CN208969494U - A kind of encoder switching device of the double tank elevators of auxiliary shaft - Google Patents
A kind of encoder switching device of the double tank elevators of auxiliary shaft Download PDFInfo
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- CN208969494U CN208969494U CN201822076380.3U CN201822076380U CN208969494U CN 208969494 U CN208969494 U CN 208969494U CN 201822076380 U CN201822076380 U CN 201822076380U CN 208969494 U CN208969494 U CN 208969494U
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Abstract
The utility model discloses a kind of encoder switching devices of the double tank elevators of auxiliary shaft, master control encoder and main control PLC communication connection, monitor encoder and monitoring PLC communication connection, the left end of the spare terminal of the pulse signal lead and communication cabinet of master control encoder connects, the right end for monitoring the pulse signal lead of encoder and the spare terminal of communication cabinet connects, switch is connected between the left end and right end of spare terminal, when needing to switch over, stop master control encoder and monitor the power switch of encoder, closes the switch of spare terminal；Determine which breaks down for master control encoder and monitoring encoder, closes the power switch of not out of order encoder, into primary control program, modifies a circle coded number of the encoder of failure；The advantages of the utility model has safety failure low, guarantees pit shaft personnel safety.
Description
Technical field
The utility model relates to electricity fields, are more particularly to a kind of encoder switching device of double tank elevators of auxiliary shaft.
Background technique
Encoder plays very important effect in lifting system, and the data of encoder are in PLC controller as speed
Degree control and stroke control use, once master control monitoring encoder or monitoring encoder break down, elevator will appear super
Fast failure or progressive error failure, elevator can not drive, and cause pit shaft to hang people for a long time, easily cause safety accident.
Utility model content
It monitors and compiles in master control the technical problem to be solved by the utility model is to the double tank elevators of the auxiliary shaft of the prior art
The problem of when code device or monitoring encoder break down, elevator can not drive, and pit shaft is caused to hang people for a long time.
The utility model is to solve above-mentioned technical problem by the following technical programs: a kind of volume of the double tank elevators of auxiliary shaft
Code device switching device, including master control encoder, monitoring encoder and communication cabinet, the master control encoder are mounted on the double tanks of auxiliary shaft and mention
In the concentric shafts that the main shaft of the machine of liter is drawn, the monitoring encoder is mounted on the gear on the end cap of the double tank elevators of auxiliary shaft
On central axis, engaged gears on gear and main shaft on end cap, the master control encoder and main control PLC communication connection are described
Monitor encoder and monitoring PLC communication connection, the pulse signal lead of the master control encoder and the spare end of the communication cabinet
The pulse signal lead of the left end connection of son, the monitoring encoder is connect with the right end of the spare terminal of the communication cabinet, institute
It states and is connected with switch between the left end of spare terminal and right end.
Preferably, the gear diameter ratio on the gear and main shaft on the end cap is 1:1.4.
Preferably, the pulse signal lead of the master control encoder includes A+, A-, B+ and B-, the monitoring encoder
Pulse signal lead includes A+, A-, B+ and B-, and there are four connecting terminal, the masters for the left end of the spare terminal and right end
Controlling the PLC and monitoring PLC includes output unit, the output unit of the main control PLC including four output pin A2+,
The output unit of A2-, B2+ and B2-, the monitoring PLC include four output pins A2+, A2-, B2+ and B2-.
Preferably, the master control encoder pulse signal lead A+, A-, B+ and B- respectively from top to bottom successively with it is spare
Four connecting terminals of terminal left end connect, pulse signal lead A+, A-, B+ and B- of the monitoring encoder respectively on to
Under successively connect with four connecting terminals of spare terminal right end, four output pin A2 of the output unit of the main control PLC
+, A2-, B2+, B2- respectively with pulse signal lead A+, A-, B+, B- communication connection of the master control encoder, the monitoring
Four output pins A2+, A2-, B2+, B2- of the output unit of PLC respectively with it is described monitoring encoder pulse signal lead A
+, A-, B+ and B- communication connection.
The utility model have the advantage that compared with prior art when master control encoder or monitoring encoder go wrong,
Cause elevator to be unable to run, main control PLC can be taken and monitor PLC while using the signal of some encoder, to protect
Card promotes function emergency and is promoted, and pit shaft is avoided to hang people for a long time.
Detailed description of the invention
It, below will be to required use in utility model description in order to illustrate more clearly of the technical solution of the utility model
Attached drawing be briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of circuit of the encoder switching device of the double tank elevators of auxiliary shaft disclosed in the utility model embodiment
Structure chart.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
As shown in Figure 1, a kind of encoder switching device of the double tank elevators of auxiliary shaft, including master control encoder 1, monitoring coding
Device 2, the spare terminal 3 of communication cabinet, main control PLC and monitoring PLC.
The master control encoder 1 is mounted on one of the main shaft (not shown) extraction of the double tank elevator (not shown) of auxiliary shaft together
In mandrel (not shown), the monitoring encoder 2 is mounted on the gear in the end cap (not shown) of the double tank elevators of auxiliary shaft, and (figure is not
Show) on central axis, the engaged gears on gear and main shaft on end cap, the master control encoder 1 and main control PLC communication connection,
The monitoring encoder 2 and monitoring PLC communication connection, pulse signal lead and the communication cabinet of the master control encoder 1
The left end of spare terminal 3 connects, the right side of the spare terminal 3 of the pulse signal lead and communication cabinet of the monitoring encoder 2
End connection, is connected with switch 301 between the left end and right end of the spare terminal 3.
Specifically, the gear diameter ratio on gear and main shaft on the end cap is 1:1.4.
Specifically, the pulse signal lead of the master control encoder 1 includes A+, A-, B+ and B-, the monitoring encoder 2
Pulse signal lead include A+, A-, B+ and B-, there are four connecting terminals for the left end of the spare terminal 3 and right end, described
Main control PLC and the monitoring PLC include output unit, the output unit of the main control PLC include four output pin A2+,
The output unit of A2-, B2+ and B2-, the monitoring PLC include four output pins A2+, A2-, B2+ and B2-.The master control is compiled
Pulse signal lead A+, A-, B+ and B- of code device 1 distinguish from top to bottom successively four connecting terminals with 3 left end of spare terminal
Connection, it is described monitoring encoder 2 pulse signal lead A+, A-, B+ and B- respectively from top to bottom successively with 3 right end of spare terminal
Four connecting terminals connection, four output pins A2+, A2-, B2+, B2- of the output unit of the main control PLC respectively with institute
Pulse signal lead A+, A-, B+, B- communication connection of master control encoder 1 is stated, four of the output unit of the monitoring PLC are defeated
Out pin A2+, A2-, B2+, B2- respectively with it is described monitoring encoder 2 pulse signal lead A+, A-, B+ and B- communication connection.
The working process of the utility model is as follows:
Step 1: original state, spare terminal 3 are in an off state；
Step 2: when needing to switch over, stop the power switch (not shown) and monitoring coding of master control encoder 1 first
Then the power switch (not shown) of device 2 closes the switch 301 of spare terminal 3；
Step 3: determine which breaks down for master control encoder 1 and monitoring encoder 2, if event occurs in master control encoder 1
Barrier closes the power switch of monitoring encoder 2, if monitoring encoder 2 breaks down, closes the power switch of master control encoder 1；
Step 4: entering primary control program, if what is closed is the power switch for monitoring encoder 2, master control encoder 1 one is enclosed
Coded number is changed to monitoring encoder 2 one and encloses coded number * 1.4；If what is closed is the power switch of master control encoder 1, monitoring is compiled
Code device 2 one encloses coded number and is changed to the circle of master control encoder 1 one coded number/1.4；If the monitoring encoder 2 one encloses coded number and institute
It states master control encoder 1 one and encloses the volume that coded number is identical, then the coded number and master control encoder 1 one for monitoring the circle of encoder 2 one enclose
Yardage is not modified.
Step 5: carrying out reset driving, promotes speed control within 1m/s；
Step 6: after cage hoisting to well head, replacement processing is carried out to trouble coder.
The working principle of the utility model are as follows: when the motor operation of the double tank elevators of auxiliary shaft, master control encoder 1, monitoring
The axis of encoder 2 follows main shaft while rotating, and the positive and negative rotaring signal of the motor of the double tank elevators of auxiliary shaft and pulse signal are divided
Supplementary biography is to main control PLC and monitors PLC.PLC software can calculate the speed of service and row of motor according to pulse signal in program
Journey is compared the data of master control encoder 1, monitoring encoder 2 in program after data communication.Once master control is compiled
The data of code device 1 and the data differences of monitoring encoder 2 are more than specified value, the double tank elevators of auxiliary shaft will report to be formed poor failure and
Speed compares failure, and the double tank elevators of auxiliary shaft is caused to be unable to run, once master control encoder 1 or monitoring encoder 2 are asked
Topic causes the double tank elevators of auxiliary shaft to be unable to run, closes the switch 301 of spare terminal 3, takes main control PLC and monitoring PLC simultaneously
Using the signal of some encoder, to guarantee that the double tanks of auxiliary shaft promote function emergency and promoted, pit shaft is avoided to hang people for a long time.
By above technical scheme, a kind of encoder switching device of the double tank elevators of auxiliary shaft provided by the utility model
It is low with safety failure, guarantee pit shaft personnel safety the advantages of.When master control encoder or monitoring encoder go wrong, cause to mention
The machine of liter is unable to run, and can be taken main control PLC and be monitored PLC while using the signal of some encoder, to guarantee to be promoted
Function emergency is promoted, and pit shaft is avoided to hang people for a long time.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (4)
1. a kind of encoder switching device of the double tank elevators of auxiliary shaft, which is characterized in that including master control encoder, monitoring encoder
And communication cabinet, the master control encoder are mounted in a concentric shafts of the main shaft extraction of the double tank elevators of auxiliary shaft, the monitoring
Encoder is mounted on the central gear axis on the end cap of the double tank elevators of auxiliary shaft, and the gear on gear and main shaft on end cap is stung
It closes, the master control encoder and main control PLC communication connection, the monitoring encoder and monitoring PLC communication connection, the master control are compiled
The pulse signal lead of code device is connect with the left end of the spare terminal of the communication cabinet, and the pulse signal of the monitoring encoder draws
Line is connect with the right end of the spare terminal of the communication cabinet, is connected with switch between the left end and right end of the spare terminal.
2. a kind of encoder switching device of the double tank elevators of auxiliary shaft according to claim 1, which is characterized in that the end
Gear diameter ratio on the gear and main shaft covered is 1:1.4.
3. a kind of encoder switching device of the double tank elevators of auxiliary shaft according to claim 1, which is characterized in that the master
The pulse signal lead of control encoder includes A+, A-, B+ and B-, the pulse signal lead of the monitoring encoder include A+, A-,
There are four connecting terminals for B+ and B-, the left end of the spare terminal and right end, and the main control PLC and the monitoring PLC are wrapped
Include output unit, the output unit of the main control PLC includes four output pin A2+, A2-, B2+ and B2-, the monitoring PLC
Output unit include four output pins A2+, A2-, B2+ and B2-.
4. a kind of encoder switching device of the double tank elevators of auxiliary shaft according to claim 3, which is characterized in that the master
Pulse signal lead A+, A-, B+ and the B- for controlling encoder distinguish from top to bottom successively four terminals with spare terminal left end
Son connection, it is described monitoring encoder pulse signal lead A+, A-, B+ and B- respectively from top to bottom successively with spare terminal right end
Four connecting terminals connection, four output pins A2+, A2-, B2+, B2- of the output unit of the main control PLC respectively with institute
State pulse signal lead A+, A-, B+, B- communication connection of master control encoder, four outputs of the output unit of the monitoring PLC
Pin A2+, A2-, B2+, B2- respectively with it is described monitoring encoder pulse signal lead A+, A-, B+ and B- communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076380.3U CN208969494U (en) | 2018-12-11 | 2018-12-11 | A kind of encoder switching device of the double tank elevators of auxiliary shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076380.3U CN208969494U (en) | 2018-12-11 | 2018-12-11 | A kind of encoder switching device of the double tank elevators of auxiliary shaft |
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|---|---|
| CN208969494U true CN208969494U (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822076380.3U Active CN208969494U (en) | 2018-12-11 | 2018-12-11 | A kind of encoder switching device of the double tank elevators of auxiliary shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343465A (en) * | 2018-12-11 | 2019-02-15 | 淮南矿业(集团)有限责任公司 | A kind of the encoder switching device and its switching method of the double tank elevators of auxiliary shaft |
-
2018
- 2018-12-11 CN CN201822076380.3U patent/CN208969494U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109343465A (en) * | 2018-12-11 | 2019-02-15 | 淮南矿业(集团)有限责任公司 | A kind of the encoder switching device and its switching method of the double tank elevators of auxiliary shaft |
| CN109343465B (en) * | 2018-12-11 | 2024-04-30 | 淮南矿业(集团)有限责任公司 | Encoder switching device and method of auxiliary shaft double-tank elevator |
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