CN205320077U - Radiation frequency detector of frequency modulation search - Google Patents
Radiation frequency detector of frequency modulation search Download PDFInfo
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- CN205320077U CN205320077U CN201620064041.1U CN201620064041U CN205320077U CN 205320077 U CN205320077 U CN 205320077U CN 201620064041 U CN201620064041 U CN 201620064041U CN 205320077 U CN205320077 U CN 205320077U
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Abstract
The utility model discloses a radiation frequency detector of frequency modulation search, including shell, antenna, digital display screen, slip button, button, loudspeaker, radio reception ware and power amplifier, the shell is inside to be equipped with frequency signal processing module, noise processing module, frequency modulation module, command input module, and the last surface mounting of shell has digital display screen and control panel, and the side -mounting of shell has the slip button, the antenna is installed at the shell top, and the antenna is connected with frequency signal processing module, digital display screen include the display screen, with the supporting circuit board of display screen, the circuit board is connected with frequency signal processing module, noise processing module, the slip button is connected with frequency signal processing module. The utility model discloses a combine the frequency modulation radio module on the radio with noise detection module commonly used, design a simple and easy radiation frequency check out test set, can detect domestic electronic equipment's radiation frequency.
Description
[technical field]
The present invention relates to the technical field of radiation frequency detection equipment, the technical field of the detector particularly detected according to radiation signal frequency.
[background technology]
In recent years, along with growth in the living standard, the radiation problem that people bring for the electronic product in routine work life is increasingly paid attention to, it would be desirable to tested the raying impact of surrounding enviroment by some simple equipment, away from the region that radiation is more serious. In the bigger electronic product of radiation, being mainly computer, mobile phone, TV, flat board, radio etc. can the equipment of wireless receiving and dispatching signal. Wherein, using frequently with computer and mobile phone, contact is relatively near, affects bigger.
Traditional radiation detecting apparatus volume is relatively big, multiple functional, can receive substantial amounts of radiation signal, analyzes signal frequency. This kind equipment is concentrated mainly in coherent detection department or industry, and average family is less easily accessible to. And this series products uses frequency relatively low, family's purchasing price is improper, needs again to safeguard and place. The project of general Family needs detection radiation is less, in most cases, only it is to be understood that radiation frequency, it is not necessary to adopt expensive, heavy equipment.
[summary of the invention]
The purpose of the present invention solves the problems of the prior art exactly, the radiation frequency detector of a kind of frequency modulation search is proposed, the radiation frequency of home electronics can be detected, by the detection Automatic Frequency in detector or be performed manually by full rate transfer, when obtaining the respective frequencies of object to be detected, this frequency may interfere with radio module radio reception effect, and power amplifier sends very big noise, level of noise is acquired, it is thus achieved that respective frequencies when noise is maximum and noise intensity.
For achieving the above object, the present invention proposes the radiation frequency detector of a kind of frequency modulation search, including shell, antenna, digital display screen, sliding button, button, loudspeaker, radio reception device and power amplifier, described enclosure is provided with frequency signal processing module, noise processed module, FM module, instruction input module, the upper surface of shell is provided with digital display screen and control panel, and the side of shell is provided with sliding button; Described cover top portion is provided with antenna, and antenna is connected with frequency signal processing module; Described digital display screen includes display screen and the supporting circuit board of display screen, and described circuit board is connected with frequency signal processing module, noise processed module; Described sliding button is connected with frequency signal processing module, and the control program of sliding button forms FM module with Automatic Frequency adjustment programme; Described enclosure is also equipped with loudspeaker and radio reception device, loudspeaker and radio reception device and is disposed adjacent, loudspeaker rate of connections signal processing module; Described noise processed module is connected with radio reception device, display screen.
As preferably, described control panel is provided with several buttons, and enclosure is provided with instruction input module, and instruction input module includes several different instruction modules, and each button electrically connects with the different instruction module within instruction input module respectively.
As preferably, described antenna is provided with antenna circuit, and frequency signal processing module is connected with antenna circuit, instruction input module, FM module and loudspeaker.
As preferably, described frequency signal processing module includes putting in input circuit, mixing, one-level, put in two grades, detection, front set low put, power amplifier, local oscillator, AGC.
As preferably, the signal that described antenna obtains is hybrid waveform, and the signal that described loudspeaker send is cosine waveform.
As preferably, installing charged lithium cells in described shell, lithium battery electrically connects with frequency signal processing module, noise processed module, FM module, instruction input module.
Beneficial effects of the present invention: the present invention, by being combined with conventional noise detection module by the frequency modulation reception module on radio, designs a kind of easy radiation frequency detection equipment, can detect the radiation frequency of home electronics. Adopt radio FM radio principle, by the detection Automatic Frequency in detector or be performed manually by full rate transfer, when obtaining the respective frequencies of object to be detected, this frequency may interfere with radio module radio reception effect, power amplifier sends very big noise, level of noise is acquired, it is thus achieved that respective frequencies when noise is maximum and noise intensity.
Inventive feature and advantage will be described in detail in conjunction with accompanying drawing by embodiment.
[accompanying drawing explanation]
Fig. 1 is the schematic perspective view of the radiation frequency detector of a kind of frequency modulation search of the present invention;
Fig. 2 is the functional structure flow chart of the radiation frequency detector of a kind of frequency modulation search of the present invention;
Fig. 3 is the frequency signal processing module flow chart of the radiation frequency detector of a kind of frequency modulation search of the present invention;
The antenna that Fig. 4 is the radiation frequency detector of a kind of frequency modulation search of the present invention receives hybrid waveform figure;
Fig. 5 is the noise output waveform figure of the radiation frequency detector of a kind of frequency modulation search of the present invention.
In figure: 1-shell, 2-antenna, 3-digital display screen, 4-sliding button, 5-control panel, 6-button, 7-antenna traces, 8-frequency signal processing module, 9-instruction input module, 10-loudspeaker, 11-radio reception device, 12-display screen, 13-FM module, 14-noise processed module, 15-input circuit, 16-mixing, 17-one-level is put, 18-bis-grades is put, 19-detection, set low before 20-put, 21-power amplifier, 22-local oscillator, 23-AGC, 24-hybrid waveform, 25-cosine waveform.
[detailed description of the invention]
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, including shell 1, antenna 2, digital display screen 3, sliding button 4, button 6, loudspeaker 10, radio reception device 11 and power amplifier 21, described shell 1 is internal is provided with frequency signal processing module 8, noise processed module 14, FM module 13, instruction input module 9, the upper surface of shell 1 is provided with digital display screen 3 and control panel 5, and the side of shell 1 is provided with sliding button 4; Described shell 1 top is provided with antenna 2, and antenna 2 is connected with frequency signal processing module 8; Described digital display screen 3 includes display screen 12 and the supporting circuit board of display screen 12, and described circuit board is connected with frequency signal processing module 8, noise processed module 14; Described sliding button 4 is connected with frequency signal processing module 8, and the control program of sliding button 4 forms FM module 13 with Automatic Frequency adjustment programme; Described shell 1 inside is also equipped with loudspeaker 10 and radio reception device 11, loudspeaker 10 and radio reception device 11 and is disposed adjacent, loudspeaker 10 rate of connections signal processing module 8; Described noise processed module 14 is connected with radio reception device 11, display screen 12. Described control panel 5 is provided with several buttons 6, and shell 1 is internal is provided with instruction input module 9, and instruction input module 9 includes several different instruction modules, and each button 6 electrically connects with the different instruction module within instruction input module 9 respectively. Described antenna 2 is provided with antenna circuit 7, and frequency signal processing module 8 is connected with antenna circuit 7, instruction input module 9, FM module 13 and loudspeaker 10. Described frequency signal processing module 8 includes input circuit 15, mixing 16, one-level is put 17, two grades put 18, detection 19, front set low put 20, power amplifier 21, local oscillator 22, AGC23. The signal that described antenna 2 obtains is hybrid waveform 24, and the signal that described loudspeaker 10 send is cosine waveform 25. Installing charged lithium cells in described shell 1, lithium battery electrically connects with frequency signal processing module 8, noise processed module 14, FM module 13, instruction input module 9.
Work process of the present invention:
In the course of the work, detector is first taken the detected equipment limit of unlatching to the radiation frequency detector of a kind of frequency modulation search of the present invention by user, presses startup button 6, and detector is started working. User presses search rate button 6, selects automatic mode or manual mode. Under automatic mode, equipment will carry out full frequency scan. Under manual mode, user slip sliding button 4, can scan within the specific limits. The frequency signal that detected equipment sends mostly is hybrid waveform 24, antenna 2 receive, and signal enters input circuit 15, and signal is carried out mixing 16 pretreatment by local oscillator 22 circuit local oscillator. By AGC23 automatic growth control, signal being adjusted filtering again, finally before entering loudspeaker 10 and playing, signal becomes cosine waveform 25. The signal obtained is play by loudspeaker 10, and radio reception device 11 obtains sound, processes according to sound intensity, signal value is obtained analog quantity and is converted into digital quantity, is shown on display screen 12. Be typically on digital display screen 3, can show ongoing frequency, noise maximum time frequency and noise figure, each frequency corresponding wavelength. Frequency when as long as user reading noise is maximum, the frequency of detected equipment can be defaulted as. Wavelength * frequency=velocity of wave, velocity of EM-waves is equal to the light velocity, the frequency wavelength can asked. Specifying in the world, the wavelength electromagnetic wave less than 440nm, frequency is high, and energy is big, and the Radiation On Human body injury caused is bigger
The present invention, by being combined with conventional noise detection module by the frequency modulation reception module on radio, designs a kind of easy radiation frequency detection equipment, can detect the radiation frequency of home electronics. Adopt radio FM radio principle, by the detection Automatic Frequency in detector or be performed manually by full rate transfer, when obtaining the respective frequencies of object to be detected, this frequency may interfere with radio module radio reception effect, power amplifier sends very big noise, level of noise is acquired, it is thus achieved that respective frequencies when noise is maximum and noise intensity.
Above-described embodiment is the description of the invention, is not limitation of the invention, any scheme after simple transformation of the present invention is belonged to protection scope of the present invention.
Claims (6)
1. the radiation frequency detector of a frequency modulation search, it is characterized in that: include shell (1), antenna (2), digital display screen (3), sliding button (4), button (6), loudspeaker (10), radio reception device (11) and power amplifier (21), described shell (1) is internal is provided with frequency signal processing module (8), noise processed module (14), FM module (13), instruction input module (9), the upper surface of shell (1) is provided with digital display screen (3) and control panel (5), the side of shell (1) is provided with sliding button (4), described shell (1) top is provided with antenna (2), and antenna (2) is connected with frequency signal processing module (8), described digital display screen (3) includes display screen (12) and the supporting circuit board of display screen (12), and described circuit board is connected with frequency signal processing module (8), noise processed module (14), described sliding button (4) is connected with frequency signal processing module (8), and the control program of sliding button (4) forms FM module (13) with Automatic Frequency adjustment programme, described shell (1) is internal is also equipped with loudspeaker (10) and radio reception device (11), loudspeaker (10) and radio reception device (11) are disposed adjacent, loudspeaker (10) rate of connections signal processing module (8), described noise processed module (14) is connected with radio reception device (11), display screen (12).
2. the radiation frequency detector of a kind of frequency modulation as claimed in claim 1 search, it is characterized in that: described control panel (5) is provided with several buttons (6), shell (1) is internal is provided with instruction input module (9), instruction input module (9) includes several different instruction modules, and each button (6) electrically connects with the different instruction module of instruction input module (9) inside respectively.
3. the radiation frequency detector of a kind of frequency modulation as claimed in claim 1 search, it is characterized in that: described antenna (2) is provided with antenna circuit (7), and frequency signal processing module (8) is connected with antenna circuit (7), instruction input module (9), FM module (13) and loudspeaker (10).
4. the radiation frequency detector of a kind of frequency modulation as claimed in claim 1 search, it is characterised in that: described frequency signal processing module (8) includes putting (17) in input circuit (15), mixing (16), one-level, puts (18), detection (19) in two grades, front setting low puts (20), power amplifier (21), local oscillator (22), AGC (23).
5. the radiation frequency detector of a kind of frequency modulation as claimed in claim 1 search, it is characterized in that: the signal that described antenna (2) obtains is hybrid waveform (24), the signal that described loudspeaker (10) send is cosine waveform (25).
6. the radiation frequency detector of a kind of frequency modulation search as according to any one of claim 1 to 5, it is characterized in that: installing charged lithium cells in described shell (1), lithium battery electrically connects with frequency signal processing module (8), noise processed module (14), FM module (13), instruction input module (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064041.1U CN205320077U (en) | 2016-01-22 | 2016-01-22 | Radiation frequency detector of frequency modulation search |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064041.1U CN205320077U (en) | 2016-01-22 | 2016-01-22 | Radiation frequency detector of frequency modulation search |
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| Publication Number | Publication Date |
|---|---|
| CN205320077U true CN205320077U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620064041.1U Expired - Fee Related CN205320077U (en) | 2016-01-22 | 2016-01-22 | Radiation frequency detector of frequency modulation search |
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| CN (1) | CN205320077U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515697A (en) * | 2016-01-22 | 2016-04-20 | 蔡婷婷 | Frequency modulation searching radiant frequency detector |
-
2016
- 2016-01-22 CN CN201620064041.1U patent/CN205320077U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515697A (en) * | 2016-01-22 | 2016-04-20 | 蔡婷婷 | Frequency modulation searching radiant frequency detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170621 Address after: 201100 Shanghai city Minhang District River tidal Road No. 168 building 3 layer 4 Patentee after: SHANGHAI JIONGCE ENVIRONMENTAL PROT TECHNOLOGY Co.,Ltd. Address before: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20170621 Address after: 510000 unit 2414-2416, building, No. five, No. 371, Tianhe District, Guangdong, China Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 317502 Taizhou City, Wenling Province, New River Town, the village of iron field area No. 3, No. 10, No. Patentee before: Cai Tingting |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20180122 |