CN204613240U - A kind of blast pipe structure of wind speed tester - Google Patents
A kind of blast pipe structure of wind speed tester Download PDFInfo
- Publication number
- CN204613240U CN204613240U CN201520310740.5U CN201520310740U CN204613240U CN 204613240 U CN204613240 U CN 204613240U CN 201520310740 U CN201520310740 U CN 201520310740U CN 204613240 U CN204613240 U CN 204613240U
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- wind speed
- photoemitter
- photelectric receiver
- draw
- blast pipe
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Abstract
The utility model discloses a kind of blast pipe structure of wind speed tester, comprise the body with air inlet and air outlet, photoemitter, photelectric receiver and holder, the quantity of holder is two, photoemitter and photelectric receiver are separately fixed on holder, the inwall of described body is provided with two draw-in grooves vertically, two draw-in grooves communicate with air inlet and air outlet respectively, two holders are connected in two draw-in grooves respectively, and photoemitter and photelectric receiver are oppositely arranged, the signal issuing side of photoemitter and the signal receiving end of photelectric receiver can be blocked by impeller in body off and on.The utility model is obtained by the number of turns of wheel rotation at last to mean wind speed meter, does not need instantaneous wind speed to be converted in electric signal input processor.The improvement position of wind speed tester itself and mode are determined, does not need installation personnel to pay creative work, also facilitate the blast pipe of the method for code requirement to common pointer wind speed tester to reequip.
Description
Technical field
The utility model belongs to the technical field of surveying instrument, particularly relates to a kind of blast pipe of measuring wind speed instrument.
Background technology
Wind speed tester is the instrument measuring air velocity, has vane type, hot type, differential pressure type, ultrasonic type, wind-cup type.The simplest structure during the wind speed tester of wherein vane type, comprise blast pipe and be fixed on the axis body in blast pipe, impeller axle is rotatably connected to impeller, the wind speed tester of vane type applies the principle of windmill, utilize air-driven impeller, the speed of wheel speed is directly proportional to wind speed, carrys out measuring wind.
Wind speed tester all possesses the function of measurement instantaneous wind speed (i.e. the mean wind speed in three seconds), some wind speed testers are had also to possess the function measuring mean wind speed, the calculating of mean wind speed is by obtaining the process of instantaneous wind speed, therefore the wind speed tester possessing measurement mean wind speed function generally includes processor, is converted to by instantaneous wind speed in electric signal input processor and processes.
Above-mentioned wind speed tester also exists some problems: also have some common wind speed testers not possess the function measuring mean wind speed, we can reequip it and make it possess the function measuring mean wind speed, but what have many common wind speed tester instantaneous wind speeds is read as pointer-type, non-electrical signal formula, so just make to common wind speed tester need repacking position and mode all uncertain, installation personnel also needs to try every possible means how instantaneous wind speed to be converted to electric signal, and the method for inconvenient code requirement is reequiped.
Utility model content
The utility model provides a kind of blast pipe structure of wind speed tester, to solve when reequiping common pointer wind speed tester, needing dependence that instantaneous wind speed is converted to electric signal to the measurement of mean wind speed, causing position and the uncertain problem of mode of repacking.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme: a kind of blast pipe structure of wind speed tester, comprise the body with air inlet and air outlet, photoemitter, photelectric receiver and holder, the quantity of holder is two, photoemitter and photelectric receiver are separately fixed on holder, the inwall of described body is provided with two draw-in grooves vertically, wherein, one draw-in groove communicates with air inlet, another draw-in groove communicates with air outlet, two holders are connected in two draw-in grooves respectively, and photoemitter and photelectric receiver are oppositely arranged, the signal issuing side of photoemitter and the signal receiving end of photelectric receiver can be blocked by impeller in body off and on.
Principle of the present utility model is: in use, also need the signal output part sum counter of external photelectric receiver, in the process of work, impeller can rotate, when the signal issuing side of photoemitter and the signal receiving end of photelectric receiver are blocked by impeller, photelectric receiver can not receive the light signal that photoemitter sends, the signal output part of photelectric receiver will export an electric signal, electric signal can add up by counter, finally show, can with draw the point having how many impellers by photelectric receiver place in a period of time, thus calculate mean wind speed.
Compared with prior art, the utility model has the advantage of: 1, need the position of repacking to be blast pipe to common wind speed tester, do not need to reequip impeller, axis body etc., the position of repacking is clear and definite.2, photoemitter and photelectric receiver are connected on the inwall of body by holder, the signal issuing side of photoemitter and the signal receiving end of photelectric receiver can be blocked by impeller off and on, when the signal and communication region having an impeller by photelectric receiver and photelectric receiver, photelectric receiver can not receive the signal of photoemitter, when signal and communication region by photelectric receiver and photelectric receiver, the gap of impeller, photelectric receiver can receive the signal of photoemitter, thus form pulse and judge whether the signal and communication region of impeller by photelectric receiver and photelectric receiver.The utility model is obtained by the number of turns of wheel rotation at last to mean wind speed meter, like this, when reequiping common pointer wind speed tester, does not need instantaneous wind speed to be converted in electric signal input processor.The improvement position of wind speed tester itself and improved procedure are determined, does not need installation personnel to pay creationary work, also facilitate the blast pipe of the method for code requirement to common pointer wind speed tester to reequip.
Further, described photoemitter and photelectric receiver are respectively apart from air inlet and the air outlet at least 0.2 centimetre of body.Prevent when placing blast pipe, photoemitter contacts with placed side with photelectric receiver, photoemitter and photelectric receiver is damaged.
Further, the degree of depth of described draw-in groove is no more than 1/2nd of body wall thickness, and the degree of depth as draw-in groove exceedes 1/2nd of body wall thickness, and body is fragile, thus affects the intensity of body.
Further, the width of described two draw-in grooves is identical, and holder can select arbitrary draw-in groove to coordinate, and is convenient to improve the efficiency of installing.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, technical solutions of the utility model are further illustrated:
Fig. 1 is the structural representation of the blast pipe constructive embodiment of the utility model wind speed tester.
Fig. 2 is the front elevation of the wind speed tester that have employed Fig. 1 structure.
Fig. 3 is the rear view of the wind speed tester that have employed Fig. 1 structure.
Embodiment
Reference numeral in Figure of description comprises: body 1, handle 2, axis body 3, impeller 4, photoemitter 5, photelectric receiver 6, counter 7, counter switch 8, draw-in groove 9, holder 10, air inlet 11, air outlet 12.
As shown in Figures 2 and 3, a kind of wind speed tester in the present embodiment, comprise with air inlet 11 and the body 1 of air outlet 12, the handle 2 be connected with body 1, the axis body 3 be arranged in body 1, be rotatably connected on four impellers 4, photoelectric sensor, counter 7 and the holder 10 on axis body 3.Four impellers 4 are uniform along the circumference of axis body 3.Photoelectric sensor comprises photoemitter 5, photelectric receiver 6 and signal output part.Counter 7 comprises signal input part, display screen and counter switch 8, and display screen and the counter switch 8 of counter 7 are integrated on counter 7.As shown in Figure 1, the quantity of holder 10 is two, photoemitter 5 and photelectric receiver 6 are separately fixed on holder 10, the inwall of described body 1 is provided with two draw-in grooves 9 vertically, the degree of depth of draw-in groove 9 is 1/2nd of body 1 wall thickness, wherein, one draw-in groove 9 communicates with air inlet 11, another draw-in groove 9 communicates with air outlet 12, photoemitter 5 and photelectric receiver 6 respectively the distance air inlet 11 of body 1 and the length of air outlet 12 are 0.2 centimetre, two holders 10 are connected in two draw-in grooves 9 respectively, two draw-in grooves 9 and holder 10 measure-alike, namely the width of two draw-in grooves 9 is identical, the width of two holders 10 is identical.Photoemitter 5 and photelectric receiver 6 are relatively arranged on the inwall of body 1, photoemitter 5 and photelectric receiver 6 lay respectively at the both sides, front and back of impeller 4, the signal receiving end of the signal issuing side of photoemitter 5 and photelectric receiver 6 can block by impeller 4, the light signal that the space between impeller 4 can make photelectric receiver 6 receive photoemitter 5 to send.The signal output part of photoelectric sensor is electrically connected with the signal input part of counter 7, and counter 7 is bonded on handle 2.
When carrying out wind speed test, operating personnel press counter switch 8, and wind speed tester is placed in environment to be tested, and instantaneous wind speed shows by pointer; Photoelectric sensor sum counter 7 also starts to calculate has how many impellers 4 through the signal and communication region of photoemitter 5 and photelectric receiver 6.An impeller 4 is often had to pass through, optical signal communication region between photoemitter 5 and photelectric receiver 6 can be blocked by impeller 4, until impeller 4 is completely by this region, space between impeller 4 is by this region, and the light signal between photoemitter 5 and photelectric receiver 6 just can communication normally.Photelectric receiver 6 can not receive the light signal that photoemitter 5 sends, the signal output part of photoelectric sensor will export an electric signal, and electric signal can add up by counter 7, and operating personnel press counter switch 8, counter 7 stops counting, and the result of counting shows finally by display screen.
The quantity that display screen demonstrates, divided by four the quantity of impeller 4 (namely on a wind speed tester), can draw the number of turns that impeller 4 rotates.Thus go out corresponding mean wind speed by formulae discovery.
For a person skilled in the art; under the prerequisite not departing from the utility model structure; can also make some distortion and improvement, these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.
Claims (4)
1. the blast pipe structure of a wind speed tester, comprise the body with air inlet and air outlet, it is characterized in that: also comprise photoemitter, photelectric receiver and holder, the quantity of holder is two, photoemitter and photelectric receiver are separately fixed on holder, the inwall of described body is provided with two draw-in grooves vertically, wherein, one draw-in groove communicates with air inlet, another draw-in groove communicates with air outlet, two holders are connected in two draw-in grooves respectively, and photoemitter and photelectric receiver are oppositely arranged, the signal issuing side of photoemitter and the signal receiving end of photelectric receiver can be blocked by impeller in body off and on.
2. the blast pipe structure of wind speed tester as claimed in claim 1, is characterized in that: described photoemitter and photelectric receiver are respectively apart from air inlet and the air outlet at least 0.2 centimetre of body.
3. the blast pipe structure of wind speed tester as claimed in claim 2, is characterized in that: the degree of depth of described draw-in groove is no more than 1/2nd of body wall thickness.
4. the blast pipe structure of wind speed tester as claimed in claim 3, is characterized in that: the width of described two draw-in grooves is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520310740.5U CN204613240U (en) | 2015-05-14 | 2015-05-14 | A kind of blast pipe structure of wind speed tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520310740.5U CN204613240U (en) | 2015-05-14 | 2015-05-14 | A kind of blast pipe structure of wind speed tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204613240U true CN204613240U (en) | 2015-09-02 |
Family
ID=53965788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520310740.5U Expired - Fee Related CN204613240U (en) | 2015-05-14 | 2015-05-14 | A kind of blast pipe structure of wind speed tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204613240U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088167A (en) * | 2021-08-25 | 2022-02-25 | 广州能源检测研究院 | Water meter verification method and device based on multi-light-source laser sensor |
-
2015
- 2015-05-14 CN CN201520310740.5U patent/CN204613240U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088167A (en) * | 2021-08-25 | 2022-02-25 | 广州能源检测研究院 | Water meter verification method and device based on multi-light-source laser sensor |
| CN114088167B (en) * | 2021-08-25 | 2023-07-04 | 广州能源检测研究院 | Water meter verification method and device based on multiple light source laser sensors |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150902 Termination date: 20160514 |