CN2927135Y - Microwave leakage protection monitoring device - Google Patents

Microwave leakage protection monitoring device Download PDF

Info

Publication number
CN2927135Y
CN2927135Y CN 200620053634 CN200620053634U CN2927135Y CN 2927135 Y CN2927135 Y CN 2927135Y CN 200620053634 CN200620053634 CN 200620053634 CN 200620053634 U CN200620053634 U CN 200620053634U CN 2927135 Y CN2927135 Y CN 2927135Y
Authority
CN
China
Prior art keywords
signal
resistance
microwave
circuit
diode
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
CN 200620053634
Other languages
Chinese (zh)
Inventor
温永和
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.)
Midea Group Co Ltd
Original Assignee
Midea Group
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 Midea Group filed Critical Midea Group
Priority to CN 200620053634 priority Critical patent/CN2927135Y/en
Application granted granted Critical
Publication of CN2927135Y publication Critical patent/CN2927135Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Measurement Of Resistance Or Impedance (AREA)

Abstract

The utility model relates to a microwave leakage protection monitoring device. Including reference voltage regulating circuit (1), microwave signal receiving and converting circuit (2), signal contrast processing circuit (3) and signal output circuit (4), the utility model discloses microwave signal receiving and converting circuit receive microwave leakage signal to convert it to voltage output, the voltage of output and reference voltage circuit's voltage are defeated to signal processing circuit's comparator and are compared and handle, are compared the result by signal output circuit to total control system output signal at last, when microwave leakage reaches or surpasss safe critical value (5 mW/cm)2) When the detection system detects that the microwave leakage exceeds the standard, the sent signal enters a signal output circuit to send a light-emitting alarm indication, and also sends a signal to a master control system, so that the equipment stops working. Therefore, the utility model discloses real time monitoring microwave leaks effectively to avoid causing harm to people's the healthy. The utility model discloses simple structure, with low costs, excellent performance, convenient and practical.

Description

A kind of microwave leakage protecting, monitoring device
Technical field
The utility model is a kind of microwave leakage protecting, monitoring device, belongs to the innovative technology of microwave leakage protecting, monitoring device.
Background technology
Microwave has features such as rectilinearity, reflectivity, absorbability and penetrability, and its superiority more and more is familiar with by people, and it is used more and more widely.Wherein microwave technology has obtained using on the bituminous pavement recovery technique, but when utilizing the directly positive irradiation of microwave that bituminous pavement is heated, because the difference of shielding material, structure, after firing equipment uses a period of time, expanded by heating shrinkages such as the strip of paper used for sealing of its equipment, shielding, shell, multiple factor affecting such as working strength, number of times, microwave leakage (GB 10436 standard codes that will exceed standard, the microwave average power density that allows to leak is 50 microwatt/square centimeters), what have is comparatively serious, and the microwave average power density of leakage can reach hundreds of microwatts; Overproof several times to tens times.Because microwave wavelength is shorter, penetration capacity is strong especially, can produce bigger harm to human body, especially people are directly facing in the contaminated environment of microwave radiation, can cause headache, alopecia, insomnia, weak, poor appetite, bradycardia or overrun, multiple bad reaction and symptoms such as elevation of blood pressure or reduction, directly influence the healthy of people.
Summary of the invention
The purpose of this utility model is to consider the problems referred to above and a kind of microwave leakage of monitoring in real time effectively is provided, to avoid the healthy microwave leakage protecting, monitoring device that works the mischief to people.The utility model is simple in structure, cost is low.
Structural representation of the present utility model as shown in Figure 1, include reference voltage regulating circuit (1), microwave signal receives and change-over circuit (2), signal contrast treatment circuit (3) and signal output apparatus (4), microwave signal receives and the input end of change-over circuit (2) receives the microwave leakage signal, the changing voltage that microwave signal receives and change-over circuit (2) is exported and the voltage of reference voltage regulating circuit (1) input to signal processing circuit (3), signal processing circuit (3) inputs to signal output apparatus (4) through the signal of comparison process, and the output signal of signal output apparatus (4) inputs to general control system (5).
Said reference voltage regulator circuit (1) includes voltage stabilizing diode D1, potentiometer W1, resistance R 1 and capacitor C 1, the plus earth of voltage stabilizing diode D1 and being connected with an end of capacitor C 1, the end of potentiometer W1 respectively, negative pole is connected with R1 and W1 respectively, and the other end of capacitor C 1 is connected with the adjustable side of potentiometer W1.
Above-mentioned microwave signal receives and change-over circuit (2) includes detector diode DIODE, resistance R 2, resistance R 3, resistance R 4, capacitor C 2 and capacitor C 3, the positive pole of detector diode DIODE is connected with an end of resistance R 3, negative pole is connected with an end of resistance R 2, resistance R 4, capacitor C 2 and capacitor C 3 are connected in parallel between the other end of the other end of resistance R 3 and resistance R 2, detector diode DIODE receives microwave signal and is transformed into voltage signal by resistance R 3 and resistance R 2, and by being sent to signal contrast treatment circuit (3) after resistance R 4, capacitor C 2, capacitor C 3 filtering.
Resistance R 2 in above-mentioned microwave signal reception and the change-over circuit (2) is identical with the resistance of resistance R 3.
Above-mentioned signal contrast treatment circuit (3) includes voltage signal process chip U1, power supply termination+12V voltage of U1, the positive terminal of signal input is connected with reference voltage regulating circuit (1), the negative pole end of signal input receives with microwave signal and change-over circuit (2) is connected, and signal output part is connected with signal output apparatus (4).
Above-mentioned signal output apparatus (4) includes triode T1, light emitting diode D2, diode D3, diode D4, resistance R 5, resistance R 6, resistance R 7 and resistance R 8; The emitter of triode T1 is connected with power supply, and the base stage of triode T1 is connected with R6, and the collector of triode T1 is connected with resistance R 7, and resistance R 7 is connected with the positive pole of light emitting diode D2, the minus earth of light emitting diode D2, and resistance R 8 plays current limliting.
The interface 1 of above-mentioned signal output apparatus (4) is connected with dc power anode, and output interface 2 is connected with general control system (5), and interface 3 is connected with the negative pole of 12V direct supply.
The utility model is owing to adopt the structure that includes reference voltage regulating circuit, microwave signal reception and change-over circuit, signal contrast treatment circuit and signal output apparatus, microwave signal receives and change-over circuit receives the microwave leakage signal, and convert thereof into voltage output, the comparer that the voltage of output and the voltage of reference voltage circuit are transported to signal processing circuit compares and handles, at last by signal output apparatus with comparative result to the general control system output signal, (5mW/cm when microwave leakage meets or exceeds margin of safety 2), detection system detects microwave leakage and exceeds standard, and sends luminous warning indication in the signal entering signal output circuit that sends, and signal also can send signal to general control system, and equipment quits work.Therefore, the utility model is monitored microwave leakage effectively in real time, the healthy of people is worked the mischief avoiding.The utility model is simple in structure, cost is low, is that a kind of design is ingenious, function admirable, convenient and practical microwave leakage protecting, monitoring device.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model;
Fig. 3 makes the structural representation that circuit board (7) is installed in mounting box (6) for the utility model;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the vertical view of Fig. 3.
Embodiment
Embodiment:
Theory diagram of the present utility model as shown in Figure 1, include reference voltage regulating circuit 1, microwave signal reception and change-over circuit 2, signal contrast treatment circuit 3 and signal output apparatus 4, microwave signal receives and the input end of change-over circuit 2 receives the microwave leakage signal, the changing voltage that microwave signal receives and change-over circuit 2 is exported and the voltage of reference voltage regulating circuit 1 input to signal processing circuit 3, signal processing circuit 3 inputs to signal output apparatus 4 through the signal of comparison process, and the output signal of signal output apparatus 4 inputs to general control system 5.
Circuit diagram of the present utility model as shown in Figure 2, said reference voltage regulator circuit 1 includes voltage stabilizing diode D1, potentiometer W1, resistance R 1 and capacitor C 1, the plus earth of voltage stabilizing diode D1 and being connected with an end of capacitor C 1, the end of potentiometer W1 respectively, negative pole is connected with R1 and W1 respectively, and the other end of capacitor C 1 is connected with the adjustable side of potentiometer W1.
Above-mentioned microwave signal receives and change-over circuit 2 includes detector diode DIODE, resistance R 2, resistance R 3, resistance R 4, capacitor C 2 and capacitor C 3, the positive pole of detector diode DIODE is connected with an end of resistance R 3, negative pole is connected with an end of resistance R 2, resistance R 4, capacitor C 2 and capacitor C 3 are connected in parallel between the other end of the other end of resistance R 3 and resistance R 2, detector diode DIODE receives microwave signal and is transformed into voltage signal by resistance R 3 and resistance R 2, and by being sent to signal contrast treatment circuit 3 after resistance R 4, capacitor C 2, capacitor C 3 filtering.
Resistance R 2 in above-mentioned microwave signal reception and the change-over circuit 2 is identical with the resistance of resistance R 3.
Above-mentioned signal contrast treatment circuit 3 includes voltage signal process chip U1, power supply termination+12V voltage of U1, the positive terminal of signal input is connected with reference voltage regulating circuit 1, the negative pole end of signal input receives with microwave signal and change-over circuit 2 is connected, and signal output part is connected with signal output apparatus 4.
Above-mentioned signal output apparatus 4 includes triode T1, light emitting diode D2, diode D3, diode D4, resistance R 5, resistance R 6, resistance R 7 and resistance R 8; The emitter of triode T1 is connected with power supply, and the base stage of triode T1 is connected with R6, and the collector of triode T1 is connected with resistance R 7, and resistance R 7 is connected with the positive pole of light emitting diode D2, the minus earth of light emitting diode D2, and resistance R 8 plays current limliting.
The interface 1 of above-mentioned signal output apparatus 4 is connected with dc power anode, and output interface 2 is connected with general control system 5, and interface 3 is connected with the negative pole of 12V direct supply.
The utility model is made structural representation that circuit board 7 is installed in mounting box 6 as shown in Figure 3, left view as shown in Figure 4, vertical view is as shown in Figure 5.
The utility model is before installation, with 5mW/cm 2The good reference voltage of standard adjustment; During work, when running into the micro-wave screening effect when undesirable, a certain amount of radiation takes place in microwave, when radiant quantity reaches a certain setting value, such as 5mW/cm 2Microwave signal receives and change-over circuit receives this signal, and with its changing voltage output, the comparer that the voltage of output and the voltage of reference voltage circuit are transported to signal processing circuit compares, handle relatively, at last by signal output apparatus with comparative result to the general control system output signal, (5mW/cm when microwave leakage meets or exceeds margin of safety 2), detection system detects microwave leakage and exceeds standard, and the light emitting diode in the signal entering signal output circuit that sends sends luminous warning indication, and signal also can import into to general control system and send signal, and equipment quits work.Like this, prevented that the situation of microwave leakage from taking place, and effectively guaranteed operating personnel's personal safety.

Claims (7)

1, a kind of microwave leakage protecting, monitoring device, it is characterized in that including reference voltage regulating circuit (1), microwave signal receives and change-over circuit (2), signal contrast treatment circuit (3) and signal output apparatus (4), microwave signal receives and the input end of change-over circuit (2) receives the microwave leakage signal, the changing voltage that microwave signal receives and change-over circuit (2) is exported and the voltage of reference voltage regulating circuit (1) input to signal processing circuit (3), signal processing circuit (3) inputs to signal output apparatus (4) through the signal of comparison process, and the output signal of signal output apparatus (4) inputs to general control system (5).
2, microwave leakage protecting, monitoring device according to claim 1, it is characterized in that said reference voltage regulator circuit (1) includes voltage stabilizing diode D1, potentiometer W1, resistance R 1 and capacitor C 1, the plus earth of voltage stabilizing diode D1 and being connected with an end of capacitor C 1, the end of potentiometer W1 respectively, negative pole is connected with R1 and W1 respectively, and the other end of capacitor C 1 is connected with the adjustable side of potentiometer W1.
3, microwave leakage protecting, monitoring device according to claim 1, it is characterized in that above-mentioned microwave signal receives and change-over circuit (2) includes detector diode DIODE, resistance R 2, resistance R 3, resistance R 4, capacitor C 2 and capacitor C 3, the positive pole of detector diode DIODE is connected with an end of resistance R 3, negative pole is connected with an end of resistance R 2, resistance R 4, capacitor C 2 and capacitor C 3 are connected in parallel between the other end of the other end of resistance R 3 and resistance R 2, detector diode DIODE receives microwave signal and is transformed into voltage signal by resistance R 3 and resistance R 2, and by resistance R 4, capacitor C 2, be sent to signal contrast treatment circuit (3) after capacitor C 3 filtering.
4, microwave leakage protecting, monitoring device according to claim 3 is characterized in that the resistance R 2 in above-mentioned microwave signal reception and the change-over circuit (2) is identical with the resistance of resistance R 3.
5, microwave leakage protecting, monitoring device according to claim 1, it is characterized in that above-mentioned signal contrast treatment circuit (3) includes voltage signal process chip U1, power supply termination+12V voltage of U1, the positive terminal of signal input is connected with reference voltage regulating circuit (1), the negative pole end of signal input receives with microwave signal and change-over circuit (2) is connected, and signal output part is connected with signal output apparatus (4).
6, microwave leakage protecting, monitoring device according to claim 1 is characterized in that above-mentioned signal output apparatus (4) includes triode T1, light emitting diode D2, diode D3, diode D4, resistance R 5, resistance R 6, resistance R 7 and resistance R 8; The emitter of triode T1 is connected with power supply, and the base stage of triode T1 is connected with R6, and the collector of triode T1 is connected with resistance R 7, and resistance R 7 is connected with the positive pole of light emitting diode D2, the minus earth of light emitting diode D2, and resistance R 8 plays current limliting.
7, microwave leakage protecting, monitoring device according to claim 1 is characterized in that the interface 1 of above-mentioned signal output apparatus (4) is connected with dc power anode, and output interface 2 is connected with general control system (5), and interface 3 is connected with the negative pole of 12V direct supply.
CN 200620053634 2006-01-12 2006-01-12 Microwave leakage protection monitoring device Expired - Fee Related CN2927135Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620053634 CN2927135Y (en) 2006-01-12 2006-01-12 Microwave leakage protection monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620053634 CN2927135Y (en) 2006-01-12 2006-01-12 Microwave leakage protection monitoring device

Publications (1)

Publication Number Publication Date
CN2927135Y true CN2927135Y (en) 2007-07-25

Family

ID=38281385

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620053634 Expired - Fee Related CN2927135Y (en) 2006-01-12 2006-01-12 Microwave leakage protection monitoring device

Country Status (1)

Country Link
CN (1) CN2927135Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101441469B (en) * 2008-12-26 2012-07-11 美的集团有限公司 Control system and control method for microwave heating of asphalt mixture
CN106922045A (en) * 2017-02-23 2017-07-04 陶曙 A kind of microwave leakage can detect circuit and microwave oven safety management-control method
CN107884146A (en) * 2016-09-30 2018-04-06 江苏核电有限公司 A kind of equipment medium leak detecting device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101441469B (en) * 2008-12-26 2012-07-11 美的集团有限公司 Control system and control method for microwave heating of asphalt mixture
CN107884146A (en) * 2016-09-30 2018-04-06 江苏核电有限公司 A kind of equipment medium leak detecting device
CN107884146B (en) * 2016-09-30 2024-05-14 江苏核电有限公司 Equipment medium leakage detection device
CN106922045A (en) * 2017-02-23 2017-07-04 陶曙 A kind of microwave leakage can detect circuit and microwave oven safety management-control method
CN106922045B (en) * 2017-02-23 2020-06-05 陶曙 Microwave energy leakage detection circuit and microwave oven safety control method

Similar Documents

Publication Publication Date Title
CN2927135Y (en) Microwave leakage protection monitoring device
CN205445392U (en) Burglary -resisting door based on thing networking
CN206807922U (en) A kind of energy-saving anti-theft outdoor communication cabinet
CN203734383U (en) Servo system-based magnetic coupling electric energy wireless transmission device
CN206469194U (en) A kind of solar street light bar of band PM detections
CN206060560U (en) A kind of domestic photovoltaic inversion case
CN208594397U (en) A kind of bed sheet for medical care drying frame
CN207442469U (en) Single-phase solar photovoltaic power generation grid-connecting electricity generation system
CN206132122U (en) Environment monitoring and early warning device
CN204988509U (en) Low -power consumption solar energy wireless infrared sensor module
CN218825725U (en) Boundary infrared protection alarm
CN213516014U (en) Illuminance sensor based on indoor environment monitoring
CN202551999U (en) Electronic rat-repelling device
CN207282944U (en) A kind of electric automatization monitoring alarm device
CN203825761U (en) An infrared intrusion detector
CN206922211U (en) A kind of high temperature supplies power distributing cabinet from early warning type
CN206628017U (en) One kind classification light filling gate control system
CN205335636U (en) A water logging processing system for indoor substation
CN103558886A (en) Intelligent damp expelling system and damp expelling method thereof
CN203421851U (en) Solar water heater monitoring system with alarming function
CN205665408U (en) Nuclear radiation electron individual soldier dosemeter system based on zigBee wireless network
CN215961250U (en) Solar ultraviolet disinfection device
CN217136591U (en) Intelligent mouse device
CN213301299U (en) Energy-saving detection device for building construction
CN203759813U (en) Home safety protection device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: MIDEA GROUP CO., LTD.

Free format text: FORMER NAME: MEIDI GROUP CO. LTD.

CP03 Change of name, title or address

Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28

Patentee after: MIDEA GROUP Co.,Ltd.

Address before: 528311 Penglai Road, Beijiao Town, Foshan District, Guangdong, China,

Patentee before: Midea Group

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

Granted publication date: 20070725

Termination date: 20150112

EXPY Termination of patent right or utility model