CN2729734Y - Multifunctional digital universal meter - Google Patents
Multifunctional digital universal meter Download PDFInfo
- Publication number
- CN2729734Y CN2729734Y CN 200420093888 CN200420093888U CN2729734Y CN 2729734 Y CN2729734 Y CN 2729734Y CN 200420093888 CN200420093888 CN 200420093888 CN 200420093888 U CN200420093888 U CN 200420093888U CN 2729734 Y CN2729734 Y CN 2729734Y
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- CN
- China
- Prior art keywords
- contactless
- function
- casing
- housing
- panel
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- Ceased
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Abstract
The utility model relates to a multifunctional digital universal meter, comprising a casing (1), a non-contact alternate-current (AC) voltage testing device, an illuminating device, a digital universal meter device and a circuit board. The two edges and the bottom of the casing (1) are provided with skid-proof soft rubber decorating edges (2). The upper part of the casing is provided with a light emitting LED (3) used as the light source of a flashlight, a non-contact AC voltage signal sensor (4) and a non-contact LED displaying lamp (13). The upper part of the panel of the casing (1) is provided with an LED digital displaying screen (5); the middle part of the panel is provided with a function converting push button (6), a flashlight switch controlling push button (7) and a function locking push button (8); and the lower part of the panel is provided with a rotary switch (9) with selecting function. The bottom of the casing (1) is connected with two universal meter pens (10). The back face of the casing (1) is provided with a clamping groove type meter pen holder (11) and a pen groove (12).
Description
Technical field
The utility model relates to a kind of digimer that has illumination functions and contactless alternating voltage test function.
Background technology
Digimer in the market and Related product, all do not have illumination functions and contactless alternating voltage test function simultaneously, generally adopt illumination, contactless alternating voltage proving installation, digimer to carry out respectively, trivial operations, inconvenience are carried, are lost time and cost.
Goal of the invention
In order to overcome the deficiency of existing product and technology, the utility model provides a kind of digimer device that has illumination and contactless alternating voltage test function simultaneously, when operating, can throw light on simultaneously, contactless alternating voltage test and electric variable, magnetic variable is measured, the utility model complete function, easy to carry, be the rare utility of professional and technical personnel.
Summary of the invention
The utility model is by housing (1), contactless alternating voltage proving installation, lighting device, digital versatile meter apparatus and circuit board constitute, housing (1) both sides and bottom are provided with anti-skidding flexible glue upholstery border (2), top is provided with emitting led (3) as the electric torch light source, contactless ac voltage signal sensor (4), contactless LED display lamp (13), housing (1) panel top is provided with LCD digital display screen (5), the panel middle part is provided with function switching button (6), flashlight switch control knob (7), function locking button (8), the panel bottom is provided with the rotary switch (9) with selection function, the bottom of housing (1) connects two multimeter test pencils (10), and the back side of housing (1) is provided with a card slot type test pencil penholder (11) and a groove (12); Housing (1) has convenient hand-held characteristics, and the anti-skidding flexible glue upholstery border (2) that its both sides are provided with can prevent that when using and carry multimeter from coming off, and has decoration function simultaneously; Wherein, lighting device is made of emitting led (3), flashlight switch control knob (7) and the circuit part as the electric torch light source, and emitting led (3) energising back is luminous when opening flashlight switch control knob (7), reaches illuminating effect; Contactless voltage test device is made of contactless ac voltage signal sensor (4), contactless LED display lamp (13) and circuit part, contactless ac voltage signal sensor (4) is used to receive electromagnetic field signal, be input to contactless LED display lamp (13) by signal processor 20 and contactless led drive circuit 21, LED display lamp (13) is glowed, thereby show the alternating voltage test mode; Digital versatile meter apparatus then LCD digital display screen (5), the rotary switch (9) with selection function, multimeter test pencil (10) and circuit part constitutes, when contact measured object received current signal with multimeter test pencil (10), the rotary switch (9) that rotation has selection function, by signal amplification processor 16, the signal processing and amplifying, be input to ADC signal converter 17, again by display driver with measured data presentation on LCD digital display screen (5), thereby finish the digital multimeter measurement function.
Advantage of the present utility model is to integrate illumination, contactless voltage, digital multimeter measurement function, adopts portable design, convenient use with carry, test convenient, cost is lower, be convenient to promote.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model;
Fig. 2 is a top structure synoptic diagram of the present utility model;
Fig. 3 is a structure synoptic diagram of the present utility model;
Fig. 4 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As shown in Figure 1, by housing (1), contactless alternating voltage proving installation, lighting device, digital versatile meter apparatus and circuit board constitute, housing (1) both sides and bottom are provided with anti-skidding flexible glue upholstery border (2), top is provided with emitting led (3) as the electric torch light source, contactless ac voltage signal sensor (4), contactless LED display lamp (13), housing (1) panel top is provided with LCD digital display screen (5), the panel middle part is provided with function switching button (6), flashlight switch control knob (7), function locking button (8), the panel bottom is provided with the rotary switch (9) with selection function, the bottom of housing (1) connects two multimeter test pencils (10), and the back side of housing (1) is provided with a card slot type test pencil penholder (11) and a groove (12); Wherein, lighting device is made of emitting led (3), flashlight switch control knob (7) and the circuit part as the electric torch light source, and emitting led (3) energising back is luminous when opening flashlight switch control knob (7), reaches illuminating effect; Contactless voltage test device is made of contactless ac voltage signal sensor (4), contactless LED display lamp (13) and circuit part, contactless ac voltage signal sensor (4) is used to receive electromagnetic field signal, be input to contactless LED display lamp (13) by signal processor and contactless led drive circuit, make LED display lamp (13) luminous, thereby show the alternating voltage test mode; Digital versatile meter apparatus then LCD digital display screen (5), the rotary switch (9) with selection function, multimeter test pencil (10) and circuit part constitutes, when contacting measured object with multimeter test pencil (10), the rotary switch (9) that rotation has selection function, begin to measure related parameter is arranged, again by display driver with measured data presentation on LCD digital display screen (5), thereby finish the digital multimeter measurement function.
As shown in Figure 2, be the utility model top structure synoptic diagram.(3) be that emitting led, (4) as the electric torch light source are contactless LED display lamp for contactless ac voltage signal sensor, (13).
As shown in Figure 3, be structure synoptic diagram of the present utility model.(2) be anti-skidding flexible glue upholstery border, (3) are emitting led as the electric torch light source, and (4) are contactless ac voltage signal sensor, and (10) are the multimeter test pencil, and (11) are card slot type test pencil penholder, and (12) are a groove.
Fig. 4 is circuit theory diagrams of the present utility model.The circuit theory of contactless alternating voltage test function, flashlight lighting function and digital multimeter measurement function is described.When using multimeter to measure, with multimeter test pencil (15) contact tested wire received current signal, by signal amplification processor (16), the signal processing and amplifying, be input to ADC signal converter (17), passing through to show with measured data presentation on LCD digital display screen (18), thereby finishing the digital multimeter measurement function; (19) be contactless ac voltage signal sensor, when it receives current signal, be input on the contactless LED display lamp (22) by signal processor (20) and contactless led drive circuit (21), make contactless LED display lamp (22) luminous, thereby finish the voltage tester function; (23) be the electric torch led drive circuit, make LED luminous by switch control LED display lamp (24), (14) are the power circuits for each circuit supply, and it comprises the standard set-up of one or more batteries.
Claims (2)
1, a kind of multifunctional digital multimeter, it is characterized in that it is by housing (1), contactless alternating voltage proving installation, lighting device, digital versatile meter apparatus and circuit board constitute, housing (1) both sides and bottom are provided with anti-skidding flexible glue upholstery border (2), top is provided with emitting led (3) as the electric torch light source, contactless ac voltage signal sensor (4), contactless LED display lamp (13), housing (1) panel top is provided with LCD digital display screen (5), the panel middle part is provided with function switching button (6), flashlight switch control knob (7), function locking button (8), the panel bottom is provided with the rotary switch (9) with selection function, the bottom of housing (1) connects two multimeter test pencils (10), and the back side of housing (1) is provided with a card slot type test pencil penholder (11) and a groove (12).
2, multifunctional digital multimeter as claimed in claim 1, it is characterized in that lighting device is made of emitting led (3), flashlight switch control knob (7) and circuit part as the electric torch light source, contactless voltage test device is made of contactless ac voltage signal sensor (4), contactless LED display lamp (13) and circuit part, and the digital versatile meter apparatus then is made of LCD digital display screen (5), the rotary switch (9) with selection function, function switching button (6), function locking button (8), multimeter test pencil (10) and circuit part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093888 CN2729734Y (en) | 2004-10-12 | 2004-10-12 | Multifunctional digital universal meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420093888 CN2729734Y (en) | 2004-10-12 | 2004-10-12 | Multifunctional digital universal meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2729734Y true CN2729734Y (en) | 2005-09-28 |
Family
ID=35048509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420093888 Ceased CN2729734Y (en) | 2004-10-12 | 2004-10-12 | Multifunctional digital universal meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2729734Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278664A (en) * | 2007-08-14 | 2013-09-04 | 弗卢克公司 | Digital multimeter having case panel structure |
| CN103869133A (en) * | 2012-12-18 | 2014-06-18 | 旭达电脑（昆山）有限公司 | Universal meter with meter pen groove |
| CN106771465A (en) * | 2016-12-29 | 2017-05-31 | 国家电网公司 | A kind of improved Portable universal meter |
| CN106908628A (en) * | 2017-03-01 | 2017-06-30 | 杨慧桐 | A kind of highly sensitive universal meter with insulation slipmat |
| CN110514888A (en) * | 2019-08-08 | 2019-11-29 | 东莞市华博精测仪表科技有限公司 | Digital multimeter |
-
2004
- 2004-10-12 CN CN 200420093888 patent/CN2729734Y/en not_active Ceased
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278664A (en) * | 2007-08-14 | 2013-09-04 | 弗卢克公司 | Digital multimeter having case panel structure |
| CN103869133A (en) * | 2012-12-18 | 2014-06-18 | 旭达电脑（昆山）有限公司 | Universal meter with meter pen groove |
| CN106771465A (en) * | 2016-12-29 | 2017-05-31 | 国家电网公司 | A kind of improved Portable universal meter |
| CN106908628A (en) * | 2017-03-01 | 2017-06-30 | 杨慧桐 | A kind of highly sensitive universal meter with insulation slipmat |
| CN110514888A (en) * | 2019-08-08 | 2019-11-29 | 东莞市华博精测仪表科技有限公司 | Digital multimeter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20121227 Decision number of declaring invalidation: 19821 Granted publication date: 20050928 |