CN103389664B - Intelligent electric motor protection and control device - Google Patents
Intelligent electric motor protection and control device Download PDFInfo
- Publication number
- CN103389664B CN103389664B CN201310293592.6A CN201310293592A CN103389664B CN 103389664 B CN103389664 B CN 103389664B CN 201310293592 A CN201310293592 A CN 201310293592A CN 103389664 B CN103389664 B CN 103389664B
- Authority
- CN
- China
- Prior art keywords
- mainboard
- controller
- processing unit
- output
- vacuum contactor
- 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.)
- Active
Links
Landscapes
- Programmable Controllers (AREA)
Abstract
An intelligent electric motor protection and control device can solve the problems of complicated wiring installation and debugging, high failure rate, low safety and joint of traditional devices. An input wiring terminal is connected with a disconnector which is connected with a vacuum contactor, the vacuum contactor is connected with an output wiring terminal, a power supply unit and a voltage signal processing unit are respectively connected between the disconnector and the vacuum contactor; a circuit mutual inductor is connected between the vacuum contactor and the output wiring terminal; the power supply unit is arranged on a mainboard onto which a controller is connected, the controller is connected with the voltage signal processing unit, a current signal processing unit, a control processing unit, an input module, a display, a storage and an RS232 communication interface respectively, the current signal processing unit is connected with the circuit mutual inductor, and the output control processing unit is connected with the vacuum contactor. The intelligent electric motor protection and control device is easy to install and uninstall, integrated, unified, convenient, flexible, very easy to repair and safe and reliable in processes of usage, operation and maintenance.
Description
Technical field
The invention belongs to application of electronic technology field, relate to oil field motor protection control device, specifically intelligent electric machine protecting control device.
Background technology
Along with the development of science and technology, switch board in oil field is popularized gradually, staff's also recognizing gradually, to the protection of motor in oil pumper and the importance of control, but, in traditional electric motor protecting control circuit, be difficult to realize the collection to various electrical parameter, output and Long-distance Control combine in a circuit, therefore in order to realize these functions, the components and parts of various necessity are independently connected in switch board, to realize their respective function respectively, but this traditional equipment also exists installation wiring and combined debugging is very loaded down with trivial details, failure rate is high, fault verification and eliminating need certain experience and time, and security is low, the problem of threat is brought to the personal safety of staff, simultaneously, in order to use, change and process conveniently in traditional electric equipment and circuit, generally adopt A.C. contactor and electrothermal relay etc., but A.C. contactor is after super-high-current, frequent start-stop, easily cause contact adhesion or ablation, causing trouble rate is high, often changes and causes the wasting of resources, and electrothermal relay exists large and problems such as function singleness coarse, affected by environment of adjusting.
Summary of the invention
The technical matters that the present invention proposes for solving foregoing, the technical scheme taked is as follows:
Intelligent electric machine protecting control device, comprise housing, be fixed on input wires terminal on housing and output wiring terminal, described input wires terminal is connected with the input end of disconnector, the output terminal of disconnector is connected with the input end of vacuum contactor, the output terminal of vacuum contactor and outlet terminal sub-connection, be connected to power supply unit and voltage signal processing unit between disconnector and vacuum contactor, between vacuum contactor and output wiring terminal, be connected with current transformer, described power supply unit is located on mainboard, and the output terminal of power supply unit is connected with mainboard, mainboard is fixing in the housing, mainboard is connected to controller, the voltage signal inputs of controller is connected with voltage signal processing unit by mainboard, the current signal input end of controller is connected with current signal processing unit by mainboard, the input end of current signal processing unit is connected with current transformer, the control output end of controller is connected with output controlled processing unit by mainboard, the output terminal exporting controlled processing unit is connected with vacuum contactor, the control input end of controller is connected with the load module be fixed on housing, the display data output end of controller is connected with display by mainboard, the storage data input/output terminal of controller is connected with storer by mainboard, controller is connected with RS232 communication interface by mainboard.
The input end of described power supply unit is connected with air switch.
Described controller is connected with external start and stop socket by mainboard.
Described output controlled processing unit comprises relay and amplifying circuit, and the output terminal of its repeat circuit is connected with vacuum contactor, and the input end of relay is connected with amplifying circuit, and the input end of amplifying circuit is connected with controller.
Described controller is single-chip microcomputer, and is embedded with software program in single-chip microcomputer.
On described housing, output wiring terminal side is fixed with output wiring terminal for subsequent use.
Described hull outside is provided with at least two fasteners.
Beneficial effect of the present invention: power supply unit is respectively need electrical component bulk supply by mainboard, voltage signal processing unit and current signal processing unit acquisition and processing voltage and current data respectively, and be supplied to controller, controller is by calculating, analyze and process out corresponding data, and data are shown by display, for staff, data are stored in storer simultaneously, controller is given and is exported controlled processing unit, thus control electric machine operation state by vacuum contactor, staff can be controlled and the course of work of operation control and action etc. by load module, also the equipment connection such as RS232 level communication interface and computing machine can be passed through, thus the effect reached with the communication of this device and control, in installation process, only need will input, output wiring terminal is exact connect ion respectively, without the need to loaded down with trivial details, complicated wiring one by one, while staff adds safety assurance, also the effect that an equipment realizes several functions is reached, and easily install, quick detachable, and integration, unitized, convenient, flexibly, very easily in maintenance, use, operation and maintenance process safe and reliable, install, wiring and combined debugging simple, failure rate is low, security is high, guarantee is brought to the personal safety of staff, and it is not overall because of it incidentally to solve legacy equipment, not integrated and not intelligent and related property Problems existing.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
In figure: 1-housing, 2-input wires terminal, 3-output wiring terminal, 4-disconnector, 5-vacuum contactor, 6-power supply unit, 7-voltage signal processing unit, 8-current transformer, 9-mainboard, 10-controller, 11-current signal processing unit, 12-exports controlled processing unit, 13-load module, 14-display, 15-storer, 16-RS232 communication interface, 17-air switch, the external start and stop socket of 18-, 19-output wiring terminal for subsequent use, 20-fastener.
Embodiment
Below in conjunction with Fig. 1 and each embodiment thereof, the present invention is described in further detail: embodiment one: intelligent electric machine protecting control device, comprise housing 1, be fixed on the input wires terminal 2 on housing 1 and output wiring terminal 3, described input wires terminal 2 is connected with the input end of disconnector 4, while playing electrical isolation effect, weaken the potential safety hazard of service work personnel, the output terminal of disconnector 4 is connected with the input end of vacuum contactor 5, make device withstand voltage, high operating frequency and the life-span long, without the need to repeatedly overhauling, help and improve relay operating time, the output terminal of vacuum contactor 5 is connected with output wiring terminal 3, power supply unit 6 and voltage signal processing unit 7 is connected between disconnector 4 and vacuum contactor 5, current transformer 8 is connected with between vacuum contactor 5 and output wiring terminal 3, described power supply unit 6 is located on mainboard 9, and the output terminal of power supply unit 6 is connected with mainboard 9, electric power is changed and is supplied to mainboard 9 by power supply unit 6, thus by mainboard 9 for the electric equipment of each need provides electric power, mainboard 9 is fixing within the case 1, mainboard 9 is connected to controller 10, the voltage signal inputs of controller 10 is connected with voltage signal processing unit 7 by mainboard 9, thus acquisition voltage data, the current signal input end of controller 10 is connected with current signal processing unit 11 by mainboard 9, thus acquisition current data, and make treatment and analysis, the input end of current signal processing unit 11 is connected with current transformer 8, this current transformer 8 can adopt measurement formula or protection as required, the present invention is in practice process, what adopt is measurement formula, so that measure, statistics electric current, the control output end of controller 10 is connected with output controlled processing unit 12 by mainboard 9, so that control electric machine operation state, the output terminal exporting controlled processing unit 12 is connected with vacuum contactor 5, the control input end of controller 10 is connected with the load module 13 be fixed on housing 1, thus can by the course of work of load module 13 operation control 10 and content, the display data output end of controller 10 is connected with display 14 by mainboard 9, desired data is shown, the storage data input/output terminal of controller 10 is connected with storer 15 by mainboard 9, store necessary related data, controller 10 is connected with RS232 communication interface 16 by mainboard 9, for being connected with computing machine, thus transmitting data information, control the duty of this device, mainboard 9 can also connect the input interface of the such as data such as pressure, temperature, and each interface is connected with controller 10 respectively, facilitates the use the function of this device expansion switch board.
The beneficial effect of present embodiment: in installation process, only need will input, output wiring terminal is exact connect ion respectively, without the need to loaded down with trivial details, complicated wiring one by one, while staff adds safety assurance, also the effect that an equipment realizes several functions is reached, and easily install, quick detachable, and integration, unitized, convenient, flexibly, very easily in maintenance, use, operation and maintenance process safe and reliable, the installation wiring and the combined debugging that effectively solve legacy equipment existence are very loaded down with trivial details, failure rate is high, fault verification and eliminating need certain experience and time, and security is low, the problem of threat is brought to the personal safety of staff, and it is not overall because of it incidentally to solve legacy equipment, not integrated and not intelligent and related property Problems existing, the technique effect reached after this device uses in oil field expected beyond technician.
Embodiment two: present embodiment and embodiment one different be in: the input end of described power supply unit 6 is connected with air switch 17, so that whether control device powers, is that safety improves and ensures; Other guide is identical with embodiment one.
Embodiment three: present embodiment and embodiment one or two different be in: described controller 10 is connected with external start and stop socket 18 by mainboard 9, external start and stop socket 18 can access start-stop button by long lead, so that the start and stop of remotely controlled plant, while handled easily, also improve safety; Other guide is identical with embodiment one.
Embodiment four: present embodiment and embodiment one to three different be in: described output controlled processing unit 12 comprises relay and amplifying circuit, the output terminal of its repeat circuit is connected with vacuum contactor 5, the input end of relay is connected with amplifying circuit, the input end of amplifying circuit is connected with controller 10, the content of present embodiment limits further content of the present invention and explains, do not represent that the output controlled processing unit 12 in embodiment one does not comprise relay and amplifying circuit.
Embodiment five: present embodiment and embodiment one to four different be in: described controller 10 is single-chip microcomputer, and is embedded with software program in single-chip microcomputer, so that better realize the function of this device.
Embodiment six: present embodiment and embodiment one to five different be in: on described housing 1, output wiring terminal 3 side is fixed with output wiring terminal 19 for subsequent use, and output wiring terminal 19 for subsequent use is for connecting three vacant pin of motor under special circumstances; Other guide is identical with embodiment one.
Embodiment seven: present embodiment and embodiment one to six different be in: be provided with at least two fasteners 20 outside described housing 1, so that be stabilized in switch board by this device, wherein the optimum number of fastener is four; Other guide is identical with embodiment one.
Claims (1)
1. intelligent electric machine protecting control device, comprise housing (1), be fixed on the input wires terminal (2) on housing (1) and output wiring terminal (3), it is characterized in that: described input wires terminal (2) is connected with the input end of disconnector (4), the output terminal of disconnector (4) is connected with the input end of vacuum contactor (5), the output terminal of vacuum contactor (5) is connected with output wiring terminal (3), power supply unit (6) and voltage signal processing unit (7) is connected between disconnector (4) and vacuum contactor (5), current transformer (8) is connected with between vacuum contactor (5) and output wiring terminal (3), described power supply unit (6) is located on mainboard (9), and the output terminal of power supply unit (6) is connected with mainboard (9), mainboard (9) is fixed in housing (1), mainboard (9) is connected to controller (10), the voltage signal inputs of controller (10) is connected with voltage signal processing unit (7) by mainboard (9), the current signal input end of controller (10) is connected with current signal processing unit (11) by mainboard (9), the input end of current signal processing unit (11) is connected with current transformer (8), the control output end of controller (10) is connected with output controlled processing unit (12) by mainboard (9), the output terminal exporting controlled processing unit (12) is connected with vacuum contactor (5), the control input end of controller (10) is connected with the load module (13) be fixed on housing (1), the display data output end of controller (10) is connected with display (14) by mainboard (9), the storage data input/output terminal of controller (10) is connected with storer (15) by mainboard (9), controller (10) is connected with RS232 communication interface (16) by mainboard (9), described mainboard (9) is provided with pressure data input interface and temperature data input interface, described pressure data input interface and temperature data input interface are connected with controller (10) respectively by mainboard (9), the input end of described power supply unit (6) is connected with air switch (17), described controller (10) is connected with external start and stop socket (18) by mainboard (9), described output controlled processing unit (12) comprises relay and amplifying circuit, the output terminal of its repeat circuit is connected with vacuum contactor (5), the input end of relay is connected with amplifying circuit, the input end of amplifying circuit is connected with controller (10), described controller (10) is single-chip microcomputer, and be embedded with software program in single-chip microcomputer, upper output wiring terminal (3) side of described housing (1) is fixed with output wiring terminal for subsequent use (19), described housing (1) outside is provided with at least two fasteners (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310293592.6A CN103389664B (en) | 2013-07-11 | 2013-07-11 | Intelligent electric motor protection and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310293592.6A CN103389664B (en) | 2013-07-11 | 2013-07-11 | Intelligent electric motor protection and control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103389664A CN103389664A (en) | 2013-11-13 |
| CN103389664B true CN103389664B (en) | 2015-07-01 |
Family
ID=49533963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310293592.6A Active CN103389664B (en) | 2013-07-11 | 2013-07-11 | Intelligent electric motor protection and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103389664B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226615A (en) * | 2015-10-17 | 2016-01-06 | 界首市鑫洋机电有限公司 | A kind of intelligent digitalized electrical fault detecting and controlling system |
| CN113534709B (en) * | 2021-07-13 | 2022-09-16 | 马友亮 | Oil well data acquisition and motor protection control system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2667768Y (en) * | 2003-12-25 | 2004-12-29 | 刘海波 | Intelligent motor controller |
| CN1909317A (en) * | 2006-08-14 | 2007-02-07 | 上海万谱电器有限公司 | Motor protection device |
| CN201315477Y (en) * | 2008-11-27 | 2009-09-23 | 苏州万龙集团有限公司 | Low-voltage motor protective device |
| US7676333B2 (en) * | 2007-11-06 | 2010-03-09 | General Electric Company | Method and apparatus for analyzing partial discharges in electrical devices |
| CN202094607U (en) * | 2011-06-28 | 2011-12-28 | 北京易投嘉德投资咨询有限公司 | Protective device for low-tension motor |
| CN102655321A (en) * | 2012-02-20 | 2012-09-05 | 太原理工大学 | Motor fault protection device of motor |
| CN103109430A (en) * | 2011-05-17 | 2013-05-15 | 中山大洋电机制造有限公司 | Protection circuit of DC brush motor |
| CN203338059U (en) * | 2013-07-11 | 2013-12-11 | 马友亮 | Intelligent motor protection control device |
-
2013
- 2013-07-11 CN CN201310293592.6A patent/CN103389664B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2667768Y (en) * | 2003-12-25 | 2004-12-29 | 刘海波 | Intelligent motor controller |
| CN1909317A (en) * | 2006-08-14 | 2007-02-07 | 上海万谱电器有限公司 | Motor protection device |
| US7676333B2 (en) * | 2007-11-06 | 2010-03-09 | General Electric Company | Method and apparatus for analyzing partial discharges in electrical devices |
| CN201315477Y (en) * | 2008-11-27 | 2009-09-23 | 苏州万龙集团有限公司 | Low-voltage motor protective device |
| CN103109430A (en) * | 2011-05-17 | 2013-05-15 | 中山大洋电机制造有限公司 | Protection circuit of DC brush motor |
| CN202094607U (en) * | 2011-06-28 | 2011-12-28 | 北京易投嘉德投资咨询有限公司 | Protective device for low-tension motor |
| CN102655321A (en) * | 2012-02-20 | 2012-09-05 | 太原理工大学 | Motor fault protection device of motor |
| CN203338059U (en) * | 2013-07-11 | 2013-12-11 | 马友亮 | Intelligent motor protection control device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103389664A (en) | 2013-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202049222U (en) | Electric meter with relay state monitoring function | |
| CN103389664B (en) | Intelligent electric motor protection and control device | |
| CN203338059U (en) | Intelligent motor protection control device | |
| CN103885375A (en) | Console displaying and monitoring system | |
| CN203445507U (en) | Brush generator set integrated intelligent control screen | |
| CN206117293U (en) | Each other is equipped with control circuit industrial furnace fan dual supply converter | |
| CN211720552U (en) | Wireless data transmission device for control cabinet | |
| CN201408251Y (en) | Modularized microcomputer electromotor protective and monitoring device | |
| CN204925846U (en) | Integrated monitoring device of switchgear humiture | |
| CN203800580U (en) | Intelligent controller for low voltage breaker | |
| CN203339798U (en) | Fire-fighting linkage power supply module | |
| CN105242101A (en) | Electric power protection system | |
| CN100499329C (en) | Switch power source digital controller with digital communication function | |
| CN204068735U (en) | The universal power module of a kind of power automatic system | |
| CN203445508U (en) | Brushless hydroelectric generating unit intelligent control screen | |
| CN204168113U (en) | A kind of detection type supply unit | |
| CN204405802U (en) | A kind of detection SF 6the device of density monitor | |
| CN203812035U (en) | Console displaying and monitoring system | |
| CN203490308U (en) | Double-configuration relay protection verification auxiliary apparatus | |
| CN202424620U (en) | Motor controller | |
| CN211577352U (en) | Electrified calibration equipment of sulfur hexafluoride density relay | |
| CN213023443U (en) | Temperature control system architecture of automatic integrated circuit tester | |
| CN102508487A (en) | Efficient detection device for motor control modules | |
| CN207664895U (en) | A kind of Large Synchronous Machine variable frequency starting control device | |
| CN213457161U (en) | Secondary circuit testing arrangement under electronic isolation switch operating mode that does not have a power failure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |