CN106144489A - Colliery conveying energy conserving system - Google Patents
Colliery conveying energy conserving system Download PDFInfo
- Publication number
- CN106144489A CN106144489A CN201610058511.8A CN201610058511A CN106144489A CN 106144489 A CN106144489 A CN 106144489A CN 201610058511 A CN201610058511 A CN 201610058511A CN 106144489 A CN106144489 A CN 106144489A
- Authority
- CN
- China
- Prior art keywords
- energy
- auxiliary
- option
- motorized pulleys
- protector
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
Landscapes
- Control Of Conveyors (AREA)
Abstract
The present invention relates to technical field of coal mine equipment, be specifically related to a kind of induction system.Colliery conveying energy conserving system, including main motorized pulleys, main trigger, auxiliary motorized pulleys, auxiliary trigger, is respectively equipped with primary current sense device, auxiliary current sensor in main trigger, auxiliary trigger.Also including that two energy-saving protectors, an energy-saving protector connect the control end of main trigger, another energy-saving protector connects the control end of auxiliary trigger, and two energy-saving protector signals connect.The present invention is in coal production, it is achieved that when belt conveyor systems starts, and two-shipper starts, time steady, and unit operation, during heavy duty, duplex running, during underloading, the automatic switching function of unit operation.
Description
Technical field
The present invention relates to technical field of coal mine equipment, be specifically related to a kind of induction system.
Background technology
In the coal of China's coal-mine general consumption, electricity (diesel oil, gasoline), several energy of water, with coal, electricity it is
Main, account for the 24.75% and 73.37% of total energy respectively, and with power consumption for, account for total energy
73.37%.In the daily production process in colliery, in relatively large driven by power equipment, transportation system takies not
Few energy consumption.Owing to the bearing capacity of transportation system is big, compared with general conveying arrangement, coal production institute
Ribbon conveyer, not only need main motorized pulleys to drive the operation of conveyer belt, in addition it is also necessary to set up auxiliary
Motorized pulleys auxiliary drives.When colliery operation, it usually needs the auxiliary motorized pulleys of artificial switch, come real
The transport in existing colliery, manual operation is loaded down with trivial details.
Summary of the invention
It is an object of the invention to, it is provided that a kind of colliery conveying energy conserving system, solve above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
Colliery conveying energy conserving system, including ribbon conveyer main motorized pulleys, drive the electronic rolling of described master
The main trigger of cylinder, the auxiliary motorized pulleys of ribbon conveyer, drive the auxiliary trigger of described auxiliary motorized pulleys,
In described main trigger, it is provided with primary current sense device, in described auxiliary trigger, is provided with auxiliary current sensor；
Also include that two energy-saving protectors, a described energy-saving protector connect the control of described main trigger
End, another described energy-saving protector connects the control end of described auxiliary trigger, two described energy-saving protectives
Device signal connects；
Connect the energy-saving protector of described main trigger as main protection device, connect the joint of described auxiliary trigger
The signal input part of described main protection device can be connected by protector as auxiliary protector, described primary current sense device,
Described auxiliary current sensor connects the signal input part of described auxiliary protector, and described main protection device is set to joint
When can run, after detecting that the current value that described primary current sense device transmits is more than the starting current set,
Described main protection device sends to described auxiliary protector and starts energy-saving run order, and described auxiliary protector receives
After starting energy-saving run order, by controlling auxiliary trigger, described auxiliary motorized pulleys are driven to run；Described
Described main protection device detects that the current value that described primary current sense device transmits is less than the stopping electric current setting
After, described main protection device sends to described auxiliary protector and cuts out energy-saving run order, and described auxiliary protector connects
After receiving closedown energy-saving run order, by controlling auxiliary trigger, stop described auxiliary motorized pulleys.
The present invention is by setting up two energy-saving protectors, it is achieved that according to current value information, automatically control auxiliary
The startup of motorized pulleys or closedown, it may be assumed that after ribbon conveyer is properly functioning, turn off part auxiliary power,
Do not affect equipment properly functioning.The present invention is without manual observation, the auxiliary motorized pulleys of artificial switch.The present invention
The mode being automatically adjusted according to setup parameter, it is achieved that power saving function.
Described energy-saving protector includes control module, the communication module that is connected with described control module, display
Module, MIM message input module, described energy-saving protector is looked into by described display module and MIM message input module
See and parameter be set, communicated with other equipment by described communication module；
Described control module comprises power saving function module is set, select the operation of power saving function to open or close
Close, determine that described energy-saving protector is main protection device or auxiliary protector, subsidiary engine startup coefficient and closedown are set
Coefficient.Being arranged by power saving function after determining in module and setting relevant parameter, energy-saving protector can root
Carry out opening and closing the operation of subsidiary engine (auxiliary motorized pulleys) according to relevant parameter.
When described power saving function is opened, the described main motorized pulleys of control module record and auxiliary motorized pulleys
Closing time and electric degree, when described power saving function is closed, described control module preserve main motorized pulleys and
The operation cumulative time of auxiliary motorized pulleys, accumulative electric degree, energy-conservation initial time and energy-conservation knot speed time；
Described control module is additionally provided with cumulative information and resets option, and after selecting to reset, control module is removed and protected
The main motorized pulleys deposited and the operation cumulative information of auxiliary motorized pulleys, run cumulative information and include that operation is accumulative
Time, accumulative electric degree, energy-conservation initial time and energy-conservation knot speed time.
Described control module also comprises automatic comparing function and arranges module, and beating of comparative selection function opens or closes
Close, determine that the reduced time is N hour；
When described power saving function is opened, and when comparing function is opened automatically, described control module is the most all opened
Open main motorized pulleys and auxiliary motorized pulleys to run N hour, subsequently into energy-saving run N hour, energy-conservation fortune
After row terminates, time and the electric degree of twice operation are compared, calculates the total electric degree before and after energy-conservation unlatching
Comparing result also preserves.By above-mentioned way of contrast, user can get information about power saving function and open
The electricity consumption situation saved before and after opening.
When selecting comparing function to open, described control module is pointed out by display module, and prompting makes
User should comparison under load state same case.
Arranging in module in described power saving function, described subsidiary engine startup coefficient maximum arranges 100%.
Arranging in module at described automatic comparing function, described reduced time maximum arranges 720 hours.
Display picture in described display module includes engineer's menu screen, described engineer's menu screen
In containing conveyer power conservation option, for checking and arrange the parameter of described energy-saving protector；
The submenu of described conveyer power conservation option includes that power saving function setting options, cumulative information check choosing
Item, cumulative information reset option, automatic comparing function option and return previous menu option.
The submenu of described power saving function setting options includes that described power saving function is arranged in module and to set
The content put, return previous menu option.
Described cumulative information checks that the submenu of option includes the main motorized pulleys that described control module preserves
Operation cumulative information with auxiliary motorized pulleys.
After described cumulative information resets option selection, control module is removed and is run cumulative information.
The submenu of described automatic comparing function option includes that described automatic comparing function arranges institute in module
Content to be arranged, comparing result option last time, return previous menu option；
Described last time comparing result option submenu to include that power saving function enables the master of first N hour electronic
The operation time of cylinder and auxiliary motorized pulleys and electric degree, power saving function enable the main motorized pulleys of latter N hour
The total electric degree comparing result run before and after time and electric degree, energy-conservation unlatching with auxiliary motorized pulleys.
Beneficial effect: the present invention is in coal production, it is achieved that when belt conveyor systems starts, two-shipper
Start, time steady, unit operation, during heavy duty, duplex running, during underloading, automatically cutting of unit operation
Change function.
Accompanying drawing explanation
Fig. 1 is a kind of overall structure schematic diagram of the present invention；
Fig. 2 is engineer's menu screen；
Fig. 3 is the submenu of conveyer power conservation option；
Fig. 4 is the submenu of power saving function setting options；
Fig. 5 is the submenu that cumulative information checks option；
Fig. 6 is the submenu of automatic comparing function option；
Fig. 7 is the operation time before power saving function enables and electric degree；
Fig. 8 is the operation time after power saving function enables and electric degree；
Fig. 9 is the total electric degree comparing result before and after energy-conservation unlatching.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, the present invention is expanded on further below in conjunction with being specifically illustrating.
