CN203811642U - Demagnetization oscilloprobe - Google Patents

Demagnetization oscilloprobe Download PDF

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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
Authority
CN
China
Prior art keywords
demagnetization
oscilloprobe
switch
resistance
power supply
Prior art date
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
Application number
CN201420131322.5U
Other languages
Chinese (zh)
Inventor
邵玉斌
王腾
龙华
文永进
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunming University of Science and Technology
Original Assignee
Kunming University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunming University of Science and Technology filed Critical Kunming University of Science and Technology
Priority to CN201420131322.5U priority Critical patent/CN203811642U/en
Application granted granted Critical
Publication of CN203811642U publication Critical patent/CN203811642U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

A kind of demagnetization oscilloprobe
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.
CN201420131322.5U 2014-03-24 2014-03-24 Demagnetization oscilloprobe Expired - Fee Related CN203811642U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420131322.5U CN203811642U (en) 2014-03-24 2014-03-24 Demagnetization oscilloprobe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420131322.5U CN203811642U (en) 2014-03-24 2014-03-24 Demagnetization oscilloprobe

Publications (1)

Publication Number Publication Date
CN203811642U true CN203811642U (en) 2014-09-03

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

EXPY Termination of patent right or utility model