Annular radiator performance testing device

Abstract

The utility model discloses a performance testing device for an annular radiator, which mainly comprises a cold air supply system using a fan as an air source and capable of stably supplying large-flow normal-temperature air exceeding 30000 kg / h; the secondary cooling air supply system with compressed air as an air source can provide hot air with the temperature being 100 DEG C and the flow being not lower than 6000 kg / h, and the hot path air supply system with compressed air as an air source can stably provide hot air with the temperature being 600 DEG C and the flow being larger than 3000 kg / h. The performance test device is designed according to the performance test requirements of the annular radiator and the existing conditions, can meet the high-temperature and large-flow test requirements of the annular radiator, and can also meet the performance test of other air radiators under the coverage of the capability conditions of the device.

Description

TECHNICAL FIELD

[0001] The utility model belongs to analog test technical field relates to radiator parameter analog test, specifically is a kind of annular radiator performance testing device. BACKGROUND

[0002] Annular radiator (hereinafter referred to as product) is the accessory of aircraft environmental control and thermal management system, is installed in annular equipment cabin, utilizes the low-temperature air of large flow in air inlet to cool the hot air from engine.

[0003] When product carries out performance test, test device needs to provide three air (one cold road, two cold road and hot road) to product stably, one cold working flow is large (25000kg / h), and hot road working temperature is high (580 DEG C), product development initial stage, domestic no complete product performance test experimental device, product performance can only be tested by installation, seriously influence product development progress.

[0004] Therefore, it is necessary to provide a set of scientific, effective and practical test device according to product performance parameters and existing conditions, to accurately, conveniently, safely and quickly simulate the performance test of product. SUMMARY

[0005] The utility model aims at providing a kind of annular radiator performance testing device, can accurately, conveniently, safely and quickly simulate the performance test of annular radiator.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A kind of annular radiator performance testing device, comprising:

[0008] One cold air supply system, the one cold air supply system includes fan for air supply, fan is communicated with the one cold import of annular radiator, and second flowmeter, fifth pressure sensor and fifth temperature sensor are sequentially arranged between fan and the one cold import of annular radiator;

[0009] Two cold air supply system, the two cold air supply system includes first compressed gas source for air supply, first compressed gas source and the two cold import of annular radiator sequentially are provided with first flowmeter, first electric regulating valve, first pressure sensor, first temperature sensor, first hand valve, first heater, second pressure sensor, second temperature sensor, third electric regulating valve, third pressure sensor and third temperature sensor between;

[0010] The hot route gas supply system comprises a second compressed gas source for gas supply, and the second compressed gas source is sequentially provided with a third flow meter, a fifth electric regulating valve, a seventh pressure sensor, a seventh temperature sensor, a third hand valve, a third heater, an eighth pressure sensor, an eighth temperature sensor, a seventh electric regulating valve, a ninth pressure sensor and a ninth temperature sensor between the hot route inlet of the ring-shaped heat sink;

[0011] The soundproof chamber is in communication with a cold outlet, a second cold outlet and a hot route outlet of the ring-shaped heat sink, respectively, wherein:

[0012] The soundproof chamber is further sequentially provided with a sixth temperature sensor and a sixth pressure sensor between the cold outlet of the ring-shaped heat sink;

[0013] The soundproof chamber is sequentially provided with a fourth temperature sensor and a fourth pressure sensor between the second cold outlet of the ring-shaped heat sink;

[0014] The soundproof chamber is sequentially provided with a tenth pressure sensor and a tenth temperature sensor between the hot route outlet of the ring-shaped heat sink.

[0015] Further, the ring-shaped heat sink performance testing device further comprises a first bypass pipeline and a second bypass pipeline arranged in the second cold gas supply system, wherein:

[0016] One end of the first bypass pipeline is connected to the rear end of the first flow meter, and the other end is connected between the first electric regulating valve and the first pressure sensor, and the first bypass pipeline is provided with a second electric regulating valve;

[0017] One end of the second bypass pipeline is connected between the first temperature sensor and the first hand valve, and the other end is connected between the first heater and the second pressure sensor, and the second bypass pipeline is provided with a second hand valve and a second heater.

[0018] Further, the nominal diameter of the second electric regulating valve in the first bypass pipeline is smaller than the nominal diameter of the first electric regulating valve.

[0019] Further, the ring-shaped heat sink performance testing device further comprises a third bypass pipeline and a fourth bypass pipeline arranged in the hot route gas supply system, wherein:

[0020] One end of the third bypass pipeline is connected to the rear end of the third flow meter, and the other end is connected between the fifth electric regulating valve and the seventh pressure sensor, and the third bypass pipeline is provided with a sixth electric regulating valve;

[0021] One end of the fourth bypass pipeline is connected between the seventh temperature sensor and the third hand valve, and the other end is connected between the third heater and the eighth pressure sensor, and the fourth bypass pipeline is provided with a fourth hand valve and a fourth heater.

[0022] Further, the nominal diameter of the sixth electric regulating valve in the third bypass pipeline is smaller than the nominal diameter of the fifth electric regulating valve.

[0023] As a solution:

[0024] The flow of normal-temperature air in the cold air supply system is greater than 30000kg / h.

[0025] The temperature of hot air in the second cold air supply system is 100 DEG C, and the flow is greater than or equal to 6000kg / h.

[0026] The temperature of hot air in the hot air supply system is 600 DEG C, and the flow is greater than 3000kg / h.

[0027] Compared with the prior art, the annular radiator performance testing device has the following characteristics:

[0028] 1. The device is designed according to the performance testing requirements of the annular radiator, can simulate the use conditions of the annular radiator, and can meet the high-temperature and large-flow testing requirements of the annular radiator. Meanwhile, it can also meet the performance testing requirements of other air products under the condition of device capacity.

[0029] 2. Three gases (air) flow into the soundproof room for sound reduction after product testing, and the testing process is environmentally friendly.

[0030] 4. The flow of the second cold air and the hot air is adjusted by two electric regulating valves with different pipe diameters (nominal diameters), and the flow adjustment precision is high.

[0031] 5. The second cold air and the hot air select different numbers of heaters (the first heater and the second heater are used alone or simultaneously), which improves the air heating speed and prevents the heater from being damaged due to small flow during testing. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is a schematic view of the annular radiator performance testing device;

[0033] In the figure: 1-first compressed air source, 2-first flow meter, 3-first electric regulating valve, 4-second electric regulating valve, 5-first pressure sensor, 6-first temperature sensor, 7-first manual valve, 8-first heater, 9-second manual valve, 10-second heater, 11-second pressure sensor, 12-second temperature sensor, 13-third electric regulating valve, 14-third pressure sensor, 15-third temperature sensor, 16-fourth pressure sensor, 17-fourth temperature sensor, 18-fourth electric regulating valve, 19-muffler chamber, 20-fan, 21-second flow meter, 22-fifth pressure sensor, 23- Fifth temperature sensor, 24-sixth pressure sensor, 25-sixth temperature sensor, 26-second compressed air source, 27-third flow meter, 28-fifth electric regulating valve, 29-sixth electric regulating valve, 30-seventh pressure sensor, 31-seventh temperature sensor, 32-third manual valve, 33-third heater, 34-fourth manual valve, 35-fourth heater, 36-eighth pressure sensor, 37-eighth temperature sensor, 38-seventh electric regulating valve, 39-ninth temperature sensor, 40-ninth pressure sensor, 41-tenth temperature sensor, 42-tenth pressure sensor, 43-eighth electric regulating valve. DETAILED DESCRIPTION

[0034] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. However, it should not be understood that the scope of the subject matter described in the present invention is limited to the following embodiments. Without departing from the above-mentioned technical ideas of the present invention, various modifications, substitutions and changes made according to common technical knowledge and customary means in the field are included in the scope of the present invention.

[0035] like Figure 1 As shown, a ring radiator performance test device designed by the present invention includes a first cold air supply system, a second cold air supply system, a hot air supply system and a muffler chamber 19, wherein:

[0036] A cold air supply system is supplied by a fan 20. After the air enters the annular radiator through a cold inlet of the annular radiator, it enters the anechoic chamber 19 through a cold outlet of the annular radiator. A second flow meter 21, a fifth pressure sensor 22, and a fifth temperature sensor 23 are sequentially arranged between the fan 20 and the cold inlet of the annular radiator.

[0037] The second cooling air supply system is supplied with air by the first compressed air source 1, and the air enters the annular radiator through the second cooling air inlet of the annular radiator, and then enters the soundproof chamber 19 through the second cooling air outlet of the annular radiator; the first compressed air source 1 and the second cooling air inlet of the annular radiator are sequentially provided with the first flow meter 2, the first electric regulating valve 3, the first pressure sensor 5, the first temperature sensor 6, the first hand valve 7, the first heater 8, the second pressure sensor 11, the second temperature sensor 12, the third electric regulating valve 13, the third pressure sensor 14 and the third temperature sensor 15.

[0038] The second cooling air supply system is supplied with air by the first compressed air source 1, and the air enters the annular radiator through the second cooling air inlet of the annular radiator, and then enters the soundproof chamber 19 through the second cooling air outlet of the annular radiator; the first compressed air source 1 and the second cooling air inlet of the annular radiator are sequentially provided with the first flow meter 2, the first electric regulating valve 3, the first pressure sensor 5, the first temperature sensor 6, the first hand valve 7, the first heater 8, the second pressure sensor 11, the second temperature sensor 12, the third electric regulating valve 13, the third pressure sensor 14 and the third temperature sensor 15.

[0039] One end of the first bypass pipeline is connected to the rear end of the first flow meter 2, and the other end is connected between the first electric regulating valve 3 and the first pressure sensor 5; the first bypass pipeline is provided with the second electric regulating valve 4; the nominal diameter of the second electric regulating valve 4 in the first bypass pipeline is smaller than the nominal diameter of the first electric regulating valve 3.

[0040] One end of the second bypass pipeline is connected between the first temperature sensor 6 and the first hand valve 7, and the other end is connected between the first heater 8 and the second pressure sensor 11; the second bypass pipeline is provided with the second hand valve 9 and the second heater 10.

[0041] The hot air supply system is supplied with air by the second compressed air source 26, and the air enters the annular radiator through the hot air inlet of the annular radiator, and then enters the soundproof chamber 19 through the hot air outlet of the annular radiator. The second compressed air source 26 and the hot air inlet of the annular radiator are sequentially provided with the third flow meter 27, the fifth electric regulating valve 28, the seventh pressure sensor 30, the seventh temperature sensor 31, the third hand valve 32, the third heater 33, the eighth pressure sensor 36, the eighth temperature sensor 37, the seventh electric regulating valve 38, the ninth pressure sensor 40 and the ninth temperature sensor 39.

[0042] The hot air supply system is supplied with air by the second compressed air source 26, and the air enters the annular radiator through the hot air inlet of the annular radiator, and then enters the soundproof chamber 19 through the hot air outlet of the annular radiator. The second compressed air source 26 and the hot air inlet of the annular radiator are sequentially provided with the third flow meter 27, the fifth electric regulating valve 28, the seventh pressure sensor 30, the seventh temperature sensor 31, the third hand valve 32, the third heater 33, the eighth pressure sensor 36, the eighth temperature sensor 37, the seventh electric regulating valve 38, the ninth pressure sensor 40 and the ninth temperature sensor 39.

[0043] One end of the third bypass pipeline is connected to the rear end of the third flow meter 27, and the other end is connected between the fifth electric regulating valve 28 and the seventh pressure sensor 30; the third bypass pipeline is provided with the sixth electric regulating valve 29; the nominal diameter of the sixth electric regulating valve 29 in the third bypass pipeline is smaller than the nominal diameter of the fifth electric regulating valve 28.

[0044] One end of the second bypass pipeline is connected between the seventh temperature sensor 31 and the third hand valve 32, and the other end is connected between the third heater 33 and the eighth pressure sensor 36; the second bypass pipeline is provided with the fourth hand valve 34 and the fourth heater 35.

[0045] The sixth pressure sensor 24 and the sixth temperature sensor 25 are sequentially arranged between the annular radiator and the sound attenuation chamber 19.

[0046] The tenth temperature sensor 41 and the tenth pressure sensor 42 are sequentially arranged between the hot outlet of the annular radiator and the sound attenuation chamber 19.

[0047] The fourth pressure sensor 16 and the fourth temperature sensor 17 are sequentially arranged between the second cold outlet of the annular radiator and the sound attenuation chamber 19.

[0048] Taking a performance test of an annular radiator as an example, the performance test device of the annular radiator is used to test the process as shown in the following figure: Figure 1

[0049] 1. Annular radiator installation:

[0050] According to the figure, the cold path (cold inlet and cold outlet), the second cold path (second cold inlet and second cold outlet), and the hot path (hot inlet and hot outlet) of the annular radiator to be tested are respectively connected to the cold gas supply system, the second cold gas supply system, and the hot path gas supply system of the test device. Figure 1

[0051] 2. Test parameter setting:

[0052] Open the test parameter setting interface and set the parameters as follows:

[0053] Cold flow: 20000±500kg / h;

[0054] Second cold flow: 4500±150kg / h, second cold inlet temperature 90±2℃, second cold inlet pressure 155±5kPa;

[0055] Hot path flow: 1300±65kg / h, hot inlet temperature 580±5℃, hot inlet pressure 760±20kPa;

[0056] 3. Start test:

[0057] Click the start test button to start the test, and the operation process of each system in the device is as follows:

[0058] Cold path start: start the fan 20, slowly increase the number of revolutions of the fan 20, and keep the cold path flow within the range of 20000±500kg / h.

[0059] ​​The second cooling path starts: the system first adjusts the flow through the first electric regulating valve 3 on the main pipeline of the second cooling path (the first electric regulating valve 3), when the flow is close to the target value 4500 kg / h, the second electric regulating valve 4 (the first bypass pipeline) is used for fine adjustment, when the flow is relatively stable, the heater (the first heater 8 and the second heater 10) is started to heat the air, during the heating process, the system measures and adjusts the flow of the second cooling path, when the flow and temperature reach the target range and are stable, the system finally adjusts through the first electric regulating valve 3, the second electric regulating valve 4 and the fourth electric regulating valve 18, so that the inlet pressure of the annular radiator is stabilized in the range of 760±20 kPa.

[0060] The adjustment mode of the hot path is similar to that of the second cooling path, and the adjustment is performed according to the required flow, inlet temperature and inlet pressure.

[0061] Data recording: when each test parameter meets the requirements and is stable (not less than 10 min), the system automatically collects a group of data every 1 min, and the test is completed after collecting 3 groups of data.

[0062] 4. Cooling down and stopping:

[0063] After the test is completed, the system closes each heater, keeps the air supply state to cool down the system, and stops the air supply when the air temperature of the hot path is reduced to 60℃.

[0064] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An annular heat spreader performance testing apparatus, characterized by, The application relates to a cold supply system, a two-cold supply system, a hot path supply system and a soundproof chamber. The cold supply system comprises a fan (20) for supplying air, the fan (20) being communicated with a cold inlet of a ring-shaped radiator, and a second flowmeter (21), a fifth pressure sensor (22) and a fifth temperature sensor (23) being sequentially arranged between the fan (20) and the cold inlet of the ring-shaped radiator. The two-cold supply system comprises a first compressed air source (1) for supplying air, the first compressed air source (1) being sequentially arranged with a first flowmeter (2), a first electric regulating valve (3), a first pressure sensor (5), a first temperature sensor (6), a first hand valve (7), a first heater (8), a second pressure sensor (11), a second temperature sensor (12), a third electric regulating valve (13), a third pressure sensor (14) and a third temperature sensor (15) between the first compressed air source (1) and a two-cold inlet of the ring-shaped radiator. The hot path supply system comprises a second compressed air source (26) for supplying air, the second compressed air source (26) being sequentially arranged with a third flowmeter (27), a fifth electric regulating valve (28), a seventh pressure sensor (30), a seventh temperature sensor (31), a third hand valve (32), a third heater (33), an eighth pressure sensor (36), an eighth temperature sensor (37), a seventh electric regulating valve (38), a ninth pressure sensor (40) and a ninth temperature sensor (39) between the second compressed air source (26) and a hot path inlet of the ring-shaped radiator. The soundproof chamber (19) is communicated with a cold outlet, a two-cold outlet and a hot path outlet of the ring-shaped radiator respectively. The soundproof chamber (19) is sequentially arranged with a sixth temperature sensor (25) and a sixth pressure sensor (24) between the soundproof chamber (19) and the cold outlet of the ring-shaped radiator. The soundproof chamber (19) is sequentially arranged with a fourth temperature sensor (17) and a fourth pressure sensor (16) between the soundproof chamber (19) and the two-cold outlet of the ring-shaped radiator. The soundproof chamber (19) is sequentially arranged with a tenth pressure sensor (42) and a tenth temperature sensor (41) between the soundproof chamber (19) and the hot path outlet of the ring-shaped radiator.

2. The ring-shaped heat sink performance testing device according to claim 1, characterized in that: The first bypass pipeline is connected to the rear end of the first flowmeter (2) at one end and connected to the first electric regulating valve (3) and the first pressure sensor (5) at the other end, and the first bypass pipeline is provided with a second electric regulating valve (4). The second bypass pipeline is connected to the first temperature sensor (6) and the first hand valve (7) at one end and connected to the first heater (8) and the second pressure sensor (11) at the other end, and the second bypass pipeline is provided with a second hand valve (9) and a second heater (10). The nominal diameter of the second electric regulating valve (4) in the first bypass pipeline is smaller than the nominal diameter of the first electric regulating valve (3).

3. The ring heat sink performance testing device of claim 2, wherein: The third bypass pipeline and the fourth bypass pipeline are arranged in the hot path supply system.

4. The ring heat sink performance testing device of claim 1, wherein: ​ The third bypass pipeline has one end connected to the rear end of the third flow meter (27) and the other end connected between the fifth electric regulating valve (28) and the seventh pressure sensor (30), and the third bypass pipeline is provided with the sixth electric regulating valve (29). The fourth bypass pipeline has one end connected between the seventh temperature sensor (31) and the third hand valve (32) and the other end connected between the third heater (33) and the eighth pressure sensor (36), and the fourth bypass pipeline is provided with the fourth hand valve (34) and the fourth heater (35).

5. The ring heat sink performance testing apparatus of claim 4, wherein: The nominal diameter of the sixth electric regulating valve (29) in the third bypass pipeline is smaller than the nominal diameter of the fifth electric regulating valve (28).

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