CN205219449U - Environmental protection dust fall system of high accuracy - Google Patents
Environmental protection dust fall system of high accuracy Download PDFInfo
- Publication number
- CN205219449U CN205219449U CN201521054864.8U CN201521054864U CN205219449U CN 205219449 U CN205219449 U CN 205219449U CN 201521054864 U CN201521054864 U CN 201521054864U CN 205219449 U CN205219449 U CN 205219449U
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- shower
- switch
- audio
- environmental protection
- protection dust
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Abstract
The utility model discloses an environmental protection dust fall system of high accuracy, including establishing the shower support in the feed bin top, be equipped with shower, nozzle, supply channel, solenoid valve on the shower support, still be equipped with the acoustic control switch on the shower support, the solenoid valve is in response to the acoustic control switch. An object of the utility model is to provide an environmental protection dust fall system of high accuracy, the mode through the acoustic control realizes spraying, has better precision.
Description
Technical field
The utility model relates to concrete equipment technical field, especially a kind of high-precision environmental protection dust falling system.
Background technology
In concrete mixing plant production process, sand material loads sandstone feed bin with loading machine usually, controlling Dump gate by cylinder is discharged in weigher, pass on oblique belt feeder through flat belt machine after weighing, be conveyed in the Aggregate bucket of stirring host upper end again, finally to be discharged in stirring host and with other powder, liquid material mix and blend, or directly by material elevator, sand material is entered stirring host from sand material scale to stir, in the process, the certain dust of inevitable generation, particularly dry sand building stones dust is particularly serious, severe contamination air, the working environment of workers is poor.
For solving the problem, existing notification number be CN204710013U patent discloses a kind of automatic spray device for reducing dust, comprise: shower support, shower, nozzle, supply channel, spraying electromagnetic valve, optoelectronic switch, electric control box and energization delay relay, wherein, one end of described supply channel and water source are connected, and the other end is connected with described shower; Described shower is erected on described shower support, and described shower is provided with described nozzle; Described spraying electromagnetic valve is arranged on described supply channel, and described optoelectronic switch is connected with described electric control box; Described electric control box is connected with described spraying electromagnetic valve, and described energization delay relay is connected with described spraying electromagnetic valve with described electric control box.
In above-mentioned patent, automatic spray device for reducing dust is by optoelectronic switch to control spraying electromagnetic valve, and optoelectronic switch works as follows, when loading machine is near optoelectronic switch, and when being just triggered to optoelectronic switch during certain limit apart from little, controls sprinkling dust-removing device work.If there is certain buildup in feed bin, loading machine cannot lean on very near, and now, optoelectronic switch is failure to actuate, therefore, and automatic spray device for reducing dust existing defects in above-mentioned patent.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of high-precision environmental protection dust falling system, realizes spray, have better precision by the mode of acoustic control.
For achieving the above object, the utility model provides following technical scheme: a kind of high-precision environmental protection dust falling system, comprise the shower support be located at above feed bin, described shower support is provided with shower, nozzle, supply channel, magnetic valve, described shower support is also provided with audio-switch, and described magnetic valve is in response to audio-switch.
The utility model is set to further: described audio-switch is connected by anti-interference unit with magnetic valve, and described anti-interference unit comprises,
Logic gates, its input is coupled to audio-switch;
Multistage amplifier circuit, is coupled to the output of logic gates;
Antistatic unit, is coupled to multistage amplifier circuit and magnetic valve.
The utility model is set to further: described audio-switch is set to multiple, and multiple audio-switch is arranged in shower along the length direction of shower.
The utility model is set to further: the shower linkage section be positioned at directly over feed bin is provided with at least one audio-switch.
The utility model is set to further: described nozzle is atomizer.
The utility model is set to further: described atomizer is located at shower rotationally.
By adopting technique scheme, the utility model instead of optoelectronic switch by audio-switch, avoid the problem that optoelectronic switch can't detect loading machine, and between optoelectronic switch and magnetic valve, be provided with anti-interference unit, to improve the accuracy of detection of optoelectronic switch, each feed bin at least one audio-switch corresponding, also improves the sensitivity of detection, nozzle is set to atomizer and there is better spraying effect, make atomizer rotatably have wider spray scope.
Accompanying drawing explanation
Fig. 1 is the structure chart of dust falling system in the present embodiment;
Fig. 2 is the schematic diagram of anti-interference unit in the present embodiment.
Reference numeral: 1, support; 2, shower; 3, nozzle; 4, audio-switch; 5, feed bin; A, anti-interference unit; A1, logic gates; A2, multistage amplifier circuit; A3, infrared antistatic circuit.
Detailed description of the invention
Referring to figs. 1 through Fig. 2, embodiment of the present utility model is described further.
With reference to Fig. 1, dust falling system in this enforcement, comprises shower 2 support 1 be located at above feed bin 5, wherein shower 2 support 1 is provided with shower 2, nozzle 3, supply channel, magnetic valve, in addition, shower 2 support 1 is also provided with audio-switch 4, and magnetic valve is in response to audio-switch 4.
Such setting, when loading machine approaching feed bin 5, triggers optoelectronic switch action, thus Controlling solenoid valve action, now, water finally forms spray through nozzle 3 from supply channel again through shower 2.
Audio-switch 4 is set to multiple, and multiple audio-switch 4 is arranged in shower 2 along the length direction of shower 2.Shower 2 linkage section be positioned at directly over feed bin 5 is provided with at least one audio-switch 4.
Such setting, can expand the induction range of dust falling system in the present embodiment, and a place arranges multiple audio-switch 4, can improve the precision of induction.
In addition, nozzle 3 is set to atomizer 3; And make the rotatable (not shown) of atomizer 3, the spray scope of dust falling system in the present embodiment can be improved.
In addition, for improving the accuracy of detection of audio-switch 4, anti-interference unit A is provided with between audio-switch 4 and magnetic valve, can refer to Fig. 2, anti-interference unit A comprises, be coupled to bus to connect the communication signal of anti-interference unit A, and logical operation is carried out to this signal, to output control signals to logic gates A1, multistage amplifier circuit A2 is coupled to logic gates A1 with reception control signal, and multistage amplification is carried out to this signal, with output drive signal, antistatic unit is coupled to multistage amplifier circuit A2, the infrared antistatic circuit A3 of clamper is carried out with the electrostatic produced multistage amplifier circuit A2.
More particularly, logic gates A1 is the NAND gate of two-in-series, adopt 74LS00 gate chip herein, the input of logic gates A1 is coupled to bus, output is coupled to multistage amplifier circuit A2, multistage amplifier circuit A2 is second amplifying circuit, comprise the first triode Q1 and the second triode Q2, the load coupled of the second triode Q2 has infrared diode D3, the duty of infrared diode D3 plays vital effect to communication quality, infrared antistatic circuit A3 herein comprises BAV99 chip D1, D2 and infrared TVS pipe D4, wherein, TVS pipe is connected in parallel on infrared diode D3 two ends, no matter infrared diode D3 two ends produce forward electrostatic or reverse electrostatic, TVS pipe all can discharge its voltage and consume, in addition, also be connected to BAV99 chip D1, D2, BAV99 is herein drawn as the form of two diodes, to understand, BAV99 chip D1, D2 is also for discharging electrostatic, positive electrostatic is by BAV99 chip D1, D2 enters positive source, if negative electrostatic, GND Value is by BAV99 chip D1, D2 arrives electrostatic and produces end, negative electrostatic is consumed.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a high-precision environmental protection dust falling system, comprise the shower support be located at above feed bin, described shower support is provided with shower, nozzle, supply channel, magnetic valve, it is characterized in that: described shower support is also provided with audio-switch, and described magnetic valve is in response to audio-switch.
2. high-precision environmental protection dust falling system according to claim 1, is characterized in that: described audio-switch is connected by anti-interference unit with magnetic valve, and described anti-interference unit comprises,
Logic gates, its input is coupled to audio-switch;
Multistage amplifier circuit, is coupled to the output of logic gates;
Antistatic unit, is coupled to multistage amplifier circuit and magnetic valve.
3. high-precision environmental protection dust falling system according to claim 2, it is characterized in that: described audio-switch is set to multiple, multiple audio-switch is arranged in shower along the length direction of shower.
4. high-precision environmental protection dust falling system according to claim 3, is characterized in that: the shower linkage section be positioned at directly over feed bin is provided with at least one audio-switch.
5. high-precision environmental protection dust falling system according to claim 1, is characterized in that: described nozzle is atomizer.
6. high-precision environmental protection dust falling system according to claim 5, is characterized in that: described atomizer is located at shower rotationally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521054864.8U CN205219449U (en) | 2015-12-17 | 2015-12-17 | Environmental protection dust fall system of high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521054864.8U CN205219449U (en) | 2015-12-17 | 2015-12-17 | Environmental protection dust fall system of high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205219449U true CN205219449U (en) | 2016-05-11 |
Family
ID=55894541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521054864.8U Expired - Fee Related CN205219449U (en) | 2015-12-17 | 2015-12-17 | Environmental protection dust fall system of high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205219449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215784A (en) * | 2019-07-18 | 2019-09-10 | 上海宝冶建筑工程有限公司 | Spraying device for removing dust and depositing dust spraying system |
-
2015
- 2015-12-17 CN CN201521054864.8U patent/CN205219449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110215784A (en) * | 2019-07-18 | 2019-09-10 | 上海宝冶建筑工程有限公司 | Spraying device for removing dust and depositing dust spraying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160511 Termination date: 20211217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |