CN109590293A - Gas purge system, fire fighting truck and control method - Google Patents
Gas purge system, fire fighting truck and control method Download PDFInfo
- Publication number
- CN109590293A CN109590293A CN201811506736.0A CN201811506736A CN109590293A CN 109590293 A CN109590293 A CN 109590293A CN 201811506736 A CN201811506736 A CN 201811506736A CN 109590293 A CN109590293 A CN 109590293A
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- Prior art keywords
- purge system
- module
- control
- pipeline
- gas purge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
Abstract
The embodiment of the present invention provides a kind of gas purge system, fire fighting truck and control method, belongs to technical field of fire control.The gas purge system includes: first switch module, operational order gas purge system starting or closed for receiving control；Humidity detecting module removes the humidity value in the pipeline of moisture for detecting stand-by gas purge system；Module is supplied, for supplying into pipeline, to remove the moisture in pipeline；Tracheae, gas supply module are supplied via tracheae into pipeline；And control module, it is used for: receiving control instruction from first switch module, wherein control instruction is issued for first switch module in response to its received operational order；Humidity value is received from humidity detecting module；And it is supplied or is not supplied into the pipeline into pipeline based on control instruction and humidity value control gas supply module.It is thereby achieved that automatic control gas purge system start and stop, reduce the loss to gas source.
Description
Technical field
The present invention relates to technical field of fire control, more particularly to a kind of gas purge system, fire fighting truck and control method.
Background technique
It needs to use a large amount of water as extinguishing chemical in fire fighting truck emergency management and rescue.After emergency management and rescue in fire protection pipeline often
Remaining a part of water.These remain in the water in fire protection pipeline, can corrode fire protection pipeline after a long time.And low temperature ring in winter
In border, also easily freeze.Therefore these residual water can seriously affect the rescue efficiency of fire fighting truck.Currently, a large amount of fire fighting trucks use
Automobile chassis gas reaches the function to fire-fighting blowing pipeline as gas source purge gas.But use chassis gas as air-blowing scavenging
Source easily causes chassis and loses gas, causes brake pressure insufficient, influences the normal work of automobile chassis brake.Secondly, cannot be automatic
Working condition is swept in control air-blowing, causes the waste of gas source.As shown in Figure 1, fire fighting truck pipeline gas is purged in the air accumulator of chassis
Gas is connected as gas source, by gas circuit with water main, controls through hand control valve, cannot monitor in real time.
Summary of the invention
The object of the present invention is to provide a kind of equipment, can solve or at least partly solve the problem above-mentioned.
To achieve the goals above, one aspect of the present invention provides a kind of gas purge system, which includes:
First switch module controls operational order gas purge system starting or closed for receiving；Humidity detecting module is used for
The stand-by gas purge system of detection removes the humidity value in the pipeline of moisture；Module is supplied, for being supplied into the pipeline,
To remove the moisture in the pipeline；Tracheae, the gas supply module are supplied via the tracheae into the pipeline；And control
Module is used for: control instruction is received from the first switch module, wherein the control instruction is rung for the first switch module
The Ying Yuqi received operational orders of institute and issue；The humidity value is received from the humidity detecting module；And it is based on the control
System instruction and the humidity value control the gas supply module and supply or do not supplied into the pipeline into the pipeline.
Optionally, the control module is based on the control instruction and the humidity value and controls the gas supply module to described
It is supplied in pipeline or gas supply includes: to correspond to start the gas purge system and institute in the control instruction not into the pipeline
In the case where humidity value is stated more than or equal to default humidity value, controls the gas supply module and supplied into the pipeline, it is lasting to examine
Survey the humidity value and judge relationship between the humidity value and the default humidity value, and when the humidity value be less than it is described pre-
Pass is received if controlling the gas supply module when humidity value and stopping supplying and control the first switch module into the pipeline
Close the operational order of the gas purge system；Correspond in the control instruction and starts the gas purge system but the humidity value
In the case where the default humidity value, controls the gas supply module and do not supplied into the pipeline；And in the control
In the case that instruction corresponds to the closing gas purge system, controls the gas supply module and do not supplied into the pipeline.
Optionally, the gas supply module is air compressor machine.
Optionally, the first switch module is control switch.
Optionally, the gas purge system further include: second switch module, for controlling the on and off of the tracheae
And/or the water in the pipeline is prevented to be back to the tracheae.
Optionally, the second switch module includes check valve and/or ball valve, wherein when control the gas supply module to
The ball valve is controlled when supplying in the pipeline to open, and controls institute when controlling the gas supply module and supplying not into the pipeline
State ball valve closing.
