CN107879215A - A kind of band-type brake security monitoring circuit and method - Google Patents
A kind of band-type brake security monitoring circuit and method Download PDFInfo
- Publication number
- CN107879215A CN107879215A CN201711049455.2A CN201711049455A CN107879215A CN 107879215 A CN107879215 A CN 107879215A CN 201711049455 A CN201711049455 A CN 201711049455A CN 107879215 A CN107879215 A CN 107879215A
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- CN
- China
- Prior art keywords
- band
- type brake
- unit
- signal
- time
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Abstract
The invention discloses a kind of band-type brake security monitoring circuit and method.Solve the problems, such as that generic failure detection means can not detect band-type brake failure very well in the prior art.Circuit includes band-type brake signal input unit, processing unit, control output unit, failure output unit and feed back input unit, band-type brake signal input unit is connected with processing unit, processing unit is connected with control output unit, failure output unit respectively, feed back input unit is connected with processing unit, failure output unit, control output unit are connected respectively to the control terminal of band-type brake, and feed back input unit is connected with the signal output part of band-type brake.The elapsed-time standards that monitor signals in real time of the present invention returns again to band-type brake, whether the normal reaction time is exceeded to judge whether band-type brake exception occurs according to elapsed-time standards, if occur beyond the normal reaction time abnormal, band-type brake is then closed in time, so that band-type brake is held tightly by acting force of the spring after a loss of power, the appearance of security incident is avoided.Improve the security of elevator.
Description
Technical field
The present invention relates to a kind of elevator technology field, more particularly, to a kind of band-type brake security monitoring circuit and method.
Background technology
Typically carry out the stabilization after retarding braking and parking to equipment using band-type brake on elevator, crane facility at present.
Due to easily being broken down after equipment long-play, general band-type brake carries out band-type brake using Current Voltage detection means and examined extremely
Survey, but this device detection range is limited, and relay-contactor parts damages are likely to be as exception occurs in band-type brake, or may
It is that band-type brake mechanical breakdown causes, these can not all be detected using Current Voltage detection means.
The content of the invention
The present invention, which mainly solves generic failure detection means in the prior art, can not detect asking for band-type brake failure very well
Topic, there is provided a kind of band-type brake security monitoring circuit and method.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：A kind of band-type brake security monitoring
Circuit, including band-type brake signal input unit, processing unit, control output unit, failure output unit and feed back input unit, are embraced
Lock signal input unit is connected with processing unit, and processing unit is connected with control output unit, failure output unit respectively, feeds back
Input block is connected with processing unit, and failure output unit, control output unit are connected respectively to the control terminal of band-type brake, and feedback is defeated
Enter unit with the signal output part of band-type brake to be connected；
Processing unit：Obtain the output time for controlling output unit to output signals to band-type brake and feed back input unit reception band-type brake is anti-
The feedback time of feedback signal, is preset with the band-type brake normal reaction time in processing unit, and processing unit calculates signal and reached and feedback
The time returned, by the time being calculated compared with the reaction time, judge whether to export fault-signal, control band-type brake is different
Often close.Present system can the elapsed-time standards that is returned again to band-type brake of monitor signals in real time, whether exceeded according to elapsed-time standards
The normal reaction time judges whether band-type brake exception occurs, if occurring abnormal, timely closing band-type brake beyond the normal reaction time,
So that band-type brake is held tightly by acting force of the spring after a loss of power, the appearance of security incident is avoided.
As a kind of preferred scheme, the failure output unit is also connected to elevator master control system.By band-type brake in this programme
Fault message is sent to elevator master control system, and terraced active system of powering carries out subsequent operation and checked for monitoring personnel.
As a kind of preferred scheme, in addition to power input unit and power conversion unit, power input unit and power supply
Converting unit is connected, and power conversion unit is connected with processing unit.This programme is used to switch on power, and can be to different electrical power power supply
Changed the voltage adapted to circuit.
As a kind of preferred scheme, the failure output unit includes being judged to send fault-signal control according to processing unit
Chip U1, resistance R1, resistance R2, triode Q1, optocoupler OC, relay J1, control chip U1 signal outputs pin and optocoupler OC are defeated
Enter to hold negative pole to be connected, optocoupler OC input anodes are connected with resistance R1 one end, and the resistance R1 other ends are connected with power supply, and optocoupler OC is defeated
Go out proper pole respectively with power supply, triode Q1 colelctor electrodes to be connected, optocoupler OC negative pole of output end respectively with resistance R2 one end, triode
Q1 base stages are connected, and triode Q1 emitter stages are connected with relay J1 coiler parts one end, and the resistance R2 other ends, coiler part are another
End is grounded respectively, and the resistance R2 other ends are also connected to elevator master control system, relay J1 contact parts one end ground connection, contact part
The other end is connected to band-type brake control terminal.
A kind of band-type brake method for safety monitoring, comprises the following steps：
S1. the band-type brake normal reaction time is preset in processing unit；
S2. work is opened, receives the signal for sending control band-type brake work；
S3. signal output is calculated to the band-type brake elapsed-time standards fed back；
S4. analyze whether the elapsed-time standards being calculated exceeds the normal reaction time, come judge whether output abnormality signal to embrace
Lock, control band-type brake are closed.Present system can the elapsed-time standards that is returned again to band-type brake of monitor signals in real time, according to elapsed-time standards
Whether is exceeded to judge whether band-type brake exception occurs the normal reaction time, if there is exception beyond the normal reaction time, in time
Close band-type brake so that band-type brake is held tightly by acting force of the spring after a loss of power, avoids the appearance of security incident.Improve the peace of elevator
Quan Xing.
As a kind of preferred scheme, the process of elapsed-time standards is calculated in step 3 to be included：
S31. processing unit is by controlling output unit to output a control signal to band-type brake, and tracer signal sends time t1；
S32. band-type brake receives control signal and is operated, and then sends and feeds back signal to processing unit, and record feedback signal is received
To time t2；
S33. basis sends time t1 and time of receipt (T of R) t2 calculates elapsed-time standards T.
A kind of 7. band-type brake method for safety monitoring according to claim 5, it is characterized in that the specific mistake of the step S4
Journey includes；
S41. whether analysis elapsed-time standards T exceeds the normal reaction time；
S42. work is normally carried out if not, if it is abnormal to judge that band-type brake occurs, is sent fault-signal to band-type brake, is closed band-type brake；
S43. standby band-type brake is simultaneously closed off.
Therefore, it is an advantage of the invention that：Can the elapsed-time standards that is returned again to band-type brake of monitor signals in real time, according to through lasting
Between whether beyond the normal reaction time judge whether band-type brake exception occurs, if occur beyond normal reaction time it is abnormal, and
When close band-type brake so that band-type brake after a loss of power by acting force of the spring hold tightly, avoid the appearance of security incident.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural frames diagram of the present invention；
Accompanying drawing 2 is a kind of electrical block diagram of failure output circuit in the present invention.
1- power input unit 2- processing unit 3- failure output units 4- control output unit 5- feedbacks are defeated
Enter unit 6- power input unit 7- power conversion units.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：
A kind of band-type brake security monitoring circuit of the present embodiment, as shown in figure 1, including band-type brake signal input unit 1, processing unit 2, control
Output unit 4, failure output unit 3 and feed back input unit 5 processed, power input unit 6 and power conversion unit 7.Band-type brake is believed
Number input block is connected with processing unit, and processing unit is connected with control output unit, failure output unit respectively, feed back input
Unit is connected with processing unit, and failure output unit, control output unit are connected respectively to the control terminal of band-type brake, feed back input list
Member is connected with the signal output part of band-type brake；Power input unit is connected with power conversion unit, and power conversion unit is single with processing
Member is connected.Failure output unit is also connected to elevator master control system.
Processing unit：Obtain output time and the reception armful of feed back input unit that control output unit outputs signals to band-type brake
The feedback time of lock feedback signal, is preset with the band-type brake normal reaction time in processing unit, processing unit calculate signal reach and
The time fed back, by the time being calculated compared with the reaction time, judge whether to export fault-signal, control is embraced
Lock is closed extremely.
As shown in Fig. 2 failure output unit includes being judged to send fault-signal control chip U1, resistance according to processing unit
R1, resistance R2, triode Q1, optocoupler OC, relay J1, control chip U1 signal outputs pin and optocoupler OC input cathode phases
Even, optocoupler OC input anodes are connected with resistance R1 one end, and the resistance R1 other ends are connected with power supply, optocoupler OC output head anodes point
Be not connected with power supply, triode Q1 colelctor electrodes, optocoupler OC negative pole of output end respectively with resistance R2 one end, triode Q1 base stage phases
Even, triode Q1 emitter stages are connected with relay J1 coiler parts one end, and the resistance R2 other ends, the coiler part other end connect respectively
Ground, the resistance R2 other ends are also connected to elevator master control system, relay J1 contact parts one end ground connection, and the contact part other end connects
It is connected to band-type brake control terminal.
A kind of band-type brake method for safety monitoring, comprises the following steps：
S1. the band-type brake normal reaction time is preset in processing unit；
S2. work is opened, receives the signal for sending control band-type brake work；
S3. signal output is calculated to the band-type brake elapsed-time standards fed back；Detailed process includes：
S31. processing unit is by controlling output unit to output a control signal to band-type brake, and tracer signal sends time t1；
S32. band-type brake receives control signal and is operated, and then sends and feeds back signal to processing unit, and record feedback signal is received
To time t2；
S33. basis sends time t1 and time of receipt (T of R) t2 calculates elapsed-time standards T.
S4. analyze whether the elapsed-time standards being calculated exceeds the normal reaction time, to judge whether output abnormality signal
To band-type brake, control band-type brake is closed.Detailed process includes；
S41. whether analysis elapsed-time standards T exceeds the normal reaction time；
S42. work is normally carried out if not, if it is abnormal to judge that band-type brake occurs, is sent fault-signal to band-type brake, is closed band-type brake；
S43. standby band-type brake is simultaneously closed off.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although power input unit, processing unit, failure output unit, control output unit etc. have more been used herein
Term, but it is not precluded from the possibility using other terms.It is used for the purpose of more easily describing and explaining using these terms
The essence of the present invention；Any additional limitation is construed as all to disagree with spirit of the present invention.
Claims (7)
- A kind of 1. band-type brake security monitoring circuit, it is characterised in that：Including band-type brake signal input unit, processing unit, control output Unit, failure output unit and feed back input unit, band-type brake signal input unit are connected with processing unit, processing unit respectively with Control output unit, failure output unit are connected, and feed back input unit is connected with processing unit, and failure output unit, control are defeated Go out the control terminal that unit is connected respectively to band-type brake, feed back input unit is connected with the signal output part of band-type brake；Processing unit：Obtain the output time for controlling output unit to output signals to band-type brake and feed back input unit reception band-type brake is anti- The feedback time of feedback signal, is preset with the band-type brake normal reaction time in processing unit, and processing unit calculates signal and reached and feedback The time returned, by the time being calculated compared with the reaction time, judge whether to export fault-signal, control band-type brake is different Often close.
- A kind of 2. band-type brake security monitoring circuit according to claim 1, it is characterized in that the failure output unit is also connected with To elevator master control system.
- A kind of 3. band-type brake security monitoring circuit according to claim 1, it is characterized in that also including power input unit and electricity Source converting unit, power input unit are connected with power conversion unit, and power conversion unit is connected with processing unit.
- A kind of 4. band-type brake security monitoring circuit according to claim 1 or 2 or 3, it is characterized in that the failure output unit Including being judged to send fault-signal control chip U1, resistance R1, resistance R2, triode Q1, optocoupler OC, relay according to processing unit Device J1, control chip U1 signal outputs pin are connected with optocoupler OC input cathodes, optocoupler OC input anodes and resistance R1 one end It is connected, the resistance R1 other ends are connected with power supply, and optocoupler OC output head anodes are connected with power supply, triode Q1 colelctor electrodes respectively, light Coupling OC negative pole of output end is connected with resistance R2 one end, triode Q1 base stages respectively, triode Q1 emitter stages and relay J1 coils Part one end is connected, and the resistance R2 other ends, the coiler part other end are grounded respectively, and the resistance R2 other ends are also connected to elevator master control System, relay J1 contact parts one end ground connection, the contact part other end are connected to band-type brake control terminal.
- 5. a kind of band-type brake method for safety monitoring, using the system in claim any one of 1-4, it is characterized in that：Including following step Suddenly：S1. the band-type brake normal reaction time is preset in processing unit；S2. work is opened, receives the signal for sending control band-type brake work；S3. signal output is calculated to the band-type brake elapsed-time standards fed back；S4. analyze whether the elapsed-time standards being calculated exceeds the normal reaction time, come judge whether output abnormality signal to embrace Lock, control band-type brake are closed.
- A kind of 6. band-type brake method for safety monitoring according to claim 5, it is characterized in that calculating the mistake of elapsed-time standards in step 3 Journey includes：S31. processing unit is by controlling output unit to output a control signal to band-type brake, and tracer signal sends time t1；S32. band-type brake receives control signal and is operated, and then sends and feeds back signal to processing unit, and record feedback signal is received To time t2；S33. basis sends time t1 and time of receipt (T of R) t2 calculates elapsed-time standards T.
- A kind of 7. band-type brake method for safety monitoring according to claim 5, it is characterized in that the detailed process bag of the step S4 Include；S41. whether analysis elapsed-time standards T exceeds the normal reaction time；S42. work is normally carried out if not, if it is abnormal to judge that band-type brake occurs, is sent fault-signal to band-type brake, is closed band-type brake；S43. standby band-type brake is simultaneously closed off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049455.2A CN107879215A (en) | 2017-10-31 | 2017-10-31 | A kind of band-type brake security monitoring circuit and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049455.2A CN107879215A (en) | 2017-10-31 | 2017-10-31 | A kind of band-type brake security monitoring circuit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107879215A true CN107879215A (en) | 2018-04-06 |
Family
ID=61783171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711049455.2A Pending CN107879215A (en) | 2017-10-31 | 2017-10-31 | A kind of band-type brake security monitoring circuit and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107879215A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066577A (en) * | 2018-09-14 | 2018-12-21 | 深圳众城卓越科技有限公司 | A kind of band-type brake driving circuit |
| CN109399484A (en) * | 2018-11-20 | 2019-03-01 | 日立楼宇技术（广州）有限公司 | A kind of brake control and method |
| CN112630654A (en) * | 2020-12-11 | 2021-04-09 | 广东博智林机器人有限公司 | Band-type brake detection system and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066577A (en) * | 2018-09-14 | 2018-12-21 | 深圳众城卓越科技有限公司 | A kind of band-type brake driving circuit |
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| CN109399484A (en) * | 2018-11-20 | 2019-03-01 | 日立楼宇技术（广州）有限公司 | A kind of brake control and method |
| CN112630654A (en) * | 2020-12-11 | 2021-04-09 | 广东博智林机器人有限公司 | Band-type brake detection system and method |
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Application publication date: 20180406 |
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