CN213658030U - Liquid flow test calibration device - Google Patents
Liquid flow test calibration device Download PDFInfo
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- CN213658030U CN213658030U CN202022815138.0U CN202022815138U CN213658030U CN 213658030 U CN213658030 U CN 213658030U CN 202022815138 U CN202022815138 U CN 202022815138U CN 213658030 U CN213658030 U CN 213658030U
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- calibration device
- liquid flow
- test calibration
- flow test
- electromagnetic valve
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- 238000012360 testing method Methods 0.000 title claims abstract description 79
- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 238000005303 weighing Methods 0.000 claims abstract description 21
- 238000011084 recovery Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 9
- 239000012535 impurity Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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Abstract
The utility model relates to an aviation gas turbine liquid flow test technical field especially relates to a liquid flow test calibration device, including timing relay, two three way solenoid valves and the collector of weighing, be connected with timing relay and set up two three way solenoid valves, two three way solenoid valves are connected with the collector of weighing through its second oil-out, still are equipped with the oil inlet on two three way solenoid valves, are equipped with a pressure gauge in two three way solenoid valves's oil inlet department, and test calibration device still is equipped with a singlechip that is used for collecting time signal, pressure signal and the signal of weighing. The liquid flow test calibration device is convenient to carry, is suitable for quickly calibrating flow under the condition of an external field, is simple to operate and accurate in measurement, and the precision of test equipment is not interfered by liquid; the stop valve can be further expanded for use, the stop valve can be in an access state in the whole testing process, and external equipment is used for collecting and weighing liquid, so that the testing time can be greatly prolonged, and the measuring precision can be further provided at the moment.
Description
Technical Field
The utility model relates to an aviation gas turbine liquid flow test technical field especially relates to a liquid flow test calibration device.
Background
The fuel supply flow of the aviation gas turbine, which is a heat engine taking air and gas as working media, is a crucial performance parameter for the combustion performance, work efficiency, flight endurance and the like of the whole heat engine. The traditional flow test adopts a turbine and vortex street flow measurement mode, but the flow test is finally inaccurate due to the reasons of fine impurities in the fluid, fluid impact, abrasion of a rotating part and the like after long-time use, so that the liquid flow test needs to be calibrated irregularly to ensure that correct flow reference data is obtained.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to above-mentioned traditional flow test exists provides a liquid flow test calibration device, and this liquid flow test calibration device has solved traditional flow test and has adopted turbine, vortex street flow measurement mode, nevertheless uses the back for a long time because slight impurity in the fluid, fluid impact, rotate reasons such as piece wearing and tearing finally lead to the technological problem that the flow test is out of alignment.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the liquid flow test calibration device comprises: the device comprises a timing relay, a two-position three-way electromagnetic valve and a weighing collector, wherein the timing relay is connected with the two-position three-way electromagnetic valve, the two-position three-way electromagnetic valve is connected with the weighing collector through a second oil outlet of the two-position three-way electromagnetic valve, an oil inlet is further formed in the two-position three-way electromagnetic valve, a pressure gauge is arranged at the oil inlet of the two-position three-way electromagnetic valve, and the test calibration device is further provided with a single chip microcomputer used for collecting time signals, pressure signals and.
Preferably, the liquid flow test calibration device further comprises a power supply system, and the power supply system is used for supplying power to the timing relay, the single chip microcomputer and the weighing collector.
Preferably, the power supply system is provided as a rechargeable battery pack.
Preferably, the two-position three-way solenoid valve is also provided with a first oil outlet.
Preferably, a third oil outlet is arranged on the weighing collector.
Preferably, a cut-off electromagnetic valve is arranged at the third oil outlet.
Preferably, the first oil outlet and the third oil outlet are connected to form a liquid recovery container.
Preferably, the liquid flow testing and calibrating device is integrally integrated into a portable testing box body.
Preferably, the portable test box body is provided with a control panel which comprises a power switch, a charging interface, a test start-stop button, a time setting button and a stop valve switch.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a liquid flow test calibration device is a simple and easy flow test calibration method, and portable is applicable to the quick calibration of flow under the outfield condition for detect and mark the liquid flow in the pipeline anytime and anywhere, easy operation, measurement accuracy.
2. The utility model provides a liquid flow test calibration device simple structure can make and integrate for portable test box, can realize automatic flow measurement, adopts the automatic timing to measure, and measurement accuracy is high, and the test equipment precision does not receive the liquid interference.
3. The utility model provides a liquid flow test calibration device can further expand the use, can make the whole access state that is in of stop valve test, uses external equipment to carry out liquid collection and weigh, consequently can prolong test time a large amount of, and measurement accuracy can further provide this moment, and this liquid flow test calibration device adopts chargeable call group to supply power, can avoid the restriction of on-the-spot circuit supply.
Drawings
Fig. 1 is a schematic view of a connection structure of a liquid flow testing and calibrating device provided by an embodiment of the utility model.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "inner", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to describe the liquid flow test calibration device provided by the embodiments of the present invention in more detail, the following description will be made with reference to specific embodiments.
Example 1
As shown in fig. 1, the present embodiment provides a calibration apparatus for testing liquid flow, including: the device comprises a timing relay, a two-position three-way electromagnetic valve and a weighing collector, wherein the timing relay is connected with the two-position three-way electromagnetic valve, the two-position three-way electromagnetic valve is connected with the weighing collector through a second oil outlet of the two-position three-way electromagnetic valve, an oil inlet is further formed in the two-position three-way electromagnetic valve, a pressure gauge is arranged at the oil inlet of the two-position three-way electromagnetic valve, and the test calibration device is further provided with a single chip microcomputer used for collecting time signals, pressure signals and.
The liquid flow test calibration device further comprises a power supply system, the power supply system is used for supplying power to the timing relay, the single chip microcomputer and the weighing collector, the power supply system is arranged to be a rechargeable battery pack, the two-position three-way electromagnetic valve is also provided with a first oil outlet, the weighing collector is provided with a third oil outlet, a stop electromagnetic valve is arranged at the third oil outlet, and the first oil outlet and the third oil outlet are connected and provided with a liquid recovery container.
The liquid flow test calibration device that this embodiment provided is integrated as portable test box wholly, portable test box set up the control panel who includes switch, the interface that charges, test start-stop button, time setting button, cut-off valve switch.
The liquid flow test calibration device provided by the embodiment is used for detecting and calibrating the liquid flow in a pipeline at any time and any place, is simple to operate and accurate in measurement, and mainly comprises a power supply, a test module and a timing module.
The specific process when the liquid flow test calibration device provided by the embodiment is used for testing is as follows:
firstly, a power switch is turned on, so that a timing relay, a single chip microcomputer and a weighing collector are electrified to enter a measuring state;
the operating time of the timing relay is set to be 1-9999s by rotating a time setting button;
opening a stop valve switch, conducting the stop valve, and closing the stop valve after determining that no liquid flows out of the third oil outlet;
communicating the oil inlet with an outlet of a test pipeline, and communicating the first oil outlet and the third oil outlet with a liquid recovery container;
enabling the fluid at the oil inlet to enter a two-position three-way valve, performing pressure test on the pressure of the fluid at the oil inlet by a pressure gauge, displaying a pressure value in a single chip microcomputer, enabling the fluid to flow out of a first oil outlet after passing through the two-position three-way valve, continuously operating the process until the liquid pressure is stable, indicating that the liquid flow rate is stable at the moment, and then entering the next test flow;
at the moment, a test start-stop button is pressed, the weighing collector is reset, meanwhile, the timing relay starts to time, the two-position three-way electromagnetic valve switches the flow direction of the fluid under the control of the timing relay, and the fluid enters the weighing collector from the second oil outlet;
the timing relay is automatically cut off after running for a set time, and the two-position three-way electromagnetic valve switches the flow direction;
at the moment, the single chip microcomputer collects and operates the collected time and the weighing signal and displays a flow test value;
opening a cut-off valve switch, and discharging the liquid in the weighing collector of the collector;
and comparing and calibrating the display value of the original pipeline flowmeter of the flow test value to finish the whole process.
In the testing process, the pipe diameter of the oil circuit of the measuring system is larger than that of the testing pipeline, and throttling cannot be formed in the oil circuit of the testing system. The flow test calibration device provided by the embodiment can realize automatic flow measurement, adopts automatic timing measurement, has high measurement precision, and the precision of the test equipment is not interfered by liquid, is a simple flow test calibration method by adopting the flow test calibration device, is convenient to carry, is suitable for quick calibration of flow under the outfield condition, is used for detecting and calibrating the liquid flow in a pipeline at any time and any place, is simple to operate and accurate to measure, can be further expanded to use, can enable the whole process of the test of the stop valve to be in an access state, and uses the external equipment to collect and weigh the liquid, so that the test time can be greatly prolonged, and the measurement precision can be further provided at the moment.
Claims (9)
1. Liquid flow test calibration device, its characterized in that: the test calibration device comprises: the device comprises a timing relay, a two-position three-way electromagnetic valve and a weighing collector, wherein the timing relay is connected with the two-position three-way electromagnetic valve, the two-position three-way electromagnetic valve is connected with the weighing collector through a second oil outlet of the two-position three-way electromagnetic valve, an oil inlet is further formed in the two-position three-way electromagnetic valve, a pressure gauge is arranged at the oil inlet of the two-position three-way electromagnetic valve, and the test calibration device is further provided with a single chip microcomputer used for collecting time signals, pressure signals and.
2. The liquid flow test calibration device according to claim 1, wherein: the liquid flow test calibration device further comprises a power supply system, and the power supply system is used for supplying power to the timing relay, the single chip microcomputer and the weighing collector.
3. The liquid flow test calibration device according to claim 2, wherein: the power supply system is provided as a rechargeable battery pack.
4. The liquid flow test calibration device according to claim 1, wherein: the two-position three-way electromagnetic valve is also provided with a first oil outlet.
5. The liquid flow test calibration device according to claim 4, wherein: and a third oil outlet is arranged on the weighing collector.
6. The liquid flow test calibration device according to claim 5, wherein: and a stop solenoid valve is arranged at the third oil outlet.
7. The liquid flow test calibration device according to claim 5, wherein: and the first oil outlet and the third oil outlet are connected with a liquid recovery container.
8. The liquid flow test calibration device according to claim 1, wherein: the liquid flow testing and calibrating device is integrally integrated into a portable testing box body.
9. The liquid flow test calibration device according to claim 8, wherein: the portable test box body is provided with a control panel which comprises a power switch, a charging interface, a test start-stop button, a time setting button and a stop valve switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022815138.0U CN213658030U (en) | 2020-11-27 | 2020-11-27 | Liquid flow test calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022815138.0U CN213658030U (en) | 2020-11-27 | 2020-11-27 | Liquid flow test calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213658030U true CN213658030U (en) | 2021-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022815138.0U Active CN213658030U (en) | 2020-11-27 | 2020-11-27 | Liquid flow test calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213658030U (en) |
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2020
- 2020-11-27 CN CN202022815138.0U patent/CN213658030U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 1333 Yingshanhong Road, Huangdao District, Qingdao, Shandong Province, 266000 Patentee after: Zhongke Hangxing Technology Co.,Ltd. Country or region after: China Address before: 266400 Binhai Avenue South, Shanchuan Road West, Huangdao District, Qingdao City, Shandong Province Patentee before: ZHONGKE HANGXING TECHNOLOGY Co.,Ltd. Country or region before: China |