CN211853533U - Emergency oil discharge device and electrical equipment - Google Patents
Emergency oil discharge device and electrical equipment Download PDFInfo
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- CN211853533U CN211853533U CN202020324085.XU CN202020324085U CN211853533U CN 211853533 U CN211853533 U CN 211853533U CN 202020324085 U CN202020324085 U CN 202020324085U CN 211853533 U CN211853533 U CN 211853533U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The utility model discloses an emergent oil extraction device and electrical equipment. The emergency oil discharge device comprises an automatic control module, an in-situ oil discharge device and a connecting pipeline. Two ends of the connecting pipeline are respectively connected with an oil outlet of a target oil tank and an oil inlet of an oil drainage pipeline in the local oil drainage device, and the oil outlet of the oil drainage pipeline is led into an accident oil pool; the automatic control module comprises a controller, a first alarm and a receiver, if the receiver receives a regional fire signal, and/or a high-voltage circuit breaker opening signal, and/or a heavy gas action signal, the controller controls the first alarm to alarm, and controls the local oil discharge device to open an oil discharge pipeline so as to discharge oil to a target oil tank; otherwise, the oil discharge pipeline is in a closed state. The utility model discloses can arrange oil to the target oil tank automatically under emergency, avoid the combustible substance diffusion, enlarge the fire extinguishing problem that brings.
Description
Technical Field
The utility model relates to an electrical equipment makes technical field, in particular to emergent oil extraction device and an electrical equipment who is provided with this emergent oil extraction device.
Background
The converter transformer is referred to as converter transformer for short, the converter transformer is used for providing a rectification power supply for the converter valve, and the converter transformer and the converter valve form a converter together, so that the mutual conversion of alternating current and direct current is realized, and the mutual electrical isolation of the alternating current and the direct current is realized.
With the continuous development of direct current transmission engineering in China, the market holding amount of the converter transformer is continuously increased at present, statistics is provided, and about 500 converter transformers exist in the domestic market at present. The direct current transmission project has the advantages of inherent thickness in the aspects of energy consumption and the like, but a technical barrier still exists in the aspect of product reliability. In recent years, a plurality of converter transformer accidents exist, namely, an oil injection combustion accident is caused slightly, and a big fire is caused seriously, so that other equipment is damaged. At present, main fire protection equipment of a convertor station is foam spraying equipment and water spraying equipment, and because foam spraying fire extinguishing technology extinguishes fire by means of isolated oxygen, the fire extinguishing effect can be lost along with the diffusion and expansion of combustible substances in a convertor short path fire accident.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an emergent oil extraction device and an electrical equipment who is provided with this emergent oil extraction device can carry out the oil extraction to the target oil tank (for example transformer tank or reactor oil tank) automatically under emergency, avoids combustible substance diffusion, enlarges the fire extinguishing problem that brings.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides an emergent oil drain device, includes automatic control module, oil drain device and connecting line on the spot, wherein:
two ends of the connecting pipeline are respectively connected with an oil outlet of a target oil tank and an oil inlet of an oil drainage pipeline in the on-site oil drainage device, and the oil outlet of the oil drainage pipeline is led into an accident oil pool;
the automatic control module comprises a controller, a first alarm and a receiver for receiving a regional fire signal, and/or a high-voltage circuit breaker opening signal and/or a heavy gas action signal;
the receiver, the first alarm and the local oil discharge device are respectively in signal connection with the controller, and if the receiver receives the regional fire signal, the high-voltage circuit breaker opening signal and/or the heavy gas action signal, the controller controls the first alarm to alarm and controls the local oil discharge device to open the oil discharge pipeline so as to discharge oil to the target oil tank; otherwise, the oil discharge pipeline is in a closed state.
Preferably, in the emergency oil drainage device, the automatic control module is further provided with a signal transmitter, the signal transmitter is in signal connection with the controller, and if the oil drainage pipeline is opened by the local oil drainage device, the controller controls the signal transmitter to feed back an oil drainage signal to a background.
Preferably, in the above emergency oil drainage device, the in-situ oil drainage device includes an oil drainage electric execution unit and a monitoring module, wherein:
the oil discharge electric execution unit is arranged on the oil discharge pipeline and used for controlling the opening and closing of the oil discharge pipeline;
the monitoring module is arranged at an outlet of the oil drainage electric execution unit and used for monitoring whether leakage occurs at the outlet of the oil drainage electric execution unit.
Preferably, in the emergency oil drain device, the electric oil drain executing unit is an electric valve.
Preferably, in the emergency oil drainage device, two oil drainage electric execution units are arranged in series on the oil drainage pipeline, and the monitoring module is respectively arranged at an outlet of each oil drainage electric execution unit.
Preferably, in the above emergency oil drainage device, the oil drainage device further includes a fireproof and explosion-proof housing, and the electric oil drainage execution unit and the monitoring module are both disposed in the fireproof and explosion-proof housing.
Preferably, in the emergency oil drainage device, a first display part is arranged in the automatic control module and is used for displaying the working state of the oil drainage electric execution unit;
and/or a second display part is arranged in the automatic control module and is used for displaying the working state of the monitoring module;
and/or, be provided with the second alarm in the automatic control module, if monitoring module monitors the seepage appears in the exit of the electronic execution unit of oil extraction, then the controller control the second alarm reports to the police.
Preferably, in the emergency oil drainage device, the automatic control module adopts a dual-PLC and dual-power-supply-loop structure, and is mutually standby;
and/or the automatic control module is arranged in the control room.
Preferably, in the emergency oil drain device, the target oil tank is a transformer oil tank or a reactor oil tank.
An electrical equipment, includes electrical equipment body to and target oil tank and emergency oil drain device, wherein:
the electrical equipment body is a transformer body or a reactor body;
the emergency oil drain device according to any one of claims 1 to 9, wherein an inlet of a connecting pipeline in the emergency oil drain device is connected with an oil outlet of the target oil tank, and the target oil tank provides an insulating medium and a cooling medium for the electrical equipment body.
Thereby, when the change of current becomes the fire incident, through the utility model provides an emergent oil extraction device can in time discharge the combustible substance in the target oil tank, makes it keep apart the conflagration danger area, makes regional combustible substance of conflagration no longer continue diffusion, expansion, can realize high-efficient fire extinguishing through traditional foam spraying system.
It can be seen that, the utility model provides an emergent oil extraction device can spray or water sprays fire extinguishing systems to traditional converter station with the foam and play the additional action, to shortening the time of putting out a fire, takes precautions against or enlarges the secondary disaster that newly plays and has actual meaning. Moreover, the emergency oil discharge device is simple and effective, reasonable in design and stable in performance, and does not influence the reliable operation of the converter transformer.
Furthermore, the utility model provides an electrical equipment is owing to adopted above-mentioned emergent oil extraction device to can realize above-mentioned beneficial effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an emergency oil drainage device according to a first embodiment of the present invention.
Wherein:
1-an automatic control module, 2-an in-situ oil discharge device and 3-a connecting pipeline,
4-oil discharge electric execution unit, 5-monitoring module and 6-fireproof explosion-proof shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
First embodiment
The utility model discloses a first concrete embodiment provides an emergent oil extraction device for automatically arrange oil to target oil tank (for example transformer tank or reactor oil tank) under emergency, avoid the combustible substance diffusion, enlarge the fire extinguishing problem that brings. The emergency oil discharge device can be popularized and used on electrical equipment such as a transformer (for example, an oil-immersed transformer) or a reactor and has universality.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an emergency oil drainage device according to a first embodiment of the present invention.
The utility model discloses the emergent oil extraction device that a first embodiment provided, including automatic control module 1, oil extraction device 2 and connecting line 3 on the spot. Wherein:
an oil discharge pipeline is arranged in the on-site oil discharge device 2, and an oil outlet of the oil discharge pipeline is led into an accident oil pool;
one end of the connecting pipeline 3 is connected with an oil outlet of the target oil tank 7, and the other end of the connecting pipeline is connected with an oil inlet of an oil discharging pipeline in the local oil discharging device 2;
the automatic control module 1 comprises a controller, a first alarm and a receiver for receiving a zone fire signal, and/or a high-voltage circuit breaker opening signal and/or a heavy gas action signal;
receiver, first alarm and arrange oil device 2 in place in controller signal connection respectively to the realization: if the receiver receives a regional fire signal, and/or a high-voltage circuit breaker opening signal, and/or a heavy gas action signal, the controller controls the first alarm to alarm, and controls to open an oil discharge pipeline in the local oil discharge device 2 (if a switch valve is arranged at an oil outlet of the target oil tank 7, the switch valve is also required to be controlled to be opened at the moment) so as to discharge oil to the target oil tank 7, and at the moment, oil in the target oil tank 7 is introduced into an accident oil pool through the connecting pipeline 3 and the oil discharge pipeline in the local oil discharge device 2, so that fuel oil diffusion and expansion are avoided; otherwise, the oil discharge line in the in-place oil discharge device 2 is in a closed state.
