CN107053481B - Concrete mixing plant filler bin safety control system and its control method - Google Patents
Concrete mixing plant filler bin safety control system and its control method Download PDFInfo
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- CN107053481B CN107053481B CN201710302283.9A CN201710302283A CN107053481B CN 107053481 B CN107053481 B CN 107053481B CN 201710302283 A CN201710302283 A CN 201710302283A CN 107053481 B CN107053481 B CN 107053481B
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- filler bin
- plc controller
- authorization
- feed pipe
- charging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C9/00—General arrangement or layout of plant
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1105—I-O
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Air Transport Of Granular Materials (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a kind of concrete mixing plant filler bin safety control system and its control methods, it is to install authorization control computer in weight house and install the normally closed electrically-controlled valve opened and closed by authorization control computer authorization control and normally opened pipe capsule valve in the feed pipe of each filler bin, it is only after authorization control computer issues authorization signal, normally closed electrically-controlled valve on corresponding filler bin feed pipe could be opened, so that the filler bin is connected dumper and realizes charging, filler bin is avoided to occur to expect into mistake, staff can be reminded to stop charging in time by acoustic-optic alarm when material position reaches warning position, feed pipe is forcibly closed even if failing stopping charging in time and can also control normally opened pipe capsule valve starting by PLC controller, effectively avoid occurring the danger of wharf explosion, safety control system of the invention realizes the automatic running of detection protection equipment , stop, realizing automation, saved the energy, solve the problems, such as of the existing technology.
Description
Technical field
The invention belongs to concrete mixing plant technical fields, are Specifically to be related to a kind of concrete mixing plant filler bin safety
Control system and its control method.
Background technique
The filler bin charging of concrete mixing plant is that a high pollution, more dust, frequency are high, complicated for operation worked
Journey.If misoperation was easily caused into wrong material, wharf explosion, a large amount of the problems such as emitting powder during the work time, can not only generate a large amount of
Dust, pollutes entire mixing plant environment, and different powders in mixing plant can also be mixed, seriously affects concrete production quality
And efficiency.
Summary of the invention
It is an object of the invention to provide one kind can guarantee filler bin charging correctness, avoids producing in fill process
Raw wharf explosion, the concrete mixing plant filler bin safety control system for reducing dust pollution.
The technical solution of the concrete mixing plant filler bin safety control system is: a kind of concrete mixing plant filler bin peace
Full control system, PLC controller, sensor module including installation corresponding on each filler bin, inlet control valve component, charging remove
The input terminal of dirt device and acoustic-optic alarm, the sensor module and PLC controller connects, the inlet control valve group
Part, charging dust-extraction unit and acoustic-optic alarm and the output end of PLC controller connect, and the PLC controller of each filler bin passes through
Wireless network is also connected with authorization control computer, wherein
The authorization control computer is mounted on weight house and is operated by the personnel of weighing, for uploading the raw material weight of dumper transport
And quality, and authorization charging signal is issued from the personnel of weighing to the PLC controller of specified filler bin according to the data of record；
The sensor module includes that level sensor group connects sensor with pipeline, and level sensor group is mounted on powder
For the raw material high and low position in real-time detection filler bin on the bulkhead in storehouse, pipeline connection sensor is installed on filler bin feed pipe
Nozzle at for detect feed pipe and dumper delivery hose connection status；
The inlet control valve component includes normally opened pipe capsule valve and the normally closed electrically-controlled valve being serially connected in feed pipe, described normally closed
Electrically-controlled valve is controlled by PLC controller after PLC controller receives authorization charging signal and opens feed pipe, the normally opened pipe capsule valve
Feed pipe is forcibly closed for being controlled when material position is more than warning position in storehouse by PLC controller；
The acoustic-optic alarm is equipped with the authorization charging indicator light of different colours and buy securities with all one's capital alarm lamp and high tone alerts
Device authorizes and feeds indicator light for indicating dumper movement in place after PLC controller receives authorization charging signal and connecting
Feed pipe, buy securities with all one's capital alarm lamp and high pitch alarm device are used for the prompt dumper when filler bin charging reaches warning position and stop charging；
Powder bin dust removal device is mounted on the top of filler bin, for controlling dust emission while filler bin is fed.