With reference to Fig. 1, colliery conveying energy conserving system, main motorized pulleys 1, driving including ribbon conveyer are main
The main trigger 3 of motorized pulleys 1, the auxiliary motorized pulleys 2 of ribbon conveyer, drive auxiliary motorized pulleys 2
Auxiliary trigger 4, main trigger 3, the switch internal of auxiliary trigger 4 be respectively equipped with primary current sense device,
Auxiliary current sensor.Also including two energy-saving protectors, energy-saving protector includes control module, with control
The communication module of module connection, display module, MIM message input module, energy-saving protector passes through display module
Check with MIM message input module and parameter be set, communicated with other equipment by described communication module.One
The control module of energy-saving protector connects the control end of main trigger 3, the control of another energy-saving protector
Module connects the control end of auxiliary trigger 4, and two energy-saving protectors are connected by communication module signal.Even
The energy-saving protector connecing main trigger 3 is made as main protection device 5, the energy-saving protector connecting auxiliary trigger 4
Being auxiliary protector 6, primary current sense device connects the signal input part of main protection device 5, and auxiliary current sensor is even
Connect the signal input part of auxiliary protector 6.When main protection device 5 is set to energy-saving run, principal current detected
After the current value that sensor transmits is more than the starting current set, main protection device 5 sends to auxiliary protector 6
Start energy-saving run order, after auxiliary protector 6 receives startup energy-saving run order, by controlling auxiliary opening
Dynamic device 4, drives auxiliary motorized pulleys 2 to run.Main protection device 5 detects the electric current that primary current sense device transmits
After value is less than the stopping electric current setting, main protection device 5 sends to auxiliary protector 6 and cuts out energy-saving run order,
After auxiliary protector 6 receives closedown energy-saving run order, by controlling auxiliary trigger 4, stop auxiliary electronic rolling
Cylinder 2.The present invention is by setting up two energy-saving protectors, it is achieved that according to current value information, automatically control auxiliary
The startup of motorized pulleys 2 or closedown, it may be assumed that after ribbon conveyer is properly functioning, turn off part auxiliary power,
Do not affect equipment properly functioning.The present invention is without manual observation, the auxiliary motorized pulleys 2 of artificial switch.The present invention
The mode being automatically adjusted according to setup parameter, it is achieved that power saving function.
When needing the parameter of energy-saving protector is checked and arranged, the present invention by display module and
The mode that MIM message input module combines, display module can use display screen, and MIM message input module is permissible
Use button group or touch screen.The control module of each energy-saving protector of the present invention comprises energy-conservation merit
Module can be set, select the operation of power saving function to be turned on and off, determine that energy-saving protector is main protection device 5
Or auxiliary protector 6, subsidiary engine startup coefficient is set and closes coefficient.Subsidiary engine startup coefficient maximum is arranged
100%.With reference to Fig. 2, the display picture in stating display module includes engineer's menu screen accordingly,
Containing conveyer power conservation option in engineer's menu screen, for checking and arranging described energy-saving protector
Parameter.With reference to Fig. 3, the submenu of conveyer power conservation option includes power saving function setting options, cumulative information
Check that option, cumulative information reset option, automatic comparing function option and return previous menu option.
With reference to Fig. 4, it is to be arranged that the submenu of power saving function setting options includes that power saving function is arranged in module
Content, return previous menu option.As shown in Figure 4, to arrange during power saving function arranges module
Content include function throw move back open or close option, major-minor setting selects main frame or subsidiary engine option, subsidiary engine
Startup coefficient option, subsidiary engine are closed coefficient option, are kept result option.By power saving function, module is set
In determine and set relevant parameter after, energy-saving protector can carry out opening and closing according to relevant parameter auxiliary
The operation of machine (auxiliary motorized pulleys 2).
When power saving function is opened, the main motorized pulleys of control module record 1 and the combined floodgate of auxiliary motorized pulleys 2
Time and electric degree, when power saving function is closed, control module preserves main motorized pulleys 1 and auxiliary motorized pulleys 2
Operation cumulative time, accumulative electric degree, energy-conservation initial time and energy-conservation knot speed time.With reference to Fig. 5, accumulative
The submenu of information inspection option includes main motorized pulleys 1 and the auxiliary motorized pulleys 2 that control module preserves
Operation cumulative information.Such as time, the electric degree of main frame operation, the time of subsidiary engine operation, electric degree, initiate
Time, the end time.
Control module is additionally provided with cumulative information and resets option, and after selecting to reset, control module removes preservation
Main motorized pulleys 1 and the operation cumulative information of auxiliary motorized pulleys 2, run cumulative information and include that operation is accumulative
Time, accumulative electric degree, energy-conservation initial time and energy-conservation knot speed time.After cumulative information resets option selection,
Control module is removed and is run cumulative information.
