CN204595050U - Gear caution system measured by a kind of multimeter - Google Patents
Gear caution system measured by a kind of multimeter Download PDFInfo
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- CN204595050U CN204595050U CN201520297279.4U CN201520297279U CN204595050U CN 204595050 U CN204595050 U CN 204595050U CN 201520297279 U CN201520297279 U CN 201520297279U CN 204595050 U CN204595050 U CN 204595050U
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- test pencil
- red test
- meter pen
- touch sensible
- multimeter
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Abstract
The utility model discloses a kind of multimeter and measure gear caution system, solve the problem of easily misapplying owing to lacking prompting in multimeter uses and measuring gear.The handwriting being included in red test pencil (1) is provided with red test pencil capacitance touch induction microswitch (3), multimeter (14) is respectively arranged with direct supply (12), flashing indicating light emitting diode (9), voice prompting device (10), warning circuit switch (11) is connected jack (7) with red test pencil touch sensible, one end of red test pencil capacitance touch induction microswitch (3) is held with the A of red test pencil touch sensible attachment plug (5) and is electrically connected, the red other end of test pencil capacitance touch induction microswitch (3) and the B of red test pencil touch sensible attachment plug (5) hold and are electrically connected, red test pencil capacitance touch induction microswitch (3) and flashing indicating light emitting diode (9), voice prompting device (10) is electrically connected.Ensure that the safety of meter meter and circuit-under-test.
Description
Technical field
The present invention relates to a kind of electric parameters parameter testing alarm prompt system, particularly a kind of gear alarm prompt system of multimeter, the testing tool equipment being applicable to measure the electric parameters parameter such as combined-voltage, electric current, resistance uses.
Background technology
Multimeter is a kind of common survey instrument, and it is formed primarily of display gauge head, metering circuit and switch three critical pieces.By conversion multimeter gear switch, can carry out combined-voltage, ac and dc current, the isoparametric measurement of resistance, therefore multimeter obtains in all trades and professions and uses widely.Multimeter in use, need to measure gear according to the actual conditions frequent changes measured, and current multimeter testing tool is all without gear prompt facility, often occur causing the phenomenon damaged multimeter or cause tested loop exception owing to forgeing switching gear.Such as: multimeter gear switch goes measuring voltage when current measurement gear or resistance measurement gear, and multimeter will be made to burn out.For another example: in transformer substation switch operational process during transmission relay protection device; it is generally the correctness being judged loop by the DC voltage value of multimeter measurement output clamping both sides; if now; multimeter gear measures the voltage in this loop at resistance measurement gear; just may cause run switch mistrip, cause the generation of transformer station's power outage.
Summary of the invention
The invention provides a kind of multimeter and measure gear caution system, solve the technical matters of easily misapplying owing to lacking prompting in multimeter uses and measuring gear.
The present invention solves above technical matters by the following technical programs:
Gear caution system measured by a kind of multimeter, comprise multimeter, multimeter is respectively arranged with multimeter gear switch transition switch, red test pencil test jack and black meter pen test jack, red test pencil is plugged in red test pencil test jack by red test pencil test plug, black meter pen is plugged in black meter pen test jack by black meter pen test plug, the handwriting of red test pencil is provided with red test pencil capacitance touch induction microswitch, multimeter is respectively arranged with direct supply, flashing indicating light emitting diode, voice prompting device, warning circuit switch is connected jack with red test pencil touch sensible, red test pencil capacitance touch induction one end of microswitch and the A of red test pencil touch sensible attachment plug hold and are electrically connected, the red test pencil capacitance touch induction other end of microswitch and the B of red test pencil touch sensible attachment plug hold and are electrically connected, one end that the A end of red test pencil touch sensible attachment plug connects jack and warning circuit switch by red test pencil touch sensible is electrically connected, one end that the B end of red test pencil touch sensible attachment plug connects jack and voice prompting device by red test pencil touch sensible is electrically connected, the other end of voice prompting device and the negative terminal of direct supply are electrically connected, the anode of direct supply and the other end of warning circuit switch are electrically connected, voice prompting device is parallel with flashing indicating light emitting diode.
The handwriting of black meter pen is provided with black meter pen capacitance touch induction microswitch, multimeter is provided with black meter pen touch sensible and connects jack, black meter pen capacitance touch induction one end of microswitch and the C of black meter pen touch sensible attachment plug hold and are electrically connected, the black meter pen capacitance touch induction other end of microswitch and the D of black meter pen touch sensible attachment plug hold and are electrically connected, the C end of black meter pen touch sensible attachment plug is held by the A that black meter pen touch sensible connects jack and the attachment plug of red test pencil touch sensible and is electrically connected, the D end of black meter pen touch sensible attachment plug is held by the B that black meter pen touch sensible connects jack and the attachment plug of red test pencil touch sensible and is electrically connected.
The handwriting of red test pencil is provided with the red test pencil capacitance touch induction microswitch of multiple parallel connection; The handwriting of black meter pen is provided with the black meter pen capacitance touch induction microswitch of multiple parallel connection.
Present invention achieves and enhance multimeter end user by acousto-optic hint and first will confirm gear, after carry out the security testing process measured.Solve table meter that current multimeter causes without gear prompt system to damage and the defect of circuit-under-test exception, ensure that the safety of meter meter and circuit-under-test.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of warning circuit of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
Gear caution system measured by a kind of multimeter, comprise multimeter 14, multimeter 14 is respectively arranged with multimeter gear switch transition switch 13, red test pencil test jack 17 and black meter pen test jack 18, red test pencil 1 is plugged in red test pencil test jack 17 by red test pencil test plug 15, black meter pen 2 is plugged in black meter pen test jack 18 by black meter pen test plug 16, the handwriting of red test pencil 1 is provided with red test pencil capacitance touch induction microswitch 3, multimeter 14 is respectively arranged with direct supply 12, flashing indicating light emitting diode 9, voice prompting device 10, warning circuit switch 11 is connected jack 7 with red test pencil touch sensible, red test pencil capacitance touch induction one end of microswitch 3 and the A of red test pencil touch sensible attachment plug 5 hold and are electrically connected, the red test pencil capacitance touch induction other end of microswitch 3 and the B of red test pencil touch sensible attachment plug 5 hold and are electrically connected, the A end of red test pencil touch sensible attachment plug 5 connects jack 7 by red test pencil touch sensible and is electrically connected with one end of warning circuit switch 11, the B end of red test pencil touch sensible attachment plug 5 connects jack 7 by red test pencil touch sensible and is electrically connected with one end of voice prompting device 10, the other end of voice prompting device 10 and the negative terminal of direct supply 12 are electrically connected, the anode of direct supply 12 and the other end of warning circuit switch 11 are electrically connected, voice prompting device 10 is parallel with flashing indicating light emitting diode 9.
The handwriting of black meter pen 2 is provided with black meter pen capacitance touch induction microswitch 4, multimeter 14 is provided with black meter pen touch sensible and connects jack 8, black meter pen capacitance touch induction one end of microswitch 4 and the C of black meter pen touch sensible attachment plug 6 hold and are electrically connected, the black meter pen capacitance touch induction other end of microswitch 4 and the D of black meter pen touch sensible attachment plug 6 hold and are electrically connected, the C end of black meter pen touch sensible attachment plug 6 connects jack 8 by black meter pen touch sensible and to hold with the A of red test pencil touch sensible attachment plug 5 and be electrically connected, the D end of black meter pen touch sensible attachment plug 6 connects jack 8 by black meter pen touch sensible and to hold with the B of red test pencil touch sensible attachment plug 5 and be electrically connected.
When tester uses multimeter, owing to being provided with the red test pencil capacitance touch induction microswitch 3 of multiple parallel connection in the handwriting of red test pencil 1, the handwriting of black meter pen 2 is provided with the black meter pen capacitance touch induction microswitch 4 of multiple parallel connection, when two hands touch the induction region of red-black test pencil respectively, as long as have arbitrary road to connect in red test pencil capacitance touch induction microswitch 3 and black meter pen capacitance touch induction microswitch 4, will trigger flashing point out light emitting diode 9 luminous, voice prompting device 10 sends voice prompt.Light emitting diode 9 carries out flash for prompting by flashlight with the frequency of flicker per second 3 times, and is in flash for prompting state in whole test process always; Voice prompting device 10 with every 2 seconds frequencies once by loudspeaker, is continued the suggestion voice that 10 seconds report " PLSCONFM gear ", enters every 15 seconds afterwards and reresent a secondary program.
Claims (3)
1. gear caution system measured by a multimeter, comprise multimeter (14), multimeter (14) is respectively arranged with multimeter gear switch transition switch (13), red test pencil test jack (17) and black meter pen test jack (18), red test pencil (1) is plugged in red test pencil test jack (17) by red test pencil test plug (15), black meter pen (2) is plugged in black meter pen test jack (18) by black meter pen test plug (16), it is characterized in that, the handwriting of red test pencil (1) is provided with red test pencil capacitance touch induction microswitch (3), multimeter (14) is respectively arranged with direct supply (12), flashing indicating light emitting diode (9), voice prompting device (10), warning circuit switch (11) is connected jack (7) with red test pencil touch sensible, red one end of test pencil capacitance touch induction microswitch (3) and the A of red test pencil touch sensible attachment plug (5) hold and are electrically connected, the red other end of test pencil capacitance touch induction microswitch (3) and the B of red test pencil touch sensible attachment plug (5) hold and are electrically connected, the A end of red test pencil touch sensible attachment plug (5) connects jack (7) by red test pencil touch sensible and is electrically connected with one end of warning circuit switch (11), the B end of red test pencil touch sensible attachment plug (5) connects jack (7) by red test pencil touch sensible and is electrically connected with one end of voice prompting device (10), the other end of voice prompting device (10) and the negative terminal of direct supply (12) are electrically connected, the anode of direct supply (12) and the other end of warning circuit switch (11) are electrically connected, voice prompting device (10) is parallel with flashing indicating light emitting diode (9).
2. gear caution system measured by a kind of multimeter according to claim 1, it is characterized in that, the handwriting of black meter pen (2) is provided with black meter pen capacitance touch induction microswitch (4), multimeter (14) is provided with black meter pen touch sensible and connects jack (8), one end of black meter pen capacitance touch induction microswitch (4) and the C of black meter pen touch sensible attachment plug (6) hold and are electrically connected, the other end of black meter pen capacitance touch induction microswitch (4) and the D of black meter pen touch sensible attachment plug (6) hold and are electrically connected, the C end of black meter pen touch sensible attachment plug (6) connects jack (8) by black meter pen touch sensible and to hold with the A of red test pencil touch sensible attachment plug (5) and be electrically connected, the D end of black meter pen touch sensible attachment plug (6) connects jack (8) by black meter pen touch sensible and to hold with the B of red test pencil touch sensible attachment plug (5) and be electrically connected.
3. gear caution system measured by a kind of multimeter according to claim 2, it is characterized in that, the handwriting of red test pencil (1) is provided with red test pencil capacitance touch induction microswitch (3) of multiple parallel connection; The handwriting of black meter pen (2) is provided with black meter pen capacitance touch induction microswitch (4) of multiple parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520297279.4U CN204595050U (en) | 2015-05-08 | 2015-05-08 | Gear caution system measured by a kind of multimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520297279.4U CN204595050U (en) | 2015-05-08 | 2015-05-08 | Gear caution system measured by a kind of multimeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204595050U true CN204595050U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520297279.4U Active CN204595050U (en) | 2015-05-08 | 2015-05-08 | Gear caution system measured by a kind of multimeter |
Country Status (1)
| Country | Link |
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| CN (1) | CN204595050U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865431A (en) * | 2015-05-08 | 2015-08-26 | 国网山西省电力公司电力科学研究院 | Universal meter measuring gear warning system |
| CN109959812A (en) * | 2019-04-28 | 2019-07-02 | 深圳市兴威帆电子技术有限公司 | The test pencil and control method of multimeter with measurement instruction function |
| CN110879307A (en) * | 2019-11-29 | 2020-03-13 | 广州供电局有限公司 | Voltage resistance test meter based on relay protection specialty |
| CN111693747A (en) * | 2020-07-23 | 2020-09-22 | 上海四达电子仪表有限公司 | Universal meter |
-
2015
- 2015-05-08 CN CN201520297279.4U patent/CN204595050U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865431A (en) * | 2015-05-08 | 2015-08-26 | 国网山西省电力公司电力科学研究院 | Universal meter measuring gear warning system |
| CN109959812A (en) * | 2019-04-28 | 2019-07-02 | 深圳市兴威帆电子技术有限公司 | The test pencil and control method of multimeter with measurement instruction function |
| CN109959812B (en) * | 2019-04-28 | 2022-03-29 | 深圳市兴威帆电子技术有限公司 | Meter pen of multimeter with measurement indication function and control method |
| CN110879307A (en) * | 2019-11-29 | 2020-03-13 | 广州供电局有限公司 | Voltage resistance test meter based on relay protection specialty |
| CN111693747A (en) * | 2020-07-23 | 2020-09-22 | 上海四达电子仪表有限公司 | Universal meter |
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