CN208265542U - A kind of programmable UCMP detection device of elevator - Google Patents
A kind of programmable UCMP detection device of elevator Download PDFInfo
- Publication number
- CN208265542U CN208265542U CN201820719532.4U CN201820719532U CN208265542U CN 208265542 U CN208265542 U CN 208265542U CN 201820719532 U CN201820719532 U CN 201820719532U CN 208265542 U CN208265542 U CN 208265542U
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- mcu module
- elevator
- safety
- circuit
- safety relay
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Abstract
The utility model discloses a kind of elevators may be programmed UCMP detection device, it include: the first safety relay and the second safety relay, the normally opened contact of two safety relays is serially connected, and it is in parallel after connecting with the car door lock switch in elevator safety loop, further include can be in communication with each other carry out status check main MCU module and from MCU module, each MCU module is respectively provided with: receive leveling signal first input end；Receive the second input terminal from elevator master board enable signal；Acquire the third input terminal of two safety relay one of them contacts status；The output end of another one output control instruction into two safety relays；Main MCU module and from MCU module according to leveling signal and enable signal, correspondingly control two safety relays.Elevator provided by the utility model may be programmed UCMP detection device, and the cost of existing unintended car movement protection device is greatly reduced.
Description
Technical field
The utility model relates to elevator technology fields, and in particular to a kind of programmable UCMP detection device of elevator.
Background technique
Unintended car movement protection device (UCMP) refers to: in the case where layer Men Wei is lockable and gate is not turned off, by
Any single part failure that relied on driving host or driving control system are run in car safety causes carriage to leave layer
The accidental movement stood, elevator should have the device for preventing the movement or making mobile stopping.
The control mode of existing unintended car movement protection device generallys use the pure hardware for meeting safe circuit requirements
Mode, multifinger safety relay higher cost in pure hardware mode, and the executions single with elevator inspection No. 2 modifications of rule,
Unintended car movement protection device can be further increased as lift car standard configuration, usage quantity, will greatly improve cost.
Utility model content
The utility model provides a kind of programmable UCMP detection device of elevator, and existing carriage accidental movement is greatly reduced and protects
The cost of protection unit.
A kind of programmable UCMP detection device of elevator, comprising: the first safety relay and the second safety relay, two peaces
The normally opened contact of all relay is serially connected, and is in parallel after connecting with the car door lock switch in elevator safety loop, is also wrapped
It includes the main MCU module that can be in communication with each other progress status check and from MCU module, each MCU module is respectively provided with:
Receive the first input end of leveling signal；
Receive the second input terminal from elevator master board enable signal；
Acquire the third input terminal of two safety relay one of them contacts status；
The output end of another one output control instruction into two safety relays；
Main MCU module and from MCU module according to leveling signal and enable signal, correspondingly control two safety relays
Device.
In the prior art, elevator opens gate after arriving at leveling, and the time opened the door, elevator car are waited when in order to shorten leveling
Door need to be opened in advance, but elevator cage door, once opening, it is out of service to will lead to elevator, after realizing that elevator cage door is opened, electricity
Ladder remains to continue to run, and needs to switch car door lock when elevator cage door is opened and carry out short circuit, i.e., when gate is opened, elevator
It remains to continue to run.
In the utility model, when elevator operates normally, car door lock is closed the switch, the normally opened contact of two safety relays
It is maintained at off-state, when elevator master board receives leveling signal, judges that carriage arrived the door zone position of designated floor,
Issue door open command and enable signal, main MCU module and when receiving leveling signal and enable signal from MCU module, main MCU mould
Block and the normally opened contact for controlling corresponding safety relay respectively from MCU module are attracted, and car door lock switch is short-circuited, gate door
When lock-switch is opened, still on state, elevator may continue to run the safety return circuit of elevator.When accidental movement occurs for carriage
When being detached from leveling region, due to leveling abnormal signal, main MCU module and the normally opened contact from MCU module control safety relay
It disconnects, cuts off elevator safety loop, elevator is out of service.
In the utility model, the opportunity that elevator cage door is opened is after receiving leveling signal, and carriage does not rest in flat
Before layer position, elevator opens gate slightly in advance after resting in leveling compared to the prior art.
Third input terminal in two MCU modules is for mutually verifying state, for example, the on the one hand acquisition the of main MCU module
On the other hand the contacts status of two safety relays controls the contacts status of the first safety relay, if the second safety relay
The contacts status of device is abnormal, then the normally opened contact of the first safety relay is failure to actuate；
The contacts status that the first safety relay is on the one hand acquired from MCU module, on the other hand controls the second safety relay
The contacts status of device, if the contacts status of the first safety relay is abnormal, the normally opened contact of the second safety relay is motionless
Make.
