CN208607360U - The microwave induced module of condenser type - Google Patents
The microwave induced module of condenser type Download PDFInfo
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- CN208607360U CN208607360U CN201821280084.9U CN201821280084U CN208607360U CN 208607360 U CN208607360 U CN 208607360U CN 201821280084 U CN201821280084 U CN 201821280084U CN 208607360 U CN208607360 U CN 208607360U
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Abstract
The utility model discloses a kind of microwave induced modules of condenser type, including sensor circuit plate, signal circuit board, control circuit board, shielding cover and tandem capacitance body, it is characterised in that: the tandem capacitance body is disposition in protracting circuit plate copper foil composition microwave signal coupler in sensor circuit plate and signal circuit board.Sensor circuit plate, signal circuit board and shielding cover form condenser type microwave remote sensor, and control circuit board drives microwave remote sensor detection sensor mobile object, and inductive signal is exported by control circuit board.The control circuit board is arranged according to induction sensitivity and photosensitive sensor, and control circuit unit drives microwave remote sensor power supply, and sensor is made to be in the working condition of detection sensor or the dormant state of non-detection sensor.The utility model is arranged by induction sensitivity and photosensitive sensor, controls microwave remote sensor power supply, forms a kind of microwave induced module of condenser type of highly sensitive high induction.
Description
Technical field
This application involves human body, object, liquids and gases sense of movement fields more particularly to a kind of electricity of tandem such as should detect
Hold type micro-wave induction module.
Background technique
Microwave remote sensor is using microwave Doppler principle, and detection human body, object are mobile, exports the circuit mould of inductive signal
Block.
Microwave induced module is combined using microwave remote sensor and control circuit, forms what one kind directly powered up
Circuit module uses microwave remote sensor.Microwave induced module can work in the environment of -20o -70o, have
Wider temperature range and higher induction sensitivity, are widely used in for mobile human body object, move vehicle, liquids and gases
The field of detecting such as flowing.
Microwave remote sensor belongs to current mode device, and running current is in 50mA or more, for current battery power reguirements
Control electric current it is obviously bigger than normal, and be used for Lighting control without working by day, and improper is distance of reaction, module can be made to go out
Now malfunction induction.
Microwave sensor operational frequency is higher, and circuit distribution parameter is affected to sensor, makes the anti-interference of sensor
Property is poor.Medium-sized microwave remote sensor sensitivity is relatively low, cannot normally start work under lower operating voltage, it is difficult to full
The low-power consumption requirement of Small current control, reduces microwave induced Module Reliability under sufficient low-voltage.
Summary of the invention
The goal of the invention of the utility model is: in view of the above problems, drawing sensor circuit plate and signal circuit
Plate circuit copper foil forms tandem capacitance body, and circuit board and shielding cover form condenser type microwave remote sensor, in control circuit board
The control circuit unit in face drives microwave remote sensor power supply, forms a kind of low-voltage starting, the capacitor of highly sensitive induction declines
Wave induction module.
In order to solve the above-mentioned technical problem, the application has following technical solution:
A kind of microwave induced module of condenser type of the utility model, including sensor circuit plate, signal circuit board, control circuit
Plate, shielding cover and tandem capacitance body, it is characterised in that: the tandem capacitance body is disposition in sensor circuit plate and letter
Protracting circuit plate copper foil forms microwave signal coupler on number circuit board；Sensor circuit plate, signal circuit board and shielding cover group
At condenser type microwave remote sensor.Control circuit board drives microwave remote sensor detection sensor mobile object, and inductive signal is by control electricity
The output of road plate.
The control circuit board is arranged according to induction sensitivity and photosensitive sensor, and control circuit unit drives microwave to pass
Sensor power supply makes sensor be in the working condition of detection sensor or the dormant state of non-detection sensor.
Preferably, in which:
The transmitting of the tandem capacitance body pole plate composition sensor circuit plate, receiving antenna component；It is flat to form symmetric form
Plate capacitor Cf；
The tandem capacitance body pole plate forms mixer components, with Cf formed asymmetric flat capacitor body Ct and
Cr；
The signal end of the tandem capacitance body pole plate composition, is disposed in sensor circuit plate and signal circuit board.
Preferably, in which:
The microwave signal capacity coupler is made of capacitance body Ct, Cr and Cf tandem, and Ct is by signal generation unit
Microwave signal is output to transmitting antenna through signal circuit board transmitting terminal；Cr is by microwave signal by receiving antenna through signal electricity
Road plate receiving end is input in frequency mixer, and mobile object inductive signal is exported by frequency mixer bottom.
Preferably, in which:
Further include on the circuit board signal generation unit, transmitting unit, receiving unit, frequency mixer, power circuit and
Inductive signal output；Signal generation unit connects transmitting unit and frequency mixer；Frequency mixer is defeated with receiving unit and inductive signal again
It connects out, signal generation unit connects power circuit.
Preferably, in which:
The frequency mixer is made of two asymmetric flat capacitor pole plates, and upper part is Ct pole plate, and lower part is
Cr pole plate, mixer tube are connected on Ct and Cr pole plate.
Preferably, in which:
The production method of Cf on the circuit board, including the following steps:
Step 1: drawing sensor circuit plate copper foil, forms the square of 2 interval 6*6mm；
Step 2: the signal for drawing a 5*2mm is extreme, and the center of two squares is connected to the line of width 10mil；
Step 3: mirror step one, two components adjust mirror image distance, make Cf=0.5pF；
The production method of asymmetric flat capacitor coupler Cr on the circuit board, including the following steps:
Step 1: drawing signal circuit board copper foil, and signal mixer lower part is made to become 235*190mil/95*
The umbilicate type spoon shape body of 110mil；
Step 2: I-shaped, one-sided open the signal end of a 216*53mil is drawn, with the line of width 30-67mil
It is connected to the center on the right side of frequency mixer recess；
Step 3: adjustment line width makes frequency mixer lower line part and Cf receive the coupler capacity for holding plate part
Cr=4.2pF；
The production method of Ct on the circuit board, including the following steps:
Step 1: drawing signal circuit board copper foil, and signal mixer upper part is become 382*348mil accumulation type mountain
Word shape；There are two the squares of 78*78mil to meet GND by via hole on the both sides of mountain shape bottom；It is connected with the line of width 10-65mil
To the top of mountain shape frequency mixer, signal generation unit is connected to a patch capacitor；
Step 2: according to Cr=4.2pF and according to calculation formula Ct=jCr, j=1.762 adjust mountain shape and 10-
The line width of 65mil makes frequency mixer upper part and Cf emit the capacity C r=7.4pF for holding plate part coupler.
Preferably, in which:
Ct and Cr on the circuit board, dielectric are sensor circuit plate and signal circuit board, and thickness is respectively 0.1-
10mm, material are FR4 glass fibre material, and covering insulation green oil forms tandem capacitance body.
Preferably, in which:
The pole D that the power circuit has a Chip-R to be connected to signal generation unit HJ-FET pipe；HJ-FET pipe
It is encapsulated as cross-type, there is the resonant body of 5*3mm on right side, and the circuit board of cross pedestal is attached to resin glue；The pole D and S are extremely each
There is the micro-strip ultramagnifier of one piece of fan shape.
Preferably, in which:
Power circuit, inductive signal amplifying unit, control unit, microwave remote sensor are provided in the control circuit board
Power circuit, power input and inductive signal output interface.
In conclusion by adopting the above-described technical solution, the application compared with prior art, reaches following effect:
One: sensor circuit plate, signal circuit board and shielding cover form condenser type microwave remote sensor, microwave signal transmission effect
Rate is high, and microwave remote sensor is anti-interference strong.
Two: control circuit unit is arranged according to induction sensitivity and photosensitive sensor, drives microwave remote sensor power supply,
It reduces induction module circuit power consumption and increases induction detection reliability.
Three: object movable sensor can be according to different look-in frequencies, using calculation formula Ct=jCr, j=1.762, really
Determine Cr and Ct capacitance, the matching of instant microwave detectable signal.