In addition, another aspect of the present invention provides a kind of fire fighting truck, which includes above-mentioned gas purge system.
In addition, another aspect of the present invention also provides a kind of control method, the control method is swept by above-mentioned air-blowing
System realizes automatic blowing.
Through the above technical solutions, what control instruction and humidity detecting module based on the sending of first switch module detected
Humidity value control gas supply module is removed to stand-by gas purge system to be supplied in the pipeline of moisture or does not supply into pipeline, such as
This, realizes and automatically controls the start and stop of gas purge system, reduce the waste to gas source.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the embodiment of the present invention, and constitute part of specification, under
The specific embodiment in face is used to explain the present invention embodiment together, but does not constitute the limitation to the embodiment of the present invention.Attached
In figure:
Fig. 1 is the structural schematic diagram of a gas purge system；
Fig. 2 is the connection schematic diagram for the gas purge system that one embodiment of the invention provides；
Fig. 3 be another embodiment of the present invention provides gas purge system structural schematic diagram；
Fig. 4 is the control loop schematic diagram of gas purge system shown in Fig. 3；
Fig. 5 is the structural block diagram of the control system of gas purge system shown in Fig. 3；And
Fig. 6 is the logical schematic of gas purge system work shown in Fig. 3.
Description of symbols
1 first switch module, 2 control module
3 gas supply 4 tracheaes of module
5 humidity detecting module, 6 control switch
7 check valve, 8 electric-controlled ball valve
9 air compressor machine, 10 humidity sensor
11 ball valve control module, 12 air compressor machine control module
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the embodiment of the present invention.It should be understood that this
Locate described specific embodiment and be merely to illustrate and explain the present invention embodiment, is not intended to restrict the invention embodiment.
The one aspect of the embodiment of the present invention provides a kind of gas purge system.Fig. 2 is the gas that one embodiment of the invention provides
The connection schematic diagram of purge system.Wherein, pressure-air can be added in gas purge system into pipeline, will be managed by gas pressure
Residual moisture is discharged from pipeline in road, reaches Pipeline antirust and antifreeze purpose.As shown in Fig. 2, gas purge system includes first
Switch module 1, control module 2, gas supply module 3, tracheae 4 and humidity detecting module 5.
Wherein, first switch module is used to receive the operational order that control gas purge system starting or closed.For example, first
Switch module can be button, is to indicate to open gas purge system when button is pressed, indicates to close gas when button is ejected
Purge system.When user needs to open gas purge system, user presses lower button, and button receives the behaviour for opening gas purge system
It instructs；When user needs to close gas purge system, user presses lower button again, and button is ejected, and button receives closing
The operational order of gas purge system.In addition, first switch module can also be key or touch screen.Optionally, in the present invention
In embodiment, first switch module 1 can be control switch.
Humidity detecting module 5 is used to detect the humidity value in the pipeline of stand-by gas purge system removing moisture.Optionally, exist
In the embodiment of the present invention, humidity detecting module 5 can be with humidity sensor.
Gas supply module 3 into pipeline for supplying, to remove the moisture in pipeline.Module 3 is supplied via tracheae 4 to pipeline
Middle gas supply.Optionally, in embodiments of the present invention, gas supply module 3 can be air compressor machine.The air compressor machine is swept independently of using air-blowing
The vehicle of system or other facilities.In this way, can not make when the gas purge system is applied in fire fighting truck or other vehicles
It uses chassis gas as gas source, avoids the normal work for causing chassis to lose gas, cause brake pressure deficiency, influence chassis brake.
Control module 2 receives control command from first switch module 1, wherein the control command is 1 sound of first switch module
The Ying Yuqi received operational orders of institute and issue.For example, first switch module 1 receive be control gas purge system open
Operational order, then its control command issued is intended to control unlatching gas purge system.What first switch module 1 received is control
The operational order that gas purge system processed is closed, then its control command issued is intended to control closing gas purge system.Control mould
Block 2 is also used to receive its humidity value detected from humidity detecting module 5, and is based on from the received control of first switch module 1
System order and the pipe that moisture is removed from the received humidity value of humidity detecting module 5 control gas supply module 3 to stand-by gas purge system
It supplies or is not supplied into the pipeline in road.
The humidity value control gas supply mould that the control instruction and humidity detecting module issued based on first switch module is detected
Block is removed to stand-by gas purge system to be supplied in the pipeline of moisture or does not supply into pipeline, in this way, realizing automatic control
Gas purge system start and stop, reduce the waste to gas source.
Optionally, in embodiments of the present invention, control module is based on control instruction and humidity value control gas supply module to pipe
It is supplied in road or gas supply includes the following contents not into pipeline.
In the case where control instruction corresponds to starting gas purge system and humidity value is greater than or equal to default humidity value, control
System gas supply module is supplied into pipeline, is persistently detected humidity value and is judged the relationship between humidity value and default humidity value, and works as
Control gas supply module stops that the first switch module reception is supplied and controlled into pipeline when humidity value is less than default humidity value
To the operational order for closing the gas purge system.For example, controlling first switch so that above-mentioned first switch module is button as an example
The operational order that module receives closing gas purge system is ejected for control button.Optionally, when first switch module is control
When system switch, it is the control automatic returning to customs of control switch that control first switch module, which receives and closes the operational order of gas purge system,
Close position.
In the case where control instruction corresponds to starting gas purge system but humidity value is less than default humidity value, control gas supply
Module is not supplied into pipeline.
In the case where control instruction corresponds to and closes gas purge system, control gas supply module is not supplied into pipeline.It can
Selection of land, the default humidity value can be 10%.
Optionally, in embodiments of the present invention, gas purge system can also include second switch module.Wherein this second is opened
Module is closed to be used to control the on and off of tracheae and/or the water in pipeline is prevented to be back to tracheae.Optionally, second switch mould
Block includes check valve and/or ball valve, wherein when control gas supply module is supplied into pipeline, control ball valve is opened, when control supplies
Ball valve is controlled when gas module supplies not into pipeline to close.Optionally, ball valve can be electric-controlled ball valve.
Fig. 3 be another embodiment of the present invention provides gas purge system structural schematic diagram.As shown in figure 3, automatic air blowing
System is swept by members such as control switch 6, control module 2, air compressor machine 9, electric-controlled ball valve 8, tracheae 4, check valve 7, humidity sensors 10
Part is constituted.
It is applied by gas purge system shown in Fig. 3 and is introduced for fire fighting truck removes the water in fire protection pipeline.
When needing to start gas purge system, control switch 6 is opened, control switch 6 transmits control command to control module 2, wherein should
Control command is intended to start gas purge system.After control module 2 receives the control command of control switch 6, start air compressor machine 9 and electricity
Valve 8 of controlling ball works.Air compressor machine 9 generate pressure-air by tracheae 4 toward fire protection pipeline (i.e. described in above-described embodiment it is stand-by
Gas purge system removing moisture pipeline) in supply pressure-air.7 permission pressure-airs of check valve are supplied toward fire protection pipeline,
Prevent the water in water main from entering gas circuit.Humidity sensor 10 detects the humidity condition in fire protection pipeline, and signal is fed back to
Control module 2 controls the working condition of gas purge system.Specifically, humidity sensor 10 detects the humidity value in fire protection pipeline,
Detected humidity value is transmitted to control module 2, the humidity value that control module 2 detects humidity sensor 10 and default
Humidity value is compared, and is controlled according to comparison result air compressor machine 9 and electric-controlled ball valve 8.
In addition, the control loop schematic diagram of gas purge system shown in Fig. 3 may refer to Fig. 4.As shown in figure 4, air-blowing is swept
Control switch 6, control module 2, humidity sensor 10, ball valve control module 11 and air compressor machine control module 12 in system are constituted
Control loop.Wherein, ball valve control module 11 is the electric-controlled switch of electric-controlled ball valve, it is, control module 2 is via electric-controlled ball valve
Electric-controlled switch control electric-controlled ball valve open or close；Air compressor machine control module 12 is the electric-controlled switch of air compressor machine, it is,
Control module 2 controls opening or closing for air compressor machine via the electric-controlled switch of air compressor machine.In addition, gas purge system shown in Fig. 3
In the structural block diagram of control system may refer to Fig. 5.As shown in figure 5, the control system of gas purge system includes control switch
6, humidity sensor 10, control module 2, air compressor machine control module 11 and ball valve control module 12.
It is described in detail below with reference to the logic that Fig. 6 works to gas purge system shown in Fig. 3.
As shown in fig. 6, firstly, step switch, that is, control switch 6 receives the starting of control gas purge system or closes
Operational order, and issue response its received operational order order (i.e. control instruction described in above-described embodiment).
Then, after control module 2 receives the order of the sending of control switch 6, first order is judged.When order is anticipated
When closing gas purge system, control module 2 controls air compressor machine closing, electric-controlled ball valve is closed, and control is not supplied into fire protection pipeline
Gas.When order is intended to open gas purge system, control module 2 carries out whole vehicle state judgement, according to the letter of humidity sensor 10
Working condition needed for number feedback judgement system, that is, humidity value that humidity sensor 10 is detected and default humidity value carry out
Compare, should be controlled according to the working condition of gas purge system needed for comparison result judgement, that is, according to comparison result judgement
Gas purge system processed is opened or control control gas purge system is closed.
When the humidity value that humidity sensor 10 detects is less than default humidity value, control module 2 controls control switch 6 certainly
Dynamic multiple close stance, while air compressor machine control module 11 and ball valve control module 12 are controlled so that at air compressor machine 9 and electric-controlled ball valve 8
In closed state, gas purge system is in off position.It should be noted that when starting to judge that humidity sensor 10 detects
Humidity value and default humidity value and judging result when being that humidity value is less than default humidity value, regardless of at this time air compressor machine 9 and
Electrical ball valve 8 is in close state or open state, as long as both control is in close state.
When fire protection pipeline humidity is larger, that is, the humidity value that humidity sensor 10 detects is wet more than or equal to presetting
When angle value, control module 2 controls air compressor machine control module 11 and ball valve control module 12 to open air compressor machine 9 and open automatically controlled ball
Valve 8 supplies pressure-air into fire protection pipeline, purges fire protection pipeline, removes the moisture in fire protection pipeline.
Next, the humidity value in 10 real-time detection fire protection pipeline of humidity sensor, the humidity value that will test are anti-in real time
Control module of feeding 2, the humidity value that control module 2 is fed back in real time according to this judge whether fire protection pipeline is dried, that is, sentence
It is disconnected whether to keep gas purge system in running order, specifically, judge the humidity value fed back in real time whether be less than preset it is wet
Angle value.When humidity value is still greater than or equal to default humidity value, continues control and open air compressor machine and open electric-controlled ball valve, control
Module 2 controls control switch 6, air compressor machine control module 11 and electric-controlled ball valve control module 12 and is continuously in working condition.When wet
When angle value is less than default humidity value, control module 2 controls control switch 6 and answers close stance automatically, while controlling air compressor machine control mould
To close air compressor machine 9 and electric-controlled ball valve 8, system stalls are swept in air-blowing for block 11 and ball valve control module 12.
In addition, the another aspect of the embodiment of the present invention also provides a kind of fire fighting truck.The fire fighting truck includes in above-described embodiment
The gas purge system.
In addition, the another aspect of the embodiment of the present invention also provides a kind of control method.The control method passes through above-mentioned implementation
Gas purge system described in example realizes automatic blowing.
In conclusion the humidity value control that control instruction and humidity detecting module based on the sending of first switch module detect
System gas supply module is removed to stand-by gas purge system to be supplied in the pipeline of moisture or does not supply into pipeline, in this way, realizing
The start and stop of gas purge system are automatically controlled, the waste to gas source is reduced.In addition, gas supply module can be air compressor machine.It should
Vehicle or other facilities of the air compressor machine independently of application gas purge system.In this way, when the gas purge system is applied in fire fighting truck
Or when other vehicles, it without using chassis gas as gas source can avoid that chassis is caused to lose gas, cause brake pressure deficiency, shadow
Ring the normal work of chassis brake.
The optional embodiment of the embodiment of the present invention is described in detail in conjunction with attached drawing above, still, the embodiment of the present invention is simultaneously
The detail being not limited in above embodiment can be to of the invention real in the range of the technology design of the embodiment of the present invention
The technical solution for applying example carries out a variety of simple variants, these simple variants belong to the protection scope of the embodiment of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the embodiment of the present invention pair
No further explanation will be given for various combinations of possible ways.
In addition, any combination can also be carried out between a variety of different embodiments of the embodiment of the present invention, as long as it is not
The thought of the embodiment of the present invention is violated, equally should be considered as disclosure of that of the embodiment of the present invention.
Claims (8)
1. a kind of gas purge system, which is characterized in that the gas purge system includes:
First switch module controls operational order gas purge system starting or closed for receiving；
Humidity detecting module, the humidity value in pipeline for detecting the stand-by gas purge system removing moisture；
Module is supplied, for supplying into the pipeline, to remove the moisture in the pipeline；
Tracheae, the gas supply module are supplied via the tracheae into the pipeline；And
Control module is used for:
Control instruction is received from the first switch module, wherein the control instruction is the first switch module in response to it
The received operational order of institute and issue；
The humidity value is received from the humidity detecting module；And
The gas supply module is controlled based on the control instruction and the humidity value to supply into the pipeline or not to the pipe
It is supplied in road.
2. gas purge system according to claim 1, which is characterized in that the control module be based on the control instruction and
The humidity value controls the gas supply module and supplies into the pipeline or supply not into the pipeline
Correspond to the starting gas purge system in the control instruction and the humidity value is greater than or equal to default humidity value
In the case of, control the gas supply module and supplied into the pipeline, persistently detect the humidity value and judge the humidity value and
Relationship between the default humidity value, and control the gas supply module when the humidity value is less than the default humidity value and stop
The first switch module is only supplied and controlled into the pipeline receives the operational order for closing the gas purge system；
Correspond to the starting gas purge system in the control instruction but the humidity value is less than the feelings of the default humidity value
Under condition, controls the gas supply module and do not supplied into the pipeline；And
In the case where the control instruction corresponds to and closes the gas purge system, the gas supply module is controlled not to the pipe
It is supplied in road.
3. gas purge system according to claim 1 or 2, which is characterized in that the gas supply module is air compressor machine.
4. gas purge system according to claim 1 or 2, which is characterized in that the first switch module is control switch.
5. gas purge system according to claim 1 or 2, which is characterized in that the gas purge system further include:
Second switch module, for controlling the on and off of the tracheae and/or the water in the pipeline being prevented to be back to institute
State tracheae.
6. gas purge system according to claim 5, which is characterized in that the second switch module include check valve and/
Or ball valve, wherein control the ball valve when controlling the gas supply module and supplying into the pipeline and open, when the control confession
Gas module controls the ball valve and closes when supplying not into the pipeline.
7. a kind of fire fighting truck, which is characterized in that the fire fighting truck includes gas purge system of any of claims 1-6.
8. a kind of control method, which is characterized in that the control method is swept by air-blowing of any of claims 1-6
System realizes automatic blowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506736.0A CN109590293A (en) | 2018-12-10 | 2018-12-10 | Gas purge system, fire fighting truck and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506736.0A CN109590293A (en) | 2018-12-10 | 2018-12-10 | Gas purge system, fire fighting truck and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109590293A true CN109590293A (en) | 2019-04-09 |
Family
ID=65960662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811506736.0A Pending CN109590293A (en) | 2018-12-10 | 2018-12-10 | Gas purge system, fire fighting truck and control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN109590293A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219340A (en) * | 2019-06-20 | 2019-09-10 | 恒盾消防科技有限公司 | A kind of outdoor fire hydrant that anti-freeze type is concealed |
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| CN201711313U (en) * | 2010-05-20 | 2011-01-19 | 上海梅山钢铁股份有限公司 | On-line purging device for transformer |
| CN105295963A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Crude gas cleaning device for coke oven discharging pipe and control method thereof |
| CN107007956A (en) * | 2016-12-28 | 2017-08-04 | 山东太平洋光纤光缆有限公司 | A kind of digital fire fighting car fire hose |
| CN108642418A (en) * | 2018-04-04 | 2018-10-12 | 山东亨圆铜业有限公司 | Purging automatic detection and control system and method in the annealing of well annealing furnace copper pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201269359Y (en) * | 2008-08-25 | 2009-07-08 | 沈阳捷通消防车有限公司 | Antifreeze purging ball valve for fire-fighting truck |
| CN201711313U (en) * | 2010-05-20 | 2011-01-19 | 上海梅山钢铁股份有限公司 | On-line purging device for transformer |
| CN105295963A (en) * | 2015-10-29 | 2016-02-03 | 山东钢铁股份有限公司 | Crude gas cleaning device for coke oven discharging pipe and control method thereof |
| CN107007956A (en) * | 2016-12-28 | 2017-08-04 | 山东太平洋光纤光缆有限公司 | A kind of digital fire fighting car fire hose |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110219340A (en) * | 2019-06-20 | 2019-09-10 | 恒盾消防科技有限公司 | A kind of outdoor fire hydrant that anti-freeze type is concealed |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 410200 No. 997, Section 2, Tengfei Road, Wangcheng District, Changsha City, Hunan Province Applicant after: Hunan Zoomlion emergency equipment Co.,Ltd. Address before: 410200 No. 997, Jinxing Road, Wangcheng District, Changsha City, Hunan Province Applicant before: Changsha Zhonglian Fire-Fighting Machinery Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190409 |
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| RJ01 | Rejection of invention patent application after publication |