Preferably, the main MCU module drives the control coil of the first safety relay to obtain by first control circuit
Power loss；The third input terminal of main MCU module connects the normally-closed contact of the second safety relay to obtain the second safety relay
Contacts status；
It is described to drive the control coil of the second safety relay to obtain power loss by second control circuit from MCU module；From MCU
The third input terminal of module connects the normally-closed contact of the first safety relay to obtain the contacts status of the first safety relay.
Main MCU module by control the first safety relay control coil power loss, thus control first safety after
The contacts status of electric appliance, similarly, main MCU module by control the second safety relay control coil power loss, to control
Make the contacts status of the second safety relay.
The normally opened contact and normally-closed contact synchronization action of first safety relay, the normally opened contact of the second safety relay and
Normally-closed contact synchronization action, therefore, by detect the first safety relay normally-closed contact state, can be obtained first safety after
The state of electric appliance normally opened contact similarly by detecting the state of the second safety relay normally-closed contact, can be obtained the second safety
The state of relay normally open contact.
Preferably, main MCU module and respectively driving correspondence after detecting leveling signal and enable signal from MCU module
Safety relay, make the normally opened contact of each safety relay switch to closed state keep elevator safety loop conducting, with
Allow to open gate in advance.
After the normally opened contact of each safety relay switches to closed state, car door lock switch is short-circuited, even if opening sedan-chair
Door, elevator safety loop conducting, elevator may continue to run.
Preferably, the car door lock in elevator safety loop, which switchs, is in off-state under gate open state, two
The normally opened contact of safety relay is in closed state, keeps the conducting of elevator safety loop；Main MCU module and from MCU module
When detecting leveling abnormal signal, the normally opened contact for controlling two safety relays is disconnected to cut off elevator safety loop.
Car door lock switch is opened, and elevator safety loop disconnects and (is not necessarily referring to the disconnection of contacts status, and refers to elevator and pacify
Full loop is in abnormality, namely is unsatisfactory for state when elevator operates normally), elevator is out of service.
Preferably, it is additionally provided with two-way leveling photoelectricity input redundant circuit, each road leveling photoelectricity input redundant circuit difference
It include: to receive the input circuit of leveling signal, and be connected to carry out the first photoelectric coupled circuit of signal conversion with input circuit；
The output end of first photoelectric coupled circuit is connected with the first input end of corresponding MCU module.
Leveling signal, two-way leveling light are sent to corresponding MCU module respectively per the input of leveling photoelectricity all the way redundant circuit
The circuit structure of electric redundant circuit is identical, and difference is only that, the output end of the first photoelectric coupled circuit and the first of different MCU modules
Input terminal is connected.
Preferably, being additionally provided with Bypass Control functional redundancy circuit, Bypass Control functional redundancy circuit includes receiving to enable
The input circuit of signal, and be connected with input circuit to carry out the second photoelectric coupled circuit of two-way of signal conversion；
The output end of each the second photoelectric coupled circuit of road is connected with the second input terminal of corresponding MCU module.
Bypass Control functional redundancy circuit, which transmits elevator master board to corresponding MCU module by the second photoelectric coupled circuit, to be made
It can signal.
Preferably, being additionally provided with power circuit, which is respectively each MCU module power supply, also to each safety relay
The normally-closed contact power supply of device obtains contacts status for corresponding MCU module.
Preferably, the first control circuit and second control circuit respectively include receiving corresponding MCU module control
The input circuit of signal, and be connected with input circuit to carry out the third photoelectric coupled circuit of signal conversion；The third optocoupler
The output end of circuit is connected with the control coil of corresponding safety relay.
The first control circuit and second control circuit are separately connected the control of corresponding MCU module and safety relay
Coil, the signal according to MCU module output end control the power loss that obtains of safety relay control coil, and then control corresponding safety
Relay contact state.
Elevator provided by the utility model may be programmed UCMP detection device, utilize two MCU modules and two safety relays
Device realizes door lock of elevator bypass functionality and UCMP detection function, meets the SIL2 level authentication of PASSRAE, can substantially drop
Low cost.
Detailed description of the invention
Fig. 1 is the schematic diagram that the utility model elevator may be programmed UCMP detection device；
Fig. 2 is the control sequential figure in the programmable UCMP detection device of the utility model elevator；
Fig. 3 is the schematic diagram that the utility model elevator may be programmed first control circuit in UCMP detection device；
Fig. 4 is the schematic diagram that the utility model elevator may be programmed second control circuit in UCMP detection device.
Specific embodiment
With reference to the accompanying drawing, it may be programmed UCMP detection device to the utility model elevator to be described in detail.
As shown in Figure 1, a kind of elevator may be programmed UCMP detection device, comprising: the master for carrying out status check can be in communication with each other
MCU module and from MCU module, the first safety relay and the second safety relay, leveling photoelectricity input redundant circuit, bypass control
Functional redundancy circuit and power circuit processed, main MCU module and from MCU module according to leveling signal and enable signal, accordingly
Ground controls two safety relays.
Main MCU module includes
Receive the first input end A1 of leveling signal；
Receive the second input terminal B1 from elevator master board enable signal；
Acquire the third input terminal C1 of the contacts status of the second safety relay；
To the output end D1 of the first safety relay output control instruction.
It is included from MCU module
Receive the first input end A2 of leveling signal；
Receive the second input terminal B2 from elevator master board enable signal；
Acquire the third input terminal C2 of the contacts status of the first safety relay；
The output end D2 of second safety relay output control instruction.
The normally opened contact E1 of first safety relay and the normally opened contact F1 of the second safety relay are serially connected, and are connected
It is in parallel afterwards with the car door lock switch in elevator safety loop namely the normally opened contact E1 of the first safety relay and second pacifies
The branch formed after the normally opened contact F1 series connection of all relay is whole to be in parallel with car door lock switch, the first safety relay
It, can short-circuit car door lock switch after the normally opened contact F1 of normally opened contact E1 and the second safety relay is closed.
Main MCU module drives the control coil of the first safety relay to obtain electric or power loss, main MCU by first control circuit
The normally-closed contact F2 of third input terminal C1 the second safety relay of connection of module is to obtain the contact shape of the second safety relay
State；The control coil of the second safety relay is driven to obtain electric or power loss from MCU module by second control circuit, from MCU module
Third input terminal C2 the first safety relay of connection normally-closed contact E2 to obtain the contacts status of the first safety relay.
The normally opened contact E1 and normally-closed contact E2 synchronization action of first safety relay, the normally opened touching of the second safety relay
Point F1 and normally-closed contact F2 synchronization action, therefore, the shape that main MCU module passes through the second safety relay normally-closed contact F2 of acquisition
State can be obtained the state of the second safety relay normally opened contact F1, similarly, from MCU module by obtaining the first safety relay
The state of device normally-closed contact E2 can be obtained the state of the second safety relay normally opened contact E1.
Main MCU module drives the normally opened contact E1 of the first safety relay to cut after detecting leveling signal and enable signal
Closed state is shifted to, the normally opened contact of the second safety relay is driven after detecting leveling signal and enable signal from MCU module
F1 switches to closed state, and after normally opened contact E1 and normally opened contact F1 switch to closed state, elevator safety loop conducting makes sedan-chair
Door lock switch is short-circuited, and when gate is opened, elevator may continue to run.
Under gate open state, car door lock in elevator safety loop is opened, at normally opened contact E1 and normally opened contact F1
In closed state, elevator safety loop conducting, main MCU module and when detecting leveling abnormal signal from MCU module, control first
The normally opened contact E1 of safety relay and the normally opened contact F1 of the second safety relay are disconnected, and cut off elevator safety loop.
Each level position is correspondingly provided with two leveling switch, and the distance of two leveling switch is 100mm.Each leveling is opened
It closes and issues a leveling signal respectively, the leveling signal of one of leveling switch is 1LV, and the leveling of another leveling switch is believed
Number it is 2LV, main MCU module and receives two leveling signals namely main MCU module respectively from MCU module and receive leveling signal 1LV
Peaceful layer signal 2LV equally receives leveling signal 1LV peace layer signal 2LV from MCU module, and specific circuit structure is as follows:
It is two-way that leveling photoelectricity, which inputs redundant circuit, and the corresponding leveling photoelectricity all the way of each leveling optoelectronic switch inputs redundant electric
Road.Each road leveling photoelectricity input redundant circuit respectively includes: to receive the input circuit of leveling signal and be connected with input circuit
It connects to carry out the two of signal conversion the first photoelectric coupled circuits, the output end of one of them the first photoelectric coupled circuit and main MCU module
First input end A1 is connected, and the output end of another the first photoelectric coupled circuit is connected with the first input end A2 from MCU module.
Bypass Control functional redundancy circuit includes: to receive the input circuit of enable signal and be connected with input circuit
To carry out the second photoelectric coupled circuit of two-way of signal conversion, wherein the of the output end of the second photoelectric coupled circuit and main MCU module all the way
Two input terminal B1 are connected；The output end of the second photoelectric coupled circuit of another way is connected with the second input terminal B2 from MCU module.
Power circuit is main MCU module and powers from MCU module, at the same to the normally-closed contact E2 of the first safety relay and
The normally-closed contact F2 of second safety relay powers, and so that main MCU module is obtained the contacts status of the second safety relay, from MCU
Module obtains the contacts status of the first safety relay.
It is powered using the input filter circuit of 24V to power circuit, the output voltage of power circuit is 3.3V, for leading
The normally-closed contact E2 circuit and the second safety relay of MCU module and power supply and the first safety relay from MCU module
The power supply of normally-closed contact F2 circuit.
As shown in figure 3, first control circuit includes the input circuit for receiving main MCU module control signal, and with input
Circuit is connected to carry out the third photoelectric coupled circuit of signal conversion, the output end of third photoelectric coupled circuit and the first safety relay
Control coil is connected.
As shown in figure 3, input circuit includes: the resistance R1 and resistance R3 being sequentially connected in series, resistance R3 is parallel with capacitor C1；The
Three photoelectric coupled circuits include optocoupler PC1, and the input terminal of optocoupler PC1 is in parallel with capacitor C1, and the output end of optocoupler PC1 is in series with resistance R5
It is parallel with resistance R7 with triode Q1, resistance R5, the base stage B of triode Q1 is connected with resistance R5, the base stage B and hair of triode Q1
Resistance R8 and capacitor C3, the control coil phase of the collector C and the first safety relay of triode Q1 are parallel between emitter-base bandgap grading E
Even.
As shown in figure 4, second control circuit include receive from MCU module control signal input circuit, and with input
Circuit is connected to carry out the third photoelectric coupled circuit of signal conversion；The output end of third photoelectric coupled circuit and the second safety relay
Control coil is connected.
As shown in figure 4, input circuit includes: the resistance R13 and resistance R14 being sequentially connected in series, resistance R14 is parallel with capacitor
C7；Third photoelectric coupled circuit includes optocoupler PC4, and the input terminal of optocoupler PC4 is in parallel with capacitor C7, and the output end of optocoupler PC4 is in series with
Resistance R15 and triode Q2, resistance R15 are parallel with resistance R17, and the base stage B of triode Q2 is connected with resistance R15, triode Q2
Base stage B and emitter E between be parallel with resistance R18 and capacitor C8, the collector C of triode Q2 and the second safety relay
Control coil is connected.
As shown in Fig. 2, after elevator master board receives leveling signal 1LV peace layer signal 2LV, judging that elevator is in can
Enabling region, elevator master board issue door open command DO and enable signal LVC, main MCU module and receive from MCU module flat
After layer signal 1LV peace layer signal 2LV and enable signal LVC, main MCU module controls the normally opened contact E1 of the first safety relay
Closure controls the normally opened contact F1 closure of the second safety relay from MCU module, and bypass car door lock switchs, when gate is opened,
Elevator remains to continue to move to.Carriage when level position occurs accidental movement and is detached from leveling, the first safety of main MCU module control after
The normally opened contact E1 of electric appliance is disconnected, from the normally opened contact F1 of MCU module control the second safety relay and the second safety relay
It disconnects, elevator is out of service.
As shown in Fig. 2, elevator master board stops issuing door open command DO and enable signal LVC after the completion of gate is opened,
Gate starting is closed, and in gate closing process, main MCU module and leveling signal 1LV and leveling is persistently received from MCU module
Signal 2LV, but enable signal LVC is not received, the normally opened contact E1 that main MCU module controls the first safety relay is disconnected,
The normally opened contact F1 for controlling the second safety relay from MCU module is disconnected, and after gate completely closes, carriage operation is detached from leveling position
It sets, corresponding leveling signal 1LV peace layer signal 2LV disappears.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying carries out change and modification appropriate.Therefore, the utility model is not limited to specific implementation disclosed and described above
Mode should also be as falling into the protection scope of the claims of the present utility model to some modifications and changes of the utility model.
In addition, although using some specific terms in this specification, these terms are merely for convenience of description, not to this reality
With novel composition any restrictions.
Claims (8)
1. a kind of elevator may be programmed UCMP detection device, comprising: the first safety relay and the second safety relay, two safety
The normally opened contact of relay is serially connected, and is in parallel after connecting with the car door lock switch in elevator safety loop, feature
Be, further include can be in communication with each other carry out status check main MCU module and from MCU module, each MCU module is respectively provided with:
Receive the first input end of leveling signal；
Receive the second input terminal from elevator master board enable signal；
Acquire the third input terminal of two safety relay one of them contacts status；
The output end of another one output control instruction into two safety relays；
Main MCU module and from MCU module according to leveling signal and enable signal, correspondingly control two safety relays.
2. elevator as described in claim 1 may be programmed UCMP detection device, which is characterized in that the main MCU module passes through the
One control circuit drives the control coil of the first safety relay to obtain power loss；The second peace of third input terminal connection of main MCU module
The normally-closed contact of all relay is to obtain the contacts status of the second safety relay；
It is described to drive the control coil of the second safety relay to obtain power loss by second control circuit from MCU module；From MCU module
Third input terminal connect the normally-closed contact of the first safety relay to obtain the contacts status of the first safety relay.
3. elevator as described in claim 1 may be programmed UCMP detection device, which is characterized in that main MCU module and from MCU module
Corresponding safety relay is respectively driven after detecting leveling signal and enable signal, makes the normally opened contact of each safety relay
The conducting that closed state keeps elevator safety loop is switched to, to allow to open gate in advance.
4. elevator as described in claim 1 may be programmed UCMP detection device, which is characterized in that under gate open state, elevator
Car door lock switch in safety return circuit is in off-state, and the normally opened contact of two safety relays is in closed state, protects
Hold the conducting of elevator safety loop；Main MCU module and when detecting leveling abnormal signal from MCU module, control two safety after
The normally opened contact of electric appliance is disconnected to cut off elevator safety loop.
5. elevator as described in claim 1 may be programmed UCMP detection device, which is characterized in that it is defeated to be additionally provided with two-way leveling photoelectricity
Enter redundant circuit, each road leveling photoelectricity inputs redundant circuit respectively include: receive the input circuit of leveling signal, and with input
Circuit is connected to carry out the first photoelectric coupled circuit of signal conversion；
The output end of first photoelectric coupled circuit is connected with the first input end of corresponding MCU module.
6. elevator as described in claim 1 may be programmed UCMP detection device, which is characterized in that it is superfluous to be additionally provided with Bypass Control function
Remaining circuit, Bypass Control functional redundancy circuit include the input circuit for receiving enable signal, and be connected with input circuit with
Carry out the second photoelectric coupled circuit of two-way of signal conversion；
The output end of each the second photoelectric coupled circuit of road is connected with the second input terminal of corresponding MCU module.
7. elevator as described in claim 1 may be programmed UCMP detection device, which is characterized in that be additionally provided with power circuit, the electricity
Source circuit is respectively each MCU module power supply, is also obtained to the power supply of the normally-closed contact of each safety relay for corresponding MCU module
Contacts status.
8. elevator as claimed in claim 2 may be programmed UCMP detection device, which is characterized in that the first control circuit and
Second control circuit respectively includes receiving the input circuit of corresponding MCU module control signal, and be connected with input circuit with
Carry out the third photoelectric coupled circuit of signal conversion；The output end of the third photoelectric coupled circuit and the control coil of corresponding safety relay
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820719532.4U CN208265542U (en) | 2018-05-15 | 2018-05-15 | A kind of programmable UCMP detection device of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820719532.4U CN208265542U (en) | 2018-05-15 | 2018-05-15 | A kind of programmable UCMP detection device of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208265542U true CN208265542U (en) | 2018-12-21 |
Family
ID=64682820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820719532.4U Withdrawn - After Issue CN208265542U (en) | 2018-05-15 | 2018-05-15 | A kind of programmable UCMP detection device of elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208265542U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408511A (en) * | 2018-05-15 | 2018-08-17 | 杭州优迈科技有限公司 | A kind of programmable UCMP detection devices of elevator |
| CN110407053A (en) * | 2019-07-26 | 2019-11-05 | 上海三菱电梯有限公司 | Elevator controlling detection circuit |
| CN110482346A (en) * | 2019-08-27 | 2019-11-22 | 山东奔速电梯股份有限公司 | A kind of home lift |
-
2018
- 2018-05-15 CN CN201820719532.4U patent/CN208265542U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408511A (en) * | 2018-05-15 | 2018-08-17 | 杭州优迈科技有限公司 | A kind of programmable UCMP detection devices of elevator |
| CN108408511B (en) * | 2018-05-15 | 2023-09-29 | 杭州优迈科技有限公司 | Programmable UCMP detection device for elevator |
| CN110407053A (en) * | 2019-07-26 | 2019-11-05 | 上海三菱电梯有限公司 | Elevator controlling detection circuit |
| CN110482346A (en) * | 2019-08-27 | 2019-11-22 | 山东奔速电梯股份有限公司 | A kind of home lift |
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Granted publication date: 20181221 Effective date of abandoning: 20230929 |
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