CN201289497Y - Non-contact probe - Google Patents
Non-contact probe Download PDFInfo
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- CN201289497Y CN201289497Y CNU2008201262707U CN200820126270U CN201289497Y CN 201289497 Y CN201289497 Y CN 201289497Y CN U2008201262707 U CNU2008201262707 U CN U2008201262707U CN 200820126270 U CN200820126270 U CN 200820126270U CN 201289497 Y CN201289497 Y CN 201289497Y
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- probe
- voltage
- contact type
- current
- multimeter
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- 239000000523 sample Substances 0.000 title claims abstract description 81
- 230000006870 function Effects 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 244000309464 bull Species 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000013214 routine measurement Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model provides a non-contact probe, this probe detectable and show the existence of electric current/voltage and export information to external device to be used for showing the numerical value (reading) that record, and can imbed in the universal meter of any prior art as a whole in order to be used for improving the performance of prior art universal meter. The utility model discloses a probe includes: a current sensor and a voltage sensor for sensing the presence of current and voltage over a distance; an IC connected to the two sensors for processing sensed data; a power supply connected to the IC for supplying energy; a buzzer connected to the IC for giving an audible attention signal; an LCD/LED/analog meter indicator connected to the IC for giving a visual attention signal; and the pair of output terminals of the IC is used for connecting the external DMM/AMM/CMM.
Description
Technical field
The utility model relates to the measurement electric variable, relates to particularly utilizing contactless probe measurement electric variable.(G01R?1/07)
Background technology
In order to utilize any instrument such as reometer (amp gauge), voltage table or multimeter to measure electric variable, must use contact type probe.These probes always by lead-in wire, as red lead wire and black lead, are connected to instrument.Do like this, from the signal of object (object) by contact point to tat probe, then, arrive instrument and show by instrument by lead-in wire.Utilizing probe to contact any test object may not be always possible, and for example, if object is near the probe in the maccessiable hole, it is impossible then measuring.In addition, make that correctly contact between probe tip and the object also may not be always possible, for example, the surface in contact of two parts (object and probe tip) must all be clean (not having paint, coating, grease, dust etc.) and must apply enough pressure between these two parts.Incorrect contact will cause measuring error.
Therefore, long ago considered to replace contact type probe with contactless probe.HK 07110555.9[1] disclosed the probe that such being used to detects AC voltage.US6,812,685[2] also disclosed the probe that such being used to detects AC/DC voltage and DC polarity.Up to the present, also do not find prior art contactless probe of use in current detecting or measurement.[1] and [2] both only can detect the existence of AC/DC voltage, and magnitude of voltage still should be measured by contact type probe.
Therefore, people wish that the probe of their instrument is non-contact type probe.And, but people also wish described contactless probe both can detect voltage also monitoring current both, and can provide numerical value (reading).So the work that utility model people of the present utility model begins him is realizing this demand, and present patent application is his achievement.
The utility model content
First purpose of the present utility model provides a kind of contactless probe, and this contactless probe can detect electric current and show the existence of AC/DC electric current to people.Second purpose of the present utility model provides a kind of contactless probe, this contactless probe not only can detect electric current but also can detect voltage and show the existence of electric current and voltage to people, and can be by the external device (ED) output signal to be used to show the value of electric current and voltage.The 3rd purpose of the present utility model provides a kind of contactless probe, this contactless probe is embedded in the multimeter of prior art to form novel multimeter, this novel multimeter can detect the existence of electric current and voltage, and provides the value of electric current and voltage.
In order to realize above-mentioned first purpose, non-contact type current probe of the present utility model comprises: coil pickoff is used for the existence of the electric current in the sensing certain distance; Be connected to the MCU processor unit of described sensor, be used to handle the data that sense; Be connected to the LCD/LED display of described unit, be used to provide vision flash of light (visual flashing); Be connected to the loudspeaker/hummer of described unit, be used to provide sense of hearing caution signal (acousticattention); The battery that is used for supplying energy; The switch that is used for ON/OFF (on/off) circuit; Power governor is used to guarantee that the energy supplied always within the acceptable range.
In order to realize above-mentioned second purpose, non-contact type current of the present utility model and voltage probe comprise: current sensor and voltage sensor are used for the interior electric current of sensing certain distance and the existence of voltage; Be connected to the IC of described two sensors, be used to handle the data that sense; Be connected to the power supply of described IC, be used for supplying energy; Be connected to the hummer of described IC, be used to provide sense of hearing caution signal; Be connected to the LCD/LED/ analogue instrument indicator of described IC, be used to provide vision attention signal (visual attention); Pair of output of described IC is used to connect outside DMM/AMM/CMM.
In order to realize above-mentioned the 3rd purpose, the non-contact type current and the voltage probe that are embedded in the multimeter of prior art comprise: current sensor and voltage sensor are used for the electric current in the sensing certain distance and the existence of voltage; Be connected to the IC of described two sensors, be used to handle the data that sense; Be connected to the LCD/LED/ analogue instrument indicator of described IC, be used to provide the vision attention signal; Be connected to the hummer of described IC, be used to provide sense of hearing caution signal; Be connected to the DMM/AMM/CMM/MTP circuit of described IC, be used to show the numerical value (reading) that senses; Be connected to the LCD/LED/ analogue instrument indicator of described circuit, be used to provide the vision attention signal; Be connected the function selector (current/voltage) between described IC and the described circuit, be used to select different functions; Power supply is used for to all power consumption parts supplying energies; Optional connector is between described circuit and the described LCD/LED/ analogue instrument indicator and is connected to described IC and indicates by the DMM/AMM/CMM/MTP circuit being used for.
Description of drawings
Fig. 1 is the structured flowchart of non-contact type current detector probe of the present utility model.
Fig. 2 is the structured flowchart of non-contact type current of the present utility model and voltage-level detector probe.
Fig. 3 is the structured flowchart with the embedded non-contact type current/voltage-level detector probe of digital-to-analog/electric current multimeter.
Fig. 4 is the skeleton view that is used to illustrate the non-contact type current detector probe of the structured flowchart that uses Fig. 1 of the present utility model or Fig. 2.
Fig. 5 is the skeleton view that is used to illustrate the contactless voltage-level detector probe of the structured flowchart that uses Fig. 2 of the present utility model.
Fig. 6 is the skeleton view with the embedded contactless voltage and current detector probe (shape 1) of digital-to-analog/electric current multimeter that is used to illustrate the structured flowchart that uses Fig. 3 of the present utility model.
Fig. 7 A and Fig. 7 B are the skeleton views with the different views (Fig. 7 A represents front elevation, and Fig. 7 B represents rear view) of the embedded contactless voltage and current detector probe (shape 2) of digital-to-analog/electric current multimeter that is used to illustrate the structured flowchart that uses Fig. 3 of the present utility model.
Fig. 8 is the skeleton view with the embedded contactless voltage and current detector probe (shape 3) of digital-to-analog/electric current multimeter that is used to illustrate the structured flowchart that uses Fig. 3 of the present utility model.
Fig. 9 is the skeleton view with the embedded contactless voltage and current detector probe (shape 4) of digital-to-analog/electric current multimeter that is used to illustrate the structured flowchart that uses Fig. 3 of the present utility model.
Figure 10 is the skeleton view with the embedded contactless voltage and current detector probe (shape 5) of bull test probe that is used to illustrate the structured flowchart that uses Fig. 3 of the present utility model.
Embodiment
With reference to Fig. 1 and Fig. 4, Fig. 1 is the structured flowchart of non-contact type current detector probe of the present utility model, and Fig. 4 is the skeleton view that is used to illustrate the non-contact type current detector probe of the structured flowchart that uses Fig. 1 of the present utility model or Fig. 2.In this first embodiment, probe 40 is pure current detectors and only utilizes hummer sound and vision flash of light is accused the vision flash of light and informed that there is electric current in the user.In Fig. 1, coil pickoff is connected to MCU processor unit (for example, 7106).Described unit further is connected to the LCD/LED display, and be used for caution signal is flashed (transmitting rapidly) gives the user.Loudspeaker/hummer also is connected to described unit, is used for providing sense of hearing caution signal to the user.Battery, switch and power governor form power supply, are used to guarantee that the energy supplied always within the acceptable range.Fig. 4 shows the outer shape of probe.The 41st, probe tip (sensor), 42 is two plugs (plug).If the probe among Fig. 4 uses the structured flowchart of Fig. 2, then two plugs 42 can be used as and output signal to DMM/AMM/CMM or as attaching plug.
With reference to Fig. 2 and Fig. 4 and Fig. 5; Fig. 2 is the structured flowchart of non-contact type current of the present utility model and voltage-level detector probe.Fig. 4 and Fig. 5 are the outer shape of probe.In this second embodiment, probe is manufactured to has simple function, that is, any probe only can detect curtage.Therefore, current symbol "～" or voltage sign "
" needle point (syringe needle) that is added to two probes goes up (referring to Fig. 4 and Fig. 5).Second embodiment of the present utility model has lead-out terminal 42, is used for exporting signal to such as DMM (digital multimeter)/AMM (simulation multimeter)/CMM (jaw type multimeter) external device (ED).Therefore, in this second embodiment, probe 40 can be used as detecting device and also can be used as numerical value (reading) probe.
In Fig. 2, two sensors (electric current and/or voltage sensor) are connected to IC (ms-IC17 that is made by the MEET international corporation in Hong Kong).Described IC further connects LCD/LED/ analogue instrument indicator that is used for the vision flash of light and the hummer that is used for sense of hearing caution signal.There is the power supply that is used for to all power consumption parts supplying energies.Different with Fig. 1 is to be equipped with two lead-out terminals that are used for signal is passed to outside DMM/AMM/CMM, to be used for accurate numerical value reading.
Now, with reference to Fig. 3 and Fig. 6, Fig. 7 A, Fig. 7 B, Fig. 8, Fig. 9 and Figure 10.Fig. 3 is the structure diagram with the embedded non-contact type current/voltage-level detector probe of digital-to-analog/electric current multimeter.Fig. 6-Figure 10 is to use the difform probe of the structure diagram of Fig. 3.In Fig. 3, two sensors (electric current and voltage) are connected to IC (ms-IC17).LCD/LED/ analogue instrument indicator and hummer also are connected to described IC.Described IC further is connected to the DMM/AMM/CMM/MTP circuit.Described circuit also is connected to LCD/LED/ analogue instrument indicator.Function selector (current/voltage) is connected between described circuit and the described IC.Power supply is to all power consumption parts supplying energies.Described circuit is connected to the input end of described LCD/LED/ analogue instrument indicator alternatively.Fig. 6 is the 3rd embodiment of the present utility model.Wherein, two probes (current/voltage) are embedded in the housing of multimeter of prior art, and wherein two probe tips (syringe needle) 41 are projected into outside the multimeter housing.Each projection only has a kind of function (curtage) and is indicated by symbol.Though in Fig. 6, only show digital reading, also may be analog reading.
With reference to Fig. 7 A and Fig. 7 B, they are the 4th embodiments of the present utility model.This embodiment is very similar to Fig. 6, and difference is: two projections have been removed now, and two probe tips 41 among Fig. 6 submerge in the housing now, and the outside surface of housing (top) is smooth now.Fig. 7 A is a front elevation, and Fig. 7 B is a rear view.Functional symbol (current/voltage) places on the back side of shell, be used to illustrate which side be used for electric current and which side is used for voltage.
With reference to Fig. 8, it is the 5th embodiment of the present utility model.In this embodiment, two forms that probe tip is a conventional pliers 41 '.That is, clamp 41 ' can be used for routine measurement, and it also can be used for non-contact measurement simultaneously.
With reference to Fig. 9, it is the 6th embodiment of the present utility model.Different between Fig. 8 and Fig. 9 only are: clamp 41 ' is now by opening jaw 41 " replace.
With reference to Figure 10, it is the 7th embodiment of the present utility model.In this embodiment, two probes of the present utility model (electric current and voltage) are put in the big probe of multi-point prober of prior art.The multi-point prober needle point of original prior art should contact with meter socket with object.Owing to now combine with contactless probe of the present utility model, if therefore use multi-point prober in non-contact measurement, then two needle points should neither contact object and also not contact meter socket.Certainly, probe of the present utility model also can be as the multi-point prober of prior art, and wherein two needle points all contact object and meter socket.
Claims (14)
1. a contactless probe is characterized in that, comprising:
Coil pickoff is used for the existence of electric current in the sensing certain distance;
The MCU processor unit is connected to described sensor, is used to handle the data that sense;
The LCD/LED display is connected to described unit, is used to provide the vision flash of light;
Loudspeaker/hummer is connected to described unit, is used to provide sense of hearing caution signal;
Battery is used for supplying energy;
Switch is used for the ON/OFF circuit;
Power governor is used to guarantee that the energy supplied always within the acceptable range.
2. non-contact type current probe according to claim 1 is characterized in that described distance is less than 3 feet.
3. non-contact type current probe according to claim 1 is characterized in that, described MCU processor unit is 7106 molded type IC.
4. a non-contact type current probe is characterized in that, comprising:
Current sensor and voltage sensor are used for the existence of interior electric current of sensing certain distance and voltage;
IC is connected to described two sensors, is used to handle the data that sense;
Power supply is connected to described IC, is used for supplying energy;
Hummer is connected to described IC, is used to provide sense of hearing caution signal;
LCD/LED/ analogue instrument indicator is connected to described IC, is used to provide the vision attention signal;
Pair of output of described IC is used to connect outside DMM/AMM/CMM.
5. non-contact type current probe according to claim 4 is characterized in that described distance is less than 3 feet.
6. non-contact type current probe according to claim 4 is characterized in that, described IC is molded ms-IC17.
7. non-contact type current and the voltage probe in the multimeter that is embedded into prior art is characterized in that, comprising:
Current sensor and voltage sensor are used for the existence of interior electric current of sensing certain distance and voltage;
IC is connected to described two sensors, is used to handle the data that sense;
LCD/LED/ analogue instrument indicator is connected to described IC, is used to provide the vision attention signal;
Hummer is connected to described IC, is used to provide sense of hearing caution signal;
The DMM/AMM/CMM/MTP circuit is connected to described IC, is used to show the numerical value that senses;
LCD/LED/ analogue instrument indicator is connected to described circuit, is used to provide the vision attention signal;
Function selector is connected between described IC and the described circuit, is used to select different functions;
Power supply is used for to all power consumption parts supplying energies;
Optional connector between described circuit and described LCD/LED/ analogue instrument indicator, and is connected to described IC and indicates by the DMM/AMM/CMM/MTP circuit being used for.
8. non-contact type current and voltage probe in the multimeter that is embedded into prior art according to claim 7 is characterized in that described distance is less than 3 feet.
9. non-contact type current and voltage probe in the multimeter that is embedded into prior art according to claim 8 is characterized in that described IC is molded ms-IC17.
10. non-contact type current and voltage probe in the multimeter that is embedded into prior art according to claim 8 is characterized in that described electric current and voltage sensor are partly given prominence on housing.
11. non-contact type current and voltage probe in the multimeter that is embedded into prior art according to claim 8 is characterized in that, described electric current and voltage sensor submerge in the described housing and the outside surface of described housing is smooth.
12. non-contact type current and voltage probe in the multimeter that is embedded into prior art according to claim 8 is characterized in that described electric current and voltage sensor are the forms of conventional clamp.
13. non-contact type current and voltage probe in the multimeter that is embedded into prior art according to claim 8 is characterized in that described electric current and voltage sensor are the forms of opening jaw.
14. non-contact type current and voltage probe in the multimeter that is embedded into prior art according to claim 8 is characterized in that, described electric current and voltage probe are put in the big probe of multi-point prober of prior art.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK2008100012676 | 2008-02-01 | ||
| HK08101267A HK1109832A2 (en) | 2008-02-01 | 2008-02-01 | Non contact-making probes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201289497Y true CN201289497Y (en) | 2009-08-12 |
Family
ID=39711992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201262707U Expired - Lifetime CN201289497Y (en) | 2008-02-01 | 2008-07-29 | Non-contact probe |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201289497Y (en) |
| HK (1) | HK1109832A2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597365A (en) * | 2010-12-30 | 2014-02-19 | 普睿司曼股份公司 | Locating of partial-discharge-generating faults |
| CN107367630A (en) * | 2017-08-29 | 2017-11-21 | 漳州市玉山电子制造有限公司 | A kind of digital multimeter adds non-contact alternating current test circuit and method |
| TWI797153B (en) * | 2017-09-01 | 2023-04-01 | 美商富克有限公司 | Kit and proving unit for use with electrical test tools |
-
2008
- 2008-02-01 HK HK08101267A patent/HK1109832A2/en not_active IP Right Cessation
- 2008-07-29 CN CNU2008201262707U patent/CN201289497Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103597365A (en) * | 2010-12-30 | 2014-02-19 | 普睿司曼股份公司 | Locating of partial-discharge-generating faults |
| CN103597365B (en) * | 2010-12-30 | 2016-06-29 | 普睿司曼股份公司 | The location equipment of the fault that partial discharge produces and method |
| US10209290B2 (en) | 2010-12-30 | 2019-02-19 | Prysmian S.P.A. | Locating of partial-discharge-generating faults |
| CN107367630A (en) * | 2017-08-29 | 2017-11-21 | 漳州市玉山电子制造有限公司 | A kind of digital multimeter adds non-contact alternating current test circuit and method |
| TWI797153B (en) * | 2017-09-01 | 2023-04-01 | 美商富克有限公司 | Kit and proving unit for use with electrical test tools |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1109832A2 (en) | 2008-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090812 |