CN103134978B - Can the hook table of multimetering - Google Patents
Can the hook table of multimetering Download PDFInfo
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- CN103134978B CN103134978B CN201110379483.7A CN201110379483A CN103134978B CN 103134978 B CN103134978 B CN 103134978B CN 201110379483 A CN201110379483 A CN 201110379483A CN 103134978 B CN103134978 B CN 103134978B
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- hook
- multimetering
- measuring
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Abstract
The invention provides a kind of can the hook table of multimetering, this hook table comprises current measuring unit, analog digital converting unit and measuring position identifying unit.This current measuring unit comprises the plural current measurement position corrected according to this measuring position identifying unit; The current measurement position measurement electric current that this current measuring unit judges according to this measuring position identifying unit.Whereby, this hook table can measure the current measurement position of plural correction, and exports or display.
Description
Technical field
The present invention about a kind of hook table, particularly a kind of can the hook table of multimetering.
Background technology
As universal electric meter (multimeter), hook table (clampmeter) is conventional electronic measuring device; Hook table does not need the electric current can measured in conductor (such as electric wire) in electrical contact.After hook table is produced, hook table can carry out error correction, and such hook table can be measured more accurately and show the electric current in conductor.
But current existing hook table exists a shortcoming, that is exactly user when the electric current using hook table to measure in conductor, and conductor must be placed on hook table hook portion centre (because only have hook table hook portion centre can error correction); Otherwise the electric current in conductor can not be accurately measured and show; Inconvenient so in the extreme.
Summary of the invention
In view of this, fundamental purpose of the present invention be to provide a kind of can the hook table of multimetering, this hook table can measure the current measurement position of plural correction, and exports or display.
For achieving the above object, of the present inventionly the hook table of multimetering can comprise current measuring unit, this current measuring unit comprises the current measurement position of plural correction.
Further, this hook table also comprises measuring position identifying unit, is electrically connected to described current measuring unit; Wherein this current measuring unit comprises the plural current measurement position corrected according to this measuring position identifying unit, the current measurement position measurement electric current that this current measuring unit judges according to this measuring position identifying unit.
Further, described measuring position identifying unit comprises measuring position initialization circuit, is electrically connected to described current measuring unit; Wherein this current measuring unit comprises the plural current measurement position corrected according to this measuring position initialization circuit, and this current measuring unit is according to the current measurement position measurement electric current of this measuring position initialization circuit setting.
Further, described measuring position identifying unit comprises measuring position testing circuit, is electrically connected to described current measuring unit; Wherein this current measuring unit comprises the plural current measurement position corrected according to this measuring position testing circuit, the current measurement position measurement electric current that this current measuring unit detects according to this measuring position testing circuit.
Further, described measuring position testing circuit comprises plural current inductor, and this current inductor is electrically connected to described current measuring unit.
Further, this hook table also comprises: analog digital converting unit, is electrically connected to described current measuring unit; And display unit, be electrically connected to this analog digital converting unit.
Further, described measuring position initialization circuit is on-off circuit, key circuit or knob circuit, so as to setting the current measurement position of described current measuring unit; Described analog digital converting unit is fast hi-resolution analog-digital converter; Described display unit is display.
Further, this hook table also comprises: measure body, coated described analog digital converting unit; And hook portion, be arranged at one end of this measurement body.
Further, described hook portion comprises upper end recess, and this upper end recess is arranged at the upper end of this hook portion.
Further, described hook portion comprises lower end recess, and this lower end recess is arranged at the lower end of this hook portion.
Compared to prior art, of the present invention can the hook table of multimetering can setting measurement position be hook portion centre, the upper end recess of hook portion or the lower end recess (even any position) of hook portion, or automatically detecting conductor position to determine measuring position, the electric current in conductor all can be accurately measured and show.
Accompanying drawing explanation
Fig. 1 be of the present invention can the embodiment block scheme of hook table of multimetering;
Fig. 2 be of the present invention can another embodiment block scheme of hook table of multimetering;
Fig. 3 be of the present invention can the embodiment schematic perspective view of hook table of multimetering;
Fig. 4 be of the present invention can another embodiment schematic perspective view of hook table of multimetering.
Description of reference numerals
Can hook table 10 current measuring unit 102 of multimetering
Analog digital converting unit 104 display unit 110
Measuring position identifying unit 112 measuring position initialization circuit 114
Measuring position testing circuit 122 current inductor 124
Measure body 126 hook portion 128
Upper end recess 130 lower end recess 132
First wire 20 second wire 22
Embodiment
Detailed description for the present invention and technology contents, be described as follows cooperation accompanying drawing, but appended accompanying drawing is only as illustrative purposes, not for limiting to the present invention.
Please refer to Fig. 1, for of the present invention can the block scheme of embodiment of hook table of multimetering.Of the present inventionly the hook table 10 of multimetering can comprise current measuring unit 102, analog digital converting unit 104, display unit 110 and measuring position identifying unit 112; This measuring position identifying unit 112 comprises measuring position initialization circuit 114.
This analog digital converting unit 104 is electrically connected to this current measuring unit 102 and this display unit 110; This measuring position identifying unit 112 is electrically connected to this current measuring unit 102; This measuring position initialization circuit 114 is electrically connected to this current measuring unit 102.
Please refer to Fig. 3, for of the present invention can the schematic perspective view of embodiment of hook table of multimetering.This hook table 10 of multimetering also can comprise and measures body 126 and hook portion 128.
This measurement body 126 is in order to this analog digital converting unit 104 coated; This hook portion 128 is arranged at one end of this measurement body 126; This hook portion 128 comprises upper end recess 130, and this upper end recess 130 is arranged at the upper end of this hook portion 128.
Please refer to Fig. 4, for of the present invention can the schematic perspective view of another embodiment of hook table of multimetering.Fig. 4 and Fig. 3 is similar; The difference of Fig. 4 and Fig. 3 is to replace this upper end recess 130 with lower end recess 132 (being arranged at the lower end of this hook portion 128).
This current measuring unit 102 comprises the plural current measurement position corrected according to this measuring position identifying unit 112 (this measuring position initialization circuit 114); That is, this can after the hook table 10 of multimetering be produced, this can the hook table 10 of multimetering can carry out error correction according to different current measurement positions (such as this hook portion 128 centre, this upper end recess 130 or this lower end recess 132), this measuring position identifying unit 112 (this measuring position initialization circuit 114) is in order to set the current measurement position of (selection) this current measuring unit 102.
This current measuring unit 102 judges the current measurement position measurement electric current of (selecting setting) according to this measuring position identifying unit 112 (this measuring position initialization circuit 114).
This measuring position identifying unit 112 (this measuring position initialization circuit 114) can be on-off circuit, key circuit or knob circuit; This analog digital converting unit 104 can be fast hi-resolution analog-digital converter; This display unit 110 can be display.
Please refer to Fig. 2, for of the present invention can the block scheme of another embodiment of hook table of multimetering.Of the present inventionly the hook table 10 of multimetering can comprise current measuring unit 102, analog digital converting unit 104, display unit 110 and measuring position identifying unit 112; This measuring position identifying unit 112 comprises measuring position testing circuit 122; This measuring position testing circuit 122 comprises plural current inductor 124.
This analog digital converting unit 104 is electrically connected to this current measuring unit 102 and this display unit 110; This measuring position identifying unit 112 is electrically connected to this current measuring unit 102; This measuring position testing circuit 122 is electrically connected to this current measuring unit 102; This current inductor 124 is electrically connected to this current measuring unit 102.
Please refer to Fig. 3, for of the present invention can the schematic perspective view of embodiment of hook table of multimetering.This hook table 10 of multimetering also can comprise and measures body 126 and hook portion 128.
This measurement body 126 is in order to this analog digital converting unit 104 coated; This hook portion 128 is arranged at one end of this measurement body 126; This hook portion 128 comprises upper end recess 130, and this upper end recess 130 is arranged at the upper end of this hook portion 128.
Please refer to Fig. 4, for of the present invention can the schematic perspective view of another embodiment of hook table of multimetering.Fig. 4 and Fig. 3 is similar; The difference of 4 figure and Fig. 3 is to replace this upper end recess 130 with lower end recess 132 (being arranged at the lower end of this hook portion 128).
This current measuring unit 102 comprises the plural current measurement position corrected according to this measuring position identifying unit 112 (this measuring position testing circuit 122); That is, this can after the hook table 10 of multimetering be produced, this can the hook table 10 of multimetering can carry out error correction according to different current measurement positions (such as this hook portion 128 centre, this upper end recess 130 or this lower end recess 132), this measuring position identifying unit 112 (this measuring position testing circuit 122) is in order to detect and to set the current measurement position of (selection) this current measuring unit 102.
This current measuring unit 102 judges the current measurement position measurement electric current of (detect and select setting) according to this measuring position identifying unit 112 (this measuring position testing circuit 122).
This analog digital converting unit 104 can be fast hi-resolution analog-digital converter; This display unit 110 can be display.
Refer again to Fig. 3 and Fig. 4; Of the present inventionly the hook table 10 of multimetering can to apply this upper end recess 130 or this lower end recess 132 and measure first wire 20 with small electric stream (wire diameter is less, as shown in Figure 3), this first wire 20 can be made whereby measured in tram (centre, i.e. this upper end recess 130 centre or this lower end recess centre) more accurately; Of the present inventionly the hook table 10 of multimetering can to apply this hook portion 128 centre measurement and there is the second wire 22 of larger current (wire diameter is comparatively large, as shown in Figure 4).
There is a shortcoming in current existing hook table, that is exactly user when the electric current using hook table to measure in conductor, and conductor must be placed on hook table hook portion centre, otherwise the electric current in conductor can not be accurately measured and show.Of the present invention the hook table of multimetering then can not exist this shortcoming; Can setting measurement position be hook portion centre, the upper end recess of hook portion or the lower end recess (even any position) of hook portion, or automatically detect conductor position to determine measuring position, the electric current in conductor all can be accurately measured and show.In another embodiment, of the present inventionly the hook table of multimetering the current measurement position of plural correction can be measured, so as to exporting or display.
The above, be only illustrating of preferred embodiment of the present invention, and be not used to limit to protection scope of the present invention, and other any equivalent transformation all should belong to the right of the application.
Claims (6)
1. can the hook table of multimetering, it is characterized in that, this hook table comprises:
Current measuring unit;
Measuring position identifying unit, is electrically connected to described current measuring unit;
Wherein said measuring position identifying unit comprises measuring position initialization circuit, is electrically connected to described current measuring unit; Wherein this current measuring unit comprises the plural current measurement position corrected according to this measuring position initialization circuit, and this current measuring unit is according to the current measurement position measurement electric current of this measuring position initialization circuit setting.
2. as claimed in claim 1 can the hook table of multimetering, it is characterized in that, this hook table also comprises:
Analog digital converting unit, is electrically connected to described current measuring unit; And
Display unit, is electrically connected to this analog digital converting unit.
3. as claimed in claim 2 can the hook table of multimetering, it is characterized in that, described measuring position initialization circuit is on-off circuit, key circuit or knob circuit, so as to setting the current measurement position of described current measuring unit; Described analog digital converting unit is fast hi-resolution analog-digital converter; Described display unit is display.
4. as claimed in claim 3 can the hook table of multimetering, it is characterized in that, this hook table also comprises:
Measure body, coated described analog digital converting unit; And
Hook portion, is arranged at one end of this measurement body.
5. as claimed in claim 4 can the hook table of multimetering, it is characterized in that, described hook portion comprises upper end recess, and this upper end recess is arranged at the upper end of this hook portion.
6. as claimed in claim 4 can the hook table of multimetering, it is characterized in that, described hook portion comprises lower end recess, and this lower end recess is arranged at the lower end of this hook portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110379483.7A CN103134978B (en) | 2011-11-24 | 2011-11-24 | Can the hook table of multimetering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110379483.7A CN103134978B (en) | 2011-11-24 | 2011-11-24 | Can the hook table of multimetering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103134978A CN103134978A (en) | 2013-06-05 |
| CN103134978B true CN103134978B (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110379483.7A Active CN103134978B (en) | 2011-11-24 | 2011-11-24 | Can the hook table of multimetering |
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| Country | Link |
|---|---|
| CN (1) | CN103134978B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473244A (en) * | 1992-09-17 | 1995-12-05 | Libove; Joel M. | Apparatus for measuring voltages and currents using non-contacting sensors |
| CN2462391Y (en) * | 2001-01-03 | 2001-11-28 | 錞镱科技股份有限公司 | Hook meter measurer |
| CN1920580A (en) * | 2005-08-24 | 2007-02-28 | 珠海市科荟电器有限公司 | Forcipated mutual-inductor, forcipated ammeter and verification method of forcipated ammeter |
| TW201120457A (en) * | 2009-12-10 | 2011-06-16 | Appa Technology Corp | Separation-type avometer |
| CN202383193U (en) * | 2011-11-24 | 2012-08-15 | 錞镱科技股份有限公司 | Hook table capable of carrying out multi-point measurement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009004647A2 (en) * | 2007-05-18 | 2009-01-08 | Rishabh Instruments Private Limited | Clamp meter with safe trigger mechanism |
-
2011
- 2011-11-24 CN CN201110379483.7A patent/CN103134978B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473244A (en) * | 1992-09-17 | 1995-12-05 | Libove; Joel M. | Apparatus for measuring voltages and currents using non-contacting sensors |
| CN2462391Y (en) * | 2001-01-03 | 2001-11-28 | 錞镱科技股份有限公司 | Hook meter measurer |
| CN1920580A (en) * | 2005-08-24 | 2007-02-28 | 珠海市科荟电器有限公司 | Forcipated mutual-inductor, forcipated ammeter and verification method of forcipated ammeter |
| TW201120457A (en) * | 2009-12-10 | 2011-06-16 | Appa Technology Corp | Separation-type avometer |
| CN202383193U (en) * | 2011-11-24 | 2012-08-15 | 錞镱科技股份有限公司 | Hook table capable of carrying out multi-point measurement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103134978A (en) | 2013-06-05 |
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