CN220671517U - Universal meter with wind speed sensor - Google Patents
Universal meter with wind speed sensor Download PDFInfo
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- CN220671517U CN220671517U CN202321473290.2U CN202321473290U CN220671517U CN 220671517 U CN220671517 U CN 220671517U CN 202321473290 U CN202321473290 U CN 202321473290U CN 220671517 U CN220671517 U CN 220671517U
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- universal meter
- speed sensor
- multimeter
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- 238000005070 sampling Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 abstract description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model discloses a universal meter with a wind speed sensor, which comprises a universal meter host machine, wherein a measuring mechanism is arranged on the universal meter host machine, and the universal meter is characterized in that: the wind speed measuring instrument with a drawing structure is integrated on the universal meter host, the signal output end of the wind speed measuring instrument is connected to the control main board of the universal meter host, and the control main board is used for converting the received analog signals into digital signals and then displaying the digital signals through the display screen on the universal meter host; according to the utility model, the sensor is used for sampling and sending the wind speed to the universal meter for ADC conversion analysis processing, and the result is displayed on the display screen, so that the purpose of measuring the wind speed by taking the universal meter as a carrier is realized, the universal meter can be applied to more occasions, and the application range is wider.
Description
Technical Field
The utility model relates to the technical field of universal meters, in particular to a universal meter with a wind speed sensor.
Background
Multimeters, also called multiplex meters, multimeters, three-purpose meters, and numerous meters, are indispensable measuring instruments for power electronics and other departments, and generally have the main purpose of measuring voltage, current, and resistance. The multimeter is divided into a pointer multimeter and a digital multimeter according to a display mode. The multifunctional measuring instrument with multiple measuring ranges is a common universal meter which can measure direct current, direct current voltage, alternating current, alternating voltage, resistance, audio level and the like, and can also measure alternating current, capacitance, inductance, some parameters (such as beta) of a semiconductor and the like.
When the universal meter is used for maintaining some fans, the wind speed needs to be measured, at the moment, an anemometer is needed, a special device is needed to be made by using a single anemometer, only a single wind speed can be measured, the price is high, and the single wind speed is used.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a multimeter with a wind speed sensor, integrating a wind speed meter into a digital multimeter, and expanding the wind speed measurement work on the premise of not increasing the cost of the digital multimeter, thereby realizing that the AC/DC voltage measurement, the AC/DC current measurement, the resistance measurement, the capacitance measurement, the diode measurement, the on-off measurement, the frequency measurement, the temperature measurement and the wind speed measurement can be completed by using one measuring instrument, and effectively solving the defect that the multimeter in the prior art needs to be additionally used for maintaining a fan.
The utility model relates to a universal meter with a wind speed sensor, which is realized by the following technical scheme: including the universal meter host computer, set up measuring mechanism on the universal meter host computer, its characterized in that: the wind speed measuring instrument with the drawing structure is integrated on the universal meter host, the signal output end of the wind speed measuring instrument is connected to the control main board of the universal meter host, and the control main board is used for converting received analog signals into digital signals and then displaying the digital signals through the display screen on the universal meter host.
As the preferable technical scheme, the wind speed measuring instrument with the drawing structure comprises a drawing box which is arranged on a universal meter host in a drawing way, a wind speed sensor is arranged in the drawing box, the drawing box is provided with a wind gathering cavity with a horn opening, the wind speed sensor is arranged in the wind gathering cavity, and the wind speed sensor is driven to rotate by utilizing air flow to detect the wind speed.
In this embodiment, the wind speed measuring instrument is integrally embedded in the multimeter host, and an air inlet cavity is formed on the multimeter host, and wind speed measurement is performed on the air inlet cavity of the multimeter host corresponding to the input end of the air flow.
As an optimal technical scheme, a drawing groove is arranged on the wind speed measuring instrument, and a drawing box is movably arranged in the drawing groove; the drawing box is provided with an annular limiting groove which is arranged at the outer side of the wind gathering cavity; an annular wind gathering ring is arranged in the annular limiting groove, an inclined plane is arranged on the annular wind gathering ring, and the inclined plane is arranged opposite to the drawing groove.
As the preferable technical scheme, an elastic element is arranged between the annular limiting groove and the annular wind gathering ring.
As the preferable technical scheme, the signal output end of the wind speed measuring instrument is connected with a wind speed sampling signal input jack of the control main board, and the wind speed sampling signal is transmitted to the control main board end through a signal sampling input line for signal analysis.
As an optimized technical scheme, the wind speed measuring instrument is powered by a main machine end of the universal meter, and the main machine of the universal meter provides 3V-4.5V voltage for the wind speed measuring instrument
As the preferable technical scheme, the intelligent alarm device further comprises a prompt component, wherein the prompt component comprises a light prompt and a buzzer sound prompt.
As the preferable technical scheme, the universal meter host also comprises a gear key or a dial control key, and the display screen adopts an LCD display screen.
The beneficial effects of the utility model are as follows: the wind speed meter is integrated into the digital multimeter, so that the wind speed measurement work is expanded on the premise of not increasing the cost of the digital multimeter; therefore, on the premise that the original multimeter function can be completed by using one measuring instrument, the wind speed measuring task is completed.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a multimeter with a wind speed sensor of the present utility model;
FIG. 2 is a schematic cross-sectional view of a multimeter with a wind speed sensor according to the present utility model;
FIG. 3 is a functional block diagram of a multimeter with a wind speed sensor of the present utility model;
FIG. 4 is a circuit diagram of a multimeter with a wind speed sensor according to the present utility model.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
In the description of the present utility model, it should be understood that the terms "one end," "the other end," "the outer side," "the upper," "the inner side," "the horizontal," "coaxial," "the center," "the end," "the length," "the outer end," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, in the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
Terms such as "upper," "lower," and the like used herein to refer to a spatially relative position are used for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In the present utility model, unless explicitly specified and limited otherwise, the terms "disposed," "coupled," "connected," "plugged," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
1-4, the multimeter with the wind speed sensor comprises a multimeter host 1, and a measuring mechanism is arranged on the multimeter host, and is characterized in that: the wind speed measuring instrument 2 with a drawing structure is integrated on the universal meter host machine 1, the signal output end of the wind speed measuring instrument 2 is connected to a control main board of the universal meter host machine, and the received analog signals are converted into digital signals through the control main board and then displayed through the display screen 3 on the universal meter host machine.
In order to protect the wind speed measuring instrument, the wind speed measuring instrument 2 with a drawing structure can be hidden without being used, the wind speed measuring instrument 2 with a drawing structure comprises a drawing box 4 which is arranged on a universal meter host, a wind speed sensor 5 is arranged in the drawing box, the drawing box is provided with a wind gathering cavity 6 with a horn opening, the wind speed sensor 5 is arranged in the wind gathering cavity 6, and the wind speed sensor is driven to rotate by utilizing air flow to detect the wind speed.
Of course, a cavity can be arranged in the universal meter host, an air inlet hole connected with the cavity is formed in the surface of the universal meter host, the drawing box is arranged in the cavity, the drawing box can slide in the cavity, the position of the wind speed sensor relative to the position of the air inlet hole can be realized through sliding, and the protection and the hiding of the wind speed measuring instrument can be realized.
In order to enable wind to more gather and pass through the wind speed sensor, the wind speed measuring instrument 2 is provided with a drawing groove 10, and the drawing box 4 is movably arranged in the drawing groove 10; the drawing box 4 is provided with an annular limiting groove 7, and the annular limiting groove 7 is arranged at the outer side of the wind gathering cavity 6; an annular wind gathering ring 8 is arranged in the annular limiting groove 7, an inclined plane 9 is arranged on the annular wind gathering ring 8, and the inclined plane 9 is arranged opposite to the drawing groove 10; the inclined plane on the annular wind gathering ring is propped against the drawing groove, and when the drawing box is pushed to the drawing groove, the annular wind gathering ring is contracted inwards towards the annular limiting groove by the pushing force.
In order to facilitate the function of the multimeter host to quickly use the anemometer, the anemometer is aligned to air flow measurement during use, the anemometer is integrally embedded in the multimeter host 1 through the anemometer 2, and an air inlet cavity 100 is formed on the multimeter host 1, and the air inlet cavity 100 of the multimeter host 1 is used for measuring the air speed corresponding to the input end of the air flow.
In order to realize that the annular wind gathering ring automatically pops up to the outer side of the annular limiting groove, an elastic element (not shown) is arranged between the annular limiting groove 7 and the annular wind gathering ring 8.
In this embodiment, the signal output end of the wind speed measuring instrument is connected with the wind speed sampling signal input jack of the control main board, and is transmitted to the control main board end through the signal sampling input line for signal analysis.
In the embodiment, the wind speed measuring instrument is powered by the main machine end of the universal meter, and the main machine of the universal meter provides 3V-4.5V voltage for the wind speed measuring instrument
In this embodiment, the device further comprises a prompt component, wherein the prompt component comprises a light signal prompt and a buzzer sound prompt; the multimeter host also comprises a gear key or a dial control key, and the display screen adopts an LCD display screen 11.
In the embodiment, the automatic measuring range integrated circuit of the universal meter adopts the SD7890 model, and of course, different models can be replaced according to actual use conditions; the SD7890 can measure 10MHz frequency without adding peripheral circuits, and completely covers the output range of the wind speed sensor.
The following table shows:
| frequency of | Wind speed (m/s) |
| 10HZ | 1 |
| 20Hz | 2 |
| 30Hz | 3 |
| 40Hz | 4 |
| 50Hz | 5 |
The working process is as follows: signal acquisition, signal input, chip processing and result display;
the output line of the wind speed sensor is connected with the input jack of the universal meter, when the wind speed sensor is used, the measuring port is aligned with the air flow, the air flow passes through the wind speed sensor to obtain an analog signal, the analog signal enters the SD7890 frequency measuring port after being input, the frequency data is measured, AD conversion calculation is carried out at the self-contained single-chip microcomputer end of the chip, and finally the calculation result is displayed through the LCD display of the universal meter, so that the measurement of the whole wind speed is completed, the wind speed measuring device has a wind speed measuring function in a place where the wind speed measuring device is needed, and the wind speed measuring device is not required to be additionally carried.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (9)
1. A multimeter with a wind speed sensor, characterized by: including universal meter host computer (1), set up measuring mechanism on the universal meter host computer, its characterized in that: the universal meter is characterized in that a wind speed measuring instrument (2) with a drawing structure is integrally arranged on the universal meter host (1), a signal output end of the wind speed measuring instrument (2) is connected to a control main board of the universal meter host, and the control main board converts received analog signals into digital signals and then displays the digital signals through a display screen (3) on the universal meter host.
2. A multimeter with a wind speed sensor according to claim 1 wherein: the wind speed measuring instrument (2) with the drawing structure comprises a drawing box (4) which is arranged on a universal meter host in a drawing mode, a wind speed sensor (5) is arranged in the drawing box, the drawing box is provided with a wind gathering cavity (6) with a horn opening, the wind speed sensor (5) is arranged in the wind gathering cavity (6), and the wind speed sensor is driven by air flow to rotate to detect wind speed.
3. A multimeter with a wind speed sensor according to claim 2 wherein: the wind speed measuring instrument (2) is provided with a drawing groove (10), and the drawing box (4) is movably arranged in the drawing groove (10); the drawing box (4) is provided with an annular limiting groove (7), and the annular limiting groove (7) is arranged at the outer side of the wind gathering cavity (6); an annular wind collecting ring (8) is arranged in the annular limiting groove (7), an inclined surface (9) is arranged on the annular wind collecting ring (8), and the inclined surface (9) is arranged opposite to the drawing groove (10).
4. A multimeter with a wind speed sensor according to claim 1 wherein: the wind speed measuring instrument (2) is integrally embedded in the universal meter host machine (1), an air inlet cavity (100) is formed in the universal meter host machine (1), and the air inlet cavity (100) of the universal meter host machine (1) corresponds to the input end of the air flow to carry out wind speed measurement.
5. A multimeter with a wind speed sensor according to claim 3 wherein: an elastic element is arranged between the annular limiting groove (7) and the annular wind gathering ring (8).
6. The multimeter with wind speed sensor of claim 1 wherein: and the signal output end of the wind speed measuring instrument is connected with a wind speed sampling signal input jack of the control main board, and is transmitted to the control main board end through a signal sampling input line for signal analysis.
7. The multimeter with wind speed sensor of claim 1 wherein: the wind speed measuring instrument is powered by a universal meter host computer, and the universal meter host computer provides 3V-4.5V voltage for the wind speed measuring instrument.
8. The multimeter with wind speed sensor of claim 1 wherein: still include the suggestion subassembly, the suggestion subassembly includes signal prompt and buzzer sound suggestion.
9. The multimeter with wind speed sensor of claim 1 wherein: the universal meter host also comprises a gear key or a dial control key, and the display screen adopts an LCD display screen (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321473290.2U CN220671517U (en) | 2023-06-09 | 2023-06-09 | Universal meter with wind speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321473290.2U CN220671517U (en) | 2023-06-09 | 2023-06-09 | Universal meter with wind speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220671517U true CN220671517U (en) | 2024-03-26 |
Family
ID=90340626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321473290.2U Active CN220671517U (en) | 2023-06-09 | 2023-06-09 | Universal meter with wind speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220671517U (en) |
-
2023
- 2023-06-09 CN CN202321473290.2U patent/CN220671517U/en active Active
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