CN109731420A - A kind of smart spraying drop haze device - Google Patents
A kind of smart spraying drop haze device Download PDFInfo
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- CN109731420A CN109731420A CN201811624082.1A CN201811624082A CN109731420A CN 109731420 A CN109731420 A CN 109731420A CN 201811624082 A CN201811624082 A CN 201811624082A CN 109731420 A CN109731420 A CN 109731420A
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Abstract
The invention belongs to airhandling equipment technical fields, disclose a kind of smart spraying drop haze device, including body, work drive motor, water tank and are arranged in body for controlling the control device of body working condition；Control device includes PM2.5 sensor, compact processor and control circuit, the output end of PM2.5 sensor and the input terminal of compact processor connect, the output end of compact processor is connect with work drive motor, it is compared and analyzed by the PM2.5 content data acquired to PM2.5 sensor, have whether compact processor control follow-up work motor works again, the manually-operated process of traditional drop haze equipment is abandoned, it is changed to drop the process of haze automatically, it is intelligentized while decreasing the waste of human resources and hydroelectric resources in drop haze process.
Description
Technical field
The invention belongs to airhandling equipment technical fields, and in particular to a kind of smart spraying drop haze device, more particularly to
A kind of smart spraying drop haze device of the construction site seriously polluted suitable for haze.
Background technique
Haze is as its name suggests mist and haze.But the difference of mist and haze is very big.Dust, sulfuric acid, nitric acid in air etc.
What the aerosol systems of grain object composition caused dysopia is haze.Haze always to lower settle, basin, mountain valley, low altitude area Plain,
Aweather/it is leeward be at the foot of the hill often easiest to particulate matter accumulated, these areas are all that humidity is big, and air flow property is low, give haze wound
Advantageous condition is made；In addition to calm quiet steady weather, the formation of inversion layer is also unfavorable for the diffusion of haze.Generally, due to
Solar radiation, it is higher closer to earth's surface temperature, hot-air can upward convection current, thus accelerate air flowing.And in certain situations, than
Such as early morning, after snowing, foggy weather, surface temperature is often lower than high-altitude, and cold air is in lower hot gas upper, and here it is inversion layers
The origin cause of formation.When atmosphere is in inversion layer, atmosphere is in stable state, and air flowing is few, and the probability for haze occur is high；Mankind's activity is made
At pollution be also haze formed a major reason.High energy consumption industry, resident's winter fire coal, vehicle exhaust, straw burn
And the sources such as engineering construction.
Although there is the appearance of fog gun machine to carry out the alleviation in some degree to haze pollution to a certain extent in recent years,
Traditional fog gun machine operates fog gun machine by manpower also in the stage manually controlled, when needing fog gun machine to work,
Manually opened fog gun machine is closed again after the completion of processing, and thus the drawbacks of traditional fog gun machine also shows:
1. waste of human resource, it is necessary to fog gun machine could be started in someone's guard and worked.
2. can not interpret to the working condition of fog gun machine, i.e., around, haze processing can not also be carried out in normal value
Detection, cannot timely close fog gun machine, cause the waste of hydroelectric resources.
3. fog gun machine Water in Water Tanks amount must be measured in real time, otherwise equipment idle running can substantially reduce fog gun machine
Service life.
4. handling, haze speed rhythm is slow, exist deal with improperly or it is processed work as the case where.
Summary of the invention
In order to solve the above problems existing in the present technology, it is an object of that present invention to provide a kind of smart spraying drop haze dresses
It sets more particularly to haze device drops in a kind of smart spraying of construction site seriously polluted suitable for haze.
The technical scheme adopted by the invention is as follows:
A kind of smart spraying drop haze device, including body, work drive motor, water tank and setting are used to control body in body
The control device of working condition；The output end of the control device is connect with work drive motor, controls work electricity by control device
The work of machine reaches the mode of control system operation, and then improves the process of drop haze, keeps drop haze process more intelligent.
Further, the control device includes PM2.5 sensor, compact processor and control circuit, and the PM2.5 is passed
Sensor is a kind of sensor for incuding PM2.5 content in air, the numerical value input compact processor provided from PM2.5 sensor,
Judged whether to start the equipment such as subsequent work drive motor by compact processor, keeps drop haze process more reasonable.
Further, the control circuit includes fuse FU, switch FR, button SB, contactor KM, change-over switch and electricity
The one end source indicator light HL, the fuse FU1 connects to power supply, and connects after the fuse other end connection switch FR, switch FR
It meets start button SB1 and start button SB2, the start button SB1 and start button SB2 is in parallel, start button SB1 and starting
Button SB2 is connected respectively at cut-off push button SB3 with cut-off push button SB4, cut-off push button SB3 and cut-off push button SB4 respectively with contact
Device KM1 is connected with the electromagnetic coil of contactor KM2, and contactor KM1, KM2 electromagnetic coil is connect with power supply indicator HL
One section of change-over switch is accessed afterwards, and the change-over switch other end connects power supply；Fuse FU1 is set in power supply in order to guarantee electricity
The safety on road occurs voltage in power supply and increases suddenly, and for example when thundery sky works, thunder and lightning makes the feelings that voltage increases suddenly
Condition；Starting switch provided with parallel connection and its subsequent conditioning circuit, are the stability in order to guarantee circuit, at one end when failure, circuit
Normal operating state can be still in；The power supply indicator of setting can prompt staff's circuit whether normal operation, just
In being monitored and safeguard to operating circuit.
Further, the control circuit includes work drive motor controlling brancher, and the work drive motor controlling brancher includes three
Phase power input L1, L2, L3 access disconnecting switch QA, the output end of the disconnecting switch QA after three-phase power input end
It is connect with the one end normally open contactor KM1, accesses normally open contactor after the normally open contactor KM1 other end connection fuse FU
The one end KM2, the normally open contactor KM2 other end connect electrothermal relay FR, the electrothermal relay FR other end connection work electricity
Machine M；Normally open contactor KM2 is met again in the normally open contactor KM1 back-connected fuse, is provided the foundation to the safety of circuit,
Because the present invention is a kind of drop haze device that can be worked when no staff guard, therefore multistage normally open contactor KM
Being arranged has better protecting effect to equipment such as the work drive motors connecting with operating circuit.
Further, the power supply branch of PM2.5 sensor and compact processor, the switch FR are equipped with after the switch FR
Transformer one end that power supply branch is arranged is accessed after connecting power supply, the transformer other end accesses three line power input L1；
Another end-coil of transformer is connect with compact processor, and compact processor is connect with PM2.5 sensor.
Further, the water tank is connect with external fluid delivery conduit road, and is arranged between the water tank and water supply line and is used
In the liquid-level switch of control water supply line inflow, because water tank is contacted with liquid for a long time, the case where considering danger of hazardous electrical discharges
Under, using liquid-level switch, liquid-level switch avoids the generation of drain conditions, improves safety as a kind of physical control element
Property；Furthermore setting liquid-level switch also functions to protective effect to work drive motor, prevents water tank lacks water, the feelings of work drive motor idle running
The generation of condition.
Further, the compact processor includes display screen and regulation button, and the effect of the regulation button is to lead to
A preset value, the numerical value and preset value acquired by PM2.5 sensor can be inputted into compact processor by overregulating button
Comparison to drive the work of follow-up work motor, the effect of the display screen be to observe the size for inputting preset value and
The data of the PM2.5 content of PM2.5 sensor acquisition.
Further, the engine body exterior is equipped with the protective shell for protecting body, since the mode of drop haze is by water mist
Impurity in air is subjected to capture to achieve the purpose that depositing dust, so state of the body often in humidity, to guarantee machine
The service life of body installs waterproof protective case additional outside body, and the setting of waterproof protective case decreases electric leakage feelings to a certain extent
The generation of condition.
Workflow of the present invention is as follows: PM2.5 content and being conveyed into related data small in PM2.5 sensor sensing air
Type processor, compact processor compare the data of acquisition with preset data, when PM2.5 content is higher than preset data,
Compact processor turn-on control circuit, each switch is in the conductive state in control circuit, so that work drive motor operation is controlled, it is right
Air carries out the processing of spray drop haze, and PM2.5 content declines in air after treatment, less than the preset data in compact processor
When, each switch in control circuit disconnects, the operation for the motor that stops working, and achievees the purpose that haze drops in intelligence.
It should be understood that preset value can be adjusted by the regulation button being arranged in compact processor； PM2.5
Sensor must acquire the data of data in a period of time after acquiring data, then have compact processor to calculate in this period
Average value, last output valve is also average value, avoids the occurrence of the excessive triggering contact of instantaneous value, make work drive motor enter it is excessive
The case where use.Compact processor determines average value and preset value, is greater than preset value, triggers contact, starts fog gun machine；
The guard mode of certain time is in after contact switch starting, when compact processor must allow contact that triggering state is kept to be kept for one section
Between, prevent work drive motor frequent starting from damaging, equally, work drive motor also sets the guard time of one section of duration after closing, and avoids
Short time is rapid to close work drive motor and is opened；It is worth noting that the compact processor proposed in the present invention
Working method is that those skilled in the art can achieve by the rewriting of the data to programmable controller, therefore herein not
It is repeated.
The invention has the benefit that
The content of present invention PM2.5 in through detection air, can automatically be handled PM2.5 in air, effectively
Air pollution is reduced, environment is protected, has saved human resources, is improved work efficiency.
Detailed description of the invention:
Fig. 1 is electric operation control circuit figure of the invention.
Specific embodiment
Further explaination is done to the present invention combined with specific embodiments below.
In the description of invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical", " water
It is flat ", "inner", the instructions such as "outside" orientation or positional relationship be to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", "
Three " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Embodiment 1:
The present embodiment provides a kind of smart sprayings to drop haze device, including body, work drive motor, water tank and setting are in body
For controlling the control device of body working condition；The output end of control device is connect with work drive motor, passes through control device control
The work of work drive motor processed reaches the mode of control system operation, and then improves the process of drop haze, keeps drop haze process more intelligent
Change.Wherein control device includes PM2.5 sensor, compact processor and control circuit, and PM2.5 sensor is a kind of induction air
The sensor of middle PM2.5 content, the numerical value input compact processor provided from PM2.5 sensor are by compact processor judgement
The equipment such as the no subsequent work drive motor of starting, keep drop haze process more reasonable.
Water tank is connect with external fluid delivery conduit road, and between water tank and water supply line setting for control water supply line into
The liquid-level switch of water, because water tank is contacted with liquid for a long time, in the case where considering danger of hazardous electrical discharges, using liquid-level switch,
Liquid-level switch avoids the generation of drain conditions, improves safety as a kind of physical control element；Furthermore setting liquid level is opened
The generation for the case where pass also functions to protective effect to work drive motor, prevents water tank lacks water, work drive motor idle running.
Compact processor includes display screen and regulation button, and the effect of regulation button is can be to small by regulation button
A preset value is inputted in type processor, the comparison of the numerical value and preset value that acquire by PM2.5 sensor is subsequent to drive
The work of work drive motor, the effect of display screen are to observe the PM2.5 of the size of input preset value and the acquisition of PM2.5 sensor
The data of content.
It is equipped with the protective shell for protecting body in engine body exterior, the mode due to dropping haze is will be miscellaneous in air by water mist
Matter carries out capture to achieve the purpose that depositing dust, so state of the body often in humidity, for the service life for guaranteeing body
Install waterproof protective case additional outside body, the setting of waterproof protective case decreases the generation of drain conditions to a certain extent.
Workflow of the present invention is as follows: PM2.5 content and being conveyed into related data small in PM2.5 sensor sensing air
Type processor, compact processor compare the data of acquisition with preset data, when PM2.5 content is higher than preset data,
Compact processor turn-on control circuit, each switch is in the conductive state in control circuit, so that work drive motor operation is controlled, it is right
Air carries out the processing of spray drop haze, and PM2.5 content declines in air after treatment, less than the preset data in compact processor
When, each switch in control circuit disconnects, the operation for the motor that stops working, and achievees the purpose that haze drops in intelligence.
Workflow of the present invention is as follows: PM2.5 content and being conveyed into related data small in PM2.5 sensor sensing air
Type processor, compact processor compare the data of acquisition with preset data, when PM2.5 content is higher than preset data,
Compact processor turn-on control circuit, each switch is in the conductive state in control circuit, so that work drive motor operation is controlled, it is right
Air carries out the processing of spray drop haze, and PM2.5 content declines in air after treatment, less than the preset data in compact processor
When, each switch in control circuit disconnects, the operation for the motor that stops working, and achievees the purpose that haze drops in intelligence.
It should be understood that preset value can be adjusted by the regulation button being arranged in compact processor； PM2.5
Sensor must acquire the data of data in a period of time after acquiring data, then have compact processor to calculate in this period
Average value, last output valve is also average value, avoids the occurrence of the excessive triggering contact of instantaneous value, make work drive motor enter it is excessive
The case where use.Compact processor determines average value and preset value, is greater than preset value, triggers contact, starts fog gun machine；
The guard mode of certain time is in after contact switch starting, when compact processor must allow contact that triggering state is kept to be kept for one section
Between, prevent work drive motor frequent starting from damaging, equally, work drive motor also sets the guard time of one section of duration after closing, and avoids
Short time is rapid to close work drive motor and is opened；It is worth noting that the compact processor proposed in the present invention
Working method is that those skilled in the art can achieve by the rewriting of the data to programmable controller, therefore herein not
It is repeated.
Embodiment 2:
The present embodiment is to optimize restriction on the basis of embodiment 1, and the present invention provides a kind of smart spraying drop haze dress
It sets, circuit is the basis that the present invention is run；The present invention includes control circuit and the motor control branch that is arranged in control circuit
With the power supply branch of PM2.5 sensor and compact processor.
Control circuit includes fuse FU, switch FR, button SB, contactor KM, change-over switch and power supply indicator HL, is melted
Disconnected one end device FU1 connects to power supply, and connects start button SB1 after the fuse other end connection switch FR, switch FR and starting is pressed
Button SB2, start button SB1 and start button SB2 are in parallel, and start button SB1 and start button SB2 are respectively at cut-off push button SB3
It is connected with cut-off push button SB4, cut-off push button SB3 and cut-off push button the SB4 electromagnetic wire with contactor KM1 and contactor KM2 respectively
Circle connection, one section of change-over switch of access after the connect with power supply indicator HL of contactor KM1, KM2 electromagnetic coil, change-over switch is another
One end connects power supply；Fuse FU1 is set in power supply in order to guarantee the safety of circuit, voltage occurs in power supply and increases suddenly
Height, for example when thundery sky works, the case where thunder and lightning increases voltage suddenly；Starting switch provided with parallel connection and its subsequent electricity
Road is the stability in order to guarantee circuit, and at one end when failure, circuit can still be in normal operating state；The electricity of setting
Source indicator light can prompt staff's circuit whether normal operation, convenient for being monitored and safeguarding to operating circuit.
Control circuit includes work drive motor controlling brancher, work drive motor controlling brancher include three-phase power input end L1,
L2, L3 access disconnecting switch QA, the output end of disconnecting switch QA and the one end normally open contactor KM1 after three-phase power input end
Connection, the normally open contactor KM1 other end access the one end normally open contactor KM2 after connecting fuse FU, and normally open contactor KM2 is another
End connection electrothermal relay FR, the electrothermal relay FR other end connect work drive motor M；It is connect again in normally open contactor KM1 back-connected fuse
Normally open contactor KM2 provides the foundation to the safety of circuit, because the present invention is that one kind can guard in no staff
When the drop haze device that can work, therefore the setting of multistage normally open contactor KM is to equipment such as the work drive motors connecting with operating circuit
There is better protecting effect.
The power supply branch of PM2.5 sensor and compact processor is equipped with after switch FR in control circuit, switch FR connects
Transformer one end that power supply branch is arranged is accessed after connecing power supply, the transformer other end accesses three line power input L1；Transformer
Another end-coil is connect with compact processor, and compact processor is connect with PM2.5 sensor.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific embodiment should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (8)
1. haze device drops in a kind of smart spraying, it is characterised in that: used in body including body, work drive motor, water tank and setting
In the control device of control body working condition；The control device includes PM2.5 sensor, compact processor and control electricity
The output end on road, the compact processor is connect with work drive motor.
2. haze device drops in a kind of smart spraying according to claim 1, it is characterised in that: the control circuit includes fusing
Device FU, switch FR, button SB, contactor KM, change-over switch and power supply indicator HL, the one end the fuse FU and power supply connect
It connects, start button SB1, start button SB1 and cut-off push button is connected after the fuse other end connection switch FR, switch FR
SB3 connection, cut-off push button SB3 are connect with the electromagnetic coil of contactor KM1, and the contactor KM1 electromagnetic coil refers to power supply
Change-over switch one end is accessed after showing lamp HL1 connection, the change-over switch other end connects power supply.
3. haze device drops in a kind of smart spraying according to claim 2, it is characterised in that: connect one after the switch FR
With the start button SB2 of the start button SB1, start button SB2 is connect with cut-off push button SB4, cut-off push button SB4 with contact
The electromagnetic coil of device KM2 connects, and the contactor KM2 electromagnetic coil is connect with power supply indicator HL2, the power supply indicator
Change-over switch is accessed after the output end of the output end connection power supply indicator HL1 of HL2.
4. haze device drops in a kind of smart spraying according to claim 2 or 3, it is characterised in that: the control circuit includes
Work drive motor controlling brancher, the work drive motor controlling brancher includes three-phase power input end, is followed by three-phase power input end
Enter disconnecting switch QA, the output end of the disconnecting switch QA is connect with the one end normally open contactor KM1, the normally open contactor KM1
The other end accesses the one end normally open contactor KM2 after connecting fuse FU, and the normally open contactor KM2 other end connects electrothermal relay
FR, the electrothermal relay FR other end connect work drive motor M.
5. haze device drops in a kind of smart spraying according to claim 3 or 4, it is characterised in that: be equipped with after the switch FR
The power supply branch of PM2.5 sensor and compact processor, the transformation of access power supply branch setting after the switch FR connection power supply
Device one end, the transformer other end access three line power input L1；Another end-coil of the transformer and compact processor
Connection, compact processor are connect with PM2.5 sensor.
6. haze device drops in a kind of smart spraying according to claim 1, it is characterised in that: the water tank and external fluid delivery conduit
Road connects, and the liquid-level switch for controlling water supply line inflow is arranged between the water tank and water supply line.
7. haze device drops in a kind of smart spraying according to claim 1, it is characterised in that: the compact processor includes aobvious
Display screen and regulation button.
8. haze device drops in a kind of smart spraying according to claim 1, it is characterised in that: the engine body exterior is equipped with and is used for
Protect the protective shell of body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624082.1A CN109731420B (en) | 2018-12-28 | 2018-12-28 | Haze device falls in intelligence spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811624082.1A CN109731420B (en) | 2018-12-28 | 2018-12-28 | Haze device falls in intelligence spraying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109731420A true CN109731420A (en) | 2019-05-10 |
| CN109731420B CN109731420B (en) | 2021-07-13 |
Family
ID=66361889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811624082.1A Active CN109731420B (en) | 2018-12-28 | 2018-12-28 | Haze device falls in intelligence spraying |
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| CN (1) | CN109731420B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201687510U (en) * | 2010-05-18 | 2010-12-29 | 淮南矿业(集团)有限责任公司 | Purifying spraying system |
| CN204200543U (en) * | 2014-10-10 | 2015-03-11 | 金诚信矿业管理股份有限公司 | A kind of Full automatic electric control gear of submersible pump |
| CN205318242U (en) * | 2015-12-18 | 2016-06-15 | 浙江舜杰建筑集团股份有限公司 | Automatic pump control case circuit of dust fall spraying |
| CN107096339A (en) * | 2017-06-22 | 2017-08-29 | 无锡集安自动化科技有限公司 | A kind of new haze dust removes sprayer |
| CN206862837U (en) * | 2017-05-25 | 2018-01-09 | 石家庄兆荣科技有限公司 | A kind of airborne dust on-Line Monitor Device with linkage depositing dust function |
| CN108422259A (en) * | 2018-05-11 | 2018-08-21 | 王为灿 | A kind of self-starting dust-free purification equipment |
| CN207996522U (en) * | 2018-01-11 | 2018-10-23 | 山西正大恒通科技有限公司 | Online environment monitoring system and with on-line monitoring function water mist dust-removing system |
-
2018
- 2018-12-28 CN CN201811624082.1A patent/CN109731420B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201687510U (en) * | 2010-05-18 | 2010-12-29 | 淮南矿业(集团)有限责任公司 | Purifying spraying system |
| CN204200543U (en) * | 2014-10-10 | 2015-03-11 | 金诚信矿业管理股份有限公司 | A kind of Full automatic electric control gear of submersible pump |
| CN205318242U (en) * | 2015-12-18 | 2016-06-15 | 浙江舜杰建筑集团股份有限公司 | Automatic pump control case circuit of dust fall spraying |
| CN206862837U (en) * | 2017-05-25 | 2018-01-09 | 石家庄兆荣科技有限公司 | A kind of airborne dust on-Line Monitor Device with linkage depositing dust function |
| CN107096339A (en) * | 2017-06-22 | 2017-08-29 | 无锡集安自动化科技有限公司 | A kind of new haze dust removes sprayer |
| CN207996522U (en) * | 2018-01-11 | 2018-10-23 | 山西正大恒通科技有限公司 | Online environment monitoring system and with on-line monitoring function water mist dust-removing system |
| CN108422259A (en) * | 2018-05-11 | 2018-08-21 | 王为灿 | A kind of self-starting dust-free purification equipment |
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| CN109731420B (en) | 2021-07-13 |
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