CN209878263U - Tornado and downburst two-in-one simulator - Google Patents
Tornado and downburst two-in-one simulator Download PDFInfo
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- CN209878263U CN209878263U CN201920752849.2U CN201920752849U CN209878263U CN 209878263 U CN209878263 U CN 209878263U CN 201920752849 U CN201920752849 U CN 201920752849U CN 209878263 U CN209878263 U CN 209878263U
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Abstract
A tornado and downburst two-in-one simulation device comprises a central air duct, a first guide air duct and a second guide air duct, wherein a simulation fan is arranged in the central air duct; the air inlet end of the first guide air channel is communicated with the air outlet end of the simulation fan, the air outlet end of the first guide air channel is communicated with the air inlet end of the simulation fan, and a first valve is arranged between the air inlet end of the first guide air channel and the air outlet end of the simulation fan; the air inlet end of the second guide air duct is communicated with the air outlet end of the simulation fan, and a second valve is arranged between the air inlet end of the second guide air duct and the air outlet end of the simulation fan; a second air inlet channel is arranged on the central air channel and is positioned between the air inlet end of the simulation fan and the air outlet end of the first diversion air channel, and a third valve is arranged on the second air inlet channel; and a fourth valve positioned between the second air inlet channel and the air outlet end of the first diversion air channel is arranged on the central air channel. The utility model also discloses an adopt as above the simulation method of two unification analogue means of tornado, downbeat torrential flow.
Description
Technical Field
The utility model relates to a simulator device, specific be a tornado, downbeat two unification analogue means of torrential flow.
Background
Chinese patent publication No. CN106918439B discloses a tornado simulator based on wind tunnel, mainly comprising a wind tunnel, a wind tower, a guide plate, a motor, a fairing, a fan rotor, a honeycomb device and a lifting platform; the wind tower is integrally of a barrel structure and is arranged on the outer side of the upper wall of the wind tunnel experiment section; the wind tower mainly comprises a rectifying device and a flow guide device; the fairing comprises a fairing and a honeycomb device; a motor and a fan rotor are arranged in the fairing; the flow guide device is mainly a flow guide plate for generating a vortex wind field; the honeycomb device is used for rectifying and is parallel to the axis of the motor; the elevating platform is arranged between the upper and lower tunnel walls of the wind tunnel experimental section.
Chinese patent application publication No. CN107655656A discloses a downburst simulation apparatus, comprising: the device comprises a compressed air tank, a support frame, a buffer mechanism and test equipment; the compressed air tank is fixed above the ground through the support frame; the air outlet end of the compressed air tank is downward and vertical to the ground; the first end of the buffer mechanism is connected with one end of the compressed air tank far away from the air outlet end, and the second end of the buffer mechanism is connected with the support frame and used for relieving the recoil generated when the compressed air tank releases air; the test equipment is arranged between the air outlet end of the compressed air tank and the ground.
That is, in the prior art, both the tornado simulator and the downburst simulator can only simulate tornado and downburst independently. When a downburst is required to be simulated after tornado simulation in a wind tunnel test, a tornado simulator needs to be detached and replaced by a downburst simulator, so that the test interval is lengthened, and the operation is complicated; if a tornado simulator and a downburst simulator are installed in the wind tunnel test device at the same time, the investment cost is increased.
Disclosure of Invention
In view of this, an object of the present invention is to provide a tornado and downburst two-in-one simulation device, which can simulate both tornado and downburst.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a tornado and downburst two-in-one simulation device comprises a central air duct, a first guide air duct and a second guide air duct, wherein a simulation fan is arranged in the central air duct;
the air inlet end of the first guide air channel is communicated with the air outlet end of the simulation fan, the air outlet end of the first guide air channel is communicated with the air inlet end of the simulation fan, and a first valve is arranged between the air inlet end of the first guide air channel and the air outlet end of the simulation fan;
the air inlet end of the second guide air channel is communicated with the air outlet end of the simulation fan, and a second valve is arranged between the air inlet end of the second guide air channel and the air outlet end of the simulation fan; the air outlet end of the second diversion air duct is arranged around one end of the central air duct, which is back to the air outlet end of the simulation fan, or the air outlet end of the second diversion air duct is provided with an annular air outlet which is covered outside one end of the central air duct, which is back to the air outlet end of the simulation fan;
a second air inlet channel is arranged on the central air channel and is positioned between the air inlet end of the simulation fan and the air outlet end of the first diversion air channel, and a third valve is arranged on the second air inlet channel;
and a fourth valve positioned between the second air inlet channel and the air outlet end of the first diversion air channel is arranged on the central air channel.
