CN105514548A - Electric power monitoring system - Google Patents
Electric power monitoring system Download PDFInfo
- Publication number
- CN105514548A CN105514548A CN201610067757.1A CN201610067757A CN105514548A CN 105514548 A CN105514548 A CN 105514548A CN 201610067757 A CN201610067757 A CN 201610067757A CN 105514548 A CN105514548 A CN 105514548A
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- Prior art keywords
- road
- arm
- detection system
- detector
- sheet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
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Abstract
The invention discloses an electric power monitoring system. The electric power monitoring system comprises a first detector and a second detector. The detection signal output end of the first detector and the detection signal output end of the second detector are combined through a combiner. The electric power monitoring system further comprises a communication device. A signal output from the output end of the combiner is emitted out in a wireless mode through the communication device. By mean of the good design of the combiner, output signals of the two electric power detection devices are combined, the electric field interference resistance is high, and low-cost electric power detection is achieved.
Description
Technical field
The present invention relates to a kind of electric detection system.
Background technology
Checkout equipment has a lot, such as: application number 200910079341.1; Or 201210588104.X etc., but often find, each electric detection system is only understood for one group of emitter, namely one to one; Reason is, electric power testing environment is very complicated, and launching if want to save after cost adopts two checkout equipment Lai He roads, very high to mixer requirement, need by electric property such as, phase difference and return loss control in excellent; And, wherein mixer affects to prevent electric power electric field environment as far as possible, should be input signal and output signal in the same side, therefore develop and aly can realize input and output and can be located at homonymy Novel combiner and can be the problem place solving the unification of communication system multichannel by the mixer that phase difference and return loss control in excellent.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, a kind of electric detection system is provided.
For achieving the above object, concrete scheme of the present invention is as follows: a kind of electric detection system, includes the first detector and the second detector, and the detection signal output of described first detector and the second detector all closes road by a mixer; Also include a communication equipment, the signal that the output of described mixer exports is launched wirelessly by communication equipment.
Wherein, described mixer include the first conjunction road dish and for first close road coil carry out being coupled second close road and coil;
Described first closes road dish includes annular arm, and also include the Zi He road sheet of the setting multiple triangular in shape that annularly arm is provided with, every height closes the center of circle of an angle towards annular arm of road sheet; Distance between often adjacent Liang Gezihe road sheet is all identical; Each described Zi He road sheet is provided with a banded dead slot near the side at annular arm center; The Zi He road sheet of top has extended upward first input end, and the Zi He road sheet of below is extended with the first output downwards;
Institute second closes road dish and includes disk arm, and the edge of described disk arm extends outward multiple banded arm matched with banded dead slot respectively, and the free end of banded arm is provided with one section of arc coupling arm; The left and right sides of described disk arm is all extended connecting rod, and the free end of left-side connecting bar is provided with the second input, and the free end of right-side connecting bar is provided with the second output;
The radius of described disk arm is greater than the minimum range in the center of circle of Zi He road sheet and annular arm; Described connecting rod is provided with the first via hole, and described annular arm is provided with second via hole corresponding with the first via hole; Also include and close road dish by first and close road and coil with second the card column be arranged in parallel, described card column is arranged in the first via hole and the second via hole.
Wherein, the two ends of described banded dead slot are arc.
Wherein, the number of described Zi He road sheet is six.
Wherein, the number of described Zi He road sheet is six.
Wherein, the diameter of described annular arm is 8cm-10cm.
Wherein, the diameter of described disk arm is 5cm-7cm.
Wherein, described Zi He road sheet is equilateral triangle, described Zi He road sheet be turned into L, the diameter of described disk arm is N, described L=N*0.759.
Wherein, the center of described disk arm is also provided with a circular hole;
Wherein, described disk arm is also provided with two T-slots be centrosymmetric;
Wherein, also include the first filter, described first filter is connected between the first detector and mixer; Also include the second filter, described second filter is connected between the second detector and mixer; Also include total filter, described total filter is connected between the output of mixer and communication equipment.
Beneficial effect of the present invention is: by the design of excellent mixer, achieve and the output signal of two groups of electric power checkout equipments is carried out conjunction road, anti-electric jamming is strong, and the electric power achieving low cost detects.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention;
Fig. 2 is the of the present invention first vertical view closing road dish;
Fig. 3 is the of the present invention second vertical view closing road dish;
Vertical view when Fig. 4 is mixer of the present invention merging;
Sectional view when Fig. 5 is mixer of the present invention merging;
Fig. 6 is the resolution chart of the phase difference when testing in working band between S21 and S31 two paths of the present invention.
Fig. 7 be the present invention in frequency range, the return loss resolution chart of each port;
Description of reference numerals in Fig. 1 to Fig. 7:
A-first detector; B-second detector; C-mixer; E1-first filter; E2-second filter; The total filter of e3-; D-communication equipment;
1-first closes road dish; 11-annular arm; 12-Zi He road sheet; The banded dead slot of 13-; 14-second via hole; 15-first input end; 16-first output;
2-second closes road dish; 21-disk arm; The banded arm of 22-; 23-arc coupling arm; 24-connecting rod; 25-first via hole; 26-second input; 27-second output; 28-T shape groove; 29-circular hole;
3-card column.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not practical range of the present invention is confined to this.
As shown in Figures 1 to 7, a kind of electric detection system described in the present embodiment, includes the first detector a and the second detector b, and the detection signal output of described first detector a and the second detector b all closes road by a mixer c; Also include a communication equipment d, the signal that the output of described mixer c exports is launched wirelessly by communication equipment d.The method is simple and reliable, can save the communication resource, improves detection efficiency.
Wherein, described mixer c include the first conjunction road dish 1 and for first close road coil 1 carry out being coupled second close road and coil 2; Described first closes road dish 1 includes annular arm 11, and also include the Zi He road sheet 12 of the setting multiple triangular in shape that annularly arm 11 is provided with, every height closes the center of circle of an angle towards annular arm 11 of road sheet 12; Distance between often adjacent Liang Gezihe road sheet 12 is all identical; Each described Zi He road sheet 12 is provided with a banded dead slot 13 near the side at annular arm 11 center; The Zi He road sheet 12 of top has extended upward first input end 15, and the Zi He road sheet 12 of below is extended with the first output 16 downwards; Institute second closes road dish 2 and includes disk arm 21, and the edge of described disk arm 21 extends outward multiple banded arm 22 matched with banded dead slot 13 respectively, and the free end of banded arm 22 is provided with one section of arc coupling arm 23; The left and right sides of described disk arm 21 is all extended connecting rod 24, and the free end of left-side connecting bar 24 is provided with the second input 26, and the free end of right-side connecting bar 24 is provided with the second output 27; The radius of described disk arm 21 is greater than the minimum range in the center of circle of Zi He road sheet 12 and annular arm 11; Described connecting rod 24 is provided with the first via hole 25, and described annular arm 11 is provided with second via hole 14 corresponding with the first via hole 25; Also include and close road dish 1 and second by first and close road and coil 2 card columns be arranged in parallel 3, described card column 3 is arranged in the first via hole 25 and the second via hole 14.The mixer c of this kind of design, through more than 500 times experiments and analog simulation, finally determine this planform, by the actual test of final network analyzer, the phase difference of its input and output at 90 degree, partially value be no more than ± 3 degree, as described in Figure 6, phase difference in working band between S21 and S31 two paths is less than 3 °, and its amplitude balance is about 0.02dB.Return loss, as described in Figure 7.In 450MHz frequency range, the return loss of each port is all below-30dB, and namely standing-wave ratio VSWR is less than 1.1, namely show, the electric bridge of this structure not only achieves the mixer c scheme of small size, and has the electric property that communicates preferably, meets the major parameter requirement of 450M frequency; And the conventional frequency scope being electric power checkout equipment of 450M frequency, therefore, the electric property of this structure mixer c and structure all meet two electric power checkout equipments to unite two into one carries out signal transmission, greatly provides cost savings and also improves reliability.
A kind of electric detection system described in the present embodiment, the two ends of described banded dead slot 13 are arc.A kind of electric detection system described in the present embodiment, the number of described Zi He road sheet 12 is six; A kind of electric detection system described in the present embodiment, the number of described Zi He road sheet 12 is six.This structure and quantity are the optimal values and quantity that find in actual test, and this numerical value and quantity all have obvious lifting to properties.
A kind of electric detection system described in the present embodiment, the diameter of described annular arm 11 is 8cm-10cm.A kind of electric detection system described in the present embodiment, the diameter of described disk arm 21 is 5cm-7cm.Find in the middle of reality test, during this angular range value, the phase difference of its input of this mixer c and output is highly stable at about 90 degree, and inclined value is no more than ± and 3 degree.Increase electric power the reliability of systems axiol-ogy further.
A kind of electric detection system described in the present embodiment, the center of described disk arm 21 is also provided with a circular hole 29; Can effectively increase isolation of the present invention, its isolation, in the middle of reality test, reaches below-30dB.
A kind of electric detection system described in the present embodiment, described disk arm 21 is also provided with two T-slots be centrosymmetric 28; It can improve the degree of coupling further, Loss reducing.
A kind of electric detection system described in the present embodiment, described Zi He road sheet 12 is equilateral triangle, described Zi He road sheet 12 be turned into L, the diameter of described disk arm 21 is N, described L=N*0.759.When optimum configurations becomes these data, its effect is more excellent, and the degree of coupling is higher, and Loss reducing clearly.
A kind of electric detection system described in the present embodiment, also includes the first filter e1, and described first filter e1 is connected between the first detector a and mixer c; Also include the second filter e2, described second filter e2 is connected between the second detector b and mixer c; Also include total filter, described total filter is connected between the output of mixer c and communication equipment d; Three filters have all possessed removal clutter, improve coupling accuracy, improve system dependability.
The above is only a preferred embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in the protection range of patent application of the present invention.
Claims (8)
1. an electric detection system, is characterized in that: include the first detector (a) and the second detector (b), and described first detector (a) all closes road by a mixer (c) with the detection signal output of the second detector (b); Also include a communication equipment (d), the signal that the output of described mixer (c) exports is launched wirelessly by communication equipment (d);
Also include the first filter (e1), described first filter (e1) is connected between the first detector (a) and mixer (c).
2. a kind of electric detection system according to claim 1, is characterized in that: described mixer (c) include the first conjunction road dish (1) and for first close that road coils that (1) carry out being coupled second close road and coil (2);
Described first closes road dish (1) includes annular arm (11), and also include Zi He road sheet (12) of the setting multiple triangular in shape that annularly arm (11) is provided with, every height closes the center of circle of an angle towards annular arm (11) on road sheet (12); Distance between often adjacent Liang Gezihe road sheet (12) is all identical; Each described Zi He road sheet (12) is provided with a banded dead slot (13) near the side at annular arm (11) center; Zi He road sheet (12) of top has extended upward first input end (15), and Zi He road sheet (12) of below is extended with the first output (16) downwards;
Institute second closes road dish (2) and includes disk arm (21), the edge of described disk arm (21) extends outward multiple banded arm (22) matched with banded dead slot (13) respectively, and the free end of banded arm (22) is provided with one section of arc coupling arm (23); The left and right sides of described disk arm (21) is all extended connecting rod (24), and the free end of left-side connecting bar (24) is provided with the second input (26), and the free end of right-side connecting bar (24) is provided with the second output (27);
The radius of described disk arm (21) is greater than the minimum range in the center of circle of Zi He road sheet (12) and annular arm (11); Described connecting rod (24) is provided with the first via hole (25), and described annular arm (11) is provided with second via hole (14) corresponding with the first via hole (25); Also include and to close road dish (1) and second by first and close road and coil the card column (3) that (2) be arranged in parallel, described card column (3) is arranged in the first via hole (25) and the second via hole (14).
3. a kind of electric detection system according to claim 2, is characterized in that: the two ends of described banded dead slot (13) are arc.
4. a kind of electric detection system according to claim 2, is characterized in that: the number of described Zi He road sheet (12) is six.
5. a kind of electric detection system according to claim 2, is characterized in that: the number of described Zi He road sheet (12) is six.
6. a kind of electric detection system according to claim 2, is characterized in that: the diameter of described annular arm (11) is 8cm-10cm.
7. a kind of electric detection system according to claim 2, is characterized in that: the diameter of described disk arm (21) is 5cm-7cm.
8. a kind of electric detection system according to claim 2, is characterized in that: described Zi He road sheet (12) is equilateral triangle, described Zi He road sheet (12) be turned into L, the diameter of described disk arm (21) is N, described L=N*0.759.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610067757.1A CN105514548A (en) | 2016-02-01 | 2016-02-01 | Electric power monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610067757.1A CN105514548A (en) | 2016-02-01 | 2016-02-01 | Electric power monitoring system |
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| Publication Number | Publication Date |
|---|---|
| CN105514548A true CN105514548A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610067757.1A Pending CN105514548A (en) | 2016-02-01 | 2016-02-01 | Electric power monitoring system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009021824A (en) * | 2007-07-12 | 2009-01-29 | Mitsubishi Electric Corp | Directional coupler |
| CN201409208Y (en) * | 2009-05-06 | 2010-02-17 | 桂林南方通信设备工程公司 | Multi-way microwave transmission device of digital television |
| CN101825667A (en) * | 2009-03-06 | 2010-09-08 | 华北电力科学研究院有限责任公司 | Failure detecting equipment of power communication transmission channel, failure detecting system and method |
| CN103904401A (en) * | 2014-04-08 | 2014-07-02 | 钟小茹 | Same-frequency combiner of 3dB electrical bridge with trapezoid separation rod |
-
2016
- 2016-02-01 CN CN201610067757.1A patent/CN105514548A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009021824A (en) * | 2007-07-12 | 2009-01-29 | Mitsubishi Electric Corp | Directional coupler |
| CN101825667A (en) * | 2009-03-06 | 2010-09-08 | 华北电力科学研究院有限责任公司 | Failure detecting equipment of power communication transmission channel, failure detecting system and method |
| CN201409208Y (en) * | 2009-05-06 | 2010-02-17 | 桂林南方通信设备工程公司 | Multi-way microwave transmission device of digital television |
| CN103904401A (en) * | 2014-04-08 | 2014-07-02 | 钟小茹 | Same-frequency combiner of 3dB electrical bridge with trapezoid separation rod |
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Application publication date: 20160420 |
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