CN214754227U - Relay protection tripping circuit terminating device for nuclear power station - Google Patents
Relay protection tripping circuit terminating device for nuclear power station Download PDFInfo
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- CN214754227U CN214754227U CN202023243469.8U CN202023243469U CN214754227U CN 214754227 U CN214754227 U CN 214754227U CN 202023243469 U CN202023243469 U CN 202023243469U CN 214754227 U CN214754227 U CN 214754227U
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- nuclear power
- end interface
- relay protection
- cover plate
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Abstract
The utility model belongs to the technical field of electricity, in particular to a termination device of a relay protection tripping circuit for a nuclear power station, which comprises a cover plate, a magnetic suction termination interface, a termination spring contact, a spring termination base, a display diode and a termination wire; the inner surface of the cover plate is provided with a magnetic suction end interface, the middle of the magnetic suction end interface is connected with the display diode, the cover plate is connected with the spring termination base, the upper surface of the spring termination base is provided with an end interface spring contact, and the lower part of the end interface spring contact is connected with an end wire. The end connecting device has the functions of water resistance, dust resistance and electric leakage prevention, is simple in structure, small in size and convenient to install and use, can be widely applied to a nuclear power station generator transformer protection system device, can reduce working time and human errors, and has good popularization and application prospects.
Description
Technical Field
The utility model belongs to the technical field of it is electric, concretely relates to relay protection tripping circuit termination device for nuclear power station.
Background
The safe operation of the relay protection system is the most important safety guarantee of the power system, and the safe operation of related equipment in the relay protection system is particularly important. Because of the particularity of equipment such as a relay protection device, a 'terminating device' must be designed on a trip circuit, and the 'terminating device' is an important guarantee means for ensuring the safe operation of a relay protection system. The terminating device is a disconnection point which can be seen by naked eyes, so that operating personnel can conveniently judge whether a tripping circuit of the relay protection device can be communicated with a tripping coil of a switch or not, great convenience is provided for maintenance and operation, and a disconnection point which can not be closed completely is added in a protection system of a transformer substation. Because of the particularity of the relay protection tripping circuit terminating device, two sides can not be electrified simultaneously in a normal state, and the input and the exit of the tripping circuit terminating device are manually operated, so that the closing is completely controlled by the responsibility and the actual technical level of operators. Therefore, in actual operation, the phenomenon that the protection system cannot act correctly due to improper input and exit of the pressure plate sometimes occurs.
Therefore, it is needed to provide a terminating device of a trip circuit for a relay protection in a nuclear power plant to solve the disadvantages of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a nuclear power station is with relay protection tripping circuit termination device, the trip circuit of being convenient for operation personnel judgement relay protection device to through the tripping operation coil of operation intercommunication switch.
Realize the utility model discloses the technical scheme of purpose:
a novel trip circuit terminating device for a nuclear power station comprises a cover plate, a magnetic suction end interface, an end interface spring contact, a spring terminating base, a display diode and an end wire; the inner surface of the cover plate is provided with a magnetic suction end interface, the middle of the magnetic suction end interface is connected with the display diode, the cover plate is connected with the spring termination base, the upper surface of the spring termination base is provided with an end interface spring contact, and the lower part of the end interface spring contact is connected with an end wire.
The cover plate is connected with the spring end connection base through a hinge.
The inner surface of the cover plate is provided with a magnetic buckle boss.
The outer surface of the cover plate is provided with an opening and closing handle.
The outer surface of the cover plate is provided with a display diode, and the middle of the magnetic suction end interface is connected with the display diode.
The display diode is a light emitting diode.
The magnetic suction end interface is in an I shape.
The upper surface of the spring end connection base is provided with a magnetic suction groove, and the magnetic suction groove and the magnetic suction buckle boss are mutually attracted through magnetic force to enable the cover plate and the spring end connection base to be closed and fastened.
The number of the end interface spring contacts is two.
The utility model has the advantages of:
(1) the utility model relates to a novel tripping circuit terminating device for a nuclear power station, which has the functions of water resistance, dust resistance and electric leakage prevention;
(2) the utility model relates to a novel tripping loop terminating device for a nuclear power station, which has simple structure, small volume and convenient installation and use;
(3) the utility model relates to a nuclear power station is with novel tripping operation return circuit termination device through the spring contact, makes end interface contact firm, reduces the condition that end interface connects in vain.
(4) The utility model discloses nuclear power station is with novel tripping operation return circuit termination device contacts through the mode of iron sheet, and area of contact is big, makes end interface contact firm, reduces the condition that end interface connects virtually.
(5) The utility model discloses nuclear power station is with novel tripping operation return circuit termination device, apron and base carry out the buckle through magnetism suction disc and magnetism suction mouth, make apron and base contact tight.
(6) The protection types of the protection device are classified, different types of protection verification are performed through different modules of the device, the protection verification time is shortened, and the verification accuracy is improved.
(7) The two stages of the end interfaces are connected through diodes, so that whether the two end interfaces are connected or not is displayed, and the function of displaying the current direction is realized.
Drawings
Fig. 1 is a front view of a relay protection trip circuit termination device for a nuclear power plant according to the present invention;
fig. 2 is a rear view of a relay protection trip circuit terminating device for a nuclear power station provided by the present invention;
in the figure: 1-magnetic buckle boss; 2-cover plate; 3-magnetic attraction end interface; 4-a hinge; 5-end interface spring contacts; 6-the spring is connected with the base; 7-magnetic attraction plate groove; 8-opening and closing handles; 9-display diode; 10-terminal connection.
Detailed Description
In order to make those skilled in the art better understand the present invention, the technical solutions in the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be apparent that the embodiments described below are only some, but not all embodiments of the present invention. Based on the embodiments recorded in the present invention, all other embodiments obtained by those skilled in the art without creative efforts are all within the scope of the present invention.
As shown in fig. 1 and 2, the utility model provides a nuclear power station is with relay protection tripping circuit terminating set, this terminating set include magnetism inhale detain boss 1, apron 2, magnetism inhale end interface 3, hinge 4, end interface spring contact 5, spring termination base 6, magnetism inhale board recess 7, open and shut handle 8, display diode 9 and end connection 10.
The internal surface of the cover plate 2 is provided with a magnetic suction end interface 3, the middle of the magnetic suction end interface 3 is connected with a display diode 9, the cover plate 2 is connected with a spring end connection base 6, the upper surface of the spring end connection base 6 is provided with an end interface spring contact 5, and the lower part of the end interface spring contact 5 is connected with an end wire 10.
The cover plate 2 and the spring termination base 6 are connected by hinges 4.
The cover plate 2 is made of insulating materials, the inner surface of the cover plate is provided with a magnetic attraction buckle boss 1, the magnetic attraction buckle boss 1 is made of magnet materials, and the cover plate 2 and the spring end connection base 6 are closed and fastened through mutual attraction of magnetic force and the magnetic attraction groove 7.
The outer surface of the cover plate 2 is provided with an opening and closing handle 8, and the opening and closing handle 8 is an insulating device, so that the cover plate 2 can be opened and closed conveniently.
The outer surface of the cover plate 2 is provided with a display diode 9, and the middle of the magnetic suction end interface 3 is connected through the display diode 9; the display diode 9 is a light emitting diode, when the terminal line 10 is connected to a trip circuit of the protection device to send a trip signal, a 24V direct current voltage is sent to the positive pole and the negative pole of the display diode 9, and the display diode 9 is bright.
The magnetic attraction end interface 3 is made of an I-shaped conductive copper material, is connected with the middle of the I-shaped conductive copper material through a display diode 9, and forms a closed loop with the tripping loop when the magnetic attraction end interface 3 is in contact with the end interface spring contact 5.
The spring end connection base 6 is made of insulating materials, is provided with a magnetic suction groove 7, and is mutually attracted with the magnetic suction buckle boss 1 through magnetic force to enable the cover plate 2 and the spring end connection base 6 to be closed and fastened.
The spring connects 6 upper surface both sides of base to be equipped with end interface spring contact 5, and end interface spring contact 5 is electrically conductive copper material, and when this termination device closed, inhale end interface elastic connection through spring and 3 magnetism on end interface spring contact 5 upper portion, the lower part is connected with end line 10.
The lower part of the end interface spring contact 5 is connected with an end connection wire 10, the end connection wire 10 transmits an electric signal to the cover plate 2, if the cover plate 2 is closed, the electric signal is transmitted to the display diode 9 through the end connection wire 10, and the display diode 9 is bright.
The terminating device is a visual disconnection point, which is convenient for operators to judge whether the tripping loop of the relay protection device can be communicated with the tripping coil of the switch.
When the trip circuit requires this protection function, the cover plate 2 is closed by means of the handle 9. The cover plate 2 is closed and fastened with the spring terminal base 6. When the terminal wire 10 is connected to a tripping circuit of the protection device to send a tripping signal, a 24V direct current voltage is sent to the positive pole and the negative pole of the terminal wire 10, a closed circuit is formed by the terminal interface spring contact 5, the magnetic suction terminal interface 3 and the light emitting diode 9, and the light emitting diode 9 is lightened.
When the trip circuit does not need the protection function, the cover plate 2 is opened through the handle 9, and a closed circuit cannot be formed.
The utility model discloses a nuclear power station is with novel trip circuit termination device has waterproof, dustproof, anticreep function, simple structure, and is small, the installation and use of being convenient for. The device can be widely applied to a nuclear power station generator transformer protection system device, can reduce the working time and human errors, and has better popularization and application prospects.
The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the above examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. The present invention can adopt the prior art for the content which is not described in detail in the present invention.
Claims (9)
1. The utility model provides a relay protection tripping circuit termination device for nuclear power station which characterized in that: the terminating device comprises a cover plate (2), a magnetic suction end interface (3), an end interface spring contact (5), a spring terminating base (6), a display diode (9) and a terminating wire (10);
wherein, apron (2) internal surface is equipped with magnetism and inhales end interface (3), inhales the middle display diode (9) that pass through of end interface (3) and connects, and apron (2) and spring termination base (6) are connected, and the upper surface of spring termination base (6) is equipped with end interface spring contact (5), and end interface spring contact (5) lower part is connected with end wiring (10).
2. The relay protection trip circuit termination device for a nuclear power plant as claimed in claim 1, wherein: the cover plate (2) is connected with the spring termination base (6) through a hinge (4).
3. The relay protection trip circuit termination device for a nuclear power plant as claimed in claim 2, wherein: the inner surface of the cover plate (2) is provided with a magnetic suction buckle boss (1).
4. The relay protection trip circuit termination device for a nuclear power plant as claimed in claim 3, wherein: the outer surface of the cover plate (2) is provided with an opening and closing handle (8).
5. The relay protection trip circuit termination device for a nuclear power plant as claimed in claim 4, wherein: the outer surface of the cover plate (2) is provided with a display diode (9), and the middle of the magnetic suction end interface (3) is connected with the display diode (9).
6. The relay protection trip circuit termination device for a nuclear power plant as claimed in claim 5, wherein: the display diode (9) is a light emitting diode.
7. The relay protection trip circuit termination device for a nuclear power plant as claimed in claim 6, wherein: the magnetic suction end interface (3) is I-shaped.
8. The relay protection trip circuit termination device for a nuclear power plant as claimed in claim 7, wherein: the upper surface of the spring end connection base (6) is provided with a magnetic suction groove (7) which is mutually attracted with the magnetic suction buckle boss (1) through magnetic force to ensure that the cover plate (2) and the spring end connection base (6) are closed and fastened.
9. The relay protection trip circuit termination device for a nuclear power plant as claimed in claim 8, wherein: the number of the end interface spring contacts (5) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023243469.8U CN214754227U (en) | 2020-12-29 | 2020-12-29 | Relay protection tripping circuit terminating device for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023243469.8U CN214754227U (en) | 2020-12-29 | 2020-12-29 | Relay protection tripping circuit terminating device for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214754227U true CN214754227U (en) | 2021-11-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023243469.8U Active CN214754227U (en) | 2020-12-29 | 2020-12-29 | Relay protection tripping circuit terminating device for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214754227U (en) |
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2020
- 2020-12-29 CN CN202023243469.8U patent/CN214754227U/en active Active
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