CN206610158U - Mine belt conveyor energy-saving and frequency-variable on-line control system - Google Patents
Mine belt conveyor energy-saving and frequency-variable on-line control system Download PDFInfo
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- CN206610158U CN206610158U CN201720296355.9U CN201720296355U CN206610158U CN 206610158 U CN206610158 U CN 206610158U CN 201720296355 U CN201720296355 U CN 201720296355U CN 206610158 U CN206610158 U CN 206610158U
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Abstract
The utility model is related to mine belt conveyor energy-conserving control technology, specifically a kind of mine belt conveyor energy-saving and frequency-variable on-line control system.The utility model solves existing mine belt conveyor energy-conserving control technology data and calculates the problem of inaccurate, realtime control is poor, control accuracy is low.Mine belt conveyor energy-saving and frequency-variable on-line control system, including frequency converter, latch switch, transformer, Switching Power Supply, threephase current transformer, three phase electrical parameters collector, stream sensor, server, display screen, programmable controller, Internet, client；Wherein, latch switch is serially connected with the three-phase input end of frequency converter；Two inputs of transformer are connected with the wherein two-phase input of frequency converter respectively；Two inputs of Switching Power Supply are connected with two output ends of transformer respectively；Threephase current transformer is sheathed on the three-phase input end of frequency converter.The utility model is applied to mine belt conveyor.
Description
Technical field
The utility model is related to mine belt conveyor energy-conserving control technology, and specifically a kind of mine belt conveyor energy-saving and frequency-variable is online
Control system.
Background technology
Underground coal mine raw coal transportation is transported using belt feeder mostly.According to statistics, the operational efficiency of current mine belt conveyor
Only 40% or so.Therefore in order to improve the operational efficiency of mine belt conveyor, it is necessary to Energy Saving Control is carried out to mine belt conveyor.
Under prior art conditions, mine belt conveyor energy-conserving control technology mainly includes the following two kinds：The first control technology is by machine
The belt feeder loading condition that tail staff will be observed that makes a phone call to inform head driver, then artificially adjusts skin by head driver
The speed of service with machine, thus reaches the purpose of Energy Saving Control.The problem of such a control technology is present is that realtime control is poor, controlled
Accuracy processed is low.Second of control technology is to first pass through offline mode to calculate amount of electricity saving of the mine belt conveyor in a cycle
Data, then artificially adjust the speed of service of mine belt conveyor according to amount of electricity saving data, thus reach the purpose of Energy Saving Control.This
The problem of kind of control technology is present is that data calculate that inaccurate, realtime control is poor, control accuracy is low.Based on this, it is necessary to
A kind of brand-new mine belt conveyor energy-saving control system is invented, to solve the upper of existing mine belt conveyor energy-conserving control technology presence
State problem.
The content of the invention
The utility model calculates inaccurate, realtime control to solve existing mine belt conveyor energy-conserving control technology data
Difference, there is provided a kind of mine belt conveyor energy-saving and frequency-variable on-line control system the problem of control accuracy is low.
The utility model adopts the following technical scheme that realization：
Mine belt conveyor energy-saving and frequency-variable on-line control system, including frequency converter, latch switch, transformer, Switching Power Supply, three
Phase current mutual inductor, three phase electrical parameters collector, stream sensor, server, display screen, programmable controller, Internet
Net, client；
Wherein, latch switch is serially connected with the three-phase input end of frequency converter；Two inputs of transformer respectively with frequency converter
Wherein two-phase input connection；Two inputs of Switching Power Supply are connected with two output ends of transformer respectively；Three-phase electricity
Current transformer is sheathed on the three-phase input end of frequency converter；
Two power ends of three phase electrical parameters collector are connected with two output ends of Switching Power Supply respectively；Three phase electrical parameters
The three-phase current signal input of collector and the three-phase output end of threephase current transformer are connected；Three phase electrical parameters collector
The three-phase input end connection of three-phase voltage signal input and frequency converter；
The signal input part of programmable controller three-phase current signal output end respectively with three phase electrical parameters collector, three
The signal output part connection of two voltage signal output ends, stream sensor of phase electrical parameter collector；Programmable controller
Signal input part, the signal input part of server, the signal input part of display screen of signal output part respectively with frequency converter are connected；
The signal input part of client is connected by the signal output part of Internet and server.
