CN209608152U - A kind of small distribution case with fire proof construction - Google Patents
A kind of small distribution case with fire proof construction Download PDFInfo
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- CN209608152U CN209608152U CN201920554833.0U CN201920554833U CN209608152U CN 209608152 U CN209608152 U CN 209608152U CN 201920554833 U CN201920554833 U CN 201920554833U CN 209608152 U CN209608152 U CN 209608152U
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- cabinet
- appendix
- storage cylinder
- proof construction
- fire proof
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Abstract
The utility model discloses a kind of small distribution case with fire proof construction, belong to distribution box field, its key points of the technical solution are that including cabinet, the circuit board for being equipped with electrical component is provided on the inner wall of the cabinet, air-break circuit-breaker is installed on the circuit board, control cabinet is installed on the circuit board, smoke sensor device and temperature sensor are installed on the inner cavity top of the cabinet, and smoke sensor device and temperature sensor are connected and fixed by conducting wire and control cabinet, appendix is provided on the inner wall of the cabinet, it is removably connected on the appendix several for spraying the spray head of fire-retardant gas, bracket is installed on one lateral surface of the cabinet, gas storage equipment for supplying to appendix is installed on the bracket, this small distribution case with fire proof construction is there is good fire protecting performance, energy Effectively prevent the component burning inside power distribution cabinet.
Description
Technical field
The utility model relates to distribution box, in particular to a kind of small distribution case with fire proof construction.
Background technique
Electric power is one of the important energy source in China, since reform and opening-up, as the fast development of national economy and the people are raw
The flat raising of running water, society's electricity consumption amount greatly increase, and various electrical equipments and household electrical appliance dosage increase suddenly, distribution box be in family or
Person is the equipment of entire urban electric power control, and major function is the dress for installing switch, instrument, lamp electrical equipment concentratedly
It sets, distribution box is usually to have a control panel, cabinet and is linked together.
The Chinese patent of Publication No. CN105119162A discloses a kind of distribution box with new hull structure, including
Skeleton, skeleton are made of integral type high strength glass Steel material, be equipped in skeleton electro-magnetic screen layer, insulating layer, insulating layer,
Fireprotection layer.
The heat of the generation of distribution box work is easily collected on inside distribution box, and distribution box can draw since internal temperature is excessively high
Spontaneous combustion is played, has at present and the outer of distribution box is provided with fireprotection layer, but still cannot avoid first device inside power distribution cabinet well
The burned danger of part.
Utility model content
The purpose of the utility model is to provide a kind of small distribution case fire proof constructions, the advantage is that with good fire prevention
Performance can effectively prevent the component burning inside power distribution cabinet.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of small distribution case with fire proof construction, including cabinet are provided on the inner wall of the cabinet and are equipped with electricity
The circuit board of gas element is equipped with air-break circuit-breaker on the circuit board, control cabinet, the cabinet is equipped on the circuit board
Inner cavity top on smoke sensor device and temperature sensor be installed, and smoke sensor device and temperature sensor by conducting wire with
Control cabinet is connected and fixed, and appendix is provided on the inner wall of the cabinet, several be used for is removably connected on the appendix
The spray head for spraying fire-retardant gas is equipped with bracket on one lateral surface of the cabinet, is equipped on the bracket for defeated
The gas storage equipment of tracheae gas supply.
By using above-mentioned technical proposal, distribution box reason on fire is often that internal temperature is excessively high, so as to cause electrical
If element spontaneous combustion necessarily leads to dense smoke and the temperature of box house is caused to increase on fire inside distribution box, and smog senses at this time
Device detects smog, while temperature sensor senses are more than the temperature set to temperature, and the two outputs electrical signals to control cabinet, controls
Case processed, which issues signal, drives gas storage equipment to be filled with fire-retardant gas into appendix, and last fire-retardant gas is full of cabinet, isolation burning
Object is contacted with oxygen, is prevented burning, is further increased the fire protecting performance with mould assembling.
Further, the appendix is placed on the top surface and two sides of cabinets cavity by pipeline sandwiched, the spray
Head is evenly arranged along appendix length direction.
By using above-mentioned technical proposal, when fire occurs for the inside of cabinet, multiple spray heads are from upper, left and right three
Fire-retardant gas is sprayed towards cabinet in a direction, is conducive to fire-retardant gas and is full of cabinet comprehensively, prevents the oxygen in comburant and air
Gas contact, further strengthens fire-retardant fireproof ability.
Further, spray head setting in a circular table shape, several nozzles are provided on the spray head, and the nozzle is located at spray
It is on the inclined surface of head and evenly distributed in the circumferential direction.
By using above-mentioned technical proposal, fire-retardant gas reduces the possibility for dead angle occur from nozzle comprehensive ejection outward
Property, it contacts comburant and fire-retardant gas more comprehensively, to avoid contacting with the oxygen in air, reaches fire-retardant mesh
's.
Further, the gas storage equipment includes the first storage cylinder and the second storage cylinder, in the bracket there are two settings
Fixed ring, first storage cylinder and the second storage cylinder are located in fixed ring, first storage cylinder and the second storage cylinder difference
In two fixed rings, filled with nitrogen in first storage cylinder, second storage cylinder is filled with carbon dioxide.
By using above-mentioned technical proposal, due to nitrogen and there is carbon dioxide for inert gas, neither support burning, and not
It is reacted with the generation of most of substance, when there is box house spontaneous combustion, the first storage cylinder and the second storage cylinder are simultaneously to defeated
Nitrogen is injected in tracheae and has carbon dioxide, and the mixed gas of the two is sprayed from spray head later.
Further, the outlet side of first storage cylinder and the second storage cylinder is mounted on solenoid valve, the solenoid valve
It is connect by conducting wire with control cabinet.
By using above-mentioned technical proposal, when box house burning, control cabinet issues signal to solenoid valve, and first
The solenoid valve of storage cylinder and the second storage cylinder is opened, and fire-retardant gas is injected into cabinet by appendix.
Further, the inlet end of the solenoid valve is equipped with pressure gauge.
By using above-mentioned technical proposal, pressure gauge is sentenced mainly for detection of the admission pressure of solenoid valve with admission pressure
The tolerance of disconnected first storage cylinder and the second storage cylinder illustrates gas-storing capacity deficiency, needs when admission pressure is less than setting value
Replace storage cylinder.
Further, connector is vertically installed at the top of the spray head, the connector is arranged and outside it in hollow
It is provided with external screw thread on surface, threaded hole is provided on the appendix, the spray head is connected by connector and threaded hole screw thread
It connects.
By using above-mentioned technical proposal, it is detachably connected in such a way that spray head is connected through a screw thread with appendix, two
Person junction good seal performance, avoids gas leakage.
Further, several exhaust fans are provided on the external back surface of the cabinet.
By using above-mentioned technical proposal, when usually working, exhaust fan starts outside exhausting, promotes cabinet and outer
Boundary's row carries out air exchange, takes away partial heat, and a possibility that spontaneous combustion occurs in reduction.
In conclusion the utility model has the following beneficial effects:
1. passing through the setting of appendix and gas storage equipment, there is good fire protecting performance, can effectively prevent inside power distribution cabinet
Component burning；
2. making fire-retardant gas be full of cabinet comprehensively by the setting of spray head, prevent the oxygen in comburant and air from contacting,
Improve flame retardant effect；
3. promoting cabinet and extraneous row to carry out air exchange by the setting of exhaust fan, taking away partial heat, reduce and occur
A possibility that spontaneous combustion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that there is the small distribution case of fire proof construction to face；
Fig. 2 is the structural schematic diagram with the small distribution case of fire proof construction；
Fig. 3 is the schematic diagram of spray head and appendix installation relation.
In figure, 1, cabinet；11, circuit board；12, air-break circuit-breaker；13, exhaust fan；14, control cabinet；15, smog senses
Device；16, temperature sensor；17, spray head；171, connector；172, nozzle；18, appendix；19, pipeline presss from both sides；2, bracket；21, solid
Determine ring；22, the first storage cylinder；23, the second storage cylinder；24, solenoid valve；25, pressure gauge.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of small distribution case with fire proof construction, referring to figs. 1 and 2, including, including cabinet 1,
Cabinet 1 is made of aluminium alloy, since aluminium alloy density is small, from heavy and light, facilitates carrying and installation.Chamber door, case are hinged on cabinet 1
Being right against on the inner wall of chamber door for the inner cavity of body 1 is provided with circuit board 11, is equipped with electrical component on circuit board 11.Circuit board 11
On be also equipped with air-break circuit-breaker 12 and control cabinet 14, air-break circuit-breaker 12 is connected with control cabinet 14 by conducting wire, and distribution box is worked as
When failure, control cabinet 14 issues signal control air-break circuit-breaker 12 and cuts off the power.
Referring to figs. 1 and 2, smoke sensor device 15 and temperature sensor 16 are provided in the inner cavity of cabinet 1, smog passes
Sensor 15 and temperature sensor 16 are fixed on the top surface of 1 inner cavity of cabinet, and smoke sensor device 15 and temperature sensor
16 are connected by conducting wire and control cabinet 14.At work, whether smoke sensor device 15 in cabinet 1 mainly for detection of having
Cigarette, temperature sensor 16 is for the temperature inside detection box 1.It is often that internal temperature is excessively high due to distribution box is on fire
Cause electrical component spontaneous combustion, it is on fire to necessarily lead to dense smoke and the temperature inside cabinet 1 is caused to increase.So passing through two kinds of differences
Sensor, reduce erroneous judgement.
In conjunction with shown in Fig. 1 and Fig. 3, appendix 18 is provided on the inner wall of cabinet 1, appendix 18 passes through 19 setting of pipeline folder
In on the top surface and two sides of 1 inner cavity of cabinet, several threaded holes are opened on appendix 18, threaded hole is along the length side of appendix 18
To being evenly arranged, threaded hole faces away from the direction of 1 inner wall of cabinet.Several spray heads 17,17 main body of spray head are installed on appendix 18
In a circular table shape, the one of spray head 17 is provided with hollow connector 171, is provided with external screw thread, connector on the side of connector 171
171 are threadedly engaged with threaded hole, so that the installation of spray head 17 is connected on appendix 18.It is provided on the inclined surface of spray head 17 along circle
The nozzle 172 that circumferential direction is evenly arranged.When burning inside cabinet 1, full of inert gas as fire-retardant in appendix 18
Gas, fire-retardant gas flow to spray head 17, spray by nozzle 172, and multiple spray heads 17 are from upper, and the direction of left and right three is towards cabinet
There is a possibility that dead angle, are conducive to fire-retardant gas and are full of cabinet 1 comprehensively, prevent comburant and sky in 1 injection fire-retardant gas, reduction
Oxygen contact in gas.
Referring to figs. 1 and 2, several exhaust fans 13 of setting are inlayed behind cabinet 1, exhaust fan 13 is set in the horizontal direction
Set a row.The air in cabinet 1 is extracted in the starting of exhaust fan 13 out, and cabinet 1 and extraneous row is promoted to carry out air exchange.Due to distribution
Case work, heat can be gathered on circuit board 11, and air exchange can take away partial heat from circuit board 11, avoid the occurrence of heat
Excessively the case where aggregation, occurs, and a possibility that spontaneous combustion occurs in reduction.
Referring to figs. 1 and 2, bracket 2 is equipped with by bolt on a lateral surface of cabinet 1, welding is solid in bracket 2
Fixed two fixed rings 21, the inner hole of fixed ring 21 are rounded.22 He of the first storage cylinder filled with nitrogen is disposed vertically in bracket 2
The second storage cylinder 23 filled with carbon dioxide, the first storage cylinder 22 and the second storage cylinder 23 are plugged in respectively in fixed ring 21.
Referring to figs. 1 and 2, there are solenoid valve 24, two electricity in the outlet side of the first storage cylinder 22 and the second storage cylinder 23
Respectively with the Liang Ge branch flanged joint of appendix 18, solenoid valve 24 connect with control cabinet 14 by conducting wire magnet valve 24, control cabinet
14 can be with 24 on-off of solenoid valve.When 1 internal-combustion of cabinet, control cabinet 14 issues signal, the first gas storage to solenoid valve 24
The solenoid valve 24 of bottle 22 and the second storage cylinder 23 is opened, and nitrogen and carbon dioxide are injected into appendix 18 simultaneously, and the two
It mixes in appendix 18, is finally injected into cabinet 1 by spray head 17.
Referring to figs. 1 and 2, the inlet end of solenoid valve 24 is equipped with pressure gauge 25, pressure gauge 25 mainly for detection of
The admission pressure of solenoid valve 24 is judged the tolerance of the first storage cylinder 22 and the second storage cylinder 23 with admission pressure, works as admission pressure
When less than setting value, illustrates gas-storing capacity deficiency, need replacing storage cylinder.
Specific implementation process: the spontaneous combustion inside distribution box produces thick smoke and the temperature inside cabinet 1 is caused to increase, cigarette
Mist sensor 15 detects smog, while temperature sensor 16 senses that temperature is more than the temperature of setting, and the two is simultaneously to control
14 output signal of case, control cabinet 14 issue signal to solenoid valve 24, open two solenoid valves 24, the nitrogen in the first storage cylinder 22
Carbon dioxide in gas and the second storage cylinder 23 is flowed into appendix 18 and is mixed, and is flowed into spray head 17 recently, is passed through
Nozzle 172 is to spraying inside cabinet 1, and nitrogen and to have carbon dioxide be inert gas neither supports burning, but not with most of object
Matter generates reaction, and avoids that comburant is prevented to contact with air, achievees the purpose that prevent burning.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of small distribution case with fire proof construction, including cabinet (1), installation is provided on the inner wall of the cabinet (1)
There is the circuit board (11) of electrical component, air-break circuit-breaker (12) is installed on the circuit board (11), it is characterised in that: the electricity
It is equipped on road plate (11) control cabinet (14), smoke sensor device (15) and temperature is installed on the inner cavity top of the cabinet (1)
Sensor (16), and smoke sensor device (15) and temperature sensor (16) are connected and fixed by conducting wire with control cabinet (14), institute
It states and is provided on the inner wall of cabinet (1) appendix (18), is removably connected on the appendix (18) several for spraying resistance
The spray head (17) of combustion gas body is equipped with bracket (2) on a lateral surface of the cabinet (1), installs on the bracket (2) useful
In the gas storage equipment supplied to appendix (18).
2. a kind of small distribution case with fire proof construction according to claim 1, it is characterised in that: the appendix
(18) it is set on the top surface and two sides of cabinet (1) inner cavity by pipeline folder (19), the spray head (17) is along appendix
(18) length direction is evenly arranged.
3. a kind of small distribution case with fire proof construction according to claim 2, it is characterised in that: the spray head (17)
Setting in a circular table shape is provided with several nozzles (172) on the spray head (17), and the nozzle (172) is located at inclining for spray head (17)
It is on inclined-plane and evenly distributed in the circumferential direction.
4. a kind of small distribution case with fire proof construction according to claim 1, it is characterised in that: the gas storage equipment
Including the first storage cylinder (22) and the second storage cylinder (23), in the bracket (2) there are two settings fixed ring (21), described first
Storage cylinder (22) and the second storage cylinder (23) are located in fixed ring (21), first storage cylinder (22) and the second storage cylinder (23)
Be located in two fixed rings (21), filled with nitrogen in first storage cylinder (22), second storage cylinder (23) filled with
Carbon dioxide.
5. a kind of small distribution case with fire proof construction according to claim 4, it is characterised in that: first gas storage
The outlet side of bottle (22) and the second storage cylinder (23) is mounted on solenoid valve (24), and the solenoid valve (24) passes through conducting wire and control
Case (14) connection.
6. a kind of small distribution case with fire proof construction according to claim 5, it is characterised in that: the solenoid valve
(24) inlet end is equipped with pressure gauge (25).
7. a kind of small distribution case with fire proof construction according to claim 1, it is characterised in that: the spray head (17)
Top be vertically installed with connector (171), the connector (171) in it is hollow setting and its outer surface on be provided with outer spiral shell
Line, threaded hole is provided on the appendix (18), and the spray head (17) is threadedly coupled by connector (171) with threaded hole.
8. a kind of small distribution case with fire proof construction according to claim 1, it is characterised in that: the cabinet (1)
External back surface on be provided with several exhaust fans (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554833.0U CN209608152U (en) | 2019-04-22 | 2019-04-22 | A kind of small distribution case with fire proof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920554833.0U CN209608152U (en) | 2019-04-22 | 2019-04-22 | A kind of small distribution case with fire proof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209608152U true CN209608152U (en) | 2019-11-08 |
Family
ID=68406034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920554833.0U Expired - Fee Related CN209608152U (en) | 2019-04-22 | 2019-04-22 | A kind of small distribution case with fire proof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209608152U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668710A (en) * | 2020-06-29 | 2020-09-15 | 常熟市欣原电器控制设备有限公司 | Low-voltage distribution cabinet with inside protection machanism |
| CN111852538A (en) * | 2020-07-25 | 2020-10-30 | 黄见 | Liquid nitrogen cooling fire prevention device for coal mine |
| CN111934222A (en) * | 2020-08-17 | 2020-11-13 | 惠州市博信电气设备有限公司 | Intelligent distribution box |
-
2019
- 2019-04-22 CN CN201920554833.0U patent/CN209608152U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668710A (en) * | 2020-06-29 | 2020-09-15 | 常熟市欣原电器控制设备有限公司 | Low-voltage distribution cabinet with inside protection machanism |
| CN111852538A (en) * | 2020-07-25 | 2020-10-30 | 黄见 | Liquid nitrogen cooling fire prevention device for coal mine |
| CN111852538B (en) * | 2020-07-25 | 2022-05-17 | 内蒙古蒙泰不连沟煤业有限责任公司 | Liquid nitrogen cooling fire prevention device for coal mine |
| CN111934222A (en) * | 2020-08-17 | 2020-11-13 | 惠州市博信电气设备有限公司 | Intelligent distribution box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |