CN105288912A - Water injection device and water injection method used for fire fighting truck - Google Patents
Water injection device and water injection method used for fire fighting truck Download PDFInfo
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- CN105288912A CN105288912A CN201410566299.7A CN201410566299A CN105288912A CN 105288912 A CN105288912 A CN 105288912A CN 201410566299 A CN201410566299 A CN 201410566299A CN 105288912 A CN105288912 A CN 105288912A
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Abstract
The invention relates to a water injection device and a water injection method used for a fire fighting truck. The water injection device at least comprises an outer water injection pipe, a liquid level monitor and a water injection valve, wherein the outer water injection pipe is provided with a water injection connector and a water outlet; the water outlet is communicated with a water tank on the fire fighting truck; the liquid level monitor is arranged on the water tank; and the water injection valve which is used for responding to liquid level information acquired by the liquid level monitor is arranged between the water injection connector and the water outlet on the outer water injection pipe. By adopting the water injection device disclosed by the invention, the problems of tank overflow and tank expansion can be avoided.
Description
Technical field
The present invention relates to a kind of water filling device for fire fighting truck and method.
Background technology
Fire fighting truck is the special vehicle being used as fire fighting or other urgent rescue purposes, and the water pot on it is the tank body of carried of the water be welded by sheet metal material.The water filling of water pot can be completed by the water pump on fire fighting truck, and open water pot water injection valve after pump operation, press water injects in water pot by water pump.In addition, can also outer water injecting pipeline be set separately, this pipeline one end connects water pot top, the other end is equipped with outer water injection interface, and has the outer Water filling valve that can open and close, and just directly can carry out water filling to water pot after connecting fire hydrant or low-pressure water, this outer water flooding regime is without the need to taking water pump, make full use of external water source, obviously more convenient, and improve fire fighting truck operating efficiency.But the opening and closing of outer Water filling valve need artificial judgment and operation, if after water pot fills, fireman fails judge and close outer Water filling valve in time, just there will be excessive tank (in water pot water completely after, unnecessary water can overflow from overfall.), the tank that even also may occur rising (when water pot overflows tank, if when the water yield continuing to inject tank body by water injection pipe is greater than the water yield that overfall flows out, the phenomenon that water pot can deform, bulging is even broken.) danger, bring hidden danger with dangerous to fire-fighting operation.
Summary of the invention
The object of the invention is the water filling device for fire fighting truck after proposing a kind of improvement and method, it can avoid excessive tank and the generation of the problem of the tank that rises.
For achieving the above object, the invention provides following technical scheme:
A kind of water filling device for fire fighting truck, it at least comprises outer water injection pipe, leve monitor and water injection valve, wherein: described outer water injection pipe has water injection interface and delivery port, described delivery port is for being communicated with the water pot on fire fighting truck, described leve monitor is arranged on described water pot, and the described water injection valve of the liquid level information got in response to described leve monitor is arranged between described water injection interface on described outer water injection pipe and delivery port.
Further, described leve monitor comprises low leve monitor and high leve monitor, is separately positioned on bottom and the top of described water pot.
Further, the distance between bottom described low leve monitor and described water pot is be not more than described water pot height 1/3.
Further, described high leve monitor is arranged on the top of described water pot.
Further, also comprise control box, it is connected with described leve monitor signal, and the described liquid level information obtained by described leve monitor inputs described control box; Described control box is electrically connected with described water injection valve, is controlled the opening and closing of described water injection valve by described control box.
Further, described leve monitor comprises low leve monitor and high leve monitor, be provided with automatic water filling unit in described control box and force water injection unit, the signal input part of the two connects described high leve monitor simultaneously, signal output part connects the switch of described water injection valve simultaneously, and the signal input part of described automatic water filling unit is also connected with described low leve monitor.
Further, described water injection valve is butterfly valve.
The present invention also provides a kind of water-filling method for fire fighting truck, comprises the following steps: obtained the liquid level information in water pot by leve monitor; In response to described liquid level delivering water filling signal or stopping water filling signal.
Further, under automatic water filling pattern, when not showing described liquid level information or described liquid level information is low liquid level, send water filling signal; When described liquid level information is high liquid level, sends and stop water filling signal.
Further, under forcing water-injection mode, when described liquid level information is high liquid level, sends and stop water filling signal.
Based on technique scheme, advantage of the present invention is:
Owing to being provided with leve monitor at water pot, and, the liquid level information that the open/close states of Water filling valve gets in response to leve monitor, therefore the present embodiment can realize outer water injection work automatically, when the liquid level in water pot is too low, Water filling valve unlatching; When the liquid level in water pot exceed minimum liquid level line and not yet reach the highest liquid level line when, water injection valve 3 remains opening; When water pot fills, water pot reach the highest liquid level line when, Water filling valve is closed, and avoids the generation of excessive tank and swell problem; In addition, during extinguishing operation, use this water filling device that fire-fighting liquid can be made to be supplemented in time, for the efficiency and reliability promoting whole fire-fighting system provides advantage.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of water filling device one embodiment for fire fighting truck provided by the present invention;
Fig. 2 is the structure principle chart of control box in Fig. 1;
Fig. 3 is the schematic flow sheet of water-filling method one embodiment for fire fighting truck provided by the present invention.
Detailed description of the invention
For making object of the invention process, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the present invention's part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limiting the scope of the invention can not be interpreted as.
Fig. 1 shows the structural representation of water filling device one embodiment for fire fighting truck provided by the present invention, and as can be seen from the figure, the water filling device for fire fighting truck in the present embodiment at least comprises outer water injection pipe 1, leve monitor 2 and water injection valve 3, wherein:
Outer water injection pipe 1 has water injection interface 4 and delivery port 5, water injection interface 4 wherein for connecting fire hydrant or other low pressure water source, as water filling inlet.Delivery port 5 wherein, for being communicated with the water pot 6 on fire fighting truck, guides to water pot 6 with water water injection interface 4 injected.Because the water inlet of water pot 6 is arranged on its top usually, this makes delivery port 5 correspondingly be positioned at the top of water pot 6.And water injection interface 4 is positioned at lower, therefore, the shape of outer water injection pipe 1 is bending, and this shape can be carried out adjustment according to actual conditions and be used.
Leve monitor 2 is arranged on water pot 6, for obtaining the liquid level information in water pot 6.Leve monitor 2 can adopt floating-ball level switch, it is generally made up of buoyancy body and fixed body, buoyancy body is with magnet, fixed body is equipped with magnetic reed switch, after being arranged on liquid medium, when the liquid level of liquid medium changes, buoyancy body is made to contact with fixed body or be separated, thus make magnetic reed switch generation action, show as connecting or disconnecting of circuit.
As leve monitor 2 one kinds of preferred embodiments, it at least can comprise low leve monitor S10 and high leve monitor S11, is separately positioned on bottom and the top of water pot 6.When the installation site of the liquid level in water pot 6 lower than low leve monitor S10 time, low leve monitor S10 is failure to actuate, and this represents that the liquid level in water pot 6 is too low.When the water in water pot 6 reaches low leve monitor S10 and do not reach the installation site of high leve monitor S11 time, low leve monitor S10 action, high leve monitor S11 is failure to actuate, this represents that the liquid level in water pot 6 has exceeded minimum liquid level line, but not yet reach the highest liquid level line, can continue toward water pot 6 water filling.When water pot 6 fills, high leve monitor S11 action, this represents that water pot 6 reaches the highest liquid level line, and the water in water pot 6 fills.
Certainly, high leve monitor S11 is arranged on the top of water pot 6, and the water be used to indicate in water pot 6 fills situation, and certainly, this position is not limited to the top of water pot 6, can also carry out adjustment select according to actual condition.Distance between bottom low leve monitor S10 and water pot 6 is normally not more than the height 1/3 of water pot 6.When carrying out fire-fighting operation, the flow of the water be consumed in water pot 6 will be a bit larger tham the flow of the water injected by fire hydrant, and certain water of therefore water pot 6 reservation is as storage, empty to prevent water tank 6 from being inhaled.
Water injection valve 3 is arranged between water injection interface 4 on outer water injection pipe 1 and delivery port 5, in response to the liquid level information that leve monitor 2 gets.When the liquid level in water pot 6 is too low, water injection valve 3 is opened.When the liquid level in water pot 6 exceed minimum liquid level line and not yet reach the highest liquid level line when, water injection valve 3 remains opening.When water pot 6 fills, water pot 6 reach the highest liquid level line when, water injection valve 3 cuts out.
Water injection valve 3 in the present embodiment can adopt butterfly valve, and such as: Pneumatic butterfly valve, it utilizes compressed air-driven actuator, makes circular butterfly plate rotate a kind of valve reaching and open or close around valve shaft.With water injection valve 3 with the use of, compressed-air actuated break-make can be controlled by the break-make of circuit thus realize control to butterfly valve open/close states.It should be noted that, between water injection valve 3 and leve monitor 2, being used in conjunction with each other therebetween can be realized by hardware circuits such as the comparison circuits of routine.
To sum up, owing to being provided with leve monitor 2 at water pot 6, and, the liquid level information that the open/close states of water injection valve 3 gets in response to leve monitor 2, therefore the present embodiment can realize outer water injection work automatically, and when the liquid level in water pot 6 is too low, water injection valve 3 is opened; When the liquid level in water pot 6 exceed minimum liquid level line and not yet reach the highest liquid level line when, water injection valve 3 remains opening; When water pot 6 fills, water pot 6 reach the highest liquid level line when, water injection valve 3 cuts out, and avoids the generation of excessive tank and swell problem; In addition, during extinguishing operation, use this water filling device that fire-fighting liquid can be made to be supplemented in time, for the efficiency and reliability promoting whole fire-fighting system provides advantage.
In above-described embodiment, the water filling device for fire fighting truck can also comprise control box 7, and it is connected with leve monitor 2 signal, the liquid level information input control box 7 obtained by leve monitor 2.Control box 7 is electrically connected with water injection valve 3, is controlled the opening and closing of water injection valve 3 by control box 7.Receive liquid level information by control box 7, then the opening and closing of water injection valve 3 are controlled, control accuracy and reliability can be improved.
As shown in Figure 2, control box 7 at least comprises automatic water filling unit 71 and forces water injection unit 72, wherein:
Automatic water filling unit 71 correspond to automatic water filling pattern, and it at least comprises the first relay (not shown) and automatic water filling button, described first relay and the electrical connection of described automatic water filling button.Described first relay is arranged in control box 7, and described automatic water filling button is arranged on control box 7.The signal input part of automatic water filling unit 71 is connected with the low leve monitor S10 in leve monitor 2 and high leve monitor S11 signal simultaneously, the switch of output electrical connection water injection valve 3.When pressing described automatic water filling button, described first relay obtains the fluid level condition in water pot 6 according to leve monitor 2 (such as: liquid level detecting switch) and changes self on off operating mode, and then control the switch of water injection valve 3, realize automatic water filling and stop the operations such as water filling.
Force water injection unit 72 to correspond to pressure water-injection mode, it at least comprises the second relay (not shown) and forces water filling button, described second relay and the electrical connection of described pressure water filling button.Described second relay is arranged in control box 7, and described pressure water filling button is arranged on control box 7.The signal input part of water injection unit 72 is forced to be connected with the high leve monitor S11 signal in leve monitor 2, the switch of output electrical connection water injection valve 3.When pressing described pressure water filling button, described second relay changes the on off operating mode of self according to the high fluid level condition in high leve monitor S11 acquisition water pot 6, and then controls the switch of water injection valve 3, realizes forcing the operations such as water filling.
When automatic water filling unit 71 is enabled, the automatic water filling pattern for the water filling device of fire fighting truck starts, and this water-injection mode is normally all not operating at low leve monitor S10 and high leve monitor S11, when namely all not showing liquid level information, just sends water filling signal.With this water filling signal accordingly, automatic water filling unit 71 provides electric current for water injection valve 3, and water injection valve 3 is opened.Dynamic water-injection mode also in high leve monitor S11 action, when namely showing high liquid level information, can send and stop water filling signal.With this stopping water filling signal accordingly, automatic water filling unit 71 disconnects the electric current supply of water injection valve 3, water injection valve 3 must not electricity and close, thus stop water filling.
When forcing water injection unit 72 to be enabled, the pressure water-injection mode for the water filling device of fire fighting truck starts, and force water injection unit 72 usually can provide electric current for water injection valve 3, water injection valve 3 is opened and is in charging state always.This opening only when namely high leve monitor S11 action shows high liquid level information, just changes over closed condition and stops water filling.With this stopping water filling signal accordingly, force water injection unit 72 to disconnect the electric current supply of water injection valve 3, water injection valve 3 must not electricity and cutting out, thus stops water filling.
Certainly, in order to operating personnel observe directly the level condition in water pot 6, control box 7 can also arrange some display lamps (low liquid level indicator lamp H1 or high liquid level indicator lamp H2) or alarm reminder etc., and such as: low liquid level indicator lamp H1 lights, the liquid level that indicate in water pot 6 is too low; When in water pot 6, water fills, buoyancy of water makes high leve monitor S11 action, and high liquid level indicator lamp H2 lights, and indicates water in water pot 6 and fills.
Based on said apparatus, the present invention also provides a kind of water-filling method for fire fighting truck, and it comprises the following steps:
Obtained by the liquid level information in leve monitor 2 pairs of water pots 6; In response to described liquid level delivering water filling signal or stopping water filling signal.
Utilize this method can realize outer water injection work automatically, when the liquid level in water pot 6 is too low, perform water filling action; When the liquid level in water pot 6 exceed minimum liquid level line and not yet reach the highest liquid level line when, continue to perform water filling action; When water pot 6 fills, water pot 6 reach the highest liquid level line when, stop water filling, avoid the generation of excessive tank and swell problem; In addition, during extinguishing operation, use this water-filling method that fire-fighting liquid can be made to be supplemented in time, for the efficiency and reliability promoting whole fire-fighting system provides advantage.
In above-mentioned steps, under automatic water filling pattern, when not showing described liquid level information or described liquid level information is low liquid level, send water filling signal; When described liquid level information is high liquid level, sends and stop water filling signal.Under forcing water-injection mode, when described liquid level information is high liquid level, sends and stop water filling signal.
A kind of water-filling method for fire fighting truck is also provided to be described in detail below in conjunction with Fig. 1 and Fig. 3 to the present invention.
First, after water injection interface 4 is connected to fire hydrant, when pressing the automatic water filling button S1 on control box 6 (corresponding " automatic water filling unit 71 is enabled "), mean that fireman prepares to use automatic water filling pattern, if low liquid level detecting switch S10 is not operating, when namely in water pot 6, liquid level is too low, then automatic water filling unit 71 can make Pneumatic butterfly valve Y1 open automatically, start to water filling in water pot 6, now automatic water filling unit 71 can record the state that Pneumatic butterfly valve Y1 has opened automatically.When liquid level in water pot 6 rise to make low liquid level detecting switch S10 action time, the state that automatic water filling unit 71 can have been opened according to the Pneumatic butterfly valve Y1 of record, continue toward water filling in water pot 6, until high liquid level detecting switch S11 action, namely when water pot fills, automatically make Pneumatic butterfly valve Y1 close, stop the injecting process, now automatic water filling unit 71 can record the state that Pneumatic butterfly valve Y1 has closed.After in water pot 6, water is consumed a part; liquid level drops to and makes high liquid level detecting switch S11 return to not operating state; namely water pot 6 less than situation time; automatic water filling unit 71 still keeps the state that Pneumatic butterfly valve Y1 is closed; not to water filling in water pot 6; Pneumatic butterfly valve Y1 can be protected like this, make it not need to close frequently and open.When the water in water pot 6 is continued to consume, liquid level is down to and is made low liquid level detecting switch S10 return to not operating state, and during the situation that namely liquid level of water pot 6 is too low, automatic water filling unit 71 can open Pneumatic butterfly valve Y1 again, repeats foregoing water injection work.Like this, when achieving that in water pot 6, liquid level is too low, water filling in trend water pot 6, when water pot 6 fills, stops the function of water filling automatically.
It should be noted that, if press automatic water filling button S1, when water injection work is carried out in preparation, low liquid level detecting switch S10 action, namely the liquid level in water pot 6 is higher than the minimum liquid level of setting, and high liquid level detecting switch S11 is not operating, namely water pot less than when, now automatic water filling unit 71 can not open Pneumatic butterfly valve Y1.If now fireman wants to fill water pot 6, so with regard to the pressure water filling button S2 (corresponding " forcing water injection unit 72 to be enabled ") on push box, force water injection unit 72 meeting enforced opening Pneumatic butterfly valve Y1, water filling in water pot 6, until high liquid level detecting switch S11 action, namely when water pot 6 fills, automatic closedown Pneumatic butterfly valve Y1, stop the injecting process, now, fireman according to the prompting of the high liquid level indicator lamp H2 on operating case, can press and forces water filling button S2, make it reset again.
Certainly, when the fire fighting truck water consumed in water pot 6 carries out extinguishing operation, use this automatic water filling pattern will be more convenient, it can make the water be consumed in water pot 6 be supplemented timely and effectively, improves efficiency and the reliability of whole fire-fighting system.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.
Claims (10)
1. the water filling device for fire fighting truck, it is characterized in that: at least comprise outer water injection pipe (1), leve monitor (2) and water injection valve (3), wherein: described outer water injection pipe (1) has water injection interface (4) and delivery port (5), described delivery port (5) is for being communicated with the water pot (6) on fire fighting truck, described leve monitor (2) is arranged on described water pot (6), the described water injection valve (3) of the liquid level information got in response to described leve monitor (2) is arranged between described water injection interface (4) on described outer water injection pipe (1) and delivery port (5).
2. as claimed in claim 1 for the water filling device of fire fighting truck, it is characterized in that: described leve monitor (2) comprises low leve monitor (S10) and high leve monitor (S11), be separately positioned on bottom and the top of described water pot (6).
3. as claimed in claim 2 for the water filling device of fire fighting truck, it is characterized in that: the distance between described low leve monitor (S10) and described water pot (6) bottom is for being not more than 1/3 of described water pot (6) height.
4., as claimed in claim 2 for the water filling device of fire fighting truck, it is characterized in that: described high leve monitor (S11) is arranged on the top of described water pot (6).
5. as claimed in claim 1 for the water filling device of fire fighting truck, it is characterized in that: also comprise control box (7), it is connected with described leve monitor (2) signal, and the described liquid level information obtained by described leve monitor (2) inputs described control box (7); Described control box (7) is electrically connected with described water injection valve (3), is controlled the opening and closing of described water injection valve (3) by described control box (7).
6. as claimed in claim 5 for the water filling device of fire fighting truck, it is characterized in that: described leve monitor (2) comprises low leve monitor (S10) and high leve monitor (S11), be provided with automatic water filling unit (71) in described control box (7) and force water injection unit (72), the signal input part of the two connects described high leve monitor (S11) simultaneously, signal output part connects the switch of described water injection valve (3) simultaneously, the signal input part of described automatic water filling unit (71) is also connected with described low leve monitor (S10).
7., as claimed in claim 1 for the water filling device of fire fighting truck, it is characterized in that: described water injection valve (3) is butterfly valve.
8. for a water-filling method for fire fighting truck, it is characterized in that, comprise the following steps:
By leve monitor, the liquid level information in water pot is obtained;
In response to described liquid level delivering water filling signal or stopping water filling signal.
9., as claimed in claim 8 for the water-filling method of fire fighting truck, it is characterized in that, under automatic water filling pattern, when not showing described liquid level information or described liquid level information is low liquid level, sending water filling signal; When described liquid level information is high liquid level, sends and stop water filling signal.
10. as claimed in claim 9 for the water-filling method of fire fighting truck, it is characterized in that, under forcing water-injection mode, when described liquid level information is high liquid level, sends and stop water filling signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566299.7A CN105288912A (en) | 2014-10-22 | 2014-10-22 | Water injection device and water injection method used for fire fighting truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566299.7A CN105288912A (en) | 2014-10-22 | 2014-10-22 | Water injection device and water injection method used for fire fighting truck |
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| CN105288912A true CN105288912A (en) | 2016-02-03 |
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| CN201410566299.7A Pending CN105288912A (en) | 2014-10-22 | 2014-10-22 | Water injection device and water injection method used for fire fighting truck |
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Cited By (2)
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| CN107956213A (en) * | 2017-11-21 | 2018-04-24 | 济南东之林智能软件有限公司 | Automatic water injection method and device |
| CN108797713A (en) * | 2018-06-07 | 2018-11-13 | 中国神华能源股份有限公司 | Mobile handling facilities and its automatic watering apparatus, system and method |
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| CN107956213A (en) * | 2017-11-21 | 2018-04-24 | 济南东之林智能软件有限公司 | Automatic water injection method and device |
| CN107956213B (en) * | 2017-11-21 | 2023-09-29 | 济南东之林智能软件有限公司 | Automatic water injection method and device |
| CN108797713A (en) * | 2018-06-07 | 2018-11-13 | 中国神华能源股份有限公司 | Mobile handling facilities and its automatic watering apparatus, system and method |
| CN108797713B (en) * | 2018-06-07 | 2020-08-18 | 中国神华能源股份有限公司 | Mobile loading and unloading equipment and automatic water adding device, system and method thereof |
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Effective date of registration: 20170119 Address after: 221004 Jiangsu Province, Xuzhou City Yunlong District No. 165 Applicant after: Xugong fire safety equipment Co. Ltd. Address before: 221004 Xuzhou, Zhejiang Province, Jiangsu Road No. 165 Applicant before: Xuzhou Heavy Machinery Co., Ltd. |
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Application publication date: 20160203 |