CN106000872A - Control loop for roll screen - Google Patents
Control loop for roll screen Download PDFInfo
- Publication number
- CN106000872A CN106000872A CN201610457224.4A CN201610457224A CN106000872A CN 106000872 A CN106000872 A CN 106000872A CN 201610457224 A CN201610457224 A CN 201610457224A CN 106000872 A CN106000872 A CN 106000872A
- Authority
- CN
- China
- Prior art keywords
- port
- chopper
- control loop
- catalyst
- circuit breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
The invention provides a control loop for a roll screen. The control loop comprises a contactor, a thermal relay, a first circuit breaker, a second circuit breaker, a third circuit breaker and a fourth circuit breaker, wherein a coil of the contactor is connected with a first port of a controller; a first contact point of the thermal relay is connected with the coil of the contactor; a first contact point of the first circuit breaker is connected with a second port of the controller; a first port of the second circuit breaker is connected with a first port of the thermal relay; a first port of the third circuit breaker is connected with a second port of the second circuit breaker; and a first port of the fourth circuit breaker is connected with a second port of the third circuit breaker. When the first circuit breaker, the second circuit breaker, the third circuit breaker and the fourth circuit breaker are in switch-on states, the controller controls the contactor to be closed according to a received control signal, so that a motor of the roll screen is triggered to be started.
Description
Technical field
The invention belongs to pelletizing manufacturing technology field, particularly relate to a kind of roll screen and control loop.
Background technology
During pelletizing production, the source of Iron Ore Powder, grade, granularity, sludge content, moisture etc. are the most no
Stable, result in and inside breeze, be mingled with woven bag, weeds, little wood block, finger stone, screw, nut
Deng the difform foreign material of variety classes, in the case of stock ground is narrow and small, raw material enters stock ground, and foreign material also do not have
Anxious to remove just with material access arrangement, cause that equipment is stuck, burn out, the damaged grade of important spare part shows
As, it is therefore desirable to screening out the impurity in material, needing the equipment used is roll screen.
In the work process of roll screen, it is usually and needs to open the operation of control roll screen by the corresponding loop that controls,
Described control loop is generally located in switch board, and a switch board can control the operation of a set of roll screen, a set of
Roll screen includes many rollers；In prior art, control loop typically by catalyst, auxiliary reclay, hot relay
The original paper compositions such as device, in order to connect up conveniently, the live wire of these electrical equipments, zero line are all connected into single line
Use.The a whole set of chain shutdown of roll screen all may be caused when any one electrical equipment breaks down, but by
In complex circuit, the long period can be wasted and search trouble point；Further, control loop of the prior art is
Take the operation return signal of any two roll screens as chain stopping signal, if i.e. a whole set of roll screen has arbitrarily
Two rollers return fault-signal, just control a whole set of roll screen and shut down, thus cause control information inaccuracy, shadow
Work efficiency as production line.
Based on this, the present invention provides a kind of roll screen to control loop, to solve the problems referred to above of the prior art.
Summary of the invention
The problem existed for prior art, embodiments provides a kind of roll screen and controls loop, be used for
Solve roll screen of the prior art control loop and can not accurately control roll screen operation, and once break down,
Can not quickly find out trouble point, cause the technical problem that production efficiency reduces.
The present invention provides a kind of roll screen to control loop, and described control loop includes:
Catalyst, the coil of described catalyst is connected with the first port of described controller；
Thermorelay, the first contact of described thermorelay is connected with the coil of described catalyst；
First chopper, the first contact of described first chopper is connected with the second port of described controller；
Second chopper, the first port of described second chopper is connected with the first port of described thermorelay；
3rd chopper, the first port of described 3rd chopper connects with the second port of described second chopper
Connect；
4th chopper, the first port of described 4th chopper connects with the second port of described 3rd chopper
Connect；Wherein, when described first chopper, described second chopper, described 3rd chopper and the described 4th
When chopper is in "on" position, described controller controls described catalyst according to the control signal received and closes
Closing, the motor triggering described roll screen is opened.
In such scheme, the first contact of described catalyst is connected with the 3rd port of described controller.
In such scheme, the second contact of described thermorelay is connected with the 4th port of described controller.
In such scheme, the coil of described catalyst passes through the first connection side with the first port of described controller
Formula connects.
In such scheme, described first connected mode is specifically included and is connected by control line.
In such scheme, the fifth port of described controller respectively with the second contact, the institute of described thermorelay
First contact of the first contact and described first chopper of stating catalyst is connected.
In such scheme, the normally opened contact that the first contact is described catalyst of described catalyst.
In such scheme, described control loop also includes: fuse, and described fuse is arranged on described control
In the supply line in loop.
In such scheme, the 6th port of described controller is connected with industrial computer by the second connected mode, uses
In receiving the control signal that described industrial computer sends.
In such scheme, described second connected mode is for connect by netting twine.
The invention provides a kind of roll screen and control loop, described control loop includes: catalyst, described contact
The coil of device is connected with the first port of described controller；Thermorelay, the first contact of described thermorelay
It is connected with the coil of described catalyst；First chopper, the first contact of described first chopper and described control
Second port of device processed connects；Second chopper, the first port of described second chopper and described hot relay
First port of device connects；3rd chopper, the first port of described 3rd chopper and described second open circuit
Second port of device connects；4th chopper, the first port of described 4th chopper and described 3rd open circuit
Second port of device connects；Wherein, when described first chopper, described second chopper, the described 3rd break
When road device and described 4th chopper are in "on" position, described controller is according to the control signal control received
Making described catalyst Guan Bi, the motor triggering described roll screen is opened.So, controller can be received by netting twine
Remote control signal, closes according to control signal control contactor, thus controls roll screen electric motor starting；And
When all roll screens break down, and thermorelay current overload causes contactor coil to trip, and all roll screens are whole
Time out of service, controller just returns catalyst trip signal, to carry out chain shutdown, improves the essence controlled
Really property.
Accompanying drawing explanation
Fig. 1 controls the overall structure schematic diagram in loop for the roll screen that the embodiment of the present invention provides.
Detailed description of the invention
Control accuracy and the stability in loop in order to improve roll screen, and when a failure occurs, can check quickly soon
Look for trouble point, shorten the malfunction elimination time, improve production efficiency, the invention provides a kind of roll screen and control back
Road, described control loop includes: catalyst, the coil of described catalyst and the first port of described controller
Connect；Thermorelay, the first contact of described thermorelay is connected with the coil of described catalyst；First breaks
Road device, the first contact of described first chopper is connected with the second port of described controller；Second chopper,
First port of described second chopper is connected with the first contact of described thermorelay；3rd chopper, institute
Second port of the first port and described second chopper of stating the 3rd chopper is connected；4th chopper, institute
Second port of the first port and described 3rd chopper of stating the 4th chopper is connected；Wherein, when described
One chopper, described second chopper, described 3rd chopper and described 4th chopper are in "on" position
Time, described controller controls described catalyst Guan Bi according to the control signal received, triggers described roll screen
Motor is opened.
Below by drawings and the specific embodiments, technical scheme is described in further detail.
The present embodiment provides a kind of roll screen to control loop, as it is shown in figure 1, described control loop includes: contact
Device KM, controller 1, thermorelay E1, the first circuit breaker Q F1, the second circuit breaker Q F2, the 3rd break
Road device QF3, the 4th circuit breaker Q F4 and motor M；Wherein,
The coil of described catalyst KM is connected by the first connected mode with the first port a of described controller 1
Connecing, controller 1 is by the first port controlling coil adhesive；Wherein, the first port a of described controller 1
For signal output port；Described first connected mode is for connect by control line；Described controller 1 specifically may be used
Thinking D net auxiliary actuator DSA, described D net is network based on Devicenet communication bus composition.
First contact of described thermorelay E1 is connected by described first with the coil of described catalyst KM
Mode connects, for providing overcurrent protection for described catalyst KM；The first of described thermorelay E1 touches
Point is the normally-closed contact of described thermorelay E1, and first contact of described thermorelay E1 is at catalyst KM
It is Guan Bi (i.e. during roll screen motor normal operation) when of properly functioning；When catalyst KM fault (
Roll screen motor overload) when, first contact of described thermorelay E1 is off.
Here, the first contact of described first circuit breaker Q F1 is connected with the second port b of described controller 1；
When described first circuit breaker Q F1 is closed a floodgate normal, described controller 1 passes through the second port b to described control
Device returns normal return signal of closing a floodgate.Wherein, the first contact of the first circuit breaker Q F1 be described first break
The normally opened contact of road device QF1；Before described catalyst 1 coil closes, described first circuit breaker Q F1
For "on" position.
First contact of described catalyst KM is with the 3rd port c of described controller 1 by described first even
The mode of connecing connects, and first contact of described catalyst KM is normally opened contact.The of described thermorelay E1
Two contacts are connected with the 4th port d of described controller 1.Second contact of described thermorelay E1 is institute
State the normally opened contact of thermorelay E1.Wherein, when running current is excessive, described thermorelay E1 can be because of mistake
Carrying tripping operation, catalyst KM can not close, and described controller 1 then passes through the 4th port d to described controller
1 returns fault-signal.
Further, fifth port e of described controller 1 respectively with second contact of described thermorelay E1,
First contact of described catalyst KM and the first contact of described first circuit breaker Q F1 are connected, for institute
State thermorelay E1, described catalyst KM and described first circuit breaker Q F1 to power.
Here, described catalyst KM, described controller 1, described thermorelay E1 and described first open circuit
Device QF1 is provided in switchgear house, when described catalyst KM, controller 1 and thermorelay E1 line
After road connects, draw ZRYJV power cable, by described from first port of described thermorelay E1
First of described second circuit breaker Q F2 in the switch board that first port of thermorelay E1 is on-the-spot with roll screen
Port connects, and then separates ZRYJV power cable from the second port of the second circuit breaker Q F2, by dividing
The ZRYJV power cable gone out is by the first port of described 3rd circuit breaker Q F3 and described second chopper
Second port of QF2 connects；Wherein, described second circuit breaker Q F2 and described 3rd circuit breaker Q F3
Number can determine according to the number of roll screen, because the roll screen in the present embodiment includes 36 altogether, therefore, and described
Two circuit breaker Q F2 and described 3rd circuit breaker Q F3 specifically include 36, specifically can be from the second chopper
Second port of QF2 draws 36 ZRYJV power cables, respectively with the of each the 3rd circuit breaker Q F3
Single port connects.Wherein, described 3rd circuit breaker Q F3 is roll screen chopper.
Further, also including in switch board: the 4th circuit breaker Q F4, described 4th circuit breaker Q F4 is also wrapped
Include 36, the first port of each the 4th circuit breaker Q F4 and the second port of described 3rd circuit breaker Q F3
Connect；Described fuse FU is also disposed in power distribution cabinet, is specifically located at the supply lines in described control loop
Lu Zhong, is used for protecting control loop, sees the live wire that Fig. 1, L1 are supply line, and N is supply line
Zero line.Wherein, described 4th circuit breaker Q F4 is motor protective circuit breaker, with thermal overload protection function,
And protection value can adjust according to practical operation situation.
The first port and the second port difference of each the 3rd circuit breaker Q F3 when each the 4th circuit breaker Q F4
After connecting, by the second port of each the 4th circuit breaker Q F4 by ZRYJV power cable respectively with
The motor M of roll screen connects, and described motor M is for controlling the start and stop of 36 roll screens respectively.Described
Motor M includes 36.
In actual application, the 6th port f of described controller 1 is connected with industrial computer by the second connected mode,
Operator is logical can be crossed described industrial computer and send control signal to described controller 1；Wherein, described second even
The mode of connecing is by the way of netting twine connects.
Such as, when roll screen needs work, first by the first circuit breaker Q F1, described second circuit breaker Q F2,
Described 3rd circuit breaker Q F3 and described 4th circuit breaker Q F4 are closed a floodgate, and industrial computer sends to controller 1 and controls
Signal, described controller 1 closes according to described control signal control contactor KM coil, and then triggers electricity
Machine M opens, and roll screen is started working.Wherein, when the first circuit breaker Q F1 is closed a floodgate successfully, described control
Device 1 then can return, to industrial computer, the successful signal that closes a floodgate by the second port；When catalyst KM closes,
Described controller 1 then can return the successful signal of Guan Bi by the 3rd port c to industrial computer.
Here, if the situations such as card foreign material occurs in on-the-spot roll screen motor, described thermorelay E1 transships, institute
The first contact stating thermorelay E1 disconnects, and described catalyst KM coil disconnects, described catalyst KM
In off-state, described controller 1 then can return fault-signal by the 4th port d to industrial computer.
Further, at industrial computer first before controller 1 sends control signal, it is possible to manually close
First circuit breaker Q F1, described second circuit breaker Q F2, described 3rd circuit breaker Q F3 are closed a floodgate by the mode of lock,
Then controller 1 is according to the control signal control contactor KM Guan Bi received, when catalyst KM closes
After, the 4th circuit breaker Q F4 can be controlled at the scene the most successively and close a floodgate (36), so can accomplish list
The startup of root roll screen, it is also possible to check which root roll screen breaks down in real time.
When roll screen is in running, if having certain roll screen break down cause this roller corresponding the 4th break
Road device QF4 transships, then the 4th circuit breaker Q F4 that this roll screen is corresponding disconnects, and this roll screen is out of service, other
Roll screen is properly functioning, also upwards one procedure will not send chain stopping signal.Such as, upper one procedure can
Think that belt transmits material.
When whole roll screens all break down, then thermorelay E1 overload, causes catalyst KM coil blackout,
Catalyst stops Guan Bi, the wholly off operation of all roll screens, then then sends chain shutdown to one procedure and believes
Number, it is to avoid solid accumulation.
Specifically, such as, when certain root roll screen card has foreign material, if quantity is few, it should be that single roll screen is corresponding
The 4th chopper be QF4 tripping operation, after checking out, be directly that QF4 closes a floodgate i.e. by QF4 the 4th chopper
Can；If situations such as card foreign material quantity are many, the thermorelay E1 in major loop is caused to transship, thermorelay E1
Normally-closed contact disconnect, cause catalyst KM coil blackout, catalyst stops Guan Bi, and major loop breaks, institute
Having roll screen to shut down, after checking out fault, thermorelay resets and can restart.
The roll screen that the present invention provides controls loop, and controller 1 can receive the long-range control of industrial computer by netting twine
Signal, closes according to control signal control contactor KM, thus controls roll screen motor M and start；And work as
All roll screens break down, and thermorelay E1 current overload causes catalyst KM coil to disconnect, all rollers
When sieving wholly off operation, controller 1 just returns catalyst trip signal to industrial computer, chain carrying out
Shut down, improve the accuracy controlled.Further, by motor protective circuit breaker respectively with the motor of each roll screen
It is connected, can avoid i.e. returning trip signal because any one electrical equipment or circuit break down, cause even
Locking machine；It addition, the design of this control loop is simple, can quickly find trouble point, when shortening failture evacuation
Between.
The above, only presently preferred embodiments of the present invention, it is not intended to limit the protection model of the present invention
Enclose, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, all should
Within being included in protection scope of the present invention.
Claims (10)
1. a roll screen controls loop, it is characterised in that described control loop includes:
Catalyst, the coil of described catalyst is connected with the first port of described controller；
Thermorelay, the first contact of described thermorelay is connected with the coil of described catalyst；
First chopper, the first contact of described first chopper is connected with the second port of described controller；
Second chopper, the first port of described second chopper is connected with the first port of described thermorelay；
3rd chopper, the first port of described 3rd chopper connects with the second port of described second chopper
Connect；
4th chopper, the first port of described 4th chopper connects with the second port of described 3rd chopper
Connect；Wherein, when described first chopper, described second chopper, described 3rd chopper and the described 4th
When chopper is in "on" position, described controller controls described catalyst according to the control signal received and closes
Closing, the motor triggering described roll screen is opened.
Control loop the most as claimed in claim 1, it is characterised in that the first contact of described catalyst with
3rd port of described controller connects.
Control loop the most as claimed in claim 1, it is characterised in that the second contact of described thermorelay
It is connected with the 4th port of described controller.
Control loop the most as claimed in claim 1, it is characterised in that the coil of described catalyst is with described
First port of controller is connected by the first connected mode.
Control loop the most as claimed in claim 4, it is characterised in that described first connected mode is specifically wrapped
Include and connected by control line.
Control loop the most as claimed in claim 1, it is characterised in that the fifth port of described controller is divided
Not with the of the second contact of described thermorelay, the first contact of described catalyst and described first chopper
One contact is connected.
Control loop the most as claimed in claim 1, it is characterised in that the first contact of described catalyst is
The normally opened contact of described catalyst.
Control loop the most as claimed in claim 1, it is characterised in that described control loop also includes: molten
Disconnected device, described fuse is arranged in the supply line in described control loop.
Control loop the most as claimed in claim 8, it is characterised in that the 6th port of described controller leads to
Cross the second connected mode to be connected with industrial computer, for receiving the control signal that described industrial computer sends.
Control loop the most as claimed in claim 8, it is characterised in that described second connected mode is logical
Cross netting twine to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457224.4A CN106000872B (en) | 2016-06-22 | 2016-06-22 | A kind of roll screen control loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610457224.4A CN106000872B (en) | 2016-06-22 | 2016-06-22 | A kind of roll screen control loop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106000872A true CN106000872A (en) | 2016-10-12 |
| CN106000872B CN106000872B (en) | 2019-06-11 |
Family
ID=57087182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610457224.4A Active CN106000872B (en) | 2016-06-22 | 2016-06-22 | A kind of roll screen control loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106000872B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09308280A (en) * | 1996-05-08 | 1997-11-28 | Fuji Car Mfg Co Ltd | Vibration motor stop control method and control circuit |
| CN2768268Y (en) * | 2004-11-12 | 2006-03-29 | 王志明 | Intelligent motor control protector for multi-purpose oil pumping unit for intermittent oil extraction in oil field |
| CN2802802Y (en) * | 2005-06-22 | 2006-08-02 | 中央储备粮徐州直属库 | Movable automatic control distribution trolley |
| CN201349105Y (en) * | 2009-01-08 | 2009-11-18 | 上海市政工程设计研究总院 | Low-voltage motor controlling device |
| US20100123986A1 (en) * | 2008-11-14 | 2010-05-20 | Moeller Gmbh | Short circuit limitation device in a low voltage system |
| CN201717814U (en) * | 2010-06-30 | 2011-01-19 | 叶志平 | Single velocity starting and stopping controller |
| CN203437319U (en) * | 2013-07-16 | 2014-02-19 | 湖南绿海粮油有限公司 | Anti-blocking vibrating screen control circuit capable of being controlled remotely |
| CN203731060U (en) * | 2013-12-24 | 2014-07-23 | 济南重工股份有限公司 | High-low pressure lubrication oil station |
| CN204068769U (en) * | 2014-07-21 | 2014-12-31 | 北京首钢自动化信息技术有限公司 | A kind of control loop no-harass switch device of low voltage motor |
| CN205038477U (en) * | 2015-09-21 | 2016-02-17 | 长岭炼化岳阳工程设计有限公司 | External multiaspect air inlet filter electrical control box of filter cloth |
-
2016
- 2016-06-22 CN CN201610457224.4A patent/CN106000872B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09308280A (en) * | 1996-05-08 | 1997-11-28 | Fuji Car Mfg Co Ltd | Vibration motor stop control method and control circuit |
| CN2768268Y (en) * | 2004-11-12 | 2006-03-29 | 王志明 | Intelligent motor control protector for multi-purpose oil pumping unit for intermittent oil extraction in oil field |
| CN2802802Y (en) * | 2005-06-22 | 2006-08-02 | 中央储备粮徐州直属库 | Movable automatic control distribution trolley |
| US20100123986A1 (en) * | 2008-11-14 | 2010-05-20 | Moeller Gmbh | Short circuit limitation device in a low voltage system |
| CN201349105Y (en) * | 2009-01-08 | 2009-11-18 | 上海市政工程设计研究总院 | Low-voltage motor controlling device |
| CN201717814U (en) * | 2010-06-30 | 2011-01-19 | 叶志平 | Single velocity starting and stopping controller |
| CN203437319U (en) * | 2013-07-16 | 2014-02-19 | 湖南绿海粮油有限公司 | Anti-blocking vibrating screen control circuit capable of being controlled remotely |
| CN203731060U (en) * | 2013-12-24 | 2014-07-23 | 济南重工股份有限公司 | High-low pressure lubrication oil station |
| CN204068769U (en) * | 2014-07-21 | 2014-12-31 | 北京首钢自动化信息技术有限公司 | A kind of control loop no-harass switch device of low voltage motor |
| CN205038477U (en) * | 2015-09-21 | 2016-02-17 | 长岭炼化岳阳工程设计有限公司 | External multiaspect air inlet filter electrical control box of filter cloth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106000872B (en) | 2019-06-11 |
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