A kind of high voltage generating station detection means being provided with rotating speed detector
Technical field
The present invention relates to a kind of high voltage generating station detection means being provided with rotating speed detector.
Background technology
Power cable and transformer station play an important role in distribution network construction, and it is monitored with reliability and the power supply quality that direct relation power supply.Cable run supervising device includes line information detection means and data acquisition unit, detection means is directly and cable linear contact lay, the analogue signal amounts such as the electric current in detection cable, voltage, then monitoring information is sent to harvester by wired or wireless data communication by digital encoding scheme by detection means CPU, and harvester CPU passes through to decode the information such as the electric current obtaining in cable, voltage.Generally, harvester and the data communication of detection means can be divided into two kinds according to communication mode:Wired communication mode and communication;Wherein, wireless mode is easily affected by site environment, and such as the signal interference at scene, the signal of communication are easily shielded;Detection key element on power cable and transformer station is a lot, when temperature is too high, needs detector prevention of problem fire to occur;In addition there is excellent radio communication again, because being previously mentioned wireless mode is easily affected by site environment, signal as live signal interference, communication is easily shielded, and be also easy to be disturbed by electric field, the therefore interior antenna setting needs there is preferable antenna performance, anti-shielding is also anti-interference, and directivity also will be got well.
Content of the invention
It is an object of the invention to overcoming disadvantages described above, provide a kind of high voltage generating station detection means being provided with rotating speed detector.
For achieving the above object, the concrete scheme of the present invention is as follows:A kind of high voltage generating station detection means being provided with rotating speed detector, include disc base, described disc base is provided with boss, described boss is provided with motor, the clutch end of described motor is provided with detection platform, described detection platform top surface is provided with multiple test sides of the arc length such as circle setting, is provided with circuit and shelves post, described circuit is shelved column top and is provided with antenna box in the middle of described detection platform;Also include heat source temperature detector and electric field intensity detector;Described heat source temperature detector and electric field intensity detector are respectively arranged in test side;Also include processor, alarm device, communicator;Described heat source temperature detector, electric field intensity detector, alarm device, communicator are connected with processor signal respectively;Described communicator includes communication antenna, and described communication antenna is in antenna box.
Wherein, described communication antenna includes circular pcb board, and described pcb board front is provided with the first oscillator arms of arc, also includes the second oscillator arms of the second arc, and the radius of described second oscillator arms is less than the radius of the first oscillator arms;The arc length of described first oscillator arms is more than the arc length of the second oscillator arms;, towards the second oscillator arms, the opening of described second oscillator arms is towards the first oscillator arms for the opening of described first oscillator arms;
The arched arm of described first oscillator arms has extended centrally out the first linking arm, described first linking arm free end is transversely provided with the first radiation arm, also include the second radiation arm that is parallel with the first radiation arm and being shorter in length than the first radiation arm, also include the 3rd radiation arm that is parallel with the second radiation arm and being shorter in length than the second radiation arm, also include the 4th radiation arm that is parallel with the 3rd radiation arm and being shorter in length than the 3rd radiation arm;
The arched arm of described second oscillator arms has extended centrally out the second linking arm, described second linking arm free end is transversely provided with the 5th radiation arm, also include the 6th radiation arm that is parallel with the 5th radiation arm and being shorter in length than the 5th radiation arm, also include the 7th radiation arm that is parallel with the 6th radiation arm and being shorter in length than the 6th radiation arm, also include the 8th radiation arm that is parallel with the 7th radiation arm and being shorter in length than the 7th radiation arm;
Also include arc and nock direction the first oscillator arms the 3rd oscillator arms, described 3rd oscillator arms are connected by feeder pillar with the first oscillator;Described 3rd oscillator arms extend internally out the 4th trapezoidal oscillator arms, and the top margin of described 4th oscillator arms is provided with multiple semi-circular indentation;
Also include arc and nock direction the first oscillator arms the 5th oscillator arms, described 5th oscillator arms are connected by feeder pillar with the second oscillator;Described 5th oscillator arms extend internally out the 6th trapezoidal oscillator arms, and the top margin of described 6th oscillator arms is provided with multiple semi-circular indentation;
The back side of described pcb board be provided with two respectively with the first oscillator arms and the corresponding power feed hole of the second oscillator arms.
Wherein, the arc length of described 3rd oscillator arms is identical with the arc length of the 5th oscillator arms;If the arc length of the 3rd oscillator arms is L3, the arc length of the first oscillator arms is L1, and the arc length of the second oscillator arms is L2, described L1=L2+0.25L3.
Wherein, the outside of described 4th radiation arm is zigzag, and the outside of described 8th radiation arm is zigzag.
Wherein, it is additionally provided with the parasitic oscillator piece of a circle in described second oscillator arms.
Wherein, it is additionally provided with a division board in described antenna box, on division board, the distance between division board and communication antenna are more than 2cm to described communication antenna.
Wherein, described division board is a circular metal plate, and described division board is evenly arranged with multiple hexagon through holes.
Wherein, test side quantity is four.
Wherein, the periphery of described pcb board is provided with a circle shielding ring.
Wherein, also include the rotating speed detector pillar on disc base, the free end of described rotating speed detector pillar is not less than described detection platform top surface, it is provided with the rotating speed detector for detecting described detection platform rotating speed, described rotating speed detector is connected with processor signal in described rotating speed detector pillar;
Wherein, described disc base is magnetic disk understructure, also includes fixture, described fixture includes the fixed block that is magnetic, described magnetic fixed block is provided with a U-clamp groove, described U-clamp groove is provided with fastening screw.
Wherein, described antenna box top is taper.
Beneficial effects of the present invention are:Every detector also can rotate with to detect, the accuracy of detection and comprehensive so can be effectively ensured, heat source temperature detector is used for detecting its temperature anomaly rising condition to prevent danger on fire, electric field intensity detector is used for detecting electric field intensity change, the interim enhancing of voltage caused when short-circuit allows it to be relatively easy to detect, in addition, the high electrical property of antenna, provide powerful guarantee for this device detection accuracy.
Brief description
Fig. 1 is the theory diagram of the present invention;
Fig. 2 is the left view of the present invention;
Fig. 3 is the axonometric chart of the present invention;
Fig. 4 is the top view of the communication antenna of the present invention;
Fig. 5 is the upward view of the communication antenna of the present invention;
Fig. 6 is the structural representation of the division board of the present invention;
Fig. 7 is that communication antenna and the separator of the present invention do not conform to the frequency range emulation testing figure of timing;
Fig. 8 is the frequency range emulation testing figure with separator conjunction timing for the communication antenna of the present invention;
Fig. 9 is the directional diagram of the communication antenna of the present invention;
Description of reference numerals in Fig. 1 to Fig. 9:1- disc base;2- motor;3- detection platform;4- antenna box;5- test side;6- magnetic fixed block;7-U clevis groove;8- rotating speed detector pillar;
90-PCB plate;95- division board;
911- first oscillator arms;912- second oscillator arms;913- the 3rd oscillator arms;914- the 4th oscillator arms;915- the 5th oscillator arms;916- the 6th oscillator arms;
921- first linking arm;922- second linking arm;
931- first radiation arm;932- second radiation arm;933- the 3rd radiation arm;934- the 4th radiation arm;935- the 5th radiation arm;936- the 6th radiation arm;937- the 7th radiation arm;938- the 8th radiation arm;
941- parasitism oscillator piece;942- power feed hole;
951- through hole.
Specific embodiment
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings, is not that the practical range of the present invention is confined to this.
