CN110271924A - Hoistway omicronff signal transmission system and elevator - Google Patents
Hoistway omicronff signal transmission system and elevator Download PDFInfo
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- CN110271924A CN110271924A CN201910496952.XA CN201910496952A CN110271924A CN 110271924 A CN110271924 A CN 110271924A CN 201910496952 A CN201910496952 A CN 201910496952A CN 110271924 A CN110271924 A CN 110271924A
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- switch
- elevator
- hoistway
- end position
- switching group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3423—Control system configuration, i.e. lay-out
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
Abstract
The embodiment of the invention provides a kind of hoistway omicronff signal transmission system and elevators, the signal transmission system includes lower end position switching group, pit interface board and elevator main controller, wherein: the lower end position switching group is located at the lower end of the hoistway of the elevator, and the lower end position switching group includes multiple switch；The pit interface board is located at the well pit of the elevator, the lower end position switching group is connected to the pit interface board, and the status signal of each switch in the lower end position switching group is transmitted to by the elevator main controller by the pit interface board, and the elevator is controlled according to the status signal by the elevator main controller and is run.The embodiment of the present invention acquires each switch state in lower end position switching group by pit interface board and is sent to elevator main controller, not only save length of cable, it reduces costs, and may make part cable simple, be easily installed, maintenance, maintenance, replacement operation.
Description
Technical field
The present embodiments relate to elevators fields, more specifically to a kind of hoistway omicronff signal transmission system and electricity
Ladder.
Background technique
Elevator is essential vertical transportation instrument in modern high-rise building, is closely related with people's lives.In sky
Between on, elevator is divided into computer room part, hoistway and pit part, cab portion, stop part, wherein hoistway is carriage and counterweight
The space of device movement, and buffer, well lighting, all kinds of switches, over-speed governor tensioning apparatus and trailing cable are equipped in hoistway
Deng.
Conventional hoistway switch includes being installed in the upper end position switching group of hoistway upper end and being installed under hoistway lower end
End position switching group, wherein upper end position switching group include upper limit switch, upper level throw-over switch, upper second level throw-over switch,
Upper three-level throw-over switch；Lower end position switching group include lower position switch, next stage throw-over switch, lower second level throw-over switch and under
Three-level throw-over switch.Above-mentioned hoistway switch needs to pass to induction signal by cable the control cabinet mainboard of computer room part.When
When floor is very high, the cable for connecting each switch in lower end position switching group is very long, needs very high cable cost, and right
Construction, installation, maintenance, maintenance, replacement of elevator etc., which are brought, brings big inconvenience to installation.
With the development of elevator technology, Highgrade integration has become trend, and hoistway cable must can not as hoistway switch
Few wiring is always that elevator manufacturer wishes excellent due to its cost of manufacture height, installation, maintenance, maintenance, replacement difficulty etc.
The object of change.But due to current technology and cost, never big progress.
Summary of the invention
The embodiment of the present invention is changed for above-mentioned limit switch, next stage throw-over switch, lower second level throw-over switch and lower three-level
The problem that speed switch need to transmit switch state signal by cable, and cause at high cost, installation, maintenance, maintenance, replacement difficult,
A kind of hoistway omicronff signal transmission system and elevator are provided.
The technical solution that the embodiment of the present invention solves above-mentioned technical problem is to provide a kind of hoistway omicronff signal transmission system
System is applied to elevator, and the signal transmission system includes lower end position switching group, pit interface board and elevator main controller,
Wherein: the lower end position switching group is located at the bottom of the hoistway of the elevator, and the lower end position switching group includes multiple
Switch；The pit interface board is located at the well pit of the elevator, and the lower end position switching group is connected to the pit and connects
Oralia, and the status signal of each switch in the lower end position switching group is transmitted to by the electricity by the pit interface board
Terraced master controller, and the elevator is controlled according to the status signal by the elevator main controller and is run.
Preferably, there is detection unit and communication unit, the communication unit is connected to described on the pit interface board
Detection unit；The pit interface board obtains the state of each switch in the lower end position switching group by the detection unit
Signal, and the elevator main controller is sent for status signal coding by the communication unit.
Preferably, the switch in the lower end position switching group is normally-closed contact switch；
There is power supply unit and detection interface on the pit interface board；Wherein: the detection interface includes being connected to institute
State the power supply end feet and multiple detection end feets for being connected respectively to the detection unit of power supply unit, and said supply unit to
The power supply end feet output voltage；Each switch in the lower end position switching group is connected in series in the power supply end feet and one
Between a detection end feet, and detection unit confirmation when the voltage of the detection end feet is greater than or equal to predeterminated voltage corresponds to
Detection switch closure, when the voltage of the detection end feet is less than predeterminated voltage confirm that corresponding detection switch disconnects；
The pit interface board includes communication interface, and the communication unit is connected to the communication interface, and the communication
Interface is connected to the elevator main controller by communication signal line.
Preferably, on the pit interface board have multiple signal lamps, and each signal lamp respectively by
Corresponding detection end feet power supply in the detection interface.
Preferably, the communication unit is controller LAN communication module, and the communication interface is controller LAN
Network bus interface.
Preferably, the lower end position switching group includes lower position switch, and the elevator main controller is in the lower limit
Switch controls elevator carriage when disconnecting is out of service.
Preferably, the lower end position switching group includes lower three-level throw-over switch, and the lower three-level throw-over switch is located at institute
State the top of lower position switch；The elevator main controller is switched to disconnection shape by closed state in the lower three-level throw-over switch
When state, the carriage of control traction motor driving elevator presses the first pre-set velocity downlink, and in the lower three-level throw-over switch by breaking
When open state is switched to closed state, control traction motor drives the carriage to press normal running speed uplink, and described the
One pre-set velocity is less than normal running speed.
Preferably, the lower end position switching group includes lower second level throw-over switch, and the lower second level throw-over switch is located at institute
State the top of lower position switch, the lower section of next stage throw-over switch；The elevator main controller is in the lower second level throw-over
When switch is switched to off-state by closed state, the carriage of control traction motor driving elevator presses the second pre-set velocity downlink,
And when the lower second level throw-over switch is switched to closed state by off-state, control traction motor drives the carriage by the
One pre-set velocity uplink, and second pre-set velocity is less than the first pre-set velocity.
Preferably, the lower end position switching group includes next stage throw-over switch, and the next stage throw-over switch is located at institute
State the top of lower position switch, the lower section of the lower second level throw-over switch；The elevator main controller is in the next stage throw-over
When switch is switched to off-state by closed state, control traction motor drives the carriage of the elevator by under third pre-set velocity
Row, when next stage throw-over switch is switched to closed state by off-state, control traction motor drives the carriage to press
The second pre-set velocity uplink, and the third pre-set velocity is less than the second pre-set velocity.
The embodiment of the present invention also provides a kind of elevator, and including hoistway, the carriage run in the hoistway, the elevator is also
Including described in any item hoistway omicronff signal transmission systems as above.
The hoistway omicronff signal transmission system and elevator of the embodiment of the present invention acquire lower end position by pit interface board and open
Each switch state and it is sent to elevator main controller in the group of pass, not only saves length of cable, reduce costs, and can make
It is simple to obtain part cable, is easily installed, maintenance, maintenance, replacement operation.Also, the embodiment of the present invention is also by pit
Interface board increases signal lamp, facilitates the positioning of breakdown switch in lower end position switching group, can save the malfunction elimination time.
Detailed description of the invention
Fig. 1 is the schematic diagram of hoistway omicronff signal transmission system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of pit interface board in hoistway omicronff signal transmission system provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, being the schematic diagram of hoistway omicronff signal transmission system provided in an embodiment of the present invention, hoistway switch
Signal transmission system can be applied to elevator, and by the state transfer respectively switched in lower end position switching group to elevator main controller,
It is controlled with the operation of supplemental lift.The hoistway omicronff signal transmission system of the present embodiment includes lower end position switching group 11, pit
Interface board 12 and elevator main controller 13.Above-mentioned pit interface board 12 and elevator main controller 13 can be at the bottoms in existing elevator
On the basis of the structure and function for cheating interface board and elevator main controller, increases corresponding additional function and replace connection type
Afterwards, the transmission for realizing each switch state in lower end position switching group is cooperated with lower end position switching group 11.
Lower end position switching group 11 is located at the lower end of the hoistway of elevator, such as may be mounted at the bottom of elevator shaft, and should
Lower end position switching group 11 may include multiple switch.Pit interface board 12 is located at the well pit of elevator, and above-mentioned lower end position is opened
Pass group 11 is directly connected to pit interface board 12 by cable, and will be each in lower end position switching group 11 by pit interface board 12
The status signal of a switch is transmitted to elevator main controller 13, and (elevator main controller 13 is usually installed in elevator(lift) machine room, and pit
Interface board 12 sends elevator main controller 13 for the status signal of each switch in a compiled manner), and by elevator main controller
13 control elevator operation according to the state of switch each in lower end position switching group 11, i.e., drive carriage in well by traction motor
Upstream or downstream in road.
In above-mentioned hoistway omicronff signal transmission system, due to the installation position of lower end position switching group 11 and pit interface board 12
It sets closely, therefore very short cable is only needed switch each in lower end position switching group 11 can be connected to pit interface board
12, length of cable is not only saved, is reduced costs, and may make part cable no longer mixed and disorderly, is greatly facilitated down
Installation, maintenance, maintenance, the replacement operation of each switch in end position switching group 11.
In one embodiment of the invention, there is detection unit 121 and communication unit on above-mentioned pit interface board 12
122, above-mentioned detection unit 121 and communication unit 122 can be by circuits, module combination software sharing, and realize corresponding function.Tool
Body, above-mentioned communication unit 122 is connected to detection unit 121, and pit interface board 12 obtains lower end position by detection unit 121
The status signal (i.e. switch is in closed state or off-state) of each switch in switching group 11 is set, and passes through communication unit
The status signal coding of each switch is sent elevator main controller 13 by 122.
Specifically, the switch in above-mentioned lower end position switching group 11 is normally-closed contact switch.Correspondingly, pit interface board 12
On also have power supply unit 123 and detection interface P1.Above-mentioned detection interface P1 includes power supply end feet 301 and multiple detection end feets
X1, X2, X3, X4, power supply end feet 301 are connected to power supply unit 123, and it is single that detection end feet X1, X2, X3, X4 are connected respectively to detection
Member 121.Also, power supply unit 123 to power supply 301 output voltage of end feet；Switch DLS1, switch in lower end position switching group
DLS2, switch DLS3, switch DLS4 are connected in series in respectively between power supply end feet 301 and a detection end feet, such as are switched
DLS1 be connected on power supply end feet 301 and detection end feet X1 between, switch DLS2 be connected on power supply end feet 301 and detect end feet X2 it
Between, switch DLS3 is connected between power supply end feet 301 and detection end feet X3, and switch DLS4 is connected on power supply end feet 301 and detection
Between end feet X4.And detection unit 121 detect end feet voltage be greater than predeterminated voltage when confirm it is corresponding close the switch, example
Such as when the voltage for detecting end feet X1 is greater than or equal to predeterminated voltage, detection unit 121 confirms switch DLS1 closure；In test side
When the voltage of foot X1 is less than predeterminated voltage, detection unit 121 confirms that switch DLS1 is disconnected.
It further, further include communication interface DB on above-mentioned pit interface board 12, communication unit 122 is connected to communication interface
DB, and communication interface DB is connected to elevator main controller 13 by communication signal line.
For the real-time and reliability for guaranteeing communication, above-mentioned communication interface DB can be CAN (Controller Area
Network, controller local area network) bus interface, above-mentioned communication unit 122 is controller LAN communication module.Certainly, exist
In practical application, communication unit 122 and communication interface DB can also be used other other communication modes and believe the state of each switch
Number it is sent to elevator main controller 13, but relative to CAN bus mode, often cannot be considered in terms of real-time, stability and cost, example
If preset signals may be interfered in transmittance process, to cause to report by mistake.
In addition, for convenience of overhauling there is multiple signal lamps, and each signal lamp on above-mentioned pit interface board 12
It is powered respectively by a detection end feet corresponding in detection interface P1, i.e. signal lamp and detection end feet corresponds.In this way,
When closing the switch, corresponding signal lamp keeps shining.If some switch is moved because of the normal operation of lift car
Make and (disconnect), corresponding signal lamp can extinguish, and the state of respective switch can be transferred to by pit interface board 12
Elevator main controller 13 so that elevator main controller 13 identifies the location status of carriage, and provides corresponding instruction.If there is
Switch damage or cable breakdown and poor contact etc., corresponding signal lamp also extinguishes, to facilitate positioning failure.Specifically
Ground, above-mentioned signal lamp can be integrated into detection unit 121.
In one embodiment of the invention, above-mentioned lower end position switching group 11 includes lower position switch, elevator main control
For device 13 when receiving the lower position switch cut-off signal of the acquisition of pit interface board 12, control traction motor stops the carriage of elevator
Only run, i.e., when the carriage of elevator goes downwards to lower position switch position and triggers lower position switch disconnection, elevator main controller
13 control lift cars stop downlink (such as the stalling of control traction motor, control band-type brake etc., do not prevent lift car uplink).
To avoid carriage emergency stop, above-mentioned lower end position switching group 11 may also include lower three-level throw-over switch, which changes
Speed switch is located at the top of lower position switch, and elevator main controller 13 switchs in lower three-level throw-over and is switched to disconnection by closed state
When state, the carriage of control traction motor driving elevator presses the first pre-set velocity downlink, and switchs in lower three-level throw-over by disconnecting
When state is switched to closed state, the carriage of control traction motor driving elevator presses normal running speed uplink, and first is pre-
If speed is less than normal running speed.I.e. in the case where carriage goes downwards to the lower three-level throw-over position of the switch and triggers, three-level throw-over switch is disconnected
When opening, the speed of service that elevator main controller 13 controls the carriage of elevator decelerates to the first pre-set velocity by normal running speed；
When the three-level throw-over position of the switch and lower three-level throw-over switch reset closure under carriage uplink process, elevator main controller 13 is controlled
The speed of service of the carriage of elevator accelerates to normal running speed by the first pre-set velocity.
To make carriage steadily slow down, above-mentioned lower end position switching group may also include lower second level throw-over switch, which changes
Speed switch is located at the lower section of the top of lower position switch, lower three-level throw-over switch.Elevator main controller 13 is opened in lower second level throw-over
When pass is switched to off-state by closed state, the carriage of control traction motor driving elevator presses the second pre-set velocity downlink, and
When lower second level throw-over switch is switched to closed state by off-state, the carriage of control traction motor driving elevator is pre- by first
If speed is above-mentioned, and above-mentioned second pre-set velocity is less than the first pre-set velocity.Lower second level throw-over switch position is gone downwards in carriage
When setting and triggering lower second level throw-over switch disconnection, the speed of service that elevator main controller 13 controls the carriage of elevator is preset by first
Speed reduction is to the second pre-set velocity；The second level throw-over position of the switch and lower second level throw-over are switched to reset and be closed under carriage uplink process
When conjunction, the speed of service that elevator main controller 13 controls the carriage of elevator accelerates to first speed of service by the second pre-set velocity.
In addition, above-mentioned lower end position switching group 11 may also include next stage throw-over switch, and the next stage throw-over switchs position
In the lower section that the top of lower position switch, lower second level throw-over switch, to ensure that carriage operation is more steady.Elevator main controller 13
When next stage throw-over switch is switched to off-state by closed state, control traction motor keeps the carriage of elevator default by third
Speed downlink, and when next stage throw-over switch is switched to closed state by off-state, elevator main controller 13 controls traction
The carriage of motor driven elevator presses the second pre-set velocity uplink, and above-mentioned third pre-set velocity is less than the second pre-set velocity.Exist
When carriage goes downwards to the next stage throw-over position of the switch and triggers the switch disconnection of next stage throw-over, elevator main controller 13 controls elevator
The speed of service of carriage third pre-set velocity is decelerated to by the second pre-set velocity；It is switched in carriage uplink by next stage throw-over
When position and next stage throw-over switch reset closure, the speed of service that elevator main controller 13 controls the carriage of elevator is pre- by third
If speed accelerates to second speed of service.
In the above-described embodiments, lower three-level throw-over switch, lower second level throw-over switch and next stage throw-over switch are in lower limit
It is arranged successively from top to bottom above bit switch, and since the first pre-set velocity is greater than the second pre-set velocity, the second pre-set velocity is big
In third pre-set velocity, thus in the case where lift car downlink is successively passed through three-level throw-over switch, lower second level throw-over switch and under
Level-one throw-over gradually slows down when switching, and avoids carriage velocity variations during downlink too fast.
The embodiment of the present invention also provides a kind of elevator, including hoistway, the carriage run in above-mentioned hoistway and institute as above
The hoistway omicronff signal transmission system stated, and can assist carrying out the control of carriage by hoistway omicronff signal transmission system, it improves
The safety of carriage operation.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of hoistway omicronff signal transmission system is applied to elevator, which is characterized in that the signal transmission system includes lower end
Position switch group, pit interface board and elevator main controller, in which: the lower end position switching group is located at the well of the elevator
The bottom in road, and the lower end position switching group includes multiple switch；The pit interface board is located at the hoistway bottom of the elevator
Hole, the lower end position switching group are connected to the pit interface board, and by the pit interface board by the lower end position
The status signal of each switch is transmitted to the elevator main controller in switching group, and as the elevator main controller according to
Status signal controls the elevator operation.
2. hoistway omicronff signal transmission system according to claim 1, which is characterized in that have on the pit interface board
Detection unit and communication unit, the communication unit are connected to the detection unit；The pit interface board passes through the detection
Unit obtains the status signal of each switch in the lower end position switching group, and is believed the state by the communication unit
Number coding is sent to the elevator main controller.
3. hoistway omicronff signal transmission system according to claim 2, which is characterized in that in the lower end position switching group
Switch be normally-closed contact switch；
There is power supply unit and detection interface on the pit interface board；Wherein: the detection interface includes being connected to the confession
The power supply end feet of electric unit and multiple detection end feets for being connected respectively to the detection unit, and said supply unit is to described
Power supply end feet output voltage；Each switch in the lower end position switching group is connected in series in the power supply end feet and an inspection
It surveys between end feet, and the detection unit confirms corresponding inspection when the voltage of the detection end feet is greater than or equal to predeterminated voltage
It surveys and closes the switch, confirms that corresponding detection switch disconnects when the voltage of the detection end feet is less than predeterminated voltage；
The pit interface board includes communication interface, and the communication unit is connected to the communication interface, and the communication interface
The elevator main controller is connected to by communication signal line.
4. hoistway omicronff signal transmission system according to claim 3, which is characterized in that have on the pit interface board
Multiple signal lamps, and each signal lamp is supplied by a detection end feet corresponding in the detection interface respectively
Electricity.
5. hoistway omicronff signal transmission system according to claim 3, which is characterized in that the communication unit is controller
Local network communication module, the communication interface are CAN bus interface.
6. hoistway omicronff signal transmission system according to claim 3, which is characterized in that the lower end position switching group packet
Lower position switch is included, the carriage that the elevator main controller controls the elevator when the lower position switch disconnects stops fortune
Row.
7. hoistway omicronff signal transmission system according to claim 6, which is characterized in that the lower end position switching group packet
Lower three-level throw-over switch is included, the lower three-level throw-over switch is located at the top of the lower position switch；The elevator main controller
When the lower three-level throw-over switch is switched to off-state by closed state, the carriage of control traction motor driving elevator is by the
One pre-set velocity downlink, and when the lower three-level throw-over switch is switched to closed state by off-state, control traction motor
Drive the carriage by by normal running speed uplink, and first pre-set velocity is less than normal running speed.
8. hoistway omicronff signal transmission system according to claim 7, which is characterized in that the lower end position switching group packet
Lower second level throw-over switch is included, the lower second level throw-over switch is located at the top of the lower position switch, the lower three-level throw-over is opened
The lower section of pass；The elevator main controller is when the lower second level throw-over switch is switched to off-state by closed state, control
Traction motor drives the carriage of elevator to press the second pre-set velocity downlink, and is switched in the lower second level throw-over switch by off-state
When to closed state, control traction motor drives the carriage to press the first pre-set velocity uplink, and second pre-set velocity is small
In the first pre-set velocity.
9. hoistway omicronff signal transmission system according to claim 8, which is characterized in that the lower end position switching group packet
Next stage throw-over switch is included, the next stage throw-over switch is located at the top of the lower position switch, the lower second level throw-over is opened
The lower section of pass；The elevator main controller is when next stage throw-over switch is switched to off-state by closed state, control
Traction motor drives the carriage of the elevator by third pre-set velocity downlink, is cut in the lower three-level throw-over switch by off-state
When changing to closed state, control traction motor drives the carriage to press the second pre-set velocity uplink, and the third is default
Speed is less than the second pre-set velocity.
10. a kind of elevator, including hoistway, the carriage run in the hoistway, which is characterized in that the elevator further includes such as power
Benefit requires hoistway omicronff signal transmission system described in any one of 1-9.
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| CN201910496952.XA CN110271924A (en) | 2019-06-10 | 2019-06-10 | Hoistway omicronff signal transmission system and elevator |
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| CN201910496952.XA CN110271924A (en) | 2019-06-10 | 2019-06-10 | Hoistway omicronff signal transmission system and elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110980451A (en) * | 2019-11-08 | 2020-04-10 | 苏州汇川技术有限公司 | Elevator staggered floor rapid correction method, system, equipment and storage medium |
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Application publication date: 20190924 |