CN206060155U - A kind of high-voltage cable joint fireproof protection box - Google Patents
A kind of high-voltage cable joint fireproof protection box Download PDFInfo
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- CN206060155U CN206060155U CN201620907747.XU CN201620907747U CN206060155U CN 206060155 U CN206060155 U CN 206060155U CN 201620907747 U CN201620907747 U CN 201620907747U CN 206060155 U CN206060155 U CN 206060155U
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Abstract
The utility model discloses a kind of high-voltage cable joint fireproof protection box, comprising：Upper half box and lower half box are mutually spliced to form the space of a receiving high-voltage cable joint, and the two ends of high-voltage cable joint connect power cable respectively, and the two ends of fireproof protection box are provided with the cable aperture for coordinating power cable to pass through；Upper half box includes one first framework and the first rotation BAIYE being arranged on the first framework, the first drive mechanism, and the first drive mechanism is pivotally connected to the first rotation BAIYE by one first transmission；Lower half box includes one second framework and the second rotation BAIYE being arranged on the second framework, the second drive mechanism, and the second drive mechanism is connected to the second rotation BAIYE by a second driving shaft；One explosion-proof temperature-moisture sensor, is communicated to connect with the first drive mechanism and the second drive mechanism respectively；One explosion-proof pressure sensor, is communicated to connect with the first drive mechanism and the second drive mechanism respectively.This utility model can be applied to wet environment, meet cable connector cooling requirements.
Description
Technical field
This utility model is related to cable connector flameproof protection technical field, and in particular to a kind of high-voltage cable joint fire prevention is protected
Shield box, it is adaptable to the flameproof protection in the intensive place of the high voltage power cable such as cable tunnel, cable duct, cable interlayer.
Background technology
Cable fire is multiple to be born at cable connector.Cable intermediate joint is most weak ring in safe operation of power system
Section, the excessively thermally-induced electric discontinuity of cable of cable connector, short circuit, blast even cause the case of major accident of common occurrence.Certain cable
In tunnel, 110kV cable connectors are arranged in closed protecting box, and fire prevention calking is filled inside protecting box, and cable connector radiates not
Profit, when joint explosion accident occurs, energy nowhere discharges, and connector box moment pops, and initiation fire simultaneously fires and adjacent cable, causes
The supply network large area paralysis in city.
Many area Utilities Electric Co.s propose new fire protection requirement to the power cable laid in electric power tunnel：Cable occurs all the way
Problem can not prolong combustion, it is impossible to affect other with tunnel cabling.
It is unfavorable that cable tunnel, cable duct in underground is often divulged information, and environment is more moist, to prevent cable connector from receiving
Tide, is often protected using closed protecting box.For the electric power electricity of cable tunnel different layers installation with hanger in some engineer applieds
Cable, arranges PLASTIC LAMINATED where having cable connector, by joint and upper and lower cable zone isolation.But closed protecting box and envelope
The PLASTIC LAMINATED for closing is unfavorable for that cable connector radiates, and is also easy to produce heat aggregation, is unfavorable for the operation safety of cable.
Utility model content
The purpose of this utility model is to provide a kind of high-voltage cable joint fireproof protection box, can be applied to moist ring
Border, meets cable connector cooling requirements, and releases energy when cable connector occurs explosion accident, while and meeting electricity all the way
There is fire or explosion time in power cable, do not prolong the use requirement fired to other cables laid with tunnel.
In order to achieve the above object, this utility model is achieved through the following technical solutions：A kind of high-voltage cable joint fire prevention
Protecting box, is characterized in, comprising：
Upper half box and lower half box, described upper half box and lower half box are mutually spliced to form the sky of a receiving high-voltage cable joint
Between, the two ends of the high-voltage cable joint connect power cable respectively, and the two ends of fireproof protection box are provided with the cooperation electric power
The cable aperture that cable is passed through；
Described upper half box includes one first framework and the first rotation BAIYE being arranged on first framework, the first drive
Motivation structure, the first described drive mechanism are pivotally connected to described first by one first transmission and rotate BAIYE；
Described lower half box includes one second framework and the second rotation BAIYE being arranged on second framework, the second drive
Motivation structure, the second described drive mechanism are connected to described second by a second driving shaft and rotate BAIYE；
One explosion-proof temperature-moisture sensor, is arranged on described upper half box, described explosion-proof temperature-moisture sensor respectively with
First drive mechanism and the communication connection of the second drive mechanism；
One explosion-proof pressure sensor, is arranged on described upper half box and lower half box is mutually spliced to form a receiving high tension cable
In the space of joint, described explosion-proof pressure sensor respectively with first drive mechanism and the second drive mechanism communication link
Connect.
Described cable aperture is by the upper cable aperture pillow and lower cable aperture pillow being correspondingly arranged on the upper half box and lower half box
Composition.
Gap between described cable aperture and power cable is filled with fire resistant flexible material.
Described upper half box and lower half box are made by fire proofing material.
The bottom of described lower half box is provided with a pull-out type supporting plate, is placed with and do not fire except moist wood on described pull-out type supporting plate
Material.
Fixed structure is correspondingly arranged on respectively on described upper half box and lower half box.
Described fixed structure is included in the first connecting plate that the upper half cassette bottom portion extends to two sides and under described
The second connecting plate extended to both sides at the top of half box, the first described connecting plate is corresponding with the second connecting plate to offer installation
Hole.
The first described drive mechanism and the second drive mechanism are also supervised with cable fire monitoring system and cable connector respectively
Examining system is communicated to connect, and receives the control signal of cable fire monitoring system and cable connector monitoring system.
The first described drive mechanism and the second drive mechanism are also communicated to connect with automatic fire alarm system respectively, Xiang Qi
Output linking fire control signal.
Described explosion-proof temperature-moisture sensor is communicated to connect with environmental monitoring system, transmits its moisture signal.
A kind of high-voltage cable joint fireproof protection box of this utility model has advantages below compared with prior art：Due to anti-
Fiery protecting box is provided with cable aperture, facilitates power cable to pass through；Due to being provided with explosion-proof temperature-moisture sensor, explosion-proof pressure sensing
Device, rotate BAIYE and its drive mechanism, be easy to fireproof protection box endogenous cause of ill high-voltage cable joint is overheated cause temperature too high when, lead to
Cross unlatching and rotate BAIYE radiating, in case heat is assembled in fireproof protection box causes blast or fire；Send out in high-voltage cable joint
During calamity of lighting a fire, close and rotate BAIYE, form a closing space, prevent the tongues of fire from scurrying out, carry out fire damping, prevent fire from prolonging combustion extremely
Adjacent cable, meets power cable all the way and fire or explosion time occurs, do not prolong the use fired to other cables laid with tunnel
Require；There is explosion time in cable connector, open and rotate BAIYE, there is provided rush down pressure passageway and release energy, closed after pressure release in time and turned
When dynamic BAIYE is in order to avoid occur fire after blast, tongues of fire string goes out to prolong combustion to surrounding cables；When fireproof protection box endogenous dampness spends high, send out
Signal put up a notice so that replacing is not fired except wet stock in time；Due to drive mechanism and the cable fire monitoring system and cable of outside
Joint monitoring system is communicated to connect, and can receive after moving blade and calamity are closed in control signal linkage reset moving blade to opening shape
State.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of high-voltage cable joint fireproof protection box of this utility model；
Overall structure diagrams of the Fig. 2 for upper half box；
Overall structure diagrams of the Fig. 3 for lower half box；
Top views of the Fig. 4 for lower half box；
Side views of the Fig. 5 for lower half box.
Specific embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, this utility model is done and is further explained
State.
Such as Fig. 1, and with reference to shown in Fig. 2～Fig. 5, a kind of high-voltage cable joint fireproof protection box 10, comprising：Upper half box 100
And the structure of lower half box 200, upper half box 100 and lower half box 200 is essentially identical, described upper half box 100 and lower half box 200 are mutual
The space of a receiving high-voltage cable joint 300 is spliced to form, is assembled by the way of connection is readily disassembled, be easy to high tension cable to connect
300 installation and maintenance, the two ends of the high-voltage cable joint 300 connect power cable 400 respectively, fireproof protection box 10
Two ends are provided with the cable aperture for coordinating the power cable 400 to pass through；Described upper half box 100 include one first framework 101 and
First be arranged on first framework 101 rotates BAIYE 102, the first drive mechanism 103, the first described drive mechanism
103 are connected to described first by one first power transmission shaft 104 rotates BAIYE 102；Described lower half box 200 includes one second framework
201 and be arranged on second framework 201 the second rotation BAIYE 202, the second drive mechanism 203, described second driving
Mechanism 203 is connected to described second by a second driving shaft 204 and rotates BAIYE 202；One explosion-proof temperature-moisture sensor 106, if
Put on described upper half box 100, described explosion-proof temperature-moisture sensor 106 respectively with first drive mechanism 103 and
Two drive mechanisms 203 are communicated to connect；One explosion-proof pressure sensor, is arranged on described upper half box 100 and lower half box 200 is mutually spelled
Connect in the space to form a receiving high-voltage cable joint 300, described explosion-proof pressure sensor respectively with first driving machine
Structure 103 and the second drive mechanism 203 are communicated to connect, for detecting air pressure in fireproof protection box.
In the present embodiment, monitor back it is preferred that being respectively provided with the first drive mechanism 103 and the second drive mechanism 203
Road, in the temperature signal for Real-time Collection explosion-proof temperature-moisture sensor 106 in real time unit of account time fireproof protection box
The temperature difference, setting unit time difference variation threshold value, according to the real time data and the unit interval temperature difference and difference variation of temperature signal
Severe degree judge the malfunction of high-voltgae pothead：Overheated, fire, blast, and thus control first rotates 102 He of BAIYE
Second keying for rotating BAIYE 202.
In the present embodiment, it is preferred that the first rotation BAIYE 102 and second rotates BAIYE 202 for normally off, according to anti-
The different conditions such as humiture, cable connector fire, blast in fiery protecting box 10 are required, respectively the with 103 He of drive mechanism
It is turned on and off under the control of the second drive mechanism 203；Explosion-proof temperature-moisture sensor 106 is arranged on the first frame of upper half box 100
The middle part at the top of frame 101, explosion-proof pressure sensor are arranged in a certain drift angle of the first framework 101 of upper half box 100,
In any one in four drift angles as shown in Figure 2, or gas shock affects less position during other elongnated buildings.
In the preferred embodiment of utility model, it is considered to which high-voltage cable joint has insulating barrier and sheath to engineering in practice,
Before high-voltage cable joint blast, in fireproof protection box, may not there is rapid elevated process or this mistake in the short time in temperature
The journey persistent period is too short, causes first, second drive mechanism to have little time action, in such cases explosion-proof temperature-moisture sensor and height
Voltage cable junction contacts formula is arranged, for example, be arranged on the top of high-voltage cable joint.
In other embodiment of the present utility model, can be in high-voltage cable joint processing and fabricating, in high-voltage cable joint
Insulating barrier in or insulating barrier and oversheath between be close to core arrange explosion-proof temperature-moisture sensor, if cable connector monitoring system is
Arrange and collecting temperature signal, then can be without arranging anti-explosion temperature sensor, directly by the temperature of cable connector monitoring system
Signal transmission is to first, second drive mechanism.
In the present embodiment, as shown in Figures 2 and 3, it is preferred that described cable aperture is by being correspondingly arranged at the upper half box
100 and lower half box 200 on upper cable aperture pillow 105 and lower cable aperture pillow 205 constitute.
In the present embodiment, as shown in figure 1, it is preferred that the gap between described cable aperture and power cable 400 is filled
Flexible fire proofing material 500；Preferably, described upper half box 100 and lower half box 200 are made by fire proofing material, fire proofing material
And specification need to be adapted to the fire endurance of field of employment.
In the present embodiment, as depicted in figs. 3 and 5, it is preferred that the bottom of described lower half box 200 is provided with a pull-out type
Supporting plate 206, is placed with described pull-out type supporting plate 206 and do not fire except wet stock 600.
In the present embodiment, as shown in Figures 2 and 3, it is preferred that right respectively on described upper half box 100 and lower half box 200
Fixed structure should be provided with；Preferably, described fixed structure is included in that 100 bottom of upper half box extends to two sides
One connecting plate 107 and the second connecting plate 207 extended to both sides at the top of the lower half box 200, the first described connecting plate 107
It is corresponding with the second connecting plate 207 to offer installing hole (1071,2071).
In the present embodiment, it is preferred that the first described drive mechanism 103 and the second drive mechanism 203 also respectively with electricity
Cable fire hazard monitoring system and the communication connection of cable connector monitoring system, receive cable fire monitoring system and cable connector monitoring system
The control signal of system；Preferably, described explosion-proof temperature-moisture sensor 106 and environmental monitoring system communication connection, transmit which wet
Degree signal；The first described drive mechanism 103 and the second drive mechanism 203 also respectively with automatic fire alarm system communication link
Connect, transmit its temperature signal.
Specifically, in the present embodiment, first, second rotate BAIYE and be in normally off, when monitoring fireproof protection box
When interior temperature exceeds the first given threshold, it is judged as temperature overheating in fireproof protection box, then first, second drive mechanism difference
Drive first, second to rotate BAIYE to open.When monitoring that the temperature in fireproof protection box exceeds the second given threshold, and unit
Time difference variation persistently rises within a certain period of time, is judged as fire in fireproof protection box, and to automatic fire alarm
System sending signal, to judge whether to enable automatic fire extinguisher, if now first, second rotation BAIYE is in the open position,
Then first, second drive mechanism drives first, second rotation BAIYE to close respectively；If now first, second rotation BAIYE is in
Closed position, then first, second drive mechanism be failure to actuate.When monitoring that the temperature in fireproof protection box exceeds the 3rd given threshold
When, and unit interval difference variation rises within the of short duration time rapidly, is judged as in fireproof protection box thering is the danger that blast occurs,
If now first, second rotation BAIYE is in the open position, first, second drive mechanism is failure to actuate；If now first, second
Rotate BAIYE in the closed position, then first, second drive mechanism drives first, second rotation BAIYE to open respectively, discharges energy
Amount, after explosion-proof pressure Sensor monitoring pressure drop in fireproof protection box, then sends control to first, second drive mechanism
Signal, to close first, second rotation BAIYE.
In addition, when the humidity of fireproof protection box is higher than default humidity, then sending prompting changing not to environmental monitoring system
Combustion is except the signal of wet stock；When cable fire monitoring system and cable connector monitoring system monitor there is fire in fireproof protection box
During generation, then control instruction is sent to drive mechanism, close and rotate BAIYE, make fireproof protection box form a closing space, prevent
The tongues of fire are scurried out, and carry out fire damping, prevent fire from prolonging combustion to adjacent cable, meet power cable all the way and fire or blast occur
When, do not prolong the use requirement fired to other cables laid with tunnel；When cable fire monitoring system and cable connector monitoring system
When system monitors that adjacent cable has fire to occur, then control instruction is sent to drive mechanism, close and rotate BAIYE, make flameproof protection
Box forms a closing space, prevents fire from prolonging combustion to the fireproof protection box；When fire alarm signal is released, cable fire can be passed through
Monitoring system or the monitoring of cable connector monitoring system, then send control instruction to drive mechanism, open and rotate BAIYE.
Although content of the present utility model has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as to restriction of the present utility model.After those skilled in the art have read the above, for
Various modifications and substitutions of the present utility model all will be apparent.Therefore, protection domain of the present utility model should be by appended
Claim limiting.
Claims (10)
1. a kind of high-voltage cable joint fireproof protection box, it is characterised in that include：
Upper half box and lower half box, described upper half box and lower half box are mutually spliced to form the space of a receiving high-voltage cable joint,
The two ends of the high-voltage cable joint connect power cable respectively, and the two ends of fireproof protection box are provided with the cooperation power cable
The cable aperture for passing through；
Described upper half box includes one first framework and the first rotation BAIYE being arranged on first framework, the first driving machine
Structure, the first described drive mechanism are pivotally connected to described first by one first transmission and rotate BAIYE；
Described lower half box includes one second framework and the second rotation BAIYE being arranged on second framework, the second driving machine
Structure, the second described drive mechanism are connected to described second by a second driving shaft and rotate BAIYE；
One explosion-proof temperature-moisture sensor, is arranged on described upper half box, described explosion-proof temperature-moisture sensor respectively with it is described
First drive mechanism and the communication connection of the second drive mechanism；
One explosion-proof pressure sensor, is arranged on described upper half box and lower half box is mutually spliced to form a receiving high-voltage cable joint
Space in, described explosion-proof pressure sensor is communicated to connect with first drive mechanism and the second drive mechanism respectively.
2. high-voltage cable joint fireproof protection box as claimed in claim 1, it is characterised in that described cable aperture is by correspondingly setting
Put upper cable aperture pillow and lower cable aperture pillow composition on the upper half box and lower half box.
3. high-voltage cable joint fireproof protection box as claimed in claim 1 or 2, it is characterised in that described cable aperture and electricity
Gap between power cable is filled with fire resistant flexible material.
4. high-voltage cable joint fireproof protection box as claimed in claim 1, it is characterised in that described upper half box and lower half box
Made by fire proofing material.
5. high-voltage cable joint fireproof protection box as claimed in claim 1, it is characterised in that the bottom of described lower half box sets
There is a pull-out type supporting plate, be placed with described pull-out type supporting plate and do not fire except wet stock.
6. high-voltage cable joint fireproof protection box as claimed in claim 1, it is characterised in that described upper half box and lower half box
It is upper to be correspondingly arranged on fixed structure respectively.
7. high-voltage cable joint fireproof protection box as claimed in claim 6, it is characterised in that described fixed structure is included in
The first connecting plate and the second connection extended to both sides at the top of the lower half box that the upper half cassette bottom portion extends to two sides
Plate, the first described connecting plate is corresponding with the second connecting plate to offer installing hole.
8. high-voltage cable joint fireproof protection box as claimed in claim 1, it is characterised in that the first described drive mechanism and
Second drive mechanism is also communicated to connect with cable fire monitoring system and cable connector monitoring system respectively, receives cable fire prison
The control signal of examining system and cable connector monitoring system.
9. high-voltage cable joint fireproof protection box as claimed in claim 1, it is characterised in that the first described drive mechanism and
Second drive mechanism is also communicated to connect with automatic fire alarm system respectively, exports linking fire control signal to which.
10. high-voltage cable joint fireproof protection box as claimed in claim 1, it is characterised in that described explosion-proof humiture is passed
Sensor is communicated to connect with environmental monitoring system, transmits its moisture signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620907747.XU CN206060155U (en) | 2016-08-18 | 2016-08-18 | A kind of high-voltage cable joint fireproof protection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620907747.XU CN206060155U (en) | 2016-08-18 | 2016-08-18 | A kind of high-voltage cable joint fireproof protection box |
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| Publication Number | Publication Date |
|---|---|
| CN206060155U true CN206060155U (en) | 2017-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620907747.XU Active CN206060155U (en) | 2016-08-18 | 2016-08-18 | A kind of high-voltage cable joint fireproof protection box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229935A (en) * | 2016-08-18 | 2016-12-14 | 上海市政工程设计研究总院（集团）有限公司 | A kind of high-voltage cable joint fireproof protection box |
-
2016
- 2016-08-18 CN CN201620907747.XU patent/CN206060155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229935A (en) * | 2016-08-18 | 2016-12-14 | 上海市政工程设计研究总院（集团）有限公司 | A kind of high-voltage cable joint fireproof protection box |
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