CN102730499A - Elevator contracting brake controller - Google Patents
Elevator contracting brake controller Download PDFInfo
- Publication number
- CN102730499A CN102730499A CN2012102237794A CN201210223779A CN102730499A CN 102730499 A CN102730499 A CN 102730499A CN 2012102237794 A CN2012102237794 A CN 2012102237794A CN 201210223779 A CN201210223779 A CN 201210223779A CN 102730499 A CN102730499 A CN 102730499A
- Authority
- CN
- China
- Prior art keywords
- circuit
- current
- limiting resistance
- brake controller
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses an elevator contracting brake controller. The elevator contracting brake controller comprises a direct current filter circuit, a PWM (pulse width modulation) square wave output unit and a load driving unit which are sequentially connected with one another, wherein the direct current filter circuit is arranged between a voltage input end of an external power grid and the PWM square wave output unit, and is used for preventing the mutual interference between the external power grid and an internal circuit; the PWM square wave output unit comprises an analog voltage sampling circuit, a direct current voltage output circuit and a control chip, and is used for acquiring the input voltage of the external power grid and providing stable power supply for the control chip; and the load driving unit comprises a direct current voltage rectifier diode group, a load output indicating circuit, a voltage stabilizing circuit and an electromagnet control circuit, and is used for preventing reverse voltage of a load electromagnet from damaging the contracting brake controller and switching a conducting and ON/OFF state of the load electromagnet.
Description
Technical field
The present invention relates to field of electric control, specifically, specially refer to a kind of elevator band-type brake controller.
Background technology
Along with science and technology development, elevator technology makes rapid progress.At first be example with the drive system, the permanent-magnet synchronous from early stage AC single speed to today, basic variation has taken place in type of drive and ways of deceleration, and according to scholarly forecast, permagnetic synchronous motor and brshless DC motor will be the leading roles in this century.Secondly, with regard to control system, control to the full Based Intelligent Control of 32-bit microprocessor of today, improved the operability of elevator greatly from early stage relay.The performance of safety component has also had significant improvement, like the improvement of slider materials such as door lock relay and contact self-lubricating function etc.Above-mentioned a series of technological improvement has guaranteed safety, the traveling comfort of elevator operation effectively.But on the other side is drg as the very important safety component of elevator, and its improvement is slowly.The brake loop of elevator is unalterable so far.Therefore when today that other type safety misadventure of elevator reduces significantly, the fault and the accident that are caused by drg just highlight gradually.
Summary of the invention
The object of the present invention is to provide a kind of elevator band-type brake controller,, reduced the electric current of load electromagnet normal operation, overcome the deficiency in the conventional art, thereby realize the object of the invention through the brake loop of traditional elevator is improved.
The technical matters that the present invention solved can adopt following technical scheme to realize:
Elevator band-type brake controller, it comprises bonded assembly DC filtering circuit, PWM square wave output unit and load drive unit successively;
Said DC filtering circuit is arranged between the voltage input end and PWM square wave output unit of extraneous electrical network, prevent extraneous electrical network and band-type brake controller, with band-type brake controller bonded assembly load electromagnet between mutual interference mutually;
Said PWM square wave output unit comprises aanalogvoltage sample circuit, dc voltage output circuit and control chip; The input voltage of the extraneous electrical network of said aanalogvoltage sample circuit collection also is input in the control chip, and dc voltage output circuit is that control chip provides stable power;
Said load drive unit is provided with the first FET Q1 and the second FET Q2; Comprise vdc rectifier diode group, load output indicating circuit, mu balanced circuit and control circuit for electromagnet; Said vdc rectifier diode is arranged at the input end of load drive unit; Prevent the reverse voltage infringement band-type brake controller of load electromagnet; Mu balanced circuit is arranged between the vdc rectifier diode group and the first FET Q1, and the two ends of control circuit for electromagnet connect the control chip and the second FET Q2 respectively, is used for the conducting and the on off state of switch load electromagnet.
In one embodiment of the invention; Said DC filtering circuit comprises pizo-resistance, filter inductance L, tripod ceramic condenser C5 and tripod ceramic condenser C6; Pizo-resistance is parallel to the two ends of input voltage and is connected with the input end of filter inductance L, and two mouths of filter inductance connect tripod ceramic condenser C5 or C6 respectively.
In one embodiment of the invention; Said aanalogvoltage sample circuit comprises current-limiting resistance R3, sampling resistor R5, filter capacitor C2 and zener diode D1; Said current-limiting resistance R3 connects tripod ceramic condenser C6, is connected with current-limiting resistance R3 after sampling resistor R5, filter capacitor C2 and the zener diode D1 parallel connection.
In one embodiment of the invention; Said dc voltage output circuit comprises current-limiting resistance R2, zener diode D2, filter C1 and filter C3; Said current-limiting resistance R2 connects tripod ceramic condenser C6, is connected with current-limiting resistance R2 after zener diode D2, filter C1 and the filter C3 parallel connection.
In one embodiment of the invention, said vdc rectifier diode group comprises rectifier diode D7, D8, D9, D10, D11 and D12, and 6 rectifier diode parallel connections are 3 branch roads, are in series with two rectifier diodes in every branch road.
In one embodiment of the invention; Said load output indicating circuit comprises series connected current-limiting resistance R1 and LED light, and the other end that an end of load output indicating circuit connects the mouth load output indicating circuit of vdc rectifier diode group connects the first FET Q1.
In one embodiment of the invention; Said mu balanced circuit comprises diode D6, current-limiting resistance R4, current-limiting resistance R8, zener diode D3 and filter capacitor C4; Diode D6 is connected with current-limiting resistance R4 series connection back and with the mouth of vdc rectifier diode group, is connected after current-limiting resistance R8, zener diode D3, filter capacitor C4 and the first FET Q1 parallel connection and with current-limiting resistance R4.
In one embodiment of the invention, said control circuit for electromagnet comprises current-limiting resistance R7, and the end of current-limiting resistance R7 connects the 5th pin of control chip, and the other end of current-limiting resistance R7 connects the second FET Q2.
Beneficial effect of the present invention is: be skillfully constructed, modern design through the brake loop of traditional elevator is improved, for the load electromagnet provides PWM voltage, has reduced the electric current of load electromagnet normal operation, has played energy-saving and cost-reducing effect.
Description of drawings
Fig. 1 is the schematic circuit diagram of elevator band-type brake controller of the present invention.
Fig. 2 is the schematic circuit diagram of DC filtering circuit of the present invention.
Fig. 3 is the schematic circuit diagram of PWM square wave output unit of the present invention.
Fig. 4 is the schematic circuit diagram of load drive unit of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with the specific embodiment, further set forth the present invention.
As shown in Figure 1, elevator band-type brake controller of the present invention, it comprises bonded assembly DC filtering circuit, PWM square wave output unit and load drive unit successively;
As shown in Figure 2, the DC filtering circuit is arranged between the voltage input end and PWM square wave output unit of extraneous electrical network, prevent extraneous electrical network and band-type brake controller, with band-type brake controller bonded assembly load electromagnet between mutual interference mutually; Said DC filtering circuit comprises pizo-resistance, filter inductance L, tripod ceramic condenser C5 and tripod ceramic condenser C6; Pizo-resistance is parallel to the two ends of input voltage and is connected with the input end of filter inductance L, and two mouths of filter inductance connect tripod ceramic condenser C5 or C6 respectively.
When the voltage of extraneous electrical network when moment exceeds the protection voltage of pizo-resistance; Pizo-resistance is in moment conducting and short circuit; The circuit of protection rear end; Prevent overtension and damage the circuit of back), again through a filter inductance L and two tripod ceramic condensers (it mainly act as and solves the EMC electromagnetic compatibility problem, satisfies the radiating portion among the staircase international standard EN12015).
The core material of filter inductance magnetic L is a manganese-zinc ferrite, and the size of inductance value is: about 4.0mH; Two tripod capacitor C 5, C6's mainly is to cooperate filter inductance to use, realize its satisfy EMC in emission outside, it also has a function to be exactly: solve RF protected ratio, the most effective to the high frequency range of frequency effect especially.In a word, very important of this part of DC filtering circuit, it has played extraneous electrical network in circuit various interference are the load of interfere band-type brake controller and band-type brake controller back not; Can also play load produced the useless interference Office of Foreign Affairs electrical network of band-type brake controller and band-type brake controller back, have influence on other equipment or residential electricity consumption, satisfy the part requirement in the standard GB 4824.
As shown in Figure 3; PWM square wave output unit comprises aanalogvoltage sample circuit, dc voltage output circuit and control chip; The input voltage of the extraneous electrical network of said aanalogvoltage sample circuit collection also is input in the control chip, and dc voltage output circuit is that control chip provides stable power;
The aanalogvoltage sample circuit comprises current-limiting resistance R3, sampling resistor R5, filter capacitor C2 and zener diode D1; Said current-limiting resistance R3 connects tripod ceramic condenser C6, is connected with current-limiting resistance R3 after sampling resistor R5, filter capacitor C2 and the zener diode D1 parallel connection.The main effect of this circuit is: when the voltage in the external world uprises; The sampled voltage that is input to chip U1 just uprises; When the voltage step-down in the external world, the sampled voltage that is input to chip U1 is also with regard to step-down, in a word; The voltage that is input to chip U1 tripod changes with the change of voltage in the external world, plays the effect of sampling.
Dc voltage output circuit comprises current-limiting resistance R2, zener diode D2, filter C1 and filter C3, and said current-limiting resistance R2 connects tripod ceramic condenser C6, is connected with current-limiting resistance R2 after zener diode D2, filter C1 and the filter C3 parallel connection.When within the voltage in the external world has the scope (10%) of regulation, changing, the voltage that is input on first pin of chip U1 is about 5V all the time, to chip a stable voltage is provided.
As shown in Figure 4; Load drive unit is provided with the first FET Q1 and the second FET Q2; Comprise vdc rectifier diode group, load output indicating circuit, mu balanced circuit and control circuit for electromagnet; Said vdc rectifier diode is arranged at the input end of load drive unit, prevents the reverse voltage infringement band-type brake controller of load electromagnet, and mu balanced circuit is arranged between the vdc rectifier diode group and the first FET Q1; The two ends of control circuit for electromagnet connect the control chip and the second FET Q2 respectively, are used for the conducting and the on off state of switch load electromagnet.
Vdc rectifier diode group comprises rectifier diode D7, D8, D9, D10, D11 and D12, and 6 rectifier diode parallel connections are 3 branch roads, are in series with two rectifier diodes in every branch road.The main effect of these six diodes is to prevent that the reverse voltage of load electromagnet is excessive, and example exempts to damage band-type brake controller itself, and example exempts to damage the control system of elevator, and the highest reverse voltage can be up to 2000V; In addition these 6 two utmost points this also have an important effect to be: parallel connection shunting, wherein each only two-polar running current is 3A, the total current after the parallel connection is 9Amax.
Load output indicating circuit comprises series connected current-limiting resistance R1 and LED light, and an end of load output indicating circuit connects the mouth of vdc rectifier diode group, and the other end of load output indicating circuit connects the first FET Q1.Can find out whether voltage is arranged to require to change through this indicator lamp, such as: when external voltage was 125 volts, LED will brighten; When external voltage was 62.5 volts, the brightness of LED was original 1/4th, and brightness has obvious variation.If indicator lamp does not have bright or brightness when constant, product has just damaged.
Mu balanced circuit comprises diode D6, current-limiting resistance R4, current-limiting resistance R8, zener diode D3 and filter capacitor C4; Diode D6 is connected with current-limiting resistance R4 series connection back and with the mouth of vdc rectifier diode group; Be connected after current-limiting resistance R8, zener diode D3, filter capacitor C4 and the first FET Q1 parallel connection and with current-limiting resistance R4; For FET Q1 provides G pole tension, make the consistent conducting state that is in of the FET Q1 that wins.
Control circuit for electromagnet comprises current-limiting resistance R7, and the end of current-limiting resistance R7 connects the 5th pin of control chip, and the other end of current-limiting resistance R7 connects the second FET Q2.When the 5th pin of chip U1 output high level, behind current-limiting resistance R7, arrive the G plate of Q2, the Q2 conducting makes the load work of electromagnet; When the 5th pin of chip U1 was output as low level, this moment, Q2 broke off, and the load electromagnet quits work.
More than show and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (8)
1. elevator band-type brake controller is characterized in that, it comprises bonded assembly DC filtering circuit, PWM square wave output unit and load drive unit successively;
Said DC filtering circuit is arranged between the voltage input end and PWM square wave output unit of extraneous electrical network, prevent extraneous electrical network and band-type brake controller, with band-type brake controller bonded assembly load electromagnet between mutual interference mutually;
Said PWM square wave output unit comprises aanalogvoltage sample circuit, dc voltage output circuit and control chip; The input voltage of the extraneous electrical network of said aanalogvoltage sample circuit collection also is input in the control chip, and dc voltage output circuit is that control chip provides stable power;
Said load drive unit is provided with the first FET Q1 and the second FET Q2; Comprise vdc rectifier diode group, load output indicating circuit, mu balanced circuit and control circuit for electromagnet; Said vdc rectifier diode is arranged at the input end of load drive unit; Prevent the reverse voltage infringement band-type brake controller of load electromagnet; Mu balanced circuit is arranged between the vdc rectifier diode group and the first FET Q1, and the two ends of control circuit for electromagnet connect the control chip and the second FET Q2 respectively, is used for the conducting and the on off state of switch load electromagnet.
2. elevator band-type brake controller according to claim 1; It is characterized in that; Said DC filtering circuit comprises pizo-resistance, filter inductance L, tripod ceramic condenser C5 and tripod ceramic condenser C6; Pizo-resistance is parallel to the two ends of input voltage and is connected with the input end of filter inductance L, and two mouths of filter inductance connect tripod ceramic condenser C5 or C6 respectively.
3. elevator band-type brake controller according to claim 1; It is characterized in that; Said aanalogvoltage sample circuit comprises current-limiting resistance R3, sampling resistor R5, filter capacitor C2 and zener diode D1; Said current-limiting resistance R3 connects tripod ceramic condenser C6, is connected with current-limiting resistance R3 after sampling resistor R5, filter capacitor C2 and the zener diode D1 parallel connection.
4. elevator band-type brake controller according to claim 1; It is characterized in that; Said dc voltage output circuit comprises current-limiting resistance R2, zener diode D2, filter C1 and filter C3; Said current-limiting resistance R2 connects tripod ceramic condenser C6, is connected with current-limiting resistance R2 after zener diode D2, filter C1 and the filter C3 parallel connection.
5. elevator band-type brake controller according to claim 1; It is characterized in that; Said vdc rectifier diode group comprises rectifier diode D7, D8, D9, D10, D11 and D12, and 6 rectifier diode parallel connections are 3 branch roads, are in series with two rectifier diodes in every branch road.
6. elevator band-type brake controller according to claim 1; It is characterized in that; Said load output indicating circuit comprises series connected current-limiting resistance R1 and LED light; One end of load output indicating circuit connects the mouth of vdc rectifier diode group, and the other end of load output indicating circuit connects the first FET Q1.
7. elevator band-type brake controller according to claim 1; It is characterized in that; Said mu balanced circuit comprises diode D6, current-limiting resistance R4, current-limiting resistance R8, zener diode D3 and filter capacitor C4; Diode D6 is connected with current-limiting resistance R4 series connection back and with the mouth of vdc rectifier diode group, is connected after current-limiting resistance R8, zener diode D3, filter capacitor C4 and the first FET Q1 parallel connection and with current-limiting resistance R4.
8. elevator band-type brake controller according to claim 1 is characterized in that said control circuit for electromagnet comprises current-limiting resistance R7, and the end of current-limiting resistance R7 connects the 5th pin of control chip, and the other end of current-limiting resistance R7 connects the second FET Q2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102237794A CN102730499A (en) | 2012-06-29 | 2012-06-29 | Elevator contracting brake controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102237794A CN102730499A (en) | 2012-06-29 | 2012-06-29 | Elevator contracting brake controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102730499A true CN102730499A (en) | 2012-10-17 |
Family
ID=46986914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102237794A Pending CN102730499A (en) | 2012-06-29 | 2012-06-29 | Elevator contracting brake controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102730499A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743466A (en) * | 2013-12-31 | 2015-07-01 | 刘培 | Elevator band-type brake power supply |
| CN106452130A (en) * | 2016-11-29 | 2017-02-22 | 株洲麦格米特电气有限责任公司 | Power source of elevator contracting brake |
| CN109219186A (en) * | 2018-07-17 | 2019-01-15 | 浙江金来奥光电科技有限公司 | A kind of multiple rows of incidence matrix light source uniformly lights the circuit system of car light |
| US10450162B2 (en) | 2015-06-29 | 2019-10-22 | Otis Elevator Company | Electromagnetic brake control circuitry for elevator application |
| CN112631167A (en) * | 2020-12-08 | 2021-04-09 | 珠海格力电器股份有限公司 | Method and device for monitoring state of brake of servo motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1225150A1 (en) * | 2001-01-09 | 2002-07-24 | Inventio Ag | Device for noiseless operating of elevator brake |
| KR20100138004A (en) * | 2009-06-24 | 2010-12-31 | 대동전자(주) | The circuit braker having function for shorting the trip time when over current happens |
| CN102070104A (en) * | 2011-01-28 | 2011-05-25 | 石家庄五龙制动器股份有限公司 | Pulse width modulation (PWM) control circuit of elevator brake |
| CN202687671U (en) * | 2012-06-29 | 2013-01-23 | 上海西艾爱电子有限公司 | Elevator band-type brake controller |
-
2012
- 2012-06-29 CN CN2012102237794A patent/CN102730499A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1225150A1 (en) * | 2001-01-09 | 2002-07-24 | Inventio Ag | Device for noiseless operating of elevator brake |
| KR20100138004A (en) * | 2009-06-24 | 2010-12-31 | 대동전자(주) | The circuit braker having function for shorting the trip time when over current happens |
| CN102070104A (en) * | 2011-01-28 | 2011-05-25 | 石家庄五龙制动器股份有限公司 | Pulse width modulation (PWM) control circuit of elevator brake |
| CN202687671U (en) * | 2012-06-29 | 2013-01-23 | 上海西艾爱电子有限公司 | Elevator band-type brake controller |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104743466A (en) * | 2013-12-31 | 2015-07-01 | 刘培 | Elevator band-type brake power supply |
| CN104743466B (en) * | 2013-12-31 | 2017-12-15 | 重庆顺心仪器设备有限公司 | A kind of elevator internal contracting brake power supply |
| US10450162B2 (en) | 2015-06-29 | 2019-10-22 | Otis Elevator Company | Electromagnetic brake control circuitry for elevator application |
| CN106452130A (en) * | 2016-11-29 | 2017-02-22 | 株洲麦格米特电气有限责任公司 | Power source of elevator contracting brake |
| CN109219186A (en) * | 2018-07-17 | 2019-01-15 | 浙江金来奥光电科技有限公司 | A kind of multiple rows of incidence matrix light source uniformly lights the circuit system of car light |
| CN112631167A (en) * | 2020-12-08 | 2021-04-09 | 珠海格力电器股份有限公司 | Method and device for monitoring state of brake of servo motor |
| CN112631167B (en) * | 2020-12-08 | 2021-09-28 | 珠海格力电器股份有限公司 | Method and device for monitoring state of brake of servo motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102932997B (en) | LED (light-emitting diode) fluorescent lamp drive circuit and LED lamp tube | |
| CN102730499A (en) | Elevator contracting brake controller | |
| CN202094803U (en) | Flyback power application circuit | |
| CN201700047U (en) | Led lamp driving circuit | |
| CN102215615A (en) | Driving circuit for LED (light emitting diode) lamp | |
| CN206321697U (en) | A kind of over-voltage detection circuit and switching power circuit | |
| CN201599589U (en) | LED fluorescent lamp | |
| CN101742770B (en) | LED light dimming circuit | |
| CN209627761U (en) | LED Drive Protecting Circuit | |
| CN110798927A (en) | LED drive circuit based on T-shaped lamp tube | |
| CN202687671U (en) | Elevator band-type brake controller | |
| CN203734894U (en) | LED drive circuit | |
| CN204731991U (en) | Intelligent traffic signal failure detector circuit | |
| CN204231697U (en) | A kind of three-phase electricity rectification LC height PF filtering high direct voltage directly drives LED circuit | |
| CN202550481U (en) | Abnormal voltage protection and display circuit and constant speed air conditioner | |
| CN203439864U (en) | Elevator control cabinet | |
| CN205005320U (en) | Driving circuit of light -emitting diode (LED) fluorescent tube | |
| CN104418194A (en) | Elevator control cabinet | |
| CN207117157U (en) | A kind of overvoltage crowbar for computer radiating fan | |
| CN202406336U (en) | Novel LED isolation type drive power supply | |
| CN203745550U (en) | Three-phase power source phase loss detecting device | |
| CN201569107U (en) | Relay output circuit with function of isolation for central air conditioning controller | |
| CN204887618U (en) | Novel nonpolarity compatible LED drive power supply | |
| CN203672981U (en) | Three-phase power supply phase loss detection device | |
| CN203399341U (en) | Novel LED lamp driving power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121017 |