The level sensor group includes being mounted on the shallow level sensor of blocking rotary type of filler bin side wall and being mounted on
The blocking rotary type of filler bin roof expires level sensor, weight dropper charge level indicator and higher-frequency radar level-sensing device, the induction of level sensor group
Authorization control computer is sent to by network after signal input PLC controller.
The pipeline connection sensor is the infrared biography for being mounted on feed pipe inlet and being triggered by dumper delivery hose
Sensor or touch sensor.
The present invention additionally provides a kind of controlling party for above-mentioned concrete mixing plant filler bin safety control system simultaneously
The technical solution of method, the concrete mixing plant filler bin method of controlling security is: a kind of concrete mixing plant filler bin control safely
Method processed, comprising the following steps:
1., the weight of raw material and quality records after weighing by the personnel of weighing and is uploaded to authorization control computer by dumper；
2., authorization control computer comparison the show that each feed powder storehouse of same materials in warehouse is deposited after 1. walking the data of upload
Measure data；
3., the personnel that weigh authorization signal sent to specified filler bin by control computer according to the data on stock of each filler bin
PLC controller；
4., the PLC controller of specified filler bin receive open after authorization signal be serially connected in it is normally closed automatically controlled in feed pipe
Valve opens feed pipe and allows to feed signal by acoustic-optic alarm sending；
5., dumper the charging of the filler bin to specified filler bin and connected according to the instruction traveling of acoustic-optic alarm
Pipe, while connection signal is fed back to PLC controller by the connection sensor by installing on feed pipe；
6., PLC receive after the feedback signal of pipeline connection the synchronous dust-extraction unit for opening filler bin and by material position biography
Material position situation in sensor real-time detection storehouse；
7., buy securities with all one's capital signal to PLC controller sending when the material position of filler bin reaches warning position, PLC controller receives
Start acoustic-optic alarm after the signal of buying securities with all one's capital of level sensor and issues alarm of buying securities with all one's capital；
8., acoustic-optic alarm sound an alarm after 20 " in, if level sensor detects that material position persistently rises in storehouse,
Level signals are then sent to PLC controller, enabling signal is issued from PLC controller to pipe capsule valve, is forcibly closed by pipe capsule valve
Feed pipe.
Concrete mixing plant filler bin safety control system of the invention in weight house is mounted with authorization control computer and each
It is mounted with to manipulate the normally closed electrically-controlled valve and acoustic-optic alarm of opening and closing by PLC controller in the feed pipe of filler bin, authorize
Control computer when not issuing authorization signal, closed by normally closed electrically-controlled valve by each filler bin feed pipe, even if there is dumper connection
It can not feed, only after the personnel of weighing specify and certain filler bin is authorized to feed, the PLC controller of the specified filler bin is just beaten
The normally closed electrically-controlled valve in its feed pipe is opened, so that the filler bin is connected dumper and realizes charging, so as to effectively avoid
The problem of expecting into mistake, occurs for filler bin, moreover, powder bin dust removal device is started by PLC controller automatically in fill process, it can
To reduce manual operation, the discharge of dust is timely reduced, filler bin is avoided to emit powder, meanwhile, it can use material position biography
Sensor monitors the feed entrance point of raw material in storehouse in real time, can be timely by acoustic-optic alarm when material position reaches warning position
It reminds staff to stop charging, to avoid wharf explosion, even if failing stopping charging in time can also be controlled by PLC controller
Normally opened pipe capsule valve starts and forcibly closes feed pipe, effectively avoids the danger that wharf explosion occurs, safety control system of the invention
It realizes the automatic running of detection protection equipment, stop, realizing automation, saved the energy, solve prior art presence
The problem of.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of filler bin in concrete mixing plant filler bin safety control system of the present invention；
Fig. 2 is the structural block diagram of concrete mixing plant filler bin method of controlling security of the present invention.
Specific embodiment
It can be avoided filler bin the present invention provides one kind to expect and can be avoided into mistake to generate wharf explosion in fill process, to subtract
The concrete mixing plant filler bin safety control system of few dust pollution.Concrete mixing plant filler bin safety control system master
It will be by the PLC controller of installation corresponding on each filler bin, sensor module, inlet control valve component, charging dust-extraction unit harmony
Light warning device and the authorization control computer composition being connect by wireless network with each filler bin PLC controller, each filler bin
On sensor module and the input terminal of its PLC controller be correspondingly connected with, the inlet control valve component, charging on each filler bin remove
Dirt device and acoustic-optic alarm and the output end of its PLC controller are correspondingly connected with.
Wherein, the specific structure of filler bin is as shown in Figure 1 comprising feed bin main body 1 connects at the top of feed bin main body 1
There is one for connecting the feed pipe 2 of dumper, is fixed for connecting the pipe of dumper delivery hose at the nozzle of the feed pipe 2
Folder 4, the inlet control valve component of the filler bin is by one be serially connected in feed pipe 2 normally closed electrically-controlled valve 6 and a pipe open in usual
Capsule valve 7 forms.Sensor module on filler bin include be installed at 2 nozzle of feed pipe for detect dumper delivery hose with
The pipeline that feed pipe 2 connects connects sensor 5, is mounted in feed bin main body 1 for detecting the material position sensing of feed location in storehouse
Device group and differential pressure pickup for detecting pressure in storehouse in fill process, in the present embodiment, level sensor group is main
For be mounted on higher-frequency radar level-sensing device 9, Plumb-bob Material Level Meter 10, the blocking rotary type at the top of feed bin main body 1 expire level sensor 11 with
And it is mounted on the shallow level sensor 13 of blocking rotary type on 1 low level side wall of feed bin main body, differential pressure pickup is to be mounted on feed bin main body 1
The differential manometer 12 at top, pipeline connection sensor 5 be fixed on 2 inlet of feed pipe triggered by dumper delivery hose it is infrared
Sensor or touch sensor.Meanwhile pulsed dust-extraction unit 8 is also equipped at the top of feed bin main body 1.In feed bin main body
1 conspicuous position is also equipped with acoustic-optic alarm 14, and viridescent authorization charging indicator light is set on the acoustic-optic alarm 14
With red alarm lamp of buying securities with all one's capital, and it is mounted with high pitch alarm device work asynchronously with alarm lamp of buying securities with all one's capital, authorization charging indicator light use
In place and dumper is allowed to connect feed pipe 2 in instruction dumper is mobile, buys securities with all one's capital alarm lamp and high pitch alarm device is used in powder
Prompt dumper stops charging when storehouse charging reaches warning position.PLC controller is mounted in the control cabinet 3 in feed bin main body 1, on
Pipeline connection sensor 5, higher-frequency radar level-sensing device 9, Plumb-bob Material Level Meter 10, the blocking rotary type stated expire level sensor 11, pressure difference
Meter 12 and the shallow level sensor 13 of blocking rotary type are connected to the input terminal of PLC controller, normally closed electrically-controlled valve 6, pipe capsule valve open in usual
7, pulsed dust-removing device 8 and acoustic-optic alarm 14 are connected to the output end of PLC controller.
In concrete application, authorization control computer is mounted in the weight house of concrete mixing plant, is operated by the personnel of weighing, mainly
For personnel record and uploading for weighing and recording dumper and transport the raw material weight come and quality and receive and controlled by filler bin PLC
Raw material information in the storehouse of device processed feedback, can be according to the data of upload from the personnel of weighing to the PLC controller of specified filler bin
Issue authorization charging signal.
The invention also discloses a kind of security controls suitable for above-mentioned concrete mixing plant filler bin safety control system
Method, the method for controlling security as shown in Fig. 2, itself the following steps are included:
1., dumper after weight house weighs, the raw material weight and qualities that transported dumper by the personnel of weighing record and on
Reach authorization control computer；
2., authorization control computer comparison the show that each feed powder storehouse of same materials in warehouse is deposited after 1. walking the data of upload
Measure data；
3., the personnel that weigh authorization signal sent to specified powder by authorization control computer according to the data on stock of each filler bin
The PLC controller of feed bin；
4., the PLC controller of specified filler bin receive open after authorization signal be serially connected in it is normally closed automatically controlled in feed pipe
Valve opens feed pipe and starts authorization charging indicator light green on acoustic-optic alarm, and sending allows to feed signal；
5., dumper observe the acoustic-optic alarm on specified filler bin authorization charging indicator light, according to authorize into
The instruction traveling of material indicator light connects the feed pipe of the filler bin to specified filler bin and with delivery hose, and the conveying of dumper is soft
Pipe triggers the pipeline connection sensor installed on the feed pipe, the pipeline connection sensing when connecting with the feed pipe of specified filler bin
Connection signal is fed back to PLC controller by device；
6., PLC receive pipeline connection feedback signal after issue control signal enabling filler bin pulsed dust-removing device
And pass through material position situation in level sensor real-time detection storehouse；
7., buy securities with all one's capital signal to PLC controller sending when the material position of filler bin reaches warning position, PLC controller receives
After the signal of buying securities with all one's capital of level sensor start acoustic-optic alarm on buy securities with all one's capital alarm lamp and by high pitch alarm device sending buy securities with all one's capital
Alarm prompts staff to stop feeding in time；
8., acoustic-optic alarm sound an alarm after 20 " in, if staff fail in time stop charging, passed by material position
When sensor detects that material position persistently rises in storehouse, then the level signals are sent to PLC controller, from PLC controller to pipe capsule
Valve issues enabling signal, forcibly closes feed pipe after the starting of pipe capsule valve.
Claims (3)
1. a kind of concrete mixing plant filler bin safety control system, which is characterized in that including installation corresponding on each filler bin
PLC controller, sensor module, inlet control valve component, charging dust-extraction unit and acoustic-optic alarm, the sensor group
Part is connect with the input terminal of PLC controller, the inlet control valve component, charging dust-extraction unit and acoustic-optic alarm and PLC
The output end of controller connects, and the PLC controller of each filler bin is also connected with authorization control computer by wireless network, wherein
The authorization control computer is mounted on weight house and is operated by the personnel of weighing, for uploading the raw material weight and product of dumper transport
Matter, and the PLC controller according to the data of record from the personnel of weighing to specified filler bin issues authorization charging signal；
The sensor module includes that level sensor group connects sensor with pipeline, and level sensor group is mounted on filler bin
For the raw material high and low position in real-time detection filler bin on bulkhead, pipeline connection sensor is installed on the pipe of filler bin feed pipe
For detecting the connection status of the delivery hose of feed pipe and dumper at mouthful；
The inlet control valve component includes normally opened pipe capsule valve and the normally closed electrically-controlled valve being serially connected in feed pipe, described normally closed automatically controlled
Valve is controlled by PLC controller after PLC controller receives authorization charging signal and opens feed pipe, and the normally opened pipe capsule valve is used
It is controlled when material position is more than warning position in Yu Cang by PLC controller and forcibly closes feed pipe；
The acoustic-optic alarm is equipped with the authorization charging indicator light of different colours and buy securities with all one's capital alarm lamp and high pitch alarm device, awards
It weighs and feeds indicator light for indicating dumper movement in place after PLC controller receives authorization charging signal and connecting charging
Pipe, buy securities with all one's capital alarm lamp and high pitch alarm device are used for the prompt dumper when filler bin charging reaches warning position and stop charging；
Powder bin dust removal device is mounted on the top of filler bin, for controlling dust emission while filler bin is fed；
The level sensor group includes being mounted on the shallow level sensor of blocking rotary type of filler bin side wall and being mounted on powder
The blocking rotary type of silo roof wall expires level sensor, weight dropper charge level indicator and higher-frequency radar level-sensing device, the inductive signal of level sensor group
Authorization control computer is fed back to by wireless network after input PLC controller.
2. concrete mixing plant filler bin safety control system according to claim 1, which is characterized in that the pipeline
Connecting sensor is the infrared sensor or touch sensor for being mounted on feed pipe inlet and being triggered by dumper delivery hose.
3. a kind of control method of the concrete mixing plant filler bin safety control system as described in claim 1, feature exist
In, comprising the following steps:
1., the weight of raw material and quality records after weighing by the personnel of weighing and is uploaded to authorization control computer by dumper；
2., authorization control computer comparison the 1. walk each feed powder storehouse storage that same materials in warehouse are shown after the data of upload
Data；
3., the personnel that weigh authorization signal sent to specified filler bin by control computer according to the data on stock of each filler bin
PLC controller；
4., the PLC controller of specified filler bin open the normally closed electrically-controlled valve being serially connected in feed pipe after receiving authorization signal,
It opens feed pipe and allows to feed signal by acoustic-optic alarm sending；
5., dumper the feed pipe of the filler bin to specified filler bin and connected according to the instruction traveling of acoustic-optic alarm, together
When connection signal fed back to by PLC controller by the connection sensor installed on feed pipe；
6., PLC receives the synchronous dust-extraction unit for opening filler bin after the feedback signal of pipeline connection and passes through level sensor
Material position situation in real-time detection storehouse；
7., buy securities with all one's capital signal to the sending of PLC controller when the material position of filler bin reaches warning position, PLC controller receives material
Start acoustic-optic alarm after the signal of buying securities with all one's capital of level sensor and issues alarm of buying securities with all one's capital；
8., acoustic-optic alarm sound an alarm after 20 " in, if level sensor detects that material position persistently rises in storehouse, will
Level signals are sent to PLC controller, from PLC controller to pipe capsule valve issue enabling signal, by pipe capsule valve forcibly close into
Expects pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302283.9A CN107053481B (en) | 2017-05-02 | 2017-05-02 | Concrete mixing plant filler bin safety control system and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710302283.9A CN107053481B (en) | 2017-05-02 | 2017-05-02 | Concrete mixing plant filler bin safety control system and its control method |
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| Publication Number | Publication Date |
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| CN107053481A CN107053481A (en) | 2017-08-18 |
| CN107053481B true CN107053481B (en) | 2019-02-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108820613B (en) * | 2018-07-17 | 2024-03-15 | 河南潜合自动化科技有限公司 | Powder bin safety monitoring system |
| CN111846986B (en) * | 2020-07-28 | 2022-04-29 | 三一汽车制造有限公司 | Material storage system and material storage method |
| CN112327709A (en) * | 2020-11-16 | 2021-02-05 | 山东开创云计算有限公司 | Intelligent management and control system for powder bin |
| CN113793095A (en) * | 2021-09-03 | 2021-12-14 | 北京慧同科技有限公司 | Intelligent feeding control method and system and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201493964U (en) * | 2009-08-26 | 2010-06-02 | 成都市新筑路桥机械股份有限公司 | Automatic unloading control system of stabilized soil mixing station finished product warehouse |
| CN202130880U (en) * | 2011-06-07 | 2012-02-01 | 杭州明云混凝土有限公司 | Powder storing control system |
| CN203600433U (en) * | 2013-12-03 | 2014-05-21 | 利勃海尔机械(徐州)有限公司 | Comprehensive monitoring device for filler silos of concrete batching plants |
| CN103662878B (en) * | 2013-12-10 | 2015-12-02 | 中联重科股份有限公司 | Mixing plant and explosion-proof bin control method, controller and system for powder bin of mixing plant |
| CN204423087U (en) * | 2015-02-03 | 2015-06-24 | 左厅 | A kind of PLC control type loading device of packaging machine based on wireless network |
| CN106115284B (en) * | 2016-08-08 | 2018-12-18 | 长沙惠工智能科技股份有限公司 | A kind of powder feeding system and charging method |
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