CN209516619U - A kind of fog gun machine control device with open-phase protection - Google Patents
A kind of fog gun machine control device with open-phase protection Download PDFInfo
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- CN209516619U CN209516619U CN201920244189.7U CN201920244189U CN209516619U CN 209516619 U CN209516619 U CN 209516619U CN 201920244189 U CN201920244189 U CN 201920244189U CN 209516619 U CN209516619 U CN 209516619U
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Abstract
The utility model provides a kind of fog gun machine control device with open-phase protection, belongs to field of dust removal equipment.Its technical solution are as follows: the threephase asynchronous of water pump and blower is all made of star-like connection, further includes main circuit, control circuit and the open-phase protection circuit of threephase asynchronous；Main circuit includes the circuit one being made of the threephase asynchronous of the normally opened contact of A.C. contactor KM1 and water pump, the circuit two being made of the threephase asynchronous of the normally opened contact of A.C. contactor KM2 and blower；Control circuit includes the wireless control circuit being made of the coil of wireless control switch and A.C. contactor KM, the water pump control loop being made of the coil of the normally opened contact one of A.C. contactor KM and A.C. contactor KM1 and the control loop being made of the coil of the normally opened contact two of A.C. contactor KM and A.C. contactor KM2, further includes open-phase protection circuit.The utility model has the following beneficial effects: with open-phase protection and can realize the long-range control device for controlling fog gun machine.
Description
Technical field
The utility model relates to field of dust removal equipment more particularly to a kind of fog gun machine control devices with open-phase protection.
Background technique
With the gradually reinforcement that Environmental Protection in China is realized, the requirement to various industries is also increasingly stringenter, and is especially gone in building
Industry, construction site can generate a large amount of fugitive dusts, generate adverse effect to air quality, pollute environment.Currently, construction site is equal
The fugitive dust of construction site can be dusted using fog gun machine and depositing dust, and the fog gun machine of construction site needs hand at this stage
The dynamic starting pressed on control cabinet, close button start, close fog gun machine, it is therefore desirable to special messenger is arranged to go to be responsible for opening,
Fog gun machine is closed, a large amount of manpower will be wasted, and the also health of harmful staff at fugitive dust concentration.If fog gun
Machine may be implemented remotely to control, and can not only save a large amount of manpower, reduce influence of the fugitive dust to personnel's health.In addition,
Using long-range control fog gun machine, when fog gun machine breaks down, staff's distance farther out, cannot be handled in time, especially disconnected
Phase fault, in disconnected phase, fog gun machine can also work, if cannot handle in time, operation can be to mist in disconnected phase for fog gun machine
Big gun machine damages.
Utility model content
The purpose of this utility model is to provide a kind of with open-phase protection and can realize the control of long-range control fog gun machine
Device.
The utility model is achieved by the following technical solution: a kind of fog gun machine control device with open-phase protection,
Including fog gun machine and three phase mains with water pump and blower, which is characterized in that the three of the water pump and the blower are different
Step motor is all made of star-like connection, further includes main circuit, control circuit and the open-phase protection of the threephase asynchronous
Circuit；The main circuit includes being made of the threephase asynchronous of the normally opened contact of A.C. contactor KM1 and the water pump
Circuit one, the circuit two being made of the threephase asynchronous of the normally opened contact of A.C. contactor KM2 and the blower；Further include
Control circuit, the control circuit include that the wireless control being made of the coil of wireless control switch and A.C. contactor KM is returned
Road, the water pump control loop being made of the coil of the normally opened contact one of the A.C. contactor KM and A.C. contactor KM1 and
The air-blower control circuit being made of the coil of the normally opened contact two of the A.C. contactor KM and A.C. contactor KM2；Further include
Open-phase protection circuit, the open-phase protection circuit are connected between the neutral point of the star-like connection and the three phase mains.
The open-phase protection circuit includes wirewound potential meter, and the wirewound potential meter is connected on the neutral point and described three
Between phase power supply, the sliding end of the wirewound potential meter connects the half-wave rectifying circuit being made of diode, by resistance and capacitor
The RC filter circuit of composition and the voltage regulator circuit being made of zener diode, the output end connection of the voltage regulator circuit it is intermediate after
The coil of electric appliance K；The input of the wirewound potential meter terminates threephase asynchronous, exports terminal connecting zero line, further include with it is described
The normally-closed contact of the concatenated intermediate relay K of control circuit.
When due to threephase asynchronous three-phase windings phase shortage using star-like connection, i.e., when phase a certain in three phase mains is disconnected
Lu Shi, motor three-phase windings neutral point potential are not zero, and after rectified, filtering and pressure stabilizing, make the line of the intermediate relay K
Enclose electric, the normally-closed contact of the intermediate relay K disconnects, and makes electric motor circuit breaking, stator winding is protected not to be burned.
The main circuit is in series with fuse FU and disconnecting switch QS.
The intermediate relay uses the buckle self-locking with actuation.The intermediate relay by secured core, dynamic iron core,
Spring, movable contact, stationary contact, coil, connecting terminal and shell composition.Coil is powered, and dynamic iron core acts under electromagnetic force
It is attracted, drives movable contact movement, separate normally-closed contact, mechanical snap is provided on fixed armature, it can be in normally-closed contact
When being powered separately, the state being attracted can be kept under the action of mechanical snap, that is, normally-closed contact can also after power is turned off
To be in separated position, avoids normally-closed contact from resetting under the action of the spring after power is turned off, restarting fog gun machine.
The output end of the voltage regulator circuit is connected with buzzer.The effect of the buzzer can occur disconnected phase when,
It can sound an alarm, the buzzer can use the prior art.
The utility model has the following beneficial effects: control can carried out to fog gun machine at a distance and also there is open-phase protection
Function.
Detailed description of the invention
Fig. 1 is the main circuit and open-phase protection circuit figure of the utility model embodiment.
Fig. 2 is the electric operation control circuit figure of the utility model embodiment.
Specific embodiment
In order to clarify the technical characteristics of the invention, being illustrated below by specific embodiment to this programme.
Referring to Fig. 1-Fig. 2, the utility model is a kind of fog gun machine control device with open-phase protection, including with water pump
With the fog gun machine and three phase mains of blower, it further includes three that the threephase asynchronous of water pump and blower, which is all made of star-like connection,
Main circuit, control circuit and the open-phase protection circuit of phase asynchronous motor；Circuit includes the normally opened touching by A.C. contactor KM1
The circuit one that the threephase asynchronous of point and water pump is constituted, by A.C. contactor KM2 normally opened contact and blower it is three different
Walk motor drive mechanism at circuit two；It further include control circuit, control circuit includes by wireless control switch and A.C. contactor KM
Coil constitute wireless control circuit, be made of the coil of the normally opened contact one of A.C. contactor KM and A.C. contactor KM1
Water pump control loop and the blower control that is made of the coil of the normally opened contact two of A.C. contactor KM and A.C. contactor KM2
Circuit processed；It further include open-phase protection circuit, open-phase protection circuit is connected between the neutral point of star-like connection and three phase mains.
Open-phase protection circuit includes wirewound potential meter, and wirewound potential meter is connected between neutral point and three phase mains, line around
The sliding end connection half-wave rectifying circuit being made of diode of potentiometer, the RC filter circuit that is made of resistance and capacitor and
The voltage regulator circuit being made of zener diode, the coil of the output end connection intermediate relay K of voltage regulator circuit；Further include and controls
The normally-closed contact of the concatenated intermediate relay K of circuit.
When due to threephase asynchronous three-phase windings phase shortage using star-like connection, i.e., when phase a certain in three phase mains is disconnected
Lu Shi, motor three-phase windings neutral point potential are not zero, and after rectified, filtering and pressure stabilizing, make the line of the intermediate relay K
Enclose electric, the normally-closed contact of the intermediate relay K disconnects, and makes electric motor circuit breaking, stator winding is protected not to be burned.
Main circuit is in series with fuse FU and disconnecting switch QS.
Intermediate relay uses the buckle self-locking with actuation.Intermediate relay is by secured core, dynamic iron core, spring, dynamic
Contact, stationary contact, coil, connecting terminal and shell composition.Coil is powered, and dynamic iron core acts actuation, band under electromagnetic force
Dynamic movable contact movement, separates normally-closed contact, mechanical snap is provided on fixed armature, can be powered and separate in normally-closed contact
When, the state being attracted can be kept under the action of mechanical snap, that is, normally-closed contact also may be at point after power is turned off
Open state avoids normally-closed contact from resetting under the action of the spring after power is turned off, is restarting fog gun machine.
The output end of voltage regulator circuit is connected with buzzer.The effect of buzzer can be issued when phase is broken in appearance
Alarm, buzzer can use the prior art.