Further, the first guide air duct is located between the central air duct and the second guide air duct.
Furthermore, the air outlet end of the first diversion air duct is provided with a fifth valve.
Furthermore, the number of the first guide air ducts is at least two, and the first guide air ducts are annularly and uniformly distributed by taking the axis of the central air duct as a central line.
Furthermore, the air outlet ends of the second diversion air ducts are annularly and uniformly distributed on the periphery of the central air duct, or the annular air outlet and the central air duct are coaxially arranged.
Furthermore, the axis of the central air duct is positioned in the vertical direction, the air outlet end of the simulation fan is positioned above the air inlet end of the simulation fan, and the lowest end of the central air duct is provided with a honeycomb device.
Furthermore, the second air inlet channels are uniformly distributed in an annular shape relative to the axis of the central air duct.
Furthermore, the corners of the central air duct, the first guide air duct and the second guide air duct are respectively provided with a guide plate.
Further, the simulation fan comprises a motor and an impeller arranged on an output shaft of the motor; and a flow guide cover is also arranged outside the motor.
The beneficial effects of the utility model reside in that:
the utility model discloses a tornado, downbeat torrent two-in-one analogue means, through setting up central wind channel, first water conservancy diversion wind channel and second water conservancy diversion wind channel, close first water conservancy diversion wind channel and second air inlet channel and open the second and imitate the wind channel, can imitate the tornado; closing the second diversion air channel, and opening the first diversion air channel and the second air inlet channel, namely simulating downburst flow; namely, the utility model discloses a two unification analogue means of tornado, downbeat torrential flow both can simulate tornado, also can simulate downbeat torrential flow.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
fig. 1 is a schematic structural diagram of an embodiment of the tornado and downburst two-in-one simulation apparatus of the present invention.
Description of reference numerals:
1-a central air duct; 2-a first diversion air duct; 3-a second diversion air duct; 4-a first valve; 5-a second valve; 6-a second air inlet channel; 7-a third valve; 8-a fourth valve; 9-a fifth valve; 10-a honeycomb device; 11-a motor; 12-an impeller; 13-a dome; 14-a baffle.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, it is a schematic structural diagram of an embodiment of the simulation apparatus for simulating tornado and downburst of storm according to the present invention. The tornado and downburst two-in-one simulation device comprises a central air duct 1, a first guide air duct 2 and a second guide air duct 3, wherein a simulation fan is arranged in the central air duct 1. Specifically, the first guide air duct 2 of the present embodiment is located between the central air duct 1 and the second guide air duct 3. The simulation fan of the embodiment comprises a motor 11 and an impeller 12 arranged on an output shaft of the motor 11; a flow guide cover 13 is arranged outside the motor 11.
The air inlet end of the first diversion air duct 2 of this embodiment is communicated with the air outlet end of the simulation fan, the air outlet end of the first diversion air duct 2 is communicated with the air inlet end of the simulation fan, and a first valve 4 is arranged between the air inlet end of the first diversion air duct 2 and the air outlet end of the simulation fan. Preferably, the first guide air duct 2 is annularly and uniformly distributed by taking the axis of the central air duct 1 as a central line and is at least two, and the first guide air duct 2 of the embodiment is annularly and uniformly distributed by taking the axis of the central air duct 1 as a central line and is at least 4, so that the resistance can be reduced by effectively dispersing air flow, and the air flow distribution is more uniform. The air outlet end of the first guide air duct 2 of this embodiment is provided with the fifth valve 9, which can prevent the first guide air duct 2 from affecting the air flow in the central air duct 1.
In the embodiment, the air inlet end of the second diversion air channel 3 is communicated with the air outlet end of the simulation fan, and a second valve 5 is arranged between the air inlet end of the second diversion air channel 3 and the air outlet end of the simulation fan; the air outlet end of the second diversion air duct 3 is arranged around the end, back to the air outlet end of the simulation fan, of the central air duct 1, or the air outlet end of the second diversion air duct 3 is provided with an annular air outlet which is covered outside the end, back to the air outlet end of the simulation fan, of the central air duct 1. Specifically, the air outlet ends of the second diversion air ducts 3 are annularly and uniformly distributed around the central air duct 1, or the annular air outlet and the central air duct 1 are coaxially arranged. The air outlet end of the second diversion air duct 3 of this embodiment is provided with an annular air outlet.
The central air duct 1 is provided with a second air inlet channel 6 between the air inlet end of the simulation fan and the air outlet end of the first diversion air duct 2, and the second air inlet channel 6 is provided with a third valve 7. Preferably, the second air inlet channels 6 are uniformly distributed in a ring shape relative to the axis of the central air duct 1, so that the distribution of the air inlet flow is more uniform.
The central air duct 1 is provided with a fourth valve 8 located between the second air inlet channel 6 and the air outlet end of the first diversion air duct 2. The axis of the central air duct 1 of this embodiment is located the vertical direction, and the air-out end of the simulation fan is located the top of its air inlet end, and the lowermost end of the central air duct 1 is equipped with the honeycomb device 10. Preferably, the corners of the central air duct 1, the first guide air duct 2 and the second guide air duct 3 are respectively provided with a guide plate 14 for guiding air flow.
The following describes in detail a technical solution of a simulation method using the tornado and downburst two-in-one simulation apparatus of the present embodiment.
The simulation method of the tornado and downburst two-in-one simulation device in the embodiment includes a tornado simulation method and a downburst simulation method.
Specifically, the tornado simulation method comprises the following steps: closing the first valve 4 and the third valve 7, opening the second valve 5 and the fourth valve 8, starting the simulation fan, enabling airflow to enter the simulation fan from one end of the central air duct 1 back to the air outlet end of the simulation fan, discharging the airflow through the second airflow air duct 3 after the airflow passes through the simulation fan, enabling the airflow discharged through the second airflow air duct 3 to enter the simulation fan through one end of the central air duct 1 back to the air outlet end of the simulation fan, forming airflow circulation, and forming simulated tornado at one end of the central air duct 1 back to the air outlet end of the simulation fan;
the method for simulating downburst comprises the following steps: and closing the second valve 5 and the fourth valve 8, opening the first valve 4 and the third valve 7, starting the simulation fan, enabling the airflow to enter the air inlet end of the simulation fan from the second air inlet channel 6, enabling the airflow to enter the first guide air duct 2 through the simulation fan, and enabling the airflow in the first guide air duct 2 to flow back to one end of the central air duct 1 back to the air outlet end of the simulation fan again to form simulated downburst flow.
According to the tornado and downburst two-in-one simulation device, the central air channel, the first guide air channel and the second guide air channel are arranged, the first guide air channel and the second air inlet channel are closed, and the second simulation air channel is opened, so that tornado can be simulated; closing the second diversion air channel, and opening the first diversion air channel and the second air inlet channel, namely simulating downburst flow; namely, the utility model discloses a two unification analogue means of tornado, downbeat torrential flow both can simulate tornado, also can simulate downbeat torrential flow.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (9)
1. The utility model provides a tornado, two unification analogue means of downbeat torrential flow which characterized in that: the device comprises a central air duct (1), a first guide air duct (2) and a second guide air duct (3), wherein a simulation fan is arranged in the central air duct (1);
the air inlet end of the first diversion air channel (2) is communicated with the air outlet end of the simulation fan, the air outlet end of the first diversion air channel (2) is communicated with the air inlet end of the simulation fan, and a first valve (4) is arranged between the air inlet end of the first diversion air channel (2) and the air outlet end of the simulation fan;
the air inlet end of the second diversion air channel (3) is communicated with the air outlet end of the simulation fan, and a second valve (5) is arranged between the air inlet end of the second diversion air channel (3) and the air outlet end of the simulation fan; the air outlet end of the second diversion air duct (3) is arranged around one end of the central air duct (1) back to the air outlet end of the simulation fan, or the air outlet end of the second diversion air duct (3) is provided with an annular air outlet which is covered outside one end of the central air duct (1) back to the air outlet end of the simulation fan;
a second air inlet channel (6) positioned between the air inlet end of the simulation fan and the air outlet end of the first diversion air channel (2) is arranged on the central air channel (1), and a third valve (7) is arranged on the second air inlet channel (6);
and a fourth valve (8) positioned between the second air inlet channel (6) and the air outlet end of the first diversion air channel (2) is arranged on the central air channel (1).
2. The tornado downburst two-in-one simulation device of claim 1, wherein: the first guide air duct (2) is located between the central air duct (1) and the second guide air duct (3).
3. The tornado downburst two-in-one simulation device of claim 1, wherein: and a fifth valve (9) is arranged at the air outlet end of the first diversion air duct (2).
4. The tornado downburst two-in-one simulation device of claim 1, wherein: the number of the first guide air ducts (2) is at least two, and the first guide air ducts are annularly and uniformly distributed by taking the axis of the central air duct (1) as a central line.
5. The tornado downburst two-in-one simulation device of claim 1, wherein: the air outlet ends of the second diversion air ducts (3) are annularly and uniformly distributed on the periphery of the central air duct (1), or the annular air outlet and the central air duct (1) are coaxially arranged.
6. The tornado downburst two-in-one simulation device of claim 1, wherein: the axis of the central air duct (1) is located in the vertical direction, the air outlet end of the simulation fan is located above the air inlet end of the simulation fan, and the lowest end of the central air duct (1) is provided with a honeycomb device (10).
7. The tornado downburst two-in-one simulation device of claim 1, wherein: the second air inlet channels (6) are uniformly distributed in an annular shape relative to the axis of the central air duct (1).
8. The tornado downburst two-in-one simulation device of claim 1, wherein: and the corners of the central air duct (1), the first guide air duct (2) and the second guide air duct (3) are respectively provided with a guide plate (14).
9. A tornado downburst two-in-one simulator according to any one of claims 1 to 8, wherein: the simulation fan comprises a motor (11) and an impeller (12) arranged on an output shaft of the motor (11); and a flow guide cover (13) is arranged outside the motor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920752849.2U CN209878263U (en) | 2019-05-23 | 2019-05-23 | Tornado and downburst two-in-one simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920752849.2U CN209878263U (en) | 2019-05-23 | 2019-05-23 | Tornado and downburst two-in-one simulator |
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| Publication Number | Publication Date |
|---|---|
| CN209878263U true CN209878263U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920752849.2U Expired - Fee Related CN209878263U (en) | 2019-05-23 | 2019-05-23 | Tornado and downburst two-in-one simulator |
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| Country | Link |
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| CN (1) | CN209878263U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006623A (en) * | 2019-05-23 | 2019-07-12 | 重庆大学 | The two-in-one simulator of cyclone, downburst and its analogy method |
-
2019
- 2019-05-23 CN CN201920752849.2U patent/CN209878263U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006623A (en) * | 2019-05-23 | 2019-07-12 | 重庆大学 | The two-in-one simulator of cyclone, downburst and its analogy method |
| CN110006623B (en) * | 2019-05-23 | 2024-02-02 | 重庆大学 | Tornado and downburst two-in-one simulation device and simulation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20200523 |