CN220084951U - Universal meter with photosensitive sensor - Google Patents
Universal meter with photosensitive sensor Download PDFInfo
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- CN220084951U CN220084951U CN202321552324.7U CN202321552324U CN220084951U CN 220084951 U CN220084951 U CN 220084951U CN 202321552324 U CN202321552324 U CN 202321552324U CN 220084951 U CN220084951 U CN 220084951U
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- 238000005259 measurement Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a universal meter with a photosensitive sensor, which comprises a measuring instrument and a photosensitive measuring device; the measuring instrument is provided with a storage groove; a sliding plate is arranged in the storage groove; the photosensitive measuring device is arranged at the upper end of the sliding plate; the surface of the measuring instrument is provided with a digital display device, a main board is arranged in the measuring instrument, and the main board is connected with the digital display device and the photosensitive measuring device; a baffle is arranged at the upper end of the storage groove in a sliding way; according to the utility model, the photosensitive measuring device is provided with the support bracket connected with the sliding plate, and the baffle is provided with the clearance groove; when the photosensitive measuring device is arranged at the upper end of the measuring instrument; the support bracket is arranged in the avoidance slot; one end of the baffle is provided with a guide inclined plane; the photosensitive measuring device is arranged in a cylindrical shape; the guiding inclined plane is oppositely attached to the photosensitive measuring device; when the photosensitive measuring device is pressed down to the storage groove, the baffle plate provided with the guide inclined plane is extruded by the photosensitive measuring device to be opened outwards, so that the function of setting the photosensitive measuring device in the storage groove is realized.
Description
Technical Field
The utility model relates to the technical field of universal meters, in particular to a universal meter with a photosensitive 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.
A maintainer automatically senses the brightness of the light source to output voltage signals by using a photosensitive measuring device; be provided with the interface on the small-size universal meter among the prior art, be provided with photosensitive measuring device and pass through the interface connection on joint and the universal meter, make the universal meter have photosensitive detection's function, but the universal meter still is two independent equipment with being provided with photosensitive measuring device, still has the defect of easily losing and difficult accomodating when using.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the universal meter with the photosensitive sensor, and the illuminance measuring instrument is integrated into the digital universal meter, so that the illuminance measuring function is expanded on the premise of not increasing the cost of the digital universal meter, and the purposes that the measurement can be completed by using one measuring instrument, such as AC/DC voltage measurement, AC/DC current measurement, resistance measurement, capacitance measurement, diode measurement, on-off measurement, frequency measurement, temperature measurement and illuminance measurement, and the measurement is more effective and portable are realized.
The universal meter with the photosensitive sensor is realized by the following technical scheme: comprises a measuring instrument and a photosensitive measuring device; the measuring instrument is provided with a storage groove; a sliding plate is arranged in the storage groove; the photosensitive measuring device is arranged at the upper end of the sliding plate;
the surface of the measuring instrument is provided with a digital display device, a main board is arranged in the measuring instrument, and the main board is connected with the digital display device and the photosensitive measuring device; a baffle is arranged at the upper end of the storage groove in a sliding way; when the photosensitive measuring device is arranged in the storage groove, the photosensitive measuring device and the baffle are oppositely arranged.
As the preferable technical scheme, more than one first limiting guide shafts are arranged in the storage groove, limiting holes are formed in the surface of the sliding plate, and the first limiting guide shafts are arranged in the limiting holes;
the outer side of the first limiting guide shaft is sleeved with a first elastic element; the two ends of the first elastic element respectively support the sliding plate and the containing groove.
As the preferable technical scheme, the top of the measuring instrument is provided with more than one guide chute, and a second guide shaft and a guide sliding block are arranged in the guide chute; the guide sliding block is provided with a through hole;
the second guide shaft is arranged in the through hole; the baffle is arranged at the upper end of the guide sliding block; the second guide shaft is sleeved with a second elastic element, and two ends of the second elastic element respectively support against the guide sliding groove and the guide sliding block.
As the preferable technical proposal, the photosensitive measuring device is provided with a support bracket connected with a slide plate, and the baffle plate is provided with a clearance groove; when the photosensitive measuring device is arranged at the upper end of the measuring instrument; the support bracket is arranged in the avoidance slot.
As a preferable technical scheme, one end of the baffle is provided with a guide inclined plane; the photosensitive measuring device is arranged in a cylindrical shape; the guiding inclined plane is oppositely attached to the photosensitive measuring device.
The beneficial effects of the utility model are as follows:
1. by arranging a storage groove on the measuring instrument; a sliding plate is arranged in the storage groove; the photosensitive measuring device is arranged at the upper end of the sliding plate; the surface of the measuring instrument is provided with a digital display device, a main board is arranged in the measuring instrument, and the main board is connected with the digital display device and the photosensitive measuring device; the upper end of the storage groove is provided with a baffle in a sliding way; when the photosensitive measuring device is not used, the photosensitive measuring device is arranged in the storage groove, and the photosensitive measuring device and the baffle are arranged oppositely, so that the storage function is realized.
2. The photosensitive measuring device is provided with a support bracket connected with the sliding plate, and the baffle is provided with a clearance groove; when the photosensitive measuring device is arranged at the upper end of the measuring instrument; the support bracket is arranged in the avoidance slot; one end of the baffle is provided with a guide inclined plane; the photosensitive measuring device is arranged in a cylindrical shape; the guiding inclined plane is oppositely attached to the photosensitive measuring device; when the photosensitive measuring device is pressed down to the storage groove, the baffle plate provided with the guide inclined plane is extruded by the photosensitive measuring device to be opened outwards, so that the function of setting the photosensitive measuring device in the storage groove is realized.
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 of the present utility model with a photosensitive sensor;
FIG. 2 is a cross-sectional view of a multimeter of the present utility model with a photosensitive sensor;
FIG. 3 is a schematic circuit diagram of the present utility model with a photosensitive measurement device;
FIG. 4 is a block diagram of a system with a photosensitive measurement device 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.
1-4, a multimeter with a photosensitive sensor of the present utility model includes a meter 9 and a photosensitive measuring device 1; the measuring instrument 9 is provided with a containing groove 15; a sliding plate 2 is arranged in the accommodating groove 15; the photosensitive measuring device 1 is arranged at the upper end of the sliding plate 2; the surface of the measuring instrument 9 is provided with a digital display device 7, a main board is arranged in the measuring instrument 9, and the main board is connected with the digital display device 7 and the photosensitive measuring device 1; the upper end of the storage groove 15 is provided with a baffle 6 in a sliding manner; when the photosensitive measuring device 1 is arranged in the accommodating groove 15, the photosensitive measuring device 1 is arranged opposite to the baffle 6;
the meter head is close to the light source to be measured, and the photosensitive measuring device automatically senses the magnitude of an output voltage signal according to the brightness degree of the measuring light source; the signal is transmitted to the main board, and the received analog signal is converted into a digital signal through the main board and then displayed through the digital display device.
In order to realize that the photosensitive measuring device can be stably arranged at the upper end of the measuring instrument, more than one first limiting guide shaft 14 is arranged in the containing groove 15, the surface of the sliding plate 2 is provided with a limiting hole 12, and the first limiting guide shaft 14 is arranged in the limiting hole 12; a first elastic element (not shown) is sleeved outside the first guide shaft 14; the two ends of the first elastic element respectively support the sliding plate 2 and the containing groove 15.
In order to realize the relative closing of the baffles at the two sides of the upper end of the measuring instrument, more than one guide chute 17 is arranged at the top of the measuring instrument 9, and a second guide shaft 11 and a guide sliding block 13 are arranged in the guide chute 17; the guide slide block 13 is provided with a through hole (not shown); the second guide shaft 11 is arranged in the through hole; the baffle 6 is arranged at the upper end of the guide slide block 13; a second elastic element (not shown) is sleeved on the second guide shaft 11, and two ends of the second elastic element respectively support against the guide chute 17 and the guide slide block 13; the photosensitive measuring device is stably contained at the lower end of the baffle.
In the embodiment, a support bracket 3 connected with a sliding plate 2 is arranged on a photosensitive measuring device 1, and a clearance groove 5 is arranged on a baffle 6; when the photosensitive measuring device 1 is arranged at the upper end of the measuring instrument 9; the support bracket 3 is arranged in the avoidance groove 5.
In the embodiment, one end of the baffle 6 is provided with a guide inclined plane 4; the photosensitive measuring device 1 is arranged in a cylindrical shape; the guiding inclined plane 4 is oppositely and adjacently arranged with the photosensitive measuring device 1.
In the embodiment, a prompt component is further arranged on the measuring instrument 9, and the prompt component comprises a lamp 8 for prompting and a buzzer 10;
in this embodiment, the automatic measuring range integrated circuit of the universal meter adopts the model SD7890, and of course, different models can be replaced according to actual use conditions.
The beneficial effects of the utility model are as follows: the light-sensitive measuring device is integrated into the digital multimeter, and the illuminance measuring function is expanded on the premise of not increasing the cost of the digital multimeter, so that the illuminance measuring task is completed on the premise that the original multimeter function can be completed by using one measuring instrument.
The working process is as follows: signal acquisition, signal input, chip processing and result display;
the photosensitive sensor is connected to the signal acquisition input circuit of the universal meter, the analog signal is automatically identified according to the illumination degree, the analog signal enters the SD7890 frequency measurement port after being input, the frequency data is measured, AD conversion calculation is carried out at the self-contained singlechip 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 illumination degree is completed.
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 (5)
1. A multimeter with a photosensitive sensor, characterized by: comprises a measuring instrument (9) and a photosensitive measuring device (1); the measuring instrument (9) is provided with a containing groove (15); a sliding plate (2) is arranged in the accommodating groove (15); the photosensitive measuring device (1) is arranged at the upper end of the sliding plate (2);
the surface of the measuring instrument (9) is provided with a digital display device (7), a main board is arranged in the measuring instrument (9), and the main board is connected with the digital display device (7) and the photosensitive measuring device (1); a baffle (6) is arranged at the upper end of the storage groove (15) in a sliding way; when the photosensitive measuring device (1) is arranged in the storage groove (15), the photosensitive measuring device (1) and the baffle (6) are arranged oppositely.
2. The multimeter with photosensitive sensor of claim 1 wherein: more than one first limit guide shaft (14) is arranged in the storage groove (15), a limit hole (12) is formed in the surface of the sliding plate (2), and the first limit guide shafts (14) are arranged in the limit hole (12);
the outer side of the first limit guide shaft (14) is sleeved with a first elastic element; the two ends of the first elastic element respectively support against the sliding plate (2) and the containing groove (15).
3. The multimeter with photosensitive sensor of claim 1 wherein: the top of the measuring instrument (9) is provided with more than one guide chute (17), and a second guide shaft (11) and a guide sliding block (13) are arranged in the guide chute (17); the guide sliding block (13) is provided with a through hole;
the second guide shaft (11) is arranged in the through hole; the baffle (6) is arranged at the upper end of the guide sliding block (13); the second guide shaft (11) is sleeved with a second elastic element, and two ends of the second elastic element respectively support against the guide sliding groove (17) and the guide sliding block (13).
4. The multimeter with photosensitive sensor of claim 1 wherein: a support bracket (3) connected with the sliding plate (2) is arranged on the photosensitive measuring device (1), and a clearance groove (5) is arranged on the baffle plate (6); when the photosensitive measuring device (1) is arranged at the upper end of the measuring instrument (9); the support bracket (3) is arranged in the avoidance groove (5).
5. The multimeter with photosensitive sensor of claim 1 wherein: one end of the baffle (6) is provided with a guide inclined plane (4); the photosensitive measuring device (1) is arranged in a cylindrical shape; the guiding inclined plane (4) is oppositely attached to the photosensitive measuring device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321552324.7U CN220084951U (en) | 2023-06-17 | 2023-06-17 | Universal meter with photosensitive sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321552324.7U CN220084951U (en) | 2023-06-17 | 2023-06-17 | Universal meter with photosensitive sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220084951U true CN220084951U (en) | 2023-11-24 |
Family
ID=88824649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321552324.7U Active CN220084951U (en) | 2023-06-17 | 2023-06-17 | Universal meter with photosensitive sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220084951U (en) |
-
2023
- 2023-06-17 CN CN202321552324.7U patent/CN220084951U/en active Active
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