CN106771559A - A kind of high-power on-Line Monitor Device of emitter - Google Patents
A kind of high-power on-Line Monitor Device of emitter Download PDFInfo
- Publication number
- CN106771559A CN106771559A CN201710151033.XA CN201710151033A CN106771559A CN 106771559 A CN106771559 A CN 106771559A CN 201710151033 A CN201710151033 A CN 201710151033A CN 106771559 A CN106771559 A CN 106771559A
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- China
- Prior art keywords
- power
- emitter
- sensor
- ammeter
- waveguide
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/02—Arrangements for measuring electric power or power factor by thermal methods, e.g. calorimetric
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses a kind of high-power on-Line Monitor Device of emitter, it includes waveguide（1）, cover plate（2）With detection waveguide（3）, base（4）Inside it is provided with ammeter（5）, sensor（11）On probe（13）It is arranged at coupling aperture（12）It is interior, probe（13）On be sequentially arranged thermocouple and layers of absorbent material, thermocouple is made up of bismuth antimony material layer and the copper wire being in contact with bismuth antimony material layer, multiple sensors（11）It is sequentially connected in series, positioned at tip sensor（11）Positive pole and ammeter（5）Positive pole connection, positioned at head end sensor（11）Negative pole to ammeter（5）Negative pole between in sequential series have potentiometer（8）, current-limiting resistance（9）And thermistor（10）.The beneficial effects of the invention are as follows：Monitoring accuracy is high, small volume, power output that emitter can be intuitively known on ammeter, facilitates the fault detect and maintenance of emitter, is that digitlization, the remote measurement of the high-power Monitoring Data of emitter are laid a good foundation.
Description
Technical field
The present invention relates to the technical field of output power of transmitter monitoring, particularly a kind of high-power on-line monitoring of emitter
Device.
Background technology
At present, power output is one of major parameter of emitter, and it directly affects the detection power of radar.Detection transmitting
The power output of machine is the important evidence for judging that whether normal radar working condition is.On-line measurement emitter on the whole machine of conventional radar
Power output is mainly coupled a part of power using directional coupler and combines to measure through detector diode, ammeter or small-power meter
The high-power output of emitter, non-linear and consistent sex differernce, temperature characterisitic and coupler yet with detector diode are put down
Smooth degree causes measurement error big, and component is more, and volume is big, high cost.Therefore current on-line measurement device cannot meet requirement, because
This does not promote use.
The content of the invention
The present invention facilitates the fault detect and maintenance of emitter, is the digitlization of the high-power Monitoring Data of emitter, distant
Survey is laid a good foundation, there is provided a kind of compact conformation, monitoring accuracy are high, reading is directly perceived, the high-power online prison of small volume emitter
Survey device.
The purpose of the present invention is achieved through the following technical solutions：A kind of high-power on-Line Monitor Device of emitter, it is wrapped
Waveguide, cover plate and detection waveguide are included, described cover plate is arranged at the top of waveguide, and cover plate outer surface is provided with base, bottom
Ammeter is provided with seat, described detection waveguide is arranged at the bottom of waveguide, die cavity, die cavity are provided with described waveguide
Rectangular receptacle, potentiometer, current-limiting resistance, thermistor and multiple sensors are inside provided with, are provided with the basal surface of die cavity many
The coupling aperture of individual connection waveguide, the probe on sensor is arranged in coupling aperture, and thermocouple and suction have been sequentially arranged on probe
Material layer is received, thermocouple is made up of bismuth antimony material layer and the copper wire being in contact with bismuth antimony material layer, and multiple sensors are sequentially connected in series,
Be connected with the positive pole of ammeter positioned at the positive pole of tip sensor, positioned at head end sensor negative pole between the negative pole of ammeter sequentially
Potentiometer, current-limiting resistance and thermistor are in series with, the positive pole and negative pole of sensor are connected with rectangular receptacle.
Described sensor is made up of thermocouple and layers of absorbent material.
Described bismuth antimony material layer and it is connected by soldering with copper wire.
The present invention has advantages below：(1) thermocouple of the invention is in contact by bismuth antimony material layer and with bismuth antimony material layer
Copper wire composition, improve microwave power conversion efficiency, probe placement can be detected high-power in coupling aperture.(2) energy on ammeter
The performance number of enough output power of transmitters of display in real time, without power supply, apparatus structure is simple, easy to use, while convenient transmitting
The fault detect and maintenance of machine, are that digitlization, the remote measurement of the high-power Monitoring Data of emitter are laid a good foundation.(3) it is of the invention
Thermocouple and layers of absorbent material are sequentially arranged on probe, probe may be selected the layers of absorbent material of different frequency range, to be applicable each frequency
Section high-power transmitter on-line monitoring.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the left view of Fig. 1；
In figure, 1- waveguides, 2- cover plates, 3- detection waveguides, 4- bases, 5- ammeters, 6- die cavities, 7- rectangular receptacles, 8- electricity
Position device, 9- current-limiting resistances, 10- thermistors, 11- sensors, 12- coupling apertures, 13- probes.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings, and protection scope of the present invention is not limited to as described below：
As shown in Fig. 1~2, a kind of high-power on-Line Monitor Device of emitter, it includes waveguide 1, cover plate 2 and detection ripple
3 are led, described cover plate 2 is arranged at the top of waveguide 1, the outer surface of cover plate 2 is provided with base 4, base 4 and is provided with ammeter 5,
Described detection waveguide 3 is arranged at the bottom of waveguide 1.Described ammeter 5 is provided with power groove and with electric current value changes
Pointer.
As shown in Fig. 1~2, it is provided with described waveguide 1 in die cavity 6, die cavity 6 and is provided with rectangular receptacle 7, potentiometer
8th, current-limiting resistance 9, thermistor 10 and multiple sensors 11, sensor 11 are uniformly distributed around the edge of die cavity 6, the bottom table of die cavity 6
Be provided with the coupling apertures 12 of multiple connection waveguides 1 on face, a diameter of 4~5mm of coupling aperture 12, sensor 11 by thermocouple and
Layers of absorbent material is constituted, and the probe 13 on sensor 11 is arranged in coupling aperture 12, be sequentially arranged on probe 13 thermocouple and
Layers of absorbent material, thermocouple is made up of bismuth antimony material layer and the copper wire being in contact with bismuth antimony material layer, antimony material layer and and copper wire
Connected by soldering, multiple sensors 11 are sequentially connected in series, and the positive pole positioned at tip sensor 11 is connected with the positive pole of ammeter 5, position
There are potentiometer 8, current-limiting resistance 9 and thermistor 10 in sequential series between the negative pole of ammeter 5 in the negative pole of head end sensor 11,
The positive pole and negative pole of sensor 11 are connected with rectangular receptacle 7, are easy to implement digitlization and remote measurement.Described probe 13 may be selected
The layers of absorbent material of different frequency range, is monitored on-line with being applicable each frequency range high-power transmitter.
The course of work of the invention is as follows：Can be compared by with high power meter when first using the monitoring device, adjusted
Whole potentiometer 8 to select different negative tempperature coefficient thermistors to be calibrated, to improve certainty of measurement, it is ensured that error less than ±
10%.Detection waveguide 3 is arranged in the main waveguide of emitter output end, to realize the fixation of the monitoring device, when emitter is defeated
When going out HIGH-POWERED MICROWAVES signal into detection waveguide 3, the layers of absorbent material positioned at the top of probe 13 of sensor 11 absorbs first
Part microwave power heating, heat makes bismuth antimony material layer be raised with the hot node temperature of the thermocouple of copper wire composition, now with it is cold
Node produces the temperature difference and forms thermoelectromotive force, and the direct electromotive force. of generation is directly proportional to transmission microwave power and the linearity is high,
Electric current is sequentially delivered on ammeter 5 through potentiometer 8, current-limiting resistance 9, thermistor 10, is directly displayed on ammeter 5 corresponding
Output power of transmitter value, therefore, it is possible to intuitively know the power output of emitter on ammeter, facilitates the failure of emitter
Detection and maintenance, are that digitlization, the remote measurement of the high-power Monitoring Data of emitter are laid a good foundation.
The degree of coupling needs to meet if the power of the on-Line Monitor Device is for 25kW：Sensor bears power no more than 3W, peace
Overall coefficient selects 1.5, so operating power is 2W, degree of coupling C is calculated according to below equation:
C=10Lg (PEnter/PGo out)=10Lg (25000/2) ≈ 41dB, wherein PEnterIt is input power, PGo outIt is power output.
Due to the limitation of sensor, coupling aperture can only be selected between Φ 4 to Φ 5mm.Coupling aperture is coupled in center
Power is maximum, from center more away from coupled power it is smaller.Distance through the repeatedly aperture of adjustment coupling aperture and its away from center is then imitative
True analysis drawn when coupling bore dia d and taking Φ 4.8mm, and coupling aperture to center apart from a take 51.5mm when, the degree of coupling exists
41dB, curve smoothing.
If by the on-Line Monitor Device on the emitter of 10kW with high power meter (GD9) contrast test, with high power meter
On the basis of calculate the high-power on-Line Monitor Device of emitter error such as following table：
Above-mentioned measurement result is 31 points of sampling in the 300MHz bandwidth of S-band, and the ﹪ of test error ＜ 8 are (with the big work(of GD9
Rate is calculated as standard).Disclosure satisfy that the use requirement of radar.
Claims (3)
1. the high-power on-Line Monitor Device of a kind of emitter, it is characterised in that：It includes waveguide（1）, cover plate（2）With detection ripple
Lead（3）, described cover plate（2）It is arranged at waveguide（1）Top, cover plate（2）Outer surface is provided with base（4）, base（4）It is interior
It is provided with ammeter（5）, described detection waveguide（3）It is arranged at waveguide（1）Bottom, described waveguide（1）Inside it is provided with
Die cavity（6）, die cavity（6）Inside it is provided with rectangular receptacle（7）, potentiometer（8）, current-limiting resistance（9）, thermistor（10）Passed with multiple
Sensor（11）, die cavity（6）Basal surface on be provided with multiple connection waveguides（1）Coupling aperture（12）, sensor（11）On
Probe（13）It is arranged at coupling aperture（12）It is interior, probe（13）On be sequentially arranged thermocouple and layers of absorbent material, thermocouple is by bismuth
Antimony material layer and the copper wire composition being in contact with bismuth antimony material layer, multiple sensors（11）It is sequentially connected in series, positioned at tip sensor
（11）Positive pole and ammeter（5）Positive pole connection, positioned at head end sensor（11）Negative pole to ammeter（5）Negative pole between sequentially
It is in series with potentiometer（8）, current-limiting resistance（9）And thermistor（10）, sensor（11）Positive pole and negative pole and rectangular receptacle
（7）Connection.
2. the high-power on-Line Monitor Device of a kind of emitter according to claim 1, it is characterised in that：Described sensor
（11）It is made up of thermocouple and layers of absorbent material.
3. the high-power on-Line Monitor Device of a kind of emitter according to claim 1, it is characterised in that：Described bismuth antimony material
The bed of material and it is connected by soldering with copper wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151033.XA CN106771559A (en) | 2017-03-14 | 2017-03-14 | A kind of high-power on-Line Monitor Device of emitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151033.XA CN106771559A (en) | 2017-03-14 | 2017-03-14 | A kind of high-power on-Line Monitor Device of emitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106771559A true CN106771559A (en) | 2017-05-31 |
Family
ID=58962731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710151033.XA Pending CN106771559A (en) | 2017-03-14 | 2017-03-14 | A kind of high-power on-Line Monitor Device of emitter |
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| Country | Link |
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| CN (1) | CN106771559A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB744771A (en) * | 1953-03-17 | 1956-02-15 | British Thomson Houston Co Ltd | Improvements in and relating to h.f. power measuring apparatus |
| GB837733A (en) * | 1957-10-01 | 1960-06-15 | Bernard Fleming | Improvements in or relating to microwave measuring apparatus |
| GB1002537A (en) * | 1961-01-23 | 1965-08-25 | Lucas Industries Ltd | Method of, and apparatus for, measuring the power transmitted by a wave-guide |
| GB1014728A (en) * | 1963-07-05 | 1965-12-31 | Alan Gibson Heaton | Automatic micro-wave power-balance wattmeter |
| JPH06235744A (en) * | 1993-02-10 | 1994-08-23 | Mitsubishi Electric Corp | Microwave power detector |
| RU2073874C1 (en) * | 1994-06-29 | 1997-02-20 | Харьковский государственный технический университет радиоэлектроники | Device which measures power in waveguide circuits |
| CN101915870A (en) * | 2010-07-12 | 2010-12-15 | 东南大学 | MEMS (Micro Electronic Mechanical System) cantilever beam type online microwave power sensor and production method thereof |
| CN206848360U (en) * | 2017-03-14 | 2018-01-05 | 成都中电锦江信息产业有限公司 | A kind of high-power on-Line Monitor Device of emitter |
-
2017
- 2017-03-14 CN CN201710151033.XA patent/CN106771559A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB744771A (en) * | 1953-03-17 | 1956-02-15 | British Thomson Houston Co Ltd | Improvements in and relating to h.f. power measuring apparatus |
| GB837733A (en) * | 1957-10-01 | 1960-06-15 | Bernard Fleming | Improvements in or relating to microwave measuring apparatus |
| GB1002537A (en) * | 1961-01-23 | 1965-08-25 | Lucas Industries Ltd | Method of, and apparatus for, measuring the power transmitted by a wave-guide |
| GB1014728A (en) * | 1963-07-05 | 1965-12-31 | Alan Gibson Heaton | Automatic micro-wave power-balance wattmeter |
| JPH06235744A (en) * | 1993-02-10 | 1994-08-23 | Mitsubishi Electric Corp | Microwave power detector |
| RU2073874C1 (en) * | 1994-06-29 | 1997-02-20 | Харьковский государственный технический университет радиоэлектроники | Device which measures power in waveguide circuits |
| CN101915870A (en) * | 2010-07-12 | 2010-12-15 | 东南大学 | MEMS (Micro Electronic Mechanical System) cantilever beam type online microwave power sensor and production method thereof |
| CN206848360U (en) * | 2017-03-14 | 2018-01-05 | 成都中电锦江信息产业有限公司 | A kind of high-power on-Line Monitor Device of emitter |
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