CN104914296A - Multifunctional clamp meter - Google Patents
Multifunctional clamp meter Download PDFInfo
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- CN104914296A CN104914296A CN201510288820.XA CN201510288820A CN104914296A CN 104914296 A CN104914296 A CN 104914296A CN 201510288820 A CN201510288820 A CN 201510288820A CN 104914296 A CN104914296 A CN 104914296A
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Abstract
The invention discloses a multifunctional clamp meter comprising a master control unit, a signal switching unit, a sound-light alarm module group, a display unit, an electric torch control unit, an operation indication unit, a universal meter detection unit, a digital current measurement device and a noncontact voltage test device. The noncontact voltage test device also comprises a range finding module. An AC/DC current detection module group is the digital current measurement device. A data transmission module is also arranged. The multifunctional clamp meter is simple in structure, and the range finding module is additionally arranged on an existing clamp meter so that detection is enabled to be safer; a high-speed AD sampling module is adopted in the master controller so that data acquisition is enabled to be more rapid and accurate; and finally the data transmission module is additionally arranged so that monitored data can be transmitted to a central control room or mobile storage equipment in real time and the acquired information can be backed up timely.
Description
Technical field
The present invention relates to a kind of pincerlike meter, particularly relate to a kind of multi-functional pincerlike meter.
Background technology
Traditional digital multimeter, with its intuitive display, is measured accurately, is easy to carry and is received by the market.But along with scientific technological advance, various plant equipment, communication, the raising of electronic installation intelligence degree, Site Detection and fault diagnosis propose higher requirement to testing tool, digital versatile table function basis realizes the reproduction of the high-speed sampling to measured signal, is the demand in market, is also the inexorable trend of tool-type measurement instrument development.
The appearance of pincerlike meter makes it measure diversification more, more can carry out high speed to measured signal easily and fast to measure, existing pincerlike meter function is substantially more complete, possesses sound and light alarm module, display unit, electric torch control module, operation instruction unit, multimeter detecting unit, digital current measurement mechanism and contactless voltage test device.Can handover measurement instrument easily, intuitively display and alarm unit, but with during electrical measurement, it still be the measurement of direct reading, its data are instantaneous display, need staff to carry out with line item; When this carries out non-cpntact measurement, personnel are hand-held, need to adjust the distance and control, and closely can damage instrument if crossed.
Summary of the invention
The object of this invention is to provide a kind of multi-functional pincerlike meter, can measure detecting distance, and external unit can be sent in real time carry out storage backup detection data.
The present invention adopts following technical proposals:
A kind of multi-functional pincerlike meter, comprise main control unit, signal switch unit, sound and light alarm module, display unit, electric torch control module, operation instruction unit, multimeter detecting unit, digital current measurement mechanism and contactless voltage test device, described signal switch unit is connected with main control unit, described sound and light alarm module, display unit, multimeter detecting unit, electric torch control module is connected on main control unit, operation instruction unit and contactless voltage test device are connected in signal switch unit, contactless voltage test device comprises ac and dc current and detects module and thermometric module, ac and dc current detects module and thermometric module is connected with signal switch unit respectively, thermometric module can be dismantled and work independently separately from multi-functional pincerlike meter, described contactless voltage test device also comprises range finder module, and it is digital current measurement mechanism that described ac and dc current detects module, is also provided with data conveyor module, described range finder module connects and signal switch unit, described digital current measurement mechanism is connected with the output terminal of main control unit respectively with data conveyor module, described main control unit comprises signal differential processor, high-speed AD sampling module data filtering module and PLC, and described signal differential processor connects the output terminal of multimeter detecting unit and switch unit.
Described data conveyor module is bluetooth module, carries out analyzing and storing to external unit for carrying the detection data of multi-functional pincerlike meter.
Described data conveying equipment wireless sending module, the wireless receiving module corresponding with it is arranged on Central Control Room, carries out Real-Time Monitoring and the storage of measurement data.
Described range finder module is infrared distance measurement module.
