CN108336747A - A kind of star-like energy saving in running switch board of beam pumping unit turn - Google Patents
A kind of star-like energy saving in running switch board of beam pumping unit turn Download PDFInfo
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- CN108336747A CN108336747A CN201810312522.3A CN201810312522A CN108336747A CN 108336747 A CN108336747 A CN 108336747A CN 201810312522 A CN201810312522 A CN 201810312522A CN 108336747 A CN108336747 A CN 108336747A
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- 238000005086 pumping Methods 0.000 title claims abstract description 85
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000001012 protector Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 230000003111 delayed effect Effects 0.000 description 5
- 239000002699 waste material Substances 0.000 description 4
- 241001269238 Data Species 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000036760 body temperature Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 102100027284 Fanconi-associated nuclease 1 Human genes 0.000 description 1
- 101000914689 Homo sapiens Fanconi-associated nuclease 1 Proteins 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
- H02P1/32—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor by star/delta switching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention relates to a kind of beam pumping units to turn star-like energy saving in running switch board, including：Control the cabinet external door of cabinet and connection on the cabinet, cabinet inside door and head cover, two air spring struts are installed between cabinet external door and cabinet, door status switch component and cabinet door lock are provided on cabinet external door, time programming controller and switch button box are provided on cabinet inside door, switch board circuit includes primary circuit and secondary circuit, primary circuit includes mainly that triangular form starts turn star-like energy saving in running circuit and triangular form startup and operation circuit, secondary circuit includes the communication loop of switch board and host computer, working state monitoring circuit, start-up and shut-down control circuit, analog measurement circuit, error protection alarm circuit, the present invention realizes beam pumping unit triangular form and starts the Energy Saving Method for turning star-like operation, with highly practical, it is cost-effective, the advantages that intelligent.
Description
Technical field
The present invention relates to beam pumping unit energy-saving control cabinet technical field, more particularly to a kind of beam pumping unit turns star
Type energy saving in running switch board.
Background technology
Main electrical equipment of the beam pumping unit as computer collecting system, electrical control cabinet function is fairly simple, mostly
There is no energy-saving function, load-rate of motor is very low when pumping unit being caused to run, and power consumption is bigger, and the machine of thereby resulting in, which is adopted, is
Efficiency of uniting is low, increases the cost of oil extraction.
At this stage oil field computer collecting system the main problems are as follows：
1, motor of beam-pumping unit is all triangular form connection to ensure sufficiently large detent torque；Normal operation
When be also triangular form connection so that induction-motor load rate is very low, and " low load with strong power " causes motor power (output) utilization rate low, power
Factor is low, and reactive loss is big, and waste of energy is serious, averagely reaches 20-50%, causes the cost of productive power excessively high.
2, by exploiting for many years, there are quite a lot of a part of stripper wells for domestic each elephant, and there are the insufficient feelings of feed flow
Condition, motor of beam-pumping unit halfload or light(-duty) service, acting is more and yields poor results, therefore waste of energy is big, Er Qieji
Tool abrasion is more, and maintenance cost is caused to increase.
3, oil-pumping equipment in oil field has a large capacity and a wide range, widely distributed, and the various working conditions in production process, operation data cannot
It obtains in time；When device fails, comprehensive effective protection cannot be provided；If only manually regular visit, working efficiency
It is relatively low.
Therefore, a set of information completely, dependable performance, the highly practical beam type oil pumping with energy-saving function are established
Machine remote measuring and controlling system is very important.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of beam pumping units to turn star-like energy saving in running switch board, solution
It has determined the problems such as waste of energy existing for existing pumping unit is big, working efficiency is low, intelligence degree is low, has realized pumping unit section
Energy, efficient, intelligence work function, have many advantages, such as that energy-saving and production-increase, reliability are high, intelligence degree is high.
To achieve the goals above, the present invention is realized using following technical scheme：A kind of beam pumping unit turn is star-like
Energy saving in running switch board (hereinafter referred to as switch board), including：Cabinet and connection cabinet external door on the cabinet, cabinet inside door and
Head cover is equipped with two air spring struts between cabinet and cabinet external door, door status switch component and outer is provided on cabinet external door
Cabinet door lock is provided with lock, time programming controller and switch button box under inside door locking, inside door on cabinet inside door.
Circuit includes primary circuit and secondary circuit in the switch board, and the primary circuit includes mainly triangular form
Start and turn star-like energy saving in running circuit and triangular form startup and operation circuit, it is normal that triangular form, which starts and turns star-like energy saving in running circuit,
With major loop, triangular form starts and operation circuit is used in major loop failure, and as spare subloop, primary circuit connection is closed
System is：Three phase mains input terminal connects switch board general supply breaker input terminal, and general supply breaker output end connects respectively to be led back
Road and subloop, the major loop are made of three vacuum A. C. contactors, and the subloop is made of two contactors, described
Major loop and subloop are finally connected to two outlet terminals, the two leading-out terminals respectively by parallel connection after two motor protecters
Son connects the winding of beam pumping unit motor.
The primary circuit further includes two reactive compensation capacitors, respectively by two breakers be connected to switch board into
Line terminals and outlet terminal.Realize the local reactive power compensation of switch board power end and pumping-unit motor end.
The secondary circuit includes the communication loop of switch board and host computer, working state monitoring circuit, leads back
Road and subloop start-up and shut-down control circuit, analog measurement circuit, error protection alarm circuit.
As a kind of optimal technical scheme of the design, the communication loop of the secondary circuit include main remote controllers,
Secondary remote controllers, data acquisition box and communication antenna seat, the cabinet top lid are equipped with 3 communication antenna seats, and 3 logical
News antenna pedestal is respectively connected to the ZigBee antennas of corresponding major and minor remote controllers, data acquisition box by radio frequency line
Interface.The DTU terminal controls that main remote controllers, secondary remote controllers pass through built-in ZigBee module and external antenna and scene
Cabinet carries out wireless communication, then realizes telecommunication by GPRS network and host computer by DTU terminal controls cabinet；Wireless data
Collecting cassette is communicated by built-in ZigBee module and external antenna and the wireless sensor at scene.
As a kind of optimal technical scheme of the design, the working state monitoring circuit of the secondary circuit includes main remote
Range controller, secondary remote controllers, time programming controller, power pack, motor protecter, contactor, door status switch, switch are pressed
The On-off signal terminal of button, major and minor remote controllers is respectively connected to time programming controller, power pack, electricity by conducting wire
The working condition contact of machine protector, door status switch, contactor, switch button.
As a kind of optimal technical scheme of the design, the major loop control loop of the secondary circuit includes that triangular form turns
Star-like control module A and B, main remote controllers, time programming controller, motor protecter, relay, contactor, electric current are mutual
Sensor, switch button, the triangular form turn star-like control module A and B, and wireless telecommunications are realized by built-in ZigBee module,
The triangular form turns star-like control module B and is connected with relay, contactor by conducting wire, the major loop of the main remote controllers
Control terminal is connected by conducting wire with time programming controller, motor protecter, relay, contactor, switch button, the time
Programmable controller is connected by conducting wire with main remote controllers, current transformer.
Major loop starts control, and there are four types of modes：Delayed startup major loop manually boots major loop, remotely starts major loop
Start major loop with the plan of taking out.
1, delayed startup major loop：It is complete by time programming controller and main remote controllers when restoring electricity after a loss of power
At major loop delayed startup.
2, major loop is manually booted：Started by major loop start button on cabinet inside door by Field Force.
3, remotely start major loop：The long-range major loop that starts is assigned by monitoring center operating personnel in host computer to order
It enables, the main remote controllers of switch board are received and executed.
4, the plan of taking out starts major loop：Meter is taken out between host computer assigns major loop by monitoring center operating personnel
It draws, the main remote controllers of switch board store and execute booting plan by the time is started.
The triangular form, which turns star-like control module A and B, to be completed to turn star-like operation after pumping-unit motor triangular form starts
Function.Triangular form turns star-like control module A and is mounted on walking beam on pumping units, and triangular form turns star-like control module B and is mounted on control
In cabinet, they realize wireless telecommunications by built-in ZigBee module.Triangular form turns star-like control module B and passes through conducting wire and relay
Device, contactor are connected.
When pumping-unit motor triangular form start and run a period of time (time by triangular form turn star-like control module B dial-ups
Switch setting) so that computer collecting system is stablized after, when triangular form turns star-like control module A and detects down stroke after pumping unit overbalance point
Wireless signal is sent out, switch board Triangle ID type turns star-like control module B and receives, and controls after triangular form connection contactor disconnects again
Wye connection contactor is connected, pumping-unit motor is brought into operation with wye connection.
Major loop stops control, and there are four types of modes：It is manual to stop major loop, remotely stop major loop, pumping plan stopping master
Circuit and error protection stop.
1, stop major loop manually：Stopped by major loop stop button on cabinet inside door operation panel by site operation personnel
Machine.
2, remotely stop major loop：Major loop is assigned on host computer by monitoring center operating personnel remotely to stop ordering
It enables, master controller receives and executes halt command in switch board.
3, the plan of taking out stops major loop：Meter is taken out between host computer assigns major loop by monitoring center operating personnel
It draws, the main remote controllers of switch board store and execute the plan of shutdown by downtime.
4, time programming controller detect over-pressed, under-voltage, over current fault or major loop motor protecter detect phase shortage,
Overload fault, time programming controller or the control of major loop motor protecter are shut down.
As a kind of optimal technical scheme of the design, the subloop control loop of secondary circuit includes main remote control
The subloop control terminal of device, motor protecter, relay, contactor, switch button, the main remote controllers passes through conducting wire
It is connected respectively with motor protecter, relay, contactor, switch button.
The subloop starts control, and there are three types of modes：Manually boot subloop, long-range startup subloop and pumping meter
Delimit dynamic subloop.
1, subloop is manually booted：Subloop start button is pressed on cabinet inside door start pumping unit by Field Force.
