CN207752399U - A kind of cleaning coal car automatic control system - Google Patents
A kind of cleaning coal car automatic control system Download PDFInfo
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- CN207752399U CN207752399U CN201820185926.6U CN201820185926U CN207752399U CN 207752399 U CN207752399 U CN 207752399U CN 201820185926 U CN201820185926 U CN 201820185926U CN 207752399 U CN207752399 U CN 207752399U
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Abstract
The utility model discloses a kind of cleaning coal car automatic control systems, are related to automatic control technology field, including main control loop and secondary circuit, including：Main control loop includes the first power supply, knife-like switch, first fuse, A.C. contactor main contacts and water pump, first power supply is connect with knife-like switch, knife-like switch is connect with first fuse, and first fuse is connect with A.C. contactor main contacts, and A.C. contactor main contacts is connect with water pump；Secondary circuit includes that second source, second fuse, ac contactor coil, the normally opened auxiliary contact of A.C. contactor, the time relay and relay normally open contact, the time relay include time relay normally closed contact and time relay coil.The utility model advantage is：The system structure is simple, and consumption manpower is less, at low cost, efficient.
Description
Technical field
The utility model is related to automatic control technology fields, are more particularly to a kind of cleaning coal car automatic control system.
Background technology
With social development, electrical control is used widely, wherein the design composition of electric control circuit is regular
It is governed, it can also form electricity according to the rule of the variable parameter of process control by circuit design at interlocked control rule
Gas control circuit.Such as the course of work of electric control motor, wherein the single-phase direct-on-line starting of threephase asynchronous, stopping
Shown in the major loop of control circuit such as Fig. 1 (a), secondary circuit such as Fig. 1 (b), major loop includes power supply 110, knife-like switch 120, melts
Disconnected device 130, A.C. contactor main contacts 140, motor 150, secondary circuit includes button 160, the normally opened auxiliary of A.C. contactor
Contact 143, ac contactor coil 141, button 161.When startup, knife-like switch 120 is closed, by lower button 161 so that exchange connects
Tentaculum coil 141 has electricity, then A.C. contactor main contacts 140 is closed, to which motor connecting power starts, while ac contactor
The normally opened auxiliary contact of device 143 are also closed so that ac contactor coil 141 is powered, in this way, when release button 161, exchange connects
Tentaculum coil 141 is powered in the same old way is in attracting state, and motor is made to enter normal operation.The contact of contactor itself is relied in this way
The phenomenon that remaining powered on referred to as self-locking.It is utilized effectively in this present circuit control of self-locking.
In existing life, the lorries such as dress sand, soil or coal car are substantially without the fixed cargo transport covered, are being transported
Due to air-flow relative motion and blowing can cause a large amount of dust or coal dust to fly upward in journey, the loss of cargo is not only caused, more
It is important that dust and coal dust cause the environmental pollution of both sides of highway, to the body of staff and life resident in both sides of highway
Heart health care belt centainly endangers.
In the prior art, some measures, existing watering dress are also taken for environmental pollution caused by lorry or coal car
It sets complicated, needs manually to open sprinkling system, it is therefore desirable to more manpower is consumed, to which of high cost, efficiency is low.
Utility model content
The technical problem to be solved by the utility model is to it is complicated, need to consume more manpower, provide a kind of clear
Coal washing vehicle automatic control system and method.
The utility model is that solution above-mentioned technical problem, specific technical solution are as follows by the following technical programs：
A kind of cleaning coal car automatic control system, for controlling water pump, including main control loop and secondary circuit, including：Institute
It includes the first power supply, knife-like switch, first fuse, A.C. contactor main contacts and water pump, first power supply to state main control loop
It is connect with the knife-like switch, the knife-like switch is connect with the first fuse, the first fuse and the ac contactor
Device main contacts connects, and the A.C. contactor main contacts is connect with the water pump；
The secondary circuit includes second source, second fuse, ac contactor coil, the normally opened auxiliary of A.C. contactor
Contact, the time relay and relay normally open contact, the time relay include time relay normally closed contact and time after
Electric apparatus coil；One end of the second source is connect with the second fuse, the other end of second source and the relay
Normally opened contact is connected with the normally opened auxiliary contact of the A.C. contactor, the other end of the second fuse and the ac contactor
Device coil is connected with the time relay coil, and the other end of the ac contactor coil and the time relay are normally closed
Contact portion, the other end of the time relay normally closed contact and the relay normally open contact, the A.C. contactor are normal
It opens auxiliary contact to connect with the time relay coil, the other end of the time relay coil and the A.C. contactor
Normally opened auxiliary contact are connected with the relay normally open contact, and the relay normally open contact is normally opened auxiliary with the A.C. contactor
Help contact portion.
Preferably, further include signal acquisition circuit, the signal acquisition circuit include photoelectric sensor, first resistor R1,
Second resistance R2,3rd resistor R3, capacitance C, NPN type triode, diode VD, relay coil and DC power supply；The light
Electric transducer one end is connect with DC power anode, and the photoelectric sensor other end is connect with first resistor R1, and described first
The resistance R1 other ends are connect with second resistance R2,3rd resistor R3, capacitance C, the second resistance R2 other ends ground connection, the electricity
Hold C other ends ground connection, the 3rd resistor R3 other ends are connect with NPN type triode base stage, the current collection of the NPN type triode
Pole is connect with diode VD anodes, and the emitter ground connection of the NPN type triode, the diode VD cathode and DC power supply are just
Pole connects.
Preferably, the photoelectric sensor is NPN open types.
Preferably, the NPN type triode selects 9013 models.
Preferably, the DC power supply selects 15V power supplys.
Preferably, first power supply is three-phase alternating-current supply.
Preferably, the second source is 220V AC powers.
Preferably, the water pump being capable of the immersible pump with alternating current 220V to 660V, booster pump or car-wash pump.
The utility model has the following advantages compared with prior art：
1, in the utility model using power supply, knife-like switch, fuse, ac contactor coil, A.C. contactor main contacts,
The normally opened auxiliary contact of A.C. contactor, time relay coil, time relay normally closed contact, signal acquisition circuit, photoelectric transfer
Sensor and water pump, water pump automatic pumping can be realized by forming automatic control system by these devices, the system structure is simple,
Convenient, consumption manpower is less, at low cost, efficient.
2, the power supply of main control loop is three phase mains in the utility model, can the immersible pump with alternating current 220V to 660V,
Booster pump or car-wash pump, selectivity are relatively more.
3, the time relay in the utility model can be directly set according to demand, make water pump work within the preset time
Make, to which the time of water pump watering is flexible；The transmitting terminal of photoelectric sensor can be adjusted with receiving terminal according to place simultaneously,
The range of signal detection is adjusted, flexibly, conveniently to the then system.
Description of the drawings
Fig. 1 (a) is the major loop schematic diagram of the single-phase direct-on-line starting of threephase asynchronous, stopping control circuit.
Fig. 1 (b) be the single-phase direct-on-line starting of threephase asynchronous, stopping control circuit the secondary circuit of major loop show
It is intended to.
Fig. 2 is a kind of structural schematic diagram of cleaning coal car automatic control system of the utility model embodiment.
Specific implementation mode
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
As shown in Fig. 2, a kind of main control loop of cleaning coal car automatic control system includes power supply 210, knife-like switch 220, melts
Disconnected device 230, A.C. contactor main contacts 241 and water pump 280, power supply 210 are connect with knife-like switch 220, knife-like switch 220 and fuse
230 connections, fuse 230 are connect with A.C. contactor main contacts 241, and A.C. contactor main contacts 241 is connect with water pump 280.
Secondary circuit includes power supply 211, fuse 231, ac contactor coil 240, time relay coil 250, hands over
Flow the normally opened auxiliary contact 242 of contactor, time relay normally closed contact 251 and relay normally open contact 261, power supply 211 with it is molten
Disconnected device 231 connects, and the other end and relay normally open contact 261 and the normally opened auxiliary contact 242 of A.C. contactor of power supply 211 connect
It connects, the other end of fuse 231 is connect with ac contactor coil 240 and time relay coil 250, ac contactor coil
240 other end is connect with time relay normally closed contact 251, the other end and relay of time relay normally closed contact 251
The normally opened auxiliary contact 242 of normally opened contact 261, A.C. contactor and time relay coil 250 connect, time relay coil
250 other end is connect with the normally opened auxiliary contact 240 of A.C. contactor and relay normally open contact 261, relay normally open contact
The both ends of the normally opened auxiliary contact of 261 both ends and A.C. contactor 242 are connect.
Signal acquisition circuit includes photoelectric sensor 270,4K Ω resistance R1,1K Ω resistance R2,1K Ω resistance R3,10uF electricity
Hold C, NPN type triode 9013, diode VD, relay coil 260 and 15V DC power supplies.270 one end of photoelectric sensor with
15V DC power anodes connect, and 270 other end of photoelectric sensor is connect with resistance R1, the resistance R1 other ends and resistance R2, resistance
R3 is connected with capacitance C, resistance R2 other ends ground connection, capacitance C other ends ground connection, the resistance R3 other ends and NPN type triode 9013
Base stage connects, and the collector of NPN type triode 9013 is connect with diode VD anodes, and the emitter of NPN type triode 9013 connects
Ground, diode VD cathode are connect with 15V DC power anodes.Wherein, signal acquisition circuit utilizes the full of NPN type triode 9013
With the operation principle of state, when voltage is greater than or equal to 0.7V between 9013 base stage of NPN type triode and emitter, collector
It is at saturation state between emitter, short circuit is equivalent between collector and emitter.
Wherein, photoelectric sensor 270 is NPN open types, and the receiving terminal of photoelectric sensor 270 and the distance of transmitting terminal can
It is adjusted according to place；Power supply 210 is three-phase alternating-current supply, and power supply 211 is 220V AC powers；Water pump 280 can be with friendship
Flow immersible pump, booster pump or the car-wash pump of 220V to 660V；Fuse is to prevent short circuit from burning out in circuit to protect circuit
Device.
Specifically, opening power supply 210 and power supply 211, the delay of the time relay is set by the knob of the time relay
Turn-off time, i.e. water pump 280 sprinkle water the time, and knife-like switch 220 is closed, when coal car passes through automatic car washing point, photoelectric sensor
270 receiving terminal is sheltered from by coal car, then the receiving terminal of photoelectric sensor 270 does not receive signal, photoelectric sensor 270 it is normal
It opens contact to be closed, the base stage of NPN type triode obtains 0.7V or more voltages, and NPN type triode is in saturation state, current collection
Short circuit is equivalent between pole and emitter so that relay coil 260 obtains electric, the relay normally open contact 261 in secondary circuit
It is closed, after the relay normally open contact 261 in secondary circuit is closed, ac contactor coil 240 obtains electric, A.C. contactor
Coil 240 it is electric after, A.C. contactor main contacts 241 and the normally opened auxiliary contact 242 of A.C. contactor are closed, and secondary circuit is in
Conducting state, after A.C. contactor main contacts 241 is closed so that the water pump 280 in main control loop obtains electricity operation, and water pump 280 obtains
Electricity operation, water pump 280 start to sprinkle water, then water pump 280 works.Meanwhile moment disconnects again after the closure of relay normally open contact 261.
Meanwhile secondary circuit is in the conduction state so that time relay coil 250 it is electric, time relay coil 250 it is electric after,
Time relay normally closed contact 251 is closed, and starts timing to the time relay, when reaching the time that scheduled delay disconnects,
Time relay normally closed contact 251 disconnects so that ac contactor coil 240 powers off；After ac contactor coil 240 powers off,
So that A.C. contactor main contacts 241 and the normally opened auxiliary contact of A.C. contactor 242 are switched to be off by closed state,
Then secondary circuit is in off-position, and after A.C. contactor main contacts 241 disconnects, water pump 280 is automatically stopped operation so that water pump
280 stop watering, then water pump 280 is stopped.
In the utility model relay coil 260 is controlled by the way that whether the receiving terminal of photoelectric sensor 270 receives signal
Must be electric, to control the closure of relay normally open contact 261 or off-state, so that whether secondary circuit is on shape
State, whether secondary circuit is connected so that the water pump 280 in main control loop is working condition or halted state, wherein water pump 280
The watering time be that can scheduled prolong be set according to field demand by the way that scheduled delay turn-off time is arranged to the time relay
When turn-off time, then the system structure is simple, required manpower is less, to it is at low cost, execution efficiency is high.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (8)
1. a kind of cleaning coal car automatic control system, for controlling water pump, including main control loop and secondary circuit, feature exist
In, including：The main control loop includes the first power supply, knife-like switch, first fuse, A.C. contactor main contacts and water pump, institute
It states the first power supply to connect with the knife-like switch, the knife-like switch is connect with the first fuse, the first fuse and institute
The connection of A.C. contactor main contacts is stated, the A.C. contactor main contacts is connect with the water pump；
The secondary circuit includes that second source, second fuse, the normally opened auxiliary of ac contactor coil, A.C. contactor are touched
Point, the time relay and relay normally open contact, the time relay include time relay normally closed contact and time relay
Device coil；One end of the second source is connect with the second fuse, and the other end of second source and the relay are normal
It opens contact to connect with the normally opened auxiliary contact of the A.C. contactor, the other end of the second fuse and the A.C. contactor
Coil is connected with the time relay coil, and the other end of the ac contactor coil is normally closed tactile with the time relay
Point connection, the other end of the time relay normally closed contact and the relay normally open contact, the A.C. contactor are normally opened
Auxiliary contact are connected with the time relay coil, and the other end of the time relay coil and the A.C. contactor are normal
It opens auxiliary contact to connect with the relay normally open contact, the relay normally open contact and the normally opened auxiliary of the A.C. contactor
Contact portion.
2. a kind of cleaning coal car automatic control system according to claim 1, which is characterized in that further include signal acquisition electricity
Road, the signal acquisition circuit include photoelectric sensor, first resistor R1, second resistance R2,3rd resistor R3, capacitance C, NPN
Type triode, diode VD, relay coil and DC power supply；Described photoelectric sensor one end is connect with DC power anode,
The photoelectric sensor other end is connect with first resistor R1, the first resistor R1 other ends and second resistance R2, third electricity
R3, capacitance C connections, the second resistance R2 other ends ground connection are hindered, the capacitance C other ends are grounded, and the 3rd resistor R3 is another
One end is connect with NPN type triode base stage, and the collector of the NPN type triode is connect with diode VD anodes, the NPN type
The emitter of triode is grounded, and the diode VD cathode are connect with DC power anode.
3. a kind of cleaning coal car automatic control system according to claim 2, which is characterized in that the photoelectric sensor is
NPN open types.
4. a kind of cleaning coal car automatic control system according to claim 2, which is characterized in that the NPN type triode
Select 9013 models.
5. a kind of cleaning coal car automatic control system according to claim 2, which is characterized in that the DC power supply is selected
15V power supplys.
6. a kind of cleaning coal car automatic control system according to claim 1, which is characterized in that first power supply is three
Phase AC power.
7. a kind of cleaning coal car automatic control system according to claim 1, which is characterized in that the second source is
220V AC powers.
8. a kind of cleaning coal car automatic control system according to claim 1, which is characterized in that the water pump can be with friendship
Flow immersible pump, booster pump or the car-wash pump of 220V to 660V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820185926.6U CN207752399U (en) | 2018-02-02 | 2018-02-02 | A kind of cleaning coal car automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820185926.6U CN207752399U (en) | 2018-02-02 | 2018-02-02 | A kind of cleaning coal car automatic control system |
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| Publication Number | Publication Date |
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| CN207752399U true CN207752399U (en) | 2018-08-21 |
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ID=63154645
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820185926.6U Active CN207752399U (en) | 2018-02-02 | 2018-02-02 | A kind of cleaning coal car automatic control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190620A (en) * | 2019-03-07 | 2019-08-30 | 埃斯倍风电科技(青岛)有限公司 | A kind of high pressure of pitch-controlled system passes through circuit and method |
-
2018
- 2018-02-02 CN CN201820185926.6U patent/CN207752399U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190620A (en) * | 2019-03-07 | 2019-08-30 | 埃斯倍风电科技(青岛)有限公司 | A kind of high pressure of pitch-controlled system passes through circuit and method |
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