CN210001353U - elevator system - Google Patents
elevator system Download PDFInfo
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- CN210001353U CN210001353U CN201920479626.3U CN201920479626U CN210001353U CN 210001353 U CN210001353 U CN 210001353U CN 201920479626 U CN201920479626 U CN 201920479626U CN 210001353 U CN210001353 U CN 210001353U
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- car
- elevator
- lock
- controller
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- 238000002955 isolation Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 7
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Abstract
The utility model provides an elevator system, including room lock return circuit, sedan-chair lock return circuit, elevator control system and the unexpected protection system that removes of car, still include power, room lock signal reproduction circuit and sedan-chair lock signal reproduction circuit, room lock signal reproduction circuit and sedan-chair lock signal reproduction circuit's the same structure, all include main relay and detection switch, the coil part of main relay establishes ties with corresponding detection switch and sets up between the anodal and the negative pole of power, main relay is provided with two contacts, sets up respectively in elevator control system and the unexpected protection system that removes of car, the utility model provides a technical scheme, send elevator control system and the unexpected protection system that removes of car respectively after all duplicating into two signals with room lock signal and sedan-chair lock signal of elevator safety return circuit output, reduced the signal interference between elevator control system and the unexpected protection system that removes of car to improve the reliability of elevator.
Description
Technical Field
The utility model belongs to the technical field of elevator control, concretely relates to kinds of elevator system.
Background
The elevator is a tool which is commonly used in work and life, is convenient for high-rise users to go out, and meanwhile, due to the factors of the working environment, the safety performance of the elevator is very important.
To ensure the safety performance of elevators, elevators are provided with elevator safety systems, which typically include an elevator safety circuit and a safety electrical switch contact circuit, which is shown in fig. 1, including phase sequence relay KXX, control emergency stop button SJT, disc hand wheel switch SPS, pit emergency stop button SKT, governor key-off switch SKS, ceiling service switch DJ-2, in-car service switch XJ-2, control cabinet service switch GJ-2, machine room slow up button FMS-2, machine room slow down button FMX-2, pit buffer switch SMC, lower limit switch SXJ, upper limit switch SSJ, governor switch SXS, overspeed protection switch SCS, safety lock switch SNQ, ceiling emergency stop button SDT, in-car emergency stop button SDC, and contact portions of safety window switch SNC.
In the case of an unlocked landing and an unlocked car that is not closed during elevator operation, the elevator should have means to prevent or stop the movement of the car as a result of any single failure of the drive machine or drive control system on which the car is dependent for safe operation causing the car to move unintentionally away from the landing, i.e., the elevator control system should have the function to prevent the elevator from moving unintentionally, i.e., an accidental car movement protection system needs to be provided.
Two conditions are provided for judging whether the elevator moves accidentally, namely, whether loop is closed or not and whether the leveling signal is normal or not, and since the elevator control system and the car accidental movement protection system are two systems, the elevator safety system needs to send a car loop signal and a hall loop signal of the elevator to the elevator control system and the car accidental movement protection system at the same time.
At present, a method for sending a car loop signal and a hall loop signal to an elevator control system and a car accidental movement protection system by an elevator safety system is to connect a controller and the car accidental movement protection system in the elevator control system in parallel into the elevator safety system, although the method can enable the elevator safety system to send the car loop signal and the hall loop signal to the elevator control system and the car accidental movement protection system, the reliability is poor, and if control panels in the elevator control system or the car accidental movement protection system have faults, the two systems can be misjudged at the same time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing kinds of elevator system for solve among the prior art because the unexpected protection system that removes of controller and car among the elevator control system connects in parallel to elevator safety system and cause the poor problem of elevator fail safe nature.
elevator system comprises a hall lock loop, a car lock loop, an elevator control system and a car accidental movement protection system, and also comprises a power supply, a hall lock signal copying circuit and a car signal copying circuit;
the hall lock signal copying circuit and the car lock signal copying circuit are identical in structure and respectively comprise a main relay and a detection switch, wherein the detection switch of the hall lock signal copying circuit is used for detecting a loop signal of a hall lock, the car lock signal copying circuit is used for detecting a loop signal of a car lock, a coil part of the main relay and the corresponding detection switch are connected in series between the positive pole and the negative pole of a power supply, and the main relay is provided with two contacts and is respectively arranged in an elevator control system and a car accidental movement protection system.
, the device further comprises at least auxiliary relays, wherein each auxiliary relay comprises two normally open contacts and normally closed contacts, the th normally open contact is connected with normally open contacts of the main relay in parallel and then connected with a coil part of the auxiliary relay in series to form an auxiliary branch, the normally closed contact is connected with the coil part of the main relay in series to form a main branch, and the main branch and the auxiliary branch are connected in parallel and then connected with the detection switch in series between the positive pole and the negative pole of the power supply.
elevator system comprises a lift car lock loop, a lift car lock loop, an elevator control system and a lift car accidental movement protection system, and further comprises a controller, a relay and a second relay, wherein the controller is connected with the lift car lock loop and the lift car lock loop and used for receiving lift car lock loop signals and lift car lock loop signals, the controller is further connected with coil parts of the relay and the second relay, a contact part of the relay is connected with the elevator control system, and a contact of the second relay is connected with the lift car accidental movement protection system.
, the controller comprises a controller and a second controller, wherein the controller is connected with the car lock loop and the relay, and the second controller is connected with the box lock loop and the second relay.
, the intelligent elevator system further comprises a isolation module and a second isolation module, wherein the input side of the isolation module is connected with the sedan lock loop, the output side of the isolation module is connected with the controller, the output side of the second isolation module is connected with the lock loop, and the output side of the second isolation module is connected with the second controller.
The utility model provides a technical scheme, send elevator control system and the unexpected protection system that removes of car respectively after all duplicating the room lock signal of elevator safety circuit output and sedan-chair lock signal into two signals, reduced the unexpected signal interference who removes between the protection system of elevator control system and car to improve the reliability of elevator safety system.
Drawings
FIG. 1 is a schematic diagram of a prior art safety electrical switch contact circuit;
fig. 2 is a schematic diagram of a prior art safety circuit for elevator ;
FIG. 3 is a schematic diagram of a hall lock signal copying circuit in embodiment 1;
FIG. 4 is a schematic diagram of a car lock signal replica circuit in embodiment 1;
fig. 5 is a schematic diagram of a signal reproduction circuit in embodiment 2;
FIG. 6 is a diagram showing the connection between the th controller and the photocoupler U1 in embodiment 2;
fig. 7 is a diagram showing the connection relationship between the th controller and the coil part of the relay K11 in embodiment 2.
Detailed Description
Example 1:
the embodiment provides elevator systems, including car, room and elevator safety control system, elevator control system and car unexpected protection system that removes, elevator safety control system includes room lock return circuit and sedan-chair lock return circuit, and elevator safety control system sends elevator control system and car unexpected protection system that removes respectively after duplicating into two signals with room lock return circuit signal and sedan-chair lock return circuit signal to elevator control system's reliability of elevator system improves.
In the elevator system provided by the embodiment, a circuit for duplicating a hall lock loop circuit signal into two signals is a hall lock signal duplication circuit, the structure of the elevator system is shown as fig. 3, and the elevator system comprises a relay K11, a relay K12, a hall 12 lock detection switch 12, a coil part of the relay K12 is connected in series with a normally closed contact 12 0 of the relay K12 and a normally closed contact 12 of the relay K12 to form a second branch, a second normally open contact of the relay K12 is connected in parallel with a normally open contact 12 of the relay K12 and then connected in series with a coil part of the relay K12 to form a second branch, a second normally open contact of the relay K12 is connected in parallel with a normally open contact 12 of the relay K12 to form a third branch, a third branch 12, a normally open contact of the relay K12, a normally closed contact 12, a third normally open contact of the relay K12, a normally open contact of the hall 12, a normally closed relay K12, a normally open contact of the hall 12, a normally closed relay K12, a third normally open contact of the hall 12, a normally closed relay K12, a normally open contact of the hall, a normally open.
In the elevator system provided by the embodiment, a circuit for duplicating a car lock loop circuit signal into two signals is a car lock signal duplication circuit, the structure of the elevator system is shown as fig. 4, and the elevator system comprises a relay K21, a relay K22, a car 22 lock detection switch 22, a coil part of the relay K22 is connected in series with a normally closed contact 22 of the relay K22 and a normally closed contact 22 of the relay K22 to form a branch 22, a normally open contact of the relay K22 is connected in parallel with a normally open contact 22 of the relay K22 and then connected in series with a coil part of the relay K22 to form a second branch, a normally open contact of the relay K22 is connected in parallel with a second contact of the relay K22 to form a third branch, the branch 22, the normally open contact 22, the normally closed contact 22 of the relay K22 is connected in series with the normally open contact K22, the normally closed contact 22 of the relay K22 is connected in series with the normal closed contact of the power supply, the normal open contact 22, the normal open contact of the relay K22, the normal open relay K22 is connected in series with the normal closed relay K22, the normal open contact of the elevator system, the normal open relay K22, and the normal open contact of the normal open relay K22, the normal open contact of the.
As can be seen from fig. 3 and 4, the hall lock signal copy circuit and the sedan lock signal copy circuit have the same structure and the same operation principle, and in this embodiment, the hall lock signal copy circuit is taken as an example, and the operation principle is explained as follows:
when a hall lock loop is closed, a hall lock loop detection switch K1 is closed, a coil part of a relay K13 is electrified, and a normally open contact and a second normally open contact of the relay K13 are closed;
after the normally open contact of the relay K13 is closed, the coil part of the relay K12 is electrified, the normally open contact, the second normally open contact and the third normally open contact of the relay K12 are closed, and the normally closed contact is opened;
after the second normally open contact of the relay K13 is closed, the coil part of the relay K11 is electrified, the normally open contact, the second normally open contact and the third normally open contact of the relay K11 are closed, and the normally closed contacts are opened;
at the moment, the coil part of the relay K13 loses power, a circuit connecting the elevator control system and the car accidental movement protection system is conducted, and the elevator control system and the car accidental movement protection system can detect corresponding signals.
In the present embodiment, the relay K11 and the relay K12 are auxiliary relays provided for increasing the control reliability, and as another embodiment, only replica relays may be provided or no auxiliary relays may be provided.
The hall lock circuit detection switch K1 is used for detecting whether the hall is locked, and the sedan lock circuit detection switch K2 is used for detecting whether the sedan is locked, and the arrangement mode is the same as that in the prior art, and a description is omitted here.
Example 2:
the embodiment provides elevator systems, including car, room and elevator safety control system, elevator control system and car unexpected protection system that removes, elevator safety control system includes room lock return circuit and sedan-chair lock return circuit, and elevator safety control system sends elevator control system and car unexpected protection system that removes respectively after duplicating into two signals with room lock return circuit signal and sedan-chair lock return circuit signal to elevator control system's reliability of elevator system improves.
The elevator system provided by the embodiment is characterized in that a signal copying circuit is shown in fig. 5 and comprises a th controller, a second controller, a relay K11, a relay K12, a relay K21 and a relay K22, wherein the controller in the embodiment adopts an ARM single chip microcomputer, a th controller is connected with control parts of the relay K11 and the relay K12, namely coil parts of the relay K11 and the relay K12, a second controller is connected with control parts of the relay K21 and the relay K22, namely coil parts of the relay K21 and the relay K22, an normally open contact of the relay K11 and a normally open contact of the relay K12 are connected in series and then connected with the elevator control system, a second contact of the relay K11 and a second normally open contact of the relay K12 are connected in series and then connected with a car accidental movement protection system, a 12 th normally open contact of the relay K12 and a 12 th normally open contact of the relay K12 are connected in series and then connected with the elevator control system, and a multi-loop signal detection method for detecting an accidental movement detection in the elevator car protection system is the same as a conventional hall signal detection method.
The arrangement mode of the normally open contact and the second normally open contact of the relay K11, the normally open contact and the second normally open contact of the relay K12, the normally open contact and the second normally open contact of the relay K21 and the normally open contact of the relay K22 in the elevator control system and the car accident movement protection system is the same as that in the prior art, and the description is omitted here.
The controller is connected with a sedan lock loop and receives sedan lock loop signals, the second controller is connected with a hall lock loop and receives hall lock loop signals, a isolating module is arranged on a line of the controller connected with the sedan lock loop, and a second isolating module is arranged on a line of the second controller connected with the sedan lock loop.
The elevator system that this embodiment provided, its theory of operation is:
when the car is closed, the controller can receive the corresponding car lock loop signal;
after the th controller receives a loop signal of the car lock, the th controller controls coil parts of the relay K11 and the relay K12 to be electrified, at the moment, normally open contacts of the relay K11 and the relay K12 are closed, an elevator control system and a car accidental movement protection system can obtain corresponding signals, and the elevator control system and the car accidental movement protection system can know that the car lock is closed;
when hall is closed, the controller can receive a corresponding hall lock loop signal;
after the second controller receives sedan-chair lock return circuit signal, the coil part of second controller control relay K21 and relay K22 gets electric, and the normally open contact of relay K21 and relay K22 is all closed this moment, and elevator control system and the unexpected protection system that removes of car all can obtain corresponding signal, and elevator control system and the unexpected protection system that removes of car can learn that room lock is closed.
In the present embodiment, two controllers are used to ensure the reliability of control of each relay, and as another embodiment, only controllers may be provided, and when only controllers are provided, the controllers are connected to coil portions of the relay K11, the relay K12, the relay K21, and the relay K22.
The relay K11 and the relay K12 are arranged redundantly, and the relay K21 and the relay K22 are arranged redundantly; as another embodiment, the relay K11 and the relay K12 may be provided with only the relay K11 or the relay K12, and the relay K21 and the relay K22 may be provided with only the relay K21.
In this embodiment, both the th isolation module and the second isolation module are photocouplers, the connection relationship between the th isolation module and the 0 th controller is the same as the connection relationship between the second isolation module and the second controller, taking the connection relationship between the th isolation module and the th controller as an example, as shown in fig. 6, the anode of the primary side of the photocoupler U1 is connected with the car loop signal, the cathode of the primary side of the photocoupler U1 is grounded, the anode of the secondary side of the photocoupler U1 is connected with the th controller and is connected with a power supply through a pull-up resistor R, when the car lock loop signal is a low-potential signal, the secondary side of the photocoupler U1 is not conducted, the th controller receives a high-potential signal, and when the car lock loop signal is a high-potential signal, the secondary side of the photocoupler U1 is conducted, and the th controller receives a low-potential signal.
In this embodiment, the controller is connected with the relay K11 and the relay K12, the second controller is connected with the coil parts of the relay K21 and the relay K22 in the same way, for example, the th controller is connected with the coil part of the relay K11, as shown in fig. 7, the th controller is connected with the base of the triode Q, the collector of the triode Q is connected with a power supply, the emitter is grounded through a pull-down resistor R1, one end of the coil part of the relay K11 is connected with the collector of the triode Q, the other end is grounded, when the rd controller outputs high potential to the base of the triode Q, the triode Q is controlled to be conducted, at the moment, the coil part of the relay K11 is powered, and normally open contacts of the relay K11.
Claims (5)
1, elevator system, which comprises a lock loop of a hall , a lock loop of a car , an elevator control system and a car accidental movement protection system, and is characterized by also comprising a power supply, a signal copy circuit of the hall and a signal copy circuit of the car ;
the hall lock signal copying circuit and the car lock signal copying circuit are identical in structure and respectively comprise a main relay and a detection switch, wherein the detection switch of the hall lock signal copying circuit is used for detecting a loop signal of a hall lock, the car lock signal copying circuit is used for detecting a loop signal of a car lock, a coil part of the main relay and the corresponding detection switch are connected in series between the positive pole and the negative pole of a power supply, and the main relay is provided with two contacts and is respectively arranged in an elevator control system and a car accidental movement protection system.
2. The elevator system according to claim 1, further comprising at least auxiliary relays, wherein the auxiliary relays include two normally open contacts and normally closed contacts, wherein the normally open contact is connected in parallel with normally open contacts of the main relay and then connected in series with the coil part of the auxiliary relay to form an auxiliary branch, the normally closed contact is connected in series with the coil part of the main relay to form a main branch, and the main branch and the auxiliary branch are connected in parallel and then connected in series with the detection switch between the positive pole and the negative pole of the power supply.
3, elevator system, which comprises a lock loop of a hall , a lock loop of a car , an elevator control system and a car accidental movement protection system, and is characterized by further comprising a controller, a th relay and a second relay, wherein the controller is connected with the lock loop of the car and the lock loop of the hall and used for receiving a lock loop signal of the car and a lock loop signal of the hall , the controller is further connected with coil parts of a th relay and the second relay, a contact part of the th relay is connected with the elevator control system, and a contact of the second relay is connected with the car accidental movement protection system.
4. The elevator system according to claim 3, wherein the controller includes a controller and a second controller, wherein the controller connects the car lock loop and relay, and the second controller connects the box lock loop and second relay.
5. The elevator system according to claim 4, further comprising a th isolation module and a second isolation module, wherein the th isolation module has an input side connected to the car lock loop and an output side connected to the th controller, and the second isolation module has an input side connected to the hall lock loop and an output side connected to the second controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920479626.3U CN210001353U (en) | 2019-04-10 | 2019-04-10 | elevator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920479626.3U CN210001353U (en) | 2019-04-10 | 2019-04-10 | elevator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210001353U true CN210001353U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920479626.3U Withdrawn - After Issue CN210001353U (en) | 2019-04-10 | 2019-04-10 | elevator system |
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| Country | Link |
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| CN (1) | CN210001353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911725A (en) * | 2019-04-10 | 2019-06-21 | 西继迅达（许昌）电梯有限公司 | A kind of elevator device |
-
2019
- 2019-04-10 CN CN201920479626.3U patent/CN210001353U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911725A (en) * | 2019-04-10 | 2019-06-21 | 西继迅达（许昌）电梯有限公司 | A kind of elevator device |
| CN109911725B (en) * | 2019-04-10 | 2024-07-16 | 西继迅达电梯有限公司 | Elevator system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Patentee after: Xiji Xunda Elevator Co.,Ltd. Address before: 461000 south section of Yanan Road, Xuchang economic and Technological Development Zone, Henan Patentee before: XJ SCHINDLER (XUCHANG) ELEVATOR Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200131 Effective date of abandoning: 20240716 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200131 Effective date of abandoning: 20240716 |