straight line h that the central point of No. five optoelectronic induction receiver receiving planes is connected with the central point of No. five luminotron light-emitting areas and described straight line a be vertically intersected on a little 02, described straight line h and described straight line c be vertically intersected on a little 02; The outer tube wall of the eudiometer below the lower end mouth of pipe of No. three pipes is also provided with No. six airborne dust detecting devices 51; Described No. six airborne dust detecting devices comprise No. six luminotrons 114 and No. six optoelectronic induction receivers 112 that are electrically connected with microprocessor respectively, No. six luminotrons and No. six optoelectronic induction receivers face mutually and are arranged on the outer tube wall of eudiometer, and the straight line i that the central point of No. six optoelectronic induction receiver receiving planes is connected with the central point of No. six luminotron light-emitting areas and described straight line a is vertically intersected on a little 03, described straight line i and described straight line d is vertically intersected on a little 03, and namely the angle of straight line i and straight line d is 90 degree.
The inner tubal wall of No. three pipes and the inner tubal wall of eudiometer are vertical tube wall, and the outer tube wall being positioned at No. three pipes below clamping ring is also vertical tube wall.
The wind scooper 26 of outside wind-guiding is connected with in the lower end of pipe of keeping a public place clean.
Be applicable to a kind of airborne dust detection method of airborne dust pick-up unit, airborne dust detection method is as follows:
Step (7-1), keep a public place clean in being district 5 in the tube chamber district being set in described annular the eudiometer immediately below puff prot of keeping a public place clean, thus in clean air of keeping a public place clean to keep a public place clean in the formation in the interior district that keeps a public place clean clean air cylinder; Be set in the tube chamber district of the eudiometer immediately below puff prot of keeping a public place clean outside described annular for the district 6 that keeps a public place clean outward, thus clean air of keeping a public place clean outward is kept a public place clean outside district formation outside to keep a public place clean clean air cylinder; The tube chamber district of the eudiometer immediately below the lower end mouth of pipe being set in described No. three pipes is airborne dust detection zone 3, then have the diameter of airborne dust detection zone to equal the lumen diameter of No. three pipes;
Step (7-2), measures the basis of reference optoelectronic transformation efficiency P0 that condition next number airborne dust detecting device of only having basis of reference clean air to input in No. three pipes detects;
Step (7-2-1), under the condition only having basis of reference clean air 35 to input in No. three pipes, then the basis of reference clean air post that basis of reference clean air is identical with all forming diameter in airborne dust detection zone in the tube chamber of No. three pipes;
If basis of reference clean air post there is a basis of reference detect light path f, and described basis of reference detection light path f and described straight line a intersects vertically, and it is also parallel with described straight line b that described basis of reference detects light path f;
When the basis of reference on basis of reference clean air post detect light path f arrive an airborne dust detecting device time, allow an airborne dust detecting device through eudiometer externally keep a public place clean clean air 33, in keep a public place clean and carry out basis of reference optoelectronic transformation efficiency P0 together with basis of reference clean air 35 that clean air 34 and basis of reference detect on light path f and detect;
Step (7-3), measures the gray haze optoelectronic transformation efficiency P1 that condition next number airborne dust detecting device of only having gray haze air to input in No. three pipes detects;
Step (7-3-1), under the condition only having gray haze air 36 to input in No. three pipes, then the gray haze air column that gray haze air is identical with all forming diameter in airborne dust detection zone in the tube chamber of No. three pipes; And allow the flow velocity of gray haze air column equal the flow velocity of basis of reference clean air post, allow gray haze air column the intraluminal air pressure of No. three pipes equal basis of reference clean air post in the tube chamber of No. three pipes time air pressure, allow to keep a public place clean in the air-flow velocity of the outer clean air of keeping a public place clean in the outer district that keeps a public place clean and the Nei Jie district air-flow velocity of clean air all remain unchanged, allow to keep a public place clean in the air pressure in the outer chamber of keeping a public place clean of annular and the annular air pressure in chamber all remain unchanged;
If gray haze air column there is a gray haze detect light path g, and described gray haze detection light path g and described straight line a intersects vertically, and it is also parallel with described straight line b that described gray haze detects light path g;
When the gray haze on gray haze air column detect light path g arrive an airborne dust detecting device time, allow an airborne dust detecting device through eudiometer externally keep a public place clean clean air, in keep a public place clean and carry out a gray haze optoelectronic transformation efficiency P1 together with gray haze air that clean air and gray haze detect on light path g and detect;
Step (7-4), calculates the loss optoelectronic transformation efficiency Q1 that in gray haze air, airborne dust content causes;
Step (7-4-1), a loss optoelectronic transformation efficiency Q1 equals basis of reference optoelectronic transformation efficiency P0 and deducts a gray haze optoelectronic transformation efficiency P1, i.e. Q1=P0-P1;
Step (7-5), can calculate the airborne dust content in gray haze air by a loss optoelectronic transformation efficiency Q1.
This example multilayered structure is arranged, make the same basis of reference that can have almost no change to air constituent in different time points detect light path f and carry out repeated detection, more can represent that basis of reference detects the actual value of light path f optoelectronic transformation efficiency to the mean value that same basis of reference detection light path f carries out the result of repeatedly optoelectronic transformation efficiency inspection.In like manner, more can represent that gray haze detects the actual value of light path g optoelectronic transformation efficiency to the mean value carrying out the result of repeatedly optoelectronic transformation efficiency inspection to same gray haze detection light path g.Thus make the accuracy of gray haze air detection higher.
This example in use, needs to open dust proof while the outer clean air of keeping a public place clean of input, and keep a public place clean in the airborne dust particle that can ensure in gray haze air so as much as possible can not enter into district, thus the clean degree of district's detection faces of keeping a public place clean in ensureing.
This example is when detecting, basis of reference clean air post, gray haze air column, in keep a public place clean clean air cylinder and clean air cylinder of keeping a public place clean outward be all move straight down from upper, and the shape that remains unchanged in the process of movement straight down, thus make measure precision and reliability high.
This example is when a luminotron is luminous, an optoelectronic induction receiver can receive the optoelectronic transformation efficiency signal of the direct projection light irradiation that a luminotron sends, and No. four optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the scattered beam irradiation that a luminotron sends.In like manner, when No. four luminotrons are luminous, No. four optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the direct projection light irradiation that No. four luminotrons send, and an optoelectronic induction receiver can receive the optoelectronic transformation efficiency signal of the scattered beam irradiation that No. four luminotrons send.In like manner, when No. two luminotrons are luminous, No. two optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the direct projection light irradiation that No. two luminotrons send, and No. five optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the scattered beam irradiation that No. two luminotrons send.In like manner, when No. five luminotrons are luminous, No. five optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the direct projection light irradiation that No. five luminotrons send, and No. two optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the scattered beam irradiation that No. five luminotrons send.In like manner, when No. three luminotrons are luminous, No. three optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the direct projection light irradiation that No. three luminotrons send, and No. six optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the scattered beam irradiation that No. three luminotrons send.In like manner, when No. six luminotrons are luminous, No. six optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the direct projection light irradiation that No. six luminotrons send, and No. three optoelectronic induction receivers can receive the optoelectronic transformation efficiency signal of the scattered beam irradiation that No. six luminotrons send.Light path j can be detected to cross-shaped basis of reference detection light path f and basis of reference like this in same plane to detect, in same plane, also can detect optical path k to cross-shaped gray haze detection light path g and gray haze to detect simultaneously, make testing result more accurately and reliably.Carry out repeated detection to cross-shaped two-way light path, make testing result more accurately and reliably, precision is higher.
The luminous interval time of two luminotrons of cross-shaped layout can be arranged arbitrarily, such as luminotron allows No. four luminotron luminescences again after luminous 2 seconds, cycle is within 2 seconds, fully to ensure that image data has the sufficient time, avoid the undesired signal produced when light pulse suddenlys change to seal in measuring-signal, thus ensure testing result more accurately and reliably.
The airborne dust particle of this example is not easily attached in the detection faces of airborne dust pick-up unit, and long-time use also can not affect the accuracy of airborne dust pick-up unit to gray haze air detection, high to the accuracy of gray haze air detection.
This example utilize when detecting two-layer totally in keep a public place clean the gray haze air that clean air cylinder and clean air cylinder of keeping a public place clean outward will detect to surround us, do like this and just ensure that the airborne dust particle that detection faces does not have in gray haze air sticks in detection faces, improve the accuracy of detection.
Describe embodiment of the present utility model by reference to the accompanying drawings above, but do not limit by above-described embodiment when realizing, those of ordinary skill in the art can make a variety of changes within the scope of the appended claims or revise.
Claims (3)
1. an airborne dust pick-up unit, is characterized in that, comprises linker and microprocessor, also comprises the pipe interconnected by the connected chamber of linker, No. two pipes and No. three pipes; And No. three pipes are connected to the lower end of linker straight down; A pipe is provided with gray haze air input unit, No. two pipes are provided with basis of reference clean air input unit, in No. three pipes, be provided with a baroceptor and a pneumatic sensor; Be close at the outer tube wall upper sleeve gasket of No. three pipes and be connected to clamping ring, and the bottom surface of clamping ring is higher than the mouth of pipe face, lower end of No. three pipes; The bottom surface of clamping ring has been sealedly and fixedly connected pipe of keeping a public place clean, the keep a public place clean axis of pipe and the axis of No. three pipes is all dropped on straight line a, thus form in annular chamber of keeping a public place clean between the inner tubal wall and the outer tube wall of No. three pipes of pipe of keeping a public place clean, and then lower end, chamber of keeping a public place clean in annular forms in annular puff prot of keeping a public place clean; Puff prot of keeping a public place clean in annular is respectively equipped with No. two baroceptors and No. two pneumatic sensors; The eudiometer being connected to transparent material and making is close at the collar wall upper sleeve gasket of clamping ring, and make the axis of eudiometer drop on straight line a, thus between the outer tube wall and the inner tubal wall of eudiometer of pipe of keeping a public place clean, form the outer chamber of keeping a public place clean of annular, and then lower end, chamber of keeping a public place clean outside annular forms the outer puff prot of keeping a public place clean of annular; Puff prot of keeping a public place clean outside annular is respectively equipped with No. three baroceptors and No. three pneumatic sensors; The escape pipe of clean air input unit of keeping a public place clean in one is connected with chamber of keeping a public place clean in annular; The escape pipe of a clean air input unit of keeping a public place clean outward is connected with chamber of keeping a public place clean outside annular; The outer tube wall of the eudiometer below the lower end mouth of pipe of No. three pipes is provided with an airborne dust detecting device; Dust proof is stamped at the lower end mouth of pipe of eudiometer; The wind scooper of outside wind-guiding is connected with in the lower end of pipe of keeping a public place clean; Described gray haze air input unit, basis of reference clean air input unit, baroceptor, pneumatic sensor, No. two baroceptors, No. two pneumatic sensors, No. three baroceptors, No. three pneumatic sensors, in keep a public place clean clean air input unit, outward keep a public place clean clean air input unit and an airborne dust detecting device be electrically connected with microprocessor respectively.
2. a kind of airborne dust pick-up unit according to claim 1, is characterized in that, gray haze air input unit comprises the gray haze solenoid valve and gray haze air pump that are electrically connected with microprocessor respectively; Described basis of reference clean air input unit comprises with reference to air cleaning filter, with reference to solenoid valve with reference to air pump, is electrically connected respectively with reference to solenoid valve with reference to air pump with microprocessor; Clean air input unit of inside keeping a public place clean comprises an interior keeping be connected with chamber of keeping a public place clean in annular and is separately positioned on the interior guarantor's solenoid valve in interior keeping, interior guarantor's air pump and Nei Bao air cleaning filter, and interior guarantor's solenoid valve and Nei Bao air pump are electrically connected with microprocessor respectively; Clean air input unit of keeping a public place clean outward comprises an outer keeping be connected with chamber of keeping a public place clean outside annular and is separately positioned on the outer guarantor's solenoid valve in outer keeping, outer guarantor's air pump and outer guarantor's air cleaning filter, and outer guarantor's solenoid valve and outer guarantor's air pump are electrically connected with microprocessor respectively; A described airborne dust detecting device comprises the luminotron and an optoelectronic induction receiver that are electrically connected with microprocessor respectively, a luminotron and an optoelectronic induction receiver face mutually and are arranged on the outer tube wall of eudiometer, and the straight line b that is connected with the central point of a luminotron light-emitting area of the central point of an optoelectronic induction receiver receiving plane and described straight line a intersects vertically.
3. a kind of airborne dust pick-up unit according to claim 1, is characterized in that, the inner tubal wall of No. three pipes and the inner tubal wall of eudiometer are vertical tube wall, and the outer tube wall being positioned at No. three pipes below clamping ring is also vertical tube wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520613045.6U CN204855315U (en) | 2015-08-14 | 2015-08-14 | Raise dust detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520613045.6U CN204855315U (en) | 2015-08-14 | 2015-08-14 | Raise dust detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204855315U true CN204855315U (en) | 2015-12-09 |
Family
ID=54745854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520613045.6U Expired - Fee Related CN204855315U (en) | 2015-08-14 | 2015-08-14 | Raise dust detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204855315U (en) |
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2015
- 2015-08-14 CN CN201520613045.6U patent/CN204855315U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |