CN210384676U - Foam fire extinguishing system test detection platform - Google Patents
Foam fire extinguishing system test detection platform Download PDFInfo
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- CN210384676U CN210384676U CN201921081042.7U CN201921081042U CN210384676U CN 210384676 U CN210384676 U CN 210384676U CN 201921081042 U CN201921081042 U CN 201921081042U CN 210384676 U CN210384676 U CN 210384676U
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Abstract
The utility model discloses a foam fire extinguishing system test detection platform, which comprises a control system, a fire pump, a motor, a tank body and a pipeline, wherein the fire pump is connected with the motor, the control system controls the motor to drive the fire pump to operate, the fire pump is connected with the tank body through the pipeline, the pipeline comprises an inlet pipeline, an outlet pipeline and a foam pipeline, one end of the inlet pipeline and one end of the outlet pipeline are both connected with the fire pump, the other end of the inlet pipeline and the other end of the outlet pipeline are connected with the tank body, one end of the foam pipeline is connected with the tank body, and the other; one end of the venturi tube is arranged on the inlet pipeline, and the other end of the venturi tube is connected with the fire pump through the thin pipeline; the pipeline is provided with a valve and a flowmeter which are respectively connected with the control system. The utility model discloses an it can break away from the platform that the fire engine carries out the experiment of testing platform, and can accomplish each item capability test of system, and new function test, key part stability test remove engine exhaust's emission simultaneously from.
Description
Technical Field
The utility model relates to a fire control technical field, in particular to foam fire extinguishing systems tests testing platform.
Background
With the rapid development of the socioeconomic and scientific skill level in China, the requirements of fire-fighting units on the stability and functionality of fire-fighting vehicle fire-fighting systems are continuously increased, and the product components in the industry are continuously updated. Therefore, the performance of the foam fire extinguishing system and key components thereof directly determines the product quality of the fire fighting truck, and special detection equipment suitable for the foam fire extinguishing system and the components thereof needs to be designed, so that the product performance quality of the foam fire fighting truck is improved.
At present, the foam fire extinguishing systems of various domestic fire engine manufacturers are all installed on fire engines, a chassis power takeoff is used for driving, the foam fire engines with the same functions need to be called during use, two fire engines need to be used during a coupling test, pipelines of a pump chamber behind the fire engines are concentrated, the space is limited, and the situation that the foam fire extinguishing systems are shielded and are not easy to operate exists when part of parts are tested and replaced. In addition, the tank fire engine is mainly divided into a water tank fire engine and a foam fire engine according to the application, and a foam system assembled by the foam fire engine is divided into automatic proportional foam, manual proportional foam, negative pressure ring pump foam and positive pressure injection foam, so that the tank fire engine has different functions and various types, and brings inconvenience for test preparation work. The main disadvantages of the existing products include: (1) when various tests of the system are carried out, the assembled fire engine with the same function is required to be called; (2) the engine drives the multi-section transmission shaft through the power takeoff, so that the efficiency is reduced in the transmission aspect, and the energy loss is large; (3) the part is experimental on the fire engine, has that operating space is little, is difficult for changing, and is hard for taking time problem.
Therefore, a foam fire extinguishing system test detection platform meeting the requirements needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a foam fire extinguishing systems test testing platform is provided, it can break away from the fire engine and carry out experimental platform, and can accomplish each item capability test of system, and new function test, key part stability test remove engine exhaust's emission simultaneously from.
The utility model discloses the technical problem that solve is realized through following technical scheme:
a foam fire extinguishing system test detection platform comprises a control system, a fire pump, a motor, a tank body and a pipeline, wherein the fire pump is connected with the motor through a coupler, the control system controls the motor to drive the fire pump to operate, the fire pump is connected with the tank body through the pipeline, the pipeline comprises an inlet pipeline, an outlet pipeline and a foam pipeline, one end of the inlet pipeline is connected with the fire pump, the other end of the inlet pipeline is connected with the tank body, one end of the outlet pipeline is connected with the fire pump, the other end of the outlet pipeline is connected with the tank body, one end of the foam pipeline is connected with the tank body, and the other end of the foam pipeline is connected with; one end of the venturi tube is arranged on the inlet pipeline, and the other end of the venturi tube is connected with the fire pump through the thin pipeline; and the pipeline is provided with a valve and a flowmeter, and the valve and the flowmeter are respectively connected with the control system.
Preferably, in the above technical scheme, a positive pressure foam injection port is arranged on the inlet pipeline, and the positive pressure foam injection port is used for receiving the positive pressure foam pipeline so as to perform a positive pressure foam test.
