CN206814163U - A kind of energy-conserving elevator control system - Google Patents
A kind of energy-conserving elevator control system Download PDFInfo
- Publication number
- CN206814163U CN206814163U CN201720605765.7U CN201720605765U CN206814163U CN 206814163 U CN206814163 U CN 206814163U CN 201720605765 U CN201720605765 U CN 201720605765U CN 206814163 U CN206814163 U CN 206814163U
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- China
- Prior art keywords
- energy
- control system
- central controller
- feed device
- elevator control
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- Expired - Fee Related
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Abstract
The utility model provides a kind of energy-conserving elevator control system, including user's power supply, main power switch, energy back feed device, central controller and motor；User's power supply connects described main power switch one end, and the main power switch other end connects the energy back feed device, and the energy back feed device connects the central controller side, and the central controller opposite side connects the motor；Phase sequence relay is also associated between the main power switch and the energy back feed device；An operation contactor is also associated between the central controller and the motor.The utility model has the advantages of energy feedback is abundant, energy-saving efficiency is high, feedback is accurate in time, has a wide range of application.
Description
Technical field
The utility model belongs to field of elevator control, and in particular to a kind of energy-conserving elevator control system.
Background technology
The use of elevator is now more and more, in the electricity consumption condition survey statistics to hotel, office building etc., elevator electricity consumption
Amount accounts for more than the 17%-25% of total electricity consumption, is only second to air conditioning electricity consumption, higher than the power consumption of illumination, water supply etc., it is therefore desirable to
Improvement is made to the energy saving of elevator.In, for the elevator using general Frequency Drive Control, in motor generator operation
When (elevator underloading is up or heavily loaded descending), busbar voltage is quickly raised due to the feedback of potential energy, it is necessary to release in time
Bleed off, typically realized by the way of brake unit and braking resistor, but this method does not save, and resistance heating is serious, causes
The temperature of computer room rises.
Patent office block and its energy-conserving elevator, application number (CN201620784094.0), including load-carrying detection module, control
Molding block, frequency converter, motor, rotary encoder, LED illumination lamp, alarm speaker and time-delay relay, are examined by load-carrying
Survey module convenience accurately to detect the people in entrance energy-conserving elevator and the gross weight of thing, then pass through control module and frequency conversion
Device to drive the frequency of the motor of energy-conserving elevator motion with the change of load-carrying in energy-conserving elevator to change so that energy-conserving elevator
Operation power and the load-carrying in energy-conserving elevator it is proportional so that whole energy-conserving elevator has according to seating elevator people
The advantages of number is to adjust own power, but the energy-conserving elevator is of limited application, and sufficient energy feedback can not be accomplished, still
A certain amount of energy waste can be caused.
Therefore it is badly in need of wanting the electricity-saving that a kind of energy feedback is abundant, energy-saving efficiency is high, feedback is accurate in time, has a wide range of application
Terraced control system.
Utility model content
The purpose of this utility model is to provide a kind of energy-conserving elevator control system, with solve prior art energy-saving efficiency it is low,
The problem of being of limited application, feeding back not in time.
The utility model provides following technical scheme：
A kind of energy-conserving elevator control system, including user's power supply, main power switch, energy back feed device, central controller
And motor；User's power supply connects described main power switch one end, and the main power switch other end connects the energy and returned
Device is presented, the energy back feed device connects the central controller side, and the central controller opposite side connects the electricity
Machine；Phase sequence relay is also associated between the main power switch and the energy back feed device；The central controller and institute
State and be also associated with an operation contactor between motor.
Preferably, the energy back feed device includes rectification circuit, direct current lateral circuit and the inversion lateral circuit being sequentially connected,
It is easy to energy feedback, both saves the energy, prevents that system temperature is too high again.
Preferably, a braking circuit is also associated between the energy back feed device and the central controller, is easy to
Coordinate braking during provided with emergency flat layer device, lift the safety and stability of overall operation.
Preferably, the braking circuit includes brake unit, the first braking resistor and the second braking resistor, and the braking is single
First braking resistor is connected between the P+ ends and BR ends of member, institute is connected between the brake unit and the central controller
The second braking resistor is stated, is easy to consume unnecessary electric energy in braking procedure, maintains the voltage of dc bus.
Preferably, the operation power of the brake unit is more than 37kw.
Preferably, an envelope star contactor is also associated between the operation contactor and the motor, be advantageous on elevator
Row overspeed protection.
Preferably, the central controller is also circumscribed with the first encoder and second encoder, is easy in variety classes electricity
Signal establishment under machine control.
Preferably, the central controller uses NICE3000+ controllers, and vector controlled is better, and controllability is strong.
The beneficial effects of the utility model are：
1st, using energy back feed device, hoisting elevator energy-saving efficiency；
2nd, coordinate timely using envelope star contactor and braking circuit, hoisting elevator security performance, feedback；
3rd, Tthe utility model system is simple in construction, and application surface is wide, easy to spread.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the present invention together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is Tthe utility model system circuit diagram；
Fig. 2 is Tthe utility model system implementing circuit figure；
Fig. 3 is energy back feed device internal circuit diagram.
In figure：1. user's power supply, 2. main power switch, 3. energy back feed devices, 31. rectification circuits, 32. DC sides electricity
Road, 33. inversion lateral circuits, 4. phase sequence relays, 5. central controllers, 6. operation contactors, 7. motors, 8. braking circuits, 9.
Brake unit, 10. first encoders, 11. second encoders, 12. envelope star contactors.
Embodiment
As shown in figure 1, a kind of energy-conserving elevator control system, including user's power supply 1, main power switch 2, energy back feed device
3rd, central controller 5 and motor 7；User's power supply 1 connects the one end of main power switch 2, and the other end of main power switch 2 connection energy returns
Device 3 is presented, energy back feed device 3 connects the side of central controller 5, the opposite side of central controller 5 connection motor 7；Main power source is opened
Close and be also associated with phase sequence relay 4 between 2 and energy back feed device 3；A fortune is also associated between central controller 5 and motor 7
Row contactor 6.
As shown in Figure 2 to Figure 3, energy back feed device 3 includes rectification circuit 31, the direct current lateral circuit 32 and inverse being sequentially connected
Become lateral circuit 33, be easy to energy feedback, both save the energy, prevent that system temperature is too high again；Energy back feed device 3 and center control
A braking circuit 8 is also associated between device 5, is easy to coordinate braking when elevator is provided with emergency flat layer device, lifts overall operation
Safety and stability；Braking circuit 8 includes brake unit 9, the first braking resistor and the second braking resistor, brake unit 9
P+ ends and BR ends between connect the first braking resistor, the second braking resistor is connected between brake unit 9 and central controller 5,
It is easy to consume unnecessary electric energy in braking procedure, maintains the voltage of dc bus；The operation power of brake unit 9 be 37kw with
On；An envelope star contactor 12 is also associated between operation contactor 6 and motor 7, is advantageous to elevator up-running over-speed protection；Center control
Device 5 processed is also circumscribed with the first encoder 10 and second encoder 11, is easy to the signal under variety classes motor control to work out；In
Controller 5 is entreated to use NICE3000+ controllers, vector controlled is better, and controllability is strong.
Specifically, in use, when using machine-roomless lift, main power switch 2 is placed in switch board, phase sequence
4 moment of relay observation circuit sequentially, so as to protection circuit, when synchronous machine controls, is being run between contactor 6 and motor 7
Access envelope star contactor 12, to prevent elevator overspeed from running, lifts operational reliability, when asynchronous machine controls, central controller 5
Second encoder 11 is connect, with match control, is easy to energy-conserving elevator control system to adapt to various control environment, lifting Energy Saving Control effect
Fruit.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, although ginseng
The utility model is described in detail according to previous embodiment, for those skilled in the art, it still can be with
Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all
Within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., this practicality should be included in
Within new protection domain.
Claims (8)
- A kind of 1. energy-conserving elevator control system, it is characterised in that including user's power supply, main power switch, energy back feed device, in Entreat controller and motor；User's power supply connects described main power switch one end, and the main power switch other end connects institute Energy back feed device is stated, the energy back feed device connects the central controller side, and the central controller opposite side connects Connect the motor；Phase sequence relay is also associated between the main power switch and the energy back feed device；The center control An operation contactor is also associated between device processed and the motor.
- 2. a kind of energy-conserving elevator control system according to claim 1, it is characterised in that the energy back feed device includes Rectification circuit, direct current lateral circuit and the inversion lateral circuit being sequentially connected.
- 3. a kind of energy-conserving elevator control system according to claim 1, it is characterised in that the energy back feed device and institute State and be also associated with a braking circuit between central controller.
- 4. a kind of energy-conserving elevator control system according to claim 3, it is characterised in that the braking circuit includes braking Unit, the first braking resistor and the second braking resistor, first braking is connected between the P+ ends and BR ends of the brake unit Resistance, second braking resistor is connected between the brake unit and the central controller.
- A kind of 5. energy-conserving elevator control system according to claim 4, it is characterised in that the operation work(of the brake unit Rate is more than 37kw.
- A kind of 6. energy-conserving elevator control system according to claim 1, it is characterised in that the operation contactor and described An envelope star contactor is also associated between motor.
- 7. a kind of energy-conserving elevator control system according to claim 1, it is characterised in that the central controller is also external There are the first encoder and second encoder.
- 8. a kind of energy-conserving elevator control system according to claim 1, it is characterised in that the central controller uses NICE3000+ controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720605765.7U CN206814163U (en) | 2017-05-27 | 2017-05-27 | A kind of energy-conserving elevator control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720605765.7U CN206814163U (en) | 2017-05-27 | 2017-05-27 | A kind of energy-conserving elevator control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206814163U true CN206814163U (en) | 2017-12-29 |
Family
ID=60757622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720605765.7U Expired - Fee Related CN206814163U (en) | 2017-05-27 | 2017-05-27 | A kind of energy-conserving elevator control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206814163U (en) |
-
2017
- 2017-05-27 CN CN201720605765.7U patent/CN206814163U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20190527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |