CN206740891U - The state monitoring apparatus of electric secondary circuit pressing plate - Google Patents
The state monitoring apparatus of electric secondary circuit pressing plate Download PDFInfo
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- CN206740891U CN206740891U CN201720613197.5U CN201720613197U CN206740891U CN 206740891 U CN206740891 U CN 206740891U CN 201720613197 U CN201720613197 U CN 201720613197U CN 206740891 U CN206740891 U CN 206740891U
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- pressing plate
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Abstract
It the utility model is related to the state monitoring apparatus of electric secondary circuit pressing plate, with the insulator foot profile with pressing plate to adapting to and be mountable to the main body of the insulator foot, main body is provided with the opening adapted to pressing plate connection sheet, infrared emitting end and infrared receiver end are provided with the both ends of opening, and the line between infrared emitting end and infrared receiver end intersects with the connection sheet for the state of outwarding winding；Infrared emitting end and infrared receiver end are connected respectively with infrared emitting module and infrared receiver module, and infrared receiving module is connected to limited bolt by processing module and switched, and limited bolt switch is connected with the limited bolt of the open opposite sides in main body.The utility model can not influence the normal work of pressing plate when mounted, will not destroy pressing plate and shield the original structure of cabinet, and pressing plate state is detected by infrared path, it is ensured that clamp operation is in place, it is thus also avoided that the possibility of the maloperation of pressing plate.
Description
Technical field
Detection means is the utility model is related to, is concretely the state monitoring apparatus of electric secondary circuit pressing plate.
Background technology
Among the design of electric secondary circuit, often with there is the attachment structure with pressing plate, because pressing plate can be secondary
Obvious breakpoint is formed in loop, operations staff is judged the running status residing for secondary device by breakpoint, for operation
Provided great convenience with maintenance.According to the difference of pressing plate present position in secondary circuit, function pressing plate can be classified as
With the class of output clamping two.By taking the pressing plate of protective relaying device as an example, the Determines of the function pressing plate to shield are to this
The input of the defencive function of device exits, and protection exit pressing plate then determines the result of the device action.Do not put into
On the premise of protection exit pressing plate, even if protection device has carried out correct logic judgment, it can not also act in tripping operation.
The nominal situation of pressing plate is as shown in Figures 1 to 4.Fig. 1 and Fig. 2 represents that pressing plate is in and exits state, and pressing plate passes through exhausted
Edge base 30 is arranged on secondary device screen cabinet, and insulator foot 30 is coated with 20 conductive poles 40, and conductive pole 40 is set positioned at secondary
The inside of standby screen body, and concatenate into electric secondary circuit, connection sheet 10 is outwards outwarded winding and the stud 20 that is tightened is completed
Pressing plate exits operation.Fig. 3 and Fig. 4 represents that pressing plate is in input state, and connection sheet 10 is connected between two conductive poles 40,
Connection sheet 10 is compressed by fixed bolt 20, so as to turn on this two conductive poles 40, realizes the connection of secondary circuit.
The input of pressing plate exits the working condition that can directly affect electrical secondary equipment, the correctness pair of its state
It is particularly important for power system security.In most of conventional substation, operation and the management of pressing plate are still continued to use manually
Mode, the input of pressing plate, the correctness for exiting operation place one's entire reliance upon inspection flow, there is a possibility that missing inspection.Further, since
Pressing plate is arranged on secondary device screen cabinet bottom, dense arrangement and quantity is more, in operations staff's During manual operation, it is also possible to
In the presence of touching or the phenomenon of virtual connection, the operation to power system bring huge potential safety hazard by mistake.
As intelligent substation, the level of IT application constantly improve, the operation of secondary device has obtained strong guarantor
Barrier.Pressure has been installed additional in the drawbacks of in order to eliminate in traditional clamp operation flow, the accurate real-time status for monitoring pressing plate, many transformer stations
Board status monitoring system, the system are typically made up of pressing plate status monitoring terminal and monitoring backstage two parts.By monitoring terminal with
Certain mode is installed on traditional pressing plate, and the real-time monitoring and signal for realizing pressing plate state upload, then by monitoring backstage to complete
Pressing plate of standing is managed collectively, so as to find the pressing plate state of mistake in time.
But existing pressing plate status monitoring terminal has problems with：(1) monitoring terminal mounting means：Part monitors eventually
The installation at end depends on original pressing plate, must screen cabinet on punch installation, destroy original screen cabinet, and install it is not convenient,
It is likely to have influence on the pressing plate of normal work；Need to remove original pressing plate when separately having the installation of some monitoring terminals, inevitably
Bring the economic loss of associate power system blackout.(2) way to take power of monitoring terminal：Monitoring terminal is needed inside screen cabinet
Secondary circuit power taking, it is possible to produce parasitic loop, so as to reduce the reliability of former secondary circuit.(3) monitoring terminal
Principle：Some monitoring terminals use the principle of physics touching, by inserting, leaning on, the identification that action completes pressing plate state such as touching, still
Wrong it can touch, the phenomenon of false touch occurs.
In summary, it is necessary to which a kind of new pressing plate status monitoring terminal, is neither destroying existing pressing plate or screen cabinet
On the basis of, and can is correct, the real-time status of reliable recognition pressing plate, and quantity of state is presented into inspection in a manner of simple, intuitive
Personnel, while and can provides anti-error measure in the operating process of pressing plate, is provided for the safe and reliable operation of electrical secondary equipment
Ensure.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of state monitoring apparatus of electric secondary circuit pressing plate, not
Destroy on the premise of screen cabinet, pressing plate original structure, secondary device do not have a power failure and be arranged on traditional pressing plate, to realize that pressing plate is thrown
Enter, exit the monitoring of state, and touching by mistake for pressing plate can be prevented.
The state monitoring apparatus of electric secondary circuit pressing plate of the present utility model, have with the insulator foot profile of pressing plate to
Adapting to and be mountable to the main body of the insulator foot, the main body, which is provided with, can make the connection sheet of pressing plate outward winding the opening passed through,
Corresponding infrared emitting end and infrared receiver end, and infrared emitting end and infrared ray are provided with the both ends of the opening
Line between receiving terminal intersects with the connection sheet for the state of outwarding winding；Described infrared emitting end and infrared receiver end are with being located at
Infrared emitting module and infrared receiver module in main body are connected respectively, and the infrared receiving module passes through in main body
The processing module of setting is connected to limited bolt switch, and limited bolt switch tethers with the spacing of open opposite sides in main body
Connect, the angle that the extension elongation of limited bolt is outwarded winding with the connection sheet is adapted, the length and connection sheet after limited bolt retraction
Input state is adapted.The wherein surface of main body uses insulating materials, such as plastics, ceramics, infrared emitting module and infrared
Line receiving module can use the control mode of existing infrared monitor control device.Limited bolt uses telescopic spring structure, and by
Processing module is ejected by limited bolt switch, and manual retrieving.Processing module switchs control limited bolt by limited bolt
The control mode and structure of ejection can be similar with existing smart lock, electrical pins etc..Processing module is the elements such as CPU, wherein
It can be realized by those of ordinary skill in the art according to general signal control technology the control program part being related to.
Main body is installed on the outside of the insulator foot of pressing plate, when pressing plate is put into, in infrared emitting end and infrared receiver
Infrared path is formed between end, and the information for receiving infrared signal is sent to processing module by infrared receiver module, is located
Thus reason module judges pressing plate for input state.When pressing plate exits, the connection sheet of pressing plate is pulled open by operations staff, due to connection sheet
Infrared path is blocked, infrared path will not receive infrared signal by turning on the state of going off, infrared receiver module
For information transmission to processing module, thus processing module judges pressing plate to exit state, issues a command to limited bolt switch, ejection immediately
Limited bolt.Due to limitation of the limited bolt to pressing plate connection sheet mobile range, avoid and touch the feelings that connection sheet puts into pressing plate by mistake
Condition occurs.As needed operated clamp input again, first by limited bolt hand-reset, connection sheet is closed again.
Preferably, main body includes the fixed part being connected by axle and the rotating part that can rotate around the axis.By rotating part during installation
Opening is pivoted, it is convenient to be arranged on main body on the insulator foot of pressing plate, then rotating part is reverted into original state, complete peace
Dress.Main body with opening and rotating part can realize the installation that do not have a power failure, the influence to pressing plate working condition be fallen below minimum.
On the other hand, because circuit part is provided in main body, this structure can also avoid using Split type electric line structure, subtract
The hidden danger such as the connecting portion electrical contact that lacked the design difficulty of circuit structure, avoids Split type electric line structure from bringing is bad, simultaneously
It is also beneficial to realize circuit integration, reduces circuit production cost, facility is brought for production.
Further, limited bolt lockup switch corresponding with limited bolt is provided with main body.Limited bolt lockup switch is used for
When pressing plate puts into state to the construction of switch of limited bolt locking insurance, its accident can be prevented by the main limited bolt of mechanical structure card
Ejection.
Preferably, main body, which is provided with, is connected the input indicator lamp for representing pressing plate state with the processing module and exits instruction
Lamp.When pressing plate input, after infrared receiving device senses infrared signal, input indicator lamp is lighted by processing module.Due to infrared
Path must turn on could keep put into indicator lamp Chang Liang, therefore also just from physically ensure that connection sheet be closely buckled in consolidate
Determine on stud, it is therefore prevented that the generation of pressing plate virtual connection phenomenon.
Further, independent power supply is provided with main body, it is therefore prevented that the generation of parasitic loop.
The state monitoring apparatus of electric secondary circuit pressing plate of the present utility model, it can easily be installed on the insulation of pressing plate
Chassis outer side, the normal work of pressing plate is not influenceed during installation, will not destroy pressing plate yet and shield the original structure of cabinet, and by red
Outer path detects to pressing plate state, it is ensured that clamp operation is in place, it is thus also avoided that the possibility of the maloperation of pressing plate.
Embodiment with reference to embodiments, the above of the present utility model is remake further specifically
It is bright.But the scope that this should not be interpreted as to the above-mentioned theme of the utility model is only limitted to following example.It is new not departing from this practicality
In the case of the above-mentioned technological thought of type, the various replacements or change made according to ordinary skill knowledge and customary means,
It should be included in the scope of the utility model.
Brief description of the drawings
Fig. 1 is the structural representation that existing pressing plate exits state.
Fig. 2 is Fig. 1 A direction views.
Fig. 3 is the structural representation that existing pressing plate puts into state.
Fig. 4 is Fig. 3 B to schematic diagram.
Fig. 5 is the structural representation of the state monitoring apparatus of the utility model electric secondary circuit pressing plate.
Fig. 6 is Fig. 5 control circuit block diagram.
Fig. 7 is the overlooking the structure diagram that pressing plate puts into state when Fig. 5 is used.
Fig. 8 be Fig. 5 using when pressing plate exit the overlooking the structure diagram of state.
Embodiment
The state monitoring apparatus of the utility model electric secondary circuit pressing plate as shown in Figure 5 and Figure 6, have exhausted with pressing plate
Edge base profile is to adapting to and be mountable to the main body of the insulator foot.Main body includes the fixed part 1 that is connected by axle 3 and can
The rotating part 2 rotated around axle 3.Being provided between fixed part 1 and rotating part 2 can make the connection sheet of pressing plate outward winding the opening passed through,
Make main body into semi-surrounding shape.Corresponding infrared emitting end 4 and infrared receiver end 5 are provided with the both ends of the opening, and
And the line between infrared emitting end 4 and infrared receiver end 5 intersects with the connection sheet for the state of outwarding winding.Described infrared ray hair
End 4 and infrared receiver end 5 is penetrated to be connected respectively with the infrared emitting module in main body and infrared receiver module.
Main body, which is provided with, to be connected the input indicator lamp 8 for representing pressing plate state with the processing module and exits indicator lamp 9.When pressing plate is thrown
Enter, after infrared receiving device senses infrared signal, input indicator lamp 8 is lighted by processing module.Because infrared path must be led
Generalist can keep putting into indicator lamp Chang Liang, therefore also just from physically ensure that connection sheet is closely buckled on fixed bolt
, it is therefore prevented that the generation of pressing plate virtual connection phenomenon.After pressing plate exits, the infrared signal that infrared receiving device is sensed is interrupted,
Processing module, which is lighted, exits indicator lamp 9.Infrared receiving module is connected to limited bolt by the processing module set in main body and switched,
Limited bolt switchs to be connected with the limited bolt 6 of the open opposite sides in the main body, limited bolt 6 for can ejecting structure, its stretching
Length is adapted with the angle that connection sheet is outwarded winding, and the input state of its length and connection sheet after bouncing back is adapted.In main body also
Provided with limited bolt lockup switch 7 corresponding with limited bolt 6, prevent limited bolt 6 from surprisingly being ejected in retracted state.Each electronic unit
It is powered by the independent current source set in main body.
As shown in fig. 7, during installation, rotating part 2 is stuck in outside the insulator foot of pressing plate around the Unscrew of axle 3, fixed part 1
Side, then rotating part 2 is screwed into original state, complete installation.When pressing plate is put into, by limited bolt lockup switch 7 by limited bolt 6
Locking, infrared path (shown in dotted line) is formed between infrared emitting end 4 and infrared receiver end 5, and by infrared receiver
The information for receiving infrared signal is sent to processing module by module, and thus processing module judges pressing plate for input state, and point
Indicator lamp 9 is exited in bright input indicator lamp 8 and extinguishing.As shown in figure 8, when pressing plate exits, bolt lockup switch is unlocked by operations staff
7, and pull open the connection sheet of pressing plate.Because connection sheet blocks infrared path between infrared emitting end 4 and infrared receiver end 5
(shown in dotted line), infrared path will not receive the information of infrared signal by turning on the state of going off, infrared receiver module
Processing module is passed to, thus processing module judges pressing plate to exit state, issue a command to limited bolt switch immediately, and ejection is spacing
Bolt 6, while extinguish input indicator lamp 8 and light and exit indicator lamp 9.Because limited bolt 6 is to pressing plate connection sheet mobile range
Limitation, avoid and touch the situation appearance that connection sheet puts into pressing plate by mistake.As needed operated clamp input again, first by the hand of limited bolt 6
It is dynamic to reset, it is closed again connection sheet.