The model of the above electrical component can use, and KM, KM1 and KM2 A.C. contactor are using CJX series, intermediate relay
Device uses RC system using HD series, fuse FU using SWT0 series, disconnecting switch QS using RZ-D series, radio remote control switch
Column.Buzzer is using HRB series.
Use process: as long as pressing remote controler ON key, radio remote control switch will be closed, and A.C. contactor KM coil will
It is electric, normally opened contact will be closed, A.C. contactor KM1 and A.C. contactor KM2 coil will obtain it is electric so that on the main circuit
A.C. contactor KM1 and the normally opened contact KM1 and KM2 of A.C. contactor KM2 will be closed, water pump and blower just will start,
The starting of fog gun machine is completed in this way；As long as pressing remote controler OFF key, the radio remote control switch in control loop will break
Open, A.C. contactor KM coil will power loss, normally opened contact KM just will disconnect, A.C. contactor KM1 and A.C. contactor KM2 line
Circle will power loss, the normally opened contact KM1 and KM2 of A.C. contactor KM1 and A.C. contactor KM2 on the main circuit will break
It opens, water pump and blower will stop.
When phase open circuit a certain in three phase mains, motor three-phase windings neutral point potential is not zero, it is rectified, filtering and
After pressure stabilizing, obtain the coil of intermediate relay K electric, the normally-closed contact of intermediate relay K disconnects, and makes electric motor circuit breaking, and protection is fixed
Sub- winding is not burned, and buckle then prevents normally-closed contact from resetting, and manual reset is needed when restarting, buzzer is then used to alarm.
Technical characteristic of the utility model without description can realize that details are not described herein by or using the prior art,
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the those of ordinary skill in domain is made in the essential scope of the utility model, also should belong to
The protection scope of the utility model.
Claims (5)
1. a kind of fog gun machine control device with open-phase protection, including fog gun machine and three-phase electricity with water pump and blower
Source, which is characterized in that the threephase asynchronous of the water pump and the blower is all made of star-like connection, further includes the three-phase
Main circuit, control circuit and the open-phase protection circuit of asynchronous motor；
The main circuit includes time being made of the threephase asynchronous of the normally opened contact of A.C. contactor KM1 and the water pump
Lu Yi, the circuit two being made of the threephase asynchronous of the normally opened contact of A.C. contactor KM2 and the blower；
It further include control circuit, the control circuit includes the nothing being made of the coil of wireless control switch and A.C. contactor KM
Line traffic control circuit, the water pump being made of the coil of the normally opened contact one of the A.C. contactor KM and A.C. contactor KM1 control
Circuit and the air-blower control being made of the coil of the normally opened contact two of the A.C. contactor KM and A.C. contactor KM2 return
Road；
Further include open-phase protection circuit, the open-phase protection circuit be connected on the star-like connection neutral point and the three-phase electricity
Between source.
2. the fog gun machine control device according to claim 1 with open-phase protection, which is characterized in that the open-phase protection
Circuit includes wirewound potential meter, and the wirewound potential meter is connected between the neutral point and the three phase mains, the line around
The sliding end connection half-wave rectifying circuit being made of diode of potentiometer, the RC filter circuit that is made of resistance and capacitor and
The voltage regulator circuit being made of zener diode, the coil of the output end connection intermediate relay K of the voltage regulator circuit；
It further include the normally-closed contact with the concatenated intermediate relay K of the control circuit.
3. the fog gun machine control device according to claim 1 with open-phase protection, which is characterized in that the main circuit string
It is associated with fuse FU and disconnecting switch QS.
4. the fog gun machine control device according to claim 2 with open-phase protection, which is characterized in that the intermediate relay
Device uses the buckle self-locking with actuation.
5. the fog gun machine control device according to claim 2 with open-phase protection, which is characterized in that the voltage regulator circuit
Output end be connected with buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244189.7U CN209516619U (en) | 2019-02-27 | 2019-02-27 | A kind of fog gun machine control device with open-phase protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920244189.7U CN209516619U (en) | 2019-02-27 | 2019-02-27 | A kind of fog gun machine control device with open-phase protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209516619U true CN209516619U (en) | 2019-10-18 |
Family
ID=68204784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920244189.7U Active CN209516619U (en) | 2019-02-27 | 2019-02-27 | A kind of fog gun machine control device with open-phase protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209516619U (en) |
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2019
- 2019-02-27 CN CN201920244189.7U patent/CN209516619U/en active Active
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