CN112337010A - Modularized microcomputer type oil discharge and nitrogen injection control device - Google Patents
Modularized microcomputer type oil discharge and nitrogen injection control device Download PDFInfo
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- CN112337010A CN112337010A CN202011288566.0A CN202011288566A CN112337010A CN 112337010 A CN112337010 A CN 112337010A CN 202011288566 A CN202011288566 A CN 202011288566A CN 112337010 A CN112337010 A CN 112337010A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides a modularized microcomputer type oil-discharging and nitrogen-injecting control device, which comprises the following steps: when the device successfully sends any one of a fire extinguishing starting signal, an explosion-proof starting signal, a manual starting signal and a remote starting signal and does not have any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal, the device sends an oil discharge starting signal; (if not according to the above-mentioned logic, send out the signal that the action starts the failure) after the apparatus sends out the oil drain and starts the signal, confirm through delaying (delay can set up by oneself) that the oil drain valve opens and start the nitrogen injection valve outlet, confirm that the nitrogen injection valve opens and send out the oil drain and inject the nitrogen and start and finish the signal; if the device does not receive an opening signal from the oil discharge valve after the delay waiting time is over after sending an oil discharge starting signal, or does not receive an opening signal from the nitrogen injection valve within 10 seconds after sending a nitrogen injection valve opening signal, then a signal of action starting failure is sent.
Description
Technical Field
The invention mainly relates to a transformer fire-fighting auxiliary facility controller, in particular to a modularized microcomputer type oil-discharging and nitrogen-injecting control device.
Background
The control system of the main transformer oil discharging and nitrogen injecting fire extinguishing device operated in the existing transformer substation combines a large number of electromagnetic relays to realize the functions of logic judgment and outlet action, and because relay manufacturers are numerous, the control management difficulty is high, the anti-interference capability is weak, the main transformer is easy to trip due to misoperation, and the operation and maintenance are also very inconvenient.
However, at present, the related research at home and abroad only needs to enhance the reliability of the related primary equipment mechanism and increase more locking conditions from the secondary circuit to reduce the possibility of the misoperation of the traditional device, and the problem of insufficient reliability caused by the large-scale use of the electromagnetic relay cannot be fundamentally solved. Therefore, a control system of the oil-discharging and nitrogen-injecting device adopting a new technology and a new process design is urgently needed to be developed, so that the reliability of the main transformer oil-discharging and nitrogen-injecting fire extinguishing control device is improved.
Disclosure of Invention
The invention mainly provides a modularized microcomputer type oil discharging and nitrogen injecting control device which is used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a nitrogen controlling means is annotated to modularization microcomputer type oil extraction, this device oil extraction annotates nitrogen action process: when the device successfully sends any one of a fire extinguishing starting signal, an explosion-proof starting signal, a manual starting signal and a remote starting signal and does not have any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal, the device sends an oil discharge starting signal; (if not according to the above-mentioned logic, send out the signal that the action starts the failure) after the apparatus sends out the oil drain and starts the signal, confirm through delaying (delay can set up by oneself) that the oil drain valve opens and start the nitrogen injection valve outlet, confirm that the nitrogen injection valve opens and send out the oil drain and inject the nitrogen and start and finish the signal; if the device does not receive the opening signal from the oil drain valve after the delay waiting time is over after sending the oil drain starting signal, or does not receive the opening signal from the nitrogen injection valve within 10 seconds after sending the nitrogen injection valve opening signal, the device sends a signal of failure of action starting.
Further, the starting conditions of the fire extinguishing starting signal of the device are as follows: when the device is put into an automatic mode, a fire extinguishing soft pressing plate arranged in the device is in an input state, 4 pieces of action information of a signal of a fire detector 1, a signal of a fire detector 2, heavy gas and tripping of switches on all sides are received at the same time, and any one of a closing signal of an overhaul valve, a locking signal of an oil discharge valve and a locking signal of a nitrogen valve does not exist, the device starts an automatic fire extinguishing function and sends a signal for starting fire extinguishing; if the above logic is not met, a fire extinguishing start failure is signaled.
Further, the explosion-proof starting condition of the device is as follows: when the device is put into an automatic mode, an explosion-proof soft pressing plate arranged in the device is in an input state, and simultaneously receives an oil tank overpressure signal, heavy gas and 3 pieces of action information of tripping of switches on all sides, and any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts an automatic explosion-proof function and sends out an explosion-proof starting signal; if the logic is not met, the explosion-proof starting failure is signaled.
Further, the manual starting condition of the device is as follows: the manual starting is divided into two conditions, namely starting after the tripping position of each side switch of the transformer needs to be determined, and starting without determining the tripping position of each side switch of the transformer.
(1) The starting conditions after the tripping positions of the switches on all sides of the transformer need to be judged:
if the pressure plate with the trip locking released is not put into the device, no matter the device is in a manual putting mode or an automatic putting mode, when a manual starting opening signal is received, the device simultaneously receives the tripping action information of each side switch, and when any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts a manual starting function and sends out a manual starting signal; if the logic is not met, a manual start failure is signaled.