Preferably, in the above technical scheme, a booster pump is arranged below the inlet pipeline, and the booster pump is connected in parallel to the inlet pipeline through a pipeline and used for simulating the working condition during coupling operation.
Preferably, in the above technical solution, the valve includes an electric control proportional valve and a foam proportional valve, the electric control proportional valve is disposed on the outlet pipeline, the foam proportional valve is disposed on the foam pipeline, and the opening degree of the valve is controlled by the control system.
Preferably, in the above technical solution, the flowmeter includes a vortex flowmeter and an electromagnetic flowmeter, the vortex flowmeter is disposed on the outlet pipe, and the electromagnetic flowmeter is disposed on the foam pipe.
Preferably, in the above technical scheme, the inlet pipeline is connected with the fire pump through a flange, and the outlet pipeline is connected with the fire pump through a flange.
Preferably, in the above technical solution, the control device performs closed-loop control of the outlet pressure by controlling the output frequency of the frequency converter and the opening degree of the electrically controlled proportional valve.
Preferably, in the above technical solution, the control device performs PID calculation by measuring the electromagnetic flow count value, and adjusts the opening degree of the foam proportional valve in real time to realize foam injection with a set proportion.
Preferably, in the above technical solution, the control system includes a controller, a display, a sensor and a control device, the sensor includes a flowmeter and a pressure sensor, the controller is connected to the sensor, and the display is connected to the controller and is used for displaying numerical values such as flow rate and pressure.
The application is characterized in that:
(1) PLC automatic control, high data measurement accuracy and high control precision;
(2) the multifunctional fire extinguishing device has comprehensive functions, and can simulate various fire extinguishing working conditions, such as pure water injection, foam mixing, coupling operation and positive pressure foam injection;
(3) the integration is high: the platform integrates the power device, the detection device, the execution device and the pipeline connecting device into a whole, so that the operation and maintenance of personnel are facilitated.
The above technical scheme of the utility model, following beneficial effect has:
(1) high efficiency and zero emission: the fire pump is directly driven by the motor on the platform, so that a multi-section transmission shaft is omitted, the transmission efficiency is improved, and the exhaust emission generated by an engine is also omitted;
(2) the advancement is as follows: adopts PLC control, has high automation degree and integrates the most comprehensive foam fire extinguishing system function at present.
(3) The reliability is high: the structural principle is clear, and the probability of the fault of the whole set of device is lower;
(4) the operation and maintenance are convenient: the whole structure is high in integration level, so that the whole structure can be operated by one person during use, and later maintenance is convenient.
Drawings
Fig. 1 is a perspective view of the testing and detecting platform of the foam fire extinguishing system of the utility model.
Fig. 2 is a front view of the testing platform of the foam fire extinguishing system of the present invention.
Wherein: the system comprises a fire pump 1, a motor 2, a tank 3, an inlet pipeline 4, an outlet pipeline 5, a foam pipeline 6, a booster pump 7, a vortex street flowmeter 8, an electric control proportional valve 9, a foam proportional valve 10, an electromagnetic flowmeter 11 and a positive pressure foam injection port 12.
Detailed Description
The following detailed description of the present invention is provided to facilitate further understanding of the invention.
Fig. 1 is a perspective view of the testing and detecting platform of the foam fire extinguishing system of the utility model. Fig. 2 is a front view of the testing platform of the foam fire extinguishing system of the present invention. As shown in the figure:
a foam fire extinguishing system test detection platform comprises a control system, a fire pump 1, a motor 2, a tank body 3 and a pipeline. In detail:
the fire pump 1 is connected with the motor 2 through a coupler, and the control system controls the motor 2 to drive the fire pump 1 to operate. The fire pump 1 is connected with the tank body 3 through a pipeline, the pipeline comprises an inlet pipeline 4, an outlet pipeline 5 and a foam pipeline 6, one end of the inlet pipeline 4 is connected with the fire pump 1, the other end of the inlet pipeline is connected with the tank body 3, one end of the outlet pipeline 5 is connected with the fire pump 1, the other end of the outlet pipeline is connected with the tank body 3, one end of the foam pipeline 6 is connected with the tank body 3, and the other end of the foam pipeline is connected with the inlet pipeline 4 through a Venturi tube; one end of the Venturi tube is arranged on the inlet pipeline 4, and the other end of the Venturi tube is connected with the fire pump 1 through a thin pipeline; the pipeline is provided with a valve and a flowmeter which are respectively connected with the control system.
Further, the valve comprises an electric control proportional valve 9 and a foam proportional valve 10, the electric control proportional valve 9 is arranged on the outlet pipeline 5, the foam proportional valve 10 is arranged on the foam pipeline 6, and the opening degree of the valve is controlled through a control system. The flowmeter comprises a vortex flowmeter 8 and an electromagnetic flowmeter 11, wherein the vortex flowmeter 8 is arranged on the outlet pipeline 5, and the electromagnetic flowmeter 11 is arranged on the foam pipeline 6. The electric control proportional valve 9 and the foam proportional valve 10 are both connected with a control system, and the opening degree of the electric control proportional valve and the foam proportional valve is controlled by the control system. The vortex shedding flowmeter 8 and the electromagnetic flowmeter 11 are respectively connected with a controller on the control system.
Further, a positive pressure foam injection port 12 is provided on the inlet pipeline 4, and the positive pressure foam injection port 12 is used for receiving the positive pressure foam pipeline so as to perform a positive pressure foam test. And a booster pump 7 is arranged below the inlet pipeline 4 and used for simulating the working condition of coupling operation, and the booster pump 7 is connected on the inlet pipeline 4 in parallel through a pipeline.
Further, the inlet pipeline 4 is connected with the fire pump 1 through a flange, and the outlet pipeline 5 is connected with the fire pump 1 through a flange.
Further, the control device performs closed-loop control of the outlet pressure by controlling the output frequency of the frequency converter and the opening of the electric control proportional valve 9. The control device carries out PID calculation by measuring the numerical value of the electromagnetic flowmeter 11, adjusts the opening of the foam proportional valve 10 in real time and realizes the foam injection with set proportion.
Further, the control system comprises a controller, a display, a sensor and a control device, wherein the sensor comprises a flowmeter and a pressure sensor, the sensor is connected with the controller, and the display is connected with the controller and used for displaying numerical values such as flow and pressure.
The utility model aims to provide a:
(1) the test, the function upgrading test and the newly designed product performance test of the foam fire extinguishing system are facilitated, and support and help are provided for the improvement and the promotion of the performance of the foam system;
(2) the problems of time and rework caused by occupying a fire fighting truck, temporarily disassembling and replacing original truck parts when testing the foam fire extinguishing system and detecting key parts are solved;
(3) the tail gas emission generated by an engine during the test of using the fire engine is avoided, and the effects of energy conservation and emission reduction are achieved.
The working process and principle are as follows:
the control system is started to drive the engine to drive the fire pump to move, and water in the tank body flows out along the water inlet pipeline and finally enters the outlet pipeline and finally is reserved back to the tank body; or the foam in the tank body flows out along the foam pipeline, the water in the tank body flows out along the inlet pipeline, and the foam and the water are mixed and then are reserved in the tank body along the outlet pipeline.
(1) All operations of the system are completed through a control system (an operation panel), and a display and a control switch are installed on the panel. The display monitoring data includes: the water pump comprises a water pump rotating speed value, an inlet pressure value, an outlet pressure value, a foam flow value, a water flow value, a foam/outlet proportional valve opening value, various alarm information and the like.
(2) The foam control of the negative pressure ring pump can set the proportion of 1-10%, and the PLC carries out PID calculation through the numerical values measured by the water pipeline and the foam pipeline flow meter, adjusts the opening degree of the foam proportion valve in real time and realizes the foam injection with the set proportion.
(3) And flow pressure control, wherein the PLC converts a set signal into a 4-20mA signal, respectively controls the output frequency of the frequency converter and the opening of the outlet electric control ball valve, and simultaneously acquires respective feedback signals to realize closed-loop control. The working condition adjustment of the system flow of 0-40L/S and the pressure of 1-1.4MPa can be realized.
(4) And the PLC controls the coupling pressurizing motor to operate, the inlet pressure of the fire pump is increased to the required positive pressure from the negative pressure, and the pressure is not higher than the foam injection pressure when positive pressure foam is injected.
The utility model discloses an have following advantage:
(1) a frequency converter and a motor are used for replacing a chassis engine and a power takeoff to drive a fire pump;
(2) the fire extinguishing system has comprehensive functions and strong expansibility, integrates the functions of various tank fire-fighting truck fire extinguishing systems, reserves a positive pressure foam filling opening and supports a positive pressure foam test.
(3) The foam fire extinguishing system data test can be carried out without occupying a fire fighting truck, and the foam fire extinguishing system data test can also be carried out.
Although the present invention has been described with reference to the above embodiments, it is not intended to limit the present invention, and various alternatives and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (9)
1. A foam fire extinguishing system test detection platform is characterized by comprising a control system, a fire pump (1), a motor (2), a tank body (3) and a pipeline, the fire pump (1) is connected with the motor (2) through a coupler, the control system controls the motor (2) to drive the fire pump (1) to operate, the fire pump (1) is connected with the tank body (3) through a pipeline, the pipeline comprises an inlet pipeline (4), an outlet pipeline (5) and a foam pipeline (6), one end of the inlet pipeline (4) is connected with the fire pump (1), the other end is connected with the tank body (3), one end of the outlet pipeline (5) is connected with the fire pump (1), the other end is connected with the tank body (3), one end of the foam pipeline (6) is connected with the tank body (3), and the other end of the foam pipeline is connected to the inlet pipeline (4) through a Venturi tube; one end of the Venturi tube is arranged on the inlet pipeline (4), and the other end of the Venturi tube is connected with the fire pump (1) through a thin pipeline; and the pipeline is provided with a valve and a flowmeter, and the valve and the flowmeter are respectively connected with the control system.
2. The foam fire extinguishing system test detection platform according to claim 1, wherein the inlet pipeline (4) is provided with a positive pressure foam injection port (12), and the positive pressure foam injection port (12) is used for receiving a positive pressure foam pipeline so as to perform a positive pressure foam test.
3. The foam fire extinguishing system test detection platform as claimed in claim 1, wherein a booster pump (7) is arranged below the inlet pipeline (4), and the booster pump (7) is connected to the inlet pipeline (4) in parallel through a pipeline.
4. The foam fire extinguishing system test detection platform according to claim 1, wherein the valve comprises an electrically controlled proportional valve (9) and a foam proportional valve (10), the electrically controlled proportional valve (9) is disposed on the outlet pipeline (5), the foam proportional valve (10) is disposed on the foam pipeline (6), and the opening degree of the valve is controlled by the control system.
5. The foam fire extinguishing system test detection platform according to claim 1, wherein the flow meter comprises a vortex shedding flow meter (8) and an electromagnetic flow meter (11), the vortex shedding flow meter (8) is arranged on the outlet pipeline (5), and the electromagnetic flow meter (11) is arranged on the foam pipeline (6).
6. The foam fire extinguishing system test and detection platform according to claim 1, wherein the inlet pipeline (4) is connected with the fire pump (1) through a flange, and the outlet pipeline (5) is connected with the fire pump (1) through a flange.
7. The foam fire extinguishing system test detection platform according to claim 4, wherein the control device performs closed-loop control on outlet pressure by controlling the output frequency of a frequency converter and the opening degree of the electrically-controlled proportional valve (9).
8. The foam fire extinguishing system test detection platform according to claim 5, wherein the control device performs PID calculation by measuring the value of the electromagnetic flow meter (11), and adjusts the opening degree of the foam proportional valve (10) in real time to realize foam injection with a set proportion.
9. The foam fire extinguishing system test detection platform according to claim 1, wherein the control system comprises a controller, a display, a sensor and a control device, the sensor comprises a flow meter and a pressure sensor, the controller is connected with the sensor, and the display is connected with the controller and used for displaying the flow and pressure values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081042.7U CN210384676U (en) | 2019-07-11 | 2019-07-11 | Foam fire extinguishing system test detection platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081042.7U CN210384676U (en) | 2019-07-11 | 2019-07-11 | Foam fire extinguishing system test detection platform |
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| CN210384676U true CN210384676U (en) | 2020-04-24 |
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| CN201921081042.7U Active CN210384676U (en) | 2019-07-11 | 2019-07-11 | Foam fire extinguishing system test detection platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279973A (en) * | 2019-07-11 | 2019-09-27 | 北京中卓时代消防装备科技有限公司 | A kind of froth fire extinguishing system testing inspection platform |
| US20210208118A1 (en) * | 2020-01-06 | 2021-07-08 | Tianjin University Of Technology | Device for testing control of polymorphic foam on flowing fire |
-
2019
- 2019-07-11 CN CN201921081042.7U patent/CN210384676U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279973A (en) * | 2019-07-11 | 2019-09-27 | 北京中卓时代消防装备科技有限公司 | A kind of froth fire extinguishing system testing inspection platform |
| US20210208118A1 (en) * | 2020-01-06 | 2021-07-08 | Tianjin University Of Technology | Device for testing control of polymorphic foam on flowing fire |
| US11754537B2 (en) * | 2020-01-06 | 2023-09-12 | Tianjin University Of Technology | Device for testing control of polymorphic foam on flowing fire |
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