CN86210993U - Automatic measuring device for dynamic parameter of anemometer - Google Patents
Automatic measuring device for dynamic parameter of anemometer Download PDFInfo
- Publication number
- CN86210993U CN86210993U CN 86210993 CN86210993U CN86210993U CN 86210993 U CN86210993 U CN 86210993U CN 86210993 CN86210993 CN 86210993 CN 86210993 U CN86210993 U CN 86210993U CN 86210993 U CN86210993 U CN 86210993U
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- CN
- China
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- wind
- anemoscope
- direct current
- deep bead
- air velocity
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Abstract
The utility model relates to an automatic measuring device for the dynamic parameter of an anemometer (time and distance constants), which comprises an anemometer, an electric fan, a pressure regulating and stabilizing device, one wind blocking plate fixed to a rotary shaft of a direct current motor, a micro-computer and a signal amplifying device. The utility model which is suitable for the vane or the propeller type wind measuring device, and also is suitable for the gentle wind type wind measuring device is characterized in that the dynamic parameters of the wind speed can be automatically displayed when the step of the wind speed ascends or descends, and the measurement of the parameter in the wind tunnel can be simulated in a broad room.
Description
A kind of automatic testing equipment that relates to the dynamic parameter of anemoscope.
The utility model belongs to the test to meteorological apparatus.
The dynamic parameter of anemoscope (time constant, distance constant) is the key technical indexes of reflection anemoscope to wind speed change dynamics response characteristic, is the important factor of analysis and definite measuring wind speed deviation.Therefore be one of vital problem in the meteorologic instrument parameter testing field." measuring the standard method of cup anemometer and propeller anemometer performance " (referring to " meteorological hydrology oceanographic instrumentation " 1-2 phase in 1984) that use at prior art such as American National weather office Stirling research and development center, only can be suitable in the wind-tunnel, and need manual control and deal with data, operation is trouble, and reading is not directly perceived again.On test performance, the time constant of the anemoscope when also only limiting to test the rising of wind speed step, and the dynamic parameter that can't test the anemoscope of breeze type.
The purpose of this utility model is to overcome above shortcoming, and a kind of proving installation that can both automatically carry out the anemoscope dynamic parameter to the anemoscope with analog quantity or pulsed frequency measurement wind signal is provided.
As another purpose, this device can be simulated wind-tunnel in open room, reaches the effect of obtaining the anemoscope dynamic parameter automatically.
For the ease of understanding, narrate its basic test simply and how to realize being necessary.For carrying out the test of stable time constant, the timing of time constant is to sense wind speed V from air velocity transducer usually
1The wind speed of the current stabilization field that=0.3V(V produces for the electric fan of at the uniform velocity rotation) in time, pick up counting, to V
2Stop timing during=0.74V, (V
2The time interval of=(V-0.3V) * 63%+0.3V=0.74V) this section wind speed variation is exactly the time constant T of tested anemoscope, and distance constant is L=V.T.
Desire is surveyed T and L, the steady air flow speed V that then air velocity transducer is placed electric fan to produce, and this also is the displayed value of anemoscope.Control a deep bead effectively, this air-flow is covered, when the displayed value of anemoscope is zero, control the rapid whiz of the deep bead position of becalming again, make air velocity transducer experience the speed stabilizing air-flow that produces in electric fan again, can read by the anemoscope display when air velocity transducer is induced to this value of 0.3V() time, this moment, central controller picked up counting.When this air velocity transducer was sensed 0.74V, central controller then stopped timing, and demonstrate that this anemoscope records by lasting the time in 0.3V to the 0.74V wind speed step change procedure.This lasts the time and is the time constant of tested anemoscope.Consider the random deviation that reduces in the test, can carry out automatically (or manual) repeatedly repeated test above-mentioned test process, and by central controller to repeatedly repeated test results averaged, and demonstrate at last through average time constant and distance constant value.
Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof.
Description of drawings:
Fig. 1 is the block scheme of the automatic testing equipment of anemoscope dynamic parameter.
Fig. 2 is a deep bead framed structure front elevation.
1, pressure regulation stabilising arrangement; 2, electric fan; 3, deep bead; 4, direct current generator; 5, air velocity transducer; 6, anemoscope; 7, exchange multiplying arrangement; 8, control actuating unit; 9, central control unit; 10, tape recorder; 11, plate handle; 12, square support; 13, aperture; 14, support bar.
As shown in Figure 1, this device is formed by following nine unit constructions: a voltage stabilization and regulation device (1) is used for stablizing the 220V civil power, and supplies with required alternating voltage; An electric fan (2) is subjected to the adjusting of voltage stabilization and regulation device (1), can change the size of wind speed, in case determine a certain burning voltage, just can produce a steady air flow field; The deep bead (3) of a device in direct current generator (4) rotating shaft, this deep bead (3) is placed between electric fan (2) and the air velocity transducer (5).Its mask that keeps out the wind has suitable yardstick, a direct current generator (4) that is electrically connected with control actuating unit (8); Control actuating unit (8), the input termination is from the output control information of central control unit (9); Direct current generator (4) is then controlled in its output; An anemoscope (6), it has an air velocity transducer (5) and shows the display of wind speed, this anemoscope (6) is tested weather instrument, the current stabilization field that its air velocity transducer (5) places above-mentioned electric fan (2) to produce, and can keep out the wind effectively or leak informaton during the controlled rotation of above-mentioned deep bead (3), one can be amplified the simulating signal of anemoscope (6) output or the interchange multiplying arrangement (7) of frequency signal respectively, the input of this device is connected with the input of the display of anemoscope, a central control unit (9), receive that above-mentioned interchange multiplying arrangement (7) amplifies and the wind velocity signal of shaping, automatically carry out data processing and show measurement result, and the output control information drives deep bead (3) and keeps out the wind or leak informaton to controlling actuating unit (8) control direct current generator (4); The storage or the tape recorder (10) of input test routine, and can write down the data that central control unit (9) is tested.
The utility model of finishing according to Fig. 1 setting is a full-automatic testing device, and central control unit (9) is a microcomputer, it with exchange multiplying arrangement (7), control actuating unit (8) and tape recorder (10) dock.Above-mentioned microcomputer (9) is general TP-801B type (Z80-CPU) single card microcomputer.This machine has 8KRAM, and 2K monitors (ROM), and a slice PIO and a slice CTC chip with 6 LED character display, have 16 to advance keyboard.Above-mentioned tape recorder (10) is a cassette recorder, with this sound-track engraving apparatus input test routine.In addition, the manual control of this proving installation also is indispensable, and it is convenient to operating personnel and adjusts deep bead (3) and be in the best position of keeping out the wind.
Above-mentioned deep bead (3) is to be securely fixed on the quadra with a cardboard, this framework light weight, firm and not yielding, available five-ply board or aluminum metal bar are made, the area requirements of keeping out the wind of deep bead (2) is enough big, when becalming, be advisable fully covering air velocity transducer fully.
To various anemoscopes (vane type, propeller type, breeze type), no matter be that the wind speed step is risen or the test of the time constant of step when descending, all be in the speed stabilizing airflow field that electric fan (2) is produced, to carry out.In test, can make electric fan produce desired different gas velocity value, but the stability of each gas velocity is very necessary.In addition, should note the normal position that air velocity transducer is installed, be that its revolving shaft and airflow direction are the straight state of aluminium to the vane anemoscope, is that revolving shaft is consistent with airflow direction to the propeller anemoscope.
No matter should also be noted that the time constant T that tests which kind of mode, program composition personnel or operating personnel should be input in the microcomputer earlier with the testing time of each minute constant.This is that measured value may have bigger random deviation because if only carry out once single test.For this reason, the measured value number of times of time constant T is generally got ten times for good.
People can give computer process, and its mode is that simulation obtains the situation that time constant is measured, and the function of general test program is to finish the data acquisition of giving fixed repeated test number of times automatically continuously; Control deep bead (3) keeps out the wind automatically by certain delay procedure or leak informaton (delay time can give and put number earlier according to test request) in the time control program; The time constant value that automatic demonstration records at every turn; Carry out data processing, promptly the time constant that repeatedly repeats to record is asked arithmetic mean and computed range constant L; And the mean value and the distance constant value that show the time constant of whole repeated test gained with LED at last.
By top narration, the utility model has the advantages that apparent, this testing arrangement can be measured automatically to the time constant of various anemobiagraphs, and the dynamic parameter for different anemobiagraphs can be tested by the program of having finished substantially, and the precision of its time constant can reach Millisecond.
Claims (4)
1, to meteorological apparatus--the time constant of anemoscope and the device that distance constant carries out the automatic or manual test is characterized in that it is to be made of following unit construction:
A, an anemoscope [6] that has air velocity transducer [5] and display,
B, AC voltage-stabilizing and regulator [1],
C, one be by above-mentioned voltage stabilization and regulation device [1] control, and with the electric fan [2] of rotation at the uniform velocity,
D, a deep bead [3] that is fixed in direct current generator [4] rotating shaft, this deep bead [3] places between electric fan [2] and the air velocity transducer [5],
E, a direct current generator [4] that is electrically connected with control actuating unit [8],
F, a control actuating unit [8] make direct current generator [4] running or stall by central control unit [9] by control actuating unit [8],
G, one can amplify the simulating signal of anemoscope [6] output or the interchange multiplying arrangement [7] of frequency signal respectively, and the input of this device is connected with the input end of the display of anemoscope, and its output links to each other with central control unit [9].
H, a central control unit [9] receive the wind velocity signal value that above-mentioned interchange multiplying arrangement [7] records, and carry out data processing, demonstration automatically, and the output control information drives deep bead [3] and keeps out the wind or leak informaton to controlling actuating unit [8] control direct current generator [4].
I, storage or the tape recorder [10] of input test routine.
2, automatic testing equipment according to claim 1 is characterized in that the covering of the fan diameter of electric fan (2) should be greater than the radial dimension of air velocity transducer (5).
3, automatic testing equipment according to claim 1 is characterized in that above-mentioned central control unit (9) is a microcomputer.
4, automatic testing equipment according to claim 1 is characterized in that the area yardstick of deep bead (3) is enough big, can all cover air velocity transducer (5) when becalming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86210993 CN86210993U (en) | 1986-12-31 | 1986-12-31 | Automatic measuring device for dynamic parameter of anemometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86210993 CN86210993U (en) | 1986-12-31 | 1986-12-31 | Automatic measuring device for dynamic parameter of anemometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86210993U true CN86210993U (en) | 1987-12-12 |
Family
ID=4812568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86210993 Ceased CN86210993U (en) | 1986-12-31 | 1986-12-31 | Automatic measuring device for dynamic parameter of anemometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86210993U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465647C (en) * | 2007-02-23 | 2009-03-04 | 成都市宇中梅科技有限责任公司 | wind-velocity indicator |
| CN100578231C (en) * | 2006-12-28 | 2010-01-06 | 山东省科学院海洋仪器仪表研究所 | Wind analog device |
| CN105626381A (en) * | 2015-12-24 | 2016-06-01 | 无锡信大气象传感网科技有限公司 | Domestic small wind power generation apparatus |
-
1986
- 1986-12-31 CN CN 86210993 patent/CN86210993U/en not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100578231C (en) * | 2006-12-28 | 2010-01-06 | 山东省科学院海洋仪器仪表研究所 | Wind analog device |
| CN100465647C (en) * | 2007-02-23 | 2009-03-04 | 成都市宇中梅科技有限责任公司 | wind-velocity indicator |
| CN105626381A (en) * | 2015-12-24 | 2016-06-01 | 无锡信大气象传感网科技有限公司 | Domestic small wind power generation apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |