CN203870247U - Testing device for microwave radar inductor - Google Patents
Testing device for microwave radar inductor Download PDFInfo
- Publication number
- CN203870247U CN203870247U CN201420164573.3U CN201420164573U CN203870247U CN 203870247 U CN203870247 U CN 203870247U CN 201420164573 U CN201420164573 U CN 201420164573U CN 203870247 U CN203870247 U CN 203870247U
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- cavity
- fixed
- microwave radar
- base plate
- proving installation
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Abstract
The utility model provides a testing device for a microwave radar inductor. The testing device comprises a pedestal, a coupled cavity of a device to detect, an abutting device, a signal output line, a signal amplifier, an oscilloscope, a frequency analyzer and a mobile cavity simulator. The pedestal comprises a front plate, a base plate and a back plate. Two vertical plates are arranged oppositely on the base plate. The front plate is provided with a power switch and an emission/reception selector switch. The coupled cavity comprises a lower die cavity, an upper die cavity and an elastic device. The lower die cavity is fixed on the base plate. The elastic device comprises a fixed plate. A fixed column is fixed on each of two sides of the fixed plate. An elastic element sleeves each fixed column. The abutting device comprises a rotating rod which is fixed above the upper die cavity. An abutting sheet which can abut to the fixed plate after rotating is arranged on the rotating rod. The signal output line is fixed on one side of the lower die cavity, and the signal amplifier and the mobile cavity simulator are fixed on the bottom of the base plate. The integrated testing device is small in size, convenient in motion and accurate in detection.
Description
Technical field
The utility model relates to microwave regime, refers to especially a kind of microwave radar inductor proving installation.
Background technology
Microwave radar inductor claims again microwave radar, utilize electromagnetic Doppler's principle to do, any ripple has the characteristic of reflection, in the time that the ripple of certain frequency is encountered restraining mass, will some ripple be reflected back, if restraining mass is static, the wavelength of reflection wave is exactly constant, if restraining mass is to move to wave source, the wavelength of reflection wave just comes shortly than the wavelength of wave source, if restraining mass is to the direction motion away from wave source, the length that the wavelength of reflection wave just comes than the wavelength of wave source, the variation of wavelength, just means the variation of frequency.Microwave induced just by the variation of reflection wave know have moving object to approach or away from.
Microwave detector is to utilize the Doppler effect of microwave to survey moving object: it is a kind of active probe technology, utilizes the frequency change Doppler effect relevant with the movement velocity of transmitting object of reflection wave to carry out the motion of detecting object.This technology is widely used on military radar and medical ultrasonic.
Microwave is a kind of electromagnetic wave, and its fundamental property presents and penetrates, reflects, absorbs three specific characters; Therefore microwave radar inductor needs to detect to guarantee its sensitivity after generation; Because the transmitter-receiver device of existing pick-up unit separates separately, therefore pick-up unit is conventionally all larger, takes up room large; Because deshielding property is good not, therefore will affect detection architecture in addition, be difficult to detect accurately the sensitivity of microwave radar inductor.
Utility model content
The utility model proposes a kind of volume little, conveniently moving, detects the pick-up unit of integrated microwave radar inductor accurately.
The technical solution of the utility model is achieved in that
A proving installation for microwave radar inductor, comprising: base, device to be detected coupling cavity, meeting device, output line, signal amplifier and motive objects cavity simulator;
Base comprises front panel, base plate and rear panel, base plate be connected in front panel and rear panel between and be positioned at both top, the top of base plate is provided with two relative risers; Front panel is provided with power switch and transmitting/receiving change-over switch;
Coupling cavity comprises the elastic device of lower mode cavity and upper cavity and fixing upper cavity, and upper cavity surrounds device to be detected after corresponding combination mutually with lower mode cavity; Lower mode cavity is fixed on base plate top, upper cavity be fixed on lower mode cavity directly over; Elastic device comprises a fixed head, and the both sides of fixed head are respectively equipped with a fixed leg, and on fixed leg, cover has elastic component, and fixed head is fixed on flexible member and can moves up and down along fixed leg, and the top of upper cavity is fixed on fixed head;
Meeting device comprises a dwang, and dwang is fixed between two risers and is positioned at the top of upper cavity, and dwang can be connected to the butt sheet on fixed head after being provided with rotation;
Output line is fixed on a side of lower mode cavity, and signal amplifier and motive objects cavity simulator are fixed on below base plate;
It also comprises oscillograph and spectrum analyzer, wherein oscillograph is connected with signal amplifier signal, signal amplifier is connected by output line signal with device coupling cavity to be detected, device coupling cavity to be detected is connected with motive objects cavity simulator signal, and motive objects cavity simulator signal is connected with spectrum analyzer signal; Signal amplifier is connected with stabilized voltage supply respectively with motive objects cavity simulator with device coupling cavity to be detected.
The pick-up unit that the utility model provides, to transmit and receive signal set to one, and by output line, signal is transferred to signal amplifier, signal amplifier sends motive objects cavity simulator to again and simulates comparison, and can surround microwave radar inductor to be detected after upper and lower die cavity combination, therefore shield effectiveness is better, can stop external interference simultaneously, makes to detect more accurate.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the electronic circuit block diagram of the proving installation of a kind of microwave radar inductor of the utility model;
Fig. 2 is the perspective view of the proving installation of a kind of microwave radar inductor of the utility model;
Fig. 3 is the perspective view in another orientation of proving installation of a kind of microwave radar inductor of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 and Fig. 2 and Fig. 3, a kind of proving installation of microwave radar inductor, comprising: base, device to be detected coupling cavity, meeting device, output line 14, signal amplifier 15 and motive objects cavity simulator 16;
Base comprises front panel 1, base plate 2 and rear panel 3, base plate 2 be connected in front panel 1 and rear panel 3 between and be positioned at both top, the top of base plate 2 is provided with two relative risers 4; Front panel 1 is provided with power switch 5 and transmitting/receiving change-over switch 6;
Coupling cavity comprises the elastic device of lower mode cavity 7 and upper cavity 8 and fixing upper cavity 8, surrounds device to be detected after upper cavity 8 and the mutual corresponding combination of lower mode cavity 7; Lower mode cavity 7 is fixed on base plate 2 tops, upper cavity 8 be fixed on lower mode cavity 7 directly over; Elastic device comprises a fixed head 9, and the both sides of fixed head 9 are respectively equipped with a fixed leg 10, and on fixed leg 10, cover has elastic component 11, and fixed head 9 is fixed on flexible member 11 and can moves up and down along fixed leg 10, and the top of upper cavity 8 is fixed on fixed head 9;
Meeting device comprises a dwang 12, and dwang 12 is fixed between two risers 4 and is positioned at the top of upper cavity 8, and dwang 12 can be connected to the butt sheet 13 on fixed head 9 after being provided with rotation;
Output line 14 is fixed on a side of lower mode cavity 7, and signal amplifier 15 and motive objects cavity simulator 16 are fixed on below base plate 2; Wherein output line 14 is electrically connected with signal amplifier 15 and motive objects cavity simulator 16.
Preferably, butt sheet 13 is provided with two.
Preferably, a side of dwang 12 is also provided with and drives drawing 17 of rotating of dwang 12.
Preferably, dwang 12 locks by screw with butt sheet 13, and butt sheet 13 is located between two risers 4; Draw the outside of being located at riser 4 17, draw 17 fixing by screw and dwang 12.
Preferably, the front end of butt sheet 13 is provided with guiding face 18.Butt sheet 13 is following dwang 12 while rotating, and guiding face 18 can play good guide function, and round and smooth transition reaches the face of butt.
Preferably, fixed head 9 is provided with an opening of stepping down of stepping down to output line 14.
Preferably, flexible member 11 is spring.Best is volute spring.
Preferably, output line 14 is copper cash.Output line 14 is arranged at a side of lower mode cavity 7, and can be located at the top of motive objects cavity simulator 16.
Preferably, be also provided with a baffle plate 19 on base plate 2, baffle plate 19 is located at the rear end of two risers 4.
The pick-up unit of the microwave radar inductor that the utility model provides, when use, first by the lower mode cavity of device to be detected 7, and then presses bottom plate 9, after upper cavity 8 is pressed down, coordinates with lower mode cavity 7, and device to be detected is surrounded; And then pull and drive dwangs 12 to rotate 17, butt sheet 13 is followed dwang 12 and is rotated, and after conventionally butt sheet 13 rotates 90 °, butt is to stator; After being ready to complete, start to detect.
(1) emissive power measuring process and principle of work
First insert module to be measured (DUT), power switch is placed in " opening " and locates, and transmitting/receiving change-over switch is allocated to " transmitting " and locates, and can test the magnitude of power (reference value) transmitting; Directly read by spectrum analyzer.
Principle of work is as described below:
The power of module to be measured is by device coupling cavity to be detected (W/G), directly be induced on the port of spectrum analyzer with quantitative constant induction, its ultimate principle is via in the cavity of the specific size of this wave band, by resonance at the antenna-coupled of this frequency range out by microwave energy.
(2) receive echometric measurement process and principle of work
The same, changing transmitting/receiving change-over switch is " reception " position, now, reflect this carrier frequency by the built-in gear motor of motive objects simulation cavity with the volume reflection of a particular area, the speed of the direct corresponding human action of rotating speed (walking) of this gear motor, thereby can record the walk echoed signal of speed of pedestrian, this signal feeds back to Low Medium Frequency amplifier simultaneously, after amplifying, be directly fed to again oscillograph, and read amplitude size and these two parameters of difference frequency numerical value by oscillograph.
After detection completes, pull handle, butt sheet is up rotated, and fixed head automatically up moves under the elastic force effect of spring, therefore pick and place device to be detected convenient.Can adjust owing to can elasticity adjustment " getting " with " putting " space length, this picks and places distance when too near, can affect the activity duration, and the utility model can be raised the efficiency greatly.
The upper and lower matched moulds design structure of device coupling cavity to be detected in addition, convenient inserting and taking and putting measured sensor, upper cavity and lower mode cavity can design according to device to be detected, after this die cavity combination, possess microwave induced characteristic.
This reception of motive objects cavity simulator is from the microwave energy of device to be detected coupling cavity in addition, then via the inductive probe of this cavity, And coupling exports spectrum analyzer to, can simulate very accurately.
The proving installation of the microwave radar inductor that the utility model provides is, according to electromagnetic wave principle and mechanism, to design the light and proving installation that do not take up room; And have the electromagnetic wave isolated chambers of getting rid of the heavy electric wave function of shielding can in particular plant inside, testing producing lines, hold more testing stations, stable and increase substantially exactly production capacity.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a proving installation for microwave radar inductor, is characterized in that, comprising: base, device to be detected coupling cavity, meeting device, output line, signal amplifier and motive objects cavity simulator;
Base comprises front panel, base plate and rear panel, base plate be connected in front panel and rear panel between and be positioned at both top, the top of base plate is provided with two relative risers; Front panel is provided with power switch and transmitting/receiving change-over switch;
Coupling cavity comprises the elastic device of lower mode cavity and upper cavity and fixing upper cavity, and upper cavity surrounds device to be detected after corresponding combination mutually with lower mode cavity; Lower mode cavity is fixed on base plate top, upper cavity be fixed on lower mode cavity directly over; Elastic device comprises a fixed head, and the both sides of fixed head are respectively equipped with a fixed leg, and on fixed leg, cover has elastic component, and fixed head is fixed on flexible member and can moves up and down along fixed leg, and the top of upper cavity is fixed on fixed head;
Meeting device comprises a dwang, and dwang is fixed between two risers and is positioned at the top of upper cavity, and dwang can be connected to the butt sheet on fixed head after being provided with rotation;
Output line is fixed on a side of lower mode cavity, and signal amplifier and motive objects cavity simulator are fixed on below base plate;
It also comprises oscillograph and spectrum analyzer, wherein oscillograph is connected with signal amplifier signal, signal amplifier is connected by output line signal with device coupling cavity to be detected, device coupling cavity to be detected is connected with motive objects cavity simulator signal, and motive objects cavity simulator signal is connected with spectrum analyzer signal; Signal amplifier is connected with stabilized voltage supply respectively with motive objects cavity simulator with device coupling cavity to be detected.
2. the proving installation of a kind of microwave radar inductor as claimed in claim 1, is characterized in that, butt sheet is provided with two.
3. the proving installation of a kind of microwave radar inductor as claimed in claim 1, is characterized in that, a side of dwang is also provided with the handle that draws that drives dwang rotation.
4. the proving installation of a kind of microwave radar inductor as claimed in claim 3, is characterized in that, dwang and butt sheet lock by screw, and butt sheet is located between two risers; Draw the outside of being located at riser, arm-tie is fixed by screw and dwang.
5. the proving installation of a kind of microwave radar inductor as claimed in claim 1, is characterized in that, the front end of butt sheet is provided with guiding face.
6. the proving installation of a kind of microwave radar inductor as claimed in claim 1, is characterized in that, fixed head is provided with an opening of stepping down of stepping down to output line.
7. the proving installation of a kind of microwave radar inductor as claimed in claim 1, is characterized in that, flexible member is spring.
8. the proving installation of a kind of microwave radar inductor as claimed in claim 1, is characterized in that, output line is copper cash.
9. the proving installation of a kind of microwave radar inductor as claimed in claim 1, is characterized in that, is also provided with a baffle plate on base plate, and baffle plate is located at the rear end of two risers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164573.3U CN203870247U (en) | 2014-04-04 | 2014-04-04 | Testing device for microwave radar inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164573.3U CN203870247U (en) | 2014-04-04 | 2014-04-04 | Testing device for microwave radar inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203870247U true CN203870247U (en) | 2014-10-08 |
Family
ID=51651185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164573.3U Withdrawn - After Issue CN203870247U (en) | 2014-04-04 | 2014-04-04 | Testing device for microwave radar inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203870247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913729A (en) * | 2014-04-04 | 2014-07-09 | 中山市博扬电子科技有限公司 | Test device of microwave radar inductor |
-
2014
- 2014-04-04 CN CN201420164573.3U patent/CN203870247U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103913729A (en) * | 2014-04-04 | 2014-07-09 | 中山市博扬电子科技有限公司 | Test device of microwave radar inductor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141008 Termination date: 20150404 |
|
| EXPY | Termination of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141008 Effective date of abandoning: 20160928 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |