CN207180812U - Weight dropper charge level indicator automatic control system - Google Patents
Weight dropper charge level indicator automatic control system Download PDFInfo
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- CN207180812U CN207180812U CN201721170603.1U CN201721170603U CN207180812U CN 207180812 U CN207180812 U CN 207180812U CN 201721170603 U CN201721170603 U CN 201721170603U CN 207180812 U CN207180812 U CN 207180812U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
A kind of weight dropper charge level indicator automatic control system is the utility model is related to, its structure includes level-sensing device, photoelectric encoder, hydraulic cylinder and level-sensing device controller；The level-sensing device is connected by shaft coupling with the photoelectric encoder, and the photoelectric encoder electrically connects with the level-sensing device controller, and the hydraulic cylinder connects with the level-sensing device；The photoelectric encoder is used for the down position for detecting the weight in level-sensing device, and weight position detection signal is passed into host computer by the level-sensing device controller；The level-sensing device controller is used to receive the instruction that host computer is sent, and when level-sensing device weight drops to setting height, instructs the hydraulic cylinder to drive level-sensing device weight to rise and resets.The utility model adapts to the adverse circumstances of the high dust high-temperature of production scene, and system can carry out chain control by multiple interfaces mode and host computer, be provided convenience for further expanding for control system.
Description
Technical field
It the utility model is related to a kind of control device of limekiln weight dropper charge level indicator, specifically a kind of weight dropper charge level indicator
Automatic control system.
Background technology
In general weight dropper charge level indicator controller is made up of the part such as single-chip microcomputer, counter, electrical converter and sensor,
In measurement, weight declines level-sensing device, stops declining in the moment for touching dielectric surface, then withdraws weight, directly surveys
Height distance of the amount top without material space, so as to measure the height of material position indirectly.The master control borad made using single-chip microcomputer is restricted
The influence of the factors such as version technique, layout structure, device quality, cause poor anti jamming capability, fault rate is high, is not easy to extend, to ring
Border dependence is strong, construction cycle length, during for more severe measuring environment, particularly high temperature, high dust, the measurement ring of vibration
During border, the controller of level-sensing device easily breaks down, so as to cause level-sensing device cisco unity malfunction.
Utility model content
The purpose of this utility model is just to provide a kind of weight dropper charge level indicator automatic control system, to solve severe measuring environment
When level-sensing device cisco unity malfunction the problem of.
What the utility model was realized in：A kind of weight dropper charge level indicator automatic control system, including level-sensing device, photoelectric coding
Device, hydraulic cylinder and level-sensing device controller；The level-sensing device is connected by shaft coupling with the photoelectric encoder, the photoelectric coding
Device electrically connects with the level-sensing device controller, and the hydraulic cylinder connects with the level-sensing device；The photoelectric encoder is used to detect
The down position of weight in level-sensing device, and weight position detection signal passed to by the level-sensing device controller upper
Machine；The level-sensing device controller is used to receive the instruction that host computer is sent, when level-sensing device weight drops to setting height, instruction
The hydraulic cylinder drives level-sensing device weight to rise reset.
The level-sensing device controller includes：
Level-sensing device position detection unit, connects with central processing unit, for detecting the down position of the weight in level-sensing device,
And detection signal is sent to the level-sensing device controller；
Central processing unit, respectively with level-sensing device position detection unit, communication processing unit, level-sensing device location parameter setting and
Display unit and signal input-output unit connect, for carrying out code device signal processing, the display of controlling level, parameter
Setting and preservation and the communication contact with host computer；
Communication processing unit, connect with central processing unit, for establishing communication connection between central processing unit and host computer
System, receive detection signal in order to host computer and send control instruction to level-sensing device controller；
Level-sensing device location parameter is set and display unit, connects with central processing unit, for the control to level-sensing device controller
Parameter processed is set and adjusted；And
Signal input-output unit, connects with central processing unit, data signal instruction, the control transmitted for receiving host computer
The lifting of level-sensing device weight processed and the level signals real-time Transmission of measurement to host computer.
The utility model makees master controller using the single-chip microcomputer of technical grade, using photoelectric encoder as level-sensing device feedback letter
Number, it is used as executing agency by the use of hydraulic cylinder.When charge level declines, weight dropper charge level indicator drives hydraulic cylinder by deadweight, now
Photoelectric encoder is worked together with level-sensing device, and weight position signalling is sent to master controller, master controller by photoelectric encoder
The signal for receiving photoelectric encoder transmission is simultaneously converted into analog signalses, sends host computer to, host computer according to feedback signal with
Setting height is compared, when reach impose a condition when, host computer send feeding instruction, master controller receive feeding instruction
Afterwards, weight is withdrawn into top by output signal, control hydraulic cylinder.
The utility model is sealed using epoxy resin, adapts to the adverse circumstances of the high dust high-temperature of production scene.System
Chain control can be carried out by three kinds of interface modes such as Ethernet, Modbus and terminal connection and host computer by uniting, and system interface
The variation of mode, the condition of providing convenience is further expanded for control system.
Brief description of the drawings
Fig. 1 is system architecture diagram of the present utility model.
Fig. 2 is the circuit structure block diagram of level-sensing device controller.
Fig. 3 is the circuit theory diagrams of the single chip circuit in central processing unit.
Fig. 4 is the circuit theory diagrams of the clock source circuit in central processing unit.
Fig. 5 is the circuit theory diagrams of the on-off circuit in central processing unit.
Fig. 6 is the circuit theory diagrams of the rectification filtering voltage stabilizing circuit in central processing unit.
Fig. 7 is the circuit theory diagrams of the current-limiting circuit in central processing unit.
Fig. 8 is the circuit theory diagrams of the pull-up resistor circuit in central processing unit.
Fig. 9 is the circuit theory diagrams of level-sensing device position detection unit.
Figure 10 is the circuit theory diagrams of the RS232 serial interface switching circuits in communication processing unit.
Figure 11 is the circuit theory diagrams that RS232 in communication processing unit turns RS485 circuits.
Figure 12 is the circuit theory diagrams of the PORT COM terminal connections circuit in communication processing unit.
Figure 13 is the circuit theory diagrams of the setting of level-sensing device location parameter and the display circuit in display unit.
Figure 14 is the circuit theory diagrams of the setting of level-sensing device location parameter and the button inputting circuits in display unit.
Figure 15 is the digital input circuit schematic diagram in signal input-output unit.
Figure 16 is the digital quantity output circuit schematic diagram in signal input-output unit.
Figure 17 is the analogue quantity output circuit schematic diagram in signal input-output unit.
Embodiment
As shown in figure 1, the utility model includes level-sensing device 1, photoelectric encoder 2, hydraulic cylinder 3 and level-sensing device controller 5.Material
Position meter 1 is connected by shaft coupling 4 with photoelectric encoder 2, and photoelectric encoder 2 is electrically connected with level-sensing device controller 5 by signal wire,
Hydraulic cylinder 3 connects with level-sensing device 1.Photoelectric encoder 2 is used for the down position for detecting weight in level-sensing device 1, and by weight position
Put detection signal and host computer 6 is passed to by level-sensing device controller 5.Level-sensing device controller 5 is used to receive the finger that host computer 6 is sent
Signal is made, when level-sensing device weight drops to setting height, instruction hydraulic cylinder 3 drives level-sensing device weight to rise reset.
As shown in Fig. 2 level-sensing device controller 5 includes：Level-sensing device position detection unit 51, central processing unit 52, mailing address
Manage unit 53, the setting of level-sensing device location parameter and display unit 54 and signal input-output unit 55.
Level-sensing device position detection unit 51 connects with central processing unit 52, for detecting the decline of the weight in level-sensing device 1
Position, and detection signal is sent to level-sensing device controller.Central processing unit 52 respectively with level-sensing device position detection unit 51, logical
News processing unit 53, the setting of level-sensing device location parameter and display unit 54 and signal input-output unit 55 connect, be used for into
The processing of row code device signal, the display of controlling level, the setting of parameter and preservation and the communication contact with host computer 6.Communication
Processing unit 53 connects with central processing unit 52, for establishing communication contact between central processing unit 52 and host computer 6, so as to
Weight position detection signal is received in host computer 6 and sends control instruction to level-sensing device controller.Level-sensing device location parameter is set
And display unit 54 connects with central processing unit 52, for the control parameter of level-sensing device controller to be set and adjusted.Letter
Number input-output unit 54 connects with central processing unit 52, for receiving data signal instruction, the control material position that host computer 6 transmits
Count weight the lifting of hammer and the level signals real-time Transmission of measurement to host computer 6.