2, remotely start subloop：The long-range subloop that starts is assigned by monitoring center operating personnel in host computer to order
It enables, the main remote controllers of switch board, which are received and executed, starts subloop order.
3, the plan of taking out starts subloop：Meter is taken out between host computer assigns subloop by monitoring center operating personnel
It draws, the main remote controllers of switch board, which are stored and pressed, starts time execution booting plan.
The subloop stops control, and there are four types of modes：Stop subloop manually, remotely stop between subloop, subloop
The plan of pumping stops and error protection is shut down.
1, stop subloop manually：Stopped by subloop stop button on cabinet inside door operation panel by site operation personnel
Machine.
2, remotely stop subloop：Subloop is assigned on host computer by monitoring center operating personnel remotely to stop ordering
It enables, master controller receives and executes halt command in switch board.
3, the plan of taking out stops between subloop：Meter is taken out between host computer assigns subloop by monitoring center operating personnel
It draws, the main remote controllers of switch board store and execute the plan of shutdown by downtime.
4, time programming controller detect over-pressed, under-voltage, over current fault or subloop motor protecter detect phase shortage,
Overload fault, time programming controller or the control of subloop motor protecter are shut down.
As a kind of optimal technical scheme of the design, analog measurement circuit includes primary and secondary remote controllers and simulation
Terminal board, power param eter supervision instrument, current transformer, wireless collection box, power pack are measured, analog quantity terminal board is connected by shielding line
It is connected to primary and secondary remote controllers analog input terminal, power param eter supervision instrument, wireless collection box are connected to by 485 interfaces
Main remote controllers, power param eter supervision instrument are connect by conducting wire with current transformer, power pack DC power output end point
It is not connected to the DC power supply terminal of major and minor remote controllers, analog quantity terminal board, wireless collection box.
Secondary remote controllers analog input port is connected by conducting wire with analog quantity terminal board.Power pack offer master,
Secondary remote controllers, wireless collection box and the DC supply by the external sensor of analog quantity terminal board.It is primary and secondary long-range
Controller acquires wired sensor signal by analog quantity terminal board, and work(figure instrument data and other nothings are acquired by wireless collection box
Line sensing data acquires parameters of electric power by power param eter supervision instrument.
As a kind of optimal technical scheme of the design, the error protection alarm circuit includes main remote controllers, pair
Remote controllers, door status switch, time programming controller, power pack and motor protecter.The switching value of primary and secondary remote controllers
Input terminal passes through the conducting wire alarm actuating contact phase with door status switch, time programming controller, power pack, motor protecter respectively
Even.Time programming monitoring control devices network voltage superpressure, under-voltage and load overcurrent failure, motor protecter monitor pumping-unit motor
Phase shortage, overload fault.After failure occurs, time programming controller or motor protecter control automatic protection are shut down.Door status switch
Detecting box door opening and closing state.Power pack has the relay output contact of detection power supply state.Major and minor remote controllers detect report
After alert contacts status variation, corresponding warning message is uploaded into host computer immediately.
As a kind of optimal technical scheme of the design, the outer doorjamb of the cabinet and cabinet interior door frame are corresponding with cabinet
Position is equipped with elastic rubber sealing strip, is weather seal state after cabinet door closing.
As a kind of optimal technical scheme of the design, outer side of door is provided with two breaker operator machines in the cabinet
Structure, one is switch board general supply circuit breaker operation mechanism, the other is bypass breaker operating mechanism.
As a kind of optimal technical scheme of the design, in the cabinet outer side of door be provided with major loop operation button group and
Subloop operation button group.
Beneficial effects of the present invention are：
1, switch board of the invention acquires computer collecting system operating mode and data in real time, and long-distance Log server is to host computer, on
Bit machine operating personnel can the various on off states of real time inspection, work(diagram data, parameters of electric power, flow, liquid level, pressure etc. it is multinomial
Basic data and report curve provide the reference data for formulating working system and optimization operation for production management, realize machine
Extraction system data acquire function in real time comprehensively.
2, load trim is carried out to pumping unit by the collected parameters of electric power of analysis and Control cabinet, pumping unit is made steadily to transport
Row, reduces waste of energy；Pumping-unit motor is transformed into star-like operation by triangular form startup by this switch board, reduces electricity
The operating current of machine, saves electric energy；Reactive loss is reduced by input compensation capacitance, improves power factor, further
Reduce Power Consumption of Pumping Units amount；The working system taken out between being realized automatically by this switch board, improves pump efficiency, has prevented empty pumping
Generation, realize a degree of volume increase.
3, when pumping unit breaks down, automatic protection shuts down and warning message is uploaded host computer, normal in communication
In the case of it is upper within ten seconds reach host computer, host computer carries out sound and picture push alarm.The powerful net of system
Network monitoring capacity, timely notifier processes, realize real unattended management, carry when artificial timing inspection is become problematic
High working efficiency.
4, this switch board has major loop (triangular form, which starts, turns star-like operation), subloop (triangular form starts and operation) two
Control system is covered, subloop control can be changed to after major loop failure, in the major loop maintenance period, does not influence the normal of pumping unit
Work.
5, due to being not necessarily to from operation field to monitoring center using wireless GPRS mobile communication technology without setting up base station
Special communication cable is laid, system uses modularized design, engineering construction and installation simple.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram that beam pumping unit turns star-like energy saving in running switch board；
Fig. 2 is the element table of comparisons in the star-like energy saving in running switch board of beam pumping unit turn；
Fig. 3 is the circuit diagram that beam pumping unit turns primary circuit in star-like energy saving in running switch board；
Fig. 4 is the circuit diagram that beam pumping unit turns secondary meter in star-like energy saving in running switch board；
Fig. 5 is the circuit diagram that beam pumping unit turns secondary start-up and shut-down control in star-like energy saving in running switch board；
Fig. 6 is the layout structure schematic diagram of operation panel on cabinet inside door.
Specific embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.It should be noted that in the absence of conflict, embodiment in the application and
Feature in embodiment can be combined with each other.
Such as Fig. 1, shown in 2, a kind of beam pumping unit turns star-like energy saving in running switch board, including：Switch board cabinet 14, cabinet
External door 1, cabinet inside door 2 and cabinet top lid 16, pass through two air spring struts 13 between the cabinet 14 and cabinet external door 1
It is connected, door status switch component 3 and outer cabinet door lock 9 is provided in the outer cabinet door 1, door status switch component 3 is opened for cabinet door
Off status detects, and lock 11 and switch button box 5 under interior cabinet door locking 4, interior cabinet door, the cabinet are provided in the interior cabinet door 2
Communication antenna seat 15 is installed on head cover 16.
As a kind of optimal technical scheme of the design, 1 frame of cabinet external door and 2 frame of cabinet inside door and cabinet pair
It answers position that elastic rubber sealing strip 8 is installed, is weather seal state after cabinet door closing.
Breaker 27 is installed, single is spaced apart 19, remote controllers (left main right pair) 23, power pack 20, electricity in cabinet 14
Force parameter monitor 24, major loop vacuum contactor 28, subloop contactor 10, triangular form turns star-like control module B 25, secondary
Circuit motor protecter 31, major loop motor protecter 32, capacitor switching breaker 33, input terminal 34, outlet terminal 35, nothing
Line work(figure box 21, arrester 17, current transformer 29, compensating electric capacity 36, radiator fan 18, heating plate 30.
Fig. 3 show primary circuit, including three phase mains input terminal XT1, and it is total that three phase mains input terminal connects switch board
Power circuit breaker ZK1 input terminals, general supply breaker ZK1 output ends connect major loop and subloop, beam pumping unit electricity respectively
It is major loop that machine triangular form, which starts and turns star-like energy saving in running circuit, and triangular form starts and operation circuit, is subloop.
The major loop is made of three vacuum A. C. contactors (KM1, KM2, KM3), and the subloop is disconnected by bypassing
Road device (ZK2) and two vacuum contactors (KM4, KM5) are constituted, and the major loop and subloop pass through two electric motor protectings respectively
Device (JK1, JK2) is in parallel afterwards, is finally connected to outlet terminal (XT2, XT3), outlet terminal connect beam pumping unit motor D1 around
Group tap (U1, V1, W1, U2, V2, W2)
The primary circuit is provided with current transformer (CT1~CT5) for current measurement；Time programming controller is logical
CT1 is crossed, CT2 measures current signal, and power param eter supervision instrument measures current signal by CT4, CT5, CT6.
The primary circuit further includes two reactive compensation capacitors C1, C2, passes through two breaker ZK3, ZK4 companies respectively
It is connected on switch board input terminal XT1, outlet terminal XT2.Realize the idle on the spot of switch board power end and pumping-unit motor end
Compensation, improves the power factor of electric system used for oil extractor, reduces reactive energy loss.
The primary circuit be additionally provided with arrester (FS) for equipment by when being struck by lightning give equipment provide protection.
It is illustrated in figure 4 secondary meter circuit, including communication loop, working state monitoring circuit, major loop and subloop
Start-up and shut-down control circuit, analog measurement circuit, error protection alarm circuit.
The communication loop as shown in figure 4, including main remote controllers, secondary remote controllers and wireless collection box, it
Be each provided with antennal interface, the cabinet top lid is equipped with 3 communication antenna seats, and 3 communication antenna seats are respectively connected to
Corresponding main remote controllers, secondary remote controllers and wireless collection box antennal interface.Main remote controllers, secondary remote controllers
It is carried out wireless communication by the DTU terminal controls cabinet at built-in ZigBee module and antenna and scene (in figure unlisted), then by DTU
Terminal control cabinet and host computer realize telecommunication by GPRS network；Wireless collection box by built-in ZigBee module and
Antenna realizes the acquisition of wireless simulation amount with the wireless sensor at scene.
As shown in figure 4, main remote controllers are realized wireless with host computer as switch board core main control unit
Communication, remote control, on off state acquisition and analog data collection.Main remote controllers by conducting wire respectively with time programming
Controller, power pack, power param eter supervision instrument, wireless collection box, analog quantity terminal board, motor protecter (JK1, JK2), it is intermediate
Relay (KA1, KA2), contactor (KM1, KM2, KM3), switch button (SA1, SB1, SBS1, SA2, SB2, SBS2) are connected
It connects.Main remote controllers start dry contact J4A-1 by major loop, and major loop stops dry contact J4A-2 and other electrical equipments
Cooperation, realize major loop remotely-or locally under control mode pumping unit start-up and shut-down control；Main remote controllers pass through subloop
Start dry contact J4A-3, subloop stops dry contact J4A-4 and other electrical equipments and coordinates, realize subloop it is long-range or this
The start-up and shut-down control of pumping unit under ground control mode.Main remote controllers monitor pumping unit and control in real time by On-off signal port
The operating status of cabinet processed, the power param eter supervision instrument connected by 485 interfaces realize the acquisition of parameters of electric power, are connect by 485
The wireless collection box of mouth connection acquires work(diagram data and other wireless sensor datas, passes through what is connect with analog quantity terminal board
Sensor acquires temperature, liquid level, the analog datas such as pressure.
As shown in figure 4, secondary remote controllers are connected with power pack, analog quantity terminal board respectively by conducting wire, it is secondary long-range
Controller provides the switching value and analog interface of extension.
As shown in Figure 4, it includes that the triangular form being mounted on walking beam on pumping units turns star-like control that triangular form, which turns star-like control module,
Modules A (not marked in figure) processed and the triangular form being arranged in switch board turn star-like control module B.When pumping-unit motor triangular form
Start and run after a period of time (time turns star-like control module B toggle switch by triangular form and sets) makes computer collecting system stablize,
Triangular form on walking beam on pumping units turns star-like control module A and sends out wireless signal when down stroke after pumping unit overbalance point, controls
Cabinet Triangle ID type processed turns star-like control module B and receives, and is first disconnected by the normally closed dry contacts of module B, controls triangular form vacuum contactor
It disconnects, the normally opened dry contacts of module B are connected again, are controlled star-like vacuum contactor and are connected, pumping-unit motor is run with wye connection.Two
A contactor is interlocked by normally-closed contact, cannot be also turned on.
As shown in Figure 4, time programming controller is connected by conducting wire and main remote controllers, Current Transmit 1, CT2.
Time programming controller can measure line voltage, can be by Current Transmit 1, and CT2 measures load current.It is logical
Overvoltage protection value can be arranged by crossing time programmable controller panel button, low-voltage protection value, the parameters such as overcurrent protection value, when
When the instantaneous value that time programming controller measures exceeds setting value, it is immediately performed protection act, shutdown of pumping machine, time programming control
Device processed corresponds to alarm dry contact and is closed, and warning message is transmitted to main remote controllers and corresponds to On-off signal port, by main remote
Warning message is uploaded host computer by range controller immediately；Pumping unit temporally start and stop can be also arranged in time programming controller
The automatic start-stop machine control under local control mode is realized in week plan.
As shown in figure 4, motor protector JK1, JK2：Be for threephase motor in operation because of phase shortage/overload etc. therefore
Barrier causes to burn motor and the integrated protector for electric motor that designs, has disconnected phase, overload protection function.Motor protector mistake
It carries electric current and overload time to be respectively arranged by two toggle switch, in motor phase failure, overload, motor protector executes protection
Action, shutdown of pumping machine, motor protector JK1, JK2 alarm actuating contact are closed, warning message are transmitted to and send main remote control
Device corresponds to On-off signal port, and warning message is uploaded host computer immediately by main remote controllers.
As shown in figure 4, power param eter supervision instrument by conducting wire respectively with main remote controllers, Current Transmit 3, CT4,
CT5 is connected, and realizes electric parameter acquisition；Parameters of electric power includes line voltage, phase voltage, per phase current, power factor, idle work(
33 parameters of electric power such as rate, active power, apparent energy data, power param eter supervision instrument are connected to main long-range by 485 interfaces
Controller uploads host computer by main remote controllers are automatic every 10 minutes.
As shown in Figure 4, power pack by conducting wire be connected to main remote controllers, secondary remote controllers, analog quantity terminal board,
Wireless collection box.AC power is converted into DC power supply output by power pack, is supplied to major and minor remote controllers, wireless data
Collecting cassette and analog quantity terminal board are powered by internal battery to two remote controllers after power failure.
As shown in figure 4, data acquisition box is acquired the data of wireless work(figure instrument and wireless sensor, then lead to
It crosses 485 interfaces and is transmitted to main remote controllers, host computer is uploaded by main remote controllers.
As shown in figure 4, analog quantity terminal board is for connecting liquid level, pressure, the wired sensors such as temperature.Power pack will exchange
Power supply is converted to DC power supply, analog quantity terminal board is accessed by conducting wire, for providing sensor DC supply.
As shown in figure 4, the working state monitoring circuit includes main remote controllers, secondary remote controllers, the two
The switch value input interface of controller is intermediate by conducting wire and time programming controller, power pack, motor protecter JK1, JK2
Relay KA1, KA2, contactor KM1~KM5, the switch contact of switch button SA1, SA2 are connected, and main remote controllers, pair are remote
Range controller is by detecting the on off operating modes of these element contacts, to obtain the operating status of pumping unit and switch board.
As shown in figure 4, the analog measurement circuit includes main remote controllers, secondary remote controllers and analog quantity end
Sub- box, power param eter supervision instrument, wireless collection box.Primary and secondary remote controllers are acquired connected to it by analog quantity terminal board
Wired sensor signal；Main remote controllers are communicated by 485 interfaces and data acquisition box, acquire wireless work(figure instrument data
And other wireless sensor datas；Main remote controllers are communicated by 485 interfaces and power param eter supervision instrument, acquire pumping unit
Parameters of electric power.
As shown in figure 4, the error protection alarm circuit includes main remote controllers, secondary remote controllers and time compile
Range controller and motor protecter JK1, JK2, door status switch MK1, power pack.Time programming monitoring control devices network voltage is super
Pressure, under-voltage and load overcurrent failure, motor protecter JK1, JK2 monitor pumping-unit motor phase shortage, overload fault.Failure occurs
Afterwards, pumping unit protects shutdown immediately.There are monitoring power supply state circuit and relay output contact, door status switch MK1 in power pack
Monitor the outer door opening and closing state of cabinet.After major and minor remote controllers On-off signal point detects contact on off operating mode variation, immediately
Corresponding warning message is uploaded into host computer.
As shown in figure 5, the major loop and subloop start-up and shut-down control circuit.Major loop starts control, and there are four types of modes：
Delayed startup manually boots, remotely startup and pumping plan for start-up and shut-down startup.
1, delayed startup：When switch board recovery after power cut is powered, after 10 seconds, for the first time by time programming controller
CESK-1 contact closures, control contactor KM1, KM2 inhales and (the triangular form mode of connection), and pumping unit starts；Second by main remote
Range controller is after certain time (main remote controllers address × 6 second), J4A-1 contact closures, control contactor KM1, KM2
(the triangular form mode of connection) is inhaled and pumping unit startup.Selecting switch SA1 will get to remote location under this Starting mode.
2, it manually boots：Start button SB1, control contactor are pressed on cabinet inside door operation panel by site operation personnel
KM1, KM2 inhale and complete to start.Selecting switch SA1 will get to local position under this Starting mode.
3, long-range to start：Major loop is assigned on host computer by remote monitoring center operating personnel starts order to master
Remote controllers, main remote controllers J4A-1 contact closures, contactor KM1, KM2 inhale and complete startup.It is selected under this Starting mode
Remote location will be got to by selecting switch SA1.
4, a pumping plan for start-up and shut-down starts：It is taken out between assigning major loop on host computer by remote monitoring center operating personnel
Plan for start-up and shut-down, the main remote controllers of switch board receive storage.To after starting the time, main remote controllers J4A-1 contact closures connect
Tentaculum KM1, KM2 inhale and complete startup.Selecting switch SA1 will get to remote location under this Starting mode.
As shown in figure 5, when pumping-unit motor triangular form start and run a period of time (time by triangular form turn star-like control
Module B toggle switch is set) so that computer collecting system is stablized after, triangular form on walking beam on pumping units turns star-like control module A and is pumping
Wireless signal is sent out after machine overbalance point when down stroke, switch board Triangle ID type turns star-like control module B and receives, normal by module B
It closes dry contact first to disconnect, control triangular form vacuum contactor KM1 and KM2 are disconnected, and the normally opened dry contacts of module B are connected, and control is star-like
Vacuum contactor KM1 and KM3 inhale and, pumping-unit motor is run with wye connection.Two contactors are interlocked by normally-closed contact, no
It can be also turned on.
As shown in figure 5, the major loop stops control, there are four types of modes：Manual shut-down, long-range shutdown, pumping plan for start-up and shut-down
It shuts down and error protection is shut down.
1, manual shut-down：Stop button SBS1 is pressed on cabinet inside door operation panel by site operation personnel, major loop connects
Tentaculum discharges, shutdown of pumping machine.Selecting switch SA1 will get to local position under this stopping mode.
2, long-range to shut down：Major loop halt command is assigned on host computer to master by remote monitoring center operating personnel
Remote controllers, main remote controllers contact J4A-2 are disconnected, the release of major loop contactor, shutdown of pumping machine.Under this stopping mode
Selecting switch SA1 will get to remote location.
3, a pumping plan for start-up and shut-down is shut down：Start and stop meter is taken out between being assigned on host computer by remote monitoring center operating personnel
It draws, the main remote controllers of switch board receive storage.Dwell time is reached, main remote controllers contact J4A-2 is disconnected, and major loop connects
Tentaculum discharges, shutdown of pumping machine.Selecting switch SA1 will get to remote location under this stopping mode.
4, error protection is shut down：When phase shortage, overload, overvoltage, under-voltage, over current fault occurs, the release of major loop contactor,
Shutdown of pumping machine.
As shown in figure 5, the subloop starts control, there are three types of modes：It manually boots, remotely startup and pumping start and stop
Plan starts.
1, it manually boots：Start button SB2, contactor KM4 are pressed in cabinet inside door operation panel by site operation personnel,
KM5 inhales and pumping unit startup；Selecting switch SA2 will get to local position under this Starting mode.
2, long-range to start：Subloop is assigned on host computer by remote monitoring center operating personnel starts order to master
Remote controllers, main remote controllers J4A-3 contact closures, contactor KM4, KM5 suction and pumping unit startup；This Starting mode
Lower selecting switch SA2 will get to remote location.
3, a pumping plan for start-up and shut-down starts：It is taken out between assigning subloop on host computer by remote monitoring center operating personnel
Plan for start-up and shut-down, the main remote controllers of switch board receive storage, arrive main remote controllers J4A-3 contact closures after starting the time, connect
Tentaculum KM4, KM5 suction and pumping unit startup；Selecting switch SA2 will get to remote location under this Starting mode.
As shown in figure 5, the subloop shuts down control, there are four types of modes：Manual shut-down, long-range shutdown, pumping start and stop meter
It draws to shut down and be shut down with error protection.
1, manual shut-down：Subloop stop button SBS2 is pressed in cabinet inside door operation panel by site operation personnel, is contacted
Device KM4, KM5 release, shutdown of pumping machine；Selecting switch SA2 will get to local position under this halt mode.
2, long-range to shut down：The long-range halt command of subloop is assigned on host computer by remote monitoring center operating personnel
To main remote controllers, main remote controllers contact J4A-4 is disconnected, contactor KM4, KM5 release, shutdown of pumping machine；This shuts down
Selecting switch SA2 will get to remote location under mode.
3, a pumping plan for start-up and shut-down is shut down：It is taken out between assigning subloop on host computer by remote monitoring center operating personnel
Plan for start-up and shut-down to the main remote controllers of switch board, to downtime after the contacts main remote controllers J4A-4 disconnect, contactor KM4,
KM5 releases are shut down.Selecting switch SA2 will get to remote location under this halt mode.
4, error protection is shut down：When phase shortage, overload, overvoltage, under-voltage, over current fault occurs, contactor KM4, KM5 are released
It puts, shutdown of pumping machine.
As shown in figure 5, a kind of optimal technical scheme as the design, switch board are additionally provided with constant temperature dehumidification apparatus.It is permanent
Warm dehumidification device includes radiator fan, heating plate, temperature detect switch (TDS).
There are two the radiator fan is total, the two radiator fans FAN1, FAN2 are connected into temperature detect switch (TDS) ST2 to connect
Circuit, circuit two terminate working power (AC380V), when cabinet body temperature is higher than 40 DEG C, temperature detect switch (TDS) ST2 contact closures, and wind
Fan opens heat dissipation；When cabinet body temperature is less than 40 DEG C, the contacts temperature detect switch (TDS) ST2 disconnect, and fan is closed.
There are two the heating plate is total, the two heating plates connect into series loop, circuit both ends with temperature detect switch (TDS) ST1
Working power (AC380V) is connect, when cabinet internal temperature is less than 20 DEG C, temperature detect switch (TDS) ST1 contact closures, heating plate electrified regulation
Dehumidifying；When cabinet internal temperature is higher than 20 DEG C, the contacts temperature detect switch (TDS) ST1 disconnect, heating plate power-off.
As shown in fig. 6, a kind of optimal technical scheme as the design, outer side of door is additionally provided with major loop in the cabinet
Operation button group 1. with subloop operation button group 2..
1. selecting switch is used to select long-range/local control mode of major loop, start, 1. stop button is used for local control
Major loop break-make carrys out start and stop pumping unit.
2. selecting switch is used to select long-range/local control mode of subloop, start, 2. stop button is used for local control
Subloop break-make carrys out start and stop pumping unit.
As a kind of optimal technical scheme of the design, it is provided with circuit breaker operation mechanism on the outside of the interior cabinet door, open circuit
Device operating mechanism includes bypass breaker operating mechanism and switch board power circuit breaker operating mechanism, bypass breaker operating mechanism
For controlling subloop on/off, switch board power circuit breaker operating mechanism is for controlling switch board general supply break-make.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the description in above embodiments and description only illustrates the present invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
It defines.
Claims (10)
1. a kind of beam pumping unit turns star-like energy saving in running switch board, it is characterised in that：
Include cabinet external door, cabinet inside door and the head cover of control cabinet and connection on the cabinet, the cabinet external door and cabinet
Two air spring struts are installed between body, door status switch component and the outer door lock of cabinet, institute are provided on the cabinet external door
Time programming controller and switch button box are provided on the cabinet inside door stated, circuit includes primary circuit in the switch board
And secondary circuit, the primary circuit include mainly that triangular form starts turn star-like energy saving in running circuit and triangular form startup and fortune
Row circuit, it is common major loop that triangular form, which starts and turns star-like energy saving in running circuit, and triangular form starts and operation circuit is in major loop
It is used when failure, is spare subloop, primary circuit connection relation is：Three phase mains input terminal connects switch board general supply open circuit
Device input terminal, general supply breaker output end connect major loop and subloop respectively, and the major loop is contacted by three vacuum communications
Device forms, and the subloop is made of two contactors, the major loop and subloop respectively by two motor protecters after
Parallel connection, is finally connected to two outlet terminals, the two outlet terminals connect the winding of beam pumping unit motor, the secondary returning
Road includes that the communication loop of switch board and host computer, working state monitoring circuit, major loop and subloop start-up and shut-down control return
Road, analog measurement circuit, error protection alarm circuit, the major loop control loop include being mounted on walking beam on pumping units
Triangular form turn star-like control module A and the triangular form that is arranged in switch board turns star-like control module B.
2. beam pumping unit according to claim 1 turns star-like energy saving in running switch board, it is characterised in that：It is described secondary
The communication loop in circuit includes main remote controllers, secondary remote controllers, wireless collection box and communication antenna seat, the cabinet top
Lid is equipped with 3 communication antenna seats, 3 communication antenna seats by radio frequency line be respectively connected to corresponding major and minor remote controllers,
The ZigBee antennal interfaces of data acquisition box.
3. beam pumping unit according to claim 1 turns star-like energy saving in running switch board, it is characterised in that：It is described secondary
The working state monitoring circuit in circuit includes main remote controllers, secondary remote controllers, time programming controller, power pack, electricity
The On-off signal terminal of machine protector, contactor, door status switch, switch button, major and minor remote controllers is distinguished by conducting wire
It is tactile to be connected to time programming controller, power pack, motor protecter, door status switch, contactor, the working condition of switch button
Point.
4. beam pumping unit according to claim 1 turns star-like energy saving in running switch board, it is characterised in that：It is described secondary
The major loop control loop in circuit include triangular form turn star-like control module A and B, main remote controllers, time programming controller,
Motor protecter, relay, contactor, current transformer, switch button, the triangular form turn star-like control module A and B, lead to
Cross built-in ZigBee module and realize wireless telecommunications, the triangular form turn star-like control module B by conducting wire and relay, contact
Device is connected, the major loop control terminals of the main remote controllers by conducting wire and time programming controller, motor protecter, after
Electric appliance, contactor, switch button are connected, and time programming controller passes through conducting wire and main remote controllers, current transformer phase
Even.
5. beam pumping unit according to claim 1 turns star-like energy saving in running switch board, it is characterised in that：It is described secondary
The subloop control loop in circuit includes main remote controllers, motor protecter, relay, contactor, switch button, the master
The subloop control terminal of remote controllers is connected with motor protecter, relay, contactor, switch button respectively by conducting wire
It connects.
6. beam pumping unit according to claim 1 turns star-like energy saving in running switch board, it is characterised in that：It is described secondary
The analog measurement circuit in circuit includes primary and secondary remote controllers and analog quantity terminal board, power param eter supervision instrument, Current Mutual Inductance
Device, wireless collection box, power pack, analog quantity terminal board are connected to primary and secondary remote controllers analog input end by shielding line
Son, power param eter supervision instrument, wireless collection box are connected to main remote controllers by 485 interfaces, and power param eter supervision instrument passes through
Conducting wire is connect with current transformer, and power pack DC power output end is respectively connected to major and minor remote controllers, analog quantity end
The DC power supply terminal of sub- box, wireless collection box.
7. beam pumping unit according to claim 1 turns star-like energy saving in running switch board, it is characterised in that：It is described secondary
The error protection alarm circuit in circuit include main remote controllers, secondary remote controllers, door status switch, time programming controller,
Power pack and motor protecter, the On-off signal terminals of primary and secondary remote controllers by conducting wire respectively with door status switch, time
Programmable controller, power pack, the alarm actuating contact of motor protecter are connected.
8. beam pumping unit according to claim 1 turns star-like energy saving in running switch board, it is characterised in that：The cabinet
Outer doorjamb and cabinet interior door frame are equipped with elastic rubber sealing strip with cabinet corresponding position, are weather seal after cabinet door closing
State.
9. beam pumping unit according to claim 1 turns star-like energy saving in running switch board, it is characterised in that：The cabinet
Interior outer side of door is provided with two circuit breaker operation mechanisms, and one is switch board general supply circuit breaker operation mechanism, the other is other
Circuit breaker operating mechanism.
10. beam pumping unit according to claim 1 turns star-like energy saving in running switch board, it is characterised in that：The cabinet
Internal outer side of door is provided with major loop operation button group and subloop operation button group.
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| CN201810312522.3A CN108336747B (en) | 2018-04-09 | 2018-04-09 | Star-shaped running energy-saving control cabinet of beam pumping unit |
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| CN201810312522.3A CN108336747B (en) | 2018-04-09 | 2018-04-09 | Star-shaped running energy-saving control cabinet of beam pumping unit |
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| CN108336747B (en) | 2024-04-26 |
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