CN206330744U - A kind of pressure-drop in pipeline experimental rig - Google Patents
A kind of pressure-drop in pipeline experimental rig Download PDFInfo
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- CN206330744U CN206330744U CN201720012594.7U CN201720012594U CN206330744U CN 206330744 U CN206330744 U CN 206330744U CN 201720012594 U CN201720012594 U CN 201720012594U CN 206330744 U CN206330744 U CN 206330744U
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- pipeline
- pressure
- drop
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- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 10
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of pressure-drop in pipeline experimental rig, including equipped with liquid medium and the thermostatic medium groove of liquid medium steady temperature can be provided, the thermostatic medium groove is connected by the first pipeline with the plunger pump inlet that actuating unit drives, the outlet of plunger pump passes through the second pipeline and the inlet communication of tested pipeline sample, first flow sensor and first pressure sensor are installed on second pipeline, the outlet of the tested pipeline sample is connected by the 3rd pipeline with thermostatic medium groove, second flow sensor and second pressure sensor are installed on tested pipeline sample export end on 3rd pipeline.A kind of pressure-drop in pipeline experimental rig of the utility model is simple in construction, easy to operate, can meet the fluid-pressure drop test in a variety of condition auto parts and components pipelines, and quickly can carry out internal pressure drops detection to a variety of auto parts and components pipelines.
Description
Technical field
The utility model is related to auto parts and components detection technique field, espespecially a kind of pressure-drop in pipeline experimental rig.
Background technology
Automobile pipeline detection is the important component of vehicle fatigue detecting, with the raising of national economy level, to going out
Capable safely, quickly and comfortably requires more and more higher, the detection requirement also corresponding raising to vehicle pipeline and parts.
Existing automobile pipeline pressure drop test bed testing ability is relatively simple, is embodied in the following aspects：
1st, flow is immutable, when pressure change, traffic-affecting, controls comparatively laborious；
2nd, sample frequency can only obtain the numerical value of stable state, usually not instantaneous data than relatively low；
3rd, flow and pressure limit are limited, it is impossible to meet harsher experimental condition.
Utility model content
The purpose of this utility model is to provide a kind of pressure-drop in pipeline experimental rig, and its is simple in construction, easy to operate, can be full
Fluid-pressure drop test in a variety of condition auto parts and components pipelines of foot, and quickly a variety of auto parts and components pipelines can be carried out internal
Voltage drop detection.
To achieve these goals, technical solution of the present utility model is：A kind of pressure-drop in pipeline experimental rig, wherein
Including that equipped with liquid medium and can provide the thermostatic medium groove of liquid medium steady temperature, the thermostatic medium groove passes through the first pipe
The plunger pump inlet that road drives with actuating unit is connected, and the outlet of plunger pump is entered by the second pipeline and tested pipeline sample
First flow sensor and first pressure sensor are installed on mouth connection, second pipeline, the tested pipeline sample
Outlet is connected by the 3rd pipeline with thermostatic medium groove, is provided with the 3rd pipeline on tested pipeline sample export end
Second flow sensor and second pressure sensor.
A kind of pressure-drop in pipeline experimental rig of the utility model, wherein the actuating unit is variable-frequency motor, the plunger pump
It is connected with variable-frequency motor.
A kind of pressure-drop in pipeline experimental rig of the utility model, wherein the first flow sensor, first pressure sensor,
Second flow sensor and second pressure sensor are connected by data wire with data collecting instrument.
A kind of pressure-drop in pipeline experimental rig of the utility model, wherein being additionally provided with ball valve on the 3rd pipeline.
After such scheme, a kind of pressure-drop in pipeline experimental rig of the utility model is by said structure design, and it is used
Plunger pump drives plunger pump as power source with variable-frequency motor, the liquid medium that plunger pump every revolution is discharged be it is certain,
Thus make liquid medium flow rate easily controllable, and plunger pump can produce larger pressure, can reach 31.5MPa, can be full
The various experimental conditions of foot, drive plunger pump by adjusting variable-frequency motor, realize program to flow controllable；Driven by variable-frequency motor
Dynamic plunger pump extracts the liquid medium being located in thermostatic medium groove of experiment out, during arrival end by being tested pipeline sample by
First flow sensor and first pressure sensor detect to the flow and pressure of liquid medium, when liquid medium is from tested
When being flowed out in pipeline sample, by being tested the second flow sensor and second pressure sensor at pipeline sample export end again to liquid
Medium carries out flow and pressure and detected, and first flow sensor, first pressure sensor, second flow sensor and the
The data of two pressure sensors detection are sent in data collecting instrument, so as to easily detect the inside of tested pipeline sample
Pressure drop, its is simple in construction, easy to operate, it is adaptable to the internal pressure drops detection of a variety of auto parts and components pipelines；And from tested pipeline
The liquid medium flowed out in sample is returned to thermostatic medium groove by the 3rd pipeline, and for detection next time, it, which can be repeated several times, makes
With.
Brief description of the drawings
Fig. 1 is a kind of structural representation of pressure-drop in pipeline experimental rig of the utility model.
