CN203415944U - Output-control switching module - Google Patents
Output-control switching module Download PDFInfo
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- CN203415944U CN203415944U CN201320518072.6U CN201320518072U CN203415944U CN 203415944 U CN203415944 U CN 203415944U CN 201320518072 U CN201320518072 U CN 201320518072U CN 203415944 U CN203415944 U CN 203415944U
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- power supply
- connects
- relay
- interface
- diode
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Abstract
The utility model discloses an output-control switching module which comprises a first power-supply V1 interface unit, a second power-supply V1 interface unit, and a dry contact interface TC unit, wherein the first power-supply V1 interface unit, the second power-supply V1 interface unit and the dry contact interface TC unit are in parallel connection. The dry contact interface TC unit comprises a power supply TC+, a power supply TC-, a zero-ohm resistor R41, a relay REY1, and a diode D34. The normally-open contact (a fourth end) of the relay REY1 is in series connection with the zero-ohm resistor R41 and then connected with the power supply TC-. The normally-closed contact (a third end) of the relay REY1 is connected with the power supply TC+. Two ends (a first end and a second end) of the coil of the relay REY1 are in series connection with the diode D34. The positive electrode of the diode D34 is connected to a driving chip and used for supplying a control signal. The output-control switching module provides interfaces for three schemes through the above scheme, and leaves a user with an interface which is convenient for specific application. The output-control switching module is good in extension performance and practicality.
Description
Technical field
The utility model belongs to electric equipment field, relates to a kind of control output switching module, and the output that can be used for microcomputer protecting device is controlled.
Background technology
In electric power system, due to factors such as external force, overvoltage, ageing of insulation, operate miss, design defect, can there is the faults such as ground connection, short circuit, overload, operations staff's safety and equipment are worked the mischief.For the harm that reduces or avoid bringing thus, adopt protective relaying device to distinguish normal, the undesired and malfunction of electric power, and make corresponding processing, as safeguard measures such as signalling and tripping operations.At present, be generally by microcomputer protecting device, the above-mentioned equipment of safeguard protection that needs to be protected.
Existing microcomputer protecting device is widely used in the protective device of the primary equipments such as transformer that the inlet wire, feeder line, plant stand of the systems such as power plant, transformer station, power distribution station, switchyard use, mother, capacitor, motor, standby throwing, PT, also can be used for protection and the observing and controlling of electric current and voltage.It is generally comprised of parts such as central controller, voltage (or electric current) instrument transformer, relay, switch power modules; central controller is sampled voltage (or electric current) signal in voltage (or electric current) instrument transformer; and this voltage (or electric current) is analyzed; when judgement is broken down; the passive closing of contact of control relay; in the loop of the equipment that the passive contact access of this relay needs protection, control this loop action, thus achieve a butt joint into the protection of equipment.
But the output of existing microcomputer protecting device is fixed, and can not if user needs self defined interface, need again to change circuit structure by User Defined, and it is with high costs and need professional and technical personnel to realize, and to user, brings very large inconvenience.
Utility model content
Therefore, for above-mentioned problem, the utility model proposes a kind of control output switching module, the interface of at least three kinds of schemes is provided, wherein at least one is by User Defined, has good autgmentability, thereby solves the deficiency of prior art.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is, a kind of control output switching module, comprise the first power supply V1 interface unit, second source V2 interface unit and the dry contact interface tc unit that are connected in parallel, described dry contact interface tc unit comprises power supply TC+, power supply TC-, 0 Europe resistance R 41, relay R EY1 and diode D34, the normally opened contact of relay R EY1 (the 4th end) the rear connection power supply of 0 Europe resistance R 41 TC-that connects, the normally-closed contact of relay R EY1 (the 3rd end) connects power supply TC+; The two ends of the coil of relay R EY1 (first end and the second end) series diode D34, the anode of diode D34 is connected to driving chip, for control signal is provided.
Further, described dry contact interface tc unit also comprises capacitor C 1, and capacitor C 1 is series between power supply TC+ and power supply TC-.
Further, described dry contact interface tc unit also comprises diode D11, and the anode of diode D11 connects power supply TC+, and the negative terminal of diode D11 is connected to the first power supply V1 interface unit and second source V2 interface unit.
Further, described the first power supply V1 interface unit comprises power supply V1+, power supply V1-, 0 Europe resistance R B51 and 0 Europe resistance R B52, power supply V1+ connects and connects the normally opened contact of relay R EY1 after 0 Europe resistance R B51, and power supply V1-connects and connects the negative terminal of diode D11 after 0 Europe resistance R B52.
Further, described second source V2 interface unit comprises power supply V2+, power supply V2-, 0 Europe resistance R B61 and 0 Europe resistance R B62, power supply V2+ connects and connects the normally opened contact of relay R EY1 after 0 Europe resistance R B61, and power supply V2-connects and connects the negative terminal of diode D11 after 0 Europe resistance R B62.
Control output switching module of the present utility model, by such scheme, provides the interface of three kinds of schemes, and to the reserved Liao Yi of user road interface, facilitates user for special purpose, has good scalability and practicality.
Accompanying drawing explanation
Fig. 1 is the theory diagram of control output switching module of the present utility model
Fig. 2 is the circuit theory diagrams of embodiment of the present utility model.
Embodiment
Now with embodiment, the utility model is further illustrated by reference to the accompanying drawings.
With reference to Fig. 1, a kind of control output switching module, comprises the first power supply V1 interface unit, second source V2 interface unit and the dry contact interface tc unit that are connected in parallel.
As a specific embodiment, with reference to Fig. 2, described dry contact interface tc unit comprises power supply TC+, power supply TC-, 0 Europe resistance R 41, relay R EY1 and diode D34, the normally opened contact of relay R EY1 (the 4th end) the rear connection power supply of 0 Europe resistance R 41 TC-that connects, the normally-closed contact of relay R EY1 (the 3rd end) connects power supply TC+; The two ends of the coil of relay R EY1 (first end and the second end) series diode D34, the anode of diode D34 is connected to driving chip, for control signal is provided.Wherein, the spare interface that TC+, power supply TC-provide for user.
Described dry contact interface tc unit also comprises capacitor C 1, and capacitor C 1 is series between power supply TC+ and power supply TC-.Described dry contact interface tc unit also comprises diode D11, and the anode of diode D11 connects power supply TC+, and the negative terminal of diode D11 is connected to the first power supply V1 interface unit and second source V2 interface unit.
Described the first power supply V1 interface unit comprises power supply V1+, power supply V1-, 0 Europe resistance R B51 and 0 Europe resistance R B52, power supply V1+ connects and connects the normally opened contact of relay R EY1 after 0 Europe resistance R B51, and power supply V1-connects and connects the negative terminal of diode D11 after 0 Europe resistance R B52.In the present embodiment, power supply V1+ is 24V, power supply V1-ground connection.
Described second source V2 interface unit comprises power supply V2+, power supply V2-, 0 Europe resistance R B61 and 0 Europe resistance R B62, power supply V2+ connects and connects the normally opened contact of relay R EY1 after 0 Europe resistance R B61, and power supply V2-connects and connects the negative terminal of diode D11 after 0 Europe resistance R B62.In the present embodiment, power supply V2+ is 220V, power supply V2-ground connection.
When concrete use; control output switching module of the present utility model can be used for the tripping operation of microcomputer protecting device and controls outlet; the coil of relay R EY1 the second end is connected to driving chip; for it provides control signal; drive chip to be connected to equipment to be controlled (for example circuit breaker), and then realize the tripping operation control of this equipment to be controlled.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but those skilled in the art should be understood that; within not departing from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (5)
1. control output switching module for one kind, it is characterized in that: comprise the first power supply V1 interface unit, second source V2 interface unit and the dry contact interface tc unit that are connected in parallel, described dry contact interface tc unit comprises power supply TC+, power supply TC-, 0 Europe resistance R 41, relay R EY1 and diode D34, the normally opened contact of the relay R EY1 rear connection power supply of 0 Europe resistance R 41 TC-that connects, the normally-closed contact of relay R EY1 connects power supply TC+; The two ends series diode D34 of the coil of relay R EY1.
2. control output switching module according to claim 1, is characterized in that: described dry contact interface tc unit also comprises capacitor C 1, and capacitor C 1 is series between power supply TC+ and power supply TC-.
3. control output switching module according to claim 2, it is characterized in that: described dry contact interface tc unit also comprises diode D11, the anode of diode D11 connects power supply TC+, and the negative terminal of diode D11 is connected to the first power supply V1 interface unit and second source V2 interface unit.
4. control output switching module according to claim 3, it is characterized in that: described the first power supply V1 interface unit comprises power supply V1+, power supply V1-, 0 Europe resistance R B51 and 0 Europe resistance R B52, power supply V1+ connects and connects the normally opened contact of relay R EY1 after 0 Europe resistance R B51, and power supply V1-connects and connects the negative terminal of diode D11 after 0 Europe resistance R B52.
5. control output switching module according to claim 3, it is characterized in that: described second source V2 interface unit comprises power supply V2+, power supply V2-, 0 Europe resistance R B61 and 0 Europe resistance R B62, power supply V2+ connects and connects the normally opened contact of relay R EY1 after 0 Europe resistance R B61, and power supply V2-connects and connects the negative terminal of diode D11 after 0 Europe resistance R B62.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518072.6U CN203415944U (en) | 2013-08-23 | 2013-08-23 | Output-control switching module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320518072.6U CN203415944U (en) | 2013-08-23 | 2013-08-23 | Output-control switching module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415944U true CN203415944U (en) | 2014-01-29 |
Family
ID=49978803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320518072.6U Expired - Fee Related CN203415944U (en) | 2013-08-23 | 2013-08-23 | Output-control switching module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415944U (en) |
-
2013
- 2013-08-23 CN CN201320518072.6U patent/CN203415944U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20200823 |