(2) The starting conditions of the tripping positions of the switches on all sides of the transformer do not need to be judged:
if the pressure plate with the trip blocking release is put into the device, no matter the device is in a manual putting mode or an automatic putting mode, when a manual starting opening signal is received and any one of a maintenance valve closing signal, an oil discharge valve blocking signal and a nitrogen valve blocking signal does not exist, the device starts a manual starting function and sends out a manual starting signal; if the logic is not met, a manual start failure is signaled.
Further, the remote starting condition of the device is as follows: if the pressing plate which is remotely put into the device is put into the device, no matter the device is in a manual putting mode or an automatic putting mode, when a remote control command is received, the tripping information of each side switch is received at the same time, and when any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts a remote starting function and sends a remote starting signal; if the logic is not met, a remote boot failure is signaled.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, by any one of the fire extinguishing starting signal, the explosion-proof starting signal, the manual starting signal and the remote starting signal, the oil-discharging nitrogen-injecting fire extinguishing system can be started to quickly discharge hot oil and forcibly cool the residual transformer oil when the transformer has a serious fault, and the injected nitrogen can fully dilute oxygen, so that the purpose of quickly extinguishing fire is achieved; and meanwhile, the action result of each step is sent out in a signal mode, and a detailed basis is provided for later investigation processing.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic block diagram of the oil-draining and nitrogen-injecting process of the present invention;
FIG. 2 is a schematic diagram of the fire suppression initiation conditions of the present invention;
FIG. 3 is a schematic diagram of an explosion proof start condition of the present invention;
FIG. 4 is a schematic diagram of a manual start condition of the present invention;
FIG. 5 is a schematic diagram of the remote start condition of the present invention.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Please refer to fig. 1-5, a modularized microcomputer oil-discharging and nitrogen-injecting control device, the oil-discharging and nitrogen-injecting operation process of the device: when the device successfully sends any one of a fire extinguishing starting signal, an explosion-proof starting signal, a manual starting signal and a remote starting signal and does not have any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal, the device sends an oil discharge starting signal; (if not according to the above-mentioned logic, send out the signal that the action starts the failure) after the apparatus sends out the oil drain and starts the signal, confirm through delaying (delay can set up by oneself) that the oil drain valve opens and start the nitrogen injection valve outlet, confirm that the nitrogen injection valve opens and send out the oil drain and inject the nitrogen and start and finish the signal; if the device does not receive the opening signal from the oil drain valve after the delay waiting time is over after sending the oil drain starting signal, or does not receive the opening signal from the nitrogen injection valve within 10 seconds after sending the nitrogen injection valve opening signal, the device sends a signal of failure of action starting.
Please refer to fig. 2, the fire extinguishing starting condition of the device is as follows: when the device is put into an automatic mode, a fire extinguishing soft pressing plate arranged in the device is in an input state, 4 pieces of action information of a signal of a fire detector 1, a signal of a fire detector 2, heavy gas and tripping of switches on all sides are received at the same time, and any one of a closing signal of an overhaul valve, a locking signal of an oil discharge valve and a locking signal of a nitrogen valve does not exist, the device starts an automatic fire extinguishing function and sends a signal for starting fire extinguishing; if the above logic is not met, a fire extinguishing start failure is signaled.
Please refer to fig. 3, the explosion-proof starting condition of the device is as follows: when the device is put into an automatic mode, an explosion-proof soft pressing plate arranged in the device is in an input state, and simultaneously receives an oil tank overpressure signal, heavy gas and 3 pieces of action information of tripping of switches on all sides, and any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts an automatic explosion-proof function and sends out an explosion-proof starting signal; if the logic is not met, the explosion-proof starting failure is signaled.
Please refer to fig. 4, the manual start condition of the device is: the manual starting is divided into two conditions, namely starting after the tripping position of each side switch of the transformer needs to be determined, and starting without determining the tripping position of each side switch of the transformer.
(1) The starting conditions after the tripping positions of the switches on all sides of the transformer need to be judged:
if the pressure plate with the trip locking released is not put into the device, no matter the device is in a manual putting mode or an automatic putting mode, when a manual starting opening signal is received, the device simultaneously receives the tripping action information of each side switch, and when any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts a manual starting function and sends out a manual starting signal; if the logic is not met, a manual start failure is signaled.
(2) The starting conditions of the tripping positions of the switches on all sides of the transformer do not need to be judged:
if the pressure plate with the trip blocking release is put into the device, no matter the device is in a manual putting mode or an automatic putting mode, when a manual starting opening signal is received and any one of a maintenance valve closing signal, an oil discharge valve blocking signal and a nitrogen valve blocking signal does not exist, the device starts a manual starting function and sends out a manual starting signal; if the logic is not met, a manual start failure is signaled.
Please refer to fig. 5, the remote start condition of the present device is: if the pressing plate which is remotely put into the device is put into the device, no matter the device is in a manual putting mode or an automatic putting mode, when a remote control command is received, the tripping information of each side switch is received at the same time, and when any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts a remote starting function and sends a remote starting signal; if the logic is not met, a remote boot failure is signaled.
The invention is described as follows:
the device will report a start failure and stop when there are several conditions.
1. There are maintenance valve closing signal, oil drain valve locking signal and nitrogen filling valve locking signal.
2. After the oil drain valve opening signal is sent out, the opening signal from the oil drain valve is not received after the nitrogen injection waiting time is over.
3. And 10S after the nitrogen filling valve opening signal is sent, the opening signal from the nitrogen filling valve is not received.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (5)
1. The utility model provides a nitrogen controlling means is annotated to modularization microcomputer type oil extraction which characterized in that, this device oil extraction annotates nitrogen action process: when the device successfully sends any one of a fire extinguishing starting signal, an explosion-proof starting signal, a manual starting signal and a remote starting signal and does not have any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal, the device sends an oil discharge starting signal; (if not according to the above-mentioned logic, send out the signal that the action starts the failure) after the apparatus sends out the oil drain and starts the signal, confirm through delaying (delay can set up by oneself) that the oil drain valve opens and start the nitrogen injection valve outlet, confirm that the nitrogen injection valve opens and send out the oil drain and inject the nitrogen and start and finish the signal; if the device does not receive the opening signal from the oil drain valve after the delay waiting time is over after sending the oil drain starting signal, or does not receive the opening signal from the nitrogen injection valve within 10 seconds after sending the nitrogen injection valve opening signal, the device sends a signal of failure of action starting.
2. The modularized microcomputer type oil-discharging and nitrogen-injecting control device is characterized in that the device is started under the fire extinguishing starting condition that: when the device is put into an automatic mode, a fire extinguishing soft pressing plate arranged in the device is in an input state, 4 pieces of action information of a signal of a fire detector 1, a signal of a fire detector 2, heavy gas and tripping of switches on all sides are received at the same time, and any one of a closing signal of an overhaul valve, a locking signal of an oil discharge valve and a locking signal of a nitrogen valve does not exist, the device starts an automatic fire extinguishing function and sends a signal for starting fire extinguishing; if the above logic is not met, a fire extinguishing start failure is signaled.
3. The modularized microcomputer type oil discharging and nitrogen injecting control device is characterized in that the device has the following explosion-proof starting conditions: when the device is put into an automatic mode, an explosion-proof soft pressing plate arranged in the device is in an input state, and simultaneously receives an oil tank overpressure signal, heavy gas and 3 pieces of action information of tripping of switches on all sides, and any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts an automatic explosion-proof function and sends out an explosion-proof starting signal; if the logic is not met, the explosion-proof starting failure is signaled.
4. The modularized microcomputer type oil discharging and nitrogen injecting control device is characterized in that the device is manually started under the conditions that: the manual starting is divided into two conditions, namely starting after the tripping position of each side switch of the transformer needs to be determined, and starting without determining the tripping position of each side switch of the transformer.
(1) The starting conditions after the tripping positions of the switches on all sides of the transformer need to be judged:
if the pressure plate with the trip locking released is not put into the device, no matter the device is in a manual putting mode or an automatic putting mode, when a manual starting opening signal is received, the device simultaneously receives the tripping action information of each side switch, and when any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts a manual starting function and sends out a manual starting signal; if the logic is not met, a manual start failure is signaled.
(2) The starting conditions of the tripping positions of the switches on all sides of the transformer do not need to be judged:
if the pressure plate with the trip blocking release is put into the device, no matter the device is in a manual putting mode or an automatic putting mode, when a manual starting opening signal is received and any one of a maintenance valve closing signal, an oil discharge valve blocking signal and a nitrogen valve blocking signal does not exist, the device starts a manual starting function and sends out a manual starting signal; if the logic is not met, a manual start failure is signaled.
5. The modularized microcomputer type oil discharging and nitrogen injecting control device is characterized in that the device is started remotely according to the following conditions: if the pressing plate which is remotely put into the device is put into the device, no matter the device is in a manual putting mode or an automatic putting mode, when a remote control command is received, the tripping information of each side switch is received at the same time, and when any one of a maintenance valve closing signal, an oil discharge valve locking signal and a nitrogen valve locking signal does not exist, the device starts a remote starting function and sends a remote starting signal; if the logic is not met, a remote boot failure is signaled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288566.0A CN112337010A (en) | 2020-11-17 | 2020-11-17 | Modularized microcomputer type oil discharge and nitrogen injection control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011288566.0A CN112337010A (en) | 2020-11-17 | 2020-11-17 | Modularized microcomputer type oil discharge and nitrogen injection control device |
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| CN112337010A true CN112337010A (en) | 2021-02-09 |
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| CN202011288566.0A Pending CN112337010A (en) | 2020-11-17 | 2020-11-17 | Modularized microcomputer type oil discharge and nitrogen injection control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253120A (en) * | 2022-03-16 | 2022-11-01 | 国网甘肃省电力公司天水供电公司 | Microcomputer type transformer oil discharge and nitrogen injection fire extinguishing control box |
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2020
- 2020-11-17 CN CN202011288566.0A patent/CN112337010A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115253120A (en) * | 2022-03-16 | 2022-11-01 | 国网甘肃省电力公司天水供电公司 | Microcomputer type transformer oil discharge and nitrogen injection fire extinguishing control box |
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