The state monitoring apparatus of the utility model electric secondary circuit pressing plate can ensure secondary device screen cabinet when mounted
It is complete, do not change the original working condition of pressing plate, without not having a power failure, and there is independent power supply, do not taken from secondary screen cabinet
Electricity.Connection sheet physical location changes to control the break-make of infrared path, it is achieved thereby that pressing plate shape when being put into, exited using pressing plate
The correct identification of state.It also effectively prevent the virtual connection of pressing plate simultaneously, touch the generation of phenomenon by mistake, effective guarantee clamp operation process
In safety and reliability., can be more straight by putting into indicator lamp 8 and exiting the mutual cooperation of indicator lamp 9 and limited bolt 6
The current state of ground displaying pressing plate is seen, failure can be also investigated for operating personnel and sets mistake to provide facility.
Claims (5)
1. the state monitoring apparatus of electric secondary circuit pressing plate, it is characterized in that：With insulator foot (30) profile with pressing plate to
Adapt to and be mountable to the main body of the insulator foot (30), the main body, which is provided with, can outward winding the connection sheet (10) of pressing plate to pass through
Opening, corresponding infrared emitting end (4) and infrared receiver end (5), and infrared ray are provided with the both ends of the opening
Line between transmitting terminal (4) and infrared receiver end (5) intersects with the connection sheet (10) for the state of outwarding winding；Described infrared ray hair
Penetrate end (4) and infrared receiver end (5) and the infrared emitting module in main body and infrared receiver module are corresponding respectively
Connection, the infrared receiver module by the processing module set in main body be connected to limited bolt switch, limited bolt switch with
Limited bolt (6) connection of open opposite sides in main body, extension elongation and the connection sheet (10) of limited bolt (6) are outwarded winding
Angle be adapted, the input state of length and connection sheet (10) after limited bolt (6) retraction is adapted.
2. the state monitoring apparatus of electric secondary circuit pressing plate as claimed in claim 1, it is characterized in that：Main body includes passing through axle
(3) connected fixed part (1) and the rotating part (2) that can be rotated around axle (3).
3. the state monitoring apparatus of electric secondary circuit pressing plate as claimed in claim 1, it is characterized in that：In main body be provided with
Limited bolt lockup switch (7) corresponding to limited bolt (6).
4. the state monitoring apparatus of electric secondary circuit pressing plate as claimed in claim 1, it is characterized in that：Main body is provided with and institute
Processing module connection is stated to represent the input indicator lamp (8) of pressing plate state and exit indicator lamp (9).
5. the state monitoring apparatus of the electric secondary circuit pressing plate as described in one of Claims 1-4, it is characterized in that：In main body
In be provided with independent power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720613197.5U CN206740891U (en) | 2017-05-27 | 2017-05-27 | The state monitoring apparatus of electric secondary circuit pressing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720613197.5U CN206740891U (en) | 2017-05-27 | 2017-05-27 | The state monitoring apparatus of electric secondary circuit pressing plate |
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| Publication Number | Publication Date |
|---|---|
| CN206740891U true CN206740891U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720613197.5U Active CN206740891U (en) | 2017-05-27 | 2017-05-27 | The state monitoring apparatus of electric secondary circuit pressing plate |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849396A (en) * | 2019-11-19 | 2020-02-28 | 国网浙江淳安县供电有限公司 | Pressing plate on-off state detection device and pressing plate anti-misoperation system |
| CN115795276A (en) * | 2022-11-22 | 2023-03-14 | 南京电力设计研究院有限公司 | Secondary circuit pressing plate state evaluation method based on wavelet analysis and machine learning |
-
2017
- 2017-05-27 CN CN201720613197.5U patent/CN206740891U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849396A (en) * | 2019-11-19 | 2020-02-28 | 国网浙江淳安县供电有限公司 | Pressing plate on-off state detection device and pressing plate anti-misoperation system |
| CN110849396B (en) * | 2019-11-19 | 2024-05-28 | 国网浙江淳安县供电有限公司 | Pressing plate switching state detection device and pressing plate error prevention system |
| CN115795276A (en) * | 2022-11-22 | 2023-03-14 | 南京电力设计研究院有限公司 | Secondary circuit pressing plate state evaluation method based on wavelet analysis and machine learning |
| CN115795276B (en) * | 2022-11-22 | 2024-04-26 | 南京电力设计研究院有限公司 | Secondary circuit pressing plate state evaluation method based on wavelet analysis and machine learning |
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