阅读说明：本技术 适用于火箭发动机喷注器边区流量的测量设备及方法 (Measuring device and method suitable for rocket engine ejector filler border area flow ) 是由 吴焕钟 倪维根 陈明亮 赵婷 刘昌国 包建国 陈泓宇 姚锋 于 2019-07-26 设计创作，主要内容包括：本发明提供了一种适用于火箭发动机喷注器边区流量的测量设备及方法,其特征在于,包括：控制单元、设备控制台2、液位测量单元4、可调接水管5以及接水罐6；所述控制单元与设备控制台2相连；所述控制单元与液位测量单元4相连；所述液位测量单元4与接水罐6紧固连接；所述液位测量单元4与可调接水管5相连；液位测量单元4的数量为一个或者多个。本发明具有设备结构简单、场地适应性强、通道拓展便捷、人为干扰因素少、测量精度高等优点,可显著提高液体火箭发动机喷注器边区冷却流量测量的工作效率。(The present invention provides a kind of measuring devices and method suitable for rocket engine ejector filler border area flow characterized by comprising control unit, facilities control console 2, measuring unit of liquid level 4, adjustable water receiving pipe 5 and water receiving tank 6；Described control unit is connected with facilities control console 2；Described control unit is connected with measuring unit of liquid level 4；The measuring unit of liquid level 4 is fastenedly connected with water receiving tank 6；The measuring unit of liquid level 4 is connected with adjustable water receiving pipe 5；The quantity of measuring unit of liquid level 4 is one or more.The present invention has many advantages, such as that device structure is simple, place is adaptable, channel expansion is convenient, human interference factor is few, measurement accuracy is high, is remarkably improved the working efficiency of liquid-propellant rocket engine ejector filler border area cooling flow measurement.)

1. a kind of measuring device suitable for rocket engine ejector filler border area flow characterized by comprising control unit, Facilities control console (2), measuring unit of liquid level (4), adjustable water receiving pipe (5) and water receiving tank (6)；

Described control unit is connected with facilities control console (2)；

Described control unit is connected with measuring unit of liquid level (4)；

The measuring unit of liquid level (4) is fastenedly connected with water receiving tank (6)；

The measuring unit of liquid level (4) is connected with adjustable water receiving pipe (5)；

The quantity of measuring unit of liquid level (4) is one or more.

2. the measuring device according to claim 1 suitable for rocket engine ejector filler border area flow, which is characterized in that Measuring unit of liquid level (4) include: liquid level sensor (41), induction float (42), measurement pipe (43), the first solenoid valve (441), into The mouth of a river (45), the first discharge outlet (461), erection support (47)；

The liquid level sensor (41) is located at one end of measuring unit of liquid level (4), liquid level sensor (41) and erection support (47) It is connected；

The induction float (42) is set in measurement pipe (43), and the measurement pipe (43) is connected with support (47)；

First solenoid valve (441) is connected with measurement pipe (43), and the first solenoid valve (441) is connected with the first discharge outlet (461)；

First discharge outlet (461) is located at the other end of measuring unit of liquid level (4), and the first discharge outlet (461) is set to measurement Manage the underface of (43)；

The erection support (47) is fastenedly connected with water receiving tank (6), and the side edge of erection support (47) and water receiving tank (6) is touched；

The water inlet (45) is connected with adjustable water receiving pipe (5), and water inlet (45) can move water receiving；

The water inlet (45), the first discharge outlet (461) are connected with measurement pipe (43).

3. the measuring device according to claim 2 suitable for rocket engine ejector filler border area flow, which is characterized in that Measuring unit of liquid level (4) further include: the second discharge outlet (462), second solenoid valve (442) and third solenoid valve (443)；

Second discharge outlet (462), second solenoid valve (442) and third solenoid valve (443) are connected with measurement pipe (43), institute It states the second discharge outlet (462), second solenoid valve (442) and third solenoid valve (443) and is set in measuring unit of liquid level (4) and lean on The position of nearly water inlet (45)；

The discharge outlet (46) includes: the first discharge outlet (461) and the second discharge outlet (462)；

The solenoid valve (44) includes: the first solenoid valve (441) and second solenoid valve (442).

4. the measuring device according to claim 2 suitable for rocket engine ejector filler border area flow, which is characterized in that Measuring unit of liquid level (4) further include: solenoid valve block, the second discharge outlet (462)；

Second discharge outlet (462), solenoid valve block are connected with measurement pipe (43), second discharge outlet (462), solenoid valve block It is set to the position in measuring unit of liquid level (4) close to water inlet (45).

5. the measuring device according to claim 2 suitable for rocket engine ejector filler border area flow, which is characterized in that Control unit includes: control host computer (1), controller module；

The control host computer (1) is connected with controller module；

The controller module includes: programmable controller, the first controller extension end, second controller extension end；

First controller extension end, second controller extension end are connected with programmable controller；

First controller extension end is connected with liquid level sensor, and second controller extension end is connected with solenoid valve.

6. the measuring device according to claim 5 suitable for rocket engine ejector filler border area flow, which is characterized in that Control unit further include:

Acquisition module: data are acquired using number bus form；

The programmable controller is programmable logic controller；

Described control unit is connected with measuring unit of liquid level (4) using data cable (3).

7. the measuring device according to claim 5 suitable for rocket engine ejector filler border area flow, which is characterized in that

The quantity of the measuring unit of liquid level (4) is 8；

The measuring unit of liquid level (4) is circumferentially uniformly distributed along water receiving tank (6) edge.

8. a kind of measurement method suitable for rocket engine ejector filler border area flow characterized by comprising

Water re-supplying step: according to flow parameter and pressure parameter, the water of pressure extra fine quality is provided to ejector filler test specimen；

Adjustment water receiving pipe step: adjusting the position of adjustable water receiving pipe (5), corresponds with ejector filler border area jet stream, opens liquid level The drain solenoid valve (44) of measuring unit (4) lower end；

Starting measuring process: the measuring unit of liquid level (4) of work is needed using host computer (1) selection；

Start measurement after ejector filler flow parameter or pressure parameter meet and impose a condition；

Liquid level real-time measurement step: closing the solenoid valve (44) below measuring unit of liquid level (4), and start timing, exports liquid level Height real time information, clocking information are to controlling host computer (1)；

Scaling step: according to output liquid level real time information, clocking information, measurement conversion information is obtained.

9. the measurement method according to claim 8 suitable for rocket engine ejector filler border area flow, which is characterized in that Further include:

It obtains statistical information step: according to measurement conversion information, obtaining statistical information.

Technical field

The present invention relates to automatic measurement apparatus fields, and in particular, to one kind is suitable for rocket engine ejector filler side The measuring device and method of area's flow, especially rocket engine ejector filler border area flow automatic measurement equipment.

Background technique

When liquid-propellant rocket engine works, generation high-temperature high-pressure fuel gas in combustion chamber, fuel gas temperature up to 3000K or more, Much higher than the allowable temperature of current material system.To guarantee engine long-time reliably working, it is necessary to effective cooling be taken to arrange It applies, it is ensured that engine operating temperature is within the scope of raw material allowable temperature.Film cooling is combustion when reducing rocket engine work A kind of common method of room temperature level is burnt, its working principle is that coolant is introduced in ejector filler periphery arrangement border area hole, it is cooling Wall surface forms one layer of cooling liquid film to agent jet stream in the combustion chamber, to prevent from being exposed to the thrust chamber wall superheat in high-temperature fuel gas. The size and its uniformity of cooling liquid film flow all directly influence the reliability of engine operation, need strictly to control it System.Therefore, in engine production test process, it usually needs detected to ejector filler border area cooling flow and uniformity. It is main using method is artificially collected at present when rocket engine ejector filler liquid flow test, liquid medium is manually collected, and take people Work timing and weighing need more human hand held collection vessels, carry out the flow for artificially collecting each border area cooling hole.With certain rocket engine For ejector filler, 48 border area cooling holes are shared, when carrying out the test of border area cooling flow, are collected by man-hour manually hand-held vessel, by Test condition limitation, which at least needs 1 people control, 4 people to hold cup simultaneously and collect for 6 times, could complete one time of 48 border areas hole and flow Measurement is influenced by factors such as individual reaction, technical ability, and the measurement accuracy and working efficiency of this method are generally lower.

It is wide to discharge uniformity on-line measurement device, feature that patent document 102628701B discloses a kind of water injector It is, the on-line measurement device includes: header tank ontology 3, it is equipped with opening along the length direction of the header tank ontology 3, The length and cabinet equal length of the opening, the opening width are 200~300mm, are arranged over said opening openable With the case lid 4 that catchments of closing, it is equipped with outlet pipe in 3 bottom of header tank ontology, valve 6 is equipped on the outlet pipe；Bottom Seat 5 is fixed with card slot 2 on the pedestal 5, and the card slot 2 is equipped with multiple circular holes, and the header tank ontology is bolted At the circular hole.The patent can not be suitable for well the measurement of rocket engine ejector filler border area flow, and people is added Work manual measurement is influenced by factors such as individual reaction, technical ability, and measurement accuracy and working efficiency are generally lower.

Summary of the invention

For the defects in the prior art, the object of the present invention is to provide one kind to be suitable for rocket engine ejector filler border area The measuring device and method of flow.

A kind of measuring device suitable for rocket engine ejector filler border area flow provided according to the present invention, comprising: control Unit, facilities control console 2, measuring unit of liquid level 4, adjustable water receiving pipe 5 and water receiving tank 6 processed；Described control unit and equipment control Platform 2 processed is connected；Described control unit is connected with measuring unit of liquid level 4；The measuring unit of liquid level 4 is fastenedly connected with water receiving tank 6； The measuring unit of liquid level 4 is connected with adjustable water receiving pipe 5；The quantity of measuring unit of liquid level (4) is one or more.

Preferably, measuring unit of liquid level 4 includes: liquid level sensor 41, induction float 42, measurement pipe 43, the first solenoid valve 441, water inlet 45, the first discharge outlet 461, erection support 47；The liquid level sensor 41 is located at the one of measuring unit of liquid level 4 End, liquid level sensor 41 are connected with erection support 47；The induction float 42 is set in measurement pipe 43, the measurement pipe 43 with Support 47 is connected；First solenoid valve 441 is connected with measurement pipe 43, and the first solenoid valve 441 is connected with the first discharge outlet 461； First discharge outlet 461 is located at the other end of measuring unit of liquid level 4, the first discharge outlet 461 be set to measurement pipe 43 just under Side；The erection support 47 is fastenedly connected with water receiving tank 6, and the side edge of erection support 47 and water receiving tank 6 is touched；The water inlet 45 are connected with adjustable water receiving pipe 5, and water inlet 45 can move water receiving；The water inlet 45, the first discharge outlet 461 and measurement pipe 43 It is connected.

Preferably, measuring unit of liquid level 4 further include: the second discharge outlet 462, second solenoid valve 442 and third solenoid valve 443；Second discharge outlet 462, second solenoid valve 442 and third solenoid valve 443 are connected with measurement pipe 43, the second row The mouth of a river 462, second solenoid valve 442 and third solenoid valve 443 are set to the position in measuring unit of liquid level 4 close to water inlet 45 It sets.

Preferably, measuring unit of liquid level 4 further include: solenoid valve block, the second discharge outlet 462；Second discharge outlet 462, Solenoid valve block is connected with measurement pipe 43, second discharge outlet 462, solenoid valve block be set in measuring unit of liquid level 4 close into The position at the mouth of a river 45；The discharge outlet 46 includes: the first discharge outlet 461 and the second discharge outlet 462；The solenoid valve 44 includes: First solenoid valve 441 and second solenoid valve 442.

Preferably, control unit includes: control host computer 1, controller module；The control host computer 1 and controller mould Block is connected；The controller module includes: programmable controller, the first controller extension end, second controller extension end；It is described First controller extension end, second controller extension end are connected with programmable controller；First controller extends end and liquid level passes Sensor is connected, and second controller extension end is connected with solenoid valve.

Preferably, data control unit further include: acquisition module: are acquired using number bus form；The programmable control Device processed is programmable logic controller.Described control unit is connected with measuring unit of liquid level 4 using data cable 3.

Preferably, the quantity of the measuring unit of liquid level 4 is 8；The measuring unit of liquid level 4 is along 6 edge of water receiving tank week To being uniformly distributed.

A kind of measurement method suitable for rocket engine ejector filler border area flow provided according to the present invention, comprising: supply Water step: according to flow parameter and pressure parameter, the water of pressure extra fine quality is provided to ejector filler test specimen；Adjust water receiving pipe step It is rapid: to adjust the position of adjustable water receiving pipe 5, corresponded with ejector filler border area jet stream, open the draining of 4 lower end of measuring unit of liquid level Solenoid valve 44；Starting measuring process: it selects to need the measuring unit of liquid level 4 of work using host computer 1；To ejector filler flow parameter Or pressure parameter meets starting measurement after setting condition；Liquid level real-time measurement step: the electromagnetism of 4 lower section of measuring unit of liquid level is closed Valve 44, and start timing, output liquid level real time information, clocking information to control host computer 1；Scaling step: according to output Liquid level real time information, clocking information obtain measurement conversion information.

Preferably, further includes: obtain statistical information step: according to measurement conversion information, obtaining statistical information.

Compared with prior art, the present invention have it is following the utility model has the advantages that

1, synchro measure ejector filler multichannel border area cooling flow may be implemented in the present invention, meets the flow measurement of ejector filler border area Engineering demand.

2, the present invention is with device structure is simple, place is adaptable, channel expansion is convenient, human interference factor is few, surveys The advantages that accuracy of measurement is high is remarkably improved the working efficiency of liquid-propellant rocket engine ejector filler border area cooling flow measurement.

3, expansion of the present invention is strong, can be not only used for the measurement of liquid-propellant rocket engine ejector filler border area cooling flow, and And it can be used for the multichannel liquid flow measurement in other industrial circles.

Detailed description of the invention

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention, Objects and advantages will become more apparent upon:

Fig. 1 is the schematic diagram of the measuring device provided by the present invention suitable for rocket engine ejector filler border area flow.

Fig. 2 is the first embodiment schematic diagram of measuring unit of liquid level in the embodiment of the present invention.

Fig. 3 is second of embodiment schematic diagram of measuring unit of liquid level in the embodiment of the present invention.

Fig. 4 is the third embodiment schematic diagram of measuring unit of liquid level in the embodiment of the present invention.

Fig. 5 is the schematic diagram of the electric control system in the embodiment of the present invention.

Specific embodiment

The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention Protection scope.

As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, the one kind provided according to the present invention is suitable for rocket engine ejector filler The measuring device of border area flow, comprising: control unit, facilities control console 2, measuring unit of liquid level 4, adjustable water receiving pipe 5 and connect Water pot 6；Described control unit is connected with facilities control console 2；Described control unit is connected with measuring unit of liquid level 4；The liquid level Measuring unit 4 is fastenedly connected with water receiving tank 6；The measuring unit of liquid level 4 is connected with adjustable water receiving pipe 5, measuring unit of liquid level 4 Quantity is one or more.Specifically, in one embodiment, the measuring unit of liquid level is single using high-precision liquid level measurement Member.

As shown in Fig. 2, measuring unit of liquid level 4 includes: liquid level sensor 41, induction float 42, measurement pipe 43, the first electromagnetism Valve 441, water inlet 45, the first discharge outlet 461, erection support 47；The liquid level sensor 41 is located at the one of measuring unit of liquid level 4 End, liquid level sensor 41 are connected with erection support 47；The induction float 42 is set in measurement pipe 43, the measurement pipe 43 with Support 47 is connected；First solenoid valve 441 is connected with measurement pipe 43, and the first solenoid valve 441 is connected with the first discharge outlet 461； First discharge outlet 461 is located at the other end of measuring unit of liquid level 4, the first discharge outlet 461 be set to measurement pipe 43 just under Side；The erection support 47 is fastenedly connected with water receiving tank 6, and the side edge of erection support 47 and water receiving tank 6 is touched；The water inlet 45 are connected with adjustable water receiving pipe 5, and water inlet 45 can move water receiving；The water inlet 45, the first discharge outlet 461 and measurement pipe 43 It is connected.Specifically, in one embodiment, only one discharge outlet 46 of measuring unit of liquid level 4, positioned at measurement pipe 43 just under Side controls whether the liquid in measurement pipe 43 discharges by a solenoid valve 44.

As shown in Figure 3, Figure 4, measuring unit of liquid level 4 further include: the second discharge outlet 462, second solenoid valve 442 and third Solenoid valve 443；Second discharge outlet 462, second solenoid valve 442 and third solenoid valve 443 are connected with measurement pipe 43, described Second discharge outlet 462, second solenoid valve 442 and third solenoid valve 443 are set in measuring unit of liquid level 4 close to water inlet 45 Position.Preferably, measuring unit of liquid level 4 further include: solenoid valve block, the second discharge outlet 462；Second discharge outlet 462, electricity Magnet valve group is connected with measurement pipe 43, and second discharge outlet 462, solenoid valve block are set in measuring unit of liquid level 4 close to water inlet The position of mouth 45；The discharge outlet 46 includes: the first discharge outlet 461 and the second discharge outlet 462；The solenoid valve 44 includes: One solenoid valve 441 and second solenoid valve 442.Specifically, in one embodiment, the second discharge outlet 46, second solenoid valve 442 with And third solenoid valve 443 is respectively positioned on water inlet 45 nearby, it can be achieved that entering back into measurement pipe 43 after liquid stream steady flow.Become at one Change in example, two solenoid valves near water inlet 45 is integrated into a solenoid valve block, conducive to high-precision liquid level measuring unit 4 Topology layout is compact.

As shown in figure 5, control unit includes: control host computer 1, controller module；The control host computer 1 and controller Module is connected；The controller module includes: programmable controller, the first controller extension end, second controller extension end；Institute The first controller extension end, second controller extension end is stated to be connected with programmable controller；First controller extends end and liquid level Sensor is connected, and second controller extension end is connected with solenoid valve.

