CN220322512U - Flow testing device - Google Patents
Flow testing device Download PDFInfo
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- CN220322512U CN220322512U CN202321945290.8U CN202321945290U CN220322512U CN 220322512 U CN220322512 U CN 220322512U CN 202321945290 U CN202321945290 U CN 202321945290U CN 220322512 U CN220322512 U CN 220322512U
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- 238000012360 testing method Methods 0.000 title claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 83
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 15
- 238000001514 detection method Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a flow testing device, which comprises a control cabinet, a region to be tested, a pressure buffer and a liquid storage device, and is characterized in that: the region to be tested is connected with the pressure buffer through a first pipeline; the liquid storage device is connected with the second pipeline; the utility model has the characteristics of capability of testing flow and equipment to be tested under normal pressure and under pressure, automatic calibration function, convenient use, long service life, high safety and simple structure.
Description
Technical Field
The utility model relates to the technical field of flow detection, in particular to a flow testing device.
Background
The existing flowmeter in the market has high precision but larger volume, consumes a large amount of manpower and material resources for use and installation, has low measurement precision of the flowmeter with small volume, has respective problems, and cannot meet the requirements of users on low cost, easy maintenance, high precision and comprehensive performance of detection equipment of the flow detection device, such as China patent CN210689730U, publication date of which is 5 days of 6 and 2020, and the flow detection device comprises a unit to be detected, a pressure buffer unit and a test liquid buffer unit, wherein the unit to be detected is connected with the pressure buffer unit through a first pipeline; the test liquid buffer is connected with the liquid storage unit through a third pipeline; the test liquid buffer is provided with a timing control component, a first pipeline is communicated with a third pipeline through a second pipeline, a pressure measurement unit and a pressure regulation unit are arranged on the second pipeline, a control valve is arranged on the third pipeline between a connecting port of the second pipeline and the third pipeline and a liquid storage unit, the timing control component, the control valve and the pressure measurement unit are all connected with a control and display unit, the control and display unit is used for controlling the control valve, calculating flow and displaying calculation results and received pressure information, and the scheme has the following defects: 1. the flow test device cannot be automatically calibrated, and the problem that the test result is greatly different from the actual result easily occurs, so that the test precision is affected; 2. the flow testing device can not measure the performance of the pump to be tested under normal pressure, can only test the flow of the pipeline and the performance of the pump to be tested under the pressure state, and can not comprehensively test the performance of the pump to be tested.
Disclosure of Invention
The utility model aims to provide the flow testing device which has an automatic calibration function, can more comprehensively detect the performance of liquid conveying equipment, and has the advantages of simple result, convenient operation, higher precision and low repair cost.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the flow testing device comprises a control cabinet, a region to be tested and a liquid storage device, wherein the region to be tested is connected with a pressure buffer through a first pipeline; the outer wall of the liquid storage device is provided with scales, and the liquid storage device is connected with a second pipeline; pipeline one and pipeline two pass through ordinary pressure pipeline and area pressure pipeline intercommunication, the pipeline at the district place that awaits measuring and the pipeline at stock solution device place are through two pipeline intercommunication, two test loops have been provided, can realize the performance test of the pump that awaits measuring under the condition of ordinary pressure or pressurization, the performance of treating the pump that awaits measuring has more comprehensive test, and can multiple pipelines carry out the pressure release under special circumstances, prevent testing arrangement damage, improve life, the stock solution device outer wall is equipped with the scale, compare how much volume of liquid is between low liquid level to high liquid level with the numerical value that establishes just, can calibrate measuring device, improve the test accuracy.
Preferably, a ball valve II is arranged on the normal pressure pipeline; the liquid storage device is provided with a high liquid level switch and a low liquid level switch; the high liquid level switch and the low liquid level switch are connected with the control cabinet, the ball valve II is used for switching on and off a normal pressure test passage, the high liquid level switch and the low liquid level switch are mainly used for measuring how much time is used for liquid to rise from a low liquid level to a high liquid level, then the volume of the liquid which is directly from the low liquid level to the high liquid level is divided by the used time, flow data can be automatically measured, the data are displayed to the control cabinet, and the measurement is convenient and quick.
Preferably, the pressure buffer is connected with a buffer pressure gauge, the pressure buffer is used for buffering pressure, the pressure in the pipeline is in a stable state, and the buffer pressure gauge can display the pressure in the buffer in real time.
Preferably, a back pressure valve and a ball valve I are arranged on the pressurized pipeline; the first ball valve is connected with a pipeline pressure gauge, the back pressure valve is used for switching on and off a pressurized test passage, the first ball valve is used for adjusting the pressure in the pressurized pipeline, and the pipeline pressure gauge displays the pressure in the pressurized pipeline in real time.
Preferably, the second pipeline is provided with an electromagnetic valve; the electromagnetic valve is connected with the control cabinet; the electromagnetic valve is arranged below the liquid storage device, and is used for controlling the electromagnetic valve to be opened by the control cabinet when the liquid level of the liquid storage device is higher than a high liquid level switch, so that liquid in the liquid storage device is released from the lower part, and safety accidents caused by liquid overflow are prevented.
Preferably, the to-be-measured area is used for installing the to-be-measured device, the to-be-measured device is connected with the control cabinet, and the switch of the to-be-measured device in the to-be-measured area can be controlled through the control cabinet to perform remote control or full-automatic control, so that the device is very convenient and quick, and labor is saved.
Preferably, one end of the pipe is inserted into the liquid pool, and the liquid in the liquid pool flows into the liquid storage device through the first pipe.
Preferably, the two ends of the pipeline are inserted into the liquid pool, and the liquid is directly discharged into the liquid pool when the liquid is released, so that the problem of treating the extracted liquid is solved.
Preferably, the control cabinet comprises a control unit, a liquid crystal display and a manual testing key, the control cabinet is used for controlling a device or a pipeline to be tested and the switches of some valves, the tested channels can be selected, the result can be measured only by setting parameters, the control cabinet is very convenient and fast, and the labor is saved.
The beneficial effects of the utility model are as follows: (1) The performance or flow rate of the device to be tested can be tested in a pressurized state and a normal pressure state, the performance of the device to be tested can be tested more comprehensively, and a plurality of pipelines can be used for pressure relief under the unexpected condition, so that the device is prevented from being damaged, and the service life is prolonged; (2) The liquid storage device is provided with scales, the actual test value and the system test value can be compared to calibrate parameters set by the system, and the dual measurement improves the measurement precision.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure: 1-a liquid storage device; 2-high level switch; 3-low level switch; 4-an electromagnetic valve; 5-a liquid pool; 6-a back pressure valve; 7-ball valve I; 8-a pipeline pressure gauge; 9, a control cabinet; 10-a buffer pressure gauge; 11-a buffer; 12-a ball valve II; 13-a region to be measured; 14-first pipeline; 15-a second pipeline; 16-normal pressure pipeline; 17-a pipeline with pressure.
Description of the embodiments
The following describes a specific embodiment of the technical scheme of the present utility model by way of examples and with reference to the accompanying drawings.
Example 1
0018. Referring to fig. 1, in an embodiment 1 of the present utility model, a flow testing device includes a to-be-tested area 13, a pressure buffer 11 and a liquid storage device 1, wherein the to-be-tested area 13 and the pressure buffer 11 are connected through a first pipeline 14, the to-be-tested area 13 may be a pump to be tested or a pipeline to be tested, the to-be-tested area 13 is controlled by a control cabinet 9, and a control unit and a manual testing key are arranged on the control cabinet 9 to control the on-off and testing of the to-be-tested device; the liquid storage device 1 is connected with a second pipeline 15, in this embodiment, the liquid storage device 1 adopts a flow calibration column, the outer wall of the liquid storage device is provided with scales in a transparent way, and a high liquid level switch 2 and a low liquid level switch 3 are arranged in the liquid storage device, the two switches are used for measuring the time for the liquid to rise from the low liquid level to the high liquid level, and then the liquid volume between the two liquid levels arranged by the system is divided by the measured time to calculate the flow and the flow is displayed on a liquid crystal display on the control cabinet 9; during measurement, the back pressure valve 6 and the ball valve 12 are controlled to be switched on and off to selectively perform the pressure test or the normal pressure test, the ball valve 12 is closed, the back pressure valve 6 and the ball valve 7 are opened, the pressure in the pressure pipeline 17 is regulated through the ball valve 7, the device 13 to be measured is a metering pump in the embodiment, the metering pump is connected into the pipeline 14, a manual test button on the control cabinet 9 is pressed, the metering pump works, liquid is pumped into the pipeline from the liquid tank 5 through the tail end of the pipeline 14, the liquid enters the flow calibration column through the pressure pipeline and the pipeline II, when the liquid level reaches the position of the low liquid level switch 3, the control unit in the control cabinet 9 starts timing, when the liquid level reaches the position of the high liquid level switch 2, the control unit in the control cabinet 9 stops timing, the fixed volume data is stored in the system, the flow can be obtained only by dividing the volume data by the measurement time, the scale is arranged on the outer wall of the flow calibration column, the automatic measurement can also be measured in a manual scale reading mode, the data between the two can be compared, the intelligent measurement performance and the dual measurement accuracy can be improved, and the dual measurement accuracy can be realized; when normal pressure test is selected, the ball valve II 12 is opened, the back pressure valve 6 and the ball valve I7 are closed, liquid enters the flow calibration column through the normal pressure pipeline 16 and the pipeline II 15, and the flow measurement process under the state of pressure is repeated, so that the flow measurement under the state of normal pressure is realized; when the liquid in the flow calibration column is excessive, after stopping timing, the control cabinet 9 controls the electromagnetic valve 4 arranged on the pipeline II 15 and in a normally closed state to be opened, and the liquid flows into the liquid pool 5 through the tail end of the pipeline II 15, so that the safety accident caused by liquid overflow is prevented; when the liquid level is lower than the liquid level of the low level switch 3, the control cabinet 9 controls the electromagnetic valve 4 to be closed so as to prepare for the next measurement and test.
In summary, this embodiment provides a flow measurement and the performance test of device to be tested under the condition that can carry out ordinary pressure and area under the condition of pressing respectively, and the performance test of device to be tested is more comprehensive to have the automatic calibration function, measurement accuracy is higher and has multiple channels to carry out the pressure release under the unexpected condition, and the safety in utilization is strong, uses repair and debugging convenience, simple structure.
In addition to the above embodiments, the technical features or technical data of the present utility model may be rearranged and combined within the scope of the claims and the description of the present utility model to constitute new embodiments, which may be implemented without inventive effort by those skilled in the art, and thus, embodiments of the present utility model not described in detail should be considered as embodiments of the present utility model within the scope of the protection of the present utility model.
Claims (9)
1. The utility model provides a flow testing arrangement for measure the flow of carrying liquid equipment, includes switch board (9), await measuring regional (13), pressure buffer (11) and reservoir (1), its characterized in that:
the region to be tested (13) is connected with the pressure buffer (11) through a first pipeline (14);
the liquid storage device (1) is connected with a second pipeline (15);
the first pipeline (14) and the second pipeline (15) are communicated through an atmospheric pipeline (16) and a pressurized pipeline (17).
2. A flow testing device according to claim 1, wherein:
a ball valve II (12) is arranged on the normal pressure pipeline (16);
the outer wall of the liquid storage device (1) is provided with scales, and the liquid storage device (1) is provided with a high liquid level switch (2) and a low liquid level switch (3);
the high liquid level switch (2) and the low liquid level switch (3) are connected with a control cabinet (9).
3. A flow testing device according to claim 1, wherein:
the pressure buffer (11) is connected with a buffer pressure gauge (10).
4. A flow testing device according to claim 1, wherein:
the pressure pipeline (17) is provided with a back pressure valve (6) and a ball valve I (7);
the first ball valve (7) is connected with a pipeline pressure gauge (8).
5. A flow testing device according to claim 1, wherein:
an electromagnetic valve (4) is arranged on the second pipeline (15);
the electromagnetic valve (4) is connected with the control cabinet (9);
the electromagnetic valve (4) is arranged below the liquid storage device (1).
6. A flow testing device according to claim 1, wherein:
the to-be-tested area (13) is used for installing a to-be-tested device, and the to-be-tested device is connected with the control cabinet (9).
7. A flow testing device according to claim 1, wherein:
the end of the first pipeline (14) is inserted into the liquid pool (5).
8. A flow testing device according to claim 1 or 5, characterized in that:
the tail end of the second pipeline (15) is inserted into the liquid pool (5).
9. A flow testing device according to claim 1 or 2 or 5 or 6, wherein:
the control cabinet (9) comprises a control unit, a liquid crystal display and a manual testing key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945290.8U CN220322512U (en) | 2023-07-24 | 2023-07-24 | Flow testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945290.8U CN220322512U (en) | 2023-07-24 | 2023-07-24 | Flow testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220322512U true CN220322512U (en) | 2024-01-09 |
Family
ID=89424610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321945290.8U Active CN220322512U (en) | 2023-07-24 | 2023-07-24 | Flow testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220322512U (en) |
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2023
- 2023-07-24 CN CN202321945290.8U patent/CN220322512U/en active Active
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