CN201877880U - Motor controlled switching circuit for primary/standby equipment - Google Patents
Motor controlled switching circuit for primary/standby equipment Download PDFInfo
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- CN201877880U CN201877880U CN2010202821931U CN201020282193U CN201877880U CN 201877880 U CN201877880 U CN 201877880U CN 2010202821931 U CN2010202821931 U CN 2010202821931U CN 201020282193 U CN201020282193 U CN 201020282193U CN 201877880 U CN201877880 U CN 201877880U
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- power supply
- current detection
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Abstract
The utility model discloses a motor controlled switching circuit for primary/standby equipment. The motor controlled switching circuit comprises two switches, two contactors, two voltage detection loops, two current detection loops and an intelligent processing device, wherein the two switches are respectively used for switching between two power supplies of a load I and a load II; the two contactors are respectively used for the inputting and the disconnection of the load I and the load II; the two voltage detection loops are respectively used for converting signals of a power supply I and a power supply II and transmitting the converted signals to the intelligent processing device; the two current detection loops are respectively used for converting the converted signals of current signals of the load I and the load II and transmitting the converted signals into the intelligent processing device; and the intelligent processing device is used for switching between and controlling the load I and the load II. The motor controlled switch circuit for the primary/standby equipment has the advantages of advanced technology, high reliability and perfect comprehensive protection functions.
Description
Technical field
The utility model belongs to a kind of control circuit of technical field of automatic control, particularly a kind of master/slave device Electric Machine Control commutation circuit that is used for.
Background technology
In some special or important fields, system usually adopts the operational mode of active and standby motor, and promptly main motor normally moves, and standby motor is in stand-by state.When main motor broke down, standby motor put into operation automatically, guaranteed the reliability of system.The criterion that conventional active and standby motor method for handover control adopts adopts pressure or flow etc. usually, does not consider the power supply situation.Or be divided into several subsystems and control respectively, thereby make the switching controls complexity, and the function imperfection, unreliable.
Summary of the invention
The purpose of this utility model is, a kind of master/slave device Electric Machine Control commutation circuit that is used for is provided, and this circuit makes active and standby motor switching controls have higher reliability, possesses perfect integrated protection function simultaneously.
For realizing above-mentioned task, the utility model is taked following technical solution:
A kind of master/slave device Electric Machine Control commutation circuit that is used for is characterized in that this circuit comprises two diverter switches, two contactors, two voltage detecting loops, two current detection circuits and an Intelligent treatment device;
Two diverter switches are respectively applied for the switching of the duplex feeding power supply of first load and second load;
Two contactors are respectively applied for the input and the disconnection of first load and second load;
Two voltage detecting loops, the voltage signal that is respectively applied for first power supply and second source is changed, and the signal of conversion is sent to the Intelligent treatment device;
Two current detection circuits are respectively applied for the conversion of first load and second load current signal, and the signal of conversion is sent to the Intelligent treatment device;
The Intelligent treatment device is used for switching, the control of first load and second load;
First load links to each other with second source with first power supply with diverter switch by the contactor of series connection respectively with second load, two voltage detecting loops, two current detection circuits, two diverter switches are connected with the Intelligent treatment device respectively with two contactors, wherein, the other end of two current detection circuits is connected after two diverter switches.
Other characteristics of the present utility model are: described Intelligent treatment device comprises CPU, relay group, memory, touch-screen, signal amplifier, network interface and binding post.
Master/slave device Electric Machine Control commutation circuit of the present utility model has not only adopted conventional criterions such as pressure or flow, also the criterion of power supply dead electricity is merged wherein simultaneously, and has increased the integrated protection function, makes switching advanced, more reliable more.Possess skills advanced person, reliability height possess perfect integrated protection function simultaneously.
Description of drawings
Fig. 1 is an electrical schematic diagram of the present utility model;
Fig. 2 is a block diagram of the present utility model;
Below in conjunction with accompanying drawing the utility model is described in further detail.
Embodiment
Referring to Fig. 1～2, present embodiment be used for master/slave device Electric Machine Control commutation circuit, comprising: two each and every one diverter switches (5,6), two contactors (9,10), two voltage detecting loops (3,4), two current detection circuits (7,8) and an Intelligent treatment device 13; Load I and load II are as main motor and standby motor, by power supply I 1 and 2 power supplies of power supply II.
The load I links to each other with power supply I 1 with diverter switch 5 by the contactor 9 of series connection;
The load II links to each other with power supply II 2 with diverter switch 6 by the contactor 10 of series connection.
Two diverter switches (5,6) are respectively applied for the switching of the duplex feeding power supply I and the power supply II 2 of load I and load II;
Two contactors (9,10) are respectively applied for the input and the disconnection of load I and load II;
Two voltage detecting loops (3,4) are respectively applied for the voltage signal conversion of power supply I and power supply II 2, and the signal of conversion is sent to Intelligent treatment device 13; Two current detection circuits (7,8) are connected two diverter switches (5,6) afterwards, are respectively applied for the conversion of load I and load II current signal, and the signal of conversion is sent to Intelligent treatment device 13; Intelligent treatment device 13 is used for the switching and the control of load I and load II, and an end of two diverter switches (5,6) is connected with Intelligent treatment device 13; Intelligent treatment device 13 also respectively with voltage detecting loop (3,4), diverter switch (5,6), contactor (9,10).
1. above-mentioned CPU adopts conventional processor, memory 3., touch-screen 4., amplifier 5., 6. network interface can select according to equipment.
Claims (2)
1. one kind is used for master/slave device Electric Machine Control commutation circuit, it is characterized in that, this circuit comprises two diverter switches, two contactors, two voltage detecting loops, two current detection circuits and an Intelligent treatment device;
Two diverter switches are respectively applied for the switching of the duplex feeding power supply of first load and second load;
Two contactors are respectively applied for the input and the disconnection of first load and second load;
Two voltage detecting loops, the voltage signal that is respectively applied for first power supply and second source is changed, and the signal of conversion is sent to the Intelligent treatment device;
Two current detection circuits, the current signal that is respectively applied for first load and second load is changed, and the signal of conversion is sent to the Intelligent treatment device;
The Intelligent treatment device is used for switching, the control of first load and second load;
First load links to each other with second source with first power supply with diverter switch by the contactor of series connection respectively with second load, two voltage detecting loops, two current detection circuits, two diverter switches are connected with the Intelligent treatment device respectively with two contactors, wherein, the other end of two current detection circuits is connected after two diverter switches.
2. the master/slave device Electric Machine Control commutation circuit that is used for as claimed in claim 1 is characterized in that described Intelligent treatment device comprises CPU, relay group, memory, touch-screen, signal amplifier, network interface and binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202821931U CN201877880U (en) | 2010-08-05 | 2010-08-05 | Motor controlled switching circuit for primary/standby equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202821931U CN201877880U (en) | 2010-08-05 | 2010-08-05 | Motor controlled switching circuit for primary/standby equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877880U true CN201877880U (en) | 2011-06-22 |
Family
ID=44165789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202821931U Expired - Lifetime CN201877880U (en) | 2010-08-05 | 2010-08-05 | Motor controlled switching circuit for primary/standby equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877880U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513087A (en) * | 2013-10-11 | 2014-01-15 | 上海富欣智能交通控制有限公司 | Self-adaptation load matching current collecting switching circuit |
| CN106549485A (en) * | 2015-09-18 | 2017-03-29 | 哈尔滨飞机工业集团有限责任公司 | A kind of heading system power-switching circuit |
| CN107069935A (en) * | 2017-03-28 | 2017-08-18 | 核工业理化工程研究院 | The power switching device controlled based on PLC |
-
2010
- 2010-08-05 CN CN2010202821931U patent/CN201877880U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103513087A (en) * | 2013-10-11 | 2014-01-15 | 上海富欣智能交通控制有限公司 | Self-adaptation load matching current collecting switching circuit |
| CN103513087B (en) * | 2013-10-11 | 2016-08-17 | 上海富欣智能交通控制有限公司 | Self-adapting load matching current gathers switching circuit |
| CN106549485A (en) * | 2015-09-18 | 2017-03-29 | 哈尔滨飞机工业集团有限责任公司 | A kind of heading system power-switching circuit |
| CN107069935A (en) * | 2017-03-28 | 2017-08-18 | 核工业理化工程研究院 | The power switching device controlled based on PLC |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110622 |