CN208888975U - Comprehensive pipe rack fire alarm system - Google Patents
Comprehensive pipe rack fire alarm system Download PDFInfo
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- CN208888975U CN208888975U CN201821718185.XU CN201821718185U CN208888975U CN 208888975 U CN208888975 U CN 208888975U CN 201821718185 U CN201821718185 U CN 201821718185U CN 208888975 U CN208888975 U CN 208888975U
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- Prior art keywords
- cable
- alarm
- temperature
- fire
- fluorescence
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- 238000012546 transfer Methods 0.000 claims abstract description 48
- 239000003973 paint Substances 0.000 claims abstract description 32
- 238000005286 illumination Methods 0.000 claims abstract description 8
- 238000002845 discoloration Methods 0.000 claims description 36
- 239000011248 coating agent Substances 0.000 claims description 30
- 238000000576 coating method Methods 0.000 claims description 30
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 230000008859 change Effects 0.000 abstract description 10
- 238000011161 development Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 230000007704 transition Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Fire-Detection Mechanisms (AREA)
Abstract
The utility model provides a utility tunnel fire alarm system, include: the device comprises a heat transfer block, a fluorescent color development plate, a camera and a fire alarm; the heat transfer block is attached to the cable, is connected with the fluorescent color development plate and is used for transferring heat generated by the cable to the fluorescent color development plate; the fluorescent color development plate is coated with temperature-sensitive color-changing paint and temperature-sensitive fluorescent paint and is used for changing the color through the temperature-sensitive color-changing paint and emitting fluorescence through the temperature-sensitive fluorescent paint when the temperature exceeds the set temperature; the camera is used for informing the fire alarm to send out an alarm after capturing the fluorescence or the color change sent by the fluorescence color development plate. The system can find that the temperature of the cable is too high in time, automatically gives an alarm, gives an alarm for potential fire hazard and early fire, is simple in structure, convenient to construct and install, capable of utilizing existing security system equipment, low in construction cost, free of influence on later-stage increase and decrease of the cable, extensible, and free of influence on conditions such as ventilation and illumination in the cabin for prediction of the fire hazard and the early fire.
Description
Technical field
The utility model relates to fire-fighting early warning field more particularly to a kind of pipe gallery fire alarm systems.
Background technique
Pipe gallery is exactly the comprehensive corridor of underground urban duct.A tunnel space is built in Urban Underground, it will be electric
Power, communication, the various utilities pipelines such as combustion gas, heat supply, plumbing are integrated in one, and are equipped with special access hole, hoisting port and monitoring
System implements unified planning, Uniting, unified construction and management, is the important infrastructure for ensureing city operations.
In recent years, pipe gallery has obtained extensive concern as the carrier that municipal pipeline is laid, each state have very at
Ripe high pressure, extra-high-tension cable enter the case of corridor, and special China's pipe gallery construction development in recent years is swift and violent, and a large amount of cables are included in comprehensive
It closes in piping lane.The fire of pipe gallery takes place mostly in power cable, discharge hidden danger can help to reduce before fire occurs
Fire damage.
In order to timely find fire or fire hazard, developed some fire detectors, mainly with cigarette sense, warming and
Subject to flame detector.Cigarette sense and flame detector, which usually need fire to have occurred and that, to be triggered, and current heat detector,
Temperature sensing optical fiber system is more complicated, expensive.In addition, there are also some schemes for carrying out fire alarm using cable, still
These schemes depend on manual inspection, cannot implement to monitor.
Therefore it is badly in need of a kind of interior use of suitable pipe gallery, can finds the excessively high system of cable temperature, and structure automatically
Simple cheap fire alarm system.
Utility model content
The utility model embodiment provides a kind of pipe gallery fire alarm system, is suitble to use in pipe gallery can be certainly
Dynamic discovery cable temperature is excessively high and structure is simply cheap, which includes: heat transfer block, fluorescence developing plate, camera and fire
Calamity alarm；
Heat transfer block is bonded with cable, is connect with fluorescence developing plate, the heat transfer for generating cable to fluorescence developing
Plate；
Fluorescence developing plate is coated with heat discoloration coating and temperature-sensitive fluorescent paint, for leading to when temperature is more than set temperature
It crosses heat discoloration coating and changes color, fluorescence is issued by temperature-sensitive fluorescent paint；
Camera is used for after the fluorescence or discoloration for capturing the sending of fluorescence developing plate, and notice fire-alarm issues police
Report.
Using a kind of pipe gallery fire alarm system provided by the embodiment of the utility model, cable temperature can be found in time
Height is spent, is sounded an alarm automatically, can be alarmed potential fire hazard and incipient fire, the system structure is simple, construction
Easy for installation, using existing security system equipment, engineering overall cost is cheap, does not influence later period increase and decrease cable, having can expand
Filling property is not influenced the prediction of fire hazard and incipient fire by conditions such as cabin room ventilation, illuminations.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of pipe gallery fire alarm system of the utility model embodiment；
Fig. 2 is a kind of side view of pipe gallery fire alarm system heat transfer block and fluorescence developing plate of the utility model embodiment
Figure；
Fig. 3 is a kind of vertical view of pipe gallery fire alarm system heat transfer block and fluorescence developing plate of the utility model embodiment
Figure；
Fig. 4 is that a kind of pipe gallery fire alarm system heat transfer block of the utility model embodiment and fluorescence developing plate are mounted on
Schematic cross-section on cable.
Specific embodiment
It is right with reference to the accompanying drawing for the objectives, technical solutions, and advantages of the embodiments of the present invention are more clearly understood
The utility model embodiment is described in further details.Here, the illustrative embodiments and their description of the utility model are for solving
The utility model is released, but is not intended to limit the scope of the present invention.
The utility model embodiment provides a kind of pipe gallery fire alarm system, is suitble to use in pipe gallery, can
Automatic discovery cable temperature is excessively high and structure is simply cheap, such as a kind of pipe gallery fire of Fig. 1 the utility model embodiment
Shown in the schematic diagram of alarm system, which includes: heat transfer block 1, fluorescence developing plate 2, cable 4, cable bearer 5,6 and of camera
Fire-alarm 7；
Heat transfer block 1 is bonded with cable 4, is connect with fluorescence developing plate 2, the heat transfer for generating cable 4 to fluorescence
Colour plate 2；
Fluorescence developing plate 2 is coated with heat discoloration coating and temperature-sensitive fluorescent paint, when the temperature of fluorescence developing plate 2 is more than setting
When temperature, heat discoloration coating color-changing, temperature-sensitive fluorescent paint issues fluorescence；
After camera 6 captures fluorescence or the discoloration of the sending of fluorescence developing plate 2, notice fire-alarm 7 is sounded an alarm.
When the temperature of cable 4 increases, the heat transfer block 1 fitted closely with cable 4 receives the heat that the transmitting of cable 4 comes,
And transfer heat to fluorescence developing plate 2；On the panel of fluorescence developing plate 2, it is coated with heat discoloration coating and temperature-sensitive fluorescence applies
Material, when the temperature of fluorescence developing plate 2 is more than set temperature, heat discoloration coating color-changing, temperature-sensitive fluorescent paint issues fluorescence, takes the photograph
After the fluorescence for capturing the sending of fluorescence developing plate 2 as first 6 or discoloration, notice fire-alarm 7 is sounded an alarm, to realize synthesis
Automatically it finds that cable temperature is excessively high to sound an alarm in piping lane, alarms potential fire hazard and incipient fire.
Heat discoloration coating be it is a kind of risen or fallen with temperature, the coating of color can be reversibly changed, when reaching temperature-sensitive
When the phase transition temperature of allochroic paint, the color of heat discoloration coating changes.Utilize the phase of variety classes heat discoloration coating
Temperature is different, different alarm threshold values can be set, to meet the alarm temperature of different cables.
Temperature-sensitive fluorescent paint is a kind of coating that can reach phase transition temperature and issue fluorescence.It is glimmering using variety classes temperature-sensitive
The phase transition temperature of optical coating is different, different alarm threshold values can be set, to meet the alarm temperature of different cables.
In the specific implementation, it is contemplated that the service life of heat discoloration coating and temperature-sensitive fluorescent paint is needed according to temperature-sensitive
The service life of allochroic paint and temperature-sensitive fluorescent paint, fixed number brushes two kinds of coating, to guarantee the normal operation of whole system.
Therefore, when the constant temperature of cable 4 increases and reaches alarm temperature, the heat transfer block 1 that is fitted closely with cable 4 and glimmering
The temperature of light colour plate 2 also reaches alarm temperature, reaches the phase of heat discoloration coating and temperature-sensitive fluorescent paint on fluorescence developing plate 2
Temperature, heat discoloration coating color-changing, temperature-sensitive fluorescent paint issue fluorescence, and camera 6 captures the glimmering of the sending of fluorescence developing plate 2
After light or discoloration, notice fire-alarm 7 is sounded an alarm.
For example, cable uses twisted polyethylene cable in an example of the utility model embodiment, alarm threshold value is
85 DEG C, therefore use phase transition temperature for 85 DEG C of heat discoloration coating and temperature-sensitive fluorescent paint；
For another example cable uses polyvinyl chloride cable, alarm threshold value in another example of the utility model embodiment
It is 65 DEG C, therefore uses phase transition temperature for 65 DEG C of heat discoloration coating and temperature-sensitive fluorescent paint.
It will be understood by those skilled in the art that considering that cable core temperature is transmitted to through insulating layer, filled layer, restrictive coating etc.
The temperature loss of colour plate, other cables can normally allow maximum operating temperature to subtract 5 DEG C to carry out a phase transition temperature according to cable core
Setting, can also according to implement when actual conditions selection heat discoloration coating and temperature-sensitive fluorescent paint phase transition temperature, these
Change case should all fall into the protection scope of the utility model.
Likewise, it will be understood by those skilled in the art that the above-mentioned choosing about heat discoloration coating and temperature-sensitive fluorescent paint
It selects by way of example only, certain forms can also be made to heat discoloration coating and temperature-sensitive fluorescent paint as needed when implementing
Change, such as modes, these change case such as mixed proportion or brushing thickness for changing two kinds of coating should all fall into the utility model
Protection scope.
In one embodiment, camera 6 is low-light camera head, and the low-light camera head in the present embodiment is known using video image
Other technology, fluorescence or discoloration to the sending of fluorescence developing plate 2 carry out automatic identification and judgement, can eliminate manually patrol in this way
Inspection bring inspection is not thorough and the big bring fire hazard of check time interval.
In one embodiment, in the case that piping lane intraoral illumination is opened, when the temperature of cable 4 increases, fitted closely with cable 4
Heat transfer block 1 receive the heat that the transmitting of cable 4 comes, and fluorescence developing plate 2 is transferred heat to, when the face of fluorescence developing plate 2
When plate temperature is more than the heat discoloration coating phase transition temperature of setting, heat discoloration coating color-changing, low-light camera head passes through video figure
As identification technology, after the panel discoloration for capturing fluorescence developing plate 2, notice fire-alarm 7 is sounded an alarm, to realize synthesis
Automatically it finds that cable temperature is excessively high to sound an alarm in piping lane, alarms potential fire hazard and incipient fire.
In one embodiment, in the case that piping lane intraoral illumination is not opened, when the temperature of cable 4 increases, closely pasted with cable 4
The heat transfer block 1 of conjunction receives the heat that the transmitting of cable 4 comes, and transfers heat to fluorescence developing plate 2, when fluorescence developing plate 2
When panel temperature is more than the temperature-sensitive fluorescent paint phase transition temperature of setting, temperature-sensitive fluorescent paint issues fluorescence, and low-light camera head passes through
Video image identification technology, capture fluorescence developing plate 2 panel issue fluorescence after, notice fire-alarm 7 sound an alarm, from
And realize that find cable temperature in pipe gallery automatically excessively high to sounding an alarm, to potential fire hazard and incipient fire into
Row alarm.
As shown in a kind of schematic diagram of pipe gallery fire alarm system of Fig. 1 the utility model embodiment, one embodiment
In, further includes: cable bearer 5,
Cable bearer 5 is set on pipe gallery wall, the electricity for fixing heat transfer block 1 He being laid on cable bearer 5
Cable 4.
Cable bearer 5 in embodiment can also be set on cable combination frame, and multiple groups cable is laid on cable group simultaneously
It closes on frame, heat transfer block 1 and multiple groups cable is fixed on cable combination frame by cable bearer 5, are conducive to the steady of system in this way
Fixed operation will not influence the normal work of heat transfer block because of vibration or other factors.
Fig. 2 is a kind of side view of pipe gallery fire alarm system heat transfer block and fluorescence developing plate of the utility model embodiment
Figure, comprising: the panel 3 of heat transfer block 1, fluorescence developing plate 2 and fluorescence developing plate, heat transfer block 1 and fluorescence developing plate 2 are connected to one
It rises, fluorescence developing plate 2 has panel 3, and the heat that cable 4 issues is transferred to fluorescence developing plate 2, fluorescence developing by heat transfer block 1
The heat discoloration coating and temperature-sensitive fluorescent paint for setting alarm temperature are coated on the panel 3 of plate 2, when the face of fluorescence developing plate 2
When the temperature of plate 3 is more than alarm temperature, heat discoloration coating color-changing, temperature-sensitive fluorescent paint issues fluorescence, and camera 6 captures glimmering
After the fluorescence of the sending of light colour plate 2 or discoloration, notice fire-alarm 7 is sounded an alarm；In one embodiment, 1 side of heat transfer block
Face is equipped with multiple grooves being bonded with cable 4: groove 101, groove 102 and groove 103.
The groove 101 that previous embodiment and Fig. 2 are mentioned, groove 102 and groove 103 are for example, those skilled in the art
Member according to the quantity of cable it is appreciated that can also change the number of groove, or groove is set to biography in the specific implementation
The two sides of heat block 1 or more sides or other forms, these change case should all fall into the protection scope of the utility model.
In order to further enhance the heat transfer efficiency of heat transfer block, since the section of existing cable is mostly circle, it incite somebody to action this
The groove 101 of embodiment, groove 102 and groove 103 are set as arc-shaped, closer can be bonded with cable 4, realize heat
Effective transmitting；Field technical staff is appreciated that in the specific implementation, when the cable for encountering other cross sectional shapes is (such as rectangular
O. cable) when, the shape of groove can be changed according to the cross-section of cable, so that heat transfer block and cable are closely bonded, these
Change case should all fall into the protection scope of the utility model.In order to further enhance the heat transfer efficiency of heat transfer block, the present embodiment
Groove is arranged to the half in covering cable section.
Fig. 3 is a kind of vertical view of pipe gallery fire alarm system heat transfer block and fluorescence developing plate of the utility model embodiment
Figure, comprising: the panel 3 of heat transfer block 1, fluorescence developing plate 2 and fluorescence developing plate；Heat transfer block 1 and fluorescence developing plate 2 are connected to one
It rising, fluorescence developing plate 2 has panel 3, by Fig. 1 and Fig. 2 combination it is found that there are two the panels 3 of fluorescence developing plate 2, therefore two
It requires to coat heat discoloration coating and temperature-sensitive fluorescent paint on panel, and the panel of one of fluorescence developing plate is aligned
Low-light camera head enables low-light camera head accurately to identify and judge discoloration or sending that fluorescence developing plate face plate is coated
Fluorescence.
The panel number and set-up mode for the fluorescence developing plate 2 mentioned in previous embodiment by way of example only, this field
Technical staff is appreciated that the panel number that can also change fluorescence developing plate 2 according to actual needs in the specific implementation, or
The panel of fluorescence developing plate 2 is changed to other forms, or the shape of the panel of fluorescence developing plate 2 is changed to other forms, this
A little change case should all fall into the protection scope of the utility model.
Fig. 4 is that a kind of pipe gallery fire alarm system heat transfer block of the utility model embodiment and fluorescence developing plate are mounted on
Schematic cross-section on cable, including: heat transfer block 1, fluorescence developing plate 2, cable 4 and cable bearer 5；In one embodiment
In, with three cables, a heat transfer block and fluorescence developing plate are placed on cable bearer and organize into groups for one, more in two teams' longitudinal arrangement
The panel face low-light camera head of the fluorescence developing plate of each marshalling is enabled low-light camera head accurately to know by a marshalling
Not and judges the discoloration of fluorescence developing plate face plate or issue fluorescence.
In one embodiment, the groove 101 of heat transfer block 1 is coated with heat conductive silica gel at groove 102 and groove 103, with cable 4
It compresses, is placed at cable bearer 5, the heat for generating cable 4 is effectively transmitted to fluorescence developing plate 2.
In one embodiment, low-light camera head be the low-light camera head being fixed in pipe gallery and/or pipe gallery from
Other forms setting low-light camera head can also be used in the specific implementation in the low-light camera head that dynamic crusing robot carries, such as
All cables in pipe gallery can be monitored jointly using monitoring matrix system.
In one embodiment, fire-alarm 7 works as pipe gallery for issuing one of sound, light, electric alarm signal or combination
When inside having operation maintenance personnel, no matter pipe gallery is interior in the unlatching of piping lane intraoral illumination or non-open state, sound, the light of alarm sending
Alarm signal can be transferred to operation maintenance personnel；When electric alarm signal is not for having operation maintenance personnel in pipe gallery, by warning message
It is transferred to the synthesis fire-fighting system or fire alarm certre of pipe gallery, carries out fire alarm.
In one embodiment, heat transfer block 1 and fluorescence developing plate 2 use same Heat Conduction Material, the one in manufacture craft
Molding；Preferably, heat transfer block 1 and fluorescence developing the plate 2 higher and lower-cost brass production using thermal coefficient.
It, will be electric by setting heat transfer block using a kind of pipe gallery fire alarm system provided by the embodiment of the utility model
The heat transfer of cable is to fluorescence developing plate, when the temperature of cable is more than the alarming value of setting, the sense that is coated on fluorescence developing plate
Warm allochroic paint and temperature-sensitive fluorescent paint change, heat discoloration coating color-changing, and temperature-sensitive fluorescent paint issues fluorescence, camera
After the fluorescence or the discoloration that capture the sending of fluorescence developing plate, notice fire-alarm is sounded an alarm.Implement using the utility model
Example can find that in time cable temperature is excessively high, sound an alarm, can alarm potential fire hazard and incipient fire automatically,
The system structure is simple, and construction and installation are convenient, and using existing security system equipment, engineering overall cost is cheap, after not influencing
Phase increases and decreases cable, has expandability, to the prediction of fire hazard and incipient fire not by the conditions shadow such as cabin room ventilation, illumination
It rings.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not used to limit this foregoing is merely specific embodiment of the utility model
The protection scope of utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of pipe gallery fire alarm system characterized by comprising heat transfer block, fluorescence developing plate, camera and fire
Alarm；
Heat transfer block is bonded with cable, is connect with fluorescence developing plate, the heat transfer for generating cable to fluorescence developing plate；
Fluorescence developing plate is coated with heat discoloration coating and temperature-sensitive fluorescent paint, for passing through sense when temperature is more than set temperature
Warm allochroic paint changes color, issues fluorescence by temperature-sensitive fluorescent paint；
Camera is used for after the fluorescence or discoloration for capturing the sending of fluorescence developing plate, and notice fire-alarm sounds an alarm.
2. pipe gallery fire alarm system as described in claim 1, which is characterized in that camera is low-light camera head.
3. pipe gallery fire alarm system as claimed in claim 2, which is characterized in that low-light camera head is used in piping lane
In the case that illumination is not opened, after the fluorescence for capturing the sending of fluorescence developing plate, notice fire-alarm is sounded an alarm.
4. pipe gallery fire alarm system as claimed in claim 2, which is characterized in that low-light camera head is used in piping lane
In the case that illumination is opened, after capturing the discoloration of fluorescence developing plate, notice fire-alarm is sounded an alarm.
5. pipe gallery fire alarm system as claimed in claim 2, which is characterized in that low-light camera head is to be fixed on synthesis
The low-light camera head that security protection low-light camera head and/or pipe gallery automatic crusing robot in piping lane carry.
6. pipe gallery fire alarm system as described in claim 1, which is characterized in that further include: cable bearer,
Cable bearer is set on pipe gallery wall, and cable laying is on cable bearer.
7. pipe gallery fire alarm system as claimed in claim 6, which is characterized in that heat transfer block side be equipped with it is multiple with it is electric
The groove of cable fitting.
8. pipe gallery fire alarm system as claimed in claim 7, which is characterized in that the groove of heat transfer block is coated with thermally conductive
Silica gel is compressed the groove of heat transfer block and cable by cable bearer.
9. pipe gallery fire alarm system as described in claim 1, which is characterized in that fire-alarm is that can issue
Sound, light, electric alarm signal fire-alarm, for sounding an alarm.
10. pipe gallery fire alarm system as described in claim 1, which is characterized in that heat transfer block and fluorescence developing plate are adopted
With same Heat Conduction Material, it is integrally formed in manufacture craft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821718185.XU CN208888975U (en) | 2018-10-23 | 2018-10-23 | Comprehensive pipe rack fire alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821718185.XU CN208888975U (en) | 2018-10-23 | 2018-10-23 | Comprehensive pipe rack fire alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208888975U true CN208888975U (en) | 2019-05-21 |
Family
ID=66516895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821718185.XU Active CN208888975U (en) | 2018-10-23 | 2018-10-23 | Comprehensive pipe rack fire alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208888975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191763A (en) * | 2018-10-23 | 2019-01-11 | 中冶京诚工程技术有限公司 | Comprehensive pipe rack fire alarm system |
| CN115928497A (en) * | 2022-12-26 | 2023-04-07 | 福州大学 | Preparation method and application of high-low temperature thermal response double-sided paper |
-
2018
- 2018-10-23 CN CN201821718185.XU patent/CN208888975U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191763A (en) * | 2018-10-23 | 2019-01-11 | 中冶京诚工程技术有限公司 | Comprehensive pipe rack fire alarm system |
| CN109191763B (en) * | 2018-10-23 | 2023-12-01 | 中冶京诚工程技术有限公司 | Comprehensive pipe rack fire alarm system |
| CN115928497A (en) * | 2022-12-26 | 2023-04-07 | 福州大学 | Preparation method and application of high-low temperature thermal response double-sided paper |
| CN115928497B (en) * | 2022-12-26 | 2023-12-29 | 福州大学 | Preparation method and application of high-temperature low-temperature heat-response double-sided paper |
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