CN203688579U - Anemometer - Google Patents
Anemometer Download PDFInfo
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- CN203688579U CN203688579U CN201420058726.6U CN201420058726U CN203688579U CN 203688579 U CN203688579 U CN 203688579U CN 201420058726 U CN201420058726 U CN 201420058726U CN 203688579 U CN203688579 U CN 203688579U
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- ultrasonic pulse
- circuit
- wind gage
- pedestal
- wind
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Abstract
The utility model discloses an anemometer, comprising an anemometer seat body, a cavity arranged in the anemometer seat body, a circuit board installed in the cavity, a main control module arranged on the circuit board, an ultrasonic pulse emission circuit, an ultrasonic pulse reception circuit, a PET heating film installed above the cavity and connected with the main control module, an ultrasonic pulse emission probe, an ultrasonic pulse reception probe, an upper cover and an elevating device, wherein the ultrasonic pulse emission circuit and the ultrasonic pulse reception circuit are connected with the main control module, the ultrasonic pulse emission probe and the ultrasonic pulse reception probe are installed at a top part of the anemometer seat body and connected with the ultrasonic pulse emission circuit and the ultrasonic pulse reception circuit respectively, the upper cover detachably sleeves at an upper part of the anemometer seat body, and the elevating device is installed at a bottom part of the anemometer seat body and used for adjusting the height of the anemometer seat body. The anemometer is advantaged by being simple in structure and convenient to carry, and capable of operating in a low-temperature severe environment for a long time.
Description
Technical field
The utility model relates to measuring wind speed technical field, particularly a kind of wind gage.
Background technology
The test of the test that wind speed test has a mean wind speed and turbulent composition (the sinuous flow 1-150KHz of wind, with change different).The method of existing test mean wind speed has hot type, ultrasonic formula, vane type and skin dragging tube type etc., the assay method of these wind speed is done to explanation once below: 1, hot type wind speed method of testing, which is the resistance variations that test produces when cooling because of wind in "on" position lower sensor, test thus wind speed, it can not draw the information of wind direction.Except carry easy and convenient, cost-performance, than high, is used widely as the standardized product of wind gage.The sub-prime of hot type wind gage has the platinum line of use, electroheat pair, semi-conductive.2, ultrasonic formula wind speed method of testing, which is the ultrasonic time that test transmits certain distance, because the impact of wind makes time delay of arrival, tests thus wind speed, its measuring accuracy is higher.3, vane type wind speed method of testing, which is the principle of application windmill, by the revolution of test impeller, test wind speed, is usually used in meteorological observation etc., and its principle is fairly simple, the low price of wind gage, but measuring accuracy is lower, is not suitable for the test of gentle breeze speed and the test that tiny wind speed changes.4, skin dragging tube type wind speed method of testing, the method is to have in the front of flow surface the aperture that forms with it right angle orientation, inside keeps the tubule that extracts respectively pressure from hole separately.By testing its pressure differential (the former is that total head, the latter are static pressure), just can know wind speed, its principle is fairly simple, low price, but must be arranged to right angle with flow surface, otherwise can not carry out correct test.The wind speed of Chang Zuowei high-speed domain is proofreaied and correct to use.
At present, there is following problem in the ultrasonic formula wind gage adopting: 1, more complicated structurally, carry very inconvenient, 2, ultrasonic formula wind gage easily damages while work for a long time at low temperatures, limited greatly applying of ultrasonic formula wind gage.Therefore, be necessary to design a kind of wind gage of new structure.
Utility model content
The purpose of this utility model is, for having complex structure in prior art, carrying inconvenient technical matters, to provide a kind of wind gage.
In order to solve problem set forth above, the technical solution adopted in the utility model is: wind gage, comprise wind gage pedestal, be located at the cavity in wind gage pedestal, be installed on the circuit board in cavity, be installed on the main control module on circuit board, and the ultrasonic pulse radiating circuit being connected with main control module and ultrasonic pulse receiving circuit, the PET heating film that is installed on cavity upper end and is connected with main control module, the ultrasonic pulse transmitting probe and the ultrasonic pulse receiving transducer that are installed on wind gage pedestal top and are connected with ultrasonic pulse radiating circuit and ultrasonic pulse receiving circuit respectively, the detachable upper cover that is sheathed on wind gage pedestal top, and be installed on wind gage pedestal bottom for regulating the jacking gear of wind gage pedestal height.
According to a preferred embodiment of the present utility model: be threaded connection between the inwall of described upper cover and the outer wall of wind gage pedestal.
According to a preferred embodiment of the present utility model: described jacking gear comprises the lifting guide cavity of being located on wind gage pedestal, and with the elevating lever of lifting guide cavity threaded engagement.
According to a preferred embodiment of the present utility model: described ultrasonic pulse radiating circuit comprises the first to the 3rd resistance, the first and second triodes, metal-oxide-semiconductor, pulse transformer and the first electric capacity, one end of described the first resistance is connected with the output terminal of main control module, the other end is connected with the base stage of the first and second triodes, the emitter of described the first and second triodes is connected with the source electrode of metal-oxide-semiconductor after being connected, the collector of described the first triode is connected with+5V power supply, the grounded collector of described the second triode; The grounded-grid of described metal-oxide-semiconductor, drain electrode is connected with input end one side of pulse transformer, one end ground connection of described the first electric capacity, and the other end is connected with the input end opposite side of pulse transformer, described second resistance one end connection+5V power supply, the other end is connected with the input end opposite side of pulse transformer; The output terminal of described pulse transformer is connected with ultrasonic pulse transmitting probe, and described the 3rd resistance is connected in parallel on the output terminal of pulse transformer.
According to a preferred embodiment of the present utility model: described ultrasonic pulse receiving circuit comprises the first order amplifying circuit, second level amplifying circuit, filtering circuit and the comparator circuit that connect successively, and the output terminal of described comparator circuit is connected with ultrasonic pulse receiving transducer.
Compared with prior art, the beneficial effects of the utility model are: 1, the utility model is simple in structure, adopt upper cover and jacking gear can make carrying of wind gage convenient, and be provided with the cavity for mounting parts in inside, reduced the volume of whole wind gage; 2, adopt PET heating film, can make wind gage in the situation that of low temperature, work for a long time, widened its usable range and extended serviceable life.
Accompanying drawing explanation
Fig. 1 is the structural representation of wind gage of the present utility model.
Fig. 2 is the schematic block circuit diagram of wind gage of the present utility model.
Fig. 3 is the circuit diagram of ultrasonic pulse radiating circuit in wind gage of the present utility model.
Fig. 4 is the circuit diagram of ultrasonic pulse receiving circuit in wind gage of the present utility model.
Description of reference numerals: 1, wind gage pedestal, 2, ultrasonic pulse radiating circuit, 3, ultrasonic pulse transmitting probe, 4, PET heating film, 5, main control module, 6, ultrasonic pulse receiving transducer, 7, ultrasonic pulse receiving circuit, 8, circuit board, 9, cavity, 10, lifting guide cavity, 11, elevating lever, 12, upper cover.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Consult shown in Fig. 1 and Fig. 2, the utility model provides a kind of wind gage, comprise wind gage pedestal 1, be located at the cavity 9 in wind gage pedestal 1, be installed on the circuit board 8 in cavity 9, be installed on the main control module 5 on circuit board 8, and the ultrasonic pulse radiating circuit 2 and the ultrasonic pulse receiving circuit 7 that are connected with main control module 5, the PET heating film 4 that is installed on cavity 9 upper ends and is connected with main control module 5, the ultrasonic pulse transmitting probe 3 and the ultrasonic pulse receiving transducer 6 that are installed on wind gage pedestal 1 top and are connected with ultrasonic pulse radiating circuit 2 and ultrasonic pulse receiving circuit 7 respectively, the detachable upper cover 12 that is sheathed on wind gage pedestal 1 top, and be installed on wind gage pedestal 1 bottom for regulating the jacking gear of wind gage pedestal 1 height.
The main control module 5 adopting in the present embodiment is generally selected DSP or MCU chip.
Concrete, between the inwall of the upper cover 12 in the utility model and the outer wall of wind gage pedestal 1, be threaded connection, namely can be by screwing and unscrewing upper cover 12 and can make wind gage pedestal 1 be connected or separation with upper cover 12, so that its state in inoperative or work.
Concrete, jacking gear in the utility model comprises the lifting guide cavity 10 of being located on wind gage pedestal 1, and with the elevating lever 11 of lifting guide cavity 10 threaded engagement, in the time not using, elevating lever 11 can be screwed in lifting guide cavity 10, to reduce the volume of whole wind gage, and in use, elevating lever 11 can be unscrewed, and elevating lever 11 is fixed on outside part.
Consult shown in Fig. 3, described ultrasonic pulse radiating circuit 2 comprises the first to the 3rd resistance R 1-R3, the first and second triode (Q1, Q2), metal-oxide-semiconductor Q3, pulse transformer T1 and the first capacitor C 1, one end of described the first resistance R 1 is connected with the output terminal of main control module 5, the other end and the first and second triode (Q1, Q2) base stage connects, described the first and second triode (Q1, Q2) emitter is connected with the source electrode of metal-oxide-semiconductor Q3 after being connected, the collector of described the first triode Q1 is connected with+5V power supply, the grounded collector of described the second triode Q2, the grounded-grid of described metal-oxide-semiconductor Q3, drain electrode is connected with input end one side of pulse transformer T1, one end ground connection of described the first capacitor C 1, the other end is connected with the input end opposite side of pulse transformer T1, described second resistance R 2 one end connection+5V power supplys, the other end is connected with the input end opposite side of pulse transformer T1, the output terminal of described pulse transformer T1 is connected with ultrasonic pulse transmitting probe 3, and described the 3rd resistance R 3 is connected in parallel on the output terminal of pulse transformer T1.Its principle of work is: main control module 5 is exported in the push-pull amplifier circuit of square-wave pulse signal to the first resistance R 1, the first and second triodes (Q1, Q2) composition, and with the output signal control metal-oxide-semiconductor Q3 of push-pull amplifier circuit, again pulse signal is added to the two ends of pulse transformer T1 and carry out power amplification, finally add the pulse signal of amplification to produce certain frequency on ultrasonic pulse transmitting probe 3 ultrasound wave.
Consult shown in Fig. 4, described ultrasonic pulse receiving circuit 7 comprises the first order amplifying circuit, second level amplifying circuit, filtering circuit and the comparator circuit that connect successively, and the output terminal of described comparator circuit is connected with ultrasonic pulse receiving transducer 6.Wherein, first order amplifying circuit comprises, resistance R 4, resistance R 5, capacitor C 2, resistance R 6, resistance R 7, resistance R 8 and amplifier U1A, second level amplifying circuit comprise capacitor C 3, resistance R 9, resistance R 10, resistance R 11 and amplifier U1B, filtering circuit comprises capacitor C 4, resistance R 12, resistance R 13, resistance R 14, resistance R 15 and amplifier U2A, and comparator circuit comprises capacitor C 5, capacitor C 6, resistance R 16, resistance R 17 and comparer U3A, its principle of work is: the signal that ultrasonic pulse receiving transducer 6 receives is removed " impurity " by filtering circuit after amplifying by first order amplifying circuit and second level amplifying circuit again, finally again by comparator circuit laggard enter in main control module 5, main control module 5 can utilize the ultrasound wave time difference method of ultrasonic pulse transmitting probe 3 and ultrasonic pulse receiving transducer 6 to realize the measurement of wind speed, the aerial velocity of propagation of sound that namely ultrasonic pulse transmitting probe 3 sends, gas velocity stack on meeting and wind direction, if hyperacoustic direction of propagation is identical with wind direction, its speed can be accelerated, otherwise if if hyperacoustic direction of propagation is contrary with wind direction, its speed can be slack-off, then accept ultrasound wave by ultrasonic pulse receiving transducer 6.Therefore, when under fixing testing conditions, the speed that ultrasound wave is propagated in air be can with function of wind speed correspondence.Calculate and can obtain accurate wind speed and direction by main control module 5.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (5)
1. wind gage, it is characterized in that: comprise wind gage pedestal (1), be located at the cavity (9) in wind gage pedestal (1), be installed on the circuit board (8) in cavity (9), be installed on the main control module (5) on circuit board (8), and the ultrasonic pulse radiating circuit (2) and the ultrasonic pulse receiving circuit (7) that are connected with main control module (5), the PET heating film (4) that is installed on cavity (9) upper end and is connected with main control module (5), the ultrasonic pulse transmitting probe (3) and the ultrasonic pulse receiving transducer (6) that are installed on wind gage pedestal (1) top and are connected with ultrasonic pulse radiating circuit (2) and ultrasonic pulse receiving circuit (7) respectively, the detachable upper cover (12) that is sheathed on wind gage pedestal (1) top, and be installed on the jacking gear that wind gage pedestal (1) bottom is used for regulating wind gage pedestal (1) height.
2. wind gage according to claim 1, is characterized in that: between the inwall of described upper cover (12) and the outer wall of wind gage pedestal (1), be threaded connection.
3. wind gage according to claim 1, is characterized in that: described jacking gear comprises the lifting guide cavity (10) of being located on wind gage pedestal (1), and with the elevating lever (11) of lifting guide cavity (10) threaded engagement.
4. wind gage according to claim 1, it is characterized in that: described ultrasonic pulse radiating circuit (2) comprises the first to the 3rd resistance (R1-R3), the first and second triode (Q1, Q2), metal-oxide-semiconductor (Q3), pulse transformer (T1) and the first electric capacity (C1), one end of described the first resistance (R1) is connected with the output terminal of main control module (5), the other end and the first and second triode (Q1, Q2) base stage connects, described the first and second triode (Q1, Q2) emitter is connected with the source electrode of metal-oxide-semiconductor (Q3) after being connected, the collector of described the first triode (Q1) is connected with+5V power supply, the grounded collector of described the second triode (Q2), the grounded-grid of described metal-oxide-semiconductor (Q3), drain electrode is connected with input end one side of pulse transformer (T1), one end ground connection of described the first electric capacity (C1), the other end is connected with the input end opposite side of pulse transformer (T1), described the second resistance (R2) one end connection+5V power supply, the other end is connected with the input end opposite side of pulse transformer (T1), the output terminal of described pulse transformer (T1) is connected with ultrasonic pulse transmitting probe (3), and described the 3rd resistance (R3) is connected in parallel on the output terminal of pulse transformer (T1).
5. wind gage according to claim 1, it is characterized in that: described ultrasonic pulse receiving circuit (7) comprises the first order amplifying circuit, second level amplifying circuit, filtering circuit and the comparator circuit that connect successively, and the output terminal of described comparator circuit is connected with ultrasonic pulse receiving transducer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058726.6U CN203688579U (en) | 2014-02-07 | 2014-02-07 | Anemometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420058726.6U CN203688579U (en) | 2014-02-07 | 2014-02-07 | Anemometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203688579U true CN203688579U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420058726.6U Expired - Fee Related CN203688579U (en) | 2014-02-07 | 2014-02-07 | Anemometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203688579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198016A (en) * | 2014-09-10 | 2014-12-10 | 湖南三一智能控制设备有限公司 | Ultrasonic liquid level gauge and ultrasonic liquid level detecting method |
| CN107741507A (en) * | 2017-12-12 | 2018-02-27 | 湖南普信工程技术有限公司 | A kind of NTC airspeedometers |
-
2014
- 2014-02-07 CN CN201420058726.6U patent/CN203688579U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198016A (en) * | 2014-09-10 | 2014-12-10 | 湖南三一智能控制设备有限公司 | Ultrasonic liquid level gauge and ultrasonic liquid level detecting method |
| CN107741507A (en) * | 2017-12-12 | 2018-02-27 | 湖南普信工程技术有限公司 | A kind of NTC airspeedometers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160520 Address after: Fourth, No. 2, No. 530007, No. 4 East Road, Science Park, Nanning, the Guangxi Zhuang Autonomous Region, 4B01 Patentee after: Guangxi Nanning City Yong Inspection Technology Co. Ltd. Address before: 530007, No. third, No. 2, 4 East Road, Science Park, Nanning, the Guangxi Zhuang Autonomous Region, 3B03 Patentee before: Guangxi Guice Technology Co., Ltd. |
|
| 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: 20140702 Termination date: 20170207 |