Described digital current measurement mechanism is then made up of binding clip, jaw signal transducer, binding clip switch control knob, LCD digital display screen, rotary switch, control knob and circuit part.
Described thermometric module is provided with an infrared temperature-test sensor, described thermometric module by the energy accumulating of Target Infrared Radiation on infrared temperature-test sensor.
Described thermometric module also comprises optical sensor, and this thermometric module is connected the transmission realizing data with the signal switching person of leading by optical sensor.
Structure of the present invention is simple, sets up range finder module by existing pincerlike meter again, safer when making detection; In primary controller, adopt high-speed AD sampling module, make data acquisition more fast, accurately; Finally set up data transmission module, Monitoring Data is real-time transmitted on Central Control Room or movable storage device, Information Monitoring is backed up in time.
Accompanying drawing explanation
Fig. 1 is structural principle block diagram of the present invention;
Fig. 2 is the theory diagram of master controller of the present invention.
Embodiment
As shown in Figure 1, a kind of multi-functional pincerlike meter, comprise main control unit, signal switch unit, sound and light alarm module, display unit, electric torch control module, operation instruction unit, multimeter detecting unit, digital current measurement mechanism and contactless voltage test device, described signal switch unit is connected with main control unit, described sound and light alarm module, display unit, multimeter detecting unit, electric torch control module is connected on main control unit, operation instruction unit and contactless voltage test device are connected in signal switch unit, contactless voltage test device comprises NCV and detects module, ac and dc current detects module and thermometric module, NCV detects module, ac and dc current detects module and thermometric module is connected with signal switch unit respectively, thermometric module can be dismantled and work independently separately from multi-functional pincerlike meter, also comprise range finder module, digital current measurement mechanism and data conveyor module, described range finder module connects and signal switch unit, described digital current measurement mechanism is connected with the output terminal of main control unit respectively with data conveyor module, as shown in Figure 2, described main control unit comprises signal differential processor, high-speed AD sampling module data filtering module and PLC, described signal differential processor connects the output terminal of multimeter detecting unit and switch unit, the application adopts high-speed sampling to measure chip and novel C PU processor, to voltage, electric current, active power, power factor, the electrical quantitys such as electric energy carry out surveying and calculating.
High-speed sampling is measured general instrument and is usually adopted sample double integrator mode of the RMS average mean of 2.5 times per second to measure, and usually containing too much harmonic wave in commercial power, and such measurement data can make measurement result inaccurate along with the not equal factor of harmonic wave very content; Product mainly considers this part reason, the A/D that instrument design have employed first 44kHz high-speed sampling carries out data acquisition, carry out TRMS real effective by high-speed CPU to data to calculate and filter, thus get rid of harmonic content to the impact of electrical quantity (voltage, electric current, active power, power factor, electric energy etc.) measurement result, improve the accuracy of measurement data.
Described data conveyor module is bluetooth module, carries out analyzing and storing to external unit for carrying the detection data of multi-functional pincerlike meter.Because this device relates to the application of high-tension electricity measurement and man-machine conversation platform, man-machine conversation platform adopts based on Intelligent flat computer especially, make user faster when input operation by highly sensitive touch-screen, but that guarantees between man-machine input platform (Intelligent flat computer) and high-tension electricity parameter measurement is completely isolated simultaneously, to ensure to measure safety; By investigative analysis, Bluetooth data transfer mode is one of main selection realizing man-to-man wireless connections in commercial measurement, has the advantage of easy pairing, low energy consumption, low cost, high reliability.Therefore product increase has bluetooth module, is convenient to the postorder process of measurement data.
Described data conveying equipment also can pass through wireless sending module, and the wireless receiving module corresponding with it is arranged on Central Control Room, carries out Real-Time Monitoring and the storage of measurement data.
Described range finder module is infrared distance measurement module.Can infrared distance measurement monitoring distance be passed through, and the minimum value of distance when measuring is limited, once exceed minimum value, avoid crossing due to measuring distance closely producing danger.
Described digital current measurement mechanism is then made up of binding clip, jaw signal transducer, binding clip switch control knob, LCD digital display screen, rotary switch, control knob and circuit part.Carry out measurement by the sensor that binding clip is arranged convenient, display screen and rotary switch are used for showing numerical value and measuring gear respectively.
Described thermometric module is provided with an infrared temperature-test sensor, described thermometric module by the energy accumulating of Target Infrared Radiation on infrared temperature-test sensor.Directly can read the temperature value of target, prevent target temperature too high, be burned under the unwitting state of survey crew.
Described thermometric module also comprises optical sensor, and this thermometric module is connected the transmission realizing data with the signal switching person of leading by optical sensor.Also optical sensor can be adopted to carry out the measurement of target temperature.
High speed output is being had in the present invention, and sampled data is transferred on Intelligent flat computer and shows by the mode being connected machine by bluetooth, how to utilize these data effectively for the work that basic unit electrician personnel are daily provides better support and helps, then need system to carry out deep processing to current data, the true value of these attribute datas can be embodied.By the deep processing to data, can effectively for basic unit electrician personnel provide the useful information such as.Bearing power, instantaneous active power, instantaneous reactive power, instantaneous power factor.Signal differential processor, high-speed AD sampling module data filtering module and PLC.
Claims (7)
1. a multi-functional pincerlike meter, comprise main control unit, signal switch unit, sound and light alarm module, display unit, electric torch control module, operation instruction unit, multimeter detecting unit, digital current measurement mechanism and contactless voltage test device, described signal switch unit is connected with main control unit, described sound and light alarm module, display unit, multimeter detecting unit, electric torch control module is connected on main control unit, operation instruction unit and contactless voltage test device are connected in signal switch unit, contactless voltage test device comprises ac and dc current and detects module and thermometric module, ac and dc current detects module and thermometric module is connected with signal switch unit respectively, thermometric module can be dismantled and work independently separately from multi-functional pincerlike meter, it is characterized in that: described contactless voltage test device also comprises range finder module, it is digital current measurement mechanism that described ac and dc current detects module, is also provided with data conveyor module, described range finder module connects and signal switch unit, described digital current measurement mechanism is connected with the output terminal of main control unit respectively with data conveyor module, described main control unit comprises signal differential processor, high-speed AD sampling module data filtering module and PLC, and described signal differential processor connects the output terminal of multimeter detecting unit and switch unit.
2. multi-functional pincerlike meter according to claim 1, is characterized in that: described data conveyor module is bluetooth module, carries out analyzing and storing to external unit for carrying the detection data of multi-functional pincerlike meter.
3. multi-functional pincerlike meter according to claim 1, is characterized in that: described data conveying equipment wireless sending module, and the wireless receiving module corresponding with it is arranged on Central Control Room, carries out Real-Time Monitoring and the storage of measurement data.
4. the multi-functional pincerlike meter according to the arbitrary claim of claim 1-3, is characterized in that: described range finder module is infrared distance measurement module.
5. multi-functional pincerlike meter according to claim 4, is characterized in that: described digital current measurement mechanism is then made up of binding clip, jaw signal transducer, binding clip switch control knob, LCD digital display screen, rotary switch, control knob and circuit part.
6. multi-functional pincerlike meter according to claim 5, is characterized in that: described thermometric module is provided with an infrared temperature-test sensor, described thermometric module by the energy accumulating of Target Infrared Radiation on infrared temperature-test sensor.
7. multi-functional pincerlike meter according to claim 6, is characterized in that: described thermometric module also comprises optical sensor, and this thermometric module is connected the transmission realizing data with the signal switching person of leading by optical sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510288820.XA CN104914296A (en) | 2015-05-29 | 2015-05-29 | Multifunctional clamp meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510288820.XA CN104914296A (en) | 2015-05-29 | 2015-05-29 | Multifunctional clamp meter |
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| CN104914296A true CN104914296A (en) | 2015-09-16 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929218A (en) * | 2016-06-16 | 2016-09-07 | 华南理工大学 | Two-channel non-contact measurement device of voltage below 1000V |
| CN105974188A (en) * | 2016-06-16 | 2016-09-28 | 华南理工大学 | Three-channel noncontact lower-than-1000V voltage measurement device |
| CN108072783A (en) * | 2016-11-11 | 2018-05-25 | 弗兰克公司 | Use the contactless voltage measurement system of reference signal |
| CN109633216A (en) * | 2018-12-28 | 2019-04-16 | 国网山东省电力公司兰陵县供电公司 | Multifunction test clamp and working method |
| CN109626169A (en) * | 2019-01-29 | 2019-04-16 | 唐山司律财税咨询有限公司 | Traction elevator pit data detection device |
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| CN2126741Y (en) * | 1990-10-08 | 1993-02-03 | 唐振山 | Ch-2290 shape electrostatic voltage measuring device |
| CN201867449U (en) * | 2010-06-25 | 2011-06-15 | 深圳华盛昌机械实业有限公司 | Wireless digital clamp meter |
| CN102735379A (en) * | 2012-07-02 | 2012-10-17 | 南京泽荣自动化系统有限责任公司 | Communication type tonnage detecting module |
| CN203521140U (en) * | 2013-09-27 | 2014-04-02 | 西安圣合通环保科技有限公司 | Transformer with inductor |
| CN203535126U (en) * | 2013-08-20 | 2014-04-09 | 国家电网公司 | Portable electric field induction alarm device of electrical equipment |
| CN203732599U (en) * | 2014-01-24 | 2014-07-23 | 东莞华仪仪表科技有限公司 | Multifunctional clamp meter |
| CN204166652U (en) * | 2014-11-25 | 2015-02-18 | 国家电网公司 | Overhead transmission line region construction shockproof alarm system |
| CN204758690U (en) * | 2015-05-29 | 2015-11-11 | 国家电网公司 | Multipurpose plier table that appears |
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2015
- 2015-05-29 CN CN201510288820.XA patent/CN104914296A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2126741Y (en) * | 1990-10-08 | 1993-02-03 | 唐振山 | Ch-2290 shape electrostatic voltage measuring device |
| CN201867449U (en) * | 2010-06-25 | 2011-06-15 | 深圳华盛昌机械实业有限公司 | Wireless digital clamp meter |
| CN102735379A (en) * | 2012-07-02 | 2012-10-17 | 南京泽荣自动化系统有限责任公司 | Communication type tonnage detecting module |
| CN203535126U (en) * | 2013-08-20 | 2014-04-09 | 国家电网公司 | Portable electric field induction alarm device of electrical equipment |
| CN203521140U (en) * | 2013-09-27 | 2014-04-02 | 西安圣合通环保科技有限公司 | Transformer with inductor |
| CN203732599U (en) * | 2014-01-24 | 2014-07-23 | 东莞华仪仪表科技有限公司 | Multifunctional clamp meter |
| CN204166652U (en) * | 2014-11-25 | 2015-02-18 | 国家电网公司 | Overhead transmission line region construction shockproof alarm system |
| CN204758690U (en) * | 2015-05-29 | 2015-11-11 | 国家电网公司 | Multipurpose plier table that appears |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105929218A (en) * | 2016-06-16 | 2016-09-07 | 华南理工大学 | Two-channel non-contact measurement device of voltage below 1000V |
| CN105974188A (en) * | 2016-06-16 | 2016-09-28 | 华南理工大学 | Three-channel noncontact lower-than-1000V voltage measurement device |
| CN108072783A (en) * | 2016-11-11 | 2018-05-25 | 弗兰克公司 | Use the contactless voltage measurement system of reference signal |
| CN109633216A (en) * | 2018-12-28 | 2019-04-16 | 国网山东省电力公司兰陵县供电公司 | Multifunction test clamp and working method |
| CN109626169A (en) * | 2019-01-29 | 2019-04-16 | 唐山司律财税咨询有限公司 | Traction elevator pit data detection device |
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Application publication date: 20150916 |