During work, the three-phase input end of frequency converter is connected by latch switch with three-phase alternating-current supply, the three-phase of frequency converter
The motor connection of output end and mine belt conveyor, stream sensor is installed on before the coal dropping point of mine belt conveyor.Specific works mistake
Journey is as follows：Three phase electrical parameters collector is believed by the three-phase current of threephase current transformer online acquisition frequency converter three-phase input end
Number, and the three-phase current signal collected is amplified rear online transmission to programmable controller.Three phase electrical parameters collector
The three-phase voltage signal of online acquisition frequency converter three-phase input end, and the three-phase voltage signal collected is converted into DC voltage
It is online after signal to send to programmable controller.The load data of stream sensor online acquisition mine belt conveyor, and will collection
The load data arrived is sent to programmable controller online.Programmable controller is according to the three-phase current signal and direct current received
Voltage signal online calculates the power consumption data of mine belt conveyor, and the power consumption data calculated is sent to service online
Device and display screen.Server sends the power consumption data received to client by Internet online.Display screen pair
The power consumption data received carries out Real time displaying.Client carries out online record and display to the power consumption data received.
At the same time, programmable controller becomes according to the load data received, three-phase current signal, d. c. voltage signal on-line control
The speed of service of the output frequency of frequency device, thus on-line control mine belt conveyor, so as to reach the purpose of online Energy Saving Control.
During this, three-phase alternating-current supply passes sequentially through transformer, Switching Power Supply and is depressured, is three phase electrical parameters collector after rectification
Power supply, thereby guarantees that three phase electrical parameters collector normal work.Based on said process, with existing mine belt conveyor Energy Saving Control skill
Art is compared, and mine belt conveyor energy-saving and frequency-variable on-line control system described in the utility model is realized by using brand new
Online Energy Saving Control is carried out to mine belt conveyor according to load change, thus possesses following advantage：First, with the first control skill
Art is compared, and realtime control of the present utility model is stronger, control accuracy is higher.2nd, compared with second of control technology, this reality
Calculate that more accurate, realtime control is stronger, control accuracy is higher with new data.
The utility model efficiently solves existing mine belt conveyor energy-conserving control technology data and calculates inaccurate, control in real time
The problem of property is poor, control accuracy is low, it is adaptable to mine belt conveyor.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the circuit theory diagrams of three phase electrical parameters collector in the utility model.
Embodiment
Mine belt conveyor energy-saving and frequency-variable on-line control system, including frequency converter, latch switch, transformer, Switching Power Supply, three
Phase current mutual inductor, three phase electrical parameters collector, stream sensor, server, display screen, programmable controller, Internet
Net, client；
Wherein, latch switch is serially connected with the three-phase input end of frequency converter；Two inputs of transformer respectively with frequency converter
Wherein two-phase input connection；Two inputs of Switching Power Supply are connected with two output ends of transformer respectively；Three-phase electricity
Current transformer is sheathed on the three-phase input end of frequency converter；
Two power ends of three phase electrical parameters collector are connected with two output ends of Switching Power Supply respectively；Three phase electrical parameters
The three-phase current signal input of collector and the three-phase output end of threephase current transformer are connected；Three phase electrical parameters collector
The three-phase input end connection of three-phase voltage signal input and frequency converter；
The signal input part of programmable controller three-phase current signal output end respectively with three phase electrical parameters collector, three
The signal output part connection of two voltage signal output ends, stream sensor of phase electrical parameter collector；Programmable controller
Signal input part, the signal input part of server, the signal input part of display screen of signal output part respectively with frequency converter are connected；
The signal input part of client is connected by the signal output part of Internet and server.
The three phase electrical parameters collector includes current acquisition module and voltage acquisition module；
The current acquisition module includes the first to the 7th amplifier U1 ~ U7；
On the one hand first amplifier U1 positive input terminal passes through the 5th resistance R5 and three phase electrical parameters collector the first phase electricity
Signal input part IA connections are flowed, are on the other hand grounded by the 3rd electric capacity C3；On the one hand first amplifier U1 negative input end passes through
21st resistance R21 is connected with the first amplifier U1 output end, is on the other hand grounded by the 27th resistance R27；Second
On the one hand amplifier U2 positive input terminal is connected by the 4th resistance R4 with the first amplifier U1 output end, on the other hand passes through the tenth
Two resistance R12 are grounded；Second amplifier U2 negative input end is connected by the 22nd resistance R22 and the second amplifier U2 output end
Connect；Second amplifier U2 output end passes through the 9th resistance R9 and the first phase current signal output end Ia of three phase electrical parameters collector
Connection；On the one hand 3rd amplifier U3 positive input terminal passes through the 11st resistance R11 and the two phase electricity of three phase electrical parameters collector
Signal input part IB connections are flowed, are on the other hand grounded by the 6th electric capacity C6；On the one hand 3rd amplifier U3 negative input end passes through
23rd resistance R23 is connected with the 3rd amplifier U3 output end, is on the other hand grounded by the 28th resistance R28；4th
On the one hand amplifier U4 positive input terminal is connected by the tenth resistance R10 with the 3rd amplifier U3 output end, on the other hand by the
Six resistance R6 are grounded；Four high guaily unit U4 negative input end is connected by the 24th resistance R24 with four high guaily unit U4 output end；
Four high guaily unit U4 output end is connected by the second phase current signal output end Ib of 3rd resistor R3 and three phase electrical parameters collector
Connect；On the one hand 5th amplifier U5 positive input terminal passes through the 17th resistance R17 and the third phase electric current of three phase electrical parameters collector
Signal input part IC connections, are on the other hand grounded by the 9th electric capacity C9；5th amplifier U5 negative input end is on the one hand by the
25 resistance R25 are connected with the 5th amplifier U5 output end, are on the other hand grounded by the 29th resistance R29；6th fortune
On the one hand the positive input terminal for putting U6 is connected by the 16th resistance R16 with the 5th amplifier U5 output end, on the other hand by the
18 resistance R18 are grounded；6th amplifier U6 negative input end is connected by the 26th resistance R26 and the 6th amplifier U6 output end
Connect；6th amplifier U6 output end is exported by the third phase current signal of the 15th resistance R15 and three phase electrical parameters collector
Hold Ic connections；On the one hand 7th amplifier U7 positive input terminal passes through the 19th resistance R19 and the positive electricity of three phase electrical parameters collector
Source is connected, and is on the other hand grounded by the 20th resistance R20；The output of 7th amplifier U7 negative input end and the 7th amplifier U7
End connection；On the one hand 7th amplifier U7 output end is believed by the first phase current of first resistor R1 and three phase electrical parameters collector
Number input IA connections, on the other hand pass through the 7th resistance R7 and three phase electrical parameters collector the second phase current signal input
IB connections, the third aspect is connected by the third phase current signal input IC of the 13rd resistance R13 and three phase electrical parameters collector
Connect；
The voltage acquisition module include be made up of the 5th to the 8th diode D5 ~ D8 the first rectifier bridge, by the 9th to
The second rectifier bridge, the 8th to the 11st amplifier U8 ~ U11 of 12nd diode D9 ~ D12 compositions；
One input of the first rectifier bridge passes sequentially through the 34th resistance R34, the 33rd resistance R33, the 30th
Two resistance R32, the 31st resistance R31, the first phase voltage signal of the 30th resistance R30 and three phase electrical parameters collector are inputted
Hold L1 connections, another input pass sequentially through the 39th resistance R39, the 38th resistance R38, the 37th resistance R37,
Second phase voltage signal input L2 of the 36th resistance R36, the 35th resistance R35 and three phase electrical parameters collector connects
Connect；One input of the second rectifier bridge passes sequentially through the 44th resistance R44, the 43rd resistance R43, the 42nd resistance
R42, the 41st resistance R41, the second phase voltage signal input L2 of the 40th resistance R40 and three phase electrical parameters collector connect
Connect, another input passes sequentially through the 49th resistance R49, the 48th resistance R48, the 47th resistance R47, the 40th
Six resistance R46, the 45th resistance R45 are connected with the third phase voltage signal inputs L3 of three phase electrical parameters collector；8th
Amplifier U8 positive input terminal is connected with the positive output end of the first rectifier bridge；8th amplifier U8 negative input end is on the one hand whole with first
The negative output terminal connection of bridge is flowed, is on the other hand connected by the 61st resistance R61 with the 8th amplifier U8 output end, third party
Face is connected by the 13rd electric capacity C13 with the 8th amplifier U8 output end；9th amplifier U9 positive input terminal passes through the 54th
Resistance R54 is connected with the 8th amplifier U8 output end；On the one hand 9th amplifier U9 negative input end passes through the 57th resistance R57
It is connected, is on the other hand grounded by the 53rd resistance R53 with the 9th amplifier U9 output end；9th amplifier U9 output end with
The d shaft voltage signals output end VD+ connections of three phase electrical parameters collector；Tenth amplifier U10 positive input terminal and the second rectifier bridge
Positive output end connection；On the one hand tenth amplifier U10 negative input end is connected with the negative output terminal of the second rectifier bridge, on the other hand
The 59th resistance R59, the 58th resistance R58 is passed sequentially through to be connected with the 8th amplifier U8 positive input terminal, the third aspect according to
It is secondary to be connected by the 59th resistance R59, the 12nd electric capacity C12 with the 8th amplifier U8 positive input terminal；11st amplifier U11's
On the one hand positive input terminal is connected with the tenth amplifier U10 output end, on the other hand passes through the 56th resistance R56 and the 9th amplifier
U9 positive input terminal connection；On the one hand 11st amplifier U11 negative input end passes through the 62nd resistance R62 and the 11st amplifier
U11 output end connection, on the other hand passes sequentially through the 50th resistance R50, the 63rd resistance R63 ground connection；11st amplifier
U11 output end is connected with the q shaft voltage signals output ends VQ+ of three phase electrical parameters collector.
During work, the first to the 6th amplifier U1 ~ U6 effect is that the three-phase current signal collected is amplified.7th
Amplifier U7 effect is to increase bias voltage for threephase current transformer.The effect of first rectifier bridge and the second rectifier bridge is to adopt
The three-phase voltage signal collected is converted to d. c. voltage signal.8th to the 11st amplifier U8 ~ U11 effect is to DC voltage
Signal is amplified.
Claims (2)
1. a kind of mine belt conveyor energy-saving and frequency-variable on-line control system, it is characterised in that：Including frequency converter, latch switch, transformation
Device, Switching Power Supply, threephase current transformer, three phase electrical parameters collector, stream sensor, server, display screen, programmable control
Device processed, Internet, client；
Wherein, latch switch is serially connected with the three-phase input end of frequency converter；Two inputs of transformer respectively with frequency converter its
Middle two-phase input connection；Two inputs of Switching Power Supply are connected with two output ends of transformer respectively；Three-phase current is mutual
Sensor is sheathed on the three-phase input end of frequency converter；
Two power ends of three phase electrical parameters collector are connected with two output ends of Switching Power Supply respectively；Three phase electrical parameters are gathered
The three-phase current signal input of device and the three-phase output end of threephase current transformer are connected；The three-phase of three phase electrical parameters collector
The three-phase input end connection of voltage signal inputs and frequency converter；
Three-phase current signal output end, the three-phase electricity of the signal input part of programmable controller respectively with three phase electrical parameters collector
The signal output part connection of two voltage signal output ends, stream sensor of parameter acquisition unit；The signal of programmable controller
Signal input part, the signal input part of server, the signal input part of display screen of output end respectively with frequency converter are connected；
The signal input part of client is connected by the signal output part of Internet and server.
2. mine belt conveyor energy-saving and frequency-variable on-line control system according to claim 1, it is characterised in that：The three-phase electricity
Parameter acquisition unit includes current acquisition module and voltage acquisition module；
The current acquisition module includes the first to the 7th amplifier（U1~U7）；
First amplifier（U1）Positive input terminal on the one hand pass through the 5th resistance（R5）It is mutually electric with the first of three phase electrical parameters collector
Flow signal input part（IA）Connection, on the other hand passes through the 3rd electric capacity（C3）Ground connection；First amplifier（U1）The side of negative input end one
Face passes through the 21st resistance（R21）With the first amplifier（U1）Output end connection, on the other hand pass through the 27th resistance
（R27）Ground connection；Second amplifier（U2）Positive input terminal on the one hand pass through the 4th resistance（R4）With the first amplifier（U1）Output end
Connection, on the other hand passes through the 12nd resistance（R12）Ground connection；Second amplifier（U2）Negative input end pass through the 22nd resistance
（R22）With the second amplifier（U2）Output end connection；Second amplifier（U2）Output end pass through the 9th resistance（R9）With three-phase electricity
First phase current signal output end of parameter acquisition unit（Ia）Connection；3rd amplifier（U3）Positive input terminal on the one hand pass through the tenth
One resistance（R11）With the second phase current signal input of three phase electrical parameters collector（IB）Connection, on the other hand passes through the 6th
Electric capacity（C6）Ground connection；3rd amplifier（U3）Negative input end on the one hand pass through the 23rd resistance（R23）With the 3rd amplifier（U3）
Output end connection, on the other hand pass through the 28th resistance（R28）Ground connection；Four high guaily unit（U4）Positive input terminal it is on the one hand logical
Cross the tenth resistance（R10）With the 3rd amplifier（U3）Output end connection, on the other hand pass through the 6th resistance（R6）Ground connection；4th fortune
Put（U4）Negative input end pass through the 24th resistance（R24）With four high guaily unit（U4）Output end connection；Four high guaily unit（U4）
Output end pass through 3rd resistor（R3）With the second phase current signal output end of three phase electrical parameters collector（Ib）Connection；5th
Amplifier（U5）Positive input terminal on the one hand pass through the 17th resistance（R17）With the third phase current signal of three phase electrical parameters collector
Input（IC）Connection, on the other hand passes through the 9th electric capacity（C9）Ground connection；5th amplifier（U5）Negative input end on the one hand pass through
25th resistance（R25）With the 5th amplifier（U5）Output end connection, on the other hand pass through the 29th resistance（R29）Connect
Ground；6th amplifier（U6）Positive input terminal on the one hand pass through the 16th resistance（R16）With the 5th amplifier（U5）Output end connection,
On the other hand the 18th resistance is passed through（R18）Ground connection；6th amplifier（U6）Negative input end pass through the 26th resistance（R26）With
6th amplifier（U6）Output end connection；6th amplifier（U6）Output end pass through the 15th resistance（R15）With three phase electrical parameters
The third phase current signal output end of collector（Ic）Connection；7th amplifier（U7）Positive input terminal on the one hand pass through the 19th electricity
Resistance（R19）It is connected with the positive power source terminal of three phase electrical parameters collector, on the other hand passes through the 20th resistance（R20）Ground connection；7th
Amplifier（U7）Negative input end and the 7th amplifier（U7）Output end connection；7th amplifier（U7）Output end on the one hand by the
One resistance（R1）With the first phase current signal input of three phase electrical parameters collector（IA）Connection, on the other hand passes through the 7th electricity
Resistance（R7）With the second phase current signal input of three phase electrical parameters collector（IB）Connection, the third aspect passes through the 13rd resistance
（R13）With the third phase current signal input of three phase electrical parameters collector（IC）Connection；
The voltage acquisition module is included by the 5th to the 8th diode（D5~D8）First rectifier bridge of composition, by the 9th to the
12 diodes（D9~D12）Second rectifier bridge of composition, the 8th to the 11st amplifier（U8~U11）；
One input of the first rectifier bridge passes sequentially through the 34th resistance（R34）, the 33rd resistance（R33）, the 30th
Two resistance（R32）, the 31st resistance（R31）, the 30th resistance（R30）Believe with the first phase voltage of three phase electrical parameters collector
Number input（L1）Connection, another input passes sequentially through the 39th resistance（R39）, the 38th resistance（R38）, the 3rd
17 resistance（R37）, the 36th resistance（R36）, the 35th resistance（R35）With the two phase electricity of three phase electrical parameters collector
Press signal input part（L2）Connection；One input of the second rectifier bridge passes sequentially through the 44th resistance（R44）, the 43rd
Resistance（R43）, the 42nd resistance（R42）, the 41st resistance（R41）, the 40th resistance（R40）Gathered with three phase electrical parameters
Second phase voltage signal input of device（L2）Connection, another input passes sequentially through the 49th resistance（R49）, the 40th
Eight resistance（R48）, the 47th resistance（R47）, the 46th resistance（R46）, the 45th resistance（R45）With three phase electrical parameters
The third phase voltage signal inputs of collector（L3）Connection；8th amplifier（U8）Positive input terminal and the first rectifier bridge it is just defeated
Go out end connection；8th amplifier（U8）Negative input end on the one hand be connected with the negative output terminal of the first rectifier bridge, on the other hand pass through
61st resistance（R61）With the 8th amplifier（U8）Output end connection, the third aspect passes through the 13rd electric capacity（C13）With the 8th
Amplifier（U8）Output end connection；9th amplifier（U9）Positive input terminal pass through the 54th resistance（R54）With the 8th amplifier
（U8）Output end connection；9th amplifier（U9）Negative input end on the one hand pass through the 57th resistance（R57）With the 9th amplifier
（U9）Output end connection, on the other hand pass through the 53rd resistance（R53）Ground connection；9th amplifier（U9）Output end and three-phase
The d shaft voltage signals output ends of electrical parameter collector（VD+）Connection；Tenth amplifier（U10）Positive input terminal and the second rectifier bridge
Positive output end connection；Tenth amplifier（U10）Negative input end on the one hand be connected with the negative output terminal of the second rectifier bridge, the opposing party
Face passes sequentially through the 59th resistance（R59）, the 58th resistance（R58）With the 8th amplifier（U8）Positive input terminal connection, the
Three aspects pass sequentially through the 59th resistance（R59）, the 12nd electric capacity（C12）With the 8th amplifier（U8）Positive input terminal connection；
11st amplifier（U11）Positive input terminal on the one hand and the tenth amplifier（U10）Output end connection, on the other hand pass through the 50th
Six resistance（R56）With the 9th amplifier（U9）Positive input terminal connection；11st amplifier（U11）Negative input end on the one hand by the
62 resistance（R62）With the 11st amplifier（U11）Output end connection, on the other hand pass sequentially through the 50th resistance（R50）、
63rd resistance（R63）Ground connection；11st amplifier（U11）Output end and three phase electrical parameters collector q shaft voltage signals
Output end（VQ+）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296355.9U CN206610158U (en) | 2017-03-24 | 2017-03-24 | Mine belt conveyor energy-saving and frequency-variable on-line control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720296355.9U CN206610158U (en) | 2017-03-24 | 2017-03-24 | Mine belt conveyor energy-saving and frequency-variable on-line control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206610158U true CN206610158U (en) | 2017-11-03 |
Family
ID=60174752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720296355.9U Active CN206610158U (en) | 2017-03-24 | 2017-03-24 | Mine belt conveyor energy-saving and frequency-variable on-line control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206610158U (en) |
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2017
- 2017-03-24 CN CN201720296355.9U patent/CN206610158U/en active Active
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