CN204064611U - Flow resistance measures pilot system - Google Patents
Flow resistance measures pilot system Download PDFInfo
- Publication number
- CN204064611U CN204064611U CN201420206778.3U CN201420206778U CN204064611U CN 204064611 U CN204064611 U CN 204064611U CN 201420206778 U CN201420206778 U CN 201420206778U CN 204064611 U CN204064611 U CN 204064611U
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- China
- Prior art keywords
- oil
- stop valve
- flow
- flow resistance
- supply system
- Prior art date
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- Expired - Fee Related
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- Feeding And Controlling Fuel (AREA)
- Measuring Volume Flow (AREA)
Abstract
The utility model relates to a kind of flow resistance and measures pilot system, comprises measuring system, oil supply system, return oil system, air supply system and flow control system; Described measuring system comprises differential pressure transmitter; Oil supply system comprises oil tank, oil pump and venting stop valve; Return oil system comprises fuel tank, oil return stop valve; Air supply system comprises nitrogen cylinder, reduction valve, air feed stop valve and tensimeter; Flow control system comprises flowmeter, flow stop valve; Described nitrogen cylinder is connected with oil tank by air feed stop valve, reduction valve, tensimeter successively; The side of oil tank connects fuel tank by pipeline, and the opposite side of oil tank is connected by trial product by flow stop valve with flowmeter successively, is connected differential pressure pick-up and fuel tank respectively by trial product.The problem of the flow resistance test of product under test(ing) medium is aviation kerosene situation can be solved.Can simulate while real actuating medium, fully the reliability of checking product work, have that environmental simulation is truer, the better feature of test effect.
Description
Technical field
The utility model relates to a kind of product testing system, particularly relates to a kind of flow resistance and measures pilot system.
Background technology
Increasing space product requires more can close to the environment residing for the real work state of product when simulated environmental test, steady operation dielectric testing effectively can not examine the flow resistance accuracy of the actual working state of product, even if at the product development initial stage, real operating environments simulation test also becomes still for important.Common flow resistance measuring method is complicated, and needs error calculation just can obtain a result, poor accuracy.
Utility model content
The utility model is for above-mentioned problems of the prior art, provide a kind of flow resistance and measure pilot system, replace steady operation medium to test with real actuating medium aviation kerosene, solve and carry out testing the problem can not accurately measuring flow resistance with steady operation medium.
The technical solution of the utility model is as follows:
This system comprises measuring system, oil supply system, return oil system, air supply system and flow control system; Described measuring system comprises differential pressure transmitter; Oil supply system comprises oil tank, oil pump and venting stop valve; Return oil system comprises fuel tank, oil return stop valve; Air supply system comprises nitrogen cylinder, reduction valve, air feed stop valve and tensimeter; Flow control system comprises flowmeter, flow stop valve; Described nitrogen cylinder is connected with oil tank by air feed stop valve, reduction valve, tensimeter successively; The side of oil tank connects fuel tank by pipeline, and the opposite side of oil tank is connected by trial product by flow stop valve with flowmeter successively, is connected differential pressure pick-up and fuel tank respectively by trial product.
Described oil tank is connected with oil pump, venting stop valve, air release and charge oil pressure table.
Retaining valve, oil return stop valve, dispenser pump and return filter is provided with successively between described oil tank and the fuel tank of return oil system.
Be provided with filtrator between described oil tank and the flow stop valve of flow control system, the flow of described flow control system counts turbo flow meter.
The both sides of described differential pressure pick-up are provided with flow control valve.
Described measuring system, oil supply system, return oil system, air supply system and flow control system are independently subsystem.
Described oil supply system provides the aviation kerosene of pressure stability for pipeline, and the pressure limit of aviation kerosene is 0-0.8MPa.
Described air supply system is that oil tank is inflated to pressure 0.4MPa.
Described measuring system flow measurement range is 1-10
; Flow resistance measurement range is 0-6kPa.
The mode of gas cap oil is adopted to carry out fuel feeding; Described gas cap oil mode adopts high-purity nitrogen to carry out gas injection pressurization to oil tank, and the mode being converted to oil pressure with air pressure carries out fuel feeding.
Compared with prior art, the beneficial effects of the utility model are: reduce the danger using aviation kerosene to bring, steady pressure oil sources is provided, has concurrently and measure fluid flow, pressure, flow resistance, have that environmental simulation is truer, the higher test findings of test efficiency feature more accurately.Replace steady operation medium to test with real actuating medium aviation kerosene, solve and carry out testing the problem can not accurately measuring flow resistance with steady operation medium; With compared with other media such as water, have that environmental simulation is truer, the better feature of test effect.And solve the instability with oil pump feed by the fuel system of gas cap oil, save cost.Return oil system can ensure that aviation kerosene is transported to oil tank by return oil system after getting back to fuel tank after by product again, ensure that the periodic duty of system.
Accompanying drawing explanation
Fig. 1 is theory structure schematic diagram of the present utility model.
Fig. 2 is theory diagram of the present utility model.
In figure, 1, measuring system, 2, oil supply system, 3, return oil system, 4, air supply system, 5, flow control system, 6, by trial product; 101, flow control valve, 102, differential pressure pick-up; 201, oil tank, 202, venting stop valve; 301, retaining valve, 302, oil return stop valve, 303, dispenser pump, 304, return filter, 305, fuel tank; 401, nitrogen cylinder, 402, air feed stop valve, 403, reduction valve, 404, tensimeter; 501, filtrator, 502, flow stop valve, 503, flowmeter.
Embodiment
Referring to accompanying drawing, in conjunction with specific embodiments, concrete structure of the present utility model is described in detail.
Embodiment
As shown in Figure 1-2, this system comprises measuring system 1, oil supply system 2, return oil system 3, air supply system 4 and flow control system 5; Described measuring system comprises flow control valve 101 and differential pressure transmitter 102; Oil supply system comprises oil tank 201, venting stop valve 202; Return oil system comprises retaining valve 301, oil return stop valve 302, dispenser pump 303, return filter 304 and fuel tank 305; Air supply system comprises high-purity nitrogen gas cylinder 401, air feed stop valve 402, reduction valve 403 and tensimeter 404; Flow control system comprises turbo flow meter 503, flow stop valve 502 and filtrator 501; Described nitrogen cylinder 401 is connected with oil tank 201 by air feed stop valve 402, reduction valve 403, tensimeter 404 successively; Oil tank 201 is connected with oil pump, venting stop valve 202, air release and charge oil pressure table; The side of oil tank 201 connects fuel tank 305 by pipeline, is provided with retaining valve 301, oil return stop valve 302, dispenser pump 303 and return filter 304 between oil tank and fuel tank successively; The opposite side of oil tank is connected by trial product 6 by filtrator 501, flow stop valve 502 and flowmeter 503 successively, is connected differential pressure pick-up 102 and fuel tank 305 respectively by trial product 6; The both sides of described differential pressure pick-up 102 are provided with flow control valve 101.
Described measuring system, oil supply system, return oil system, air supply system and flow control system are independently subsystem.
Described oil supply system provides the aviation kerosene of pressure stability for pipeline, and the pressure limit of aviation kerosene is 0-0.8MPa.
Described air supply system is that oil tank is inflated to pressure 0.4MPa.
Described measuring system flow measurement range is 1-10
; Flow resistance measurement range is 0-6kPa.
The mode of gas cap oil is adopted to carry out fuel feeding; Described gas cap oil mode adopts high-purity nitrogen to carry out gas injection pressurization to oil tank, and the mode being converted to oil pressure with air pressure carries out fuel feeding
The utility model injects high-purity nitrogen in the oil tank after first oiling being completed, and what adopt the mode stability and safety of gas urges liquid provides oil sources for testing table.Signals collecting and all consumers all adopt explosive-proof protector.
This experimental system adopts high-purity nitrogen to carry out gas injection pressurization to oil tank, and after pressure reaches 120% of required oil pressure, stop gas injection, opening stop valve, pressure oil flows through product by pipeline; Adjustment stop valve, observes flowmeter, and after flow reaches required flow, reading and connect product two ends differential pressure pick-up registration, is product flow resistance.This system can while product work environment that is virtually reality like reality, the fully reliability of checking product work.
The above know-why being specific embodiment of the utility model and using, any based on the equivalent transformation on technical solutions of the utility model basis, all belong within protection domain of the present utility model.
Claims (10)
1. flow resistance measures pilot system, it is characterized in that comprising measuring system, oil supply system, return oil system, air supply system and flow control system; Described measuring system comprises differential pressure transmitter; Oil supply system comprises oil tank, oil pump and venting stop valve; Return oil system comprises fuel tank, oil return stop valve; Air supply system comprises nitrogen cylinder, reduction valve, air feed stop valve and tensimeter; Flow control system comprises flowmeter, flow stop valve; Described nitrogen cylinder is connected with oil tank by air feed stop valve, reduction valve, tensimeter successively; The side of oil tank connects fuel tank by pipeline, and the opposite side of oil tank is connected by trial product by flow stop valve with flowmeter successively, is connected differential pressure pick-up and fuel tank respectively by trial product.
2. flow resistance according to claim 1 measures pilot system, it is characterized in that described oil tank is connected with oil pump, venting stop valve, air release and charge oil pressure table.
3. flow resistance according to claim 1 measures pilot system, it is characterized in that being provided with retaining valve, oil return stop valve, dispenser pump and return filter between described oil tank and the fuel tank of return oil system successively.
4. flow resistance according to claim 1 measures pilot system, and it is characterized in that being provided with filtrator between described oil tank and the flow stop valve of flow control system, the flow of described flow control system counts turbo flow meter.
5. flow resistance according to claim 1 measures pilot system, it is characterized in that the both sides of described differential pressure pick-up are provided with flow control valve.
6. flow resistance according to claim 1 measures pilot system, it is characterized in that described measuring system, oil supply system, return oil system, air supply system and flow control system are independently subsystem.
7. flow resistance according to claim 1 measures pilot system, and it is characterized in that described oil supply system provides the aviation kerosene of pressure stability for pipeline, the pressure limit of aviation kerosene is 0-0.8MPa.
8. flow resistance according to claim 1 measures pilot system, it is characterized in that described air supply system is that oil tank is inflated to pressure 0.4MPa.
9. flow resistance according to claim 1 measures pilot system, it is characterized in that described measuring system flow measurement range is 1-10 m
3/ h; Flow resistance measurement range is 0-6kPa.
10. flow resistance according to claim 1 measures pilot system, it is characterized in that adopting the mode of gas cap oil to carry out fuel feeding; Described gas cap oil mode adopts high-purity nitrogen to carry out gas injection pressurization to oil tank, and the mode being converted to oil pressure with air pressure carries out fuel feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206778.3U CN204064611U (en) | 2014-04-26 | 2014-04-26 | Flow resistance measures pilot system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420206778.3U CN204064611U (en) | 2014-04-26 | 2014-04-26 | Flow resistance measures pilot system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204064611U true CN204064611U (en) | 2014-12-31 |
Family
ID=52206099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420206778.3U Expired - Fee Related CN204064611U (en) | 2014-04-26 | 2014-04-26 | Flow resistance measures pilot system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204064611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954431A (en) * | 2014-04-26 | 2014-07-30 | 沈阳航天新光集团有限公司 | Flow resistance measurement test system |
| CN108637787A (en) * | 2018-06-15 | 2018-10-12 | 北京铂阳顶荣光伏科技有限公司 | Oil supply system and cutting machine |
| CN110553966A (en) * | 2019-07-10 | 2019-12-10 | 西安成立航空制造有限公司 | Tool and method for measuring certain type of oil filtering flow resistance |
-
2014
- 2014-04-26 CN CN201420206778.3U patent/CN204064611U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954431A (en) * | 2014-04-26 | 2014-07-30 | 沈阳航天新光集团有限公司 | Flow resistance measurement test system |
| CN103954431B (en) * | 2014-04-26 | 2016-08-31 | 沈阳航天新光集团有限公司 | Flow resistance experiment with measuring system |
| CN108637787A (en) * | 2018-06-15 | 2018-10-12 | 北京铂阳顶荣光伏科技有限公司 | Oil supply system and cutting machine |
| WO2019237480A1 (en) * | 2018-06-15 | 2019-12-19 | 北京铂阳顶荣光伏科技有限公司 | Oil supply system and cutting machine |
| CN110553966A (en) * | 2019-07-10 | 2019-12-10 | 西安成立航空制造有限公司 | Tool and method for measuring certain type of oil filtering flow resistance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20170426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |