CN101949812B - Direct reading dust gauge for mining - Google Patents
Direct reading dust gauge for mining Download PDFInfo
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- CN101949812B CN101949812B CN 201010284884 CN201010284884A CN101949812B CN 101949812 B CN101949812 B CN 101949812B CN 201010284884 CN201010284884 CN 201010284884 CN 201010284884 A CN201010284884 A CN 201010284884A CN 101949812 B CN101949812 B CN 101949812B
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Abstract
The invention discloses a direct reading dust gauge, which comprises a housing, and the inside of the housing is provided with a sampling device, a turbulence gauge and an electronic air pump which are connected in a sealed manner in sequence. The direct reading dust gauge also comprises a mass detecting device, a mainboard and a battery pack which are arranged inside the housing. When the direct reading dust gauge is used, the mass of blank filter membranes in a filter membrane nipper is measured by the mass detecting device, and then the filter membrane nipper is inserted into a sampling head; during sampling, the air containing dust flows through the sampling head, the sampling device, the turbulence gauge and the electronic air pump in sequence under the action of the negative pressure caused by the electronic air pump, and then is discharged from an outlet of the electronic air pump; the filter membrane on the filter membrane nipper gathers dust in the air containing dust, and the flow of the gas flowing through the turbulence gauge is calculated by the turbulence gauge; after sampling, the mass of the filter membrane after the dust is eliminated can be measured by inserting the filter membrane nipper into the mass detecting device; and finally, the data is processed by a CPU of the mainboard, and the concentration of the dust can be calculated. Thus, the concentration of dust can be measured accurately in time, and the direct reading dust gauge has the advantages of simple operation and higher efficiency.
Description
Technical field
The present invention relates to a kind of dust gauge, relate in particular to a kind of mining direct-reading dust gauge.
Background technology
What present known dust measurement was used is made up of dust sampler, electronic aspiration pump etc., wherein is placed with filter membrane clip in the sampling head of dust sampler, accompanies filter membrane on the filter membrane clip.When under mine, carrying out sampling work; Electronic aspiration pump work produces negative pressure with dust laden air suction dust sampler; Form certain air motion, mobile dust is captured by filter membrane, takes off filter membrane that filter membrane clip will have dust then and takes on the mine and weigh with scale; Last according to the dust quality on the filter membrane and the sampling volume of dust sampler, both are divided by calculates the concentration value of dust.Yet result and complicated operation, efficient that this dust sampler can not be measured gained in time are lower.
Summary of the invention
The object of the present invention is to provide and a kind ofly can in time measure dust concentration, simple to operate, dust gauge that efficient is high.
For achieving the above object; The invention provides a kind of direct-reading dust gauge, comprise housing, be provided with the sampling apparatus, ededy current gauge measuring device and the electronic aspiration pump that are tightly connected successively in the said housing; Also comprise the quality detection device, mainboard, the electric battery that are arranged in the said housing; Be installed in display unit and push-button unit on the front panel of said housing, and be contained in the charging inlet on the rear panel of said housing, said sampling apparatus is installed on the left side wall of said housing; Its sampling head stretches out said left side wall; Said quality detection device is installed on the right side wall of said housing and is inserted with filter membrane clip on it, and said electronic aspiration pump and said electric battery are installed in said housing bottom from right to left successively, and said mainboard comprises the quality detection device interface circuit that is connected with said quality detection device; The ededy current gauge measuring device interface circuit that is connected with said ededy current gauge measuring device; The second source circuit that is connected with the motor of said charging inlet, said electronic aspiration pump respectively, first power circuit that is connected with said electric battery, the display interface circuit that is connected with said display unit; And the CPU that is connected with said push-button unit, said quality detection device interface circuit, said ededy current gauge measuring device interface circuit, said display interface circuit, said second source circuit respectively, wherein:
Said ededy current gauge measuring device is used to obtain in the sampling time gas flow that flows through in it;
Said quality detection device is used to obtain the dust quality of the dust that the filter membrane on the said filter membrane clip traps in the sampling time;
Said CPU; Be used to receive the sampling parameter that said push-button unit is provided with; Said sampling parameter comprises the sampling time at least; To the motor of said electronic aspiration pump output PWM gating pulse, read the dust quality that gas flow that said ededy current gauge measuring device obtains and said quality detection device obtain through said ededy current gauge measuring device interface circuit and said quality detection device interface circuit respectively, go out dust concentration according to said gas flow and said dust Mass Calculation; Through said display interface circuit said dust concentration is exported on the said display unit and to show, and store said dust concentration;
Said first power circuit; Be connected with said push-button unit, said second source circuit, said quality detection device interface circuit, said ededy current gauge measuring device interface circuit, said display interface circuit, said CPU respectively; When said second source circuit is connected with external power supply through said charging inlet; Said first power circuit will charge into said electric battery from the electric weight of said external power supply through said second source circuit; When the direct-reading dust gauge was worked, said first power circuit was supplied with the electric energy of said electric battery to said display unit, said push-button unit, said quality detection device, said ededy current gauge measuring device, said display unit and said CPU.
Direct-reading dust gauge of the present invention; Be positioned on the right side wall of said housing of said quality detection device below printing interface is installed; Said mainboard also comprises the print interface circuit that is connected with said CPU; When needs were printed the dust concentration that said CPU calculates, said CPU exported said dust concentration on the PRN device that is connected with said printing interface to through said print interface circuit.
Direct-reading dust gauge of the present invention connects through connecting pipe between said sampling apparatus and the said ededy current gauge measuring device, is connected with silicone rubber tube through swan neck successively between said ededy current gauge measuring device and the said electronic aspiration pump.
Direct-reading dust gauge of the present invention; Said ededy current gauge measuring device is that model is the ededy current gauge measuring device of AMW5140V; Said quality detection device is that model is a GJ6401 α β γ end window halogen G-M counter tube, and said electronic aspiration pump is that model is the electronic aspiration pump of 28YSK-6V.
Direct-reading dust gauge of the present invention, said CPU are that model is single-chip microcomputer and the peripheral circuit thereof of AT89C52.
The invention discloses a kind of direct-reading dust gauge and comprise housing, be provided with the sampling apparatus, ededy current gauge measuring device and the electronic aspiration pump that are tightly connected successively in the housing, also comprise the quality detection device, mainboard, the electric battery that are arranged in the housing.During use; Earlier measure the blank filter membrane quality in the filter membrane clip with quality detection device, filter membrane clip is inserted in the sampling head again, the negative pressure that electronic aspiration pump causes during sampling flows through sampling head, sampling apparatus, ededy current gauge measuring device, electronic aspiration pump successively with dust laden air; Discharge from the gas outlet of electronic aspiration pump at last; Filter membrane on the filter membrane clip then captures the dust in the dust laden air, and the ededy current gauge measuring device calculates the gas flow that flows through in it, after sampling finishes, filter membrane clip is inserted quality detection device; Filter membrane quality behind the measurement carry over, the CPU by mainboard handles and calculates dust concentration to these data at last.Thereby, promptly and accurately measure dust concentration, and simple to operate, efficient is higher.
Description of drawings
Fig. 1 looks cut-open view for the master of direct-reading dust gauge of the present invention;
Fig. 2 looks cut-open view for the left side of direct-reading dust gauge among Fig. 1;
Fig. 3 is the front view of direct-reading dust gauge among Fig. 1;
Fig. 4 is the circuit theory diagrams of the quality detection device interface circuit of direct-reading dust gauge among Fig. 1;
Fig. 5 is the circuit theory diagrams of first power circuit of direct-reading dust gauge among Fig. 1;
Fig. 6 is the circuit theory diagrams of the second source circuit of direct-reading dust gauge among Fig. 1;
Fig. 7 is the circuit theory diagrams of the ededy current gauge measuring device interface circuit of direct-reading dust gauge among Fig. 1;
Fig. 8 is the circuit theory diagrams of the display interface circuit of direct-reading dust gauge among Fig. 1;
Fig. 9 is the circuit theory diagrams of the print interface circuit of direct-reading dust gauge among Fig. 1;
Figure 10 is the circuit theory diagrams of the push-button unit of direct-reading dust gauge among Fig. 1;
Figure 11 is the single-chip microcomputer of direct-reading dust gauge among Fig. 1 and the circuit theory diagrams of peripheral circuit thereof.
Embodiment
Be described in detail below in conjunction with the accompanying drawing specific embodiments of the invention:
Referring to figs. 1 to shown in Figure 3; Direct-reading dust gauge of the present invention; The housing 2 that comprises rectangle, the ededy current gauge measuring device 3, the model that are provided with sampling apparatus 12, model in this housing 2 and are AMW5140V are the quality detection device 5 of GJ6401 α β γ end window halogen G-M counter tube, electronic aspiration pump 9, mainboard 16 and the electric battery 10 that model is 28YSK-6V.Wherein, Sampling apparatus 12 is fixedly mounted on the top of left side wall of housing 2; Its sampling head 11 stretches out left side wall, and the exit seal of sampling apparatus 12 is connected with a connecting pipe 13, and the air intake opening of the other end of connecting pipe 13 and ededy current gauge measuring device 3 is tightly connected; The gas outlet of ededy current gauge measuring device is sealedly connected with a swan neck 4, and the other end of swan neck 4 is connected with the air intake opening of electronic aspiration pump 9 through silicone rubber tube 7.Quality detection device 5 is fixedly mounted on through outer cover plate 15 on top and its of right side wall of housing 2 and is inserted with filter membrane clip 14, and electronic aspiration pump 9 is fixedly mounted on housing 2 bottoms from right to left successively with electric battery 10.Display unit 17 and push-button unit 18 are installed on the front panel of this housing 2 from top to bottom successively.The bottom of the rear panel of this housing 2 is provided with charging inlet 8.
To shown in Figure 11, mainboard 16 comprises quality detection device interface circuit, first power circuit, second source circuit, ededy current gauge measuring device interface circuit, display interface circuit, print interface circuit, push-button unit and AT89C52 single-chip microcomputer and peripheral circuit thereof in conjunction with Fig. 4.Wherein:
The J1-1 terminal of quality detection device interface circuit is connected with quality detection device 5, and the I-B of quality detection device interface circuit end is connected with the 14th pin of AT89C52 single-chip microcomputer.
The J3-1 terminal of ededy current gauge measuring device interface circuit is connected with ededy current gauge measuring device 3; The 1st pin of ededy current gauge measuring device interface circuit is connected with the 25th pin of AT89C52 single-chip microcomputer; The model of ededy current gauge measuring device interface circuit is that the 2nd, the 3rd pin correspondence of the A/D converter of ACD0804 is connected with the 17th, the 16th pin of AT89C52 single-chip microcomputer; The 11st of this A/D converter～the 18th pin is corresponding to the 32nd of AT89C52 single-chip microcomputer～the 39th pin is connected, and the 5th pin of this A/D converter is connected with the 13rd pin of AT89C52 single-chip microcomputer.
The J4-1 terminal of second source circuit is connected with charging inlet 8, and the J5-1 terminal of second source circuit is connected with the motor of electronic aspiration pump 9, and the model in the second source circuit is that the input end of the optocoupler of 4N25 is connected with the 5th pin of AT89C52 single-chip microcomputer.
The the 11st, the 13rd pin of display interface circuit is corresponding to be connected with the 21st, the 22nd pin of AT89C52 single-chip microcomputer; The 15th pin of display interface circuit is connected with the 16th pin of its display interface circuit; The the 17th, the 19th, the 21st, the 23rd, the 25th, the 27th, the 29th, the 31st pin of display interface circuit corresponding with AT89C52 SCM peripheral circuit in model be that the 9th, the 10th, the 11st, the 13rd, the 14th, the 15th, the 16th, the 17th pin of the EEPROM of AT28C16 is connected, the 1st, the 3rd pin correspondence of display interface circuit is connected with the 27th, the 28th pin of AT89C52 single-chip microcomputer.
Model is that 74HC32 is connected with the output terminal of door in the 1st pin of print interface circuit and the AT89C52 SCM peripheral circuit, and model is that the 9th, the 10th, the 11st, the 13rd, the 14th, the 15th, the 16th, the 17th pin of the EEPROM of AT28C16 is connected in the 2nd of print interface circuit～the 9th pin correspondence and the AT89C52 SCM peripheral circuit.The 11st pin of print interface circuit is connected with the 12nd pin pin of AT89C52 single-chip microcomputer.
The a of push-button unit, b, c, d four ends correspondence are connected with the 1st of AT89C52 single-chip microcomputer～the 4th pin; The P3.5 end of push-button unit is connected with the 15th pin of AT89C52 single-chip microcomputer, and the e of push-button unit, f, g three ends correspondence are connected with the 6th of AT89C52 single-chip microcomputer～the 8th pin.
The J2-1 terminal of first power circuit is connected with electric battery 10; The RESET end of first power circuit is connected with the 9th pin of AT89C52 single-chip microcomputer; The VCC end of first power circuit is connected with the VCC end of pick-up unit interface circuit, second source circuit, ededy current gauge measuring device interface circuit, display interface circuit, print interface circuit, push-button unit and AT89C52 single-chip microcomputer and peripheral circuit thereof respectively.When the second source circuit is connected with external power supply through charging inlet 8; First power circuit will charge into electric battery 10 from the electric weight of external power supply through the second source circuit; When the direct-reading dust gauge was worked, first power circuit was supplied with the electric energy of electric battery 10 to display unit 17, push-button unit 18, quality detection device 5, ededy current gauge measuring device 3, display unit 17 and AT89C52 single-chip microcomputer.
In the direct-reading dust gauge of the present invention, ededy current gauge measuring device 3 is used to obtain in the sampling time gas flow that flows through in it.Quality detection device 5 is used to obtain the dust quality of the dust that the filter membrane on the filter membrane clip 14 traps in the sampling time.The AT89C52 single-chip microcomputer is used to receive the sampling parameter that push-button unit 18 is provided with; Sampling parameter comprises the sampling time at least; To the motor output PWM of electronic aspiration pump 9 gating pulse; Read the dust quality that gas flow that ededy current gauge measuring device 3 obtains and quality detection device 5 obtain through ededy current gauge measuring device interface circuit and quality detection device interface circuit respectively, go out dust concentration, through display interface circuit dust concentration is exported on the display unit 17 and show according to gas flow and dust Mass Calculation; And this dust concentration under the storage, in order to checking later on; When needs were printed dust concentration, the AT89C52 single-chip microcomputer exported dust concentration on the PRN device that is connected with print interface circuit 6 to through print interface circuit.
During use, the filter membrane clip 14 that at first will be placed with blank filter membrane inserts in the quality detection device 5, measures blank filter membrane quality; Measurement result is counted the first quality N1 and storage; Filter membrane clip is extracted out again and put into sampling head 11, begin sampling after configuring the sampling time through push-button unit 18, the negative pressure that causes after electronic aspiration pump 9 starts flows through sampling head 11, sampling apparatus 12, ededy current gauge measuring device 3, electronic aspiration pump 9 successively with dust laden air; Discharge from the gas outlet of electronic aspiration pump 9 at last; And in this process, be arranged in the dust that filter membrane on the filter membrane clip of sampling head 11 then captures dust laden air, and ededy current gauge measuring device 3 calculates the gas flow V that flows through in it; After sampling finishes, filter membrane clip, sampling head 11 is inserted into quality detection device 5 after extracting out once more; Measure the filter membrane quality of band behind the dust, measurement result is counted the second quality N2 and storage, carries out data processing by the AT89C52 single-chip microcomputer according to the first quality N1, gas flow V and the second quality N2 at last; Calculate dust concentration and be presented on the display unit 17, and store automatically.
Above embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (4)
1. direct-reading dust gauge; It is characterized in that; Comprise housing (2); Be provided with the sampling apparatus (12), ededy current gauge measuring device (3) and the electronic aspiration pump (9) that are tightly connected successively in the said housing (2); Also comprise the quality detection device (5), mainboard (16), the electric battery (10) that are arranged in the said housing (2); Be installed in display unit (17) and push-button unit (18) on the front panel of said housing (2), and be contained in the charging inlet (8) on the rear panel of said housing (2), said sampling apparatus (12) is installed on the left side wall of said housing (2); Its sampling head (11) stretches out said left side wall; Said quality detection device (5) is installed on the right side wall of said housing (2) and is inserted with filter membrane clip (14) on it, and said electronic aspiration pump (9) and said electric battery (10) are installed in said housing (2) bottom from right to left successively, and said mainboard (16) comprises the quality detection device interface circuit that is connected with said quality detection device (5); The ededy current gauge measuring device interface circuit that is connected with said ededy current gauge measuring device (3); The second source circuit that is connected with the motor of said charging inlet (8), said electronic aspiration pump (9) respectively, first power circuit that is connected with said electric battery (10), the display interface circuit that is connected with said display unit (17); And the model that is connected with said push-button unit (18), said quality detection device interface circuit, said ededy current gauge measuring device interface circuit, said display interface circuit, said second source circuit respectively is single-chip microcomputer and the peripheral circuit thereof of AT89C52, wherein:
Said ededy current gauge measuring device (3) is used to obtain in the sampling time gas flow that flows through in it;
Said quality detection device (5) is used to obtain the dust quality of the dust that the filter membrane on the said filter membrane clip (14) traps in the sampling time;
Said single-chip microcomputer; Be used to receive the sampling parameter that said push-button unit (18) is provided with; Said sampling parameter comprises the sampling time at least; To the motor of said electronic aspiration pump (9) output PWM gating pulse, read the dust quality that gas flow that said ededy current gauge measuring device (3) obtains and said quality detection device (5) obtain through said ededy current gauge measuring device interface circuit and said quality detection device interface circuit respectively, go out dust concentration according to said gas flow and said dust Mass Calculation; Export said dust concentration to said display unit (17) through said display interface circuit and go up demonstration, and store said dust concentration;
Said first power circuit; Be connected with said push-button unit (18), said second source circuit, said quality detection device interface circuit, said ededy current gauge measuring device interface circuit, said display interface circuit, said single-chip microcomputer respectively; When said second source circuit passes through said charging inlet (8) when being connected with external power supply; Said first power circuit will charge into said electric battery (10) from the electric weight of said external power supply through said second source circuit; When the direct-reading dust gauge was worked, said first power circuit was supplied with the electric energy of said electric battery (10) to said display unit (17), said push-button unit (18), said quality detection device (5), said ededy current gauge measuring device (3), said display unit (17) and said single-chip microcomputer;
Said quality detection device interface circuit comprises that resistance R 6, maximum value that model is the high-voltage power module of GW431A, operational amplifier, four pin connection terminals, resistance that model is LM358 are the resistance R 1 of 1M Ω, resistance R 2 that resistance is 4.7M Ω, resistance is 10K Ω a resistance R 3, resistance is 1M Ω resistance R 4, resistance R 5 that resistance is 1M Ω and resistance are 2K Ω are that the first potentiometer W1, the maximum value of 10K Ω is that the second potentiometer W2, the maximum value of 500K Ω is the 3rd potentiometer W3 of 500K Ω and the capacitor C 1 that model is 103KN; The 1st pin of said high-voltage power module meets VCC; The 2nd pin of said high-voltage power module links to each other with the 4th pin with the 3rd pin of said four pin connection terminals respectively with resistance R 2 through the resistance R 1 of series connection successively; The 3rd pin of said high-voltage power module and the 4th pin ground connection; One end of resistance R 4 with link to each other with the 2nd pin with the 1st pin of said four pin connection terminals respectively after an end of capacitor C 1 connects together; The other end ground connection of resistance R 4; The other end of capacitor C 1 links to each other with the adjustable end of the 3rd potentiometer W3 and the end of the second potentiometer W2 respectively; The other end of the second potentiometer W2 and adjustable end ground connection thereof; The end of the 3rd potentiometer W3 links to each other with the 2nd pin of said operational amplifier and an end of resistance R 5 respectively; The other end of resistance R 5 links to each other with the 1st pin of said operational amplifier, and an end of resistance R 6 links to each other and its other end ground connection with the 1st pin of said operational amplifier, and the 1st pin of said operational amplifier links to each other with the 14th pin of said single-chip microcomputer; The 3rd pin of said operational amplifier links to each other with the end of the first potentiometer W1 and an end of resistance R 3 respectively; The adjustable termination VCC of the first potentiometer W1, the other end ground connection of resistance R 3, the 4th pin ground connection of said operational amplifier; The 8th pin of said operational amplifier meets VCC, and said four pin connection terminals are connected with said quality detection device (5).
2. direct-reading dust gauge according to claim 1; It is characterized in that; Be positioned on the right side wall of said housing (2) of said quality detection device (5) below printing interface (6) is installed; Said mainboard (16) also comprises the print interface circuit that is connected with said single-chip microcomputer, and when needs were printed the dust concentration that said single-chip microcomputer calculates, said single-chip microcomputer exported said dust concentration on the PRN device that is connected with said printing interface (6) to through said print interface circuit.
3. direct-reading dust gauge according to claim 2; It is characterized in that; Connect through connecting pipe (13) between said sampling apparatus (12) and the said ededy current gauge measuring device (3), be connected with silicone rubber tube (7) through swan neck (4) successively between said ededy current gauge measuring device (3) and the said electronic aspiration pump (9).
4. direct-reading dust gauge according to claim 3; It is characterized in that; Said ededy current gauge measuring device (3) is that model is the ededy current gauge measuring device of AMW5140V; Said quality detection device (5) is that model is a GJ6401 α β γ end window halogen G-M counter tube, and said electronic aspiration pump (9) is that model is the electronic aspiration pump of 28YSK-6V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010284884 CN101949812B (en) | 2010-09-17 | 2010-09-17 | Direct reading dust gauge for mining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010284884 CN101949812B (en) | 2010-09-17 | 2010-09-17 | Direct reading dust gauge for mining |
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| CN101949812A CN101949812A (en) | 2011-01-19 |
| CN101949812B true CN101949812B (en) | 2012-11-28 |
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| CN 201010284884 Active CN101949812B (en) | 2010-09-17 | 2010-09-17 | Direct reading dust gauge for mining |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792673B (en) * | 2015-03-30 | 2017-08-18 | 江苏华凯矿业科技有限公司 | Direct-reading dust concentration detector with pressure differential detection function |
| CN106198128A (en) * | 2016-07-04 | 2016-12-07 | 无锡信大气象传感网科技有限公司 | A kind of air particle automatic acquisition device |
| CN106802261A (en) * | 2017-01-22 | 2017-06-06 | 江苏三联安全评价咨询有限公司 | A kind of apparatus for measuring dust concentration and its measuring method |
| CN107063952B (en) * | 2017-03-08 | 2019-09-27 | 昆明理工大学 | A kind of real-time embedded detection of mining Dust Concentration and automatic dustfall device |
| CN109668810B (en) * | 2017-10-17 | 2021-08-17 | 重庆梅安森科技股份有限公司 | Mining dust concentration sensor |
| CN113466096B (en) * | 2021-06-10 | 2022-06-28 | 太原理工大学 | Novel direct-reading dust concentration measuring instrument |
| CN114675695B (en) * | 2022-03-26 | 2023-04-18 | 太仓武港码头有限公司 | Control method, system, equipment and storage medium for dust suppression of storage yard |
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Address after: 232008 LITE-ON Road, Huainan economic and Technological Development Zone, Anhui Applicant after: Huainan Runcheng Technology Co., Ltd. Address before: 232008 LITE-ON Road, Huainan economic and Technological Development Zone, Anhui Applicant before: Huainan Runcheng Technology Co., Ltd. |
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