CN108365550A - Switchgear house with fire-alarm and its monitoring method - Google Patents
Switchgear house with fire-alarm and its monitoring method Download PDFInfo
- Publication number
- CN108365550A CN108365550A CN201810148245.7A CN201810148245A CN108365550A CN 108365550 A CN108365550 A CN 108365550A CN 201810148245 A CN201810148245 A CN 201810148245A CN 108365550 A CN108365550 A CN 108365550A
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- CN
- China
- Prior art keywords
- power distribution
- distribution cabinet
- fire
- switchgear house
- alarm
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Fire Alarms (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The present invention discloses a kind of switchgear house with fire-alarm, and power distribution cabinet is equipped in switchgear house, and temp probe and temperature controller are equipped in power distribution cabinet, sets that there are one coil pipe room and an inlet air plenums in power distribution cabinet;That side wall on coil pipe room opposite is equipped with the fan that work is controlled by the temperature controller;Cooling coil is equipped in coil pipe room;Total cooling water is equipped with for pipe and cooling water return pipe in power distribution cabinet lower part;Cooling coil in each power distribution cabinet, import all connect cooling water for pipe by connecting tube, and outlet all connects cooling water return pipe by connecting tube;Distribution indoor ceiling is equipped with fire-alarm, and switchgear house is interior to be located at the air duct outside switchgear house equipped with an end.Invention additionally discloses a kind of monitoring method of the switchgear house with fire-alarm, advantage is the temperature that can preferably reduce in power distribution cabinet, controls the heating rate in power distribution cabinet, can prevent fires, it is ensured that the safety of the normal work and system of electric elements in power distribution cabinet.
Description
Present patent application is that (application No. is a kind of 2016103165749, entitled " switchgear houses with fire-alarm
And its monitoring method ", applying date 2016-5-13) application for a patent for invention divisional application
Technical field
The present invention relates to a kind of monitoring system of switchgear house, specifically a kind of switchgear house with fire-alarm and
Its monitoring method.
Background technology
Switchgear house is an important ring for electric system, power distribution cabinet is equipped in switchgear house, power distribution cabinet is for placing various electricity
Electric elements needed for power distribution, electric elements easily generate heat in use, once the excessively high easy influence electric elements of temperature
Work, to electric system bring loss.
The immediate prior art of present patent application is:" one kind has to be followed the patent of Patent No. 201320095798.3
A kind of geothermal constant temperature circulator of the patent of the distribution box of ring cooling water " and Patent No. 201320599913.0;But above-mentioned two
A patent formula is relatively simple, and cooling-down effect is poor.
On the other hand, be located at field switchgear house for fire also without what effective measures.
Since above-mentioned technical problem exists in the prior art, influence to use, it is therefore necessary to be improved.
Invention content
The purpose of the present invention is:A kind of switchgear house with fire-alarm of good cooling effect is provided.
The scheme of the invention is:A kind of switchgear house with fire-alarm, the switchgear house is interior equipped with power distribution cabinet, described
Power distribution cabinet is indoor multiple to be independently disposed to distribution;The power distribution cabinet has left and right two side walls and one piece of bottom plate, described
Temp probe and temperature controller are equipped in power distribution cabinet, the temp probe signal is input to the temperature controller, it is characterized in that
Set that there are one the coil pipe rooms that are made of vertical clapboard and one of side wall and one by diaphragm plate and bottom plate in the power distribution cabinet
The inlet air plenum of composition;That side wall on coil pipe room opposite is equipped with the fan that work is controlled by the temperature controller;Institute
The air inlet for stating coil pipe room is located in the inlet air plenum;Cooling coil is equipped in coil pipe room;It is equipped with and overflows on the vertical clapboard
Portal or overflows slot;The bottom plate is equipped with blast pipe;It is equipped with total cooling water for pipe and cooling water return pipe in power distribution cabinet lower part,
In cooling water for being equipped with water supply pump on pipe;Cooling coil in each power distribution cabinet, import all connect cooling water by connecting tube
For pipe, outlet all connects cooling water return pipe by connecting tube, and the connecting tube passes through the blast pipe of corresponding power distribution cabinet bottom;Institute
Cooling water is stated to communicate with cooling water supply end respectively for pipe and cooling water return pipe;The distribution indoor ceiling is equipped with fire
Alarm.
Wherein, fire-alarm is the prior art, using detection smog to determine whether there is fire, once detection
It can alarm when smog to having.
Further embodiment is as follows:
The fire-alarm is disposed on the one or more in distribution indoor ceiling;
Fire extinguishing sprayer is additionally provided in the switchgear house, the fire extinguishing sprayer is with the water pipe and the cooling water for pipe phase
It is logical, valve is equipped on the water pipe;
The cooling water supply end is a underground water well, and the water supply pump is the immersible pump in well located underground;
The ground lower part of the switchgear house is equipped with groove;Be equipped with cover board at the top of the groove, on cover board with each distribution
The opposite position of cabinet is equipped with the opening passed through for blast pipe;The cooling water is located at for pipe and cooling water return pipe in the groove;
The cooling coil has multiple parallel horizontal segments;Between the horizontal segment and side wall of the cooling coil and
Coil pipe fixed block is designed between horizontal segment and vertical clapboard;Each corresponding region of cooling coil horizontal segment on the vertical clapboard
It is designed with the trapezoidal portion protruded to side;The cooling coil is located in the trapezoidal portion, on the trapezoidal inclined upper top in portion
Face is equipped with the overfolw hole or overflows slot;
A kind of monitoring method of the switchgear house described above with fire-alarm has also been devised in the present invention, uses each
Power distribution cabinet is arranged temperature controller and controls fan for cooling, and makes cooling water circulation using water pump controller control water supply pump, special
Sign is that the temperature controller control process includes:
As T >=TH, starts fan, stop fan when T < TL;
As T < TH, start heating monitoring mode;
The heating monitoring mode includes:
V is measured, as V < VS;SA resets while returning to upper level program;
As V >=VS, start fan, fan stops after continuing the TA times, V is then measured again, as V < VS, in return
Otherwise SA is labeled as 1 by level-one program;
Wherein:T is the real time temperature in power distribution cabinet;
TH is preset value, represents power distribution cabinet alarm high temperature;
TL is preset value, represents power distribution cabinet safe temperature;
V is the heating rate in power distribution cabinet;
VS is preset value, represents the safe heating rate of power distribution cabinet;
And fire-alarm is set in distribution indoor ceiling and carries out fire hazard monitoring.
The monitoring method further embodiment of switchgear house of the present invention with fire-alarm is:
The water pump controller control water supply pump is in periodically to work;
The water pump controller includes to the control process of water supply pump:When the SA power distribution cabinet quantity for being 1 accounts for the one of sum
When certainty ratio, start water supply pump work and duration T B, the ratio that the power distribution cabinet quantity that SA is 1 accounts for sum is higher, the TB times
It is longer;
Fire-alarm is associated with the master on off of switchgear house, when fire-alarm detects fire, entire switchgear house
Power-off, water pump, which is opened, is put out a fire using setting in the indoor fire extinguishing sprayer of distribution.
In water supply pump work, the fan also works;
Compared with the prior art, the invention has the advantages that:Each power distribution cabinet is equipped with coil pipe room, is arranged in coil pipe room
There are cooling coil, cooling coil that can cool down to coil pipe room air, these air can reduce in power distribution cabinet after overflowing
Temperature, while the heating rate of power distribution cabinet can be slowed down;On the other hand, fan work can take out hot-air in power distribution cabinet
Go out, and the air entered in power distribution cabinet passes through the cooling of cooling coil, therefore be easier to reduce the temperature in power distribution cabinet;Furthermore
By total cooling water for pipe and cooling water return pipe can the power distribution cabinet all to switchgear house cool down, structure is simpler tight
It gathers, at low cost, such scheme good cooling effect, it can be ensured that the normal work of electric elements in power distribution cabinet, it is ensured that electric system
Work safety;Furthermore it is equipped with fire-alarm in distribution indoor ceiling, fire hazard is detected in fire-alarm
When, it can alarm, to prompt people to carry out fire-fighting, more valuable is cooling water can become fire extinguishing for the cooling water of pipe
Water source further increases safety.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram for the switchgear house that embodiment 1 has fire-alarm;
Fig. 2 is the structural schematic diagram of 1 single power distribution cabinet of embodiment;
Fig. 3 is the enlarged drawing at A in Fig. 2;
Fig. 4 is the structural schematic diagram of 2 coil pipe room of embodiment;
Fig. 5 is the flow chart of 3 the method for embodiment;
Fig. 6 is the flow chart of the heating monitoring mode of embodiment 3;
Fig. 7 is the flow chart of 5 the method for embodiment;
Fig. 8 is the structural schematic diagram for the switchgear house that embodiment 6 has fire-alarm;
Fig. 9 is the structural schematic diagram of embodiment 7;
Component is marked in figure:Switchgear house 1, power distribution cabinet 2, side wall 3, bottom plate 4, temp probe 5, temperature controller 6, vertical clapboard
7, coil pipe room 8, inlet air plenum 9, fan 10, cooling coil 11, overfolw hole 12, overflow slot 13, blast pipe 14, cooling water for pipe 15,
Cooling water return pipe 16, water supply pump 17, diaphragm plate 18, connecting tube 19, cooling water supply end 20, groove 21, cover board 22, opening 23,
Horizontal segment 24, coil pipe fixed block 25, trapezoidal portion 26, upper top surface 27, air inlet 28, fire-alarm 29, fire extinguishing sprayer 30, water pipe
31, valve 32, air duct 33, fan housing 34, hoisting frame 35, check valve 36.
Specific implementation mode
The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.
Embodiment 1:
As shown in Figure 1, 2, 3, there is the switchgear house of fire-alarm described in the present embodiment, set in the switchgear house 1
Have a power distribution cabinet 2, the power distribution cabinet 2 be independently disposed to it is multiple in switchgear house 1;The power distribution cabinet 2 has left and right two side walls 3
With one piece of bottom plate 4, temp probe 5 and temperature controller 6 are equipped in the power distribution cabinet 2,5 signal of the temp probe is input to
The temperature controller 6, it is characterized in that being set in the power distribution cabinet 2, there are one the coil pipes being made of vertical clapboard 7 and one of side wall 3
Room 8 and an inlet air plenum 9 being made of diaphragm plate 18 and bottom plate 4;It should be noted that:The front of coil pipe room 8 and inlet air plenum 9
Panel sealing can be set, can not also be arranged and be sealed by the cabinet door of power distribution cabinet 2;That of 8 opposite of coil pipe room
Side wall 3 is equipped with the fan 10 that work is controlled by the temperature controller 6;The air inlet 28 of the coil pipe room 8 be located at it is described into
In air compartment 9;Cooling coil 11 is equipped in coil pipe room 8;Overfolw hole 12 is equipped on the vertical clapboard 7;The bottom plate 4 is equipped with
Blast pipe 14;Total cooling water is equipped with for pipe 15 and cooling water return pipe 16, in cooling water for being equipped on pipe 15 in 2 lower part of power distribution cabinet
Water supply pump 17;Cooling coil 11 in each power distribution cabinet 2, import all connect cooling water for pipe 15 by connecting tube 19, go out
Mouth all connects cooling water return pipe 16 by connecting tube 19, and the connecting tube 19 passes through the blast pipe 14 of 2 bottom of corresponding power distribution cabinet;Institute
It states cooling water to communicate with cooling water supply end 20 respectively for pipe 15 and cooling water return pipe 16, wherein cooling water supply end 20 can be with
It is cooling water recirculator to carry out water by refrigerant, but water recirculator structure is relatively complicated, due to electricity
Power switchgear house is located at field in many cases, does not have the condition of configuration water recirculator, therefore preferred plan is described
Cooling water supply end 20 is a underground water well, and the water supply pump 17 is the immersible pump in well located underground;Using temperature compared with
On the one hand low well water can ensure that cooling-down effect, be on the other hand also easy to the water intaking that digs a well in the wild as cooling water, convenient to carry out;
Ceiling is equipped with fire-alarm 29 in the switchgear house 1, and the fire-alarm 29 is disposed on smallpox in switchgear house 1
One (centrally located) on plate, the fire-alarm 29 can also be equally distributed multiple;The fire-alarm
The 29 preferential HZBJ101 type fire-alarms that Photoelectric Co., Ltd.'s production is regarded using Ningbo high and new technology industrial development zone day, can also be adopted from the market
Purchase, such as the GSM01 type electrical fire monitors of the red Energy Science Co., Ltd in the Shanghai north, existing patented technology can also be used,
Such as fire-alarm (200910163698.8), fire-alarm (200910168090.4).
Wherein, 2 bottom of power distribution cabinet can set stabilizer blade, and cooling water walks ground for pipe and cooling water return pipe, it is preferred that described
The ground lower part of switchgear house 1 is equipped with groove 21;The top of the groove 21 is equipped with cover board 22, on cover board 22 with each power distribution cabinet 2
Opposite position is equipped with the opening 23 passed through for blast pipe 14;The cooling water is located at the groove for pipe 15 and cooling water return pipe 16
In 21;Such structure, after cooling water circulation, the temperature of groove 21 is relatively low, and the air of groove 21 is to enter each distribution
The source of cabinet 2, source temperature is low, more preferable to the cooling-down effect of power distribution cabinet 2;
This power distribution cabinet, after cooling water circulation, the temperature in coil pipe room 8 reduces, and Cryogenic air can lead in coil pipe room 8
It crosses the spilling of overfolw hole 12 to cool down to power distribution cabinet, on the one hand can reduce temperature, on the other hand can reduce heating rate, make
In the equilibrium state that a heating is slower in power distribution cabinet, while coil pipe room 8, inlet air plenum 9, groove 21 communicate together, temperature
It is all relatively low;Once distribution in-cabinet temperature is excessively high so that fan 10 is worked when, the cold wind in coil pipe room 8 is outside by overfolw hole 12
Extraction, inlet air plenum 9, the Cryogenic air of groove 21 are drawn into cooling in coil pipe room 8, and what is extracted out in this way is hot wind, and what is be pumped into is cold
Wind, to effectively improve heat dissipation effect.Still further aspect, this power distribution cabinet are detected with fire hazard in fire-alarm 29
When, it can alarm, to prompt people to carry out fire-fighting.
Embodiment 2:
As shown in figure 4, the described switchgear house with fire-alarm of the present embodiment, the cooling coil 11 has more
A parallel horizontal segment 24;Between the horizontal segment 24 and side wall 3 of the cooling coil 11 and horizontal segment 24 and vertical clapboard 7 it
Between be designed with coil pipe fixed block 25;On the vertical clapboard 7 each 11 horizontal segment of cooling coil, 24 corresponding region be designed with to
The trapezoidal portion 26 of side protrusion;The cooling coil 11 is located in the trapezoidal portion 26, on the inclined upper top in the trapezoidal portion 26
Face 27 is equipped with the spilling slot 13.
Such structure is filled into when fan 10 works, and the cold wind in coil pipe room 8 is extracted out outward by overflowing slot 13
Wind regime have with the horizontal segment of the horizontal segment 24 of cooling coil 11 and adequately contact, so that it is guaranteed that heat transfer effect;Because air must
It must could be from spilling slot 13 by three channels formed by cambered surface and plane of the left and right sides of cooling coil 11 and obliquely downward
It goes out.
In the present embodiment, preferably more arriving top, to overflow 13 width of slot bigger, and more arriving lower part, to overflow 13 width of slot smaller, this
Sample can ensure that all spilling slots 13 can uniformly extract cold wind out, the spilling slot 13 of only lower part avoided to exist when fan 10 works
Outlet air, and the cooling coil 11 on top is made to fail.
Embodiment 3
The present embodiment describes a kind of monitoring method of the switchgear house with fire-alarm described in example 1 above, adopts
Temperature controller 6 is set with each power distribution cabinet 2 and controls the cooling of fan 10, and cooling is made using water pump controller control water supply pump 17
Water recycles, it is characterized in that 6 control process of the temperature controller includes:
As T >=TH, start fan 10, stops fan 10 when T < TL;
As T < TH, start heating monitoring mode;
The heating monitoring mode includes:
V is measured, as V < VS;SA resets while returning to upper level program;
As V >=VS, start fan 10, fan 10 stops after continuing the TA times, then measures V again, as V < VS, return
Upper level program is returned, SA is otherwise labeled as 1;
Wherein:T is the real time temperature in power distribution cabinet 2;
TH is preset value, represents the alarm high temperature of power distribution cabinet 2;
TL is preset value, represents 2 safe temperature of power distribution cabinet;
V is the heating rate in power distribution cabinet 2;
VS is preset value, represents 2 safe heating rate of power distribution cabinet;
The heating rate that V refers to cooling water of units of measurement time, the total amount that heats up divided by time are measured, can be waiting 1-2 minutes so
After carry out survey calculation;
And fire-alarm 29 is set in switchgear house 1 on ceiling and carries out fire hazard monitoring;
The water pump controller control water supply pump 17 is in periodically to work;It is as primary in started per hour, continue 5 points every time
Clock;
The principle of this temperature monitoring method is:
For water supply pump 17 in periodically working, it (can work per hour once, often that cooling coil 11, which periodically cools down,
It is secondary to continue five minutes), 8 temperature of coil pipe room is relatively low, by the spilling of cold air to the temperature and heating rate in power distribution cabinet
It is controlled;
When as fortuitous event T higher as T >=TH, the work of fan 10 is dropped to up to temperature in power distribution cabinet 2 lowers
Safety value TL;And in T < TH, start heating monitoring mode, when the heating rate in power distribution cabinet 2 is more than it is considered that more
When suitable safe heating rate VS, also starts the work of fan 10 and cool down a little while, because normally there is the cold of coil pipe room 8
The spilling of air, the heating rate in power distribution cabinet should not exceed safe range, have exceeded and illustrate that the cooling efficiency of coil pipe room 8 is low
Or certain element heating is larger, to prevent too fast heating, starts fan 10 to cool down, makes entire power distribution cabinet so not
It is excessively high as temperature.Water supply pump 17 is more frequent in periodically working, and the cooling efficiency of coil pipe room 8 can be guaranteed, but energy
Consumption can increase.
6 control method of temperature controller can refer to Fig. 5, Fig. 6 execution, but be not limited to the pattern of Fig. 5, Fig. 6.
In this method, the value of SA can be associated with the warning lamp outside power distribution cabinet, when quick heating is not got off by fan control
It can be warned with bright light.
Embodiment 4
The present embodiment describes a kind of monitoring method of the switchgear house with fire-alarm described in example 1 above, with reality
It is more intelligent to apply water pump controller unlike example 3, it is in periodically to work not instead of merely to control water supply pump 17, institute
State water pump controller includes to the control process of water supply pump 17:
When SA 2 quantity of power distribution cabinet for being 1 accounts for the certain proportion of sum (such as one third), starts water supply pump 17 and work
And duration T B, the ratio that 2 quantity of power distribution cabinet that SA is 1 accounts for sum is higher, and the TB times are longer;
When SA 2 quantity of power distribution cabinet for being 1 accounts for relatively high, illustrate that the cooling coil 11 in these power distribution cabinets 2 faces failure,
Therefore need start water supply pump 17, when SA be 12 quantity of power distribution cabinet account for sum ratio it is higher, illustrate in more power distribution cabinets 2
Cooling coil 11 face failure, therefore the working time of water supply pump 17 is lengthened, to ensure the cooler pan in all power distribution cabinets 2
The cooling-down effect of pipe 11;
Can be:When accounting reaches one third, TB is 5 minutes;When accounting reaches half, TB is 7 minutes;
When accounting reaches 3/4ths, TB is 10 minutes;When accounting reaches for the moment, TB is 15 minutes.
Embodiment 5
The present embodiment describes a kind of monitoring method of the switchgear house with fire-alarm described in example 1 above, with reality
It applies unlike example 3 when water supply pump 17 works, the fan 10 also works;
In embodiment 3, when water supply pump 17, fan 10 realizes work or stopping according to original control method;This implementation
What example was different from is when water supply pump 17 works, and the fan 10 also and then works, because when water supply pump 17 works, cooler pan
The good cooling effect of pipe 11, wind regime is colder, and fan 10, can no matter temperature and heating rate in oneself power distribution cabinet also and then work
So that state of temperature is safer in power distribution cabinet.
The improvement of the present embodiment method is also suitable for embodiment 4, and control flow can refer to Fig. 7.
Method described in embodiment 3-5 is equally applicable to the structure of embodiment 2.
Embodiment 6
As shown in figure 8, the described switchgear house with fire-alarm of the present embodiment, as different from Example 1:Fire
Calamity alarm 29 is associated with the master on off of switchgear house 1, and fire extinguishing sprayer 30, the fire extinguishing sprayer are additionally provided in the switchgear house 1
30 are communicated with the cooling water for pipe 15 by the water pipe 31, and valve 32 is equipped on the water pipe 31;
The technology associated with the master on off of switchgear house 1 of fire-alarm 29 belongs to the prior art, and can be master on off be
One contactor that work is controlled by total brake controller, can be by wired or wireless when fire-alarm 29 detects fire behavior
Mode is sent to total brake controller, total brake controller control contactor power-off;Can also be that fire-alarm 29 detects fire behavior
When be wirelessly sent to remote control center, worked by remote control center control contactor;Concrete mode belongs to
It is existing, and can be a variety of, it is not described in detail.
The monitoring method of this switchgear house with fire-alarm, when fire-alarm 29 detects fire, entirely
Switchgear house 1 powers off, and water pump 17 is opened is put out a fire using the fire extinguishing sprayer 30 being arranged in switchgear house 1.The improvement of this monitoring method
It is equally applicable in embodiment 3-5.
In the wild, when fire-alarm is detected with fire hazard, underground water well provides the water source of fire extinguishing, makes fire extinguishing
Become possibility, if if the underground water well being had by oneself without this scheme, fetches water also very because of difficulty, cannot more put out a fire, therefore this
Embodiment safety is more preferable.
Embodiment 7
As shown in figure 9, the described switchgear house with fire-alarm of the present embodiment, as different from Example 1:Institute
It states and is equipped with the air duct 33 that an end is located at outside switchgear house 1 in switchgear house 1,33 lower part of air duct is equipped with multiple fan housings communicated therewith
34, fan housing 34 is equipped with the check valve 36 that can only be dried from bottom to top, and the effect of check valve 36 is to make wind that can only be blown to outdoor, institute
The air inlet for stating fan housing 34 is opposite with the fan 10 of each power distribution cabinet 2.Wherein, air duct 33 can be by sheet iron or stainless steel plate system
At in addition, air duct 33 can be fixed on by hoisting frame 35 on ceiling.Hoisting frame 35 is generally used for the cable testing bridge of lift-on/lift-off type
On.
Advantage of this embodiment is that:The hot wind blown out from fan 10 can be exhausted directly to switchgear house 1 through fan housing 34, air duct 33
Outside, such heat is discharged to outside, can prevent temperature rise in switchgear house 1.
Finally it should be noted that:The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of switchgear house with fire-alarm, the switchgear house (1) is interior to be equipped with power distribution cabinet (2), and the power distribution cabinet (2) is
It is independently disposed to multiple in switchgear house (1);The power distribution cabinet (2) has left and right two side walls (3) and one piece of bottom plate (4),
Temp probe (5) and temperature controller (6) are equipped in the power distribution cabinet (2), temp probe (5) signal is input to the temperature
Controller (6), sets that there are one the coil pipe rooms (8) being made of vertical clapboard (7) and one of side wall (3) in the power distribution cabinet (2)
An and inlet air plenum (9) being made of diaphragm plate (18) and bottom plate (4);On that side wall (3) on coil pipe room (8) opposite
Equipped with the fan (10) for controlling work by the temperature controller (6);The air inlet (28) of the coil pipe room (8) be located at it is described into
In air compartment (9);Cooling coil (11) is equipped in coil pipe room (8);It is equipped with overfolw hole (12) on the vertical clapboard (7) or overflows
Slot (13);The bottom plate (4) is equipped with blast pipe (14);Total cooling water is equipped with for pipe (15) and cold in power distribution cabinet (2) lower part
But water return pipe (16), in cooling water for being equipped with water supply pump (17) on pipe (15);Cooling coil (11) in each power distribution cabinet (2),
Its import all connects cooling water for pipe (15) by connecting tube (19), and outlet all connects cooling water return pipe by connecting tube (19)
(16), the connecting tube (19) passes through the blast pipe (14) of corresponding power distribution cabinet (2) bottom;The cooling water is for pipe (15) and cooling
Water return pipe (16) is communicated with cooling water supply end (20) respectively;Described switchgear house (1) the interior ceiling is equipped with fire-alarm
(29), it is characterised in that:It is located at the air duct (33) of switchgear house (1) outside, air duct (33) equipped with an end in the switchgear house (1)
Lower part is equipped with multiple fan housings (34) communicated therewith, and fan housing (34) is equipped with the check valve (36) that can only be dried from bottom to top, single
Effect to valve (36) is to make wind that can only be blown to outdoor, the fan of the air inlet and each power distribution cabinet (2) of the fan housing (34)
(10) opposite.
2. the switchgear house according to claim 1 with fire-alarm, it is characterised in that:Air duct (33) by sheet iron or
Stainless steel plate is made.
3. the switchgear house according to claim 1 with fire-alarm, it is characterised in that:Air duct (33) passes through hoisting frame
(35) it is fixed on ceiling.
4. a kind of monitoring method of the switchgear house with fire-alarm uses each power distribution cabinet (2) that temperature controller is arranged
(6) control fan (10) cools down, and makes cooling water circulation, the temperature controller using water pump controller control water supply pump (17)
(6) control process includes:
As T >=TH, start fan (10), stops fan (10) when T < TL;
As T < TH, start heating monitoring mode;
The heating monitoring mode includes:
V is measured, as V < VS;SA resets while returning to upper level program;
As V >=VS, start fan (10), fan (10) stops after continuing the TA times, then measures V again, as V < VS, return
Upper level program is returned, SA is otherwise labeled as 1;
Wherein:T is the real time temperature in power distribution cabinet (2);
TH is preset value, represents power distribution cabinet (2) alarm high temperature;
TL is preset value, represents power distribution cabinet (2) safe temperature;
V is the heating rate in power distribution cabinet (2);
VS is preset value, represents power distribution cabinet (2) safe heating rate;
And fire-alarm (29) is set on switchgear house (1) interior ceiling and carries out fire hazard monitoring;
It is characterized in that:
When water supply pump (17) work, the fan (10) also works.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810148245.7A CN108365550B (en) | 2016-05-13 | 2016-05-13 | Power distribution room with fire alarm |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610316574.9A CN106025848B (en) | 2016-05-13 | 2016-05-13 | A kind of switchgear house and its monitoring method with fire-alarm |
CN201810148245.7A CN108365550B (en) | 2016-05-13 | 2016-05-13 | Power distribution room with fire alarm |
Related Parent Applications (1)
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CN112821227A (en) * | 2021-04-01 | 2021-05-18 | 刘德元 | Safe waterproof switch board |
CN117039685A (en) * | 2023-08-10 | 2023-11-10 | 申恒电力设备有限公司 | Energy-saving box-type transformer substation |
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CN106530565A (en) * | 2017-01-10 | 2017-03-22 | 杭州超视科技有限公司 | Security protection alarm system and method |
CN108491013A (en) * | 2018-05-21 | 2018-09-04 | 江西省计算技术研究所 | A kind of henhouse monitor control system and method |
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Also Published As
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CN108365550B (en) | 2020-08-14 |
CN106025848A (en) | 2016-10-12 |
CN106025848B (en) | 2018-04-06 |
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