CN108002164A - A kind of elevator brake operating state detection device and detection method - Google Patents
A kind of elevator brake operating state detection device and detection method Download PDFInfo
- Publication number
- CN108002164A CN108002164A CN201711407733.7A CN201711407733A CN108002164A CN 108002164 A CN108002164 A CN 108002164A CN 201711407733 A CN201711407733 A CN 201711407733A CN 108002164 A CN108002164 A CN 108002164A
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- elevator
- brake
- pressure
- switch
- pressure sensor
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
The present invention relates to a kind of elevator brake operating state detection device and detection method.Elevator brake includes brake block, braked wheel and the pressure sensor for detecting pressure value between brake block and braked wheel；Pressure sensor is electrically connected elevator control circuit, and pressure value is transmitted to elevator control circuit, and elevator control circuit controls elevator to run according to pressure value.Implement the present invention, realize the real-time direct monitoring to brake operating state, overcome existing monitoring device brake block wearing treatment, brake clearance it is too small be not easy to adjust, elevator operational shock processing, fixed form cannot accomplish the defects of embedded, fixed unreliable, mounting and adjusting is easily affected by human factors etc., effectively avoid it is existing be likely to occur with monitoring element with actual on-position it is asynchronous, solve the problems, such as monitoring device wrong report or failure, improve the security of elevator.
Description
Technical field
The present invention relates to elevator brake field, more specifically to a kind of elevator brake operating state detection device
And detection method.
Background technology
Elevator is widely used in the high buildings and large mansions of modern society as a kind of ripe vertical transport instrument.Generally
Think using the greateset risk of elevator be it is out of control operation (be embodied in fall, uplink exceed the speed limit, shearing injury etc.).For such
Risk, the reply design of elevator is stop system under normal circumstances and safety system in emergency circumstances.At present, normally
In the case of stop system generally all use this pattern of elevator brake, safety system in emergency circumstances has elevator system
The patterns such as dynamic device, limiter of speed-safety tongs, rope brake.
Brake is the final executive component of many safety guards of elevator, and one of most important component of elevator,
The braking of elevator emergency situation and remains stationary state all depend directly on brake.Regulatory authorities improve electricity in recent years
The manufacturer's standard requirement of ladder, to increase its usage safety performance, but two newly-increased safety components --- up-running over-speed protection fills
Put and unintended car movement protection device, be still used as its stop executive component by the use of elevator brake mostly in design.And one
Braking of brake system and (or) brake safety protection thrashing in emergency circumstances of the denier as stop executive component, electricity
For terraced user there will be great risk, this is also the basic reason that elevator accidental movement causes people's casualty accident.
Elevator standard requirement, the brake mechanical part of every elevator should divide two groups or more installing, this be in order to
When preventing that one of which mechanical part from failing, remaining mechanical part can also slow down the carriage that downlink is fully loaded with normal speed.
And in fact, the situation that multigroup independent elevator brake mechanical part fails at the same time can not possibly occur substantially, its failure is that have
One evolution.In this development, brake due to the abrasion of braking member, into dirt, temperature change etc.
Reason, is usually all that interval card resistance phenomenon occurs first for one of which mechanical part, card resistance causes it not open a sluice gate or do not close a floodgate.No
Open a sluice gate that this group of brake mechanical part can be made to drag lock to run, abrasion causes ultimate failure；Not closing a floodgate can make the brake only surplus
The situation of remaining mechanical part work, leaves serious security risk.If the above situation is not found in time, will develop
The thing such as situation about all failing into multigroup independent mechanical part of elevator brake, final generation carriage is rushed to summit, crouching bottom, shearing
Therefore.
To reduce accident risk caused by above-mentioned brake mechanical part failure, elevator often sets one or more sets
Monitoring device, realizes the monitoring to brake operating state.For example, the monitoring switch set in Fig. 1.It can be seen from the above that to elevator
The monitoring of brake operating state is to ensure the key of elevator safety operation.Current monitor mode mainly has two kinds：When pair
Certain segment distance in brake movement locus is monitored；Second, the change to brake coil current is monitored.But should
Two kinds of monitor modes can not realize the direct monitoring to brake operating state, have essential defect, it is specific using present situation
It is as follows：
Mode one carries out certain segment distance in brake movement locus close to switch frequently with microswitch or induction type
Monitoring, its validity monitored and accuracy are established is setting up and constant basis with this section of movement locus relevant initial conditions
On.When original state changes (such as host vibrations, brake brake block abrasion, part distortion shift), monitoring dress
Putting to report by mistake, and wrong report produces two problems：First, accurate measurements are unable to realistic operation state (such as brake of brake
Not braking, but microswitch still exports normal switching signal completely), produce the risk rise of accident；Second, cause failure rate
Rise (such as brake is normally opened, but the defeated out of order switching signal of microswitch).
According to incompletely statistics, at present elevator it is most use microswitch, the monitoring device of such a form exists
Because of the reason such as more than the unreliable, failure of working after use, so being removed or short circuit by elevator maintenance unit mostly.
Design, manufacture of the method two to monitoring device require height, are not widely applied also at present, are anticipated that elevator makes
It can be had a great influence with the power supply environment and power quality at scene to the accuracy of monitoring.
The defects of both modes all exist substantially：First, indirect monitoring brakeage state；Second, cause to miss
The defects of report and high failure rate, is inevitable.
The content of the invention
The technical problem to be solved in the present invention is that above-mentioned for the prior art cannot be to elevator brake operating state
The defects of direct monitoring, there is provided a kind of elevator brake operating state detection device and detection method.
The technical solution adopted by the present invention to solve the technical problems is：Construct a kind of elevator brake operating state detection
Device, elevator brake include brake block and braked wheel, further include and are pressed for detecting between the brake block and braked wheel
The pressure sensor of force value；
The pressure sensor is electrically connected elevator control circuit, and the pressure value is transmitted to the elevator controlling electricity
Road, the elevator control circuit control elevator to run according to the pressure value.
Preferably, elevator brake operating state detection device of the present invention, the elevator brake further include system
Swing arm and brake shoe seat, the brake block are fixed on the brake arm by the brake shoe seat；
The pressure sensor is arranged in the brake arm, or the pressure sensor is arranged in the brake shoe seat,
Or the pressure sensor is arranged between the brake shoe seat and brake arm.
Preferably, elevator brake operating state detection device of the present invention, the brake arm are provided with for putting
Put the groove of the pressure sensor；
The elevator brake further include through the groove pin and be arranged on the guide of the pin periphery, it is described
Pressure sensor is close to the guide.
Preferably, elevator brake operating state detection device of the present invention, the pressure sensor pass through locking
Screw is fixed on the brake arm.
Preferably, elevator brake operating state detection device of the present invention, the elevator control circuit include pressure
Power process circuit and elevator-mainboard circuit, the pressure sensor are electrically connected the pressure treatment circuit, the pressure treatment electricity
Road is electrically connected the elevator-mainboard circuit；
Whether the pressure value that pressure sensor described in the pressure treatment circuit judges detects reaches preset value, and will determine that
As a result it is transmitted to the elevator-mainboard circuit.
Preferably, elevator brake operating state detection device of the present invention, is provided with two electricity in elevator
Terraced brake, each elevator brake are correspondingly arranged a pressure sensor, two pressure sensor connections
The pressure treatment circuit；
Whether the pressure value of the pressure sensor detection of pressure treatment circuit judges two reaches preset value, and will
Judging result is transmitted to the elevator-mainboard circuit.
Preferably, elevator brake operating state detection device of the present invention, the pressure treatment circuit include the
One switch, second switch, the 3rd switch, the 4th switch, the pressure treatment circuit pass through the first switch and second switch
Connect the combined floodgate monitoring point of the elevator-mainboard circuit；The pressure treatment circuit connects the elevator by the described 3rd switch
The first of motherboard circuit opens a sluice gate monitoring point；The pressure treatment circuit connects the elevator-mainboard circuit by the described 4th switch
Second open a sluice gate monitoring point；
Before elevator starts, the pressure value of the pressure sensor detection of pressure treatment circuit judges two is higher than first
Preset value, then the first switch connected with second switch, combined floodgate monitoring point described in the elevator-mainboard circuit monitoring is normal, electricity
Ladder starts；Otherwise elevator faults lock；
After elevator starts, the pressure value of the pressure sensor detection of pressure treatment circuit judges two is less than second
Preset value, then the 3rd switch and the 4th switch connection, described in the elevator-mainboard circuit monitoring first open a sluice gate monitoring point and
Second to open a sluice gate monitoring point normal, and elevator runs well；Otherwise elevator faults lock.
Preferably, elevator brake operating state detection device of the present invention, the elevator brake further include system
Swing arm and brake shoe seat, the brake block are fixed on the brake shoe seat, and the brake shoe seat is installed on the brake arm by pin
On；
One end of the brake arm is provided with adjusting screw, and the adjusting screw is corresponding with the iron core in driving device,
The pressure sensor is arranged between the adjusting screw and iron core, for detecting the pressure between the adjusting screw and iron core
Force value.
Preferably, elevator brake operating state detection device of the present invention, it is characterised in that the elevator controlling
Circuit includes pressure treatment circuit and elevator-mainboard circuit, and the pressure sensor is electrically connected the pressure treatment circuit, described
Pressure treatment circuit is electrically connected the elevator-mainboard circuit；
Two elevator brakes are provided with elevator, each elevator brake is correspondingly arranged the pressure
Sensor, two pressure sensors connect the pressure treatment circuit；
The pressure treatment circuit includes first switch, second switch, third switch, the 4th switch, the pressure treatment
What circuit connected the elevator-mainboard circuit by the first switch with second switch opens a sluice gate monitoring point；The pressure treatment electricity
Road connects the first combined floodgate monitoring point of the elevator-mainboard circuit by the described 3rd switch；The pressure treatment circuit passes through institute
State the second combined floodgate monitoring point that the 4th switch connects the elevator-mainboard circuit；
Before elevator starts, the pressure value of the pressure sensor detection of pressure treatment circuit judges two is less than first
Preset value, then it is described 3rd switch and the 4th switch connection, the first combined floodgate monitoring point described in the elevator-mainboard circuit monitoring and
Second combined floodgate monitoring point is normal, and elevator starts；Otherwise elevator faults lock；
After elevator starts, the pressure value of the pressure sensor detection of pressure treatment circuit judges two is higher than second
Preset value, then the first switch connected with second switch, it is normal to open a sluice gate monitoring point described in the elevator-mainboard circuit monitoring, electricity
Ladder runs well；Otherwise elevator faults lock.
In addition, the present invention also provides a kind of elevator brake operating state detection method, elevator brake include brake block,
Braked wheel and the pressure sensor for detecting pressure value between the brake block and braked wheel, the described method includes：
S1, the pressure sensor detect pressure value between the brake block and braked wheel；
S2, judge whether the pressure value reaches preset value, and controls elevator operation according to judging result.
Preferably, elevator brake operating state detection method of the present invention, the step S2 include：
Before S21, elevator start, judge whether the pressure value is higher than the first preset value, if then elevator starts, if otherwise
Elevator faults lock；
After S22, elevator start, judge whether the pressure value is less than the second preset value, if then elevator runs well, if
Otherwise elevator faults lock.
Preferably, elevator brake operating state detection method of the present invention, is provided with two electricity in elevator
Terraced brake, each elevator brake are correspondingly arranged a pressure sensor, and the step S2 includes：
Before S23, elevator start, judge whether the pressure value of two pressure sensor detections is higher than the first preset value,
If elevator starts；If otherwise elevator faults lock；
After S24, elevator start, judge whether the pressure value of two pressure sensor detections is less than the second preset value,
If then elevator runs well；If otherwise elevator faults lock.
Implement a kind of the elevator brake operating state detection device and detection method of the present invention, have below beneficial to effect
Fruit：Elevator brake includes brake block, braked wheel and the pressure for detecting pressure value between brake block and braked wheel
Sensor；Pressure sensor is electrically connected elevator control circuit, and pressure value is transmitted to elevator control circuit, elevator control circuit
Elevator operation is controlled according to pressure value.Implement the present invention, realize the real-time direct monitoring to brake operating state, compared to
Monitoring device, the present apparatus directly can reliably monitor brakeage state, overcome former monitoring device in damper brake
Watt wearing treatment, brake clearance be too small to be not easy to adjust, elevator operational shock processing, fixed form cannot accomplish it is embedded, fixed
The defects of unreliable, mounting and adjusting is easily affected by human factors etc., effectively prevent existing with monitoring element and reality
Border on-position is likely to occur asynchronous, solve the problems, such as monitoring device wrong report or failure, improve elevator
Security.
Brief description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is the structure diagram of elevator brake in the prior art；
Fig. 2 is the structure diagram of elevator brake operating state detection device first embodiment of the present invention；
Fig. 3 is the B areas enlarged drawing of elevator brake operating state detection device first embodiment of the present invention；
Fig. 4 is the A-A areas cutaway view Amplified image of elevator brake operating state detection device first embodiment of the present invention；
Fig. 5 is the structure diagram of the elevator control circuit of first embodiment of the invention；
Fig. 6 is the circuit diagram of the elevator control circuit embodiment of first embodiment of the invention；
Fig. 7 is the structure diagram of elevator brake operating state detection device second and third embodiments of the present invention；
Fig. 8 is the C areas enlarged drawing of elevator brake operating state detection device second embodiment of the present invention；
Fig. 9 is the D areas enlarged drawing of elevator brake operating state detection device 3rd embodiment of the present invention；
Figure 10 is the circuit diagram of the elevator control circuit embodiment of third embodiment of the invention；
Figure 11 is the flow chart of elevator brake operating state detection method of the present invention；
Figure 12 is the flow chart of step S2 first embodiments in detection method；
Figure 13 is the flow chart of step S2 second embodiments in detection method.
Embodiment
In order to which the technical features, objects and effects of the present invention are more clearly understood, now compare attached drawing and describe in detail
The embodiment of the present invention.
First embodiment.
Referring to figs. 2 to Fig. 4, first embodiment of the invention is illustrated.Specifically, the elevator brake include end cap 1,
Declutch spanner 2, coil 3, iron core 4, adjusting screw 5, holddown spring 6, brake arm 7, brake shoe 8, brake shoe seat 9, pressure sensor 10,
Guide 11, pin 12, lock screw 13, wherein, the braking object of elevator brake is braked wheel 14, that is, is realized to braked wheel 14
Braking.Brake block 8 is fixed on brake shoe seat 9, and brake shoe seat 9 is fixed on brake arm 7.Preferably, the shape of brake block 8 with
The shape of braked wheel 14 matches, and brake shoe seat 9, the shape of brake arm 7 match, to reach more preferable braking effect.Example
Such as, the lateral profile of braked wheel 14 is circle, then brake block 8 is cambered surface, so as to make brake block 8 and system in braking procedure
Driving wheel 14 fits closely.It is appreciated that under the state of opening a sluice gate, there is certain interval between brake block 8 and braked wheel 14, between being somebody's turn to do
Gap can be set according to braking requirement.
Further, one end of brake arm 7 is mobilizable is fixed, and the other end is connected with driving device, driving device band
The dynamic activity of brake arm 7, completion is opened a sluice gate and feed motion, realizes the braking to braked wheel 14.Driving device by end cap 1, declutch
Spanner 2, coil 3, iron core 4, adjusting screw 5, holddown spring 6 are realized.The present embodiment, without improvement, can first examine the prior art to this.
Further, pressure sensor 10 is used to detect pressure value between brake block 8 and braked wheel 14.Alternatively, press
Force snesor 10 may be provided in brake arm 7, or pressure sensor 10 may be provided in brake shoe seat 9, or pressure sensor 10 can
It is arranged between brake shoe seat 9 and brake arm 7.It is appreciated that the pressure sensor 10 of the present invention is used for brake block 8 and braked wheel
Pressure between 14, braking moment is obtained according to the transformational relation of pressure value and braking moment, so, the position of pressure sensor 10
Put flexibly to be set as needed, be able to detect that pressure value between brake block 8 and braked wheel 14, according to the present invention
The pressure sensor that testing principle is set belongs to protection scope of the present invention.
Alternatively, brake arm 7 is provided with the groove for placement force sensor 10.Elevator brake further include through
The pin 12 of groove and the guide 11 for being arranged on the periphery of pin 12, pressure sensor 10 are close to guide 11, are changed by guide 11 and made
The direction for the pressure that the movement of swing arm 7 produces so that act on the pressure direction of pressure sensor 10 and the sense of pressure sensor 10
Side is vertical, more accurately measured pressure value.Preferably, pressure sensor 10 is fixed on brake arm 7 by lock screw 13.
It is appreciated that pressure sensor 10 needs have good contact with guide 11 or pin 12, pressure could be preferably sensed.
Alternatively, pressure sensor 10 may be provided between brake arm 7 and brake shoe seat 9 in the accommodating cavity formed, elevator
Brake further include through accommodating cavity pin 12 and be arranged on the guide 11 of the periphery of pin 12, pressure sensor 10 is close to guide
11.Pressure sensor 10 is fixed on brake arm 7 by lock screw 13.It is appreciated that pressure sensor needs and guide 11
Or pin 12 has good contact, pressure could be preferably sensed.
During control, pressure sensor 10 is electrically connected elevator control circuit, and pressure value is transmitted to elevator controlling
Circuit, elevator control circuit control elevator to run according to pressure value.Before elevator startup, band-type brake is in "on" position, if pressure
The pressure value that force snesor 10 detects is higher than the first preset value (upper limit output), illustrates that elevator brake closes a floodgate normally, elevator
It can start；If the pressure value that pressure sensor 10 detects is not higher than the first preset value, illustrate that elevator brake closes a floodgate not
Normally, it is dangerous at this time, elevator faults should be locked.After elevator starts, band-type brake is in and opens a sluice gate state, if pressure sensor
10 pressure values detected are less than the second preset value (lower limit output), illustrate that elevator brake is opened a sluice gate normally, can normal operation；Such as
The pressure value that fruit pressure sensor 10 detects is not less than the second preset value, illustrates that elevator brake is opened a sluice gate abnormal, deposits at this time
In danger, elevator faults should be locked.
With reference to figure 5 and Fig. 6, elevator control circuit is described further.Elevator control circuit includes pressure treatment circuit
With elevator-mainboard circuit, pressure sensor 10 is electrically connected pressure treatment circuit, and pressure treatment circuit is electrically connected elevator-mainboard circuit.
Whether the pressure value that pressure treatment circuit judges pressure sensor 10 detects reaches preset value, and will determine that result is transmitted to elevator
Motherboard circuit.Before elevator startup, band-type brake is in "on" position, the pressure value that pressure treatment circuit gathers pressure sensor 10
Compared with the first preset value (upper limit output), judge whether pressure value is higher than the first preset value (upper limit output).If so, then illustrate
Elevator brake closes a floodgate normally, and elevator-mainboard circuit control elevator starts；If it is not, it is abnormal then to illustrate that elevator brake closes a floodgate, this
When it is dangerous, elevator-mainboard circuit locks elevator faults.After elevator starts, band-type brake is in state of opening a sluice gate, pressure treatment electricity
The pressure value that pressure sensor 10 gathers compared with the second preset value (lower limit output), is judged whether pressure value is less than second by road
Preset value (lower limit output).If so, then illustrate that elevator brake is opened a sluice gate normally, elevator-mainboard circuit control elevator normal operation；
If it is not, then illustrating that elevator brake is opened a sluice gate abnormal, dangerous at this time, elevator-mainboard circuit locks elevator faults.
In above-described embodiment, only illustrate the operation principle of an elevator brake in elevator, in some embodiments, often need
Want to be provided with two elevator brakes or two or more elevator brake in elevator, be now used as embodiment using two elevator brakes
Illustrate, two or more elevator brake refers to the present embodiment implementation.
Specifically, each elevator brake is correspondingly arranged a pressure sensor 10, two connection pressures of pressure sensor 10
Power process circuit；Whether the pressure value that two pressure sensors 10 of pressure treatment circuit judges detect reaches preset value, and will sentence
Disconnected result is transmitted to elevator-mainboard circuit.
With reference to figure 6, pressure treatment circuit includes first switch, second switch, third switch, the 4th switch, pressure treatment
Circuit connects the combined floodgate monitoring point of elevator-mainboard circuit by first switch with second switch.Pressure treatment circuit is opened by the 3rd
Connection connects the first of elevator-mainboard circuit and opens a sluice gate monitoring point；Pressure treatment circuit connects elevator-mainboard circuit by the 4th switch
Second opens a sluice gate monitoring point.First switch, the 3rd switch, the 4th switch connect mainboard signal power supply common wire respectively.Second switch
Combined floodgate monitoring point is connected by band-type brake contactor auxiliary contact and/or band-type brake current limiting contact device auxiliary contact.
Further, the process is controlled to be：
Before elevator starts, the pressure value that two pressure sensors 10 of pressure treatment circuit judges detect is higher than the first preset value
(upper limit output), it is preferable that correspondence includes preset value A1 and preset value A2 to the first preset value of two pressure sensors 10 respectively.
Pressure treatment circuit, which is differentiated, judges whether the pressure value that pressure sensor 10 detects is more than preset value A1 and preset value A2.If two
The pressure value of pressure sensor 10 is respectively greater than its corresponding preset value A1 and preset value A2, then first switch and second switch connect
Logical, elevator-mainboard circuit monitoring combined floodgate monitoring point is normal, and elevator-mainboard circuit control elevator starts, it will be understood that needs at this time
The pressure value of two sensors 10 meets condition at the same time.Otherwise elevator faults lock.It is appreciated that first switch and second switch
Corresponding first preset value can be different, and big I is set as needed.
After elevator starts, the pressure value that two pressure sensors 10 of pressure treatment circuit judges detect is less than the second preset value
(lower limit output), it is preferable that correspondence includes preset value A3 and preset value A4 to the second preset value of two pressure sensors 10 respectively.
Pressure treatment circuit, which is differentiated, judges whether the pressure value that pressure sensor 10 detects is less than preset value A3 and preset value A4.If two
The pressure value of pressure sensor 10 is respectively smaller than its corresponding preset value A3 and preset value A4, then the 3rd switch and the 4th switch connect
Logical, elevator-mainboard circuit monitoring first opens a sluice gate monitoring point and second and opens a sluice gate that monitoring point is normal, and control elevator runs well, Ke Yili
Solution, needs the pressure value of two sensors 10 to meet condition at the same time at this time.Otherwise elevator faults lock.It is appreciated that the 3rd opens
Close and corresponding second preset value of the 4th switch can be different, big I is set as needed.
Second embodiment
With reference to figure 7 and Fig. 8, second embodiment is illustrated.Specifically, with first embodiment, difference lies in this reality
Apply example and further optimization is done to the installation site of pressure sensor 10.The side of guide 11 is provided with compression spring 17, compression spring 17 and pressure
Force snesor 10 sets up separately in the opposite side of guide 11, and compression spring 17 is used to be finely adjusted guide, ensures guide and pressure sensor
Contact is good.Further, the top of compression spring 17 is corresponding with spiral shell seat 18.Preferably, process sleeve 16 is provided with around compression spring 17.
The other structures and control principle of the present embodiment are identical with first embodiment, refer to first embodiment, herein not
Repeat again.
3rd embodiment
With reference to figure 7 and Fig. 9,3rd embodiment is illustrated.Specifically, the area with first embodiment and second embodiment
It is not, pressure sensor 10 is arranged between brake arm 7 and brake shoe seat 9 by first embodiment and second embodiment, for examining
Survey pressure value between brake block 8 and braked wheel 14.And the pressure sensor 10 of the present embodiment is arranged on adjusting screw 5 and iron core
Between 4, for detecting the pressure value between adjusting screw 5 and iron core 4.
Specifically, elevator brake further includes brake arm 7 and brake shoe seat 9, brake block 8 is fixed on brake shoe seat 9, brake shoe
Seat 9 is installed on brake arm 7 by pin 12.One end of brake arm 7 is provided with adjusting screw 5, adjusting screw with driving device
Iron core 4 it is corresponding, pressure sensor 10 is arranged between adjusting screw 5 and iron core 4, for detecting adjusting screw 5 and iron core 4
Between pressure value.When elevator brake need to open a sluice gate, coil 4 works, and band dynamic iron core 4 is displaced outwardly, so as to strut brake arm
7, brake arm 7 is displaced outwardly, and brake block 8 and braked wheel 14 separate.When elevator brake needs to close a floodgate, coil 4 works, band
Dynamic iron core 4 moves inward, and under the pressure-driven of holddown spring 6, brake arm 7 moves inward, and brake block 8 and braked wheel 14 paste
Close.
Further, pressure treatment circuit and elevator-mainboard circuit, pressure sensor are included with reference to figure 10, elevator control circuit
10 are electrically connected pressure treatment circuit, and pressure treatment circuit is electrically connected elevator-mainboard circuit；
It is provided with two elevator brakes in elevator, each elevator brake is correspondingly arranged a pressure sensor 10, and two
A pressure sensor 10 connects pressure treatment circuit；Pressure treatment circuit includes first switch, second switch, third switch, the
Four switches, what pressure treatment circuit connected elevator-mainboard circuit by first switch with second switch opens a sluice gate monitoring point；At pressure
Manage the first combined floodgate monitoring point that circuit connects elevator-mainboard circuit by the 3rd switch；Pressure treatment circuit is connected by the 4th switch
Connect the second combined floodgate monitoring point of elevator-mainboard circuit.
Before elevator starts, the pressure value that two pressure sensors 10 of pressure treatment circuit judges detect is default less than first
It is worth, then the 3rd switch and the 4th switch connection, elevator-mainboard circuit monitoring the first combined floodgate monitoring point and the second combined floodgate monitoring point are just
Often, elevator starts；Otherwise elevator faults lock.It is appreciated that the 3rd switch and corresponding first preset value of the 4th switch can not
Together, big I is set as needed.
After elevator starts, the pressure value that two pressure sensors 10 of pressure treatment circuit judges detect is default higher than second
Value, then first switch is connected with second switch, and it is normal that elevator-mainboard circuit monitoring opens a sluice gate monitoring point, elevator normal operation；Otherwise
Elevator faults lock.First switch and corresponding second preset value of second switch can be different, and big I is set as needed.
With reference to figure 11, which is applied in elevator, and elevator brake includes braking
Brake shoe 8, braked wheel 14 and for detecting the pressure sensor 10 of pressure value between brake block 8 and braked wheel 14, or be used for
Detect the pressure sensor 10 of the pressure value between adjusting screw 5 and iron core 4；The structure of elevator brake refers to above-mentioned implementation
Example, details are not described herein.Specifically, the detection method comprises the following steps：
S1, pressure sensor 10 detect pressure value between brake block 8 and braked wheel 14, or the detection of pressure sensor 10 is adjusted
Pressure value between whole screw 5 and iron core 4.
Specifically, pressure sensor 10 is used to detect pressure value between brake block 8 and braked wheel 14.Alternatively, press
Force snesor 10 may be provided in brake arm 7, or pressure sensor 10 may be provided in brake shoe seat 9, or pressure sensor 10 can
It is arranged between brake shoe seat 9 and brake arm 7.It is appreciated that the pressure sensor 10 of the present invention is used for brake block 8 and braked wheel
Pressure between 14, braking moment is obtained according to the transformational relation of pressure value and braking moment, so, the position of pressure sensor 10
Put flexibly to be set as needed, be able to detect that pressure value between brake block 8 and braked wheel 14.
S2, judge whether pressure value reaches preset value, and controls elevator operation according to judging result.
With reference to figure 12, step S2 includes in the elevator brake operating state detection method：
Before S21, elevator start, judge whether pressure value is higher than the first preset value, if then elevator starts, if otherwise elevator
Fault locking.
Specifically, before elevator startup, band-type brake is in "on" position, if the pressure value that pressure sensor 10 detects is high
In the first preset value (upper limit output), it is normal to illustrate that elevator brake closes a floodgate, elevator can start.If pressure sensor 10 detects
The pressure value arrived is not higher than the first preset value, then it is abnormal to illustrate that elevator brake closes a floodgate, dangerous at this time, should be by elevator event
Barrier locking.
After S22, elevator start, judge whether pressure value is less than the second preset value, if then elevator runs well, if otherwise
Elevator faults lock.
Specifically, after elevator starts, band-type brake is in and opens a sluice gate state, if the pressure value that pressure sensor 10 detects is less than
Second preset value (lower limit output), illustrates that elevator brake is opened a sluice gate normally, can normal operation.If pressure sensor 10 detects
Pressure value be not less than the second preset value, illustrate elevator brake open a sluice gate it is abnormal, it is dangerous at this time, elevator faults should be locked
It is fixed.
In some embodiments, elevator control circuit includes pressure treatment circuit and elevator-mainboard circuit, pressure sensor 10
Pressure treatment circuit is electrically connected, pressure treatment circuit is electrically connected elevator-mainboard circuit.Pressure treatment circuit judges pressure sensor
Whether the pressure value of 10 detections reaches preset value, and will determine that result is transmitted to elevator-mainboard circuit.Before elevator startup, band-type brake
In "on" position, pressure value and the first preset value (upper limit output) ratio that pressure treatment circuit gathers pressure sensor 10
Compared with judging whether pressure value is higher than the first preset value (upper limit output).If so, then illustrate that elevator brake closes a floodgate normally, elevator
Motherboard circuit control elevator starts；If it is not, then illustrate that elevator brake combined floodgate is abnormal, dangerous at this time, elevator-mainboard circuit
Elevator faults are locked.After elevator starts, band-type brake is in and opens a sluice gate state, the pressure that pressure treatment circuit gathers pressure sensor 10
Force value judges whether pressure value is less than the second preset value (lower limit output) compared with the second preset value (lower limit output).If so, then
Illustrate that elevator brake is opened a sluice gate normally, elevator-mainboard circuit control elevator normal operation；If it is not, then illustrate that elevator brake is opened a sluice gate
Abnormal, dangerous at this time, elevator-mainboard circuit locks elevator faults.
With reference to figure 13, two elevator brakes are provided with elevator in the elevator brake operating state detection method, often
A elevator brake is correspondingly arranged a pressure sensor 10.Pressure treatment circuit is opened including first switch, second switch, the 3rd
Close, the 4th switch, pressure treatment circuit connects the combined floodgate monitoring point of elevator-mainboard circuit by first switch with second switch.Pressure
Power process circuit connects the first of elevator-mainboard circuit by the 3rd switch and opens a sluice gate monitoring point；Pressure treatment circuit is opened by the 4th
Connection connects the second of elevator-mainboard circuit and opens a sluice gate monitoring point.First switch, the 3rd switch, the 4th switch connect mainboard signal respectively
Power supply common wire.Second switch is closed a floodgate by band-type brake contactor auxiliary contact and/or the connection of band-type brake current limiting contact device auxiliary contact
Monitoring point.
Step S2 includes：
Before S23, elevator start, judge whether the pressure value that two pressure sensors 10 detect is higher than the first preset value, if
It is that elevator starts；If otherwise elevator faults lock.
Specifically, before elevator starts, pressure value that two pressure sensors 10 of pressure treatment circuit judges detect is higher than the
One preset value (upper limit output), it is preferable that the first preset value of two pressure sensors 10 respectively it is corresponding include preset value A1 with
Preset value A2.Pressure treatment circuit, which is differentiated, judges whether the pressure value that pressure sensor 10 detects is more than preset value A1 and preset value
A2.If the pressure value of two pressure sensors 10 is respectively greater than its corresponding preset value A1 and preset value A2, first switch and
Second switch is connected, and elevator-mainboard circuit monitoring combined floodgate monitoring point is normal, and elevator-mainboard circuit control elevator starts；It can manage
Solution, needs the pressure value of two sensors 10 to meet condition at the same time at this time.Otherwise elevator faults lock.
After S24, elevator start, judge whether the pressure value that two pressure sensors 10 detect is less than the second preset value, if
It is then elevator normal operation；If otherwise elevator faults lock.
Specifically, after elevator starts, pressure value that two pressure sensors 10 of pressure treatment circuit judges detect is less than the
Two preset values (lower limit output), it is preferable that the second preset value of two pressure sensors 10 respectively it is corresponding include preset value A3 with
Preset value A4.Pressure treatment circuit, which is differentiated, judges whether the pressure value that pressure sensor 10 detects is less than preset value A3 and preset value
A4.If the pressure value of two pressure sensors 10 is respectively smaller than its corresponding preset value A3 and preset value A4, the 3rd switch and
4th switch connection, elevator-mainboard circuit monitoring first opens a sluice gate monitoring point and second to open a sluice gate monitoring point normal, and control elevator is normal
Operating；It is appreciated that the pressure value of two sensors 10 is needed to meet condition at the same time at this time.Otherwise elevator faults lock.
Implement the present invention, realize the real-time direct monitoring to brake operating state, compared to monitoring device, this dress
Putting directly can reliably monitor brakeage state, overcome former monitoring device in brake block wearing treatment, braking
Gap is too small to be not easy to adjust, elevator operational shock processing, fixed form cannot accomplish embedded, fixed unreliable, mounting and adjusting
The defects of being easily affected by human factors etc., effectively prevent existing may go out with monitoring element and actual on-position
Existing is asynchronous, solve the problems, such as monitoring device wrong report or failure, improve the security of elevator.
Above example only technical concepts and features to illustrate the invention, its object is to allow person skilled in the art
Scholar can understand present disclosure and implement accordingly, can not limit the scope of the invention.It is all to be wanted with right of the present invention
The equivalent changes and modifications that scope is done are sought, the covering scope of the claims in the present invention should all be belonged to.
Claims (10)
1. a kind of elevator brake operating state detection device, elevator brake includes brake block (8) and braked wheel (14), its
It is characterized in that, further includes the pressure sensor (10) for detecting pressure value between the brake block (8) and braked wheel (14)；
The pressure sensor (10) is electrically connected elevator control circuit, and the pressure value is transmitted to the elevator controlling electricity
Road, the elevator control circuit control elevator to run according to the pressure value.
2. elevator brake operating state detection device according to claim 1, it is characterised in that the elevator brake
Brake arm (7) and brake shoe seat (9) are further included, the brake block (8) is fixed on the brake shoe seat (9), the brake shoe seat (9)
It is installed on by pin (12) on the guide (11), the guide (11) is installed along with the braking with pressure sensor (10)
On arm (7), the pressure sensor (10) is arranged between the guide (11) and brake arm (7).
3. elevator brake operating state detection device according to claim 2, it is characterised in that the brake arm (7)
It is provided with the groove for placing the pressure sensor (10)；
Pin (12) periphery is provided with guide (11), and the pin (12) and guide (11) pass through the straight slot of the brake arm (7),
The pressure sensor (10) is close to the guide (11).
4. elevator brake operating state detection device according to claim 3, it is characterised in that the pressure sensor
(10) it is fixed on by lock screw (13) on the brake arm (7)；
The side of the guide (11) is provided with compression spring (17), and the compression spring (17) is set up separately in institute with the pressure sensor (10)
State the opposite side of guide (11).
5. according to claim 1-4 any one of them elevator brake operating state detection devices, it is characterised in that the electricity
Terraced control circuit includes pressure treatment circuit and elevator-mainboard circuit, and the pressure sensor (10) is electrically connected the pressure treatment
Circuit, the pressure treatment circuit are electrically connected the elevator-mainboard circuit；
Whether the pressure value that pressure sensor (10) described in the pressure treatment circuit judges detects reaches preset value, and will determine that
As a result it is transmitted to the elevator-mainboard circuit.
6. elevator brake operating state detection device according to claim 5, it is characterised in that two are provided with elevator
A elevator brake, each elevator brake are correspondingly arranged a pressure sensor (10), two pressures
Force snesor (10) connects the pressure treatment circuit；
Whether the pressure value of pressure sensor (10) detection of pressure treatment circuit judges two reaches preset value, and will
Judging result is transmitted to the elevator-mainboard circuit.
7. elevator brake operating state detection device according to claim 6, it is characterised in that the pressure treatment electricity
Road includes first switch, second switch, third switch, the 4th switch, the pressure treatment circuit by the first switch and
Second switch connects the combined floodgate monitoring point of the elevator-mainboard circuit；The pressure treatment circuit is connected by the described 3rd switch
The first of the elevator-mainboard circuit opens a sluice gate monitoring point；The pressure treatment circuit connects the elevator by the described 4th switch
The second of motherboard circuit opens a sluice gate monitoring point；
Before elevator starts, the pressure value of the pressure treatment circuit judges two pressure sensor (10) detection is above the
One preset value, then the first switch connected with second switch, combined floodgate monitoring point described in the elevator-mainboard circuit monitoring is normal,
Elevator starts；Otherwise elevator faults lock；
After elevator starts, the pressure value of pressure sensor (10) detection of pressure treatment circuit judges two is less than second
Preset value, then the 3rd switch and the 4th switch connection, described in the elevator-mainboard circuit monitoring first open a sluice gate monitoring point and
Second to open a sluice gate monitoring point normal, and elevator runs well；Otherwise elevator faults lock.
8. elevator brake operating state detection device according to claim 1, it is characterised in that the elevator brake
Brake arm (7) and brake shoe seat (9) are further included, the brake block (8) is fixed on the brake shoe seat (9), the brake shoe seat (9)
It is installed on by pin (12) and guide (11) on the brake arm (7)；
One end of the brake arm (7) is provided with adjusting screw (5), the adjusting screw (5) and the iron core (4) in driving device
Corresponding, the pressure sensor (10) is arranged between the adjusting screw (5) and iron core (4), for detecting the adjustment
Pressure value between screw (5) and iron core (4).
9. elevator brake operating state detection device according to claim 8, it is characterised in that the elevator controlling electricity
Road includes pressure treatment circuit and elevator-mainboard circuit, and the pressure sensor (10) is electrically connected the pressure treatment circuit, institute
State pressure treatment circuit and be electrically connected the elevator-mainboard circuit；
Two elevator brakes are provided with elevator, each elevator brake is correspondingly arranged a pressure sensing
Device (10), two pressure sensors (10) connect the pressure treatment circuit；
The pressure treatment circuit includes first switch, second switch, third switch, the 4th switch, the pressure treatment circuit
The elevator-mainboard circuit is connected with second switch by the first switch opens a sluice gate monitoring point；The pressure treatment circuit leads to
Cross the first combined floodgate monitoring point that the 3rd switch connects the elevator-mainboard circuit；The pressure treatment circuit passes through described
Four switches connect the second combined floodgate monitoring point of the elevator-mainboard circuit；
Before elevator starts, the pressure value of pressure sensor (10) detection of pressure treatment circuit judges two is less than first
Preset value, then the 3rd switch is switched with the 4th is respectively turned on, the first combined floodgate monitoring described in the elevator-mainboard circuit monitoring
The pressure of point and the second combined floodgate monitoring point is normal, and elevator starts；Otherwise elevator faults lock；
After elevator starts, the pressure value of the pressure treatment circuit judges two pressure sensor (10) detection is above the
Two preset values, then the first switch connected with second switch, it is normal to open a sluice gate monitoring point described in the elevator-mainboard circuit monitoring,
Elevator runs well；Otherwise elevator faults lock.
10. a kind of elevator brake operating state detection method, it is characterised in that elevator brake includes being used to detect damper brake
The pressure sensor (10) of pressure value watt between (8) and braked wheel (14), or for detect adjusting screw (5) and iron core (4) it
Between pressure value pressure sensor (10)；The described method includes：
S1, the pressure sensor (10) detect pressure value between the brake block (8) and braked wheel (14), or the pressure
Sensor (10) detects the pressure value between the adjusting screw (5) and iron core (4)；
S2, judge whether the pressure value reaches preset value, and controls elevator operation according to judging result.
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| CN201711407733.7A CN108002164B (en) | 2017-12-22 | 2017-12-22 | Elevator brake action state detection device and detection method |
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|---|---|---|---|
| CN201711407733.7A CN108002164B (en) | 2017-12-22 | 2017-12-22 | Elevator brake action state detection device and detection method |
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| CN108002164B CN108002164B (en) | 2023-06-02 |
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| CN108529477A (en) * | 2018-05-30 | 2018-09-14 | 宁波欣达电梯配件厂 | Brake brake block abrasion detection structure and its installation method, control method |
| CN110763445A (en) * | 2019-10-12 | 2020-02-07 | 西人马(西安)测控科技有限公司 | Brake monitoring method, device, equipment and storage medium |
| CN112320652A (en) * | 2020-11-18 | 2021-02-05 | 黑龙江工业学院 | Brake shoe gap adjusting device of mine hoist |
| CN112395714A (en) * | 2021-01-20 | 2021-02-23 | 华中科技大学 | Part design and processing method and system with embedded sensor |
| CN112713669A (en) * | 2020-12-22 | 2021-04-27 | 三峡大学 | Novel amorphous alloy switched reluctance motor stator vibration reduction structure and application method thereof |
| CN114701933A (en) * | 2022-04-02 | 2022-07-05 | 常熟理工学院 | Elevator brake with brake shoe wear detection function and brake shoe wear detection method |
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Effective date of registration: 20210927 Address after: 518005 agricultural science and technology building, No. 1085, south of chaguang Road, Xili street, Nanshan District, Shenzhen, Guangdong Applicant after: Shenzhen Institute of quality and safety inspection and testing Address before: 518024 special inspection building, 1032 Honggang Road, Luohu District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN INSTITUTE OF SPECIAL EQUIPMENT INSPECTION AND TEST |
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Inventor after: Liu Dongyang Inventor after: Zhan Wei Inventor after: Xing Jian Inventor after: Huang Dongling Inventor before: Huang Dongling Inventor before: Zhan Wei Inventor before: Xing Jian Inventor before: Liu Dongyang |
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