CN203767779U - Integrated switching power supply device for elevator control system - Google Patents
Integrated switching power supply device for elevator control system Download PDFInfo
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- CN203767779U CN203767779U CN201420025772.6U CN201420025772U CN203767779U CN 203767779 U CN203767779 U CN 203767779U CN 201420025772 U CN201420025772 U CN 201420025772U CN 203767779 U CN203767779 U CN 203767779U
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- power supply
- circuit
- elevator
- band
- brake
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Abstract
The utility model relates to an integrated switching power supply device for an elevator control system. A power supply is input by an AC (Alternating Current) power supply terminal (1), and is respectively connected with a microcomputer control circuit power supply (2) and a safety circuit and brake circuit power supply (3) to output a power supply to the elevator control system through a safety circuit and brake circuit power supply terminal (6) and a microcomputer control power supply terminal (5) which are connected with the microcomputer control circuit power supply (2) and the safety circuit and brake circuit power supply (3); the other path of output of the safety circuit and brake circuit power supply (3) is connected to a brake coil power supply terminal (7) through a delay step-down circuit (4). The elevator microcomputer control circuit power supply, the safety circuit and brake circuit power supply and the brake control power supply are integrated in one, an isolated switching power supply is used to replace a power frequency transformer type control power supply, and a DC (Direct Current) chopper is used to achieve elevator brake high-voltage excitation pickup and low-voltage excitation holding. The device has higher degree of integration, small weight and size, and low no-load loss.
Description
Technical field
The utility model relates to the electrical equipment of elevator, specifically, is a kind of multipurpose switch power supply device for apparatus for controlling elevator power supply.
Background technology
Modem elevator has generally adopted frequency conversion Electric Traction and microcomputer operation control technology, in the control system of this elevator, the control power supply of elevator control cabinet is made up of line-frequency transformer type power supply and the band-type brake control power supply etc. of the Switching Power Supply, output DC110V and the AC110V that export DC24V conventionally, DC24V Switching Power Supply is for elevator microcomputer control circuit, line-frequency transformer type power supply is for elevator safety circuit and braking circuit, band-type brake control power supply keeps switching for band-type brake coil high potential excitation low voltage, to reduce band-type brake power consumption and temperature rise.
The advantage of above-mentioned supply unit is the need for electricity that has met control circuit, and has realized and the electrical isolation of civil power, is convenient to implement the short-circuit protection of control circuit.Weak point is three kinds of discrete settings of supply unit, causes the assembling wiring of elevator control cabinet relatively many; Volume and the weight of line-frequency transformer type power supply are larger, are unfavorable for miniaturization, the lightness of elevator control cabinet.In addition, the standby power of sort circuit is larger, can not meet the standby energy requirement index to energy-conserving elevator in elevator energy efficiency standard (as State General Administration for Quality Supervision's " elevator energy efficiency test and evaluation rule ", European VDI4707Part1Lifts EnergyEfficiency).
At present, the large industry such as computing machine, vision receiver has completed the replacement of " Switching Power Supply replaces Industrial Frequency Transformer power supply ", elevator industry will inevitably take advantage of other's power to follow up, and uses the line-frequency transformer type elevator control power supply of isolation type switching power supply replacement prior art imperative.
Utility model content
The purpose of this utility model is in order to overcome the deficiencies in the prior art, and a kind of switching power unit that elevator microcomputer control circuit power supply, vital circuit and braking circuit power supply, band-type brake control power supply are integrated in one is provided.
The utility model solves the technical scheme that its technical matters adopts: apparatus for controlling elevator integrated switch power device, input termination elevator supply source of AC, change through Switching Power Supply, mouth is multi-channel dc power supply, be connected respectively in the control circuit of elevator, described elevator control integration supply unit is integrated in one the power supply of elevator safety circuit, braking circuit, microcomputer control circuit; Described elevator control integration supply unit is provided with band-type brake coil power supply time delay reduction voltage circuit.
In described apparatus for controlling elevator integrated switch power device, the current detection circuit arranging in its band-type brake coil power supply time delay reduction voltage circuit connects timing control circuit, timing control circuit connects PWM controlling and driving circuits, and PWM controlling and driving circuits connects DC chopper.The delay adjustments time value of described band-type brake coil power supply time delay reduction voltage circuit is 1 second to 2 seconds; Time delay output voltage values is 60% to 80% of band-type brake coil power supply rated voltage.
The utility model compared with prior art, has the following advantages and beneficial effect:
1. elevator microcomputer control circuit power supply, vital circuit and braking circuit power supply, band-type brake control power supply are integrated in one, there is higher integrated level, can simplify structure and the technique of elevator control cabinet, reduce control housing assembling wiring, save production cost.
2 adopt isolation type switching power supply to replace line-frequency transformer type control power supply, have alleviated weight, have dwindled volume, are conducive to lightness, the miniaturization of apparatus for controlling elevator.
3. adopt the apparatus for controlling elevator integrated switch power of the utility model fabrication techniques, actual measurement standby power is less than 14VA, reduces more than 80% than the line-frequency transformer type control power supply of prior art.
4. adopt isolation type switching power supply, realized the electrical isolation of elevator control power supply and civil power, be convenient to implement the short-circuit protection of control circuit.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further elaborated:
Fig. 1 is the structured flowchart of the utility model embodiment.
Fig. 2 is the structured flowchart of the utility model band-type brake coil power control circuit embodiment.
Fig. 3 is the band-type brake coil power output curve diagram of the utility model embodiment.
In figure, 1. ac power input end, 2. microcomputer control circuit power supply, 3. vital circuit and braking circuit power supply, 4. band-type brake control power supply, 5. microcomputer controlled electro soruce terminal, 6. vital circuit and braking circuit terminals for power supplies, 7 band-type brake coil power terminals, 8. DC chopper, 9. current detection circuit, 10. delay trigger circuit, 11.PWM controlling and driving circuits.
Detailed description of the invention
The utility model has been selected the Switching Power Supply of isolated DC/DC conv composition, has realized the electrical isolation of output with input, can have the multichannel output of different voltages, can meet the power demands of elevator control circuit.
In Fig. 1, elevator power supply source is inputted through ac power supply terminal 1, connected with computer control circuit power supply 2 and vital circuit and braking circuit power supply 3 respectively, vital circuit and braking circuit power supply 3 are realized output power supply by coupled vital circuit and braking circuit terminals for power supplies 6, and microcomputer controlled electro source 2 is by the 5 output power supplies of coupled microcomputer controlled electro soruce terminal.Another road output of vital circuit and braking circuit power supply 3 is connected to band-type brake coil power terminal 7 through time delay reduction voltage circuit 4.The object that time delay reduction voltage circuit 4 is set is the demand in order to adapt to elevator internal contracting brake coil power supply, each band-type brake coil of connecting is initially high potential output, be reduced output voltage (be generally rated voltage 60% to 80%) arriving after the delay time (being generally 1 second to 2 seconds) of setting, to realize the adhesive of band-type brake coil high potential excitation, low voltage excitation maintains, can reduce power consumption and temperature rise in band-type brake coil working, increase the service life.
Standard GB/T/T24478-2009 " elevator traction machine " to the requirement of elevator brake band-type brake coil power supply is, and " minimum pick-up voltage and the highest release voltage should be respectively lower than amount voltage 80% and 55% ".Fig. 2 is according to the band-type brake coil power control circuit structured flowchart of above-mentioned requirements design.
In Fig. 2, be input as vital circuit and braking circuit power supply 3, be output as band-type brake coil power terminal 7, DC chopper 8 is adjusted output wave shape pulsewidth by PWM controlling and driving circuits 11 and current detection circuit 9, reaches the object of control and regulated output voltage.
The variation monitoring of current detection circuit 9 by outgoing current also exported each band-type brake coil power terminal 7 and connected the signal of load, adjust the output pulse width of PWM controlling and driving circuits 11 through timing control circuit 10, in the time that band-type brake coil power terminal 7 is non-loaded, control output pulse width maximum; In the time that current detection circuit 9 monitors load connection signal, trigger timing control circuit 10, through 1.5 seconds (delay adjustments value) afterwards, the output pulse width of adjusting PWM controlling and driving circuits 11 is 70% (setting value).The delivery curve of this circuit as shown in Figure 3.
The model machine of making according to the present embodiment, microcomputer control circuit power supply is DC24V isolation type switching power supply, horsepower output 200W; Vital circuit and braking circuit power supply are DC110V isolation type switching power supply, horsepower output 500W; Package unit actual measurement standby power 14VA, the about 110VA of line-frequency transformer type control power supply actual measurement standby power of same size.
Below with embodiment, the utility model has been carried out launching to describe by reference to the accompanying drawings, this description does not have restricted, the embodiment that shown in accompanying drawing, also just the utility model forms, and the technical solution of the utility model is not limited to this.Those of ordinary skill in the art should be understood that, in the situation that not departing from the utility model design philosophy, and the actual variation in some details of implementing also to have of the present utility model.So as long as meet aim of the present utility model, these variations include within protection domain of the present utility model.
Claims (3)
1. an apparatus for controlling elevator integrated switch power device, input termination elevator supply source of AC, change through Switching Power Supply, mouth is multi-channel dc power supply, be connected respectively in the control circuit of elevator, it is characterized in that: described elevator control integration supply unit is integrated in one the power supply of elevator safety circuit, braking circuit, microcomputer control circuit; Described elevator control integration supply unit is provided with band-type brake coil power supply time delay reduction voltage circuit.
2. apparatus for controlling elevator integrated switch power device according to claim 1, it is characterized in that: the current detection circuit arranging in described band-type brake coil power supply time delay reduction voltage circuit connects timing control circuit, timing control circuit connects PWM controlling and driving circuits, and PWM controlling and driving circuits connects DC chopper.
3. apparatus for controlling elevator integrated switch power device according to claim 1, is characterized in that: the delay adjustments time value of described band-type brake coil power supply time delay reduction voltage circuit is 1 second to 2 seconds; Time delay output voltage values is 60% to 80% of band-type brake coil power supply rated voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025772.6U CN203767779U (en) | 2014-01-10 | 2014-01-10 | Integrated switching power supply device for elevator control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420025772.6U CN203767779U (en) | 2014-01-10 | 2014-01-10 | Integrated switching power supply device for elevator control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203767779U true CN203767779U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420025772.6U Expired - Fee Related CN203767779U (en) | 2014-01-10 | 2014-01-10 | Integrated switching power supply device for elevator control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN203767779U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592550A (en) * | 2019-01-24 | 2019-04-09 | 通力电梯有限公司 | Control cabinet and escalator including it |
| CN110138218A (en) * | 2019-06-25 | 2019-08-16 | 深圳市海浦蒙特科技有限公司 | A kind of band-type brake power supply of adjustable output voltage |
| CN111654310A (en) * | 2019-03-04 | 2020-09-11 | 杭州沪宁电梯部件股份有限公司 | Relay device for connecting safety device with elevator control system |
-
2014
- 2014-01-10 CN CN201420025772.6U patent/CN203767779U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109592550A (en) * | 2019-01-24 | 2019-04-09 | 通力电梯有限公司 | Control cabinet and escalator including it |
| CN111654310A (en) * | 2019-03-04 | 2020-09-11 | 杭州沪宁电梯部件股份有限公司 | Relay device for connecting safety device with elevator control system |
| CN110138218A (en) * | 2019-06-25 | 2019-08-16 | 深圳市海浦蒙特科技有限公司 | A kind of band-type brake power supply of adjustable output voltage |
| CN110138218B (en) * | 2019-06-25 | 2020-08-11 | 深圳市海浦蒙特科技有限公司 | Band-type brake power supply with adjustable output voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20150110 |
|
| EXPY | Termination of patent right or utility model |