Control module also comprises automatic comparing function and arranges module, opening or closing of comparative selection function,
Determining that the reduced time is N hour, reduced time maximum arranges 720 hours.When power saving function is opened,
And when comparing function is opened automatically, control module the most all opens main motorized pulleys 1 and auxiliary motorized pulleys 2
Run N hour, subsequently into energy-saving run N hour, after energy-saving run terminates, by twice operation time
Between and electric degree compare, calculate the total electric degree comparing result before and after energy-conservation unlatching and preserve.Right when selecting
When opening than function, control module is pointed out by display module, and prompting user should be at load state
Comparison under same case.With reference to Fig. 6, the submenu of automatic comparing function option includes automatic comparing function
Content to be arranged in module, comparing result option last time are set, return previous menu option.As
Shown in Fig. 6, automatic comparing function menu include function throw move back open or close option, contrast time
Between set option, comparing result option last time, return on shield option.With reference to Fig. 7 to Fig. 9, last time contrasts
The submenu of result option includes that power saving function enables the main motorized pulleys 1 of first N hour and auxiliary electronic rolling
Operation time and electric degree, the power saving function of cylinder 2 enable the main motorized pulleys 1 of latter N hour and auxiliary electronic rolling
The total electric degree comparing result run before and after time and electric degree, energy-conservation unlatching of cylinder 2.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
The principle that the present invention is simply described described in book, without departing from the spirit and scope of the present invention,
The present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention model
In enclosing.Claimed scope is defined by appending claims and equivalent thereof.
Claims (10)
1. colliery conveying energy conserving system, including ribbon conveyer main motorized pulleys, drive described master electronic
The main trigger of cylinder, the auxiliary motorized pulleys of ribbon conveyer, drive the auxiliary startup of described auxiliary motorized pulleys
Device, is provided with primary current sense device in described main trigger, is provided with auxiliary current sense in described auxiliary trigger
Device, it is characterised in that also include that two energy-saving protectors, a described energy-saving protector connect described master
The control end of trigger, the control end of another described energy-saving protector described auxiliary trigger of connection, two
Described energy-saving protector signal connects；
Connect the energy-saving protector of described main trigger as main protection device, connect the joint of described auxiliary trigger
The signal input part of described main protection device can be connected by protector as auxiliary protector, described primary current sense device,
Described auxiliary current sensor connects the signal input part of described auxiliary protector, and described main protection device is set to joint
When can run, after detecting that the current value that described primary current sense device transmits is more than the starting current set,
Described main protection device sends to described auxiliary protector and starts energy-saving run order, and described auxiliary protector receives
After starting energy-saving run order, by controlling auxiliary trigger, described auxiliary motorized pulleys are driven to run；Described
Described main protection device detects that the current value that described primary current sense device transmits is less than the stopping electric current setting
After, described main protection device sends to described auxiliary protector and cuts out energy-saving run order, and described auxiliary protector connects
After receiving closedown energy-saving run order, by controlling auxiliary trigger, stop described auxiliary motorized pulleys.
Colliery the most according to claim 1 conveying energy conserving system, it is characterised in that described energy-conservation guarantor
Protect device and include control module, the input of the communication module that is connected with described control module, display module, information
Module, described energy-saving protector check by described display module and MIM message input module and arrange parameter,
Communicated with other equipment by described communication module；
Described control module comprises power saving function module is set, select the operation of power saving function to open or close
Close, determine that described energy-saving protector is main protection device or auxiliary protector, subsidiary engine startup coefficient and closedown are set
Coefficient.
Colliery the most according to claim 2 conveying energy conserving system, it is characterised in that when described energy-conservation
When function is opened, the described main motorized pulleys of control module record and the closing time of auxiliary motorized pulleys and electric degree,
When described power saving function is closed, described control module preserves main motorized pulleys and the operation of auxiliary motorized pulleys
Cumulative time, accumulative electric degree, energy-conservation initial time and energy-conservation knot speed time；
Described control module is additionally provided with cumulative information and resets option, and after selecting to reset, control module is removed and protected
The main motorized pulleys deposited and the operation cumulative information of auxiliary motorized pulleys, run cumulative information and include that operation is accumulative
Time, accumulative electric degree, energy-conservation initial time and energy-conservation knot speed time.
Colliery the most according to claim 2 conveying energy conserving system, it is characterised in that described control mould
Block also comprises automatic comparing function and arranges module, and opening or closing of comparative selection function, when determining contrast
Between be N hour；
When described power saving function is opened, and when comparing function is opened automatically, described control module is the most all opened
Open main motorized pulleys and auxiliary motorized pulleys to run N hour, subsequently into energy-saving run N hour, energy-conservation fortune
After row terminates, time and the electric degree of twice operation are compared, calculates the total electric degree before and after energy-conservation unlatching
Comparing result also preserves.
Colliery the most according to claim 4 conveying energy conserving system, it is characterised in that work as comparative selection
When function is opened, described control module is pointed out by display module, and prompting user should be at load shape
Comparison under condition same case.
Colliery the most according to claim 2 conveying energy conserving system, it is characterised in that described energy-conservation
In function setting module, described subsidiary engine startup coefficient maximum arranges 100%.
Colliery the most according to claim 4 conveying energy conserving system, it is characterised in that described automatically
Comparing function arranges in module, and described reduced time maximum arranges 720 hours.
Colliery the most according to claim 2 conveying energy conserving system, it is characterised in that described display mould
Display picture in block includes engineer's menu screen, saves containing conveyer in described engineer's menu screen
Energy option, for checking and arrange the parameter of described energy-saving protector；
The submenu of described conveyer power conservation option includes power saving function setting options and returns previous menu
Option；The submenu of described power saving function setting options includes that described power saving function is arranged in module to be wanted
The content of setting, return previous menu option.
Colliery the most according to claim 3 conveying energy conserving system, it is characterised in that described display mould
Display picture in block includes engineer's menu screen, saves containing conveyer in described engineer's menu screen
Energy option, for checking and arrange the parameter of described energy-saving protector；
The submenu of described conveyer power conservation option includes that cumulative information checks that option, cumulative information reset choosing
Item and return previous menu option；
Described cumulative information checks that the submenu of option includes the main motorized pulleys that described control module preserves
Operation cumulative information with auxiliary motorized pulleys；
After described cumulative information resets option selection, control module is removed and is run cumulative information.
Colliery the most according to claim 4 conveying energy conserving system, it is characterised in that described display mould
Display picture in block includes engineer's menu screen, saves containing conveyer in described engineer's menu screen
Energy option, for checking and arrange the parameter of described energy-saving protector；
The submenu of described conveyer power conservation option includes automatic comparing function option and returns previous menu
Option；
The submenu of described automatic comparing function option includes that described automatic comparing function arranges institute in module
Content to be arranged, comparing result option last time, return previous menu option；
Described last time comparing result option submenu to include that power saving function enables the master of first N hour electronic
The operation time of cylinder and auxiliary motorized pulleys and electric degree, power saving function enable the main motorized pulleys of latter N hour
The total electric degree comparing result run before and after time and electric degree, energy-conservation unlatching with auxiliary motorized pulleys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058511.8A CN106144489B (en) | 2016-01-28 | 2016-01-28 | Coal mine conveys energy conserving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058511.8A CN106144489B (en) | 2016-01-28 | 2016-01-28 | Coal mine conveys energy conserving system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106144489A true CN106144489A (en) | 2016-11-23 |
| CN106144489B CN106144489B (en) | 2018-10-30 |
Family
ID=57352752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610058511.8A Active CN106144489B (en) | 2016-01-28 | 2016-01-28 | Coal mine conveys energy conserving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106144489B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106628948A (en) * | 2016-12-22 | 2017-05-10 | 神华集团有限责任公司 | Method, device and system for adjusting speed of coal mine belt conveyor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2685308A1 (en) * | 1991-12-18 | 1993-06-25 | Dubus | Machine for the automatic placing of elements such as flap hinges or other items of hardware |
| US7004309B2 (en) * | 2004-07-27 | 2006-02-28 | Sherwood Bernard J | Vacuum belt conveyor system |
| CN201592898U (en) * | 2010-01-29 | 2010-09-29 | 国投新登郑州煤业有限公司 | Variable-frequent mining belt conveying system based on current closed loop control |
| CN103303651A (en) * | 2013-03-22 | 2013-09-18 | 交通运输部水运科学研究所 | Motor-decreasing energy saving system based on intelligent control for belt conveyer |
| CN104118706A (en) * | 2014-08-15 | 2014-10-29 | 莱芜市大圣机械制造有限公司 | Energy-saving belt conveyer with height of supporting rollers being automatically adjustable |
| CN104773465A (en) * | 2014-01-14 | 2015-07-15 | 深圳市汇拓新邦科技有限公司 | Large-scale transmission master-slave control equipment of belt conveyer and operation method thereof |
| CN204802534U (en) * | 2015-06-10 | 2015-11-25 | 尚延廷 | Permanent -magnet direct -drive formula colliery is conveyer in pit |
-
2016
- 2016-01-28 CN CN201610058511.8A patent/CN106144489B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2685308A1 (en) * | 1991-12-18 | 1993-06-25 | Dubus | Machine for the automatic placing of elements such as flap hinges or other items of hardware |
| US7004309B2 (en) * | 2004-07-27 | 2006-02-28 | Sherwood Bernard J | Vacuum belt conveyor system |
| CN201592898U (en) * | 2010-01-29 | 2010-09-29 | 国投新登郑州煤业有限公司 | Variable-frequent mining belt conveying system based on current closed loop control |
| CN103303651A (en) * | 2013-03-22 | 2013-09-18 | 交通运输部水运科学研究所 | Motor-decreasing energy saving system based on intelligent control for belt conveyer |
| CN104773465A (en) * | 2014-01-14 | 2015-07-15 | 深圳市汇拓新邦科技有限公司 | Large-scale transmission master-slave control equipment of belt conveyer and operation method thereof |
| CN104118706A (en) * | 2014-08-15 | 2014-10-29 | 莱芜市大圣机械制造有限公司 | Energy-saving belt conveyer with height of supporting rollers being automatically adjustable |
| CN204802534U (en) * | 2015-06-10 | 2015-11-25 | 尚延廷 | Permanent -magnet direct -drive formula colliery is conveyer in pit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106628948A (en) * | 2016-12-22 | 2017-05-10 | 神华集团有限责任公司 | Method, device and system for adjusting speed of coal mine belt conveyor |
| CN106628948B (en) * | 2016-12-22 | 2019-11-01 | 神华集团有限责任公司 | The method, apparatus and system of coal mine leather belt machine speed regulation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106144489B (en) | 2018-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103303651A (en) | Motor-decreasing energy saving system based on intelligent control for belt conveyer | |
| CN106144489A (en) | Colliery conveying energy conserving system | |
| CN107703821A (en) | A kind of quiescent current control circuit of key wakeup circuit | |
| EP2386078B1 (en) | Circuit system and method of controlling power management | |
| CN110709346B (en) | Passenger conveyor | |
| CN203283805U (en) | Belt conveyor reduction motor energy saving system based on intelligent control | |
| CN209100148U (en) | A kind of high revolving speed flame-out protection device of engine | |
| CN108465545A (en) | The garbage pulverator of work functions is automatically stopped with zero load | |
| CN109098866A (en) | A kind of high revolving speed flame-out protection device of engine and control method | |
| CN207242802U (en) | Belt transmission system and its circuit for controlling motor | |
| CN106382141A (en) | Electronic control oil pump device for diesel engine and control method | |
| CN106286254A (en) | A kind of air compressor machine of full-automatic unmanned supervision | |
| CN207568820U (en) | A kind of air compressor machine of tape timer | |
| CN205471344U (en) | Economizer system is carried in colliery | |
| CN103738699A (en) | Multi-motor-driven belt conveyor motor reducing motor energy saving operation intelligent control device | |
| CN101237140A (en) | Water-proof protection device for digital product | |
| CN207529188U (en) | Domestic electric appliances energy-saving on-off switch | |
| CN103640954B (en) | The unmanned boarding of staircase is stopped transport controller automatically | |
| CN203865810U (en) | Automatic stop controller used when nobody takes escalator | |
| CN203612800U (en) | Sucking disc system applied to crown block, and crown block | |
| CN202011620U (en) | Accumulation control card having a sudden stop function | |
| CN206234096U (en) | A kind of air compressor machine of full-automatic unmanned supervision | |
| CN108689105A (en) | A kind of coal mine is driven to coal belt feeder and monitor control system | |
| CN208506548U (en) | A kind of low standby power loss circuit and microwave induction controller | |
| CN205906629U (en) | Unit electric cabinet and contain conveyer control system of unit electric cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |