CN206007845U - A kind of cable duct security protection system and cable duct - Google Patents
A kind of cable duct security protection system and cable duct Download PDFInfo
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- CN206007845U CN206007845U CN201621077058.7U CN201621077058U CN206007845U CN 206007845 U CN206007845 U CN 206007845U CN 201621077058 U CN201621077058 U CN 201621077058U CN 206007845 U CN206007845 U CN 206007845U
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- fire
- cable duct
- cable
- temperature
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Abstract
The utility model embodiment discloses a kind of cable duct security protection system, including：Control main frame；Also include：At least one detector unit and at least one fireproof fire-extinguishing unit；Whether the detector unit, for detecting the temperature inside cable duct higher than preset temperature；The detector unit detects temperature inside the cable duct when being higher than the preset temperature, sends heat alarm to the control main frame；The control main frame, for sending temperature alarm according to the heat alarm, and controls the fireproof fire-extinguishing unit and carries out cooling process.The cable duct security protection system that the utility model embodiment is provided, by detecting cable duct inner case, can find in time and process the abnormal conditions in cable duct, effectively take precautions against on fire in cable duct, it is ensured that the safety of facility in cable duct.
Description
Technical field
The utility model is related to technical field of automatic control, more particularly to a kind of cable duct security protection system and electricity
Cable ditch.
Background technology
Now, with the popularization and the raising of people's quality of life of power system, transformer station can safety and stability reliable
Power supply is most important for the development and people's life of entire society.The stable operation of power transformation station equipment determines transformer station
It is capable of the power supply of safety and stability.And power transformation station equipment is mainly by being laid on power supply in the equipment cable docking station in cable duct
To run.When occurring the condition of a fire in cable duct, equipment safety in transformer station will be endangered, the normal operation of transformer station will be affected.Therefore,
Equipment cable in cable duct can have the protection device of complete fireproof fire-extinguishing be transformer station can safety and stability reliably supply
One of key of electricity.
Inside existing transformer station simply by using fireproof cable or in cable duct using back-fire relief isolation baffle plate etc.
Device is preventing the equipment cable inside cable duct on fire.Firebreak device inside cable duct is more simple and crude, and flameproof effect is failed to understand
Aobvious.
Utility model content
In view of this, the utility model provides a kind of cable duct security protection system and cable duct, existing to solve
Firebreak device in technology inside cable duct is more simple and crude, the unconspicuous problem of flameproof effect.
The cable duct security protection system that the utility model embodiment is provided, including：Control main frame；Also include：At least one
Individual detector unit and at least one fireproof fire-extinguishing unit；
Whether the detector unit, for detecting the temperature inside cable duct higher than preset temperature；The detector unit inspection
When the temperature measured inside the cable duct is higher than the preset temperature, heat alarm is sent to the control main frame；
The control main frame, for sending temperature alarm according to the heat alarm, and controls the fireproof fire-extinguishing unit
Carry out cooling process.
Preferably,
Whether the detector unit, be additionally operable to detect on fire inside the cable duct；The detector unit detects described
When on fire inside cable duct, signal on fire is sent to the control main frame；
The control main frame, is additionally operable to send fire alarm according to the signal on fire, and controls the fireproof fire-extinguishing list
Unit carries out fire extinguishing process.
Preferably, also include：At least one fire wall；
The fire wall is located inside the cable duct, and the cable duct is divided into different regions, the cable duct
A detector unit and a fireproof fire-extinguishing unit is provided with each region；
The cable for being provided with laying in through hole, the cable duct on the fire wall is passed through from the through hole.
Preferably, the detector unit, including：Temperature sensor；
The temperature sensor is arranged in the cable duct near the cable of laying, for detecting near the cable
Temperature；, when the temperature near the cable is detected higher than the preset temperature, it is described overheated to send for the temperature sensor
Signal is to the control main frame.
Preferably, the detector unit, including：Temperature sensor and smoke inductor；
The temperature sensor is arranged in the cable duct near the cable of laying, for detecting near the cable
Temperature；The temperature sensor detects temperature near the cable when being higher than the preset temperature, sends the overheated letter
Number to the control main frame；
The control main frame sends the temperature alarm according to the heat alarm, and controls the fireproof fire-extinguishing unit and enter
Row cooling is processed.
The smoke inductor, for detecting the smog around the smoke inductor；The smoke inductor is detected
During smog, smoke signal is sent to the control main frame；
The control main frame sends the fire alarm according to the heat alarm and the smoke signal, and controls described
Fireproof fire-extinguishing unit carries out fire extinguishing process.
Preferably, the fireproof fire-extinguishing unit, including：Fire-smothering gear and/or spray equipment；
The fire-smothering gear, for gas injection extinguishing chemical, to carry out lower the temperature process and/or fire extinguishing process；
The spray equipment, for spraying liquid extinguisher, to carry out lower the temperature process and/or fire extinguishing process.
Preferably,
The gas extinguishing agent is carbon dioxide or inert gas or heptafluoro-propane or nitrogen；
The liquid extinguisher is water.
Preferably, the temperature sensor is temperature sensing cable.
The utility model embodiment additionally provides a kind of cable duct, including described cable duct security protection system.
Preferably,
Rising main or descending cable is equipped with the cable duct；
The rising main and the descending cable are fireproof cable；
Wherein, the rising main is used for transmitting the data that the equipment sends, and the descending cable is used for setting for described
Available electricity, the descending cable are additionally operable to transfer data to the equipment.
Compared with prior art, the utility model at least has advantages below：
The utility model embodiment provide cable duct security protection system, after testing unit detection cable duct in feelings
Condition, judges situation overheated and on fire whether occur in cable duct.Detector unit notifies control master when above-mentioned situation is detected
Machine.Control main frame when the notice of detector unit is received, lowered the temperature or fire extinguishing is processed by control fireproof fire-extinguishing unit, to ensure
The safety of equipment in cable duct, and notify cable duct attendant or equipment operations staff to carry out respective handling.The utility model
The cable duct security protection system that embodiment is provided, by detecting cable duct inner case, can find in time and process cable
Abnormal conditions in ditch, effectively take precautions against on fire in cable duct, it is ensured that the safety of facility in cable duct.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work,
Can be with according to these other accompanying drawings of accompanying drawings acquisition.
The structural representation of the cable duct security protection system embodiment one that Fig. 1 is provided for the utility model；
The structural representation of the cable duct security protection system embodiment two that Fig. 2 is provided for the utility model.
Specific embodiment
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the utility model reality
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Embodiment in based on the utility model,
The every other embodiment obtained under the premise of creative work is not made by those of ordinary skill in the art, belongs to this reality
With novel protected scope.
System embodiment one：
The structural representation of the cable duct security protection system embodiment one provided for the utility model referring to Fig. 1, the figure.
The cable duct security protection system that the present embodiment is provided, including：Control main frame 100；Also include：At least one detection
Unit 200 and at least one fireproof fire-extinguishing unit 300；
Whether the detector unit 200, for detecting the temperature inside the cable duct higher than preset temperature；Detector unit
200 when to detect temperature inside the cable duct be higher than the preset temperature, sends heat alarm to the control main frame
100；
It is understood that for preventing cable duct inner cable from damaging, causing facility and property loss, should carrying out before on fire
Fire prevention measure.
Therefore, temperature in cable duct need to be monitored, when cable duct internal temperature is higher than preset temperature, that is, thinks
Existing possibility on fire is larger, need to carry out cooling process on fire to prevent.
Explanation is needed exist for, preset temperature is on fire early warning of the those skilled in the art according to set by actual conditions
Temperature.Preset temperature may be configured as 85 degrees Celsius etc., and here will not enumerate.
Now, when whether the temperature that detector unit 200 detects a certain section inside cable duct is higher than 85 degrees Celsius, send
Heat alarm is to the control main frame 100.Heat alarm carries the specifying information (such as positional information etc.) of superheat region.
The control main frame 100, for sending temperature alarm according to the heat alarm, and controls the fireproof fire-extinguishing list
Unit 300 carries out cooling process.
After control main frame 100 receives heat alarm, send temperature alarm to notify cable duct attendant or equipment fortune
There is overheat condition in administrative staff's cable duct.Temperature alarm shows the concrete region that overheat condition occurs, and ties up in order to cable duct
Shield personnel or equipment operations staff carry out respective handling.Meanwhile, control main frame 100 also controls fireproof fire-extinguishing unit 300 and is dropped
Temperature is processed, and is reduced temperature in cable duct, is prevented on fire.
Explanation is needed exist for, as cable duct inner cable is made using waterproof material, fireproof fire-extinguishing unit 300 can
Cooling process is carried out using modes such as Water spray, dry ice gasifications, the specific operation process of other cooling methods and cooling is no longer
Enumerate.
Also, it should be noted in practical operation, due to the realization of detector unit 200 and fireproof fire-extinguishing unit 300
Equipment all has certain usable range, need to arrange multiple detector units 200 and fireproof fire-extinguishing unit 300 in cable duct.Per
Spacing between group detector unit 200 and fireproof fire-extinguishing unit 300 according to the actual conditions of cable duct and can realize the property of equipment
Specifically can set.For example, a detector unit 200 and a fireproof fire-extinguishing unit can be arranged in cable duct every 25 meters
300.The distance between distance and each fireproof fire-extinguishing unit 300 between each detector unit 200 is also 25 meters.
Additionally, when implementing, may due to flameproof effect is not good or other factors cause on fire in cable duct.
In one example, in order to further improve the safety of cable duct, prevent facility in cable duct from damaging, the detection
Whether unit 200, be additionally operable on fire inside detection cable duct；When detector unit 200 detects on fire inside the cable duct, send out
Signal on fire is sent to the control main frame 100；
Need exist for explanation, whether overheated detector unit 200 by detecting in cable duct and there can be cigarette judging electricity
Whether on fire in cable ditch.When detector unit 200 detect inside cable duct a certain section on fire when, send signal on fire to the control
Main frame processed 100.Signal on fire carries the specifying information (such as positional information etc.) in region on fire.
The control main frame 100, is additionally operable to send fire alarm according to the signal on fire, and controls the fireproof fire-extinguishing
Unit 300 carries out fire extinguishing process.
After control main frame 100 receives signal on fire, send alarm on fire to notify cable duct attendant or equipment fortune
On fire in administrative staff's cable duct.Fire alarm shows concrete region on fire, runs in order to cable duct attendant or equipment
Personnel carry out respective handling.Meanwhile, control main frame 100 also controls fireproof fire-extinguishing unit 300 and carries out fire extinguishing process.
Explanation is needed exist for, fireproof fire-extinguishing unit 300 can be carried out using modes such as Water spray, dry ice gasification, dry powder
Fire extinguishing is processed, and the specific operation process of other cooling methods and cooling will not enumerate.
The cable duct security protection system that the present embodiment is provided, the situation in unit detection cable duct, judges electricity after testing
Whether overheated and on fire situation is occurred in cable ditch.Detector unit notifies control main frame when above-mentioned situation is detected.Control main frame
When the notice of detector unit is received, control fireproof fire-extinguishing unit is lowered the temperature or fire extinguishing is processed, to ensure to set in cable duct
Standby safety, and notify cable duct attendant or equipment operations staff to carry out respective handling.The cable duct that the present embodiment is provided
Security protection system, by detecting cable duct inner case, can find in time and process the abnormal conditions in cable duct, effectively
Take precautions against on fire in cable duct, it is ensured that the safety of facility in cable duct.
System embodiment two：
The structural representation of the cable duct security protection system embodiment two provided for the utility model referring to Fig. 2, the figure.
Compared to Fig. 1, a kind of more specific cable duct security protection system is present embodiments provided.
In the cable duct security protection system that the present embodiment is provided, the detector unit, including：Temperature sensor 201；
The temperature sensor 201 is arranged in the cable duct near the cable of laying, attached for detecting the cable
Near temperature；The temperature sensor 201 sends institute when the temperature near the cable is detected higher than the preset temperature
Heat alarm is stated to the control main frame 100.
It is understood that temperature sensor 201 to be next to the position of cable, cable can be more accurately monitored
The temperature of ditch inner cable, prevents cable on fire.
For improving the precision of temperature sense, temperature sensing cable when being embodied as, can be adopted as temperature sensor 201 to cable
The temperature of ditch is monitored.During laying cable, temperature sensing cable is laid on the position close to equipment cable, so that temperature sensing cable is smart
The temperature of true testing equipment cable.The concrete operating principle of temperature sensing cable will not be described here.
In one example, in order to further improve the safety of cable duct, prevent facility in cable duct from damaging, the detection
Unit, including：Temperature sensor 201 and smoke inductor 202；
The temperature sensor 201 is arranged in the cable duct near the cable of laying, attached for detecting the cable
Near temperature；The temperature sensor 201 detects temperature near the cable when being higher than the preset temperature, sends described
Heat alarm is to the control main frame 100；
The control main frame 100 sends the temperature alarm according to the heat alarm, and controls the fireproof fire-extinguishing list
Unit 300 carries out cooling process.
Heat alarm carries the specifying information (such as positional information etc.) of superheat region.
Need exist for explanation, can adopt when being embodied as temperature sensing cable as temperature sensor 201 with realization to electricity
The monitoring of cable ditch temperature.Now, temperature sensing cable can be used in monitoring the temperature of cable duct and transmitting temperature data to control incessantly
Main frame processed 100, moreover it is possible to by the data transfer of smoke inductor 202 to control main frame 100, and the control of control main frame 100 is believed
Number transmit to fireproof fire-extinguishing unit 300.
The smoke inductor 202, for detecting the smog around the smoke inductor；The smoke inductor 202
When detecting smog, smoke signal is sent to the control main frame 100；
Smoke signal carries the specifying information (such as positional information etc.) of smoke region.
The control main frame 100 sends the fire alarm according to the heat alarm and the smoke signal, and controls
The fireproof fire-extinguishing unit 300 carries out fire extinguishing process.
It is understood that when occurring overheated and smog in cable duct simultaneously, you can determine on fire in cable duct, control
Main frame 100 sends fire alarm, and controls fireproof fire-extinguishing unit 300 and carry out fire extinguishing process.
Also, it should be noted for preventing impact of the rub-out signal to cable duct security protection system normal work, working as control
When main frame processed 100 receives heat alarm, cooling process can be carried out by fireproof fire-extinguishing unit 300 is controlled after manual confirmation again.With
Reason, after control main frame 100 is simultaneously received heat alarm and smoke signal, controls fireproof fire-extinguishing unit after manual confirmation again
300 carry out fire extinguishing process.
Additionally, fireproof fire-extinguishing unit 300 can realize lowering the temperature using following several devices and fire extinguishing is processed.
The fireproof fire-extinguishing unit 300, including：Fire-smothering gear and/or spray equipment；
The fire-smothering gear, for gas injection extinguishing chemical, to carry out lower the temperature process and/or fire extinguishing process；
The spray equipment, for spraying liquid extinguisher, to carry out lower the temperature process and/or fire extinguishing process.
It should be noted that those skilled in the art can be specifically chosen using which kind of device according to actual conditions and needs
To reach the effect of cooling and fire extinguishing.For example, fire-smothering gear and spray equipment can be used simultaneously as fireproof fire-extinguishing unit
300, or fire-smothering gear or spray equipment is only used as fireproof fire-extinguishing unit 300.
It is understood that the gas extinguishing agent can be carbon dioxide or inert gas or heptafluoro-propane or nitrogen
Deng；The liquid extinguisher is water.The concrete operating principle of fire-smothering gear and spray equipment will not be described here.
It should be noted that, fireproof fire-extinguishing unit 300 can also realize using dry powder extinguishing installation that fire extinguishing is processed.
Based on above system, the present embodiment also provides a kind of more excellent implementation.
On the basis of system above, the cable duct security protection system that the present embodiment is provided also includes：At least one prevents
Wall with flues (is not shown)；
It should be noted that fire wall can be made up of fire proofing material, specifically choose also dependent on actual conditions, here is no longer
Enumerate.
The fire wall is located inside the cable duct, and the cable duct is divided into different regions, the cable duct
A detector unit and a fireproof fire-extinguishing unit 300 is provided with each region；
The cable for being provided with laying in through hole, the cable duct on the fire wall is passed through from the through hole.
During actual laying cable duct, cable duct can be divided into multiple regions using multiple fire walls, to improve fireproof fire-extinguishing
Efficiency.One detector unit and a fireproof fire-extinguishing unit 300 are set between each fire wall, and the interval between each fire wall can
Determined by the usable range of detector unit and fireproof fire-extinguishing unit 300.
For example, the wiring of temperature sensing cable, the length of temperature sensing cable and cable duct length phase, during laying, are carried out in cable duct
With.Afterwards, a fire wall is set every 25 meters, a smoke inductor 202 and a fireproof fire-extinguishing is set between two fire walls
Unit 300.The distance between distance and each fireproof fire-extinguishing unit 300 between each smoke inductor 202 is also 25 meters.Work
When, the sensing of smoke inductor 202 its when nearby there is smog, send smoke signal immediately through temperature sensing cable to control main frame 100.
Smoke signal carries the information of the smoke inductor affiliated area.Temperature sensing cable sends the temperature in the region to control main frame
100.Control main frame 100 determines overheated (or on fire) region, triggers the region according to the temperature signal (and smoke signal) for receiving
Fireproof fire-extinguishing unit 300 lowered the temperature (or fire extinguishing) process, and send temperature alarm (or fire alarm) and notify cable duct dimension
Shield personnel or equipment operations staff abnormal conditions and abnormal scene, are easy to cable duct attendant or equipment operations staff to enter
Row subsequent treatment.
Based on the cable duct security protection system that above example is provided, the utility model embodiment additionally provides a kind of electricity
Cable ditch, including the cable duct security protection system that above-described embodiment is provided.The cable duct that the utility model embodiment is provided, works as electricity
When occurring temperature anomaly rising in cable ditch, avoid causing power transformation because catching fire in cable duct to control main frame by sending alarm
There is exception in station equipment control or power supply, and then cause the situation of the massive blackout of electrical network.
Additionally, different in order to further avoid causing because catching fire in cable duct the control of power transformation station equipment or power supply from occurring
Often, so cause electrical network massive blackout situation, the cable duct that the present embodiment is provided is by rising main and descending cable point
Open laying.Rising main or descending cable are only equipped with every cable duct；The rising main and the descending cable are
Fireproof cable；
Wherein, the rising main is used for transmitting the data that the equipment sends, and the descending cable is used for setting for described
Available electricity, the descending cable are additionally operable to transfer data to the equipment.
When being embodied as, two cable ducts can be set between host computer and equipment：First cable duct and the second cable duct.
Equipment sends data by the cable reception data in the first cable duct or power supply by the total cable of the second cable duct.
Finally, it should be noted that herein, such as first and second or the like relational terms are used merely to one
Individual entity or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or operate it
Between exist any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that a series of article or equipment including key elements not only includes those key elements, and
Also include other key elements being not expressly set out, or also include the key element intrinsic for this article or equipment.Do not having
In the case of having more restrictions, the key element that limited by sentence "including a ...", it is not excluded that in the thing for including the key element
Also there is other identical element in product or equipment.
The above, is only preferred embodiment of the present utility model, not the utility model is made any formal
Restriction.Although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model.Any ripe
Those skilled in the art is known, under without departing from technical solutions of the utility model ambit, all using the side of the disclosure above
Method and technology contents make many possible variations and modification to technical solutions of the utility model, or be revised as equivalent variations etc.
Effect embodiment.Therefore, every content without departing from technical solutions of the utility model, according to technical spirit of the present utility model to
Any simple modification, equivalent variations and modification that upper embodiment is made, still fall within the model of technical solutions of the utility model protection
In enclosing.
Claims (10)
1. a kind of cable duct security protection system, it is characterised in that include：Control main frame；Also include：At least one detector unit
With at least one fireproof fire-extinguishing unit；
Whether the detector unit, for detecting the temperature inside cable duct higher than preset temperature；The detector unit is detected
When temperature inside the cable duct is higher than the preset temperature, heat alarm is sent to the control main frame；
The control main frame, for sending temperature alarm according to the heat alarm, and controls the fireproof fire-extinguishing unit and carries out
Cooling is processed.
2. cable duct security protection system according to claim 1, it is characterised in that
Whether the detector unit, be additionally operable to detect on fire inside the cable duct；The detector unit detects the cable
When on fire inside ditch, signal on fire is sent to the control main frame；
The control main frame, is additionally operable to send fire alarm according to the signal on fire, and controls the fireproof fire-extinguishing unit
Row fire extinguishing is processed.
3. cable duct security protection system according to claim 1, it is characterised in that also include：At least one fire wall；
The fire wall is located inside the cable duct, and the cable duct is divided into different regions, the cable duct each
A detector unit and a fireproof fire-extinguishing unit is provided with region；
The cable for being provided with laying in through hole, the cable duct on the fire wall is passed through from the through hole.
4. cable duct security protection system according to claim 1, it is characterised in that the detector unit, including：Temperature
Sensor；
The temperature sensor is arranged in the cable duct near the cable of laying, for detecting the temperature near the cable
Degree；The temperature sensor sends the overheated letter when the temperature near the cable is detected higher than the preset temperature
Number to the control main frame.
5. cable duct security protection system according to claim 2, it is characterised in that the detector unit, including：Temperature
Sensor and smoke inductor；
The temperature sensor is arranged in the cable duct near the cable of laying, for detecting the temperature near the cable
Degree；The temperature sensor detects temperature near the cable when being higher than the preset temperature, sends the heat alarm
To the control main frame；
The control main frame sends the temperature alarm according to the heat alarm, and controls the fireproof fire-extinguishing unit and dropped
Temperature is processed；
The smoke inductor, for detecting the smog around the smoke inductor；The smoke inductor detects smog
When, smoke signal is sent to the control main frame；
The control main frame sends the fire alarm according to the heat alarm and the smoke signal, and controls the fire prevention
Fire extinguishing unit carries out fire extinguishing process.
6. cable duct security protection system according to claim 1 and 2, it is characterised in that the fireproof fire-extinguishing unit, bag
Include：Fire-smothering gear and/or spray equipment；
The fire-smothering gear, for gas injection extinguishing chemical, to carry out lower the temperature process and/or fire extinguishing process；
The spray equipment, for spraying liquid extinguisher, to carry out lower the temperature process and/or fire extinguishing process.
7. cable duct security protection system according to claim 6, it is characterised in that
The gas extinguishing agent is carbon dioxide or inert gas or heptafluoro-propane or nitrogen；
The liquid extinguisher is water.
8. the cable duct security protection system according to claim 4 or 5, it is characterised in that the temperature sensor is sense
Warm cable.
9. a kind of cable duct, it is characterised in that including the cable duct security protection system described in any one of claim 1 to 8.
10. cable duct according to claim 9, it is characterised in that
Rising main or descending cable is equipped with the cable duct；
The rising main and the descending cable are fireproof cable；
Wherein, the rising main is used for transmitting the data that the equipment sends, and the descending cable is used for supplying for the equipment
Electricity, the descending cable are additionally operable to transfer data to the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077058.7U CN206007845U (en) | 2016-09-23 | 2016-09-23 | A kind of cable duct security protection system and cable duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621077058.7U CN206007845U (en) | 2016-09-23 | 2016-09-23 | A kind of cable duct security protection system and cable duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206007845U true CN206007845U (en) | 2017-03-15 |
Family
ID=58260480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621077058.7U Expired - Fee Related CN206007845U (en) | 2016-09-23 | 2016-09-23 | A kind of cable duct security protection system and cable duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206007845U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108785909A (en) * | 2018-04-18 | 2018-11-13 | 国网天津市电力公司电力科学研究院 | A kind of cable duct fireproof monitoring device |
| CN109794017A (en) * | 2019-01-21 | 2019-05-24 | 国家电网公司 | A kind of cable tunnel extinguishing method and system |
| CN114485799A (en) * | 2022-02-11 | 2022-05-13 | 广东电网有限责任公司 | Transformer substation cable trench monitoring system and method |
-
2016
- 2016-09-23 CN CN201621077058.7U patent/CN206007845U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108785909A (en) * | 2018-04-18 | 2018-11-13 | 国网天津市电力公司电力科学研究院 | A kind of cable duct fireproof monitoring device |
| CN109794017A (en) * | 2019-01-21 | 2019-05-24 | 国家电网公司 | A kind of cable tunnel extinguishing method and system |
| CN114485799A (en) * | 2022-02-11 | 2022-05-13 | 广东电网有限责任公司 | Transformer substation cable trench monitoring system and method |
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|---|---|---|---|
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 |