CN203811642U - A degaussing oscilloscope probe - Google Patents

A degaussing oscilloscope probe 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
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China
Prior art keywords
degaussing
switch
oscilloscope probe
resistor
probe
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Expired - Fee Related
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CN201420131322.5U
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Chinese (zh)
Inventor
邵玉斌
王腾
龙华
文永进
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Abstract

本实用新型涉及一种消磁示波器探头,属于通信信号检测技术领域。该消磁示波器探头,以消磁示波器探头为本体,包括开关、示波器探头尾钩、探头接地电缆、供电槽和消磁模块集成体,所述消磁示波器探头本体上内嵌有供电槽,供电槽与开关连接,开关与内嵌在消磁示波器探头本体上的消磁模块集成体连接,消磁模块集成体与探头接地电缆连接,消磁示波器探头前端设有示波器探头尾钩,消磁模块集成体包括消磁控制电路和消磁电路,消磁控制电路中的继电器K1端与消磁电路连接。该装置中增加了消磁控制电路和消磁电路,在示波器探头检测数据前,将环境中的磁场消除,提高数据的精准性,且该消磁示波器探头结构简单,成本低,无电子污染。

The utility model relates to a degaussing oscilloscope probe, which belongs to the technical field of communication signal detection. The degaussing oscilloscope probe, with the degaussing oscilloscope probe as the main body, includes a switch, oscilloscope probe tail hook, probe grounding cable, power supply tank and degaussing module integration. The degaussing oscilloscope probe body is embedded with a power supply tank, which is connected to the switch , the switch is connected to the degaussing module integrated body embedded in the degaussing oscilloscope probe body, the degaussing module integrated body is connected to the grounding cable of the probe, the front end of the degaussing oscilloscope probe is equipped with an oscilloscope probe tail hook, and the degaussing module integrated body includes a degaussing control circuit and a degaussing circuit , the relay K1 terminal in the degaussing control circuit is connected with the degaussing circuit. The device adds a degaussing control circuit and a degaussing circuit to eliminate the magnetic field in the environment before the oscilloscope probe detects the data, thereby improving the accuracy of the data, and the degaussing oscilloscope probe has a simple structure, low cost, and 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)

1.一种消磁示波器探头,其特征在于:以消磁示波器探头为本体,包括开关(1)、示波器探头尾钩(2)、探头接地电缆(3)、供电槽(4)和消磁模块集成体(5),所述消磁示波器探头本体上内嵌有供电槽(4),供电槽(4)与开关(1)连接,开关(1)与内嵌在消磁示波器探头本体上的消磁模块集成体(5)连接,消磁模块集成体(5)与探头接地电缆(3)连接,消磁示波器探头前端设有示波器探头尾钩(2),消磁模块集成体(5)包括消磁控制电路和消磁电路,消磁控制电路中的继电器K1端与消磁电路连接。 1. A degaussing oscilloscope probe, characterized in that: a degaussing oscilloscope probe is used as the body, including a switch (1), an oscilloscope probe tail hook (2), a probe grounding cable (3), a power supply tank (4) and a degaussing module integration (5), the degaussing oscilloscope probe body is embedded with a power supply tank (4), the power supply tank (4) is connected to the switch (1), and the switch (1) is integrated with the degaussing module embedded in the degaussing oscilloscope probe body (5) Connection, the degaussing module assembly (5) is connected to the probe grounding cable (3), the degaussing oscilloscope probe is provided with an oscilloscope probe tail hook (2), and the degaussing module assembly (5) includes a degaussing control circuit and a degaussing circuit. The relay K1 terminal in the degaussing control circuit is connected with the degaussing circuit. 2.根据权利要求1所述的消磁示波器探头,其特征在于:所述消磁控制电路包括继电器模块(6)、三极管(T)、储/释能元件(C)、稳压管(D)、电阻(R1)、第一限流电阻(R2)和第二限流电阻(R3),第一限流电阻(R2)与稳压管(D)串联连接到vcc1与vcc2电源之间,三极管(T)的1端连接vcc1,三极管(T)的2端并联连接储/释能元件电容(C)及电阻(R1)与第二限流电阻(R3)的串联端,储/释能元件电容(C)和电阻(R1)分别连接vcc2,第二限流电阻(R3)连接到第一限流电阻(R2)与稳压管(D)串联的连接端p点,三极管(T)的3端通过继电器线圈(L1)连接到vcc2。 2. The degaussing oscilloscope probe according to claim 1, characterized in that: the degaussing control circuit includes a relay module (6), a triode (T), an energy storage/release element (C), a voltage regulator tube (D), The resistor (R1), the first current limiting resistor (R2) and the second current limiting resistor (R3), the first current limiting resistor (R2) and the voltage regulator tube (D) are connected in series between the vcc1 and vcc2 power sources, the triode ( Terminal 1 of T) is connected to vcc1, and terminals 2 of the transistor (T) are connected in parallel to the capacitor (C) of the energy storage/release element and the series terminal of the resistor (R1) and the second current limiting resistor (R3). The capacitor of the energy storage/release element (C) and resistor (R1) are respectively connected to vcc2, the second current limiting resistor (R3) is connected to point p where the first current limiting resistor (R2) is connected in series with the voltage regulator tube (D), and 3 of the transistor (T) terminal is connected to vcc2 through the relay coil (L1). 3.根据权利要求1所述的消磁示波器探头,其特征在于:所述消磁电路包括两个消磁电阻(PTC1、PTC2)、分压电阻(R)、消磁线圈(L)、开关(K)和电源(AC),继电器模块(6)的开关K1上端依次连接消磁电阻(PTC2)、消磁电阻(PTC1)、消磁线圈(L)、开关(K)和电源(AC),在消磁电阻(PTC2)与消磁电阻(PTC1)之间并联一个分压电阻(R)后与开关(K)连接,电源(AC)的另一端连接在继电器(6)开关K1的下端。 3. The degaussing oscilloscope probe according to claim 1, characterized in that: the degaussing circuit includes two degaussing resistors (PTC1, PTC2), a voltage divider resistor (R), a degaussing coil (L), a switch (K) and The power supply (AC), the upper end of the switch K1 of the relay module (6) is sequentially connected to the degaussing resistor (PTC2), the degaussing resistor (PTC1), the degaussing coil (L), the switch (K) and the power supply (AC), and the degaussing resistor (PTC2) A voltage dividing resistor (R) is connected in parallel with the degaussing resistor (PTC1) and then connected to the switch (K), and the other end of the power supply (AC) is connected to the lower end of the switch K1 of the relay (6).
CN201420131322.5U 2014-03-24 2014-03-24 A degaussing oscilloscope probe Expired - Fee Related CN203811642U (en)

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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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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140903

Termination date: 20150324

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