CN203811642U - Demagnetization oscilloprobe - Google Patents
Demagnetization oscilloprobe Download PDFInfo
- Publication number
- CN203811642U CN203811642U CN201420131322.5U CN201420131322U CN203811642U CN 203811642 U CN203811642 U CN 203811642U CN 201420131322 U CN201420131322 U CN 201420131322U CN 203811642 U CN203811642 U CN 203811642U
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- demagnetization
- oscilloprobe
- switch
- resistance
- power supply
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- 230000005347 demagnetization Effects 0.000 title claims abstract description 67
- 239000000523 sample Substances 0.000 claims abstract description 10
- 230000010354 integration Effects 0.000 claims description 14
- 102100028680 Protein patched homolog 1 Human genes 0.000 claims description 9
- 101710161390 Protein patched homolog 1 Proteins 0.000 claims description 9
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 102100036894 Protein patched homolog 2 Human genes 0.000 description 6
- 101710161395 Protein patched homolog 2 Proteins 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model relates to a demagnetization oscilloprobe, and belongs to the technical field of communication signal detection. The demagnetization oscilloprobe takes a demagnetization oscilloprobe unit as the main part, and comprises a switch, an oscilloprobe tail hook, a probe grounding cable, a power supply groove and a demagnetization integrated module. The power supply groove is embedded in the demagnetization oscilloprobe main body. The power supply groove is connected to the switch. The switch is connected to the demagnetization integrated module embedded in the demagnetization oscilloprobe main body. The demagnetization integrated module is connected to the probe grounding cable. The front end of the demagnetization oscilloprobe is provided with the oscilloprobe tail hook. The demagnetization integrated module comprises a demagnetization control circuit and a demagnetization circuit. The K1 end of a relay in the demagnetization control circuit is connected to the demagnetization circuit. The demagnetization oscilloprobe is additionally provided with the demagnetization control circuit and the demagnetization circuit that are used for eliminating magnetic field in the surroundings before the oscilloprobe detects data, and used for improving data accuracy. The demagnetization oscilloprobe is simple in structure and low in cost, and generates no electronic pollution.
Description
Technical field
The utility model relates to a kind of demagnetization oscilloprobe, belongs to signal of communication detection technique field.
Background technology
In actual engineering monitoring, require the measurement result of oscilloprobe will have sufficiently high accuracy, but present oscilloprobe is exactly a wire that connects circuit-under-test and electron oscillograph input end; Complicated probe is also just made up of Resistor-Capacitor Unit and active device.These probes are not all equipped with required circuit degaussing gear, be easy to be subject to the interference of external electromagnetic field, and equivalent capacity own are larger in measuring process, cause the load of circuit-under-test to increase, measured signal distortion.Therefore it is very necessary, proposing a kind of oscilloprobe that can process electromagnetic interference (EMI).
Summary of the invention
The problem and the deficiency that exist for above-mentioned prior art, the utility model provides a kind of demagnetization oscilloprobe, has solved that oscilloprobe is subject to the interference of external electromagnetic field in the time of detection signal and the problem of the signal serious distortion that detects.In this device, increase demagnetization control circuit and degaussing circuit, before oscilloprobe detects data, the magnetic field in environment has been eliminated, improve the accuracy of data, and this demagnetization oscilloprobe is simple in structure, cost is low, without electronic pollution, the utility model is achieved through the following technical solutions.
A kind of demagnetization oscilloprobe, taking demagnetization oscilloprobe as body, comprise switch 1, oscilloprobe pintle 2, probe earthing cable 3, power supply groove 4 and demagnetization module integration body 5, on described demagnetization oscilloprobe body, be embedded with power supply groove 4, power supply groove 4 is connected with switch 1, switch 1 is connected with the demagnetization module integration body 5 being embedded on demagnetization oscilloprobe body, demagnetization module integration body 5 is connected with probe earthing cable 3, demagnetization oscilloprobe front end is provided with oscilloprobe pintle 2, demagnetization module integration body 5 comprises demagnetization control circuit and degaussing circuit, relay K 1 end in demagnetization control circuit is connected with degaussing circuit.
Described demagnetization control circuit comprises relay module 6, triode T, store up/release energy element C, stabilivolt D, resistance R 1, the first current-limiting resistance R2 and the second current-limiting resistance R3, the first current-limiting resistance R2 and stabilivolt D are connected in series between vcc1 and vcc2 power supply, 1 end of triode T connects vcc1, 2 ends of triode T are connected in parallel, and store up/release can element capacitor C and the end of connecting of resistance R 1 and the second current-limiting resistance R3, store up/release and can element capacitor C be connected respectively vcc2 with resistance R 1, the second current-limiting resistance R3 is connected to the link p point that the first current-limiting resistance R2 connects with stabilivolt D, 3 ends of triode T are connected to vcc2 by relay coil L1.
Described degaussing circuit comprises two field-discharge resistance PTC1, PTC2, divider resistance R, anti-magnetized coil L, K switch and power supply AC, K switch 1 upper end of relay module 6 connects field-discharge resistance PTC2, field-discharge resistance PTC1, anti-magnetized coil L, K switch and power supply AC successively, between field-discharge resistance PTC2 and field-discharge resistance PTC1, after a divider resistance R in parallel, be connected with K switch, the other end of power supply AC is connected to the lower end of relay 6 K switch 1.
Relay model in above-mentioned relay module 6 is JQX14F.
The model of above-mentioned triode T is S8050.
The principle of work of this demagnetization oscilloprobe is: Closing Switch 1(is K switch), degaussing circuit action, anti-magnetized coil L produces the magnetic field contrary with surrounding magnetic field environment, eliminate the magnetic field in surrounding environment, through after a period of time, just conducting of triode T, make relay power, normally closed contact tripping, thus degaussing circuit and power supply are disconnected, after oscilloprobe switch 1 disconnects, + 5V loss of voltage, triode T cut-off, relay electric-loss is got back to again normally off, in order to energising demagnetization next time.
The beneficial effects of the utility model are: in (1) this device, increased demagnetization control circuit and degaussing circuit, before oscilloprobe detects data, the magnetic field in environment has been eliminated, improved the accuracy of data; (2) this demagnetization oscilloprobe is simple in structure, and cost is low, without electronic pollution.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model demagnetization module integration body 5 electrical block diagrams.
In figure: 1-switch, 2-oscilloprobe pintle, the 3-earthing cable of popping one's head in, the 4-groove of powering, 5-demagnetization module integration body, 6-relay module.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 to 2, this demagnetization oscilloprobe, taking demagnetization oscilloprobe as body, comprise switch 1, oscilloprobe pintle 2, probe earthing cable 3, power supply groove 4 and demagnetization module integration body 5, on described demagnetization oscilloprobe body, be embedded with power supply groove 4, power supply groove 4 is connected with switch 1, switch 1 is connected with the demagnetization module integration body 5 being embedded on demagnetization oscilloprobe body, demagnetization module integration body 5 is connected with probe earthing cable 3, demagnetization oscilloprobe front end is provided with oscilloprobe pintle 2, demagnetization module integration body 5 comprises demagnetization control circuit and degaussing circuit, relay K 1 end in demagnetization control circuit is connected with degaussing circuit.
Wherein demagnetization control circuit comprises relay module 6, triode T, store up/release energy element C, stabilivolt D, resistance R 1, the first current-limiting resistance R2 and the second current-limiting resistance R3, the first current-limiting resistance R2 and stabilivolt D are connected in series between vcc1 and vcc2 power supply, 1 end of triode T connects vcc1, 2 ends of triode T are connected in parallel, and store up/release can element capacitor C and the end of connecting of resistance R 1 and the second current-limiting resistance R3, store up/release and can element capacitor C be connected respectively vcc2 with resistance R 1, the second current-limiting resistance R3 is connected to the link p point that the first current-limiting resistance R2 connects with stabilivolt D, 3 ends of triode T are connected to vcc2 by relay coil L1, degaussing circuit comprises two field-discharge resistance PTC1, PTC2, divider resistance R, anti-magnetized coil L, K switch and power supply AC, K switch 1 upper end of relay module 6 connects field-discharge resistance PTC2, field-discharge resistance PTC1, anti-magnetized coil L, K switch and power supply AC successively, between field-discharge resistance PTC2 and field-discharge resistance PTC1, after a divider resistance R in parallel, be connected with K switch, the other end of power supply AC is connected to the lower end of relay 6 K switch 1, relay model in relay module 6 is JQX14F, the model of triode T is S8050.
Claims (3)
1. a demagnetization oscilloprobe, it is characterized in that: taking demagnetization oscilloprobe as body, comprise switch (1), oscilloprobe pintle (2), probe earthing cable (3), power supply groove (4) and demagnetization module integration body (5), on described demagnetization oscilloprobe body, be embedded with power supply groove (4), power supply groove (4) is connected with switch (1), switch (1) is connected with the demagnetization module integration body (5) being embedded on demagnetization oscilloprobe body, demagnetization module integration body (5) is connected with probe earthing cable (3), demagnetization oscilloprobe front end is provided with oscilloprobe pintle (2), demagnetization module integration body (5) comprises demagnetization control circuit and degaussing circuit, relay K 1 end in demagnetization control circuit is connected with degaussing circuit.
2. demagnetization oscilloprobe according to claim 1, it is characterized in that: described demagnetization control circuit comprises relay module (6), triode (T), store up/release energy element (C), stabilivolt (D), resistance (R1), the first current-limiting resistance (R2) and the second current-limiting resistance (R3), the first current-limiting resistance (R2) and stabilivolt (D) are connected in series between vcc1 and vcc2 power supply, 1 end of triode (T) connects vcc1, 2 ends of triode (T) be connected in parallel store up/release can element electric capacity the end of connecting of (C) and resistance (R1) and the second current-limiting resistance (R3), store up/release and can be connected respectively vcc2 with resistance (R1) by element electric capacity (C), the second current-limiting resistance (R3) is connected to the link p point that the first current-limiting resistance (R2) is connected with stabilivolt (D), 3 ends of triode (T) are connected to vcc2 by relay coil (L1).
3. demagnetization oscilloprobe according to claim 1, it is characterized in that: described degaussing circuit comprises two field-discharge resistance (PTC1, PTC2), divider resistance (R), anti-magnetized coil (L), switch (K) and power supply (AC), K switch 1 upper end of relay module (6) connects field-discharge resistance (PTC2) successively, field-discharge resistance (PTC1), anti-magnetized coil (L), switch (K) and power supply (AC), between field-discharge resistance (PTC2) and field-discharge resistance (PTC1), after a divider resistance in parallel (R), be connected with switch (K), the other end of power supply (AC) is connected to the lower end of relay (6) K switch 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420131322.5U CN203811642U (en) | 2014-03-24 | 2014-03-24 | Demagnetization oscilloprobe |
Applications Claiming Priority (1)
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CN201420131322.5U CN203811642U (en) | 2014-03-24 | 2014-03-24 | Demagnetization oscilloprobe |
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CN201420131322.5U Expired - Fee Related CN203811642U (en) | 2014-03-24 | 2014-03-24 | Demagnetization oscilloprobe |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106908641A (en) * | 2015-12-23 | 2017-06-30 | 苏州普源精电科技有限公司 | A kind of signal measurement apparatus and method |
CN108761162A (en) * | 2018-05-04 | 2018-11-06 | 四川斐讯信息技术有限公司 | A kind of oscilloprobe control system and method |
-
2014
- 2014-03-24 CN CN201420131322.5U patent/CN203811642U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106908641A (en) * | 2015-12-23 | 2017-06-30 | 苏州普源精电科技有限公司 | A kind of signal measurement apparatus and method |
CN106908641B (en) * | 2015-12-23 | 2020-06-12 | 普源精电科技股份有限公司 | Signal measurement device and method |
CN108761162A (en) * | 2018-05-04 | 2018-11-06 | 四川斐讯信息技术有限公司 | A kind of oscilloprobe control system and method |
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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: 20140903 Termination date: 20150324 |
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EXPY | Termination of patent right or utility model |