Therefore, when a current conversion transformer is in a fire accident, combustible in the target oil tank 7 can be discharged in time through the emergency oil discharge device, so that the fire danger area is isolated, the combustible in the fire area is not continuously diffused and expanded, and efficient fire extinguishing can be realized through the traditional foam spraying system.
It is thus clear that the utility model provides an emergent oil extraction device can spray or water sprays fire extinguishing systems to traditional converter station with the foam and play supplementary effect, to shortening the time of putting out a fire, takes precautions against or enlarges the secondary disaster that newly plays and have actual meaning. Moreover, the emergency oil discharge device is simple and effective, reasonable in design and stable in performance, and does not influence the reliable operation of the converter transformer.
Further, in the automatic control module 1 of the emergency oil drainage device, a signal transmitter in signal connection with the controller is further arranged, and when the local oil drainage device 2 opens an oil drainage pipeline to drain oil from the target oil tank 7, the controller controls the signal transmitter to feed back an oil drainage signal to the background.
Specifically, the oil drain on site device 2 comprises an oil drain electric execution unit 4 and a monitoring module 5. The oil discharge electric execution unit 4 is arranged on the oil discharge pipeline and used for controlling the opening and closing of the oil discharge pipeline; the monitoring module 5 is arranged at an outlet of the oil drainage electric execution unit 4 and used for monitoring whether leakage occurs at the outlet of the oil drainage electric execution unit 4 or not, so that the sealing performance of the oil drainage electric execution unit 4 is monitored.
If the receiver in the automatic control module 1 receives a regional fire signal, and/or a high-voltage breaker opening signal, and/or a heavy gas action signal, the controller sends an action execution instruction to the oil discharge electric execution unit 4 to start the oil discharge electric execution unit 4, and an oil discharge pipeline in the local oil discharge device 2 is opened, so that oil is discharged from the target oil tank 7 to the accident oil pool, and the diffusion and expansion of fuel oil are avoided.
Specifically, the electric oil discharge execution unit 4 is an electric valve. And, two oil discharge electric execution units 4 are connected in series on the oil discharge pipeline, and a monitoring module 5 is respectively arranged at the outlet of each oil discharge electric execution unit 4. The double-electric-valve series structure has the function of preventing misoperation, can realize the protection function after any electric valve is in misoperation, and prevents oil from being discharged by mistake.
Specifically, the oil discharge device 2 further comprises a fireproof and explosion-proof housing 6, and the oil discharge electric execution unit 4 and the monitoring module 5 are both arranged in the fireproof and explosion-proof housing 6, so as to ensure the reliability of the operation of the emergency oil discharge device in case of a fire accident.
Specifically, the automatic control module 1 is composed of a PLC, a relay, or other equivalent control elements. The automatic control module 1 is provided with a first display unit and a second display unit.
The first display part is used for displaying the working state of the oil drainage electric execution unit 4, namely, the first display part can display whether the oil drainage electric execution unit 4 is in a closed state or an open state. The first display part displays that the oil drainage electric execution unit 4 is in a closed state, and then the oil drainage pipeline is in a closed state; the first display part displays that the oil discharge electric execution unit 4 is in an open state, and the oil discharge pipeline is in an open state, so that emergency oil discharge can be carried out on the target oil tank 7. Further, the first display portion can also be used for displaying whether the oil drainage electric execution unit 4 is in failure.
The second display part is used for displaying the working state of the monitoring module 5. The second display part displays that the monitoring module 5 is in a starting state, and then the leakage occurs at the outlet of the oil discharge electric execution unit 4; the second display part shows that the monitoring module 5 is in a normal state, which indicates that no leakage occurs at the outlet of the oil drainage electric execution unit 4. Further, the second display portion can also be used to display whether the monitoring module 5 is malfunctioning.
Specifically, the automatic control module 1 is further provided with a second alarm. If the monitoring module 5 monitors that leakage occurs at the outlet of the oil discharge electric execution unit 4, the controller controls the second alarm to alarm. Alternatively, in other embodiments, the first alarm and the second alarm may be the same alarm. Therefore, the technical personnel in the field can carry out specific setting according to the actual situation, and the utility model is not limited in particular.
Specifically, the on-site oil drainage device 2 is placed near the transformer equipment; the automatic control module 1 is arranged in a control room or other places far away from a fire source.
Preferably, the automatic control module 1 adopts a dual-PLC and dual-power-supply-loop structure, and is standby for each other.
Second embodiment
The utility model discloses a second concrete embodiment provides an electrical equipment. The electrical equipment comprises an electrical equipment body, a target oil tank 7 and an emergency oil discharge device. Wherein:
the electrical equipment body is a transformer body or a reactor body;
emergent oil drain device does the utility model discloses emergent oil drain device that provides in the first embodiment, the entry of connecting tube 3 among this emergent oil drain device is connected with the oil-out of target oil tank 7, and target oil tank 7 provides insulating medium and coolant for the electrical equipment body.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an emergent oil drain device, its characterized in that includes automatic control module (1), oil drain device (2) and connecting line (3) on the spot, wherein:
two ends of the connecting pipeline (3) are respectively connected with an oil outlet of a target oil tank (7) and an oil inlet of an oil drainage pipeline in the on-site oil drainage device (2), and the oil outlet of the oil drainage pipeline is led into an accident oil pool;
the automatic control module (1) comprises a controller, a first alarm and a receiver for receiving a zone fire signal, and/or a high-voltage circuit breaker opening signal and/or a heavy gas action signal;
the receiver, the first alarm and the on-site oil discharge device (2) are respectively in signal connection with the controller, if the receiver receives the regional fire signal, and/or the high-voltage circuit breaker opening signal, and/or the heavy gas action signal, the controller controls the first alarm to alarm, and controls the on-site oil discharge device (2) to open the oil discharge pipeline so as to discharge oil to the target oil tank (7); otherwise, the oil discharge pipeline is in a closed state.
2. The emergency oil drainage device according to claim 1, wherein a signal transmitter is further arranged in the automatic control module (1), the signal transmitter is in signal connection with the controller, and if the oil drainage pipeline is opened by the local oil drainage device (2), the controller controls the signal transmitter to feed back an oil drainage signal to a background.
3. The emergency oil drain device according to claim 1, wherein the oil drain in place device (2) comprises an oil drain electric execution unit (4) and a monitoring module (5), wherein:
the oil discharge electric execution unit (4) is arranged on the oil discharge pipeline and is used for controlling the opening and closing of the oil discharge pipeline;
the monitoring module (5) is arranged at an outlet of the oil drainage electric execution unit (4) and used for monitoring whether leakage occurs at the outlet of the oil drainage electric execution unit (4).
4. Emergency oil drainage device according to claim 3, characterized in that the electric execution unit (4) for oil drainage is an electric valve.
5. The emergency oil drainage device according to claim 3, wherein two oil drainage electric execution units (4) are arranged in series on the oil drainage pipeline, and the monitoring module (5) is arranged at the outlet of each oil drainage electric execution unit (4).
6. The emergency oil drainage device according to claim 3, further comprising a fireproof and explosion-proof housing (6) in the oil drainage device (2), wherein the oil drainage electric execution unit (4) and the monitoring module (5) are both arranged in the fireproof and explosion-proof housing (6).
7. The emergency oil drainage device according to claim 3, characterized in that a first display part is arranged in the automatic control module (1) and used for displaying the working state of the oil drainage electric execution unit (4);
and/or a second display part is arranged in the automatic control module (1) and is used for displaying the working state of the monitoring module (5);
and/or, be provided with the second alarm in automatic control module (1), if monitoring module (5) monitors the seepage appears in the exit of oil extraction electric actuator unit (4), then the controller control the second alarm reports to the police.
8. The emergency oil drain device according to claim 1, wherein the automatic control module (1) adopts a dual-PLC and dual-power-supply-loop structure, and is standby for each other;
and/or the automatic control module (1) is arranged in a control room.
9. Emergency oil drainage device according to any of claims 1 to 8, characterized in that the target tank (7) is a transformer tank or a reactor tank.
10. An electrical apparatus, comprising an electrical apparatus body, and a target oil tank (7) and an emergency oil drain device, wherein:
the electrical equipment body is a transformer body or a reactor body;
the emergency oil drain device according to any one of claims 1 to 9, wherein an inlet of the connecting pipeline (3) in the emergency oil drain device is connected with an oil outlet of the target oil tank (7), and the target oil tank (7) provides an insulating medium and a cooling medium for the electrical equipment body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020324085.XU CN211853533U (en) | 2020-03-16 | 2020-03-16 | Emergency oil discharge device and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020324085.XU CN211853533U (en) | 2020-03-16 | 2020-03-16 | Emergency oil discharge device and electrical equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211853533U true CN211853533U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020324085.XU Active CN211853533U (en) | 2020-03-16 | 2020-03-16 | Emergency oil discharge device and electrical equipment |
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|---|---|
| CN (1) | CN211853533U (en) |
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2020
- 2020-03-16 CN CN202020324085.XU patent/CN211853533U/en active Active
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