CN109343449A - A kind of coal preparation plant's sluice control system and method based on frequency hop spread spectrum - Google Patents
A kind of coal preparation plant's sluice control system and method based on frequency hop spread spectrum Download PDFInfo
- Publication number
- CN109343449A CN109343449A CN201811146310.9A CN201811146310A CN109343449A CN 109343449 A CN109343449 A CN 109343449A CN 201811146310 A CN201811146310 A CN 201811146310A CN 109343449 A CN109343449 A CN 109343449A
- Authority
- CN
- China
- Prior art keywords
- gate
- opening degree
- control system
- radio node
- hmi
- 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.)
- Pending
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- 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
- G05B2219/1161—Signal processing, detect or deliver analog signals
Abstract
The present invention relates to coal preparation plant's gate control technology fields, more particularly to a kind of coal preparation plant's sluice control system and method based on frequency hop spread spectrum, coal preparation plant's sluice control system includes: gate, the valve is equipped with valve switch, position of strobe detection device, setting corresponding with gate, and connect DX80 radio node module, for detecting the practical opening degree of gate, and it sends the practical opening degree analog signal of gate and gives transmission DX80 radio node module, motor, folding for regulating gate, and it is electrically connected the gate, DX80 radio node module, for receiving the practical opening degree analog signal of gate of position of strobe detection device transmission, and the practical opening degree analog signal of gate is sent to PLC analog quantity conversion module, and receive the motor rotation control simulation of PLC analog quantity conversion module transmission Signal.By wireless spread spectrum frequency hopping, reduce the laying amount of coal preparation plant's gate wiring, flashboard aperture can be automatically adjusted according to the actual condition of production.
Description
Technical field
The present invention relates to coal preparation plant's gate control technology field more particularly to a kind of coal preparation plants based on frequency hop spread spectrum
Sluice control system and method.
Background technique
Coal washing is an indispensable process of coal deep processing, and coal washing is exactly to reject the impurity in raw coal, or incite somebody to action
Fat coal and low-grade coal carry out a kind of disaggregatedly industrial handicraft.
During coal washing, gate is often used, and existing coal preparation plant's gate mainly passes through with centralized-control center
A variety of cables be transmission medium, although having many advantages, such as that stability is strong, speed is fast, highly-safe, there is wiring complexity,
Construction is not easy, higher cost, safeguards that inconvenient, equipment is difficult to the defects of extending.
It reaches position in addition, existing coal preparation plant's gate only has or closes two states in place, product quality cannot achieve
Control very well, when needing to change control mode, needs special messenger to be manually operated.
Summary of the invention
In consideration of it, the present invention proposes a kind of coal preparation plant's sluice control system and method based on frequency hop spread spectrum, pass through
Wireless spread spectrum frequency hopping solves existing coal preparation plant's gate wiring complexity, can not be adjusted automatically according to the actual condition of production
The problem of saving flashboard aperture.
In order to achieve the above object, technical scheme is as follows:
A kind of coal preparation plant's sluice control system based on frequency hop spread spectrum, comprising:
Gate, the valve are equipped with knife switch；
Position of strobe detection device, setting corresponding with gate, and DX80 radio node module is connected, for detecting gate
Practical opening degree, and send the practical opening degree analog signal of gate and give transmission DX80 radio node module；
Motor for the folding of regulating gate, and is electrically connected the gate；
DX80 radio node module, the practical opening degree simulation letter of gate for receiving the transmission of position of strobe detection device
Number, and the practical opening degree analog signal of gate is sent to PLC analog quantity conversion module, and receive PLC analog quantity conversion module
The motor rotation control analog signal of transmission, and motor control analog signal is sent to motor；
PLC analog quantity conversion module connects DX80 radio node module and HMI centralized control system, is used for gate
Practical opening degree analog signal is converted into the practical opening degree digital signal of gate and is sent to HMI centralized control system, while can connect
The motor rotation control digital signal that HMI centralized control system is sent is received, and motor is rotated into control digital signal and is converted into electricity
DX80 radio node module is given in machine rotation control analog signal, output；
HMI centralized control system, including the collection control interface HMI, connect PLC analog quantity conversion module, in Ji Kong HMI circle
Face sets gatage pre-set parameter, and controls the practical opening degree of HMI interface display gate in collection.
Preferably, the position of strobe detection device is LTF laser range sensor.
Preferably, the DX80 radio node module includes transmitter, receiver, the transmitter includes DX80 wireless
Node transmitter 1, DX80 radio network gateway transmitter 2, the receiver include that DX80 radio network gateway receiver 1, DX80 are wirelessly saved
Point receiver 2.
Preferably, the DX80 radio node transmitter 1 connects position of strobe detection device, the DX80 radio network gateway
Receiver 1, DX80 radio network gateway transmitter 2 are separately connected PLC analog quantity conversion module, the DX80 radio node receiver 2
Connect motor.
Preferably, the DX80 radio node transmitter 1 passes through wireless signal phase with DX80 radio network gateway receiver 1
Even, DX80 radio network gateway transmitter 2 is connected with DX80 radio node receiver 2 by wireless signal.
Coal preparation plant's gate control method based on frequency hop spread spectrum that the present invention also provides a kind of, comprising:
In the collection control HMI interface setting aperture parameter preset setting value of HMI centralized control system；
Start valve switch；
HMI centralized control system sends motor rotation control digital signal and gives PLC analog quantity conversion module, is simulated by PLC
Motor is rotated control digital signal and is converted into motor rotation control analog signal by amount conversion module, and motor is rotated control mould
Quasi- signal is sent to DX80 radio network gateway transmitter 2；
Motor is rotated into control analog signal by DX80 radio network gateway transmitter 2 and is sent to DX80 radio node receiver
2, DX80 radio node receivers 2 control motor after receiving motor rotation control analog signal starts turning；
When gatage reaches parameter preset setting value, motor automatic stop；
Preferably, the practical opening degree of gate is fed back to HMI collection by position of strobe detection device when motor automatic stop
The practical opening degree of gate is shown to the collection control interface HMI by middle control system, HMI centralized control system.
Preferably, the practical opening degree of gate is fed back to HMI centralized control system by the position of strobe detection device
Include:
By the opening degree of position of strobe detection device detection gate, and sends the practical opening degree analog signal of gate and send
To DX80 radio node transmitter 1；
The practical opening degree analog signal of gate DX80 radio network gateway is sent to by DX80 radio node transmitter 1 to receive
Device 1；
The practical opening degree analog signal of gate is sent to PLC analog quantity modulus of conversion by DX80 radio network gateway receiver 1
Block；
The practical opening degree number of gate is converted by the practical opening degree analog signal of gate by PLC analog quantity conversion module
Signal is sent to HMI centralized control system.
Beneficial effects of the present invention:
1. reducing the laying amount of coal preparation plant's gate wiring, applying when reducing transformation by wireless spread spectrum frequency hopping
Work difficulty, improves installation effectiveness；
2. flashboard aperture can be automatically adjusted according to the actual condition of production, product quality is improved, post personnel is reduced,
The process of production has been turned up；
3. realizing the gate closed-loop control system of a set of completion with current HMI centralized control system complete fusion.
Detailed description of the invention
Fig. 1 is coal preparation plant's sluice control system connection relationship diagram；
Fig. 2 is coal preparation plant's gate opening work flow diagram；
Fig. 3 is the work flow diagram of coal preparation plant's sluice control system when motor stops；
Fig. 4 is the specific workflow figure of the practical opening degree of position of strobe detection device feedback gate；
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Illustrate exemplary embodiment of the present invention below in conjunction with concrete condition:
Specific embodiment 1: as shown in Figure 1, a kind of coal preparation plant's sluice control system based on frequency hop spread spectrum, packet
It includes:
Gate, valve are equipped with knife switch.
Position of strobe detection device, setting corresponding with gate, and DX80 radio node module is connected, for detecting gate
Practical opening degree, and send the practical opening degree analog signal of gate and give transmission DX80 radio node module, in the present embodiment, lock
Door position detecting device is LTF laser range sensor.
Motor for the folding of regulating gate, and is electrically connected the gate.
DX80 radio node module, the practical opening degree simulation letter of gate for receiving the transmission of position of strobe detection device
Number, and the practical opening degree analog signal of gate is sent to PLC analog quantity conversion module, and receive PLC analog quantity conversion module
The motor rotation control analog signal of transmission, and motor control analog signal is sent to motor；
PLC analog quantity conversion module connects DX80 radio node module and HMI centralized control system, is used for gate
Practical opening degree analog signal is converted into the practical opening degree digital signal of gate and is sent to HMI centralized control system, while can connect
The motor rotation control digital signal that HMI centralized control system is sent is received, and motor is rotated into control digital signal and is converted into electricity
DX80 radio node module is given in machine rotation control analog signal, output；
HMI centralized control system, including the collection control interface HMI, connect PLC analog quantity conversion module, in Ji Kong HMI circle
Face sets gatage pre-set parameter, and controls the practical opening degree of HMI interface display gate in collection.
DX80 radio node module includes transmitter, receiver, and transmitter includes DX80 radio node transmitter 1, DX80
Radio network gateway transmitter 2, receiver include DX80 radio network gateway receiver 1, DX80 radio node receiver 2, and DX80 is wirelessly saved
Point transmitter 1 connects position of strobe detection device, and DX80 radio network gateway receiver 1, DX80 radio network gateway transmitter 2 are separately connected
PLC analog quantity conversion module, DX80 radio node receiver 2 connect motor, DX80 radio node transmitter 1 and DX80 wireless network
It closes receiver 1 to be connected by wireless signal, DX80 radio network gateway transmitter 2 and DX80 radio node receiver 2 pass through wireless communication
Number be connected.
In the present embodiment, DX80 radio network gateway receiver 1, DX80 radio network gateway transmitter 2 and PLC analog quantity modulus of conversion
Block is connected by RS485 communication cable, and PLC analog quantity conversion module connects HMI centralized control system by cable or optical cable,
LTF laser range sensor is connected by hardware lines with DX80 radio node transmitter 1.
Coal preparation plant's sluice control system uses wireless spread spectrum frequency hopping, solves scene and HMI centralized control system
Data exchange, the feedback of real-time starting, the adjustment of valve opening, valve state including valve site is wireless using DX80
Node module reduces the laying amount of coal preparation plant's gate wiring, difficulty of construction when transformation is reduced, not by the limit of field condition
System, improves installation effectiveness, realizes the requirement of industry 4.0 of field level, really realizes decentralised control, collection to the equipment of field level
Middle management.
The practical opening degree of gate is detected using position of strobe detection device, DX80 radio node module is connected, is concentrated by HMI
Control system controls motor operating by DX80 radio node module, and lock can be automatically adjusted according to the actual condition of production by realizing
Plate opening degree, improves product quality, reduces post personnel, and the process of production has been turned up.
This coal preparation plant sluice control system is realized and mesh by DX80 radio node module, PLC analog quantity conversion module
Preceding HMI centralized control system complete fusion, generates the gate closed-loop control system of a set of completion.The control of coal preparation plant's gate
Whole process uses closed-loop control, meets the control precision and response speed of technique requirement.
Specific embodiment 2: a kind of coal preparation plant's gate control method based on frequency hop spread spectrum, comprising:
As shown in Fig. 2, in the collection control HMI interface setting aperture parameter preset setting value of HMI centralized control system；
Start valve switch；
HMI centralized control system sends motor rotation control digital signal and gives PLC analog quantity conversion module, is simulated by PLC
Motor is rotated control digital signal and is converted into motor rotation control analog signal by amount conversion module, and motor is rotated control mould
Quasi- signal is sent to DX80 radio network gateway transmitter 2；
Motor is rotated into control analog signal by DX80 radio network gateway transmitter 2 and is sent to DX80 radio node receiver
2, DX80 radio node receivers 2 control motor after receiving motor rotation control analog signal starts turning；
When gatage reaches parameter preset setting value, motor automatic stop；
As shown in figure 3, the practical opening degree of gate is fed back to HMI by position of strobe detection device when motor automatic stop
The practical opening degree of gate is shown to the collection control interface HMI by centralized control system, HMI centralized control system.
It is specifically wrapped as shown in figure 4, the practical opening degree of gate is fed back to HMI centralized control system by position of strobe detection device
It includes:
By the opening degree of position of strobe detection device detection gate, and sends the practical opening degree analog signal of gate and send
To DX80 radio node transmitter 1；
The practical opening degree analog signal of gate DX80 radio network gateway is sent to by DX80 radio node transmitter 1 to receive
Device 1；
The practical opening degree analog signal of gate is sent to PLC analog quantity modulus of conversion by DX80 radio network gateway receiver 1
Block；
The practical opening degree number of gate is converted by the practical opening degree analog signal of gate by PLC analog quantity conversion module
Signal is sent to HMI centralized control system
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Specific embodiment provided by the present invention is described in detail above, specific case pair used herein
The principle of the present invention and embodiment are expounded, method of the invention that the above embodiments are only used to help understand
And its core concept；At the same time, for those skilled in the art, according to the thought of the present invention, in specific embodiment and
There will be changes in application range, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (8)
1. a kind of coal preparation plant's sluice control system based on frequency hop spread spectrum characterized by comprising
Gate, the valve are equipped with knife switch；
Position of strobe detection device, setting corresponding with gate, and DX80 radio node module is connected, for detecting gate reality
Opening degree, and send the practical opening degree analog signal of gate and give transmission DX80 radio node module；
Motor for the folding of regulating gate, and is electrically connected the gate；
DX80 radio node module, for receiving the practical opening degree analog signal of gate of position of strobe detection device transmission, and
The practical opening degree analog signal of gate is sent to PLC analog quantity conversion module, and receives the transmission of PLC analog quantity conversion module
Motor rotation control analog signal, and motor control analog signal is sent to motor；
PLC analog quantity conversion module connects DX80 radio node module and HMI centralized control system, for gate is practical
Opening degree analog signal is converted into the practical opening degree digital signal of gate and is sent to HMI centralized control system, while can receive HMI
The motor rotation control digital signal that centralized control system is sent, and motor is rotated into control digital signal and is converted into motor rotation
Analog signal is controlled, DX80 radio node module is given in output；
HMI centralized control system, including the collection control interface HMI, connect PLC analog quantity conversion module, for setting at the collection control interface HMI
Fixed strobe aperture pre-set parameter, and the practical opening degree of HMI interface display gate is controlled in collection.
2. a kind of coal preparation plant's sluice control system based on frequency hop spread spectrum according to claim 1, which is characterized in that
The position of strobe detection device is LTF laser range sensor.
3. a kind of coal preparation plant's sluice control system based on frequency hop spread spectrum according to claim 1, which is characterized in that
The DX80 radio node module includes transmitter, receiver, and the transmitter includes DX80 radio node transmitter 1, DX80
Radio network gateway transmitter 2, the receiver include DX80 radio network gateway receiver 1, DX80 radio node receiver 2.
4. a kind of coal preparation plant's sluice control system based on frequency hop spread spectrum according to claim 3, which is characterized in that
The DX80 radio node transmitter 1 connects position of strobe detection device, and the DX80 radio network gateway receiver 1, DX80 is wireless
Gateway transmitter 2 is separately connected PLC analog quantity conversion module, and the DX80 radio node receiver 2 connects motor.
5. a kind of coal preparation plant's sluice control system based on frequency hop spread spectrum according to claim 1-4,
Be characterized in that, the DX80 radio node transmitter 1 is connected with DX80 radio network gateway receiver 1 by wireless signal, DX80 without
Gauze closes transmitter 2 and is connected with DX80 radio node receiver 2 by wireless signal.
6. a kind of coal preparation plant's gate control method based on frequency hop spread spectrum characterized by comprising
In the collection control HMI interface setting aperture parameter preset setting value of HMI centralized control system；
Start valve switch；
HMI centralized control system sends motor rotation control digital signal and gives PLC analog quantity conversion module, is turned by PLC analog quantity
Motor is rotated control digital signal and is converted into motor rotation control analog signal by mold changing block, and motor is rotated control simulation letter
Number it is sent to DX80 radio network gateway transmitter 2；
Motor is rotated into control analog signal by DX80 radio network gateway transmitter 2 and is sent to DX80 radio node receiver 2,
The control motor after receiving motor rotation control analog signal of DX80 radio node receiver 2 starts turning；
When gatage reaches parameter preset setting value, motor automatic stop.
7. a kind of coal preparation plant's gate control method based on frequency hop spread spectrum according to claim 6, which is characterized in that
When motor automatic stop, the practical opening degree of gate is fed back to HMI centralized control system, HMI collection by position of strobe detection device
The practical opening degree of gate is shown to the collection control interface HMI by middle control system.
8. a kind of coal preparation plant's gate control method based on frequency hop spread spectrum according to claim 7, which is characterized in that
The practical opening degree of gate is fed back to HMI centralized control system by the position of strobe detection device
By the opening degree of position of strobe detection device detection gate, and sends the practical opening degree analog signal of gate and be sent to
DX80 radio node transmitter 1；
The practical opening degree analog signal of gate is sent to DX80 radio network gateway receiver 1 by DX80 radio node transmitter 1；
The practical opening degree analog signal of gate is sent to PLC analog quantity conversion module by DX80 radio network gateway receiver 1；
The practical opening degree digital signal of gate is converted by the practical opening degree analog signal of gate by PLC analog quantity conversion module
It is sent to HMI centralized control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146310.9A CN109343449A (en) | 2018-09-27 | 2018-09-27 | A kind of coal preparation plant's sluice control system and method based on frequency hop spread spectrum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811146310.9A CN109343449A (en) | 2018-09-27 | 2018-09-27 | A kind of coal preparation plant's sluice control system and method based on frequency hop spread spectrum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109343449A true CN109343449A (en) | 2019-02-15 |
Family
ID=65307370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811146310.9A Pending CN109343449A (en) | 2018-09-27 | 2018-09-27 | A kind of coal preparation plant's sluice control system and method based on frequency hop spread spectrum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109343449A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231947Y (en) * | 1995-07-20 | 1996-07-31 | 兖州矿务局鲍店煤矿 | Device for removing light and soft impurity from float coal products of coal washery |
| CN1817472A (en) * | 2006-03-28 | 2006-08-16 | 永城煤电(集团)有限责任公司 | Coal-washing process for realizing total washing, mixed washing and classifying washing |
| CN201522774U (en) * | 2009-11-17 | 2010-07-07 | 徐工集团工程机械有限公司 | Frequency hopping wireless remote control system of girdle transport vehicle |
| CN102176155A (en) * | 2011-03-21 | 2011-09-07 | 河海大学 | Programmable system as well as deployment and control methods based on industrial wireless frequency-hopping spectrum-spread |
| CN106392049A (en) * | 2016-06-12 | 2017-02-15 | 辽宁伊菲科技股份有限公司 | Wireless transmission pouring ladle used for aluminum alloy casting |
| CN207397055U (en) * | 2017-06-21 | 2018-05-22 | 肇庆市贺江电力发展有限公司 | Gate control system |
| CN207799443U (en) * | 2017-12-28 | 2018-08-31 | 河北渤海煤焦化有限公司 | Touch screen adds the coking of coal wet quenching tower control system that plc is controlled |
-
2018
- 2018-09-27 CN CN201811146310.9A patent/CN109343449A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2231947Y (en) * | 1995-07-20 | 1996-07-31 | 兖州矿务局鲍店煤矿 | Device for removing light and soft impurity from float coal products of coal washery |
| CN1817472A (en) * | 2006-03-28 | 2006-08-16 | 永城煤电(集团)有限责任公司 | Coal-washing process for realizing total washing, mixed washing and classifying washing |
| CN201522774U (en) * | 2009-11-17 | 2010-07-07 | 徐工集团工程机械有限公司 | Frequency hopping wireless remote control system of girdle transport vehicle |
| CN102176155A (en) * | 2011-03-21 | 2011-09-07 | 河海大学 | Programmable system as well as deployment and control methods based on industrial wireless frequency-hopping spectrum-spread |
| CN106392049A (en) * | 2016-06-12 | 2017-02-15 | 辽宁伊菲科技股份有限公司 | Wireless transmission pouring ladle used for aluminum alloy casting |
| CN207397055U (en) * | 2017-06-21 | 2018-05-22 | 肇庆市贺江电力发展有限公司 | Gate control system |
| CN207799443U (en) * | 2017-12-28 | 2018-08-31 | 河北渤海煤焦化有限公司 | Touch screen adds the coking of coal wet quenching tower control system that plc is controlled |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203894609U (en) | Wireless monitoring system used for power supply network | |
| CN204229213U (en) | A kind of multi-shaft interlocked servo-control system | |
| CN101478358A (en) | Method and device for optimized time synchronization correction | |
| CN201876869U (en) | Chip programming and testing equipment | |
| CN205336308U (en) | Be applied to intelligent gateway in digital workshop | |
| CN104503412A (en) | Coal preparation technique optimal control system and coal preparation technique optimal control method | |
| CN105573300B (en) | A kind of data acquisition dubbing system and its control method based on Internet of Things | |
| CN201156203Y (en) | Automatic control system for large thistle board production line | |
| CN109343449A (en) | A kind of coal preparation plant's sluice control system and method based on frequency hop spread spectrum | |
| CN102279607A (en) | Annealing furnace zone temperature control method | |
| CN108923444A (en) | A kind of hybrid control method and application adjusting power distribution station tri-phase unbalance factor | |
| CN205229701U (en) | Servo motor control system | |
| CN106209965A (en) | A kind of equipment connection machine management system | |
| CN204223722U (en) | The control system of a kind of multichain bar synchronized operation | |
| CN104896953B (en) | The control method of cement-kiln grate-cooler and system | |
| CN203982160U (en) | A kind of rubber weather strip production line control system | |
| CN102176147A (en) | Stage control system and method for digital multiplex (DMX) 512 intelligent distribution isolating amplifier | |
| CN102685963B (en) | Indoor illumination intensity control method and controller | |
| CN104181879A (en) | Control system of production equipment | |
| CN104391450B (en) | A kind of method of analog signal communication delay in Digital Simulation | |
| CN110456836B (en) | Remote control method and system for GBL type water immersion type scraper slag conveyor | |
| CN106647673A (en) | Gypsum board production line automatic edging control method | |
| CN203630949U (en) | Intelligent power distribution wireless collecting module based on ZIGBEE | |
| CN203250205U (en) | Manufacturing equipment acquisition interacted system | |
| CN206311927U (en) | A kind of communication management apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190215 |
|
| RJ01 | Rejection of invention patent application after publication |