CN201477127U - Probe of oscilloscope - Google Patents
Probe of oscilloscope Download PDFInfo
- Publication number
- CN201477127U CN201477127U CN2009201872079U CN200920187207U CN201477127U CN 201477127 U CN201477127 U CN 201477127U CN 2009201872079 U CN2009201872079 U CN 2009201872079U CN 200920187207 U CN200920187207 U CN 200920187207U CN 201477127 U CN201477127 U CN 201477127U
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- Prior art keywords
- probe
- indication
- oscillograph
- control terminal
- light emitting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model belongs to the technical field of oscilloscopes, relating to a probe of an oscilloscope. The oscilloscope probe comprises a probe, a front end of the probe, a probe wire and a lead-in joint of the oscilloscope; the front end of each probe is provided with a group of indication and control terminals comprising an indication lamp and a control key-press; N groups of indication and control terminals of N probes connected with N wave-shaped channels of the oscilloscope are connected with a micro-processor of the oscilloscope through an interface circuit. The N groups of indication and control terminals on the N probes are corresponding to each wave-shaped channel of the oscilloscope one by one by the micro-processor of the oscilloscope; the micro-processor of the oscilloscope controls the indication lamp to work according to the wave-shaped state of the channel; a multifunctional operating key-press in the front end of the probe is convenient to operate, thereby being capable of conveniently being used for testing authentication in connection relation or updating measured wave-shaped channel; the front end of the probe is easily corresponding to the wave-shaped channel one by one through the probe of oscilloscope, and the front end of the probe conveniently and quickly controls the corresponding wave shape.
Description
Affiliated technical field
The utility model belongs to the oscillograph technical field, relates to a kind of oscilloprobe.
Background technology
Oscillograph is the electronic device of observation waveform, and an oscillograph (or a system of Oscillograph) generally includes a plurality of undulating paths, and each passage is surveyed probe by one or surveyed line and introduce measured signal.The major function of current oscillographic probe is with the undistorted introducing oscillograph of measured signal, mainly partly is made up of probe, probe wire, oscilloscope signal introducing joint etc.The most general oscilloprobe is high resistant (1M Ω) voltage probe, and the probe of probe front end comprises the probe contacts, attenuation ratio of aciculiform (as 10: 1,1: 1 etc.) selecting arrangement etc.Probe wire is generally concentric cable.Oscillograph is introduced shank and is comprised adjustable compensation condenser, and can insert oscillograph by BNC connector.Because probe wire is generally long, in application, when the number of signals of test simultaneously more for a long time, occur uncertain or suspect the situation that the test connection reliability need be verified to test annexation (probe front end＜---〉channel number or waveform) through regular meeting; Maybe need to find the front end of a probe, change into and survey another signal.Current oscilloprobe has a kind of solution, and the front end at probe identifies with colour circle exactly, and it is identical with the color of the passage waveform be connected of popping one's head in to require the color of colour circle.Current techniques has some defectives in application: along with development of electronic technology, sometimes need the signal tested simultaneously more (may use many oscillographs or the system of synchronism detection), because probe has certain length, and the color category that can be used for identifying is limited, the color of a different easy identification can not be provided for each waveform and the colour circle of probe front end, at this moment just be not easy to carry out corresponding with the test probe front end display waveform.
The utility model content
The purpose of this utility model provides a kind of easily with test probe front end and undulating path oscilloprobe one to one.
Oscilloprobe provided by the utility model, comprise probe, probe front end, probe wire and oscillograph introducing joint, be characterized in being equipped with on described each probe front end one group of indication, control terminal that is made of pilot lamp and control button, N the indication of N group, the control terminal of popping one's head in that joins with an oscillograph N undulating path joins by interface circuit and oscillographic microprocessor.
Described interface circuit is by the interface single-chip microcomputer, the USB interface connector constitutes, the primary power of interface single-chip microcomputer, differential data line, digitally connect the power pins line of USB interface connector respectively, the differential data lead-foot-line, the grounding pin line, the USB interface connector connects the USB mouth of oscillographic microprocessor, one group of indication of being equipped with on each probe front end, pilot lamp in the control terminal and control button adopt light emitting diode and multifunction push key respectively, a contact ground connection of the negative pole of light emitting diode and multifunction push key, another contact of the positive pole of light emitting diode and multifunction push key respectively joins with two of interface single-chip processor i/o mouth respectively by a resistance, the N group indication of N the probe that joins with an oscillograph N undulating path, control terminal joins with the 2N position of interface single-chip processor i/o mouth respectively.
Described interface circuit can also be N three wiring connectors that join with the oscillograph microprocessor, one group of indication of being equipped with on each probe front end, pilot lamp in the control terminal and control button adopt light emitting diode and multifunction push key respectively, a contact of the negative pole of light emitting diode and multifunction push key connects the grounding pin line of one three wiring connector, another contact of the positive pole of light emitting diode and multifunction push key respectively connects two signal pins lines of this three wiring connector respectively by a resistance, indicate with N the N group of popping one's head in that an oscillograph N undulating path joins, control terminal joins with N three wiring connectors respectively.
The utility model is equipped with one group of indication, control terminal that is made of pilot lamp and control button on each probe front end, N the indication of N group, the control terminal of popping one's head in that joins with an oscillograph N undulating path joins by interface circuit and oscillographic microprocessor.By oscillographic microprocessor that the indication of N group, each undulating path of control terminal and oscillograph of N probe is corresponding one by one, the duty of pilot lamp is controlled according to channel wave shape attitude by oscillographic microprocessor, the probe front end pilot lamp as required several indicating status can be arranged: go out, bright, the flicker; The waveform of the expression respective channel of going out is closed, the waveform of bright expression respective channel is opened, the waveform of flicker expression respective channel is opened, and be the current waveform of operating: when the user selects a waveform or operates a waveform by oscilloscope panel, the pilot lamp flicker of corresponding probe front end.Sometimes the light for fear of pilot lamp exerts an influence to tested circuit, by the deixis that can forbid pilot lamp that is provided with at oscillograph interface.Also can use the different color characteristics of pilot lamp to represent the state that the passage waveform is different.Be positioned at the control button of the front end of oscilloprobe, handled easily, can be used for sending instruction to oscillograph, confirm in the other direction the waveform that shows on the oscillograph screen corresponding with it, can be advantageously used in testing the checking of annexation, or being used to upgrade the undulating path of measurement, the additional characteristic of control button of probe front end is to be used for realizing easily the quick, intelligent test of some production lines: cls, auto-scaling, refresh test, carry out next parameter testing etc.The available different different control of button duration representative to save key number, realizes more control.
Oscilloprobe provided by the utility model is owing to be provided with one group of indication, control terminal that is made of pilot lamp and control button at the probe front end, and N the indication of N group, the control terminal of popping one's head in that joins with an oscillograph N undulating path joins by interface circuit and oscillographic microprocessor.By oscillographic microprocessor with N organize indication, each undulating path of control terminal and oscillograph is corresponding one by one, from indication, the duty of pilot lamp can be understood the situation of current operation waveform easily on the control terminal, be positioned at the control button of the front end of oscilloprobe, handled easily, can be used for sending instruction to oscillograph, confirm in the other direction the waveform that shows on the oscillograph screen corresponding with it, can be advantageously used in testing the checking of annexation, or be used to upgrade the undulating path of measurement.Oscilloprobe provided by the utility model has been realized the one-to-one relationship of probe front end and undulating path.
Description of drawings
Fig. 1 is a schematic block circuit diagram between oscilloprobe indication provided by the utility model, control terminal and oscillograph;
Fig. 2 is profile, the structural representation of oscilloprobe provided by the utility model;
Fig. 3 is the indication of oscilloprobe provided by the utility model, the circuit diagram of first embodiment that control terminal is connected with interface circuit;
Fig. 4 is the indication of oscilloprobe provided by the utility model, the circuit diagram of second embodiment that control terminal is connected with interface circuit.
Embodiment
Further specify enforcement of the present utility model below in conjunction with accompanying drawing.Fig. 1 is a schematic block circuit diagram between oscilloprobe indication provided by the utility model, control terminal and oscillograph, and Fig. 2 is profile, the structural representation of oscilloprobe provided by the utility model.Referring to Fig. 1: one group of indication, control terminal that is made of pilot lamp and control button is housed on each probe, and the N of N the probe that joins with an oscillograph N undulating path organizes and indicates, control terminal joins by interface circuit and oscillographic microprocessor.By oscillographic microprocessor that the indication of N group, each undulating path of control terminal and oscillograph of N probe is corresponding one by one, the duty of pilot lamp is controlled according to channel wave shape attitude by oscillographic microprocessor.Interface circuit can be placed in the digital oscilloscope, also can be placed in the oscilloprobe, also can make an attachment device with indication, control terminal.Interface circuit receives and the oscillographic instruction of transmission of digital, the duty of control pilot lamp, and pilot lamp can have several indicating status as required: go out, bright, flicker.The waveform of the expression respective channel of going out is closed, and the waveform of bright expression respective channel is opened, and the waveform of flicker expression respective channel is opened, and is the current waveform of choosing or operating.The duty of pilot lamp is determined according to channel wave shape attitude by oscillographic microprocessor.The control button can be used for sending instruction to oscillograph, confirms in the other direction can be advantageously used in the waveform that shows on the oscillograph screen corresponding with it testing the checking of annexation, or be used to upgrade the undulating path of measurement.The duty of the continuous scan control button of oscillographic microprocessor, when the state of finding button changed, the work of controlling corresponding pilot lamp changed thereupon.Interface circuit can all or part ofly be placed on digital oscilloscope inside, as in the keyboard scanning circuit or in the channel circuit of each signal input channel.Referring to Fig. 2: oscilloprobe is introduced joint 4 by probe front end 1, probe 2, probe wire 3, oscillograph and is constituted, introduce on the joint 4 control signal socket 5 is arranged, on the probe front end 1 pilot lamp is arranged, the pilot lamp periphery is provided with transparent ring 6, the light of pilot lamp enters transparent ring 6, can see pilot lamp from each face of probe front end, propagate into the border in the annulus internal reflection, pilot lamp adopts light emitting diode.Control button 7 is arranged on the probe front end, and the control button adopts multifunction push key.
Fig. 3 is the indication of oscilloprobe provided by the utility model, the circuit diagram of first embodiment that control terminal is connected with interface circuit.Referring to Fig. 3: interface circuit is by single-chip microcomputer U1 in this embodiment, USB interface connector J1 constitutes, the indication of being equipped with on each probe front end, pilot lamp in the control terminal and control button adopt light emitting diode and multifunction push key respectively, oscillograph has 3 undulating paths among this embodiment, 3 groups of indications of 3 probes that join with 3 undulating paths of oscillograph, control terminal is by light emitting diode V1, multifunction push key K1, light emitting diode V2, multifunction push key K2, light emitting diode V3, multifunction push key K3 constitutes, light emitting diode V1, V2, the minus earth of V3, light emitting diode V1, V2, the positive pole of V3 is respectively by resistance R 1, R3, R5 meets the P0.0 of P0 mouth among the single-chip microcomputer U1, P0.2, P0.6, multifunction push key K1, K2, K3 one end ground connection, the other end are respectively by resistance R 2, R4, R6 meets the P0.1 of P0 mouth among the single-chip microcomputer U1, P0.3, P0.7; Primary power Vcc, the differential data line D-of single-chip microcomputer U1, D+, digitally Vss connects power pins line 1, the differential data lead-foot- line 2,3 of USB interface connector J1 respectively, grounding pin line 4, and USB interface connector J1 connects the USB mouth of oscillographic microprocessor.By oscillographic microprocessor that three groups of indications, control terminal is corresponding one by one with oscillographic three undulating paths, the pilot lamp of every group of control terminal and button, by the unified numbering of channel oscilloscope that pairing oscilloprobe connects, make that control relation can be not chaotic.
When operating the waveform of a certain passage by oscillographic front panel, control pilot lamp (light emitting diode) show state of corresponding control terminal to change by oscillographic microprocessor, when the multi-functional operation button K1, the K2 that operate the probe front end or K3, the oscillograph microprocessor is carried out the operation that sets to the waveform of respective channel, can set by user interface by the operation that the multifunction push key on the probe is carried out the passage waveform, the operation that sets can comprise open or close waveform, remove waveform, record measurement result etc.Can carry out different tasks at different button time span oscillograph microprocessors, the specific tasks that different button time durations is carried out can be set in oscillographic interface.Also can set different task sequences,, measure and write down measurement result etc. for the third time as removing for the first time waveform, gathering waveform one time for the second time for operator's continuous several times button operation.
For the installation or the fixed form of multi-functional operation button of probe front end, handled easily and don't influence acquisition of signal.Because the actuation of keys of hand can cause the mobile of front end of popping one's head in, front end leaves the measured point so need will pop one's head in before pressing key sometimes, press will pop one's head in again behind the key before the end in contact measured point, oscillograph will postpone time enough (detect button and unclamp the back wait more than 3 seconds) to the response of button operation, the front end of must popping one's head in by the time is stable again touch the measured point after, can carry out the response of button operation.For the actuation of keys of avoiding hand causes the mobile of front end of popping one's head in, button and its can be a bit of flexible cables in adhering between the point of fixity of front end of probe.Interface circuit among this embodiment can be made the attachment device of a probe with indication, control terminal.
Fig. 4 is second embodiment circuit diagram that indication on the oscilloprobe provided by the utility model, control terminal are connected with interface circuit.Referring to Fig. 4: oscillograph has 4 undulating paths among this embodiment, interface circuit is 4 oscillographic three wiring connector CON1-CON4 of access in this embodiment, the indication of being equipped with on each probe front end, pilot lamp in the control terminal and control button adopt light emitting diode and multifunction push key respectively, described oscillograph has 4 undulating paths, 4 groups of indications of 4 probes that join with 4 undulating paths of oscillograph, control terminal is by light emitting diode V1 ', multifunction push key K1 ', light emitting diode V2 ', multifunction push key K2 ', light emitting diode V3 ', multifunction push key K3 ' and light emitting diode V4 ', 4 groups of indications that multifunction push key K4 ' constitutes, control terminal, described 4 groups of indications, the end of the negative pole of light emitting diode V1 ' and multifunction push key K1 ' in the control terminal, the end of the negative pole of light emitting diode V2 ' and multifunction push key K2 ', the end of the negative pole of light emitting diode V3 ' and multifunction push key K3 ', the end of the negative pole of light emitting diode V4 ' and multifunction push key K4 ' connects the grounding pin 1 of three wiring connector CON1-CON4 respectively; The other end of the positive pole of light emitting diode V1 ' and multifunction push key K1 ', the other end of the positive pole of light emitting diode V2 ' and multifunction push key K2 ', the other end of the positive pole of light emitting diode V3 ' and multifunction push key K3 ', the other end of the positive pole of light emitting diode V4 ' and multifunction push key K4 ' is successively respectively by resistance R 1 ', R2 ', resistance R 3 ', R4 ', resistance R 5 ', R6 ', resistance R 7 ', R8 ' connects first to the 4th and inserts oscillographic three wiring connector CON1, CON2, CON3, the signal pins 3 of CON4, pin 2.4 groups of indications of the oscilloprobe of this structure, control terminal is by three wiring connector CON1, CON2, CON3, CON4 directly inserts oscillographic microprocessor, by the duty of oscillographic microprocessor control with the corresponding light emitting diode of each undulating path, simultaneously, oscillographic microprocessor constantly scans the duty of multi-functional operation button, the operator can select undulating path by the multi-functional operation button on the probe, carrying out waveform confirms, waveform to respective channel is carried out the operation that sets, control the work of corresponding light emitting diode conversely again, the indication of being equipped with on the probe front end, control terminal can be directly and the probe designs of current techniques as a whole.
Claims (3)
1. oscilloprobe, comprise probe, probe front end, probe wire and oscillograph introducing joint, it is characterized in that being equipped with on described each probe front end one group of indication, control terminal that is made of pilot lamp and control button, N the indication of N group, the control terminal of popping one's head in that joins with an oscillograph N undulating path joins by interface circuit and oscillographic microprocessor.
2. oscilloprobe according to claim 1, it is characterized in that described interface circuit is by the interface single-chip microcomputer, the USB interface connector constitutes, the primary power of interface single-chip microcomputer, differential data line, digitally connect the power pins line of USB interface connector respectively, the differential data lead-foot-line, the grounding pin line, the USB interface connector connects the USB mouth of oscillographic microprocessor, one group of indication of being equipped with on each probe front end, pilot lamp in the control terminal and control button adopt light emitting diode and multifunction push key respectively, a contact ground connection of the negative pole of light emitting diode and multifunction push key, another contact of the positive pole of light emitting diode and multifunction push key respectively joins with two of interface single-chip processor i/o mouth respectively by a resistance, the N group indication of N the probe that joins with an oscillograph N undulating path, control terminal joins with the 2N position of interface single-chip processor i/o mouth respectively.
3. oscilloprobe according to claim 1, it is characterized in that described interface circuit is N three wiring connectors that join with the oscillograph microprocessor, one group of indication of being equipped with on each probe front end, pilot lamp in the control terminal and control button adopt light emitting diode and multifunction push key respectively, a contact of the negative pole of light emitting diode and multifunction push key connects the grounding pin line of one three wiring connector, another contact of the positive pole of light emitting diode and multifunction push key respectively connects two signal pins lines of this three wiring connector respectively by a resistance, indicate with N the N group of popping one's head in that an oscillograph N undulating path joins, control terminal joins with N three wiring connectors respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201872079U CN201477127U (en) | 2009-08-28 | 2009-08-28 | Probe of oscilloscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201872079U CN201477127U (en) | 2009-08-28 | 2009-08-28 | Probe of oscilloscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201477127U true CN201477127U (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201872079U Expired - Fee Related CN201477127U (en) | 2009-08-28 | 2009-08-28 | Probe of oscilloscope |
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| Country | Link |
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| CN (1) | CN201477127U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869112A (en) * | 2014-04-01 | 2014-06-18 | 福建利利普光电科技有限公司 | Oscilloscope testing pen with trackball function |
| CN103884883A (en) * | 2012-12-21 | 2014-06-25 | 北京普源精电科技有限公司 | Multichannel probe for logic analysis, and probe assembly thereof |
| CN104808028A (en) * | 2015-04-30 | 2015-07-29 | 深圳市知用电子有限公司 | Oscilloscope intelligent active probe |
| CN105182034A (en) * | 2015-10-09 | 2015-12-23 | 上海斐讯数据通信技术有限公司 | Oscilloscope and connecting device thereof |
| CN107462784A (en) * | 2016-06-03 | 2017-12-12 | 致伸科技股份有限公司 | The detection numerical value storage device of detector bar |
| CN108169521A (en) * | 2017-12-27 | 2018-06-15 | 威创集团股份有限公司 | A kind of selection method of oscilloprobe, oscillograph and oscillograph trigger port |
| CN109974633A (en) * | 2019-04-30 | 2019-07-05 | 蚌埠传感器系统工程有限公司 | A kind of precise detection device and detection method of workpiece surface synthesis precision |
| CN110501546A (en) * | 2019-07-31 | 2019-11-26 | 苏州浪潮智能科技有限公司 | A kind of oscillograph |
| CN111413527A (en) * | 2020-05-13 | 2020-07-14 | 深圳市鼎阳科技股份有限公司 | Single-ended active probe for oscilloscope and signal detection system |
-
2009
- 2009-08-28 CN CN2009201872079U patent/CN201477127U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884883A (en) * | 2012-12-21 | 2014-06-25 | 北京普源精电科技有限公司 | Multichannel probe for logic analysis, and probe assembly thereof |
| CN103884883B (en) * | 2012-12-21 | 2018-04-24 | 北京普源精电科技有限公司 | A kind of multichannel probe and its probe assembly for logic analysis |
| CN103869112A (en) * | 2014-04-01 | 2014-06-18 | 福建利利普光电科技有限公司 | Oscilloscope testing pen with trackball function |
| CN104808028B (en) * | 2015-04-30 | 2017-12-19 | 深圳市知用电子有限公司 | A kind of oscillograph intellectuality active probe |
| CN104808028A (en) * | 2015-04-30 | 2015-07-29 | 深圳市知用电子有限公司 | Oscilloscope intelligent active probe |
| CN105182034B (en) * | 2015-10-09 | 2018-04-10 | 上海斐讯数据通信技术有限公司 | Oscillograph and its attachment means |
| CN105182034A (en) * | 2015-10-09 | 2015-12-23 | 上海斐讯数据通信技术有限公司 | Oscilloscope and connecting device thereof |
| CN107462784A (en) * | 2016-06-03 | 2017-12-12 | 致伸科技股份有限公司 | The detection numerical value storage device of detector bar |
| CN108169521A (en) * | 2017-12-27 | 2018-06-15 | 威创集团股份有限公司 | A kind of selection method of oscilloprobe, oscillograph and oscillograph trigger port |
| CN109974633A (en) * | 2019-04-30 | 2019-07-05 | 蚌埠传感器系统工程有限公司 | A kind of precise detection device and detection method of workpiece surface synthesis precision |
| CN110501546A (en) * | 2019-07-31 | 2019-11-26 | 苏州浪潮智能科技有限公司 | A kind of oscillograph |
| CN111413527A (en) * | 2020-05-13 | 2020-07-14 | 深圳市鼎阳科技股份有限公司 | Single-ended active probe for oscilloscope and signal detection system |
| CN111413527B (en) * | 2020-05-13 | 2022-08-16 | 深圳市鼎阳科技股份有限公司 | Single-ended active probe for oscilloscope and signal detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20150828 |
|
| EXPY | Termination of patent right or utility model |