Four: mixer components are separately positioned on above Ct pole plate and the capacitor plate of Cr, the detection for enhancing frequency mixer is defeated
Out, the induction sensitivity for improving sensor, allows sensor to start work at low voltage.
Five: being respectively 0.1-10mm signal circuit board with thickness, material is insulation Jie that FR4 glass fibre material does capacitor
Matter, high frequency capacitance the coupler Ct and Cr that covering welding resistance green oil is formed, the variation of capacitor j value is small, and microwave remote sensor consistency is good.
Six: being detected by photosensitive sensor, close microwave remote sensor power supply, sensor is made to be in idle suspend mode on daytime
State controls lamp lighting to be applicable in induction.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the microwave induced module of the condenser type of the utility model.
Fig. 2 is the structural schematic diagram of the condenser type microwave remote sensor of the utility model.
Fig. 3 is the component locations schematic diagram of the control circuit board of the utility model.
Specific embodiment
As used certain titles, vocabulary or term to censure specific components and circuit in the specification and claims
Constitute, those skilled in the art should understand that engineers and technicians, hardware, component manufacturer may with different nouns and
Vocabulary calls the same component and title.For ease of understanding, description and explanation, technical staff also will use identical title or
Term describes the inductor that component and element circuit are constituted, as the application is mentioned throughout the specification and claims
Circuit board, microstrip line, signal end, capacity coupler, asymmetric flat capacitor body Ct and Cr, dielectric, signal generate
Unit, signal feeding, signal output input, transmitting unit, receiving unit, frequency mixer, power circuit and inductive signal output etc.,
These titles or vocabulary occur in this application all in the form of component or circuit unit.
The description of the present application, Figure of description, abstract of description, abstract echo figure claim not with the difference of title
It is different as distinguishing the mode that component or circuit are formed, but be formed in structure with component or circuit, functionally, using rule
Upper, design method and it is first-class using conception, for the use of the technical solution of the application existing for difference as differentiation criterion.
Specification subsequent descriptions are to implement the better embodiment of the application, and so the description is one to illustrate the application
As for the purpose of principle, be not intended to limit the scope of the present application.The protection scope of the application is worked as to be defined depending on appended claims
Subject to person.
"comprising" is an open language, therefore should be construed to " including but not limited to "." substantially " refer to receivable
In error range, those skilled in the art can solve the technical problem within a certain error range, basically reach the skill
Art effect.In addition, " coupling " word includes any direct and indirect electric property coupling means herein.Therefore, if it is described herein that one
First device is coupled to a second device, then representing the first device can be directly electrically coupled to the second device, or logical
It crosses other devices or coupling means and is electrically coupled to the second device indirectly.Specification subsequent descriptions are to implement the application
Better embodiment, so the description is being not limited to the model of the application for the purpose of the rule for illustrating the application
It encloses.The protection scope of the application is as defined by the appended claims.
It is a kind of herein described specific embodiment of the microwave induced module of condenser type referring to Fig. 1, Fig. 2, Fig. 3.
It is as shown in Fig. 3: to include: probe power 801, filtering gallbladder capacitor 802, control circuit list in control circuit board 80
Member 803, photosensitive sensor and setting 804, fixed screw holes 805, induction sensitivity setting 806, driving metal-oxide-semiconductor 807, induction letter
Number amplifying unit 808, voltage regulator circuit 809, power input, inductive signal output 810 and microwave remote sensor signal output 811.
External 3.5-24V supply voltage is inputted by microwave induced module interface 810, by voltage regulator circuit 809 and tantalum capacitor
Module work is supplied to after 802 filtering.
The power supply of microwave remote sensor is provided by metal-oxide-semiconductor 807, and control unit 803 is according to induction sensitivity and photosensitive sensor
Setting drives metal-oxide-semiconductor 807, power supply is provided to microwave remote sensor by probe power 801, when induction sensitivity 806 and photosensitive biography
Sensor 804 is arranged in full-time employment, and control unit 803 drives metal-oxide-semiconductor 807, opens microwave remote sensor power supply, makes at sensor
In the working condition of detection sensor；It does not work when induction sensitivity 806 and photosensitive sensor 804 are arranged in bright light or daytime
When, control unit 803 drives metal-oxide-semiconductor 807, closes microwave remote sensor power supply, sensor is made to be in the suspend mode shape of non-detection sensor
State, to reduce modular circuit power consumption.
The mobile object inductive signal of microwave remote sensor is input to inductive signal amplifying unit 808 by signal port 811 and amplifies
Afterwards, it is supplied to control unit 803, induction control signal is exported by control unit 803 from signal output 810.Three screw holes
805, facilitate induction module installation positioning.
As shown in Fig. 2: the condenser type microwave remote sensor in the present embodiment includes: sensor circuit plate 10, hair on circuit board
Penetrate antenna 101, transmitting signal end 1011 and 2011.Signal circuit board 20, receiving antenna 102, receives letter at signal coupled capacitor 30
Number end 1021 and 2021, power circuit 203, mixer unit 204, signal generate 205, inductive signal output 206.
A kind of microwave induced module of condenser type, including sensor circuit plate 10, signal circuit board 20, control circuit board 80, screen
Cover cover and tandem capacitance body.
Tandem capacitance body is disposition in protracting circuit plate copper foil in sensor circuit plate and signal circuit board, and circuit board is folded
It forces together, makes to draw capacitance body formation inline configuration, form microwave signal coupler；Microwave sounding signal is in the capacitor bodily form
At pole plate above couple, to improve effectiveness.Sensor circuit plate 10, signal circuit board 20 and shielding case bluk recombination are solid
It is scheduled on together, forms condenser type microwave remote sensor；Control circuit unit 803 in control circuit board 80 drives metal-oxide-semiconductor 807, opens
Microwave remote sensor power supply is opened or closed, realizes the mobile induction detection of object, inductive signal is defeated by 810 interface 810 of control circuit board
Out.
Control circuit board is provided with induction sensitivity and light sensor device assembly, and control circuit unit 803 is according to induction spirit
Sensitivity and the setting of light sensor device assembly, control circuit unit drive microwave remote sensor power supply, when induction sensitivity 806 and photosensitive
Sensor 804 is arranged in full-time employment, and control unit 803 drives metal-oxide-semiconductor 807, opens microwave remote sensor and provides power supply, makes to pass
Sensor is in the working condition of detection sensor；When induction sensitivity 806 and photosensitive sensor 804 were arranged on bright light or daytime
When not working, control unit 803 drives metal-oxide-semiconductor 807, closes microwave remote sensor and provides power supply, is in sensor and does not detect sense
The dormant state answered, to reduce modular circuit power consumption.It is controlled for inductive lightning, lamps and lanterns can be on daytime and not incuded
Closed state.
Tandem capacitance body pole plate forms the transmitting of sensor circuit plate, receiving antenna component；Form symmetric form capacity plate antenna
Cf makes microwave remote sensor have higher induction sensitivity.
The tandem capacitance body pole plate forms mixer components, with Cf formed asymmetric flat capacitor body Ct and
Cr；Improve microwave signal transmission efficiency.
The signal end of tandem capacitance body pole plate composition, disposition is in sensor circuit plate and signal circuit board, microwave signal
Input and output are realized by the signal end that capacitance body connects.
The microwave signal capacity coupler is made of capacitance body Ct, Cr and Cf tandem, and Ct is by signal generation unit
Microwave signal is output to transmitting antenna through signal circuit board transmitting terminal；Cr is by microwave signal by receiving antenna through signal electricity
Road plate receiving end is input in frequency mixer, and mobile object inductive signal is exported by frequency mixer bottom.
Tandem capacitance body pole plate forms the transmitting of sensor circuit plate 10, receiving antenna component, makes the blade portion of capacitance body
Exceptionally reveal, a test surface contacted with free surrounding space occur, forms symmetric form capacity plate antenna Cf, complete the transmitting of high-frequency signal
And reception, realize mobile object induction detection.
Tandem capacitance body pole plate forms the mixer components 204 of signal circuit board 20, and frequency mixer is made to have higher inspection
Weave efficiency, mixer components form two groups of asymmetric flat capacitor body Ct by signal end and sensor circuit plate Cf signal end
And Cr, three groups of capacitance body Ct, Cr and Cf tandems form high-frequency signal coupler, realize signal directly on the pole plate of capacitance body
Input, output.The high-frequency signal of signal generation unit is output to transmitting antenna through signal circuit board transmitting terminal 2011 by Ct；
High-frequency signal is input in frequency mixer by receiving antenna through signal circuit board receiving end 2021 by Cr, mobile object induction letter
It number is exported by frequency mixer bottom；
The capacitance body Cf of symmetric form be drawn with 10 copper foil of inductor circuit plate to be formed symmetric form tandem capacitance body transmitting and
Receiving antenna part generates the exposed contact surface of pole plate, for sensor emission and receives high-frequency signal.
Two groups of asymmetric flat capacitor body Ct and Cr are to draw shape using 20 double-sided PCB copper foil of signal circuit board
At, mixed furniture assembly, the dielectric formed by two pieces of circuit boards, the electricity with Cf composition tandem are set on pole plate
Volume forms high-frequency signal coupler, and detectable signal couples immediately above in the pole plate of capacitance body, effectively eliminates via hole connection
The influence for transmitting signal circuit impedance and induction reactance deamplification, improves the induction sensitivity of sensor.
It further include signal generation unit, transmitting unit, receiving unit, mixing on circuit board to make normal operation of sensor
Device, power circuit and inductive signal output；Signal generation unit connects transmitting unit and mixer components；Frequency mixer again with reception
Unit and inductive signal output connection, signal generation unit connect power circuit.
Frequency mixer is made of two asymmetric flat capacitor pole plates, and upper part is Ct pole plate, and lower part is Cr pole plate,
High-frequency signal is directly coupled on the pole plate antenna of Cr by the signal end connected, improves signal transfer efficiency.Mixer tube is connected
It connects on Ct and Cr pole plate, enhances the detection efficiency of frequency mixer.The induction sensitivity that sensor is improved with this is sensor
Start work at low voltage.
By permanent research and experiment discovery, using the copper foil of wiring board, by frequency mixer, transmitting unit and receiving unit
Circuit part, be arranged in above the pole plate of tandem capacitance body, the inductor induction sensitivity of sensor is greatly improved,
It is anti-interference stronger.
It is wanted according to the high-frequency signal frequency characteristic and distance of reaction of sensor, it is thus necessary to determine that Cr, Ct and Cr signal capacitor
Capacitance.The application by many times experiment, accurately calculate and test repeatedly discovery, for the high-frequency microwave signal of 5-17Ghz,
When the capacitance of Cf is the capacity ratio j=1.762 of 0.5pF, Ct and Cr, inductive signal coverage area and sensitivity reach best
Effect.
According to the above feature, on sensor circuit plate 10, protracting circuit plate copper foil makes the capacitance 0.5pF of Cf, is believing
Above number circuit board 20, protracting circuit plate copper foil changes microstrip line construction, sets spill, leakage for the output of microwave mixer 204
Bucket-shaped, bottom connects the special shapes such as sector, and the dielectric and sensor circuit plate Cf formed using FR4 circuit board material is connect
It receives antenna pad part 102,1021 and forms capacitance body, make capacitor Cr=4.2pF, according to calculation formula Ct=jCr, j=1.762
, make antenna output capacitance Ct=7.4pF with similar design method, the capacitance body of sensor made to reach optimal Signal Matching
State.
It is embodied as follows:
The production method of Cf on the circuit board, including the following steps:
Step 1: drawing sensor circuit plate copper foil, forms the square of 2 interval 6*6mm；
Step 2: the signal for drawing a 5*2mm is extreme, and the center of two squares is connected to the line of width 10mil；
Step 3: mirror step one, two components adjust mirror image distance, make Cf=0.5pF；
The production method of asymmetric flat capacitor coupler Cr on the circuit board, including the following steps:
Step 1: drawing signal circuit board copper foil, and signal mixer lower part is made to become 235*190mil/95*
The umbilicate type spoon shape body of 110mil；
Step 2: I-shaped, one-sided open the signal end of a 216*53mil is drawn, with the line of width 30-67mil
It is connected to the center on the right side of frequency mixer recess；
Step 3: adjustment line width makes frequency mixer lower line part and Cf receive the coupler capacity for holding plate part
Cr=4.2pF；
The production method of Ct on the circuit board, including the following steps:
Step 1: drawing signal circuit board copper foil, and signal mixer upper part is become 382*348mil accumulation type mountain
Word shape；There are two the squares of 78*78mil to meet GND by via hole on the both sides of mountain shape bottom；It is connected with the line of width 10-65mil
To the top of mountain shape frequency mixer, signal generation unit is connected to a patch capacitor；
Step 2: according to Cr=4.2pF and according to calculation formula Ct=jCr, j=1.762 adjust mountain shape and 10-
The line width of 65mil makes frequency mixer upper part and Cf emit the capacity C r=7.4pF for holding plate part coupler.
Ct and Cr, dielectric are for sensor circuit plate and signal circuit board, and the thickness of two pieces of circuit boards is respectively 0.1-
10mm, material is FR4 glass fibre material, during board production, the insulator that covering welding resistance green oil is formed, by two electricity
After road plate is combined with each other, tandem capacitor is formed, microwave signal passes in the high-frequency signal coupler that two pieces of circuit boards are formed
It is defeated.
On signal circuit board, the pole D that power circuit has a Chip-R to be connected to signal generation unit HJ-FET pipe
Power supply is provided, HJ-FET pipe is encapsulated as cross-type, and there is the resonant body of 5*3mm on right side, is attached to cross pedestal with resin glue
On circuit board, composition microwave high-frequency signals generate unit, provide detectable signal for induction module, the pole D and S extremely respectively have one piece of sector
The micro-strip ultramagnifier of shape, improves the stability of signal circuit.
It is provided with power circuit 809 in control circuit board 80, provides working power, the induction letter of microwave remote sensor for module
Number by 808 enhanced processing of inductive signal amplifying unit, it is supplied to control unit 803.Microwave remote sensor power circuit has metal-oxide-semiconductor
807 compositions, control unit 803 drive metal-oxide-semiconductor 807 to provide power supply, power input and induction to microwave remote sensor by interface 801
Signal output interface 810 connects induction module external power supply and exports induction control signal.
As can be seen from the above embodiments beneficial effect existing for the application is:
One: sensor circuit plate, signal circuit board and shielding cover form condenser type microwave remote sensor, microwave signal transmission effect
Rate is high, and microwave remote sensor is anti-interference strong.
Two: control circuit unit is arranged according to induction sensitivity and photosensitive sensor, drives microwave remote sensor power supply,
It reduces induction module circuit power consumption and increases induction detection reliability.
Three: object movable sensor can be according to different look-in frequencies, using calculation formula Ct=jCr, j=1.762, really
Determine Cr and Ct capacitance, the matching of instant microwave detectable signal.
Four: mixer components are separately positioned on above Ct pole plate and the capacitor plate of Cr, the detection for enhancing frequency mixer is defeated
Out, the induction sensitivity for improving sensor, allows sensor to start work at low voltage.
Five: being respectively 0.1-10mm signal circuit board with thickness, material is insulation Jie that FR4 glass fibre material does capacitor
Matter, high frequency capacitance the coupler Ct and Cr that covering welding resistance green oil is formed, the variation of capacitor j value is small, and microwave remote sensor consistency is good.
Six: being detected by photosensitive sensor, close microwave remote sensor power supply, sensor is made to be in idle suspend mode on daytime
State controls lamp lighting to be applicable in induction.
Above description shows and describes several preferred embodiments of the present application, but as previously described, it should be understood that the application
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through within that scope of the inventive concept describe herein
It is modified.And changes and modifications made by those skilled in the art do not depart from spirit and scope, then it all should be in this Shen
It please be in the protection scope of appended claims.
Claims (9)
1. a kind of microwave induced module of condenser type, including sensor circuit plate, signal circuit board, control circuit board, shielding cover and
Tandem capacitance body, it is characterised in that: the tandem capacitance body is that disposition is drawn in sensor circuit plate and signal circuit board
Circuit board copper foil processed forms microwave signal coupler；Sensor circuit plate, signal circuit board and shielding cover form capacitor type micro-wave
Sensor；Control circuit board drives microwave remote sensor detection sensor mobile object, and inductive signal is exported by control circuit board.
2. the microwave induced module of condenser type according to claim 1, it is characterised in that: the control circuit board is according to sense
Sensitivity and photosensitive sensor is answered to be arranged, control circuit unit drives microwave remote sensor power supply, and sensor is made to be in detection sensor
Working condition or non-detection sensor dormant state.
3. the microwave induced module of condenser type according to claim 1, it is characterised in that:
The transmitting of the tandem capacitance body pole plate composition sensor circuit plate, receiving antenna component；Form symmetric form plate electricity
Hold Cf；
The tandem capacitance body pole plate forms mixer components, forms asymmetric flat capacitor body Ct and Cr with Cf；
The signal end of the tandem capacitance body pole plate composition, is disposed in sensor circuit plate and signal circuit board.
4. the microwave induced module of condenser type according to claim 1, it is characterised in that:
The microwave signal capacity coupler is made of capacitance body Ct, Cr and Cf tandem, and Ct is by the microwave of signal generation unit
Signal is output to transmitting antenna through signal circuit board transmitting terminal；Microwave signal is penetrated signal circuit board by receiving antenna by Cr
Receiving end is input in frequency mixer, and mobile object inductive signal is exported by frequency mixer bottom.
5. the microwave induced module of condenser type according to claim 1, it is characterised in that:
It further include signal generation unit, transmitting unit, receiving unit, frequency mixer, power circuit and induction on the circuit board
Signal output；Signal generation unit connects transmitting unit and frequency mixer；Frequency mixer connects with receiving unit and inductive signal output again
It connects, signal generation unit connects power circuit.
6. the microwave induced module of condenser type according to claim 3 or 4, it is characterised in that: the frequency mixer is by two
Asymmetric flat capacitor pole plate composition, upper part is Ct pole plate, and lower part is Cr pole plate, and mixer tube is connected to the pole Ct and Cr
On plate.
7. the microwave induced module of condenser type described in one of -4 according to claim 1, which is characterized in that Ct on the circuit board
And Cr, dielectric are sensor circuit plate and signal circuit board, thickness is respectively 0.1-10mm, and material is FR4 glass fibre material,
Covering insulation green oil forms tandem capacitance body.
8. the microwave induced module of condenser type according to claim 5, it is characterised in that:
The pole D that the power circuit has a Chip-R to be connected to signal generation unit HJ-FET pipe；The encapsulation of HJ-FET pipe
For cross-type, there is the resonant body of 5*3mm on right side, and the circuit board of cross pedestal is attached to resin glue；The pole D and S extremely respectively have one
The micro-strip ultramagnifier of block fan shape.
9. the microwave induced module of condenser type according to claim 1, it is characterised in that: be arranged in the control circuit board
There are power circuit, inductive signal amplifying unit, control unit, microwave remote sensor power circuit, power input and inductive signal defeated
Outgoing interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821280084.9U CN208607360U (en) | 2018-08-09 | 2018-08-09 | The microwave induced module of condenser type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821280084.9U CN208607360U (en) | 2018-08-09 | 2018-08-09 | The microwave induced module of condenser type |
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| Publication Number | Publication Date |
|---|---|
| CN208607360U true CN208607360U (en) | 2019-03-15 |
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ID=65679108
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821280084.9U Expired - Fee Related CN208607360U (en) | 2018-08-09 | 2018-08-09 | The microwave induced module of condenser type |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802717A (en) * | 2018-08-09 | 2018-11-13 | 武光杰 | The microwave induced module of condenser type |
-
2018
- 2018-08-09 CN CN201821280084.9U patent/CN208607360U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802717A (en) * | 2018-08-09 | 2018-11-13 | 武光杰 | The microwave induced module of condenser type |
| CN108802717B (en) * | 2018-08-09 | 2023-09-26 | 杰华智感(深圳)科技有限公司 | Capacitive microwave induction module |
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