CN210123888U - 10KV substation main transformer gas protection alarm signal box - Google Patents
10KV substation main transformer gas protection alarm signal box Download PDFInfo
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- CN210123888U CN210123888U CN201920968906.0U CN201920968906U CN210123888U CN 210123888 U CN210123888 U CN 210123888U CN 201920968906 U CN201920968906 U CN 201920968906U CN 210123888 U CN210123888 U CN 210123888U
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- auxiliary contact
- control switch
- gas relay
- main transformer
- test button
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Abstract
The utility model discloses a 10KV electric substation owner becomes gas protection warning signal case, include: the box, be provided with alarm circuit in the box, alarm circuit includes heavy buchholz relay auxiliary contact, light buchholz relay auxiliary contact, first test button, second test button, the electric whistle, the electric bell, signal lamp and control switch, wherein, heavy buchholz relay auxiliary contact, electric whistle and control switch are in series and insert the power in proper order, light buchholz relay auxiliary contact, electric bell and control switch are in series and insert the power in proper order, first test button is parallelly connected with heavy buchholz relay auxiliary contact, second test button is parallelly connected with light buchholz relay auxiliary contact, the signal lamp is in series and insert the power with control switch. The main transformer gas protection alarm signal box of the 10KV substation can assist a transformer which is not provided with microcomputer protection to send out gas fault alarm signals in time, remind operation and maintenance operators on duty and take effective treatment measures aiming at the corresponding gas signals, and avoid and reduce accidents.
Description
Technical Field
The utility model provides a 10KV electric substation owner becomes gas protection warning signal case is applicable to the 10KV electric substation that someone was on duty.
Background
When a main transformer of a 10kV substation is not protected by a microcomputer, even if gas protection action of the main transformer is performed, signals cannot be sent out in time, attention of an operator cannot be brought to the operator on duty, and finally the operator on duty cannot take timely and effective measures, so that an accident of power loss of the whole substation is caused, and normal production and life are influenced.
Therefore, research and development of an alarm signal box for timely transmitting main transformer gas signals to operators on duty becomes a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a 10KV electric substation owner becomes gas protection warning signal case to solve the problem that owner becomes the gas signal and can't in time convey the personnel on duty.
The utility model provides a technical scheme is: a main transformer gas protection alarm signal box of a 10KV substation comprises: the alarm circuit comprises a heavy gas relay auxiliary contact, a light gas relay auxiliary contact, a first test button, a second test button, a whistle, an electric bell, a signal lamp and a control switch, wherein, the auxiliary contact of the heavy gas relay, the electric whistle and the control switch are connected in series in sequence and are connected with a power supply, the auxiliary contact of the light gas relay, the electric bell and the control switch are connected in series in sequence and are connected with the power supply, the auxiliary contact of the heavy gas relay and the auxiliary contact of the light gas relay are respectively used for responding the action signal of the heavy gas relay and the action signal of the light gas relay in the main transformer, and after receiving a corresponding signal, the first test button is connected with the auxiliary contact of the heavy gas relay in parallel, the second test button is connected with the auxiliary contact of the light gas relay in parallel, and the signal lamp is connected with the control switch in series and is connected with a power supply.
Preferably, both ends of the alarm circuit are also connected with fuses.
More preferably, a resistor is further connected in series between the signal lamp and the control switch.
More preferably, the signal lamp is a white signal lamp.
Preferably, the auxiliary contact of the heavy gas relay and the auxiliary contact of the light gas relay are respectively in signal connection with the heavy gas relay and the light gas relay in the main transformer.
Preferably, the first test button, the second test button, the electric whistle, the electric bell, the signal lamp and the control switch are all fixed on a front door plate of the box body.
The utility model provides a 10KV electric substation owner becomes gas protection warning signal case's theory of operation as follows: the control switch is the main switch of the alarm circuit, when the circuit is normally operated, the control switch is in a closed state, the auxiliary contact of the heavy gas relay and the auxiliary contact of the light gas relay can respectively respond to the action signal of the heavy gas relay and the action signal of the light gas relay in the main transformer, and the corresponding contacts are switched on after receiving the corresponding signals, when the main transformer light gas relay acts, the auxiliary contact of the light gas relay is switched on, the loop where the electric bell is positioned is switched on, the electric bell sounds to prompt the outside, when the main transformer heavy gas relay acts, the auxiliary contact of the heavy gas relay is switched on, the loop where the electric whistle is positioned is switched on, the electric whistle sounds to prompt the outside, and outside personnel can know the gas fault condition in the main transformer through the sound of the electric bell or the electric whistle, in addition, two experimental buttons arranged in the alarm circuit can check the integrity of the electric bell or the electric whistle and the realization of the corresponding loop function.
The utility model provides a 10KV electric substation owner becomes gas protection alarm signal case can assist the transformer of not installing computer protection in time to send gas trouble alarm signal, reminds fortune dimension person on duty and takes effectual processing measure to corresponding gas signal, avoids and reduces the emergence of accident.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
fig. 1 is a schematic structural view of a main transformer gas protection alarm signal box of a 10KV substation provided by the present invention;
fig. 2 is a circuit diagram of an alarm circuit.
Detailed Description
The invention will be further explained below with reference to specific embodiments, without limiting the invention.
As shown in fig. 1 and fig. 2, the utility model provides a 10KV substation owner becomes gas protection alarm signal case, include: the transformer substation comprises a box body 1, wherein an alarm circuit is arranged in the box body 1 and comprises a heavy gas relay auxiliary contact 2, a light gas relay auxiliary contact 3, a first test button 4, a second test button 5, a siren 6, a bell 7, a signal lamp 8 and a control switch 9, wherein the heavy gas relay auxiliary contact 2, the siren 6 and the control switch 9 are sequentially connected in series and connected with a power supply, the light gas relay auxiliary contact 3, the bell 7 and the control switch 9 are sequentially connected in series and connected with the power supply, the heavy gas relay auxiliary contact 2 and the light gas relay auxiliary contact 3 are respectively used for responding to a heavy gas relay action signal and a light gas relay action signal in a main transformer and are connected with corresponding contacts after receiving the corresponding signals, the first test button 4 is connected with the heavy gas relay auxiliary contact 2 in parallel, the second test button 5 is connected with the light gas relay auxiliary contact 3 in parallel, the signal lamp 8 is connected with the control switch 9 in series and is connected with a power supply.
The working principle of the main transformer gas protection alarm signal box of the 10KV substation is as follows: the control switch is the main switch of the alarm circuit, when the circuit is normally operated, the control switch is in a closed state, the auxiliary contact of the heavy gas relay and the auxiliary contact of the light gas relay can respectively respond to the action signal of the heavy gas relay and the action signal of the light gas relay in the main transformer, and the corresponding contacts are switched on after receiving the corresponding signals, when the main transformer light gas relay acts, the auxiliary contact of the light gas relay is switched on, the loop where the electric bell is positioned is switched on, the electric bell sounds to prompt the outside, when the main transformer heavy gas relay acts, the auxiliary contact of the heavy gas relay is switched on, the loop where the electric whistle is positioned is switched on, the electric whistle sounds to prompt the outside, and outside personnel can know the gas fault condition in the main transformer through the sound of the electric bell or the electric whistle, in addition, two experimental buttons arranged in the alarm circuit can check the integrity of the electric bell or the electric whistle and the realization of the corresponding loop function.
As an improvement of the technical solution, as shown in fig. 2, fuses 10 are further connected to two ends of the alarm circuit to implement overcurrent protection for the alarm circuit.
As an improvement of the technical solution, as shown in fig. 2, a resistor 11 is also connected in series between the signal lamp 8 and the control switch 9.
As an improvement of the technical solution, the signal lamp 8 is a white signal lamp, and whether the control switch is closed or not can be known through the signal lamp.
The heavy buchholz relay auxiliary contact and the light buchholz relay auxiliary contact are respectively used for responding to a heavy buchholz relay action signal and a light buchholz relay action signal in the main transformer and are connected with corresponding contacts after receiving the corresponding signals, and as the improvement of the technical scheme, the heavy buchholz relay auxiliary contact 2 and the light buchholz relay auxiliary contact 3 are respectively connected with the heavy buchholz relay and the light buchholz relay in the main transformer in a signal mode, and when the heavy buchholz relay or the light buchholz relay in the main transformer acts, the heavy buchholz relay auxiliary contact and the light buchholz relay auxiliary contact receive the corresponding signals.
As an improvement of the technical solution, as shown in fig. 1, the first test button 4, the second test button 5, the electric whistle 6, the electric bell 7, the signal lamp 8 and the control switch 9 are all fixed on the front door panel of the box body 1.
The embodiments of the present invention are written in a progressive manner, emphasizing the differences of the various embodiments, and similar parts can be referred to each other.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1.10KV electric substation owner becomes gas protection alarm signal case, its characterized in that includes: the transformer main transformer alarm device comprises a box body (1), wherein an alarm circuit is arranged in the box body (1), the alarm circuit comprises a heavy gas relay auxiliary contact (2), a light gas relay auxiliary contact (3), a first test button (4), a second test button (5), an electric whistle (6), an electric bell (7), a signal lamp (8) and a control switch (9), wherein the heavy gas relay auxiliary contact (2), the electric whistle (6) and the control switch (9) are sequentially connected in series and connected with a power supply, the light gas relay auxiliary contact (3), the electric bell (7) and the control switch (9) are sequentially connected in series and connected with the power supply, the heavy gas relay auxiliary contact (2) and the light gas relay auxiliary contact (3) are respectively used for responding to a heavy gas relay action signal and a light gas relay action signal in a transformer main transformer, and are connected with corresponding contacts after corresponding signals are received, the first test button (4) is connected with the heavy gas relay auxiliary contact (2) in parallel, the second test button (5) is connected with the light gas relay auxiliary contact (3) in parallel, and the signal lamp (8) is connected with the control switch (9) in series and connected with a power supply.
2. The main transformer gas protection alarm signal box of the 10KV power substation according to claim 1, characterized in that: and two ends of the alarm circuit are also connected with fuses (10).
3. The main transformer gas protection alarm signal box of the 10KV power substation according to claim 1, characterized in that: and a resistor (11) is also connected in series between the signal lamp (8) and the control switch (9).
4. The main transformer gas protection alarm signal box of the 10KV power substation according to claim 1, characterized in that: the signal lamp (8) is a white signal lamp.
5. The main transformer gas protection alarm signal box of the 10KV power substation according to claim 1, characterized in that: and the auxiliary contact (2) of the heavy gas relay and the auxiliary contact (3) of the light gas relay are respectively in signal connection with the heavy gas relay and the light gas relay in the main transformer.
6. The main transformer gas protection alarm signal box of the 10KV power substation according to claim 1, characterized in that: the first test button (4), the second test button (5), the electric whistle (6), the electric bell (7), the signal lamp (8) and the control switch (9) are all fixed on a front door plate of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968906.0U CN210123888U (en) | 2019-06-26 | 2019-06-26 | 10KV substation main transformer gas protection alarm signal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920968906.0U CN210123888U (en) | 2019-06-26 | 2019-06-26 | 10KV substation main transformer gas protection alarm signal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210123888U true CN210123888U (en) | 2020-03-03 |
Family
ID=69634134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920968906.0U Active CN210123888U (en) | 2019-06-26 | 2019-06-26 | 10KV substation main transformer gas protection alarm signal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210123888U (en) |
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2019
- 2019-06-26 CN CN201920968906.0U patent/CN210123888U/en active Active
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