Below in conjunction with the accompanying drawings, the utility model is described further by embodiment；
Embodiment
As shown in figure 1, a kind of pressure-drop in pipeline experimental rig of the utility model includes equipped with liquid medium and can provide liquid
The thermostatic medium groove 1 of medium steady temperature, the import of plunger pump 3 that thermostatic medium groove 1 is driven by the first pipeline 2 with actuating unit
Connection, this embodiment actuating unit is variable-frequency motor 4, and variable-frequency motor 4 is connected with plunger pump 3, and the outlet of plunger pump 3 passes through second
First flow sensor 7 and first pressure sensing are installed on the inlet communication of pipeline 5 and tested pipeline sample 6, the second pipeline 5
Device 8, the outlet of tested pipeline sample 6 is connected by the 3rd pipeline 9 with thermostatic medium groove 1, close to tested pipeline on the 3rd pipeline 9
Second flow sensor 10 and second pressure sensor 11 are installed on the port of export of sample 6.Ball is additionally provided with 3rd pipeline
Valve 12, first flow sensor 7, first pressure sensor 8, second flow sensor 10 and second pressure sensor 11 pass through
Data wire is connected with data collecting instrument 13.First flow sensor 7, first pressure sensor 8, second flow are passed in this embodiment
The sample frequency of sensor 10, second pressure sensor 11 and data collecting instrument 13 can be as accurate as ms, can meet transient data
Collection, simulate actual condition, reach test objective, big flow, the harsh experimental condition of big pressure can be achieved, sample rate is high,
Instantaneous pressure value can be read, ms is accurate to；Flow can realize programme-control by variable-frequency motor 4, such as increase steadily in 1 minute
0-100 liters/min is grown to, or 1 second instantaneously reaches 0-100 liters/min.
A kind of pressure-drop in pipeline experimental rig of the utility model is by the structure design of above-described embodiment, and it uses plunger pump 3
As power source, plunger pump 3 is driven with variable-frequency motor 4, the liquid medium that the every revolution of plunger pump 3 is discharged be it is certain, this
Sample just makes liquid medium flow rate easily controllable, and plunger pump 3 can produce larger pressure, can reach 31.5MPa, can meet
Various experimental conditions, drive plunger pump 3 by adjusting variable-frequency motor 4, realize program to flow controllable；Pass through variable-frequency motor 4
Plunger pump 3 is driven to extract the liquid medium being located in thermostatic medium groove 1 of experiment out, by the entrance for being tested pipeline sample 6
The flow and pressure of liquid medium are detected by first flow sensor 7 and first pressure sensor 8 during end, when liquid is situated between
When matter flows out from tested pipeline sample 6, passed by the second flow sensor 10 and second pressure that are tested the port of export of pipeline sample 6
Sensor 11 carries out flow and pressure to liquid medium again and detected, and first flow sensor 7, first pressure sensor 8, the
The data that two flow sensors 10 and second pressure sensor 11 are detected are sent in data collecting instrument 13, so as to easily examine
Measure the internal pressure drops of tested pipeline sample 6, its is simple in construction, easy to operate, it is adaptable to a variety of auto parts and components pipelines it is interior
Portion's voltage drop detection；And the liquid medium flowed out from tested pipeline sample 6 is returned to thermostatic medium groove 1 by the 3rd pipeline 9, use
In detection next time, it, which can be repeated several times, uses.
Embodiment described above is only that preferred embodiment of the present utility model is described, not new to this practicality
The scope of type is defined, on the premise of the utility model design spirit is not departed from, this area ordinary skill technical staff couple
Various modifications and improvement that the technical solution of the utility model is made, all should fall into what claims of the present utility model were determined
In protection domain.
Claims (4)
1. a kind of pressure-drop in pipeline experimental rig, it is characterised in that including equipped with liquid medium and liquid medium constant temperature can be provided
The thermostatic medium groove of degree, the thermostatic medium groove is connected by the first pipeline with the plunger pump inlet that actuating unit drives, described
Outlet of plunger pump is provided with first flow biography by the inlet communication of the second pipeline and tested pipeline sample on second pipeline
Sensor and first pressure sensor, the outlet of the tested pipeline sample are connected by the 3rd pipeline with thermostatic medium groove, described
Second flow sensor and second pressure sensor are installed on tested pipeline sample export end on 3rd pipeline.
2. a kind of pressure-drop in pipeline experimental rig as claimed in claim 1, it is characterised in that the actuating unit is variable-frequency electric
Machine, the plunger pump is connected with variable-frequency motor.
3. a kind of pressure-drop in pipeline experimental rig as claimed in claim 1 or 2, it is characterised in that the first flow sensor,
First pressure sensor, second flow sensor and second pressure sensor are connected by data wire with data collecting instrument.
4. a kind of pressure-drop in pipeline experimental rig as claimed in claim 3, it is characterised in that be additionally provided with the 3rd pipeline
Ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012594.7U CN206330744U (en) | 2017-01-06 | 2017-01-06 | A kind of pressure-drop in pipeline experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720012594.7U CN206330744U (en) | 2017-01-06 | 2017-01-06 | A kind of pressure-drop in pipeline experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206330744U true CN206330744U (en) | 2017-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720012594.7U Expired - Fee Related CN206330744U (en) | 2017-01-06 | 2017-01-06 | A kind of pressure-drop in pipeline experimental rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206330744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982090A (en) * | 2018-08-13 | 2018-12-11 | 江苏大学镇江流体工程装备技术研究院 | A kind of pressure loss test macro and its test method |
-
2017
- 2017-01-06 CN CN201720012594.7U patent/CN206330744U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108982090A (en) * | 2018-08-13 | 2018-12-11 | 江苏大学镇江流体工程装备技术研究院 | A kind of pressure loss test macro and its test method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 |