CN207147935U - A kind of dust concentration detection means - Google Patents
A kind of dust concentration detection means Download PDFInfo
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- CN207147935U CN207147935U CN201721016686.9U CN201721016686U CN207147935U CN 207147935 U CN207147935 U CN 207147935U CN 201721016686 U CN201721016686 U CN 201721016686U CN 207147935 U CN207147935 U CN 207147935U
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Abstract
The utility model proposes a kind of dust concentration detection means, including detection means and control display device, detection means is connected by cable with control display device；Detection means includes sensor of dust concentration, the first shell and detection circuit, detection circuit is located in the first shell, one end of sensor of dust concentration is stretched into the environment for needing to detect dust concentration through the first shell and the electric charge input electrical communication for detecting circuit, the other end of sensor of dust concentration；Display device is controlled to include control display circuit, display screen and second housing, solves the convenience issue of parameter adjustment, pass through detection means and control display device separate design, realize the convenience of manipulation, the substantivity of display, eminence, the not convenient problem that detection parameters are set are in suitable for flue, amplifying parameters are adjusted simultaneously, it is possible to achieve to the parameter design problem of different application scene.
Description
Technical field
It the utility model is related to dust concentration detection technique field, and in particular to a kind of dust concentration detection means.
Background technology
The fast-developing prosperity and progress on the one hand promoting economy of industry, on the other hand also brings undeniable ring
Border is endangered, and especially production, life of the dust granules excessive concentration to people is generated and had a strong impact on.It is necessary in this context
To dust concentration examinations, dust concentration data are acquired and handled so being badly in need of research and development a set of dust measurement system；
Dust concentration change situation is observed with this, so as to effectively prevent all kinds of production safety things as caused by dust concentration is too high
The generation of part.
In the prior art, apparatus for measuring dust concentration is mainly using optical means, the detection method master of optical principle
Want problem explorer portion easily by dust pollution, in use for some time, because serious, sensitivity decrease of zero drift etc. is asked
To inscribe, electrostatic dust detection technique can overcome the shortcomings of optical means, attract attention and study in dust detection field,
CN204705569U patents disclose a kind of apparatus for measuring dust concentration, and its technology used is exchange electrostatic coupling technology, still
The system can only be and uncontrollable by remotely checking.
Utility model content
In order to solve above-mentioned technical problem, the utility model provides a kind of dust concentration detection means, it is intended that
A kind of dust concentration detection means for facilitating parameter adjustment is provided, by the detection means, solves problem parameter adjustment just
Sharp sex chromosome mosaicism.
The utility model provides a kind of dust concentration detection means, including the detection means connected by cable and control show
Showing device；
Detection means includes sensor of dust concentration, the first shell and detection circuit, and detection circuit is located in the first shell,
One end of sensor of dust concentration passes through the first shell with detecting the electric charge input electrical communication of circuit, sensor of dust concentration
The other end stretch into need detect dust concentration environment in；
Control display device to include control display circuit, display screen and second housing, control display circuit and display location
In in second housing, control display circuit is connected with display screen, and control display circuit is connected by cable with detection circuit.
Further improved as the utility model, detection circuit includes：
CPU processor；
Signal processing circuit, its input and sensor of dust concentration electrical communication, its output end connect with CPU processor
Connect；
Warning circuit, its input are connected with CPU processor；
Data output interface, its input are connected with CPU processor；
Power circuit, its output end are connected with CPU processor, signal processing circuit, warning circuit respectively, power circuit
Input is connected with external power source.
Further improved as the utility model, control display circuit include several buttons, set debug circuit and
Display circuit；
Each button sets the output end of debug circuit to pass through cable and CPU with setting the input of debug circuit to be connected
Processor connects；
The input of display circuit is connected by cable with CPU processor, and the output end of display circuit is connected with display screen；
Power circuit is by cable respectively with setting debug circuit and display circuit to be connected.
Further improved as the utility model, detection means also includes reset circuit, itself and CPU processor and power supply
Circuit is connected, and the reset switch that reset circuit uses is triggered for three ends and managed.
Further improved as the utility model, detection circuit also includes crystal oscillating circuit, crystal oscillating circuit and CPU processing
Device connects, and crystal oscillating circuit provides clock signal for CPU processor.
Further improved as the utility model, signal processing circuit includes：
Protection circuit, its one end are connected with sensor of dust concentration, and the other end is connected to ground；
Pre-filter circuit, its input are connected with sensor of dust concentration；
The output end connection of first amplifying circuit, its input and pre-filter circuit；
Programmable amplifying circuit, its input cathode are connected with the output end of the first amplifying circuit, input anode and CPU
Processor is connected, and filter circuit is provided between the input anode and input cathode of programmable amplifying circuit；
The output end connection of low-pass filter circuit, its input and programmable amplifying circuit；
The output end connection of second amplifying circuit, its input and low-pass filter circuit, the output end of the second amplifying circuit
It is connected with CPU processor.
Further improved as the utility model, pre-filter circuit for two level RCR filter circuits.
Further improved as the utility model, sensor of dust concentration uses stainless steel feeler lever, and the material of feeler lever is
304 stainless steels or 206 stainless steels.
Further improved as the utility model, CPU processor is embedded scm.
Further improved as the utility model, data output interface is 485 interfaces or 232 interfaces.
The utility model has the advantages that：By detection means and control display device separate design, realize
The convenience of manipulation, the substantivity of display, eminence is in suitable for flue, the not convenient problem that detection parameters are set, and meanwhile it is right
Amplifying parameters are adjusted, it is possible to achieve to the parameter design problem of different application scene.
Brief description of the drawings
Fig. 1 is dust concentration structure of the detecting device schematic diagram.
Fig. 2 is that dust concentration detection means is electrically connected schematic diagram.
Fig. 3 is the signal processing circuit schematic diagram of dust concentration detection means.
In figure, 1, detection means；2nd, display device is controlled；3rd, cable；11st, sensor of dust concentration；12nd, the first shell；
13rd, circuit is detected；21st, display circuit is controlled；22nd, display screen；23rd, second housing；131st, CPU processor；132nd, signal transacting
Circuit；133rd, power circuit；134th, warning circuit；135th, data output interface；136th, reset circuit；137th, crystal oscillating circuit；
211st, button；The 212nd, debug circuit is set；213rd, display circuit.
Embodiment
Below in conjunction with the accompanying drawings, and specific embodiment is described in further detail to the present invention.
Embodiment 1, as shown in Figure 1, 2, the present embodiment provide a kind of dust concentration detection means, are connected by cable 3
Detection means 1 and control display device 2；
Detection means 1, including sensor of dust concentration 11, the first shell 12 and detection circuit 13, detection circuit 13 are located at
In first shell 12, one end of sensor of dust concentration 11 is electric through the electric charge input of the first shell 12 and detection circuit 13
Connection, the other end of sensor of dust concentration 11 are stretched into the environment for needing to detect dust concentration；
Detection circuit 13 includes：CPU processor 131；Signal processing circuit 132, its input and sensor of dust concentration
11 electrical communications, its output end are connected with CPU processor 131；Warning circuit 134, its input are connected with CPU processor 131；
Data output interface 135, its input are connected with CPU processor 131；Power circuit 133, its output end respectively with CPU processing
Device 131, signal processing circuit 132, warning circuit 134 are connected, and the input of power circuit 133 is connected with external power source.
Display device 2 is controlled, it includes controlling display circuit 21, display screen 22 and second housing 23, controls display circuit
21 and display screen 22 be located in second housing 23, the front of shell 23 is provided with form corresponding with the viewing area of display screen 22, control
Display circuit 21 is connected with display screen 22, and control display circuit 21 is connected by cable 3 with detection circuit 13, controls display circuit
21 include several buttons 211, set debug circuit 212 and display circuit 213；Each button 211 is with setting debug circuit 212
Input connection, set debug circuit 212 output end be connected by cable 3 with CPU processor 131；Display circuit 213
Input is connected by cable 3 with CPU processor 131, and the output end of display circuit 213 is connected with display screen 22；Power circuit
133 are connected with setting debug circuit 212 and display circuit 213 respectively by cable 3.
Sensor of dust concentration 11 uses stainless steel feeler lever, and the material of feeler lever is 304 stainless steels or 206 stainless steels.
CPU processor 131 is embedded scm.
Data output interface 135 is 485 interfaces or 232 interfaces.
Debug circuit 5 is set to include set key, increase key, reduce key, for controlling acquisition parameter, acquisition parameter bag manually
Include alarming value, the size of output current of signal processing circuit 132, password.
Detection means 1 separately designs with control display device 2, primarily to it is easy to control, set debug circuit 212 logical
Cross button 211 and the setting signal of user is transferred to CPU processor 131, CPU processor 131 is according to built-in programme-control report
Alert value increase reduces, the multiplication factor of the amplifying circuit of Regulate signal process circuit 132.
Embodiment 2, as shown in Fig. 2 the present embodiment provides a kind of dust concentration detection means, it is different from first embodiment it
It is in detection means also includes reset circuit 136, and it is connected with CPU processor 131 and power circuit 133, reset circuit
136 reset switches used are triggered for three ends and managed.
Embodiment 3, as shown in Fig. 2 the present embodiment provides a kind of dust concentration detection means, it is different from first embodiment it
It is in detection circuit 13 also includes crystal oscillating circuit 137, and crystal oscillating circuit 137 is connected with CPU processor 131, crystal oscillating circuit 137
Clock signal is provided for CPU processor 131.
Embodiment 4, as shown in figure 1, the present embodiment provides a kind of dust concentration detection means, it is different from first embodiment it
It is in detection means 1 also includes the first plug, the output with CPU processor 131 and power circuit 133 respectively of the first plug
End connection, control display device 2 also include the second plug, and the second plug is respectively with setting the output end of debug circuit 212 and showing
Show the input connection of circuit 213, cable both ends connect the 3rd plug and the 4th plug, the first plug and the 3rd plug pair respectively
It should connect, the connection corresponding with the 4th plug of the second plug；
Aforementioned four plug uses aviation waterproof plug, sets connection plug, when in order to accomplish the dustproof and waterproof of connection,
To adapt to different environmental requirements, second, maintenance is convenient, in the case of failure, convenient maintenance and replacing.
Embodiment 5, as shown in figure 3, the present embodiment provides a kind of dust concentration detection means, as changing for first embodiment
Enter, signal processing circuit 132 includes：
Protection circuit, its one end are connected with sensor of dust concentration 11, and the other end is connected to ground, because a variety of causes has height
When voltage, heavy current input, it can prevent from burning out back-end circuit, the present embodiment is using discharge tube as protection circuit core device
Part.
Pre-filter circuit, its input are connected with sensor of dust concentration 11；Pre-filter circuit is filtered for two level RCR
Wave circuit.Pre-filter circuit will filter out DC component；
The output end connection of first amplifying circuit, its input and pre-filter circuit；
Programmable amplifying circuit, its input cathode are connected with the output end of the first amplifying circuit, input anode and CPU
Processor 131 is connected, and filter circuit is provided between the input anode and input cathode of programmable amplifying circuit；Program control put is set
Big circuit is in order to which in the case of different discharge dust concentrations, the requirement for warning concentration is different, therefore can be according to reality
Border testing requirements set the multiple of amplification, so as to expand or reduce detection range, to adapt to testing requirements.
The output end connection of low-pass filter circuit, its input and programmable amplifying circuit；
The output end connection of second amplifying circuit, its input and low-pass filter circuit, the output end of the second amplifying circuit
It is connected with CPU processor 131.
The utility model has the advantages that：By detection means and control display device separate design, realize
The convenience of manipulation, the substantivity of display, eminence is in suitable for flue, the not convenient problem that detection parameters are set, and meanwhile it is right
Amplifying parameters are adjusted, it is possible to achieve to the parameter design problem of different application scene.
Condition of the those skilled in the art in the spirit and scope of the present utility model for not departing from claims determination
Under, various modifications can also be carried out to above content.Therefore the scope of the utility model is not limited in saying for the above
It is bright, but determined by the scope of claims.
Claims (10)
1. a kind of dust concentration detection means, it is characterised in that including the detection means (1) connected by cable (3) and control
Display device (2)；
The detection means (1) includes sensor of dust concentration (11), the first shell (12) and detection circuit (13), the detection
Circuit (13) is located in the first shell (12), one end of the sensor of dust concentration (11) through first shell (12) with
The electric charge input electrical communication of the detection circuit (13), the other end of the sensor of dust concentration (11), which stretches into, to be needed to examine
Survey in the environment of dust concentration；
The control display device (2) includes control display circuit (21), display screen (22) and second housing (23), the control
Display circuit (21) and the display screen (22) are located in second housing (23), the control display circuit (21) and display screen
(22) connect, the control display circuit (21) is connected by the cable (3) with the detection circuit (13).