Preferably, data control unit further include: acquisition module: are acquired using number bus form；The programmable control Device processed is programmable logic controller.Described control unit is connected with measuring unit of liquid level 4 using data cable 3.

Equipment uses electric control system, and system is by control host computer 1 (touch screen controller), programmable controller (PLC), PLC input and output extension end, plc data connection extension end, 220VAC turn 24VDC power supply, high-accuracy liquid level sensor, The composition such as solenoid valve acquires data using number bus form, reduces single channel and respectively controls acquisition change data unit.

Preferably, the quantity of the measuring unit of liquid level 4 is 8；The measuring unit of liquid level 4 is along 6 edge of water receiving tank week To being uniformly distributed.

Amount provided by the invention can be suitable for the survey of rocket engine ejector filler border area flow by those skilled in the art The embodiment for measuring equipment, is interpreted as the one of the measurement method provided by the invention suitable for rocket engine ejector filler border area flow A embodiment.That is, the measurement method suitable for rocket engine ejector filler border area flow can be by executing described be applicable in It is realized in the measuring device of rocket engine ejector filler border area flow.

A kind of measurement method suitable for rocket engine ejector filler border area flow provided according to the present invention, comprising: supply Water step: according to flow parameter and pressure parameter, the water of pressure extra fine quality is provided to ejector filler test specimen；Adjust water receiving pipe step It is rapid: to adjust the position of adjustable water receiving pipe 5, corresponded with ejector filler border area jet stream, open the draining of 4 lower end of measuring unit of liquid level Solenoid valve 44；Starting measuring process: it selects to need the measuring unit of liquid level 4 of work using host computer 1；To ejector filler flow parameter Or pressure parameter meets starting measurement after setting condition；Liquid level real-time measurement step: the electromagnetism of 4 lower section of measuring unit of liquid level is closed Valve 44, and start timing, output liquid level real time information, clocking information to control host computer 1；Scaling step: according to output Liquid level real time information, clocking information obtain measurement conversion information.

Preferably, further includes: obtain statistical information step: according to measurement conversion information, obtaining statistical information.

Specifically, in one embodiment, rocket engine ejector filler border area flow automatic measurement equipment detailed test Process is as follows:

1) facilities control console 2 presses flow and pressure requirements, provides pressure constant clean water for ejector filler test specimen, adjustment can The position for adjusting water receiving pipe 5 is corresponded with ejector filler border area jet stream, and 4 lower end of high-precision liquid level measuring unit drains electromagnetism at this time Valve 44 is opened；

2) the high-precision liquid level measuring unit 4 that work is needed by the control selection of host computer 1, to ejector filler flow or pressure Parameter can start measurement after meeting technical requirements.

3) after measurement starting, 4 lower end drain solenoid valve 44 of high-precision liquid level measuring unit is automatically closed in equipment, and starts to count When, liquid level is begun to ramp up in measurement pipe, and liquid level data are real-time transmitted to control host computer 1 and handle.

4) after measuring, control host computer 1 stops receiving new liquid level data, while measuring each road high-precision liquid level 4 data of unit convert.

5) conversion obtains ejector filler border area flow percentage and each border area hole discharge uniformity data of ejector filler, and to scheme Table, digital form are exported, are recorded.

Synchro measure ejector filler multichannel border area cooling flow may be implemented in the present invention, meets the flow measurement of ejector filler border area Engineering demand.The present invention is with device structure is simple, place is adaptable, channel expansion is convenient, human interference factor is few, measurement The advantages that precision is high is remarkably improved the working efficiency of liquid-propellant rocket engine ejector filler border area cooling flow measurement.The present invention Expansion is strong, can be not only used for the measurement of liquid-propellant rocket engine ejector filler border area cooling flow, and can be used for other works Multichannel liquid flow measurement in industry field.

One skilled in the art will appreciate that in addition to realizing system provided by the invention in a manner of pure computer readable program code It, completely can be by the way that method and step be carried out programming in logic come so that the present invention provides and its other than each device, unit, unit System and its each device, unit, unit with logic gate, switch, specific integrated circuit, programmable logic controller (PLC) and embedding Enter the form of the controller that declines etc. to realize identical function.So system provided by the invention and its every device, unit, list Member is considered a kind of hardware component, and can also for realizing the device, unit, unit of various functions to include in it To be considered as the structure in hardware component；It can also will be considered as realizing the device, unit, unit of various functions either real The software unit of existing method can be the structure in hardware component again.

Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase Mutually combination.