CN202961603U - Explosion-proof foam fire truck - Google Patents
Explosion-proof foam fire truck Download PDFInfo
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- CN202961603U CN202961603U CN 201220621744 CN201220621744U CN202961603U CN 202961603 U CN202961603 U CN 202961603U CN 201220621744 CN201220621744 CN 201220621744 CN 201220621744 U CN201220621744 U CN 201220621744U CN 202961603 U CN202961603 U CN 202961603U
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Abstract
The utility model discloses an explosion-proof foam fire truck. The explosion-proof foam fire truck comprises a water storage tank, a foaming agent storage tank and an engine, wherein the water storage tank and the foaming agent storage tank are communicated with a fire extinguisher main pipe through a transmission branch pipe respectively; a fire-fighting water pump is arranged on the transmission branch pipe; the engine is an explosion-proof engine; an explosion-proof relay box and an explosion-proof metering control valve are arranged on the transmission branch pipe; and an explosion-proof DC-DC converter is arranged on the fire-fighting water pump. The explosion-proof relay box is used for acquiring flow signals of a water pipeline and a foam pipeline, and the mixing ratio of foam to water is obtained by calculating. The mixing ratio is compared with the mixing ratio given by a control panel, and if the mixing ratios are different, signals are transmitted to the explosion-proof metering control valve to control the flow of the foam pipeline to reach a proper mixing ratio. The engine and a fire extinguisher supply part matched with the explosion-proof foam fire truck are all subjected to explosion-proof treatment, so that secondary disaster can be avoided, and the requirement on explosion-proof safety is met.
Description
Technical field
The utility model relates to explosion-proof automobile technical field, relates in particular to a kind of explosion-proof foam truck that can use safely in the explosion risk environment.
Background technology
When the breaking out of fire of different places, often need different extinguishing chemicals to put out a fire to save life and property, such as when some chemical material breaking out of fire, must use fire foam to put out a fire to save life and property, and need the fire foam of variable concentrations to put out a fire to save life and property for different chemical materials.The fire fighting truck that uses at present, polygamy has storage tank and foaming agent storage bin, both be connected with the fire main pipe by manifold, and with storage tank and arm that the foaming agent storage bin is connected on booster pump and hand control valve are set respectively.In the fire-fighting operation to the different places fire, the blend proportion of water and foaming agent is controlled by manual operator brake control valve fully.This water and foaming agent proportion control order of accuarcy rely on fire fighter's experience fully, and be particularly often very busy in fire-fighting operation, and this proportion control is difficult assurance extremely, or the foaming agent overrich, causes the waste of raw material resources and the increasing of fire protection expense; Foaming agent concentration is inadequate, affects fire-fighting effect and efficient, causes the expansion of casualty loss.
Secondly, along with developing by leaps and bounds of China's economic, the industry such as domestic oil, chemical industry, pharmacy, light textile, military project, paint, pigment, coal and harbour, railway etc. are all at high speed development, and in these industrial sites, all exist in various degree various explosion risk gases and form dangerous place with a potential explosion.Because the existence of various imflammable gas is arranged, Petrochemical Places, oil depot are all generally dangerous place with a potential explosion, during especially due to other a variety of causes initiation fire, usually be accompanied by the Pipeline damage Leakage Gas, at this moment a large amount of flammable hazardous gas will be distributed in scene of fire and peripheral place thereof.When common fire fighting truck approaching or sail fire-fighting into when on-the-spot, very likely light and ignite around hazardous gas, fire fighting does not become to lead on the contrary larger security incident.So at dangerous place with a potential explosion such as petrochemical industries, must use satisfactory explosion-proof foam truck.And how the fire fighting truck that uses does not at present possess explosion prevention function, moves in imflammable gas and material place and when carrying out fire-fighting operation, is easy to cause fire or explosion accident, also easily causes secondary disaster, causes the expansion of the condition of a disaster and the increase of casualty loss.
The utility model content
The utility model provides a kind of explosion-proof foam truck that can use safely in the explosion risk environment.
A kind of explosion-proof foam truck, comprise storage tank, foaming agent storage bin and engine, wherein storage tank and foaming agent storage bin are communicated with the extinguishing chemical house steward by the transmission arm respectively, on described transmission arm, fire pump is set, described engine adopts explosion-proof engine, explosion-proof relaying box and explosion-proof measuring control valve are set on described transmission arm, and described fire pump arranges explosion-proof DC-DC converter.
Described explosion-proof measuring control valve comprises valve body and servomotor, described valve body be connected servo motor shaft and connect, the shell of described servomotor adopts explosion separation structure, and the line outlet of described servomotor arranges explosion-proof introducing locking device, encapsulation explosion-proof lamp in described servomotor.
In described servomotor, encapsulation has explosion-proof lamp, and described explosion-proof lamp is insulation, high temperature resistant, easy solidification material product.
Described explosion-proof relaying box comprises box body and the control circuit board that is positioned at box body, and each equal encapsulation in connection joining part position of described box body has explosive-proof sealed filler, and set temperature holding circuit in described box body is filled explosion-proof thing in described box body.
Described explosive-proof sealed filler and explosion-proof thing are epoxy resin or explosion-proof clay.
Described explosion-proof DC-DC converter comprises housing and the DC-DC change-over circuit plate that is positioned at housing, and described DC-DC change-over circuit plate is connected with temperature protection circuit, and described housing adopts aluminum alloy materials, encapsulation explosion-proof lamp in housing.
Described explosion-proof lamp adopts epoxy resin or explosion-proof clay.
In described aluminum alloy materials, magnesium, titanium total content are no more than 7.5% by mass percentage.
Described temperature protection circuit adopts the Fuse Type temperature protection circuit.
The explosion-proof foam truck of this patent development is by arranging explosion-proof relaying box and explosion-proof measuring control valve, and explosion-proof relaying box gathers water lines flow signal and foam line flow signal, draws as calculated the mixing ratio of foam and water.The mixing ratio numeric ratio that this numerical value and control panel provide, if different, signal transmission is given explosion-proof measuring control valve, controls the flow of foam line to reach proper mixture ratio.Engine and fire-fighting agent supply portion supporting on explosion-proof foam truck are all passed through technological processing for explosion protection feature, simultaneously, be provided with explosion-proof DC-DC converter, the 24VDC power supply that vehicle-mounted explosion-proof battery is provided is converted to the use of 12VDC power supply water supply pump system, its housing adopts articles made of aluminium alloy, and in the aluminum alloy materials that uses, magnesium, titanium total content are no more than 7.5% by mass percentage, are conducive to like this prevent the mechanical impact spark and are conducive to the housing heat radiation.Take this technical scheme, greatly promoted the explosion prevention function of foam truck, can avoid the generation of secondary disaster in the fire-fighting operation process, satisfy the requirement of anti-explosion safety.Fire-fighting operation is carried out in the place that explosion-proof foam truck of the present invention can be used for containing explosive mixture in the industrial departments such as oil, chemical industry, pharmacy, light textile, military project, paint, pigment, coal and harbour, railway, goods yard, warehouse etc. safely.
Description of drawings
The present invention is described further below in conjunction with accompanying drawing:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of explosion-proof measuring control valve in Fig. 1;
Fig. 3 is the structural representation of explosion-proof relaying box in Fig. 1;
Fig. 4 is the structural representation of explosion-proof DC-DC converter in Fig. 1.
The specific embodiment
As shown in Figure 1, a kind of explosion-proof foam truck comprises storage tank 6, foaming agent storage bin 2 and engine 1, and wherein storage tank 6 and foaming agent storage bin 2 are communicated with the extinguishing chemical house steward by the transmission arm respectively.On described transmission arm, fire pump is set respectively, is used for the supercharging that fire demand water and foaming agent spray.Described engine 1 adopts explosion-proof engine, can prevent that the Mars of carrying secretly in the overheated and emission of blast pipe and cylinder body from causing igniting and exploding of flammable explosive gas and material in environment, explosion-proof relaying box 4 is set on described transmission arm, and explosion-proof measuring control valve 5 is set respectively, described fire pump arranges explosion-proof DC-DC converter 3.Described explosion-proof engine can adopt the explosion-proof engine (patent name is a kind of explosion-proof engine and the explosion-proof fire fighting truck that uses this explosion-proof engine) of applicant's separate case application, and its structure repeats no more.
As shown in Figure 2, described explosion-proof measuring control valve comprises valve body 2-1 and servomotor 2-2, described valve body 2-1 be connected servomotor 2-2 axle and connect, described servomotor 2-2 receives the control signal from explosion-proof relaying box, carry out forward or reverse, make the certain angle of valve open, thereby the flow of control foam line is an appropriate value.Described servomotor 2-2, its shell 2-3 adopts explosion separation structure, the possibility of the extraneous explosion environment of having stopped thus to ignite after the explosion risk gas in inner spark ignition housing.The line outlet of described servomotor 2-2 arranges explosion-proof introducing locking device 2-4, to guarantee the explosion insulation performance of servomotor 2-2.Between described servomotor 2-2 inner stator and housing and end cap, encapsulation has explosion-proof lamp 2-5, to reduce the inner space, reduces the inner energy afterwards of blasting.
As shown in Figure 3, described explosion-proof relaying box comprises box body 3-1 and is positioned at the control circuit board 3-2 of box body, control circuit is used for gathering water lines flow signal and foam line flow signal, draw as calculated the mixing ratio of foam and water, and the mixing ratio numeric ratio that this numerical value and control panel are provided, if different, signal transmission is given explosion-proof measuring control valve, controls the flow of foam line to reach proper mixture ratio.Each equal encapsulation in connection joining part position of described box body 3-1 has explosive-proof sealed filler, with the possibility of the extraneous explosion environment of stopping to ignite after the outer explosion risk gas of inner issuable spark ignition housing.Set temperature holding circuit 3-3 in box body 3-1 is provided with thermal cut-off in described temperature protection circuit 3-3, is conducive to prevent excess Temperature, the explosive gas atmosphere on every side of avoiding igniting; Fill explosion-proof thing 3-4 in described box body 3-1, described explosion-proof thing is epoxy resin or explosion-proof clay, eliminate the possibility of outside imflammable gas contact converter internal heat components and parts, reduced the converter inside components and parts and be short-circuited and produce the possibility of electric spark, satisfied the requirement of anti-explosion safety.In order to be applicable to the explosion risk environment.
As shown in Figure 4, described explosion-proof DC-DC converter is the power supply unit of fire engine water-pump system, is arranged between battery and water pump, be used for vehicle-mounted explosion-proof battery provide the 24VDC power supply be converted to 12VDC power supply water supply pump system and use.Comprise housing 4-1 and the DC-DC change-over circuit plate 4-3 that is positioned at housing, described DC-DC change-over circuit plate 4-3 is connected with temperature protection circuit 4-2, described temperature protection circuit adopts the Fuse Type temperature control circuit, be conducive to prevent explosion-proof DC-DC converter excess Temperature, the explosive gas atmosphere on every side of avoiding igniting; Described housing 4-1 can adopt aluminum alloy materials, and in described aluminum alloy materials, magnesium, titanium total content are no more than 7.5%, is conducive to prevent the mechanical impact spark and is conducive to the housing heat radiation.Encapsulation explosion-proof lamp in described housing 4-1, described explosion-proof lamp can adopt epoxy resin or explosion-proof clay, guarantee inner without air gap, cause in circuit a certain element heating too high in case abnormal conditions occur like this, eliminate the possibility of outside imflammable gas contact converter internal heat components and parts, reduce the converter inside components and parts and be short-circuited and produce the possibility of electric spark, satisfied the requirement of anti-explosion safety.
The explosion-proof foam truck of this patent development is by arranging explosion-proof relaying box and explosion-proof measuring control valve, and explosion-proof relaying box gathers water lines flow signal and foam line flow signal, draws as calculated the mixing ratio of foam and water.The mixing ratio numeric ratio that this numerical value and control panel provide, if different, signal transmission is given explosion-proof measuring control valve, controls the flow of foam line to reach proper mixture ratio.The electric appliance component that arranges on explosion-proof foam truck all passes through technological processing for explosion protection feature, thereby has protected equipment, avoids the generation of accident; Avoid electric component exposed, made electric component there is no the possibility of short circuit, thereby made electric component not produce electric spark, satisfied the requirement of anti-explosion safety.But explosion-proof foam truck with safety applications in the industrial departments such as oil, chemical industry, pharmacy, light textile, military project, paint, pigment, coal and harbour, the place of containing explosive mixture such as railway, goods yard, warehouse carries out fire-fighting operation.
Claims (8)
1. explosion-proof foam truck, comprise storage tank, foaming agent storage bin and engine, wherein storage tank and foaming agent storage bin are communicated with the extinguishing chemical house steward by the transmission arm respectively, on described transmission arm, fire pump is set, it is characterized in that: described engine adopts explosion-proof engine, explosion-proof relaying box and explosion-proof measuring control valve are set on described transmission arm, and described fire pump arranges explosion-proof DC-DC converter.
2. explosion-proof foam truck as claimed in claim 1, it is characterized in that: described explosion-proof measuring control valve comprises valve body and servomotor, described valve body be connected servo motor shaft and connect, the shell of described servomotor adopts explosion separation structure, the line outlet of described servomotor arranges explosion-proof introducing locking device, encapsulation explosion-proof lamp in described servomotor.
3. explosion-proof foam truck as claimed in claim 2 is characterized in that: in described servomotor, encapsulation has explosion-proof lamp, and described explosion-proof lamp is insulation, high temperature resistant, easy solidification material product.
4. explosion-proof foam truck as claimed in claim 1; it is characterized in that: described explosion-proof relaying box comprises box body and is positioned at the control circuit board of box body; each equal encapsulation in connection joining part position of described box body has explosive-proof sealed filler; fill explosion-proof thing in set temperature holding circuit in described box body, described box body.
5. explosion-proof foam truck as claimed in claim 4, it is characterized in that: described explosive-proof sealed filler and explosion-proof thing are epoxy resin or explosion-proof clay.
6. explosion-proof foam truck as claimed in claim 1; it is characterized in that: described explosion-proof DC-DC converter; comprise housing and the DC-DC change-over circuit plate that is positioned at housing; described DC-DC change-over circuit plate is connected with temperature protection circuit; described housing adopts aluminum alloy materials, encapsulation explosion-proof lamp in housing.
7. explosion-proof foam truck as claimed in claim 6, is characterized in that: described explosion-proof lamp employing epoxy resin or explosion-proof clay.
8. explosion-proof foam truck as described in claim 4 or 6, is characterized in that: described temperature protection circuit employing Fuse Type temperature protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621744 CN202961603U (en) | 2012-11-21 | 2012-11-21 | Explosion-proof foam fire truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220621744 CN202961603U (en) | 2012-11-21 | 2012-11-21 | Explosion-proof foam fire truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202961603U true CN202961603U (en) | 2013-06-05 |
Family
ID=48502740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220621744 Withdrawn - After Issue CN202961603U (en) | 2012-11-21 | 2012-11-21 | Explosion-proof foam fire truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202961603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989096A (en) * | 2012-11-21 | 2013-03-27 | 南阳二机防爆消防装备有限公司 | Anti-explosion fire-extinguishing foam tanker |
-
2012
- 2012-11-21 CN CN 201220621744 patent/CN202961603U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102989096A (en) * | 2012-11-21 | 2013-03-27 | 南阳二机防爆消防装备有限公司 | Anti-explosion fire-extinguishing foam tanker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |