CN105967016B - A kind of monitoring device of band-type brake detection switch - Google Patents
A kind of monitoring device of band-type brake detection switch Download PDFInfo
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- CN105967016B CN105967016B CN201610486896.8A CN201610486896A CN105967016B CN 105967016 B CN105967016 B CN 105967016B CN 201610486896 A CN201610486896 A CN 201610486896A CN 105967016 B CN105967016 B CN 105967016B
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- 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
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- Valves And Accessory Devices For Braking Systems (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses a kind of monitoring devices of band-type brake detection switch, including Power Entry Module, control module, signal input module and signal output module, the control module is connect with the Power Entry Module, signal input module, signal output module respectively；The signal input module includes band-type brake switch and band-type brake detection switch, and the control module acts after receiving band-type brake switch and the on-off signal of band-type brake detection switch, controls the on off operating mode of signal output module；When monitoring device is intact, band-type brake switchs and band-type brake detection switch regular event, access is kept between the output port of signal output module, when band-type brake switchs and band-type brake detection switch is in abnormal working position, the access between the output port of signal output module disconnects.The device that the present invention designs eliminates the actuation time interval because of band-type brake switch and band-type brake detection switch due to occurs to report situation by mistake, it is ensured that the accuracy of signal output improves the reliability of apparatus of the present invention.
Description
Technical field
The present invention relates to lift facility security technology area, more particularly to a kind of monitoring device of band-type brake detection switch.
Background technology
With the construction and development of China's modern city, elevator has become people's essential life in skyscraper
Equipment living.However, the use with elevator is more and more common, the safety problem of elevator also increasingly receives the concern of society.Its
In, the core of elevator is brake, and is the vital safety component of elevator, and a large amount of elevator accident case shows by making
Dynamic device breaks down and causes a series of very serious elevator casualty accidents, for another example elevator car slipping, rush to summit, pier bottom, even cut
It cuts, these elevator faults all bring serious threat to the personal safety of people.Thus it is guaranteed that brake is worked normally, is ground
Studying carefully its improved safeguard measure has great practical value.
For this purpose, GB7588-2003《Elevator manufactures and installation safety standard》Clear stipulaties：(1) elevator must have braking system
System, and should have there are one brake release when normally closed type dynamo-electric brake, i.e. energization, no matter electrical source of power dead electricity or control electricity
It should be braked immediately when the power loss of road.(2) all brake mechanical parts for participating in applying to braked wheel or disk brake force should be divided to two
Group installing.If a group parts do not work, there should be enough brake force to make to be loaded with rated load with the sedan-chair of normal speed downlink
Compartment deceleration downlink.(3) brake electric current is cut off, is at least realized using two independent electric devices, no matter these devices and use
Drive whether the electric device of host electric current is integrated to cut off elevator.When elevator stops, if one of contactor
Main contacts is not switched on, and when most late traffic direction next time changes, should prevent elevator from reruning.(4) when car is loaded with 125% volume
When determining lotus and being run down with normal speed, operational brake should be able to make traction machine shut down.In these cases, car
Deceleration caused by safety tongs action or car cushion at collision is not to be exceeded in deceleration.
In addition to ensureing that brake meets national standard to elevator during the work time, while also needing the working condition to brake
It is effectively monitored, is particularly important in brake troubles are taken precautions against and fault alarm works.In this regard, national standard is clearly advised
It is fixed：To including correctly lifting the verification of (or release) to mechanical device from monitoring using host brake is driven
And (or) the verification to brake force.For using correctly lifting (or release) verification to mechanical device and verified to brake force,
The period of brake force from monitoring should not exceed 15 days；For only with (or release) verification is correctly lifted to mechanical device, then
Brake force should be detected when periodic maintenance is maintained；For only with what is verified to brake force, then brake force is not answered from monitoring cycle
More than 24 hours.If detecting failure, next subnormal startup of elevator should be prevented.For from monitoring, pattern examination should be carried out
It tests.The device can be assisted to complete, no matter whether this mechanical device has other in action by the mechanical device connecting with car
Purposes.In addition, in the case of for preventing car accidental movement, monitoring certainly refers under unloaded car static pressure to each solenoid valve
The individual authentication of correct closure or openness should close gate and layer door if detecting failure, and prevent the normal of elevator from opening
It is dynamic.
It is required that the correct of monitoring brake is needed to lift (or release), mesh according to GB7588.1-201X 5.9.2.2.2.1
Preceding common implementation method is one microswitch of installation on brake coil armature, promotes fine motion while armature movement
Switch motion detects microswitch signal to determine brake action situation, to reach monitoring braking by elevator main control board
The correct of device lifts (or release).Since current conventional implementation method needs to realize by elevator primary control program, in new national standard
After implementation, it is meant that carry out type approval test to master control borad, and with each optimization and upgrading of primary control program, be required to certainly
Monitoring part carries out type approval test again.The purpose of the invention is using hardware realization to the microswitch on brake armature
It is monitored, determines whether the sequence of action meets the requirements.
Invention content
The technical problem to be solved in the present invention is, provides a kind of monitoring device of band-type brake detection switch, in real time monitoring electricity
The safe condition of ladder operation, improves the security reliability of elevator.
In order to solve the above technical problems, the present invention provides the following technical solutions：A kind of monitoring device of band-type brake detection switch,
Including Power Entry Module, control module, signal input module and signal output module, the control module respectively with it is described
Power Entry Module, signal input module, signal output module connection；The signal input module includes band-type brake switch and band-type brake
Detection switch, the control module act after receiving band-type brake switch and the on-off signal of band-type brake detection switch, control letter
The on off operating mode of number output module；When monitoring device is intact, band-type brake switch and band-type brake detection switch regular event, signal output
Access is kept between the output port of module, when band-type brake switchs and band-type brake detection switch is in abnormal working position, signal is defeated
The access gone out between the output port of module disconnects.
Further, the signal input module includes a band-type brake switch and its normally-closed contact BZC, the detection of the first band-type brake
Switch its normally-closed contact BK1 and second its normally-closed contact of band-type brake detection switch BK2；BK1, BK2 detect brake both sides respectively
The working condition of band-type brake, when band-type brake switch coil be powered, normally-closed contact BZC switch motions, at this time band-type brake coil obtain electric, make
Normally-closed contact BK1, BK2 of dynamic device action, subsequent first band-type brake detection switch and the second band-type brake detection switch detect brake
Action when also act, by band-type brake switch and the actuating signal input control module of band-type brake detection switch.
Further, the control module includes relay unit, the first normally opened contact unit, electrolytic capacitor C and electricity
R is hindered, the relay unit includes relay K1, K2, K3, K4, and the first normally opened contact unit includes the normal of relay K1
The normally opened contact NO3 of contact NO1, the normally opened contact NO2 of relay K2, relay K3 are opened, wherein
The relay K1 is used to monitor the action state of normally-closed contact BK1, and one end of the relay K1 is touched with normally closed
One end of point BK1 is connected in series with, the positive electrode of the other end connection Power Entry Module of the relay K1, the normally-closed contact
The negative electrode of the other end connection Power Entry Module of BK1；
The relay K2 is used to monitor the action state of BK2, one end of the relay K2 and the one of normally-closed contact BK2
End is connected in series with, and the positive electrode of the other end connection Power Entry Module of the relay K2, the normally-closed contact BK2's is another
The negative electrode of end connection Power Entry Module；
The relay K3 is used to monitor the action state of BZC, one end of the relay K3 and the one of normally-closed contact BZC
End is connected in series with, and the positive electrode of the other end connection Power Entry Module of the relay K3, the normally-closed contact BZC's is another
The negative electrode of end connection Power Entry Module；
The relay K4 is used to keep being attracted during band-type brake switch motion to band-type brake detection switch acts, to be installed
Set complete circuit switching after relay K4 coil losing electricities discharge, the relay K4, normally opened contact NO1, normally opened contact NO2, often
Open contact NO3 be sequentially connected in series and the relay K4 connect the negative electrode of the Power Entry Module, the normally opened contact NO3 connect
Connect the positive electrode of the Power Entry Module；
The electrolytic capacitor C is connected in parallel after connecting with the resistance R with relay K4.
Further, the control module further includes sustained diode 1, D2, D3, D4, the sustained diode 1, D2,
D3, D4 are in parallel with described relay K1, K2, K3, K4 respectively.
Further, the anode of the sustained diode 1 connect with the one end the normally-closed contact BK1, cathode and the electricity
The positive electrode of source input module connects, the anode of the sustained diode 2 connect with the one end the normally-closed contact BK2, cathode and
The positive electrode of the Power Entry Module connects, the anode of the sustained diode 3 connect with the one end the normally-closed contact BZC,
Cathode is connect with the positive electrode of the Power Entry Module, the anode of the sustained diode 4 and the Power Entry Module
Negative electrode connection, cathode are connect with the one end the normally opened contact NO1.
Further, the signal output module include normally-closed contact unit, the second normally opened contact unit, output end Y1 with
And output end Y2, the normally-closed contact unit include normally-closed contact NC1, NC2, NC3, NC4, NC5, the second normally opened contact list
Member includes normally opened contact NO4, NO5, NO6, NO7, NO8, NO9, NO10, NO11, NO12, wherein
Described normally opened contact NO4, NO5, NO6 are sequentially connected in series and the normally opened contact NO4 connections output end Y2, described
The normally opened contact NO6 connections output end Y1；
Described normally-closed contact NC1, NC2, NC3 are sequentially connected in series and the normally-closed contact NC1 connections output end Y2, described
The normally-closed contact NC3 connections output end Y1；
Described normally opened contact NO7, NO8, NO9, NO10, NO11, NO12 are sequentially connected in series and normally opened contact NO7 connections institute
State output end Y2, the normally opened contact NO12 connections output end Y1；
The one end the normally-closed contact NC4 connects the normally opened contact NO8, the other end connects the normally opened contact NO11；
The one end the normally-closed contact NC5 connects the output end Y2, the other end connects the normally opened contact NO9.
Further, the normally-closed contact NC1 is the normally-closed contact of relay K1, and the normally-closed contact NC2 is relay
The normally-closed contact of K2, described normally-closed contact NC3, NC4, NC5 be relay K3 normally-closed contact, the normally opened contact NO4, NO7,
NO9 is the normally opened contact of relay K1, and described normally opened contact NO5, NO8, NO10 are the normally opened contact of relay K2, described normally opened
Contact NO6, NO11, NO12 are the normally opened contact of relay K3.
Further, the monitoring device further includes alarm module, the alarm module and the signal output module
Output end Y1 and output end Y2 connections.
Further, the Power Entry Module provides 24V DC voltages.
After adopting the above technical scheme, the present invention at least has the advantages that：
(1) effect of Power Entry Module of the present invention is that stable 24V DC voltages are provided for relay, and signal inputs mould
Block mainly inputs the switching signal of a normally closed auxiliary contact of 2 band-type brake detection switch and band-type brake contactor, and control module is received
The relay work in corresponding line is driven after to switching signal, relay coil, which is powered, to be attracted, and contact switch also moves therewith
Make, i.e., normally-closed contact disconnects or normally opened contact is closed.In signal output module, by the normally opened contact of four relays or normally closed
Contact is combined, and four circuits are linked to be between output end Y1, Y2.It indicates to embrace if keeping access between output end Y1, Y2
Lock detection switch works normally；Band-type brake detection switch operation irregularity is indicated if the access between output end Y1, Y2 disconnects or is embraced
A certain component malfunction in the monitoring device of lock detection switch, the access between output end Y1, Y2 should drive if disconnecting
Dynamic warning circuit sends out fault warning.
(2) effect that the monitoring device of band-type brake detection switch reaches：Under normal circumstances, normally closed to touch when elevator normal operation
Point BZC, normally-closed contact BK1, normally-closed contact BK2 all be closed, at this time output end Y1, Y2 by circuit A (normally opened contact NO4,
NO5, NO6 are sequentially connected in series), circuit C1D2 (normally opened contact NO7, NO8, NO9, NO10 are sequentially connected in series) connect；When elevator brake, system
Dynamic device action, normally-closed contact BZC are first disconnected, and output end Y1Y2 is by circuit C1C2 (normally opened contact NO7, NO8 and normally-closed contact at this time
NC4 is sequentially connected in series), circuit C1D2, circuit D1C2 (normally-closed contact NC4 series connection, NC5 series connection), circuit D1D2 (normally-closed contact NC5
It is sequentially connected in series with normally opened contact NO9, NO10) it connects；When BK1, BK2 are also simultaneously switched off, output end Y1, Y2 are (normally closed by circuit B
NC1, NC2, NC3 are sequentially connected in series for contact), circuit D1C2 connects；To the end of relay K4 delays, normally opened contact NO11 or NO12 are disconnected
It opens, output end Y1, Y2 are only connected by circuit B.In sum, the monitoring dress of this band-type brake detection switch when elevator is run under normal circumstances
Setting should be connected by circuit A, and the monitoring device of this band-type brake detection switch should be connected by circuit B when elevator brake.Wherein circuit C1C2,
The effect of C1D2, D1C2, D1D2 are that ensureing that the roads A are connected smoothly transits to circuit B, to eliminate due to actuation time interval
Wrong report situation occurs.
Description of the drawings
Fig. 1 is a kind of comprising modules figure of the monitoring device of band-type brake detection switch of the present invention.
Fig. 2 is a kind of signal input module of the monitoring device of band-type brake detection switch of the present invention and control module circuit theory
Figure.
Fig. 3 is a kind of signal output module circuit diagram of the monitoring device of band-type brake detection switch of the present invention.
Fig. 4 is a kind of work flow diagram of the monitoring device of band-type brake detection switch of the present invention.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
It mutually combines, the application is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the present invention provides a kind of monitoring device of band-type brake detection switch, including Power Entry Module, control
Module, signal input module and signal output module, control module input mould with the Power Entry Module, signal respectively
Block, signal output module connection；Power Entry Module provides present apparatus 24V DC voltages；Signal input module includes that band-type brake is opened
It closes and band-type brake detection switch, control module is acted after receiving band-type brake switch and the on-off signal of band-type brake detection switch, controlled
The on off operating mode of signal output module processed；When monitoring device is intact, band-type brake switch and band-type brake detection switch regular event, signal
Access is kept between the output port of output module, when band-type brake switchs and band-type brake detection switch is in abnormal working position, letter
Access between the output port of number output module disconnects.
Signal input module include band-type brake switch and its normally-closed contact BZC, the first band-type brake detection switch its normally closed touch
Point BK1, second its normally-closed contact of band-type brake detection switch BK2；BK1, BK2 detect the working condition of brake both sides band-type brake respectively,
When the coil of band-type brake switch is powered, normally-closed contact BZC switch motions, at this time band-type brake coil obtain electric, brake action, subsequent the
Normally-closed contact BK1, BK2 of one band-type brake detection switch and the second band-type brake detection switch, which are detected, also to be occurred to move when brakeage
Make, by the actuating signal input control module of band-type brake switch and band-type brake detection switch.
As shown in Fig. 2, module and signal input module circuit diagram in order to control, control module include relay unit,
First normally opened contact unit, a series of fly-wheel diodes, electrolytic capacitor C and resistance R, signal input module include band-type brake switch
And its normally-closed contact BZC, band-type brake detection switch and its normally-closed contact BK1 and normally-closed contact BK2, relay unit include relay
K1, K2, K3, K4, the first normally opened contact unit include the normally opened contact NO1 of relay K1, relay K2 normally opened contact NO2,
The normally opened contact NO3 of relay K3：
Wherein, relay K1 is used to monitor the action state of normally-closed contact BK1, one end of relay K1 and normally-closed contact
One end of BK1 is connected in series with, the positive electrode connection of the other end connection Power Entry Module of relay K1, normally-closed contact BK1's
The other end connects the negative electrode of Power Entry Module；
Relay K2 is used to monitor the action state of BK2, and one end of relay K2 is connected company with one end of normally-closed contact BK2
It connects, the positive electrode of the other end connection Power Entry Module of relay K2, the other end of normally-closed contact BK2 connects power input mould
The negative electrode of block；
Relay K3 is used to monitor the action state of BZC, and one end of relay K3 is connected company with one end of normally-closed contact BZC
It connects, the positive electrode of the other end connection Power Entry Module of relay K3, the other end of normally-closed contact BZC connects power input mould
The negative electrode of block；
Relay K4 is used to keep being attracted during band-type brake switch motion to band-type brake detection switch acts, and waits for that device is complete
It is discharged at relay K4 coil losing electricities after circuit switching, relay K4, normally opened contact NO1, normally opened contact NO2, normally opened contact NO3
It is sequentially connected in series and the negative electrode of the relay K4 connections Power Entry Module, normally opened contact NO3 connection Power Entry Modules
Positive electrode；
Electrolytic capacitor C is connected in parallel after connecting with the resistance R with relay K4；
Sustained diode 1, D2, D3, D4 are in parallel with relay K1, K2, K3, K4 respectively, the anode of sustained diode 1 with
The positive electrode of the connection of the one end normally-closed contact BK1, cathode and Power Entry Module connects, and the anode of sustained diode 2 is touched with normally closed
The positive electrode of the connection of the one end point BK2, cathode and Power Entry Module connects, anode and the normally-closed contact BZC of sustained diode 3
The positive electrode of one end connection, cathode and Power Entry Module connects, the anode of sustained diode 4 and bearing for Power Entry Module
Electrode connection, cathode and the one end normally opened contact NO1 connect.
As shown in figure 3, signal output module include normally-closed contact unit, the second normally opened contact unit, output end Y1 and
Output end Y2, normally-closed contact unit include the normally-closed contact NC1 of relay K1, the normally-closed contact NC2 of relay K2 and relay
Normally-closed contact NC3, NC4, NC5 of device K3, the second normally opened contact unit include normally opened contact NO4, NO7 of relay K1, NO9,
Normally opened contact NO5, NO8, NO10 of relay K2 and normally opened contact NO6, NO11, NO12 of relay K3：
Wherein, normally opened contact NO4, NO5, NO6 is sequentially connected in series and normally opened contact NO4 connection output ends Y2, normally opened contact NO6
Connect the output end Y1；
Normally-closed contact NC1, NC2, NC3 are sequentially connected in series and the normally-closed contact NC1 connections output end Y2, described normally closed
Contact NC3 connection output ends Y1；
Normally opened contact NO7, NO8, NO9, NO10, NO11, NO12 are sequentially connected in series and normally opened contact NO7 connection output ends Y2,
Normally opened contact NO12 connection output ends Y1；
The one end normally-closed contact NC4 connects normally opened contact NO8, other end connection normally opened contact NO11；
The one end normally-closed contact NC5 connects output end Y2, other end connection normally opened contact NO9.
Further, circuit is described for clarity, as shown in figure 3, normally opened contact NO4, NO5, NO6 are followed in series to form line
Road A, normally-closed contact NC1, NC2, NC3 are followed in series to form circuit B, and normally opened contact NO7, NO8, NO9, NO10 are followed in series to form
Circuit C1D2, normally opened contact NO7, NO8 and normally-closed contact NC4 are followed in series to form circuit C1C2, normally-closed contact NC4 series connection, NC5
Series circuit constitutes D1C2, and normally-closed contact NC5 and normally opened contact NO9, NO10 are followed in series to form circuit D1D2.
Apparatus of the present invention further include alarm module, the output end Y1 and output end Y2 of alarm module and signal output module
Connection.
Embodiment
The work flow diagram of the present apparatus as shown in Figure 4, the present apparatus use switch element be four relay K1, K2,
K3, K4, wherein the function that relay K1 is realized is to monitor the action state of normally-closed contact BK1, and the function that relay K2 is realized is
The action state of normally-closed contact BK2 is monitored, the function that relay K3 is realized is to monitor the action state of normally-closed contact BZC, relay
The function that device K4 is realized is to keep being attracted during band-type brake contactor action is acted to band-type brake detection switch, waits for that device is completed
Relay K4 coil losing electricities discharge after circuit switching, and switch contact disconnects the transition circuit between output end Y1, Y2.
When elevator normal operation, brake is in the state that declutches, and wherein brake is band-type brake described above, at this time device
It is in standby, normally-closed contact BZC, BK1, BK2 are to be closed, at this time by circuit A, circuit between output end Y1, Y2
C1D2 is connected；When elevator brake, normally-closed contact BZC is first disconnected, brake action, and output end Y1, Y2 is by circuit C1C2, line at this time
Road C1D2, circuit D1C2, circuit D1D2 are connected；When subsequent normally-closed contact BK1, BK2 are also disconnected, output end Y1, Y2 by circuit B,
Circuit D1C2 is connected；To the end of relay K4 delays, normally opened contact NO11 or NO12 are disconnected, and output end Y1, Y2 are only connect by circuit B
It is logical.Device can report failure, normally-closed contact BK1, BK2, BZC to have following several under normally-closed contact BK1, BK2, BZC fault condition
Fault condition：
If normally-closed contact BK1, BK2 action is asynchronous：When brake action, when normally-closed contact BK1, BK2 action is asynchronous
When (one of band-type brake detection switch cannot disconnect in time), output end Y1, Y2 are disconnected automatically；
If normally-closed contact BK1 or normally-closed contact BK2 normal opens：When brake action, because of normally-closed contact BK1 or normally-closed contact
BK2, which sticks together, to be failed to disconnect in time, and after waiting for relay K4 delays, output end Y1, Y2 are disconnected automatically；
If normally-closed contact BK1 or normally-closed contact BK2 are normally opened：Normally-closed contact BK1 or normally-closed contact BK2 are when standby at the beginning
It is not closed, then output end Y1, Y2 can be disconnected always；
If normally-closed contact BK1 or normally-closed contact BK2 damages：Feedback switch damage (can not be closed) when standby, then directly
It disconnects；Feedback switch damage (can not disconnect), fails to break because normally-closed contact BK1 or normally-closed contact BK2 sticks together when operation
When opening, after waiting for relay K4 delays, output end Y1, Y2 are disconnected automatically；
If normally-closed contact BZC normal opens：When normally-closed contact BK1, BK2 action of band-type brake detection switch, output end Y1, Y2 are automatic
It disconnects；
If normally-closed contact BZC is normally opened：Normally-closed contact BZC is not closed when standby at the beginning, then output end Y1, Y2 can be always
It disconnects.
Malfunction and failure analysis is done below for the other component in a kind of monitoring device of band-type brake detection switch：
1, relay K1 or relay K2 do not discharge：When brake action, because relay K1 or relay K2 cannot be timely
When release, after waiting for relay K4 delays, output end Y1, Y2 are disconnected automatically, should be quoted if output port circuit taking alarm
Fault-signal；
2, relay K3 does not discharge：When normally-closed contact BK1, BK2 action of band-type brake detection switch, output end Y1, Y2 are automatic
It disconnects, fault-signal should be quoted if output port circuit taking alarm；
3, relay K1 or relay K2 cannot be attracted：Relay K1 or relay K2 is not attracted when standby at the beginning,
Then output end Y1, Y2 can be disconnected always, and fault-signal should be quoted if output port circuit taking alarm；
4, relay K3 cannot be attracted：It is not attracted when relay K3 is standby at the beginning, then output end Y1, Y2 can break always
It opens, fault-signal should be quoted if output port circuit taking alarm；
5, relay K4 cannot discharge：Because relay K4 deenergizations can not discharge, therefore normally opened contact NO4 or normally opened is touched
Point NO5 cannot be disconnected, therefore output end Y1, Y2 keep circuit B to connect；Failure letter should be quoted if output port circuit taking alarm
Number；
6, relay K4 cannot be attracted：When brake action, normally-closed contact BZC is disconnected when acting, and output end Y1, Y2 will
It is automatic to disconnect, it should quote fault-signal if output port circuit taking alarm；
7, normally opened contact NO1 or normally opened contact NO2 normal opens (switch adhesion)：Brake action, normally-closed contact BK1, BK2 are disconnected
When opening, because normally opened contact NO1 or normally opened contact NO2 stick together, other control switches of relay can not be operating normally
, to the end of relay K4 delays, output end Y1, Y2 are disconnected automatically, and failure letter should be quoted if output port circuit taking alarm
Number；8, normally opened contact NO1 or normally opened contact NO2 are normally opened：Under standby mode, because normally opened contact NO1 or normally opened contact NO2 are normally opened,
Therefore output end Y1, Y2 are only connected by A；Brake action, normally-closed contact BZC are disconnected, and output end Y1, Y2 will be disconnected automatically, if
Output port circuit taking alarm should then quote fault-signal；
9, normally opened contact NO3 normal opens：It is defeated when normally-closed contact BK1, BK2 of band-type brake monitoring switch are acted after brake action
Outlet Y1, Y2 disconnects automatically, and fault-signal should be quoted if output port circuit taking alarm；
10 normally opened contact NO3 are normally opened：Under standby mode, because normally opened contact NO1 or normally opened contact NO2 are normally opened, therefore output end
Y1, Y2 are only connected by circuit A；Brake action, normally-closed contact BZC are disconnected, and output end Y1, Y2 will be disconnected automatically, if output
Port circuit taking alarm should then quote fault-signal；
11, normally opened contact NO11 or normally opened contact NO12 normal opens：Under standby mode, output end Y1, Y2 are by circuit A, C1D2
It connects；When brake action, normally-closed contact BZC is first disconnected, and when normally-closed contact BK1, BK2 are also then disconnected, waits for that relay K4 prolongs
When terminate, output end Y1, Y2 keeps circuit B to connect；
12, normally opened contact NO11 or normally opened contact NO12 are normally opened：Under standby mode, because of normally opened contact NO11 or normally opened contact
NO12 is normally opened, therefore output end Y1, Y2 are only connected by circuit A；Brake action, normally-closed contact BZC are disconnected, and output end Y1, Y2 are just
It can disconnect automatically, fault-signal should be quoted if output port circuit taking alarm；
13, normally opened contact NO4 or normally opened contact NO5 normal opens (switch adhesion)：Under standby mode, output end Y1, Y2 are by line
Road A, C1D2 are connected；When brake action, normally-closed contact BZC is first disconnected, when normally-closed contact BK1, BK2 are also then disconnected, because after
Electric appliance K1 or relay K2 switches stick together, normally opened contact NO4 or normally opened contact NO5 normal opens, other controls of relay
Switch can not be operating normally, and to the end of relay K4 delays, output end Y1, Y2 are disconnected automatically, if output port is taking alarm
Circuit should then quote fault-signal；
14, normally opened contact NO4 or normally opened contact NO5 are normally opened：Under standby mode, output end Y1, Y2 are only connect by circuit C1D2
It is logical；When brake action, normally-closed contact BZC is first disconnected, and when normally-closed contact BK1, BK2 are also then disconnected, waits for relay K4 delays
Terminate, output end Y1, Y2 are only connected by circuit B；
15, normally opened contact NO6 normal opens：Under standby mode, output end Y1, Y2 are connected by circuit A, circuit C1D2；Brake
Action, BZC are first disconnected, but relay K3 switches stick together, normally opened contact NO6 normal opens, other control switches of relay
Cannot be operating normally, so when output end Y1, Y2 still keep not turning off, it is defeated when feedback switch BK1, BK2 are also simultaneously switched off
Outlet Y1, Y2 just disconnects automatically, and fault-signal should be quoted if output port circuit taking alarm；
16, normally opened contact NO6 is normally opened：Under standby mode, output end Y1, Y2 are only connected by circuit C1D2；Brake action
When, normally-closed contact BZC is first disconnected, when normally-closed contact BK1, BK2 are also then disconnected, to the end of relay K4 delays, output end Y1,
Y2 keeps being connected by the roads circuit B；
17, normally-closed contact NC1 or normally-closed contact NC2 normal opens：Under standby mode, because of relay K1 or relay K2 switch hairs
Other control switches of raw adhesion, normally-closed contact NC1 or normally-closed contact NC2 normal opens, relay can not be operating normally, therefore defeated
Outlet Y1, Y2 remains open, and fault-signal should be quoted if output port circuit taking alarm；
18, normally-closed contact NC1 or normally-closed contact NC2 are normally opened：Under standby mode, output end Y1Y2 is connected by A, C1D2；System
When dynamic device action, normally-closed contact BZC is first disconnected, when normally-closed contact BK1, BK2 are also then disconnected, to the end of relay K4 delays,
Output end Y1, Y2 are disconnected automatically, and fault-signal should be quoted if output port circuit taking alarm；
19, normally-closed contact NC3 normal opens：Under standby mode, relay K1 or relay K2 normal works, but relay K3 is opened
Pass sticks together, other switches will not work normally, and output end Y1, Y2 keep automatic and disconnect, if output port is taking alarm
Circuit should then quote fault-signal；
20, normally-closed contact NC3 is normally opened：Under standby mode, output end Y1, Y2 are connected by circuit A, C1D2；Brake action
When, normally-closed contact BZC is first disconnected, when normally-closed contact BK1, BK2 are also then disconnected, to the end of relay K4 delays, output end Y1,
Y2 is disconnected automatically, and fault-signal should be quoted if output port circuit taking alarm；21, normally opened contact NO7 or normally opened contact NO8 are normal
It is logical：Under standby mode, output end Y1, Y2 are connected by circuit A, C1D2；When brake action, normally-closed contact BZC is first disconnected, normally closed
When contact BK1, BK2 are also then disconnected, because relay K1 or relay K2 switches stick together, normally opened contact NO7 or normally opened is touched
Other control switches of point NO8 normal opens, relay can not be operating normally, to the end of relay K4 delays, output end Y1, Y2
It is automatic to disconnect, it should quote fault-signal if output port circuit taking alarm；
22, normally opened contact NO7 or normally opened contact NO8 are normally opened：Under standby mode, because of normally opened contact NO7 or normally opened contact
NO8, normally opened output end Y1, Y2 are only connected by circuit A；To the end of relay K4 delays, output end Y1, Y2 are disconnected automatically, if defeated
Exit port circuit taking alarm should then quote fault-signal；
23, normally-closed contact NC4 normal opens：Under standby mode, relay K1 or relay K2 normal works, but relay K3 is opened
Pass sticks together, other switches will not work normally, and output end Y1, Y2 are remained open, if output port circuit taking alarm
Fault-signal should then be quoted；
24, normally-closed contact NC4 is normally opened：Under standby mode, output end Y1, Y2 are connected by circuit A, C1D2；Brake action,
Normally-closed contact BZC is first disconnected, after being delayed to relay K4 when subsequent normally-closed contact BK1, BK2 are also disconnected, output end Y1, Y2
The roads B are kept to connect；
25, normally-closed contact NC5 normal opens：Under standby mode, relay K1 or relay K2 normal works, but relay K3 is opened
Pass sticks together, other switches will not work normally, and output end Y1, Y2 are remained open, if output port circuit taking alarm
Fault-signal should then be quoted；
26, normally-closed contact NC5 is normally opened：Under standby mode, output end Y1, Y2 are connected by circuit A, C1D2；Wait for relay K4
Delay terminates, and output end Y1, Y2 keep circuit B to connect, 27, normally opened contact NO9 or normally opened contact NO10 normal opens：Standby mode
Under, output end Y1, Y2 are connected by circuit A, C1D2；Because relay K1 or relay K2 switches stick together, normally opened contact NO9 or
Other control switches of normally opened contact NO10 normal opens, relay can not be operating normally, to the end of relay K4 delays, output
Y1, Y2 are disconnected automatically at end, and fault-signal should be quoted if output port circuit taking alarm；
28, normally opened contact NO9 or normally opened contact NO10 are normally opened：Under standby mode, normally opened contact NO9 or normally opened contact NO are normal
It opens, therefore output end Y1, Y2 are only connected by circuit A；To the end of relay K4 delays, output end Y1, Y2 keep circuit B to connect；
Malfunction and failure analysis is done for each component in a kind of monitoring device of band-type brake detection switch, obtains and fills herein
It sets under individual fault condition, security risk will not be caused by normally working elevator.
In conclusion the present apparatus is by the way that in the case where elevator is run and brakes two states, comparison band-type brake switchs and band-type brake detection
As a result the state of switch is exported by output port Y1, Y2, to reach the effect for judging whether band-type brake detection switch is operating normally
Fruit.By increasing by four circuits of the multipair contact composition of relay, ensure to be transitioned into elevator in elevator operation with this
Under on-position, the roads A, which are connected, is transitioned into the connection of the roads B, and after time-delay relay release, automatic disconnect is exited.This design excludes
Occur to report situation by mistake because of band-type brake switch and the actuation time interval of band-type brake detection switch, it is ensured that signal output it is accurate
Property, improve the reliability of apparatus of the present invention.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understand, can these embodiments be carried out with a variety of equivalent changes without departing from the principles and spirit of the present invention
Change, change, replacing and modification, the scope of the present invention are limited by appended claims and its equivalency range.
Claims (9)
1. a kind of monitoring device of band-type brake detection switch, which is characterized in that defeated including Power Entry Module, control module, signal
Enter module and signal output module, the control module is defeated with the Power Entry Module, signal input module, signal respectively
Go out module connection；The signal input module includes that band-type brake switch and band-type brake detection switch, the control module receive band-type brake
It is acted after switch and the on-off signal of band-type brake detection switch, controls the on off operating mode of signal output module；It is filled in the monitoring
Set it is intact, trouble-free under the premise of, when the device monitoring to band-type brake switch and band-type brake detection switch regular event, signal export mould
Access is kept between the output port of block, when the device band-type brake switchs or band-type brake detection switch one cannot be operating normally, signal
Access between the output port of output module disconnects.
2. a kind of monitoring device of band-type brake detection switch according to claim 1, which is characterized in that the signal inputs mould
Block includes a band-type brake switch and its normally-closed contact BZC, first band-type brake detection switch its normally-closed contact BK1 and the inspection of the second band-type brake
Its normally-closed contact of slowdown monitoring switch BK2；BK1, BK2 detect the working condition of band-type brake both sides respectively, when band-type brake switch coil be powered,
Normally-closed contact BZC switch motions, at this time band-type brake coil obtain electric, brake action, subsequent first band-type brake detection switch and second armful
Normally-closed contact BK1, BK2 of lock detection switch are also acted when detecting the action of band-type brake, and band-type brake switch is detected with band-type brake
The actuating signal input control module of switch.
3. a kind of monitoring device of band-type brake detection switch according to claim 2, which is characterized in that the control module packet
Include relay unit, the first normally opened contact unit, electrolytic capacitor C and resistance R, the relay unit include relay K1,
K2, K3, K4, the first normally opened contact unit include the normally opened contact NO1 of relay K1, relay K2 normally opened contact NO2,
The normally opened contact NO3 of relay K3, wherein the relay K1 is used to monitor the action state of normally-closed contact BK1, the relay
One end of device K1 and one end of normally-closed contact BK1 are connected in series with, the other end connection Power Entry Module of the relay K1
Positive electrode, the negative electrode of the other end connection Power Entry Module of the normally-closed contact BK1；
The relay K2 is used to monitor the action state of BK2, and one end of the relay K2 is gone here and there with one end of normally-closed contact BK2
Connection connection, the positive electrode of the other end connection Power Entry Module of the relay K2, the other end of the normally-closed contact BK2 connect
Connect the negative electrode of Power Entry Module；
The relay K3 is used to monitor the action state of BZC, and one end of the relay K3 is gone here and there with one end of normally-closed contact BZC
Connection connection, the positive electrode of the other end connection Power Entry Module of the relay K3, the other end of the normally-closed contact BZC connect
Connect the negative electrode of Power Entry Module；
The relay K4 is used to keep being attracted during band-type brake switch motion to band-type brake detection switch acts, and waits for that device is complete
Discharged at relay K4 coil losing electricities after circuit switching, the relay K4, normally opened contact NO1, normally opened contact NO2, it is normally opened touch
Point NO3 is sequentially connected in series and the relay K4 connects the negative electrode of the Power Entry Module, normally opened contact NO3 connections institute
State the positive electrode of Power Entry Module；
The electrolytic capacitor C is connected in parallel after connecting with the resistance R with relay K4.
4. a kind of monitoring device of elevator internal contracting brake detection switch according to claim 3, which is characterized in that the control mould
Block further includes sustained diode 1, D2, D3, D4, the sustained diode 1, D2, D3, D4 respectively with the relay K1, K2,
K3, K4 are in parallel.
5. a kind of monitoring device of band-type brake detection switch according to claim 4, which is characterized in that the fly-wheel diode
The anode of D1 is connect with the one end the normally-closed contact BK1, cathode is connect with the positive electrode of the Power Entry Module, the afterflow
The anode of diode D2 is connect with the one end the normally-closed contact BK2, cathode is connect with the positive electrode of the Power Entry Module, institute
The anode for stating sustained diode 3 connect with the one end the normally-closed contact BZC, the positive electrode of cathode and the Power Entry Module
Connection, the anode of the sustained diode 4 connect with the negative electrode of the Power Entry Module, cathode and the normally opened contact
The one end NO1 connects.
6. a kind of monitoring device of band-type brake detection switch according to claim 1, which is characterized in that the signal exports mould
Block includes that normally-closed contact unit, the second normally opened contact unit, output end Y1 and output end Y2, the normally-closed contact unit include
Normally-closed contact NC1, NC2, NC3, NC4, NC5, the second normally opened contact unit include normally opened contact NO4, NO5, NO6, NO7,
NO8, NO9, NO10, NO11, NO12, wherein
Described normally opened contact NO4, NO5, NO6 are sequentially connected in series and the normally opened contact NO4 connections output end Y2, described normally opened
The contact NO6 connections output end Y1；
Described normally-closed contact NC1, NC2, NC3 are sequentially connected in series and the normally-closed contact NC1 connections output end Y2, described normally closed
The contact NC3 connections output end Y1；
Described normally opened contact NO7, NO8, NO9, NO10, NO11, NO12 are sequentially connected in series and the normally opened contact NO7 connections are described defeated
Outlet Y2, the normally opened contact NO12 connections output end Y1；
The one end the normally-closed contact NC4 connects the normally opened contact NO8, the other end connects the normally opened contact NO11；
The one end the normally-closed contact NC5 connects the output end Y2, the other end connects the normally opened contact NO9.
7. a kind of monitoring device of band-type brake detection switch according to claim 6, which is characterized in that the normally-closed contact
NC1 be relay K1 normally-closed contact, the normally-closed contact NC2 be relay K2 normally-closed contact, the normally-closed contact NC3,
NC4, NC5 are the normally-closed contact of relay K3, and described normally opened contact NO4, NO7, NO9 are the normally opened contact of relay K1, described
Normally opened contact NO5, NO8, NO10 are the normally opened contact of relay K2, and described normally opened contact NO6, NO11, NO12 are relay K3
Normally opened contact.
8. a kind of monitoring device of band-type brake detection switch according to claim 6, which is characterized in that the monitoring device is also
Including alarm module, the alarm module is connect with the output end Y1 of the signal output module and output end Y2.
9. a kind of monitoring device of band-type brake detection switch according to claim 1, which is characterized in that the power input mould
Block provides 24V DC voltages.
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| CN201610486896.8A CN105967016B (en) | 2016-06-24 | 2016-06-24 | A kind of monitoring device of band-type brake detection switch |
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| CN201610486896.8A CN105967016B (en) | 2016-06-24 | 2016-06-24 | A kind of monitoring device of band-type brake detection switch |
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| CN105967016B true CN105967016B (en) | 2018-09-11 |
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| CN110540117B (en) * | 2019-04-03 | 2024-06-11 | 浙江梅轮电梯股份有限公司 | Remote testing device for non-machine room brake |
| CN110294380B (en) * | 2019-07-09 | 2020-11-10 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Elevator brake band-type brake response performance monitoring method and monitoring device based on data driving |
| CN110759200B (en) * | 2019-10-29 | 2024-07-12 | 迅达（中国）电梯有限公司 | Braking force verification device for elevator without machine room |
| CN112305975B (en) * | 2020-11-18 | 2022-12-20 | 上海高桥捷派克石化工程建设有限公司 | Remote control's select switch |
| CN113443527A (en) * | 2021-06-29 | 2021-09-28 | 苏州汇川控制技术有限公司 | Self-learning method, main controller, control system and storage medium |
| CN113772507B (en) * | 2021-09-09 | 2023-04-14 | 广东省特种设备检测研究院珠海检测院 | Method for detecting wiring form of fault protection switch of elevator brake |
| CN114148854B (en) * | 2021-12-08 | 2023-05-26 | 武汉捷能自动化技术有限公司 | Elevator band-type brake detection method and system |
| CN114933219B (en) * | 2022-04-15 | 2024-03-15 | 康力电梯股份有限公司 | Electric brake release device capable of performing self-diagnosis on state of operation button |
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