CN207095281U - A kind of tunnel cave control system - Google Patents
A kind of tunnel cave control system Download PDFInfo
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- CN207095281U CN207095281U CN201720490058.8U CN201720490058U CN207095281U CN 207095281 U CN207095281 U CN 207095281U CN 201720490058 U CN201720490058 U CN 201720490058U CN 207095281 U CN207095281 U CN 207095281U
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- tunnel cave
- control
- temperature
- frequency converter
- host computer
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Abstract
The utility model discloses a kind of tunnel cave control system, including the first host computer, and it is used to monitor tunnel cave in real time；Second host computer, it is used to be tracked the chassis information in tunnel cave and inquire about product information；Slave computer, it is connected respectively by fieldbus with the first host computer and the second host computer, for being acquired processing to process data；Multiple control units, it is connected with slave computer respectively, for realizing the control function of multiple control units；Power supply, it is electrically connected by emergency off push-button and the first host computer, the second host computer, slave computer and multiple control units.The utility model realizes detection, control and the control to each fan transmission mechanism to temperature, pressure in tunnel cave by host computer, slave computer and multiple control units, make the system cost cheap, fast response time, stable performance, it is reliable, there are extremely strong flexibility and adaptability.
Description
Technical field
The utility model belongs to tunnel cave technical field, more particularly to a kind of tunnel cave control system.
Background technology
Tunnel cave is a kind of continous way kiln, is sequentially provided with preheating zone, clinkering zone and cooling zone in tunnel cave, is mainly used in
Architectural pottery, industrial ceramics etc. are fired.Be provided with smoke exhaust fan in usual preheating zone, through the chassis of preheating zone and clinkering zone under
Side is provided with blower fan under car, and combustion fan is provided with clinkering zone, is provided with cooling zone and takes out air-heater.In the prior art, tunnel cave
Control is typically completed by manually, such as to blower fan under smoke exhaust fan, combustion fan, car and the power output for taking out air-heater
Control.This mode makes properties of product unstable, and the operational reliability of tunnel cave is low, dumb, bad adaptability, ultimately results in production
The quality stability of product is poor.
Utility model content
For technical problem present in prior art, the utility model provides a kind of tunnel cave control system, is carried with body
The quality stability of high product.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of tunnel cave control system, preheating zone, clinkering zone and cooling zone, the tunnel are sequentially provided with the tunnel cave
Kiln control system includes
First host computer, it is used to monitor the tunnel cave in real time；
Second host computer, it is used to be tracked the chassis information in the tunnel cave and look into product information
Ask；
Slave computer, it is connected respectively by fieldbus with first host computer and the second host computer, for process
Data are acquired processing；
Multiple control units, it is connected with the slave computer respectively, for realizing the control work(of multiple described control units
Energy；
Power supply, it is single by emergency off push-button and first host computer, the second host computer, slave computer and multiple controls
Member is electrically connected.
Preferably, the multiple described control unit includes：
Smoke exhaust fan pressure control unit, it is used to detect and controls the pressure in the preheating zone；
Car pushes Force balance control unit, and it is used to detect and controls pressure under the car in the preheating zone and clinkering zone；
Oxygen content of smoke gas control unit, it is used to detect and controls the oxygen content between the preheating zone and clinkering zone；
Temperature control unit, it is used to detect and controls the temperature in the clinkering zone；
Combustion air flow controlling unit, it is used to detect and controls the combustion-supporting wind flow in the clinkering zone；
Hot blast control unit is taken out, it, which is used to detect and controlled in the cooling zone, takes out hot air flow.
In any of the above-described scheme preferably, the smoke exhaust fan pressure control unit includes the first frequency converter and is located at
First pressure sensor and smoke exhaust fan in the preheating zone, first frequency converter are connected with smoke exhaust fan, and described first
Frequency converter and first pressure sensor are connected with the slave computer signal respectively.
In any of the above-described scheme preferably, the car, which pushes Force balance control unit, includes the second frequency converter, second
Blower fan, the second pressure under blower fan and the second car under pressure sensor, the 3rd frequency converter, the 3rd pressure sensor, the first car
Blower fan is in the preheating zone under sensor and the first car, and blower fan is located at described under the second pressure sensor and the second car
In clinkering zone, second frequency converter and the 3rd frequency converter are connected with the slave computer signal, and respectively with first car
Blower fan connects under lower blower fan and the second car.
