CN106568574A - Hydraulic friction loss automatic testing device for water flow indicator for fire extinguishing system - Google Patents
Hydraulic friction loss automatic testing device for water flow indicator for fire extinguishing system Download PDFInfo
- Publication number
- CN106568574A CN106568574A CN201610993790.7A CN201610993790A CN106568574A CN 106568574 A CN106568574 A CN 106568574A CN 201610993790 A CN201610993790 A CN 201610993790A CN 106568574 A CN106568574 A CN 106568574A
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- CN
- China
- Prior art keywords
- tube
- water flow
- booster pump
- water
- flow indicator
- Prior art date
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to a hydraulic friction loss automatic testing device for a water flow indicator for a fire extinguishing system. The device comprises a circulating impounding reservoir, a water outlet valve of the circulating impounding reservoir is connected to a water inlet of a booster pump through a connecting pipe and a solenoid valve I, a pressure sensor is arranged on the booster pump, a water outlet of the booster pump is connected to a tee joint through a solenoid valve II, a connecting pipe, a solenoid valve III and a vertical pipe, a pipeline is divided into two branches through the tee joint, the water flow indicator is mounted in the middle of a straight pipe I of one branch, and a straight pipe II of the other branch is provided with no water flow indicator. Control lines of the solenoid valves, the pressure sensor, an electric flow regulator and the booster pump are all connected with a display PLC. According to the device, human interference factors are eliminated, detecting quality and efficiency are improved, and detecting automation is achieved.
Description
Technical field
The present invention relates to Product checking technical field, more particularly to a kind of fire extinguishing system water flow indicator flow resistance damage
Lose automatic test equipment.
Background technology
Now the test to the loss of fire-fighting fire extinguishing system water stream indicator flow resistance is completed using artificial operational control
, artificial unloading's water flow indicator such as being had in detection process and straight length is installed, these artificial operations not only affect
Detection quality and efficiency there is also artificial disturbance factor sometimes.Now also artificial unloading's water is not needed in detection process without one kind
Stream indicator and installation straight length can be automatically performed the device that test is lost to water flow indicator flow resistance, and this is devised
A kind of fire extinguishing system loses automatic test equipment with water flow indicator flow resistance.
The present invention employs the following technical solutions a kind of fire extinguishing system water flow indicator flow resistance loss from dynamic test dress
Put by：Water flow indicator sample installation pipeline, replacement water flow indicator compare pipeline, piping flow and adjust part, support, supercharging
Pump, water circulation part, show that PLC control units grade composition.
The content of the invention
The present invention for above-mentioned prior art exist weak point, spy provide a kind of water flow indicator time delay and
Duty cycle performance automatic testing equipment, method.
Technical scheme is as follows：
A kind of fire extinguishing system loses automatic test equipment with water flow indicator flow resistance, includes circulation cistern, and circulation stores
The flowing water Valve in pond is connected to the water inlet of booster pump by connecting tube, magnetic valve I, and booster pump is provided with pressure sensor,
The delivery port Jing magnetic valves II, connecting tube of the booster pump, magnetic valve III, vertical tube are connected to threeway, and threeway is divided into pipeline
Two branch roads, two branch roads respectively the horizontal short tubes of Jing, elbow, horizontal tube, electric flow control valve, short tube, pipe connect, level it is straight
Manage, pipe connects, straight tube, pipe connect, horizontal straight tube, pipe connect, short tube, electric flow control valve, horizontal tube, elbow, outlet pipe are to circulation
Pond, is equipped with pressure sensor on the horizontal straight tube, wherein the straight tube middle part of a branch road is equipped with water flow indicator；Each electromagnetism
Valve, pressure sensor, electric flow adjuster, the control line of booster pump are connected with display PLC.
The beneficial effects of the present invention is：It eliminates artificial disturbance factor, improves detection quality and efficiency, realizes inspection
Survey automation.
Description of the drawings
Below in conjunction with the accompanying drawings the present invention is described further：
Fig. 1 is the front view of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the A-A sectional views of the present invention；
In figure：1 ground, 2 circulation cisterns, 3 flowing water Valves, 4 connecting tubes I, 5 magnetic valves I, 6 booster pumps, 7 pressure sensors, 8
Magnetic valve II, 9 vertical tubes, 10 horizontal tubes, 11 electric flow control valves, 12 pipes connect, 13 horizontal straight tubes, 14 pressure sensors, and 15
Pipe connects, 16 water flow indicators, 17 straight tubes I, 18 elbows, and 19 show PLC, 20 outlet pipes, 21 connecting tubes II, 22 magnetic valves
III, 23 threeways, 24 straight tubes II, 25 supports, 26 lids, 27 recirculated waters, 28 horizontal short tubes, 29 short tubes.
Specific embodiment
Accompanying drawing is a kind of specific embodiment of the present invention.
As shown in 1～Fig. 3 of accompanying drawing, the embodiment is that circulation cistern 2 is placed on ground 1, under circulating the side of cistern 2
Portion is provided with flowing water Valve 3, and adapter I 4 in succession of flowing water Valve 3, another termination magnetic valve I 5 of connecting tube 4, magnetic valve I 5 is supercharging
The water inlet of pump 6, booster pump 6 be provided with pressure sensor 7 and water outlet at magnetic valve II 8, adapter II 21 in succession of magnetic valve 8,
Another termination magnetic valve III 22 of connecting tube II, the water outlet termination vertical tube 9 of magnetic valve III, on vertical tube 9 threeway is terminated with
23, the flat short tube 28 of each water receiving in the both sides of threeway 23 respectively connects elbow 18 in the other end of horizontal short tube 28, and elbow 18 connects horizontal tube 10, water
Another termination electric flow control valve 11 of flat pipe 10, electric flow control valve 11 water outlet termination short tube 29, short tube it is another
End connecting leg connects 12, and pipe connects 12 company's horizontal straight tubes 13, pressure sensor 14 is housed on horizontal straight tube 13, in the another of horizontal straight tube 13
One end is connected with pipe and connects 15, and pipe connects 15 straight tubes I 17 for even installing water flow indicator, and water flow indicator 16 is housed at the middle part of straight tube I,
To horizontal tube 10 centered on water flow indicator 16, the both sides pipeline component of water flow indicator 16 is arranged symmetrically, the lower end of elbow 18
Connected water outlet pipe 20.Straight tube II 24 is removed with the pipeline component side by side of water flow indicator 16（The measurement in advance of straight tube II is in 4.5 m/s streams
The lower flow resistance loss Δ P0 of speed）The all sames such as the outer remaining part line size of water flow indicator, each magnetic valve, pressure are not installed
The control such as sensor, electric flow adjuster, booster pump line is connected with display PLC 19.
Using method：It is programmed to showing PLC 19 first, water flow indicator sample 16 is arranged on into straight tube I
On 17, press the detection start button for showing PLC 19, booster pump 6 works, magnetic valve 5,8,22, open, electric flow
Regulating valve 30 is closed.Water 27 is entered in the pipeline of water flow indicator sample 16 Jing after the supercharging of booster pump 6, and pressure sensor 14 is to PLC
Controller 19 provides pressure data, and electric flow control valve 11 is according to the programming of PLC 19 by the water flow velocity control in pipeline
In 4.5 m/s, PLC 19 is respectively picked up by oneself system according to the pressure sensor 14 on the both sides of water flow indicator sample 16 under this flow velocity
For pressure obtain pressure difference Δ P1.Hereafter show that the instruction electric flow control valve 11 of PLC 19 is closed, open electronic stream
Adjustable valve 30, regulating valve 30 controls water flow velocity in 4.5 m/s, and PLC 19 is according to the both sides of straight tube 24 under this flow velocity
The pressure that each provides of pressure sensor 31 obtain pressure difference Δ P2, PLC 19 is automatic according to known and data measured
The flow resistance loss Δ P=Δ P1- Δ P2+ Δs P0 wherein Δ P0 for calculating water flow indicator sample 16 are datum（Δ P0 is
Straight tube 24 measures in advance the flow resistance loss under 4.5 m/s flow velocitys）, the PLC if flow resistance loss Δ P is higher than setting
Controller 19 shows that the flow resistance of water flow indicator 16 loss is unqualified automatically.Be verified booster pump 6 close, each electromagnetism
Valve, electric flow control valve are in opening, and water 27 is flowed in circulation cistern 2.The device eliminates artificial disturbance factor,
Detection quality and efficiency are improved, detection automation is realized.
Claims (1)
1. a kind of fire extinguishing system loses automatic test equipment with water flow indicator flow resistance, includes circulation cistern（2）, institute
State the flowing water Valve of circulation cistern（3）By connecting tube（4）, magnetic valve I（5）It is connected to booster pump（6）Water inlet, it is described
Booster pump is provided with pressure sensor（7）, the delivery port Jing magnetic valves II of the booster pump（8）, connecting tube（21）, magnetic valve III
（22）, vertical tube（9）It is connected to threeway（23）, pipeline is divided into two branch roads by the threeway, and two branch road difference Jing levels are short
Pipe（28）, elbow（18）, horizontal tube（10）, electric flow control valve（11）, short tube（29）, pipe connects（12）, horizontal straight tube（13）、
Pipe connects（15）, straight tube（17）, pipe connects（15）, horizontal straight tube（13）, pipe connects（12）, short tube（29）, electric flow control valve（11）、
Horizontal tube（10）, elbow（18）, outlet pipe（20）To circulating water pool, pressure sensor is housed on the horizontal straight tube（14）, its
In the straight tube middle part of branch road water flow indicator is housed（16）；Each magnetic valve, pressure sensor, electric flow adjuster, increasing
The control line of press pump with show PLC（19）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993790.7A CN106568574A (en) | 2016-11-11 | 2016-11-11 | Hydraulic friction loss automatic testing device for water flow indicator for fire extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993790.7A CN106568574A (en) | 2016-11-11 | 2016-11-11 | Hydraulic friction loss automatic testing device for water flow indicator for fire extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106568574A true CN106568574A (en) | 2017-04-19 |
Family
ID=58541746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610993790.7A Pending CN106568574A (en) | 2016-11-11 | 2016-11-11 | Hydraulic friction loss automatic testing device for water flow indicator for fire extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106568574A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2847268Y (en) * | 2005-11-29 | 2006-12-13 | 扬州大学 | Pipeline characteristic complex test instrument |
| CN105699062A (en) * | 2016-02-22 | 2016-06-22 | 合肥通用机械研究院 | Flow resistance test system of valve flow and method for performing little micro flow test by using the same |
| CN205352677U (en) * | 2016-01-04 | 2016-06-29 | 上海市特种设备监督检验技术研究院 | Valve flow flow resistance test device |
-
2016
- 2016-11-11 CN CN201610993790.7A patent/CN106568574A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2847268Y (en) * | 2005-11-29 | 2006-12-13 | 扬州大学 | Pipeline characteristic complex test instrument |
| CN205352677U (en) * | 2016-01-04 | 2016-06-29 | 上海市特种设备监督检验技术研究院 | Valve flow flow resistance test device |
| CN105699062A (en) * | 2016-02-22 | 2016-06-22 | 合肥通用机械研究院 | Flow resistance test system of valve flow and method for performing little micro flow test by using the same |
Non-Patent Citations (1)
| Title |
|---|
| 中华人民共和国国家质量监督检验检疫总局: "《GB 5135.7-2003 自动喷水灭火*** 第7部分 水流指示器》", 8 October 2003 * |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170419 |