CN201788133U - Mining direct-reading dust measuring instrument - Google Patents
Mining direct-reading dust measuring instrument Download PDFInfo
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- CN201788133U CN201788133U CN 201020533271 CN201020533271U CN201788133U CN 201788133 U CN201788133 U CN 201788133U CN 201020533271 CN201020533271 CN 201020533271 CN 201020533271 U CN201020533271 U CN 201020533271U CN 201788133 U CN201788133 U CN 201788133U
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- dust
- measuring device
- interface circuit
- quality detection
- detection device
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Abstract
The utility model discloses a direct-reading dust measuring instrument which comprises a casing, wherein a sampling device, an eddy current measuring device and an electric air extracting pump which are connected respectively in sequence in a sealed manner are arranged in the casing; and the direct-reading dust measuring instrument further comprises a quality detection device, a main board and a battery pack which are also arranged in the casing. When the direct-reading dust measuring instrument is in use, the quality of a blank filter membrane in a filter membrane clamp is measured with the quality detection device, then the filter membrane clamp is inserted into a sampling head, dusty air flows through the sampling head, the sampling device, the eddy current measuring device and the electric air extracting pump respectively in sequence under action of the negative pressure caused by the electric air extracting pump during the sampling process, and finally, the dusty air is discharged from an air outlet of the electric air extracting pump; a filter membrane on the filter membrane clamp is used for capturing the dust in the dusty air, the eddy current measuring device is used for calculating the air flow rate of air flowing through the interior of the eddy current measuring device, the filter membrane clamp is inserted into the quality detection device after the completion of sampling, the quality of the filter membrane after the dust is carried away is measured, and finally a CPU (central processing unit) of the main board processes the data and calculates the dust concentration; therefore, the dust concentration is accurately measured in time, and the direct-reading dust measuring instrument is simple to operate and higher in efficiency.
Description
Technical field
The utility model relates to a kind of dust gauge, relates 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, taking off filter membrane that filter membrane clip will have dust then takes on the mine and weighs 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 this dust sampler can not be measured the result of gained and complicated operation in time, efficient is lower.
The utility model content
The purpose of this utility model is to provide a kind of can in time measure dust concentration, simple to operate, dust gauge that efficient is high.
For achieving the above object, the utility model provides a kind of direct-reading dust gauge, comprise housing, be provided with the sampling apparatus that is tightly connected successively in the described housing, ededy current gauge measuring device and electronic aspiration pump, also comprise the quality detection device that is arranged in the described housing, mainboard, electric battery, be installed in display unit and push-button unit on the front panel of described housing, and be contained in charging inlet on the rear panel of described housing, described sampling apparatus is installed on the left side wall of described housing, its sampling head stretches out described left side wall, described quality detection device is installed on the right side wall of described housing and is inserted with filter membrane clip on it, described electronic aspiration pump and described electric battery are installed in described housing bottom from right to left successively, described mainboard comprises the quality detection device interface circuit that is connected with described quality detection device, the ededy current gauge measuring device interface circuit that is connected with described ededy current gauge measuring device, respectively with described charging inlet, the second source circuit that the motor of described electronic aspiration pump connects, first power circuit that is connected with described electric battery, the display interface circuit that is connected with described display unit, and respectively with described push-button unit, described quality detection device interface circuit, described ededy current gauge measuring device interface circuit, described display interface circuit, the CPU that described second source circuit connects, wherein:
Described ededy current gauge measuring device is used to obtain in the sampling time gas flow that flows through in it;
Described quality detection device is used to obtain the dust quality of the dust that the filter membrane on the described filter membrane clip traps in the sampling time;
Described CPU, be used to receive the sampling parameter that described push-button unit is provided with, described sampling parameter comprises the sampling time at least, to the motor output PWM of described electronic aspiration pump gating pulse, read the dust quality that gas flow that described ededy current gauge measuring device obtains and described quality detection device obtain by described ededy current gauge measuring device interface circuit and described quality detection device interface circuit respectively, go out dust concentration according to described gas flow and described dust Mass Calculation, by described display interface circuit described dust concentration is exported on the described display unit and to show, and store described dust concentration;
Described first power circuit, respectively with described push-button unit, described second source circuit, described quality detection device interface circuit, described ededy current gauge measuring device interface circuit, described display interface circuit, described CPU connects, when described second source circuit is connected with external power supply by described charging inlet, described first power circuit will charge into described electric battery from the electric weight of described external power supply by described second source circuit, when the direct-reading dust gauge is worked, described first power circuit with the electric energy of described electric battery to described display unit, described push-button unit, described quality detection device, described ededy current gauge measuring device, described display unit and described CPU supply with.
Direct-reading dust gauge of the present utility model, be positioned on the right side wall of described housing of described quality detection device below printing interface is installed, described mainboard also comprises the print interface circuit that is connected with described CPU, when needs were printed the dust concentration that described CPU calculates, described CPU exported described dust concentration on the printing device that is connected with described printing interface to by described print interface circuit.
Direct-reading dust gauge of the present utility model connects by connecting pipe between described sampling apparatus and the described ededy current gauge measuring device, is connected with silicone rubber tube by swan neck successively between described ededy current gauge measuring device and the described electronic aspiration pump.
Direct-reading dust gauge of the present utility model, described ededy current gauge measuring device is that model is the ededy current gauge measuring device of AMW5140V, described quality detection device is that model is a GJ6401 α β γ end window halogen G-M counter tube, and described electronic aspiration pump is that model is the electronic aspiration pump of 28YSK-6V.
Direct-reading dust gauge of the present utility model, described CPU are that model is single-chip microcomputer and the peripheral circuit thereof of AT89C52.
The utility model 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 blank filter membrane quality in the filter membrane clip with quality detection device, again filter membrane clip is inserted in the sampling head, the negative pressure that electronic aspiration pump causes during sampling flows through sampling head successively with dust laden air, sampling apparatus, the ededy current gauge measuring device, electronic aspiration pump, 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 utility model;
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
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail:
Referring to figs. 1 to shown in Figure 3, direct-reading dust gauge of the present utility model, 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, the exit seal of sampling apparatus 12 is connected with a connecting pipe 13, 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 by silicone rubber tube 7.Quality detection device 5 is fixedly mounted on by outer cover plate 15 on the top of right side wall of housing 2 and its and is inserted with filter membrane clip 14, and electronic aspiration pump 9 and electric battery 10 are fixedly mounted on housing 2 bottoms from right to left successively.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 11st of display interface circuit, the 13rd pin correspondence and the 21st of AT89C52 single-chip microcomputer, the 22nd pin connects, the 15th pin of display interface circuit is connected with the 16th pin of its display interface circuit, the 17th of display interface circuit, the 19th, the 21st, the 23rd, the 25th, the 27th, the 29th, the 31st pin corresponding with AT89C52 SCM peripheral circuit in model be AT28C16 EEPROM the 9th, the 10th, the 11st, the 13rd, the 14th, the 15th, the 16th, the 17th pin connects, the 1st of display interface circuit, the 3rd pin correspondence and the 27th of AT89C52 single-chip microcomputer, the 28th pin connects.
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 by charging inlet 8, first power circuit will charge into electric battery 10 from the electric weight of external power supply by 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 utility model, 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 by ededy current gauge measuring device interface circuit and quality detection device interface circuit respectively, go out dust concentration according to gas flow and dust Mass Calculation, export dust concentration on the display unit 17 demonstration by display interface circuit, 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 printing device that is connected with print interface circuit 6 to by 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, measure blank filter membrane quality, measurement result is counted the first quality N1 and storage, again filter membrane clip is extracted out and put into sampling head 11, configure by push-button unit 18 and to begin sampling after the sampling time, the negative pressure that causes after electronic aspiration pump 9 starts flows through sampling head 11 successively with dust laden air, sampling apparatus 12, ededy current gauge measuring device 3, electronic aspiration pump 9, 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 after extracting out, sampling head 11 is inserted into quality detection device 5 once more, measure the filter membrane quality of band behind the dust, measurement result is counted the second quality N2 and storage, at last by the AT89C52 single-chip microcomputer according to the first quality N1, the gas flow V and the second quality N2 carry out data processing, calculate dust concentration and be presented on the display unit 17, and store automatically.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (5)
1. direct-reading dust gauge, it is characterized in that, comprise housing (2), be provided with the sampling apparatus (12) that is tightly connected successively in the described housing (2), ededy current gauge measuring device (3) and electronic aspiration pump (9), also comprise the quality detection device (5) that is arranged in the described housing (2), mainboard (16), electric battery (10), be installed in display unit (17) and push-button unit (18) on the front panel of described housing (2), and be contained in charging inlet (8) on the rear panel of described housing (2), described sampling apparatus (12) is installed on the left side wall of described housing (2), its sampling head (11) stretches out described left side wall, described quality detection device (5) is installed on the right side wall of described housing (2) and is inserted with filter membrane clip (14) on it, described electronic aspiration pump (9) and described electric battery (10) are installed in described housing (2) bottom from right to left successively, described mainboard (16) comprises the quality detection device interface circuit that is connected with described quality detection device (5), the ededy current gauge measuring device interface circuit that is connected with described ededy current gauge measuring device (3), respectively with described charging inlet (8), the second source circuit that the motor of described electronic aspiration pump (9) connects, first power circuit that is connected with described electric battery (10), the display interface circuit that is connected with described display unit (17), and respectively with described push-button unit (18), described quality detection device interface circuit, described ededy current gauge measuring device interface circuit, described display interface circuit, the CPU that described second source circuit connects, wherein:
Described ededy current gauge measuring device (3) is used to obtain in the sampling time gas flow that flows through in it;
Described quality detection device (5) is used to obtain the dust quality of the dust that the filter membrane on the described filter membrane clip (14) traps in the sampling time;
Described CPU, be used to receive the sampling parameter that described push-button unit (18) is provided with, described sampling parameter comprises the sampling time at least, to the motor output PWM of described electronic aspiration pump (9) gating pulse, read the dust quality that gas flow that described ededy current gauge measuring device (3) obtains and described quality detection device (5) obtain by described ededy current gauge measuring device interface circuit and described quality detection device interface circuit respectively, go out dust concentration according to described gas flow and described dust Mass Calculation, export described dust concentration to described display unit (17) by described display interface circuit and go up demonstration, and store described dust concentration;
Described first power circuit, respectively with described push-button unit (18), described second source circuit, described quality detection device interface circuit, described ededy current gauge measuring device interface circuit, described display interface circuit, described CPU connects, when described second source circuit passes through described charging inlet (8) when being connected with external power supply, described first power circuit will charge into described electric battery (10) from the electric weight of described external power supply by described second source circuit, when the direct-reading dust gauge is worked, described first power circuit with the electric energy of described electric battery (10) to described display unit (17), described push-button unit (18), described quality detection device (5), described ededy current gauge measuring device (3), described display unit (17) and described CPU supply with.
2. direct-reading dust gauge according to claim 1, it is characterized in that, be positioned on the right side wall of described housing (2) of described quality detection device (5) below printing interface (6) is installed, described mainboard (16) also comprises the print interface circuit that is connected with described CPU, when needs were printed the dust concentration that described CPU calculates, described CPU exported described dust concentration on the printing device that is connected with described printing interface (6) to by described print interface circuit.
3. direct-reading dust gauge according to claim 2, it is characterized in that, connect by connecting pipe (13) between described sampling apparatus (12) and the described ededy current gauge measuring device (3), be connected with silicone rubber tube (7) by swan neck (4) successively between described ededy current gauge measuring device (3) and the described electronic aspiration pump (9).
4. direct-reading dust gauge according to claim 3, it is characterized in that, described ededy current gauge measuring device (3) is that model is the ededy current gauge measuring device of AMW5140V, described quality detection device (5) is that model is a GJ6401 α β γ end window halogen G-M counter tube, and described electronic aspiration pump (9) is that model is the electronic aspiration pump of 28YSK-6V.
5. direct-reading dust gauge according to claim 4 is characterized in that, described CPU is that model is single-chip microcomputer and the peripheral circuit thereof of AT89C52.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020533271 CN201788133U (en) | 2010-09-17 | 2010-09-17 | Mining direct-reading dust measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020533271 CN201788133U (en) | 2010-09-17 | 2010-09-17 | Mining direct-reading dust measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201788133U true CN201788133U (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020533271 Expired - Fee Related CN201788133U (en) | 2010-09-17 | 2010-09-17 | Mining direct-reading dust measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201788133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949812A (en) * | 2010-09-17 | 2011-01-19 | 淮南润成科技有限公司 | Direct reading dust gauge for mining |
| RU2472134C1 (en) * | 2011-10-20 | 2013-01-10 | Олег Савельевич Кочетов | Method of multi-objective estimation of shop-floor working zone comfort |
-
2010
- 2010-09-17 CN CN 201020533271 patent/CN201788133U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949812A (en) * | 2010-09-17 | 2011-01-19 | 淮南润成科技有限公司 | Direct reading dust gauge for mining |
| CN101949812B (en) * | 2010-09-17 | 2012-11-28 | 淮南润成科技股份有限公司 | Direct reading dust gauge for mining |
| RU2472134C1 (en) * | 2011-10-20 | 2013-01-10 | Олег Савельевич Кочетов | Method of multi-objective estimation of shop-floor working zone comfort |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUAI NAN RUNCHENG TECHNOLOGY SHARES CO., LTD. Free format text: FORMER NAME: HUAI NAN RUNCHENG TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 232008 LITE-ON Road, Huainan economic and Technological Development Zone, Anhui Patentee after: Huainan Runcheng Technology Co., Ltd. Address before: 232008 LITE-ON Road, Huainan economic and Technological Development Zone, Anhui Patentee before: Huainan Runcheng Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110406 Termination date: 20130917 |