2. dust concentration detection means according to claim 1, it is characterised in that the detection circuit (13) includes：
CPU processor (131)；
Signal processing circuit (132), its input and the sensor of dust concentration (11) electrical communication, its output end with it is described
CPU processor (131) connects；
Warning circuit (134), its input are connected with the CPU processor (131)；
Data output interface (135), its input are connected with the CPU processor (131)；
Power circuit (133), its output end respectively with the CPU processor (131), the signal processing circuit (132), described
Warning circuit (134) is connected, and the input of the power circuit (133) is connected with external power source.
3. dust concentration detection means according to claim 2, it is characterised in that the control display circuit (21) includes
Several buttons (211), debug circuit (212) and display circuit (213) are set；
Each button (211) is connected with the input of the setting debug circuit (212), the setting debug circuit (212)
Output end is connected by the cable (3) with the CPU processor (131)；
The input of the display circuit (213) is connected by the cable (3) with the CPU processor (131), the display
The output end of circuit (213) is connected with the display screen (22)；
The power circuit (133) sets debug circuit (212) and the display circuit with described respectively by the cable (3)
(213) connect.
4. dust concentration detection means according to claim 2, it is characterised in that the detection means also includes resetting electricity
Road (136), it is connected with the CPU processor (131) and the power circuit (133), what the reset circuit (136) used
Reset switch is three ends triggering pipe.
5. dust concentration detection means according to claim 2, it is characterised in that the detection circuit (13) also includes crystalline substance
Shake circuit (137), and the crystal oscillating circuit (137) is connected with the CPU processor (131), and the crystal oscillating circuit (137) is described
CPU processor (131) provides clock signal.
6. dust concentration detection means according to claim 2, it is characterised in that signal processing circuit (132) bag
Include：
Protection circuit, its one end are connected with the sensor of dust concentration (11), and the other end is connected to ground；
Pre-filter circuit, its input are connected with the sensor of dust concentration (11)；
First amplifying circuit, its input are connected with the output end of the pre-filter circuit；
Programmable amplifying circuit, its input cathode are connected with the output end of first amplifying circuit, input anode with it is described
CPU processor (131) is connected, and filter circuit is provided between the input anode and input cathode of the programmable amplifying circuit；
Low-pass filter circuit, its input are connected with the output end of the programmable amplifying circuit；
Second amplifying circuit, its input are connected with the output end of the low-pass filter circuit, second amplifying circuit it is defeated
Go out end to be connected with the CPU processor (131).
7. dust concentration detection means according to claim 6, it is characterised in that the pre-filter circuit for two level
RCR filter circuits.
8. dust concentration detection means according to claim 1, it is characterised in that the sensor of dust concentration (11) is adopted
With stainless steel feeler lever, the material of the feeler lever is 304 stainless steels or 206 stainless steels.
9. dust concentration detection means according to claim 2, it is characterised in that the CPU processor (131) is insertion
Formula single-chip microcomputer.
10. dust concentration detection means according to claim 2, it is characterised in that the data output interface (135) is
485 interfaces or 232 interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016686.9U CN207147935U (en) | 2017-08-15 | 2017-08-15 | A kind of dust concentration detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016686.9U CN207147935U (en) | 2017-08-15 | 2017-08-15 | A kind of dust concentration detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207147935U true CN207147935U (en) | 2018-03-27 |
Family
ID=61666458
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721016686.9U Active CN207147935U (en) | 2017-08-15 | 2017-08-15 | A kind of dust concentration detection means |
Country Status (1)
| Country | Link |
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| CN (1) | CN207147935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362619A (en) * | 2018-04-23 | 2018-08-03 | 成都瑞欣沥青科技有限公司 | A kind of smog recorder measuring intermittent mixing building bitumen concrete smokescope |
-
2017
- 2017-08-15 CN CN201721016686.9U patent/CN207147935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362619A (en) * | 2018-04-23 | 2018-08-03 | 成都瑞欣沥青科技有限公司 | A kind of smog recorder measuring intermittent mixing building bitumen concrete smokescope |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230630 Address after: Room 377, Floor 3, Building 1, Yard 5, Jinfu Street, Daxing District, Beijing 102600 Patentee after: Huatao Industrial Control Equipment (Beijing) Co.,Ltd. Address before: 314006 Room 315, Building 1, No. 152, Huixin Road, Daqiao Town, Nanhu District, Jiaxing, Zhejiang Province Patentee before: JIAXING HUATAO INSTRUMENTS CO.,LTD. |