Central processing unit 52 includes single chip circuit（Fig. 3）, clock source circuit（Fig. 4）, on-off circuit（Fig. 5）, rectification filter
Ripple mu balanced circuit（Fig. 6）, current-limiting circuit（Fig. 7）With pull-up resistor circuit（Fig. 8）Deng part.Central processing unit 52 is whole material position
Count the core of control system, the main processing being responsible for code device signal, the display of controlling level, with the communication of host computer and
Setting and preservation of parameter etc..
Level-sensing device position detection unit 51 includes incremental encoder and photoelectrical coupler.Incremental encoder is used for will material
The length signals of position meter is transformed into eight-digit binary number encoded signal, by being transferred to central processing unit after the isolation of photoelectrical coupler
52, central processing unit 52 is handled the data transmitted.
Communication processing unit 53 includes RS232 serial interface switching circuits（Figure 10）, RS232 turn RS485 circuits（Figure 11）With it is logical
Interrogate port terminal connection circuit（Figure 12）.Communication processing unit 53 establishes communication connection between central processing unit 52 and host computer 6
System, in order to which the material position that the level-sensing device at scene is measured is real-time transmitted to host computer, the real-time display of material position is carried out, meanwhile, connect
Receive the control instruction that host computer 6 is sent to level-sensing device controller.
Level-sensing device parameter setting and display unit 54 include one by four LED charactrons and MAX7219 chips（U2）Even
Connect the display circuit of composition（Figure 13）, and by four button-shaped buttons（PG0—PG3）The button inputting circuits of composition（Figure
14）.Four LED charactrons are used for the real-time display and display arrange parameter of material position, button-shaped button（PG0—PG3）For
Input arrange parameter.
Signal input-output unit 55 includes two-way digital input circuit, all the way digital quantity output circuit and simulated all the way
Measure output circuit.
Wherein, digital input circuit（Figure 15）It is by two photoelectrical couplers U15, U16 and corresponding four current limliting electricity
Hinder R2, R29, R30, R31 and form two-way digital input circuit, current-limiting resistance is used for the super-high-current for limiting input signal, protected
Protect photoelectrical coupler；Photoelectrical coupler is used to protect central processing unit and isolation interference signal.Digital input circuit is used to connect
The data signal that host computer 6 transmits is received, and realizes the switching of the manual/auto function of level-sensing device.
Digital quantity output circuit（Figure 16）It is to be made up of current-limiting resistance R35, photoelectrical coupler U17 and relay J7.Current limliting
Resistance R35 is used for protecting photoelectrical coupler U17, photoelectrical coupler U17 to play buffer action, after preventing the incoming high pressure of output circuit
Damage central processing unit.The effect of output loop is to require that the lifting to weight on level-sensing device is controlled according to control.
Analogue quantity output circuit（Figure 17）It is to be made up of D/A chips U5 and peripheral circuit, for the material for measuring level-sensing device
Position is real-time transmitted to host computer 6, to carry out the real-time display of material position.
The utility model, as level-sensing device controller 5, uses photoelectric encoder 2 as level-sensing device using the single-chip microcomputer of technical grade
Feedback signal, hydraulic cylinder 3 are executing agency.When charge level declines, weight dropper charge level indicator drives hydraulic cylinder 3 to move by deadweight, this
When photoelectric encoder 2 work together with level-sensing device 1, weight position signalling is sent to master controller, material position by photoelectric encoder 2
Meter controller 5 receives photoelectric encoder signal and is converted into analog signalses, is transmitted to host computer 6, host computer 6 is according to feedback signal
Be compared with setting height, when reach impose a condition when, host computer 6 sends feeding instruction, and level-sensing device controller 5 receives
After material instruction, the weight of level-sensing device 1 is moved to top and resetted by output signal, control hydraulic cylinder 3.
After feeding, start subsequent work circulation.
The utility model is according to the actual Level control situation in scene, by correcting button, with automatic suppressed zero and completely
Range function, trimming process are simple to operate, it is not necessary to manually carry out any data setting.
The utility model shows there is adjust automatically figure place showing and the work(of scaling position using 4 LED charactrons
Can, and turn off the function of showing charactron with delay, electricity consumption is saved, extends the service life of LED charactrons.
When weight is risen or fallen beyond full scale, system extends range section automatically according to field condition, and exports
Alarm signal, operating personnel can be determined according to site specific using new range or the range using original demarcation.
Claims (5)
1. a kind of weight dropper charge level indicator automatic control system, it is characterized in that, including level-sensing device, photoelectric encoder, hydraulic cylinder and material position
Count controller；The level-sensing device is connected by shaft coupling with the photoelectric encoder, the photoelectric encoder and the level-sensing device
Controller electrically connects, and the hydraulic cylinder connects with the level-sensing device；The photoelectric encoder is used to detect the weight in level-sensing device
Down position, and weight position detection signal is passed into host computer by the level-sensing device controller；The level-sensing device control
Device processed is used to receive the instruction that host computer is sent, and when level-sensing device weight drops to setting height, instructs the hydraulic cylinder to drive
Level-sensing device weight, which rises, to be resetted.
2. weight dropper charge level indicator automatic control system according to claim 1, it is characterized in that, the level-sensing device controller bag
Include：
Level-sensing device position detection unit, connects with central processing unit, for detecting the down position of the weight in level-sensing device, and will
Detection signal is sent to the level-sensing device controller；
Central processing unit, set and show with level-sensing device position detection unit, communication processing unit, level-sensing device location parameter respectively
Unit and signal input-output unit connect, for carrying out code device signal processing, the display of controlling level, the setting of parameter
Communication contact with preserving and with host computer；
Communication processing unit, connect with central processing unit, for establishing communication contact between central processing unit and host computer, with
It is easy to host computer to receive detection signal and send control instruction to level-sensing device controller；
Level-sensing device location parameter is set and display unit, connects with central processing unit, for the control ginseng to level-sensing device controller
Number is set and adjusted；And
Signal input-output unit, connects with central processing unit, for receiving data signal instruction, the control material that host computer transmits
The lifting of position weight calculation hammer and the level signals real-time Transmission of measurement to host computer.
3. weight dropper charge level indicator automatic control system according to claim 2, it is characterized in that, the level-sensing device position testing unit
Member includes incremental encoder and photoelectrical coupler；The incremental encoder is used to the length signals of level-sensing device being transformed into eight
Position binary coded signal, central processing unit is transferred to after the isolation by the photoelectrical coupler.
4. weight dropper charge level indicator automatic control system according to claim 2, it is characterized in that, the level-sensing device parameter setting and
Display unit includes four LED charactrons, MAX7219 chips and four button-shaped buttons；Four LED charactrons are used
In the real-time display and display arrange parameter of material position, the button-shaped button is used to input arrange parameter.
5. weight dropper charge level indicator automatic control system according to claim 2, it is characterized in that, the signal input-output unit
Including two-way digital input circuit, digital quantity output circuit and analogue quantity output circuit all the way all the way；The digital quantity input
Circuit receives the data signal that host computer transmits, and realizes the switching of the manual/auto function of level-sensing device；The digital output electricity
Road is used to require that the lifting to level-sensing device weight is controlled according to control；The analogue quantity output circuit is used to measure material position
The material position of amount is real-time transmitted to host computer, to carry out the real-time display of material position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721170603.1U CN207180812U (en) | 2017-09-13 | 2017-09-13 | Weight dropper charge level indicator automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721170603.1U CN207180812U (en) | 2017-09-13 | 2017-09-13 | Weight dropper charge level indicator automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207180812U true CN207180812U (en) | 2018-04-03 |
Family
ID=61746114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721170603.1U Active CN207180812U (en) | 2017-09-13 | 2017-09-13 | Weight dropper charge level indicator automatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207180812U (en) |
-
2017
- 2017-09-13 CN CN201721170603.1U patent/CN207180812U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220209 Address after: 050700 No. 15, West Xinwu East Road, Handai village, Handai Town, Xinle City, Shijiazhuang City, Hebei Province Patentee after: Li Yue Address before: 471800 Hetaoyuan village, Beiye Town, Xin'an County, Luoyang City, Henan Province Patentee before: LUOYANG JINENG NEW MATERIAL CO.,LTD. |