CN208532085U - The operation control system of hoist engine - Google Patents
The operation control system of hoist engine Download PDFInfo
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- CN208532085U CN208532085U CN201821127989.2U CN201821127989U CN208532085U CN 208532085 U CN208532085 U CN 208532085U CN 201821127989 U CN201821127989 U CN 201821127989U CN 208532085 U CN208532085 U CN 208532085U
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- hoist engine
- phase firewire
- control system
- operation control
- contactor
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Abstract
The utility model provides a kind of operation control system of hoist engine, including incoming relay-protection circuit, driving circuit, communicating circuit, master controller；The input of the incoming relay-protection circuit terminates three-phase firewire A, B, C, three-phase firewire L11, L12, the L13 of output termination after protection；The driving circuit takes electricity from three-phase firewire L11, L12, L13, and drives the hoisting motor and brake of hoist engine；Master controller realizes the synchronously control to more hoist engines by communicating circuit.The utility model can individually to control between each hoist engine and linkage control, greatly improves safety；Control function and defencive function are more complete simultaneously.
Description
Technical field
The utility model relates to a kind of control device, especially a kind of operation control system of hoist engine.
Background technique
General existing hoist engine is that separate unit operation control needs more people to grasp when all more hoist engines of yard
Control.When with a certain distance from elevator machine travel or the object of promotion have from control room or not in range of visibility, Field Force is needed
It is conveyed and is instructed by intercom.Sometimes because operating condition and signal interference are affected, malfunction even safety accident is generated.When need
When multiple suspension centres being wanted to work asynchronously, propagandaing directed to communicate to control synchronism for commanding can only be relied on, there are security risks.
In addition, existing hoist engine drive circuit functionality is incomplete comprehensively, it is difficult to meet the needs of controlling.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of operation control system of hoist engine, and each
It can individually be controlled between hoist engine and linkage control, greatly improve safety, the cooperation reduced between operator is lost
Accidentally, the harmony between each machine is improved.The technical solution adopted in the utility model is:
A kind of operation control system of hoist engine, including incoming relay-protection circuit, driving circuit, communicating circuit, master controller；
The input of the incoming relay-protection circuit terminates three-phase firewire A, B, C, three-phase firewire of the output termination after protection
L11,L12,L13；
The driving circuit takes electricity from three-phase firewire L11, L12, L13, and drives the hoisting motor and brake of hoist engine；
Master controller realizes the synchronously control to more hoist engines by communicating circuit.
Specifically, incoming relay-protection circuit includes: that three-phase firewire A, B, C connect the one end main breaker QS, another from main breaker QS
One end picks out three-phase firewire L1, L2, L3；Three-phase firewire L1, L2, L3 connect the one end total contactor KM normally opened contact KM-1, from total
The contactor KM normally opened contact KM-1 other end picks out three-phase firewire L11, L12, L13；
End of incoming cables connection three-phase firewire L1, L2, L3 and neutral conductor N of supply monitor；One is equipped in supply monitor to open
K1 is closed, K1 is closed when the three phase mains monitored is normal, if depositing unusual switch K1 disconnection；Connect to neutral N for one end of switch K1, separately
One total contactor KM coil one end of termination, total another termination three-phase firewire L11, L12, L13 of contactor KM coil wherein one.
Specifically, driving circuit includes: the power end of three-phase firewire L11, L12, L13 access frequency converter U1；Frequency converter U1
Starting control terminal, rotate forward control terminal, reversion control terminal connect the one end switch KA1, KA2, KA3 respectively, switch KA1, KA2, KA3 are another
The common end of one termination frequency converter U1；The speed of frequency converter U1 adjusts the adjustable side of termination variable resistance R1, variable resistance R1's
Both ends are grounded respectively and a reference voltage end of frequency converter U1；The raising of the motor control termination driving hoist engine of frequency converter U1
Motor M；
In the driving circuit, the motor M2 connection heat protective device FR1 of low brake, heat protective device FR1 connection connect
Tentaculum KM2 normally opened contact one end, another termination three-phase firewire L11, L12, L13 of contactor normally opened contact KM2；High-speed brake is set
There is at least one；The motor of high-speed brake connects heat protective device FR2, the normally opened touching of heat protective device FR2 connection contactor KM3
Point one end, another termination three-phase firewire L11, L12, L13 of contactor KM3 normally opened contact.
Further, frequency converter U1 is also connected with brake unit U2, brake unit U2 connection braking resistor R2.
Further, frequency converter U1 is also connected with alarm lamp L1.
Further, the operation control system of the hoist engine is additionally provided with blower, blower motor M1 connection three-phase fire
Line L11, L12, L13.
Specifically, communicating circuit includes: that a master controller passes through the multiple frequency conversions of Profibus-DP connection connection respectively
Device；Each frequency converter connects the hoisting motor of a hoist engine.
Further, the operation control system of hoist engine further includes height limitation sensor, and height limitation sensor connects
Connect master controller.
Utility model has the advantages that
1) it can individually be controlled between each hoist engine and linkage control, greatly improve safety, reduce operator
Between combination miss, improve the harmony between each machine.
2) control function is complete, can satisfy the various controls such as raising, braking.
3) it has high economic benefit and safety benefit.
Detailed description of the invention
Fig. 1 is the incoming relay-protection circuit diagram of the utility model.
Fig. 2 is the drive circuit schematic diagram of the utility model.
Fig. 3 is the communicating circuit schematic diagram of the utility model.
Specific embodiment
Below with reference to specific drawings and examples, the utility model is described in further detail.
The utility model provides a kind of operation control system (hereinafter referred to as control system) of hoist engine, using 380V
The power supply of 50HZ standard industry three-phase electricity, the control system are mounted in a control cabinet；It is high-power due to building site spread of voltage
Electric appliance is more, and power network fluctuation is larger, be easy to cause motor or other equipment burnouts, therefore the three-phase electricity for accessing control cabinet is wanted
First carry out overvoltage, under-voltage, open-phase protection；
As shown in Figure 1, being provided with incoming relay-protection circuit, incoming relay-protection circuit includes: that three-phase firewire A, B, C connect main breaker
The one end QS picks out three-phase firewire L1, L2, L3 from the main breaker QS other end；Three-phase firewire L1, L2, L3 connect total contactor KM
The one end normally opened contact KM-1 picks out three-phase firewire L11, L12, L13 from total contactor KM normally opened contact KM-1 other end；
End of incoming cables connection three-phase firewire L1, L2, L3 and neutral conductor N of supply monitor；One is equipped in supply monitor to open
K1 is closed, K1 is closed when the three phase mains monitored is normal；If it exists when overvoltage, under-voltage or phase shortage, switch K1 is disconnected；Switch
Connect to neutral N for one end of K1, another total contactor KM coil one end of termination, total another termination three-phase firewire of contactor KM coil
L11, L12, L13 wherein one；
As shown in Fig. 2, driving circuit includes: the power end of three-phase firewire L11, L12, L13 access frequency converter U1；Frequency converter
Starting control terminal, rotating forward control terminal, the reversion control terminal of U1 meets the one end switch KA1, KA2, KA3, switch KA1, KA2, KA3 respectively
The common end of another termination frequency converter U1；The speed of frequency converter U1 adjusts the adjustable side of termination variable resistance R1, variable resistance R1
Both ends be grounded respectively and a reference voltage end of frequency converter U1, which exports 10v voltage；By adjusting R1,
The revolving speed of adjustable hoisting motor M；The hoisting motor M of the motor control termination driving hoist engine of frequency converter U1；In addition can also lead to
PLC is crossed to control the revolving speed of the frequency of frequency converter and hoisting motor；Master controller uses PLC in the present embodiment；
More preferably, frequency converter U1 is also connected with brake unit U2, brake unit U2 connection braking resistor R2；Hoisting motor is being lost
When removing power supply, since rotor and the inertia of load can also continue spin for some time, at this moment, since rotor current still remains,
Motor can send out electric current to source side, at this moment, brake unit U2 and braking resistor R2 are responsible for consuming this part as generator
The electric current of feedback；R2 is multiple resistor coupled in parallel；
More preferably, frequency converter U1 is also connected with alarm lamp L1；
More preferably, blower, blower motor M1 connection three-phase firewire L11, L12, L13 are additionally provided with；
The brake of hoist engine includes low brake and high-speed brake；When hoist engine starts, need first to open high speed
Brake, then frequency converter U1 is obtained electric, is prepared hoisting motor M and is brought into operation；Hoisting motor M needs to open simultaneously low speed when running
Brake；
In the driving circuit, the motor M2 connection heat protective device FR1 of low brake, heat protective device FR1 connection connect
Tentaculum KM2 normally opened contact one end, another termination three-phase firewire L11, L12, L13 of contactor normally opened contact KM2；High-speed brake is set
There is one or two；Motor M3, M4 of high-speed brake connect heat protective device FR2, heat protective device FR2 connection contactor
KM3 normally opened contact one end, another termination three-phase firewire L11, L12, L13 of contactor KM3 normally opened contact；Above-mentioned low brake and
High-speed brake cooperation, can be realized zero-speed band-type brake, can be controlled at full speed, reduce vibration and band-type brake abrasion when band-type brake closure,
Make to stop more stable.
It should be noted that not drawing the communication interface of frequency converter in Fig. 2；
Communicating circuit connects multiple frequency conversions as shown in figure 3, a master controller passes through Profibus-DP connection respectively
Device；Each frequency converter connects the hoisting motor of a hoist engine；Master controller uses PLC, a PLC that can control multiple elevators
Machine is synchronous to be risen；
More preferably, the operation control system of hoist engine further includes height limitation sensor, height limitation sensor connection master
Controller, for controlling the final position of rising and decline.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (8)
1. a kind of operation control system of hoist engine, which is characterized in that including incoming relay-protection circuit, driving circuit, communicating circuit,
Master controller；
The input of the incoming relay-protection circuit terminates three-phase firewire A, B, C, three-phase firewire L11 of the output termination after protection,
L12,L13；
The driving circuit takes electricity from three-phase firewire L11, L12, L13, and drives the hoisting motor and brake of hoist engine；
Master controller realizes the synchronously control to more hoist engines by communicating circuit.
2. the operation control system of hoist engine as described in claim 1, which is characterized in that
Incoming relay-protection circuit includes: that three-phase firewire A, B, C connect the one end main breaker QS, picks out three-phase from the main breaker QS other end
Firewire L1, L2, L3；Three-phase firewire L1, L2, L3 connect the one end total contactor KM normally opened contact KM-1, normally opened from total contactor KM
The contact KM-1 other end picks out three-phase firewire L11, L12, L13；
End of incoming cables connection three-phase firewire L1, L2, L3 and neutral conductor N of supply monitor；A switch K1 is equipped in supply monitor,
K1 is closed when the three phase mains monitored is normal, if depositing unusual switch K1 disconnection；Connect to neutral N for one end of switch K1, the other end
Connect total contactor KM coil one end, total another termination three-phase firewire L11, L12, L13 of contactor KM coil wherein one.
3. the operation control system of hoist engine as described in claim 1, which is characterized in that
Driving circuit includes: the power end of three-phase firewire L11, L12, L13 access frequency converter U1；The starting of frequency converter U1 controls
End, rotating forward control terminal, reversion control terminal connect the one end switch KA1, KA2, KA3, another termination frequency conversion of switch KA1, KA2, KA3 respectively
The common end of device U1；The speed of frequency converter U1 adjusts the adjustable side of termination variable resistance R1, and the both ends of variable resistance R1 connect respectively
One reference voltage end on ground and frequency converter U1；The hoisting motor M of the motor control termination driving hoist engine of frequency converter U1；
In the driving circuit, the motor M2 connection heat protective device FR1 of low brake, heat protective device FR1 connection contactor
KM2 normally opened contact one end, another termination three-phase firewire L11, L12, L13 of contactor normally opened contact KM2；High-speed brake is equipped with extremely
It is one few；The motor of high-speed brake connects heat protective device FR2, heat protective device FR2 connection contactor KM3 normally opened contact one
End, another termination three-phase firewire L11, L12, L13 of contactor KM3 normally opened contact.
4. the operation control system of hoist engine as claimed in claim 3, which is characterized in that
Frequency converter U1 is also connected with brake unit U2, brake unit U2 connection braking resistor R2.
5. the operation control system of hoist engine as claimed in claim 3, which is characterized in that
Frequency converter U1 is also connected with alarm lamp L1.
6. the operation control system of hoist engine as claimed in claim 3, which is characterized in that
It is additionally provided with blower, blower motor M1 connection three-phase firewire L11, L12, L13.
7. the operation control system of hoist engine as described in claim 1, which is characterized in that
Communicating circuit includes: that a master controller passes through the multiple frequency converters of Profibus-DP connection connection respectively；Each frequency conversion
Device connects the hoisting motor of a hoist engine.
8. the operation control system of hoist engine as described in claim 1, which is characterized in that
The operation control system of hoist engine further includes height limitation sensor, and height limitation sensor connects master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821127989.2U CN208532085U (en) | 2018-07-17 | 2018-07-17 | The operation control system of hoist engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821127989.2U CN208532085U (en) | 2018-07-17 | 2018-07-17 | The operation control system of hoist engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208532085U true CN208532085U (en) | 2019-02-22 |
Family
ID=65388146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821127989.2U Active CN208532085U (en) | 2018-07-17 | 2018-07-17 | The operation control system of hoist engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208532085U (en) |
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2018
- 2018-07-17 CN CN201821127989.2U patent/CN208532085U/en active Active
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