CN110279973A - A kind of froth fire extinguishing system testing inspection platform - Google Patents
A kind of froth fire extinguishing system testing inspection platform Download PDFInfo
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- CN110279973A CN110279973A CN201910624149.XA CN201910624149A CN110279973A CN 110279973 A CN110279973 A CN 110279973A CN 201910624149 A CN201910624149 A CN 201910624149A CN 110279973 A CN110279973 A CN 110279973A
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- Prior art keywords
- froth
- foam
- valve
- entrance pipe
- fire extinguishing
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000007689 inspection Methods 0.000 title claims abstract description 21
- 239000006260 foam Substances 0.000 claims abstract description 56
- 210000005239 tubule Anatomy 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000013112 stability test Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a kind of froth fire extinguishing system testing inspection platforms, including control system, fire pump, motor, tank body and pipeline, fire pump is connected with motor, control system controls the operating of motor drive fire pump, fire pump and tank body pass through piping connection, pipeline includes entrance pipe, export pipeline and foam line, entrance pipe and export pipeline are that one end is connected with fire pump, the other end is connected with tank body, and foam line one end is connected with tank body, the other end is connected on entrance pipe by Venturi tube；Venturi tube one end is arranged on entrance pipe, the other end is connected by tubule road with fire pump；Valve and flowmeter are provided on pipeline, valve and flowmeter are connected with control system respectively.It can be detached from the platform that fire fighting truck is tested to detection platform of the invention, and can complete the test of system properties, new function test, critical component stability test, while remove the discharge of motor exhaust from.
Description
Technical field
The present invention relates to technical field of fire control, in particular to a kind of froth fire extinguishing system testing inspection platform.
Background technique
With the high speed development of Chinese society economy and scientific skill level, fire units are to fire fighting truck fire extinguishing system stability
It is continuously increased with Functional Requirement, product component is also being kept updating in industry.Therefore froth fire extinguishing system and its key
Component performance quality directly decides the product quality of fire fighting truck, therefore need to design adaptation froth fire extinguishing system and its component it is special
Belong to detection device, to promote the properties of product quality of foam truck.
The froth fire extinguishing system of domestic each fire fighting truck producer is mounted on fire fighting truck at present, is driven using chassis power takeoff
Dynamic, when use, need to call function foam truck of the same race, when doing coupling test, it is also necessary to employ two fire fighting trucks, and fire-fighting
Pump chamber pipeline is concentrated after vehicle, and space is limited, and a part of component exists and blocks when testing replacement, not easy-operating situation.In addition
Tank class fire fighting truck, is broadly divided into triple depending on the application, foam truck, and the foaming system of foam truck assembly
It is divided into automatic ratio foam, manual ratio foam, negative pressure ring pumps foam, and positive pressure injects foam, it may be said that is Various Functions, type
It is various, it makes troubles for test preparation.The major defect of existing product includes: that (1) needs to adjust when doing all kinds of tests of system
With the congenerous fire fighting truck assembled；(2) engine drives more piece transmission shaft efficiency in terms of transmission to reduce by power takeoff,
Energy loss is big；(3) component is tested on fire fighting truck, and it is small that there are operating spaces, is not easy to replace, laborious time-consuming problem.
Therefore, it is necessary to design the froth fire extinguishing system testing inspection platform of a meet demand.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of froth fire extinguishing system testing inspection platforms, can be detached from
The platform that fire fighting truck is tested, and the test of system properties can be completed, new function test, critical component stability is surveyed
Examination, while removing the discharge of motor exhaust from.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions:
A kind of froth fire extinguishing system testing inspection platform, including control system, fire pump, motor, tank body and pipeline,
The fire pump is connected with the motor by shaft coupling, the control system control motor drive fire pump operating, institute
It states between fire pump and the tank body through piping connection, the pipeline includes entrance pipe, export pipeline and foam line,
Described entrance pipe one end is connected with fire pump, the other end is connected with tank body, one end of the export pipeline is connected with fire pump,
The other end is connected with tank body, and described foam line one end is connected with tank body, the other end by Venturi tube is connected to entrance pipe
On；Described Venturi tube one end is arranged on entrance pipe, the other end is connected by tubule road with fire pump；It is set on the pipeline
It is equipped with valve and flowmeter, the valve and the flowmeter are connected with the control system respectively.
Preferably, in above-mentioned technical proposal, positive pressure foam inlet, the positive pressure foam are provided on the entrance pipe
Inlet carries out positive pressure foam test for accepting positive pressure foam line.
Preferably, in above-mentioned technical proposal, booster pump is provided with below the entrance pipe, the booster pump passes through pipe
Road is connected in parallel on the entrance pipe, for simulating operating condition when coupling operation.
Preferably, in above-mentioned technical proposal, the valve includes electronically controlled proportional valve and froth ratio valve, the automatically controlled ratio
Valve is set on the export pipeline, and the froth ratio valve is set on the foam line, passes through the control system control
Make the aperture of the valve.
Preferably, in above-mentioned technical proposal, the flowmeter includes vortex-shedding meter and electromagnetic flowmeter, the vortex street stream
Meter is set on the export pipeline, and the electromagnetic flowmeter is set on the foam line.
Preferably, in above-mentioned technical proposal, by flanged joint between the entrance pipe and the fire pump, it is described go out
Pass through flanged joint between mouth pipeline and the fire pump.
Preferably, in above-mentioned technical proposal, the control device passes through control frequency converter output frequency and described automatically controlled
The aperture of proportioning valve carries out outlet pressure closed-loop control.
Preferably, in above-mentioned technical proposal, the control device carries out PID by measuring the Electromagnetic Flow count value
It calculates, adjusts the aperture of froth ratio valve in real time, realize the foam injection of setting ratio.
Preferably, in above-mentioned technical proposal, the control system includes controller, display, sensor and control dress
It sets, the sensor includes flowmeter, pressure sensor, and the controller is connected with the sensor, the display and institute
It states controller to be connected, for showing the numerical value such as flow, pressure.
The characteristics of the application, is:
(1) PLC automation control, DATA REASONING accuracy is high, and control precision is high；
(2) full-featured, a variety of fire extinguishing operating conditions, pure water injection can be simulated, foams mix couples operation, positive pressure foam
Injection；
(3) integration is high: platform is by power device, and detection device, executive device, pipeline connecting device integral type is integrated,
Convenient for personnel's operation, maintenance.
Above-mentioned technical proposal of the present invention, has the following beneficial effects:
(1) high-efficient, zero-emission: platform directly drives fire-fighting pump mode using motor, saves more piece transmission shaft, improves
Transmission efficiency also eliminates the exhaust emissions of engine generation；
(2) advanced: to be controlled using PLC, high degree of automation, and be integrated with current most comprehensive froth fire extinguishing system
Function.
(3) high reliablity: structural principle is clear, and the probability that package unit breaks down is lower；
(4) operate, is easy to maintain: a whole set of structure is since integrated level is higher, and a people can be operated when in use, later maintenance
Easy maintenance.
Detailed description of the invention
Fig. 1 is the perspective view of froth fire extinguishing system testing inspection platform of the invention.
Fig. 2 is the main view of froth fire extinguishing system testing inspection platform of the invention.
Wherein: 1- fire pump, 2- motor, 3- tank body, 4- entrance pipe, 5- export pipeline, 6- foam line, 7- pressurization
Pump, 8- vortex-shedding meter, 9- electronically controlled proportional valve, 10- froth ratio valve, 11- electromagnetic flowmeter, 12- positive pressure foam inlet.
Specific embodiment
Specific embodiments of the present invention will be described in detail below, in order to further understand the present invention.
Fig. 1 is the perspective view of froth fire extinguishing system testing inspection platform of the invention.Fig. 2 is foam fire-fighting system of the invention
The main view of system testing inspection platform.It is as shown in the figure:
A kind of froth fire extinguishing system testing inspection platform, including control system, fire pump 1, motor 2, tank body 3 and pipe
Road.Specifically:
Fire pump 1 is connected with motor 2 by shaft coupling, and control system controls motor 2 and fire pump 1 is driven to operate.Disappear
By piping connection between anti-pump 1 and tank body 3, pipeline includes entrance pipe 4, export pipeline 5 and foam line 6, inlet tube
4 one end of road is connected with fire pump 1, the other end is connected with tank body 3, one end of export pipeline 5 is connected with fire pump 1, the other end with
Tank body 3 is connected, and 6 one end of foam line is connected with tank body 3, the other end is connected on entrance pipe 4 by Venturi tube；The text
Venturi one end is arranged on entrance pipe 4, the other end is connected by tubule road with fire pump 1；Be provided on pipeline valve and
Flowmeter, valve and flowmeter are connected with control system respectively.
Further, valve includes electronically controlled proportional valve 9 and froth ratio valve 10, and electronically controlled proportional valve 9 is set to export pipeline 5
On, froth ratio valve 10 is set on foam line 6, passes through the aperture of control system control valve.Flowmeter includes vortex street stream
Meter 8 and electromagnetic flowmeter 11, vortex-shedding meter 8 are set on export pipeline 5, and electromagnetic flowmeter 11 is set to foam line 6
On.Electronically controlled proportional valve 9, froth ratio valve 10 are connected with control system, control its aperture by control system.Vortex-shedding meter
8, electromagnetic flowmeter 11 is connected with the controller in control system respectively.
Further, positive pressure foam inlet 12 is provided on entrance pipe 4, positive pressure foam inlet 12 is for accepting just
Pressure foam line is to carry out positive pressure foam test.The lower section of entrance pipe 4 is provided with booster pump 7, for simulating coupling operation
Operating condition, booster pump 7 are connected in parallel on entrance pipe 4 by pipeline.
Further, by flanged joint between entrance pipe 4 and fire pump 1, lead between export pipeline 5 and fire pump 1
Cross flanged joint.
Further, control device is exported by the aperture of control frequency converter output frequency and electronically controlled proportional valve 9
Pressure closed loop control.Control device carries out PID calculating, adjusts foam ratio in real time by measuring 11 numerical value of electromagnetic flowmeter
The aperture of example valve 10 realizes the foam injection of setting ratio.
Further, control system includes controller, display, sensor and control device, and the sensor includes
Flowmeter, pressure sensor, the sensor are connected with the controller, and the display is connected with the controller, are used for
Show the numerical value such as flow, pressure.
It is an object of the invention to:
(1) it is convenient for the testing experiment of froth fire extinguishing system, function upgrading test, new deisgn product performance test, to foam
The improvement of system performance is promoted to provide and supports and help；
(2) it when solving froth fire extinguishing system test and critical component detection, needs to occupy fire fighting truck, interim to dismantle, replacement
Problem when rework cost caused by former vehicle component；
(3) remove the exhaust emissions that engine generates when testing using fire fighting truck from, play the effect of energy-saving and emission-reduction.
The course of work and principle:
Start control system driving driven by engine fire pump movement, the intracorporal water of tank is most laggard after the outflow of water inlet pipe road
Inlet/outlet pipeline finally stays back tank body；Or the intracorporal foam of tank is flowed out along foam line, the intracorporal water of tank is along entrance pipe stream
Out, it stays and is back in tank body along export pipeline after the two mixing.
(1) this system operations pass through control system (operation panel) completion, are equipped with display and control on panel
System switch.Display monitoring data include: pump rotary speed value, inlet pressure level, exit pressure levels, foam flow value, water flow
Value, foam/export ratio valve opening value, all kinds of warning messages etc..
(2) control of negative pressure ring pump foam, settable 1-10% ratio, PLC pass through water lines and foam line flow measurement
The numerical value of amount carries out PID calculating, adjusts froth ratio valve opening in real time, realizes the foam injection of setting ratio.
(3) flow pressure controls, and setting signal is converted into 4-20mA signal by PLC, controls frequency converter output frequency respectively
And outlet electric-controlled ball valve aperture, while respective feedback signal is acquired, accomplish closed-loop control.Feasible system flow 0-40L/S,
The Operating condition adjustment of pressure 1-1.4MPa.
(4) coupling barotropic model control, PLC control coupling booster electric machine operation, fire-fighting pump inlet pressure is mentioned by negative pressure
The positive pressure for rising to needs, when injecting positive pressure foam, pressure is not above foam injection pressure.
Of the invention has the advantage that
(1) with frequency converter and motor substitution engine in situ and power takeoff, fire pump is driven；
(2) full-featured, scalability is strong, integrates a variety of tank class fire fighting truck fire extinguishing system functions, is reserved with positive pressure foam note
Entrance supports positive pressure foam test.
(3) froth fire extinguishing system data test can both be done by being not required to occupancy fire fighting truck, and it is each can also to do froth fire extinguishing system
Unit test.
Although the present invention is disclosed as above with embodiment, so it is not intended to limit the present invention, any those skilled in the art
Member, without departing from the spirit and scope of the present invention, can make a variety of different selections and modification, therefore protection model of the invention
It encloses and is limited by claims and its equivalents.
Claims (9)
1. a kind of froth fire extinguishing system testing inspection platform, which is characterized in that including control system, fire pump (1), motor
(2), tank body (3) and pipeline, the fire pump (1) are connected with the motor (2) by shaft coupling, the control system control
Motor (2) driving fire pump (1) operating processed, it is described by piping connection between the fire pump (1) and the tank body (3)
Pipeline includes entrance pipe (4), export pipeline (5) and foam line (6), described entrance pipe (4) one end and fire pump (1)
Be connected, the other end is connected with tank body (3), one end of the export pipeline (5) is connected with fire pump (1), the other end and tank body (3)
It is connected, described foam line (6) one end is connected with tank body (3), the other end is connected on entrance pipe (4) by Venturi tube；
Described Venturi tube one end is arranged on entrance pipe (4), the other end is connected by tubule road with fire pump (1)；The pipeline
On be provided with valve and flowmeter, the valve and the flowmeter are connected with the control system respectively.
2. a kind of froth fire extinguishing system testing inspection platform according to claim 1, which is characterized in that the entrance pipe
(4) be provided with positive pressure foam inlet (12) on, the positive pressure foam inlet (12) for accept positive pressure foam line to
Carry out positive pressure foam test.
3. a kind of froth fire extinguishing system testing inspection platform according to claim 1, which is characterized in that the entrance pipe
(4) it is provided with below booster pump (7), the booster pump (7) is connected in parallel on the entrance pipe (4) by pipeline.
4. a kind of froth fire extinguishing system testing inspection platform according to claim 1, which is characterized in that the valve includes
Electronically controlled proportional valve (9) and froth ratio valve (10), the electronically controlled proportional valve (9) are set on the export pipeline (5), the bubble
Foam proportioning valve (10) is set on the foam line (6), and the aperture of the valve is controlled by the control system.
5. a kind of froth fire extinguishing system testing inspection platform according to claim 1, which is characterized in that the flowmeter packet
Vortex-shedding meter (8) and electromagnetic flowmeter (11) are included, the vortex-shedding meter (8) is set on the export pipeline (5), described
Electromagnetic flowmeter (11) is set on the foam line (6).
6. a kind of froth fire extinguishing system testing inspection platform according to claim 1, which is characterized in that the entrance pipe
(4) flange is passed through between the export pipeline (5) and the fire pump (1) by flanged joint between the fire pump (1)
Connection.
7. a kind of froth fire extinguishing system testing inspection platform according to claim 4, which is characterized in that the control device
By the aperture of control frequency converter output frequency and the electronically controlled proportional valve (9), outlet pressure closed-loop control is carried out.
8. a kind of froth fire extinguishing system testing inspection platform according to claim 5, which is characterized in that the control device
By measuring electromagnetic flowmeter (11) numerical value, PID calculating is carried out, adjusts the aperture of froth ratio valve (10) in real time, is realized
The foam of setting ratio injects.
9. a kind of froth fire extinguishing system testing inspection platform according to claim 1, which is characterized in that the control system
Including controller, display, sensor and control device, the sensor includes flowmeter, pressure sensor, the control
Device is connected with the sensor, and the display is connected with the controller, for showing the numerical value of flow, pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910624149.XA CN110279973A (en) | 2019-07-11 | 2019-07-11 | A kind of froth fire extinguishing system testing inspection platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910624149.XA CN110279973A (en) | 2019-07-11 | 2019-07-11 | A kind of froth fire extinguishing system testing inspection platform |
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| CN110279973A true CN110279973A (en) | 2019-09-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939251A (en) * | 2022-06-14 | 2022-08-26 | 国家电网有限公司 | Multifunctional foam system detection device |
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| CN206483032U (en) * | 2017-02-09 | 2017-09-12 | 北京中卓时代消防装备科技有限公司 | A kind of integrated control froth fire extinguishing system |
| CN107158610A (en) * | 2017-04-21 | 2017-09-15 | 东华大学 | Compressed-air foam ratio hybrid control system |
| CN107213564A (en) * | 2017-07-05 | 2017-09-29 | 九江中船消防设备有限公司 | A kind of froth fire extinguishing system measures self-balancing type hybrid technology |
| CN210384676U (en) * | 2019-07-11 | 2020-04-24 | 北京中卓时代消防装备科技有限公司 | Foam fire extinguishing system test detection platform |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114939251A (en) * | 2022-06-14 | 2022-08-26 | 国家电网有限公司 | Multifunctional foam system detection device |
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