In any of the above-described scheme preferably, the oxygen content of smoke gas control unit include the first single-loop controller and
It is used for the oxygen amount meter for detecting oxygen content in flue gas, first single-loop controller point between the clinkering zone and preheating zone
It is not connected with oxygen amount meter and slave computer signal.
In any of the above-described scheme preferably, the temperature control unit includes the second single-loop controller, temperature becomes
Device and the detector unit in the clinkering zone are sent, the temperature transmitter is connected with detector unit, for inciting somebody to action
The temperature signal that detector unit measures is converted to current signal, second single-loop controller and the temperature transmitter
Connected respectively with natural gas electric control valve.
In any of the above-described scheme preferably, first single-loop controller and the second single-loop controller are temperature
Spend controller.
In any of the above-described scheme preferably, the detector unit is infra-red thermometer.
In any of the above-described scheme preferably, the combustion air flow controlling unit includes the 4th frequency converter and located at institute
First flow sensor and the combustion fan in clinkering zone are stated, the 4th frequency converter is connected with combustion fan, and the described 4th becomes
Frequency device and first flow sensor are connected with the slave computer respectively.
In any of the above-described scheme preferably, the hot blast control unit of taking out includes the 5th frequency converter and located at described cold
But band in second flow sensor and take out air-heater, the 5th frequency converter is connected with taking out air-heater, the 5th frequency converter
It is connected respectively with the slave computer with second flow sensor.
In any of the above-described scheme preferably, second host computer is connected with printer.
In any of the above-described scheme preferably, first host computer and the second host computer are industrial computer.
In any of the above-described scheme preferably, the fieldbus is EPA.
In any of the above-described scheme preferably, the emergency off push-button is trip push button.
In any of the above-described scheme preferably, the slave computer is PLC.
Compared with prior art, beneficial effect possessed by the utility model is：The utility model passes through host computer, bottom
Machine and multiple control units realize detection, control and the control to each fan transmission mechanism to temperature, pressure in tunnel cave
System, makes that tunnel cave control system cost is cheap, and fast response time, stable performance is reliable, there is extremely strong flexibility and adaptation
Property.
Brief description of the drawings
Fig. 1 is the frame structure schematic diagram according to a preferred embodiment of tunnel cave control system of the present utility model；
Fig. 2 is the schematic diagram according to a preferred embodiment of the control structure of tunnel cave control system of the present utility model.
In figure：
The host computers of 1- first；The host computers of 2- second；3- slave computers；4- smoke exhaust fan pressure control units；41- first pressures
Sensor；The frequency converters of 42- first；5- cars push Force balance control unit；51- second pressure sensors；The frequency converters of 52- second；
The pressure sensors of 53- the 3rd；The frequency converters of 54- the 3rd；6- combustion air flow controlling units；61- first flow sensors；62-
Four frequency converters；7- oxygen content of smoke gas control units；71- oxygen amount meters；The single-loop controllers of 72- first；8- temperature control units；
The single-loop controllers of 81- second；82- temperature transmitters；83- detector units；9- takes out hot blast control unit；91- seconds
Quantity sensor；The frequency converters of 92- the 5th；10- printers.
Embodiment
It is below in conjunction with the accompanying drawings and specific real to make those skilled in the art more fully understand the technical solution of the utility model
Example is applied to elaborate to the utility model.
As depicted in figs. 1 and 2, embodiment of the present utility model is related to a kind of tunnel cave control system, for tunnel cave
Control, is provided with preheating zone, clinkering zone and cooling zone in tunnel cave, and tunnel cave control system includes power supply, the first host computer 1, the
Two host computers 2, slave computer 3 and multiple control units, the first host computer 1 is used to monitor tunnel cave in real time, with convenient to operate
Personnel clearly grasp running situation in time, the second host computer 2 be used to be tracked the chassis information in tunnel cave and
Product information is inquired about, the first host computer 1 and the second host computer 2 in the present embodiment are both preferably industrial computer, and second
Host computer is connected with printer 10, is printed out with the data message to inquiry.Slave computer 3 passes through fieldbus（For example,
It can be EPA）It is connected respectively with the first host computer 1 and the second host computer 2, for being acquired place to process data
Reason.Multiple control units are connected with slave computer 3 respectively, and slave computer 3 is PLC, for realizing the control work(of multiple control units
Energy.Power supply is electric respectively by emergency off push-button and the first host computer 1, the second host computer 2, slave computer 3 and multiple control units
Property connection, emergency off push-button is preferably trip push button.
In the present embodiment, control unit includes:Smoke exhaust fan pressure control unit 4, car push Force balance control unit
5th, oxygen content of smoke gas control unit 7, temperature control unit 8, combustion air flow controlling unit 6 and hot blast control unit 9 is taken out, discharged fume
Blower pressure control unit 4 is used to detecting and control pressure in preheating zone, car push Force balance control unit 5 be used for detect with
Pressure under the car in preheating zone and clinkering zone is controlled, oxygen content of smoke gas control unit 8 is used to detecting and controlling preheating zone and burnt till
The oxygen content of opening position between band, temperature control unit 7 are used to detecting and controlling the temperature in clinkering zone, combustion-supporting wind flow control
Unit 6 is used to detecting and controlling the combustion-supporting wind flow in clinkering zone, takes out hot blast control unit 9 and is used to detect and control in cooling zone
Take out hot air flow.
In the present embodiment, smoke exhaust fan pressure control unit 4 include the first frequency converter 42 and in preheating zone first
Pressure sensor 41 and smoke exhaust fan（Not shown in figure）, the first frequency converter 42 is connected with smoke exhaust fan, the He of the first frequency converter 42
First pressure sensor 41 is connected with the signal of slave computer 3 respectively.Two smoke exhaust fan the using and the reserved, two smoke exhaust fans are in logic
Interlocking, electrical control account for three switch output points using two sets of independent stars-triangle control, often set（Master, star, triangle）, account for three
Individual switch input point（Start, stop, failure）, therefore smoke exhaust fan control takes 6 points of switch inputs：（Start, stop, failure）
X 2,6 points of switch outputs：（Master, star, triangle）ⅹ2.
Car push Force balance control unit 5 include the second frequency converter 52, second pressure sensor 51, the 3rd frequency converter 54,
Blower fan under 3rd pressure sensor 53, the first car（Not shown in figure）With blower fan under the second car（Not shown in figure）, second pressure
Blower fan is in preheating zone under the car of sensor 51 and first, and blower fan is located at clinkering zone under the 3rd pressure sensor 53 and the second car
Interior, the second frequency converter 52 and the 3rd frequency converter 54 are connected with the signal of slave computer 3, and respectively with blower fan under the first car and the second car
Lower blower fan connection.Blower fan is chilling blower fan under blower fan and the second car under first car, and its speed is adjusted by frequency converter, passes through PLC
Internal PID arithmetic output 4mA~20mA standard signal, to control the output frequency of frequency converter, while in man-machine interface
It can realize that hand automatically switches to be controlled, therefore blower fan takes under blower fan and the second car under the first car：5 points of switch inputs：
Chilling A startups, chilling B startups, chilling stopping, chilling A failures, chilling B failures；2 points of switch outputs：（Operation control）ⅹ2；1
Point simulation output：Frequency is adjusted（Hand automatically adjusts）.
Oxygen content of smoke gas control unit 7 includes the first single-loop controller 72 and is used between clinkering zone and preheating zone
The oxygen amount meter 71 of oxygen content in flue gas is detected, the first single-loop controller 72 is connected with oxygen amount meter 71 and the signal of slave computer 3 respectively.
Temperature control unit 8 includes the second single-loop controller 81, temperature transmitter 82 and the detector unit in clinkering zone
83, detector unit 83 is preferably infra-red thermometer, and temperature transmitter 82 is connected with detector unit 83, for by temperature
The temperature signal that degree detecting element 83 measures is converted to 4mA~20mA current signal, the second single-loop controller 81 and temperature
Transmitter 82 and natural gas electric control valve 84 connect respectively, to adjust the flow of natural gas according to the temperature measured, so as to
Make temperature stabilization.In the present embodiment, the first single-loop controller 72 and the second single-loop controller 81 are temperature controller.
Combustion air flow controlling unit 6 includes the 4th frequency converter 62 and the He of first flow sensor 61 in clinkering zone
Combustion fan（Not shown in figure）, the 4th frequency converter 62 is connected with combustion fan, the 4th frequency converter 62 and first flow sensor
61 are connected with slave computer 3 respectively, and the flow signal that first flow sensor 61 measures is sent to slave computer 3, and slave computer 3 passes through control
The output frequency of the 4th frequency converter 62 is made to control the speed of service of combustion fan, so as to adjust the wind flow in clinkering zone.Two
Individual combustion fan the using and the reserved, two combustion fans are interlocked in logic, and electrical control is controlled using two sets of independent stars-triangle,
Often set accounts for three switch output points（Master, star, triangle）, account for three switch input points（Start, stop, failure）, therefore combustion air
Machine control takes 6 points of switch inputs：（Start, stop, failure）X 2,6 points of switch outputs：（Master, star, triangle）ⅹ2.
Take out second flow sensor 91 of the hot blast control unit 9 including the 5th frequency converter 92 and in cooling zone and take out heat
Blower fan（Not shown in figure）, the 5th frequency converter 92 is connected with taking out air-heater, and the 5th frequency converter 92 and second flow sensor 91 divide
It is not connected with slave computer 3.The flow signal that second flow sensor 91 measures is sent to slave computer 3, and slave computer 3 passes through control the
The output frequency of five frequency converters 92 takes out the speed of service of air-heater to control, so as to adjust the exhausting stream that air-heater is taken out in cooling zone
Amount.
The structure chart of the control system of tunnel cave in the present embodiment is as shown in Fig. 2 it includes a temperature collect module
（CAN—AD1216）, two temperature control modules（EASY—M0808R—A0404NB）, two Fans control modules（Easy-
M1608R）, a Tai Zuo main websites PLC（Easy-M1608R）, two Embedded PLCs（Easy-M2416R）Four are dragged for control
The PLC of car part（Easy-M1608R）, one be used for display control man-machine interface and one is used for the common computer that monitors,
Wherein, temperature collect module has：16 tunnel temperature inputs, the field-bus interface with CAN net connections, for each acquisition module,
The network of the PLC interconnection compositions of Easy series.Temperature control modules have：8 On-off signals, 8 output switch parameters, 4 road moulds
Analog quantity input, 4 road analog outputs and CAN nets are connected to each acquisition module, the field-bus interface of PLC interconnection, with leading to
It is connected with man-machine interface and is connected in order to field monitor and the RS0 serial ports of operation, with calculating in order to computer record management
RS1 serial ports.Every Embedded PLC has：There are 24 On-off signals, 16 output switch parameters, be connected to CAN nets with respectively adopting
Collection module, PLC interconnection field-bus interface, be connected with general man-machine interface in order to field monitor and the RS0 serial ports of operation,
It is connected with calculating in order to the RS1 serial ports of computer record management.The PLC for doing main website has：16 On-off signals, 8 points of switches
Amount output, the field-bus interface being connected with CAN net connections in order to each acquisition module, be connected with general man-machine interface in order to
The RS0 serial ports that scene prison shows and operated.In the present embodiment, all air-blower controls and magnetic valve and trailer are all by PLC
Digital output modul, analog quantity temperature acquisition is completed by temperature collect module, simulation amount temperature is completed by temperature control modules
Control, and by PID regulation outputs（4-20mA is to actuator and frequency converter）, to control actuator and frequency converter, so as to control
The temperature of kiln.All control devices form a network, and the whole CAN network interconnection is realized by CANSET softwares,
Related information passes to computer by RS485 networks, and computer is only used as information management, is not involved in controlling.
The second host computer in the present embodiment example（Man-machine interface）In include：In-site modeling module, temperature real-time curve
Module, control setting curve module, historical text module and report print module, the image that wherein man-machine interface is shown by
Four parts form, and topmost is that date-time is shown and alarm revolving horse lantern and Chinese and English switching push button, wherein alarm revolving horse lantern show
The operation troubles and combustion gas for showing 11 Fans transfinite（Bound）And 9 slave stations go offline display.When system failure, alarm
Revolving horse lantern display device normal operation.The top of center section is in-site modeling figure, and field apparatus and work are observed for showing
The run indicator of the certain situation, such as 11 Fans of skill operation, in fan operation, corresponding indicator lamp can become green；
Its corresponding indicator lamp can become green when main solenoid valve and each branch magnetic valve are opened.The bottom of center section is 11 Fans
Startup, the open and close button of stop button and main solenoid valve, according to technique and safety interlocking requirement, only smoke exhaust fan（A
Or B）Combustion fan could be started after startup（A or B）, after combustion fan starts（A or B）Main valve could be opened, after main valve is opened
Each branch magnetic valve could be opened.More than each equipment the chain requirement --- combustion fan --- main valve --- that is smoke exhaust fan successively
Each branch magnetic valve.In the case of no startup prime equipment, rear class equipment will not be started, if instead stopped prime
Equipment, rear class equipment are also automatically stopped accordingly.Boot sequence between above-mentioned each equipment carried out in program it is chain, simultaneously
Also carried out on hardware distribution chain.Bottommost is four and changes face button and all clear button and press-key lock button, presses
Each frames button that changes is pressed to enter its corresponding sprite." all clear " button is an alternate type button, and pressing is " alert
Report releasing " button can release sound and light alarm output when breaking down, and it can only temporarily release current sound and light alarm, alarm
Corresponding failure can be also shown on revolving horse lantern, if failure does not exclude, acousto-optic report can be also sent in next PLC startup optimizations
It is alert." button is effective " button is an alternate type button, and " button inactive " key is to protect interface button not set by pressing by mistake
Put, when " button inactive ", action will not be produced by pressing pressure fan start and stop button and main valve button.
Tunnel cave control system in the present embodiment is by using EASY series of PLC, and hardware configuration is simple, and cost is cheap,
Fast response time, it is cost-effective, it can also be easily extended according to being actually needed, there is extremely strong flexibility and adaptation
Property.Onsite application shows that its stable performance is reliable.
Above example is only exemplary embodiment of the present utility model, is not used in limitation the utility model, and this practicality is new
The protection domain of type is defined by the claims.Those skilled in the art can be in essence of the present utility model and protection domain
It is interior, various modifications or equivalent substitution are made to the utility model, this modification or equivalent substitution also should be regarded as new in this practicality
In the protection domain of type.
Claims (12)
1. a kind of tunnel cave control system, for the control of tunnel cave, be sequentially provided with the tunnel cave preheating zone, clinkering zone and
Cooling zone, it is characterised in that the tunnel cave control system includes
First host computer, it is used to monitor the tunnel cave in real time；
Second host computer, it is used to be tracked the chassis information in the tunnel cave and inquire about product information；
Slave computer, it is connected respectively by fieldbus with first host computer and the second host computer, for process data
It is acquired processing；
Multiple control units, it is connected with the slave computer respectively, more for realizing the control function of multiple described control units
Individual described control unit includes：
Smoke exhaust fan pressure control unit, it is used to detect and controls the pressure in the preheating zone；
Car pushes Force balance control unit, and it is used to detect and controls pressure under the car in the preheating zone and clinkering zone；
Oxygen content of smoke gas control unit, it is used to detect and controls the oxygen content between the preheating zone and clinkering zone, the cigarette
Gas Control for Oxygen Content unit includes the first single-loop controller and is used to detect flue gas between the clinkering zone and preheating zone
The oxygen amount meter of middle oxygen content, first single-loop controller are connected with oxygen amount meter and slave computer signal respectively；
Temperature control unit, it is used to detect and controls the temperature in the clinkering zone, and the temperature control unit includes second
Single-loop controller, temperature transmitter and the detector unit in the clinkering zone, second single-loop controller
It is connected respectively with the temperature transmitter and natural gas electric control valve, the temperature transmitter is connected with detector unit,
Temperature signal for detector unit to be measured is converted to current signal, and simulation amount temperature is completed by temperature collect module
Collection, temperature collect module have：16 tunnel temperature inputs, the field-bus interface with CAN net connections, for each acquisition module,
The network of the PLC interconnection compositions of Easy series；Analog quantity temperature control, the temperature control mould are completed by temperature control modules
Block has：8 On-off signals, 8 output switch parameters, 4 road analog inputs, 4 road analog outputs, it is connected to CAN nets
The field-bus interface that is interconnected with each acquisition module, PLC, it is connected with general man-machine interface in order to field monitor and operation
RS0 serial ports, with calculate be connected in order to the RS1 serial ports of computer record management；The temperature control modules adjust defeated by PID
Go out, to control the temperature in executive component control kiln；
Combustion air flow controlling unit, it is used to detect and controls the combustion-supporting wind flow in the clinkering zone；
Hot blast control unit is taken out, it, which is used to detect and controlled in the cooling zone, takes out hot air flow；
Power supply, it passes through emergency off push-button and first host computer, the second host computer, slave computer and multiple control units
It is electrically connected.
A kind of 2. tunnel cave control system according to claim 1, it is characterised in that the smoke exhaust fan Stress control list
Member includes the first frequency converter and first pressure sensor and smoke exhaust fan in the preheating zone, first frequency converter and
Smoke exhaust fan is connected, and first frequency converter and first pressure sensor are connected with the slave computer signal respectively.
3. a kind of tunnel cave control system according to claim 1, it is characterised in that the car pushes Force balance control list
Member includes blower fan and second under the second frequency converter, second pressure sensor, the 3rd frequency converter, the 3rd pressure sensor, the first car
Blower fan under car, blower fan is in the preheating zone under the second pressure sensor and the first car, the second pressure sensor
With blower fan under the second car in the clinkering zone, second frequency converter and the 3rd frequency converter connect with the slave computer signal
Connect, and be connected respectively with blower fan under blower fan under first car and the second car.
A kind of 4. tunnel cave control system according to claim 1, it is characterised in that first single-loop controller and
Second single-loop controller is temperature controller.
5. a kind of tunnel cave control system according to claim 1, it is characterised in that the detector unit is infrared
Line thermometer.
A kind of 6. tunnel cave control system according to claim 1, it is characterised in that the combustion air flow controlling unit
First flow sensor and combustion fan including the 4th frequency converter and in the clinkering zone, the 4th frequency converter is with helping
Blower fan connection is fired, the 4th frequency converter and first flow sensor are connected with the slave computer respectively.
7. a kind of tunnel cave control system according to claim 1, it is characterised in that the hot blast control unit of taking out includes
5th frequency converter and second flow sensor in the cooling zone and air-heater is taken out, the 5th frequency converter and take out hot blast
Machine is connected, and the 5th frequency converter and second flow sensor are connected with the slave computer respectively.
8. a kind of tunnel cave control system according to claim 1, it is characterised in that second host computer, which is connected with, to be beaten
Print machine.
9. a kind of tunnel cave control system according to claim 1, it is characterised in that on first host computer and second
Position machine is industrial computer.
A kind of 10. tunnel cave control system according to claim 1, it is characterised in that the fieldbus for industry with
Too net.
11. a kind of tunnel cave control system according to claim 1, it is characterised in that the emergency off push-button is de-
Detain button.
12. a kind of tunnel cave control system according to claim 1, it is characterised in that the slave computer is PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490058.8U CN207095281U (en) | 2017-05-04 | 2017-05-04 | A kind of tunnel cave control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720490058.8U CN207095281U (en) | 2017-05-04 | 2017-05-04 | A kind of tunnel cave control system |
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| Publication Number | Publication Date |
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| CN207095281U true CN207095281U (en) | 2018-03-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998669A (en) * | 2020-08-27 | 2020-11-27 | 佛山市天禄智能装备科技有限公司 | Roller kiln safety in production protection system |
-
2017
- 2017-05-04 CN CN201720490058.8U patent/CN207095281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998669A (en) * | 2020-08-27 | 2020-11-27 | 佛山市天禄智能装备科技有限公司 | Roller kiln safety in production protection system |
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