As shown in Figures 1 to 9, a kind of high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, include disc base 1, described disc base 1 is provided with boss, described boss is provided with motor 2, and the clutch end of described motor 2 is provided with detection platform 3, and described detection platform 3 top surface is provided with multiple test sides 5 of the arc length such as circle setting, it is provided with circuit in the middle of described detection platform 3 and shelves post, described circuit is shelved column top and is provided with antenna box 4;Also include heat source temperature detector and electric field intensity detector;Described heat source temperature detector and electric field intensity detector are respectively arranged in test side 5;Also include processor, alarm device, communicator;Described heat source temperature detector, electric field intensity detector, alarm device, communicator are connected with processor signal respectively;Described communicator includes communication antenna, and described communication antenna is in antenna box 4.Specifically.Motor 2 drives monitoring platform rotation, therefore, its every detector also can rotate with to detect, the accuracy of detection and comprehensive so can be effectively ensured, wherein, heat source temperature detector is used for detecting its temperature anomaly rising condition to prevent danger on fire, and electric field intensity detector is used for detecting electric field intensity change, and interim enhancing of the voltage causing when short-circuit allows it to be relatively easy to detect., in antenna box 4, antenna box 4 is because direction is outer, hence in so that communication antenna can preferably communicate for described communication antenna;In addition, multiple test sides 5 are detachably connected with described detection platform 3, do effective preparation for being convenient for changing detector later.
Due to the electric field intensity of transformer station or Exterior cable larger it is therefore desirable to communication antenna possesses wider frequency range and preferable isolation, and directivity optimizes better and better.
Therefore, a kind of specific high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, described communication antenna includes circular pcb board 90, described pcb board 90 front is provided with the first oscillator arms 911 of arc, also include the second oscillator arms 912 of the second arc, the radius of described second oscillator arms 912 is less than the radius of the first oscillator arms 911;The arc length of described first oscillator arms 911 is more than the arc length of the second oscillator arms 912;, towards the second oscillator arms 912, the opening of described second oscillator arms 912 is towards the first oscillator arms 911 for the opening of described first oscillator arms 911;The arched arm of described first oscillator arms 911 has extended centrally out the first linking arm 921, described first linking arm 921 free end is transversely provided with the first radiation arm 931, also include and the first radiation arm 931 the second radiation arm 932 that is parallel and being shorter in length than the first radiation arm 931, also include and the second radiation arm 932 the 3rd radiation arm 933 that is parallel and being shorter in length than the second radiation arm 932, also include and the 3rd radiation arm 933 the 4th radiation arm 934 that is parallel and being shorter in length than the 3rd radiation arm 933;The arched arm of described second oscillator arms 912 has extended centrally out the second linking arm 922, described second linking arm 922 free end is transversely provided with the 5th radiation arm 935, also include and the 5th radiation arm 935 the 6th radiation arm 936 that is parallel and being shorter in length than the 5th radiation arm 935, also include and the 6th radiation arm 936 the 7th radiation arm 937 that is parallel and being shorter in length than the 6th radiation arm 936, also include and the 7th radiation arm 937 the 8th radiation arm 938 that is parallel and being shorter in length than the 7th radiation arm 937;Also include arc and nock direction the first oscillator arms 911 the 3rd oscillator arms 913, described 3rd oscillator arms 913 are connected by feeder pillar with the first oscillator;Described 3rd oscillator arms 913 extend internally out the 4th trapezoidal oscillator arms 914, and the top margin of described 4th oscillator arms 914 is provided with multiple semi-circular indentation;Also include arc and nock direction the first oscillator arms 911 the 5th oscillator arms 915, described 5th oscillator arms 915 are connected by feeder pillar with the second oscillator;Described 5th oscillator arms 915 extend internally out the 6th trapezoidal oscillator arms 916, and the top margin of described 6th oscillator arms 916 is provided with multiple semi-circular indentation;The back side of described pcb board 90 be provided with two respectively with the first oscillator arms 911 and the corresponding power feed hole 942 of the second oscillator arms 912.By the microstrip circuit structure design not less than 550 times, and by being not less than under 500 l-G simulation tests and parameter adjustment, finally determine above-mentioned antenna structure and matched division board 95 structure, this antenna possesses wider frequency range and preferable isolation and directivity and gain performance when coordinating with division board 95, comply fully with use requirement, improve its communication performance.
A kind of high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, is additionally provided with a division board 95 in described antenna box 4, on division board 95, the distance between division board 95 and communication antenna are more than 2cm to described communication antenna.A kind of high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, described division board 95 is a circular metal plate, and described division board 95 is evenly arranged with multiple hexagon through holes 951.Especially when removing this structural insulated panel 95 or placement common metal division board 95, such as Fig. 7, this beamwidth of antenna available frequency range is still up to 1.7GHz to 2.65GHz;Substantially meet the requirement of communications band, its gain is also higher, in frequency band, average gain is more than 8.952dBi;Meet actually used needs.The design of this shape division board 95 is also to be drawn by emulation and continuous EXPERIMENTAL DESIGN, wherein, include screw stereo antenna when this division board 95 is placed the cooperation of other prior art antennas, its matching is not high, and isolation performance strengthens inconspicuous, when testing ordinary antennas, this division board 95 in cooperation, average gain increases 0.01-0.15dBi or does not increase, and isolation performance is constant, and frequency range no changes.And can learn in the emulation before actual test with test, the test when the communication antenna in this programme and division board 95 cooperation of this programme, the bandwidth of the communication antenna of this programme, isolation, gain aspect all exceed Antenna Design when being not added with division board 95, the simulation value such as Fig. 8 after wherein coordinating.This integrated antenna system bandwidth available frequency range has reached 1.6GHz to 2.85GHz;Its gain also substantially increases, and in frequency band, average gain is more than 9.4dBi, compares rising 0.3dBi;If isolation in its isolation figure frequency band other, isolation performance is preferable, such as Fig. 8, and in S3 it can be seen that in frequency range, isolation is more than 25.5dB.Its directivity, as described in Figure 9, it is omni-directional antenna.
Embodiment 2.
The arc length of described 3rd oscillator arms 913 is identical with the arc length of the 5th oscillator arms 915;If the arc length of the 3rd oscillator arms 913 is L3, the arc length of the first oscillator arms 911 is L1, and the arc length of the second oscillator arms 912 is L2, described L1=L2+0.25L3.After setting above-mentioned parameter limits, find, its gain is more stable, and isolation is also maintained at higher level by many experiments and emulation.Above-mentioned parameter draws in continuous test and adjustment, and it is the most stable and optimal design parameter of performance, and concrete actual test knot HFSS15 computed in software show, this total system beamwidth of antenna available frequency range is in 1.6GHz to 2.8GHz internal frequency modulation;In frequency band, average gain is more than 9.35dBi, and impedance reduces;In frequency range, isolation is more than 26dB;Actual test finds, the change of external environment, such as temperature, magnetic field impact change within the specific limits, amplitude of variation about 10 degree for the such as temperature, during using above-mentioned parameter and special value, its stability is very strong, and frequency range conservation degree is preferable.
A kind of high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, the outside of described 4th radiation arm 934 is zigzag, and the outside of described 8th radiation arm 938 is zigzag.Setting sawtooth can be effectively increased isolation.
A kind of high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, is additionally provided with the parasitic oscillator piece 941 of a circle in described second oscillator arms 912, have obvious help to gain improving.
A kind of high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, test side 5 quantity is four.A kind of high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, the periphery of described pcb board 90 is provided with a circle shielding ring.Its isolation of this structure is more.
A kind of high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, also include the rotating speed detector pillar 8 on disc base 1, the free end of described rotating speed detector pillar 8 is not less than described detection platform 3 top surface, it is provided with the rotating speed detector for detecting described detection platform 3 rotating speed, described rotating speed detector is connected with processor signal in described rotating speed detector pillar 8;Rotating speed detector can effectively detect tach signal, provide rotary speed parameter for processor, prevent the error of other detection informations.
Described antenna box 4 top surface is taper;Taper can prevent antenna box 4 top surface from having rainwater, interference communication.
A kind of high voltage generating station detection means being provided with rotating speed detector described in the present embodiment, described disc base 1 is magnetic disk base 1 structure, also include fixture, described fixture includes the fixed block 6 that is magnetic, described magnetic fixed block 6 is provided with a U-clamp groove 7, and described U-clamp groove 7 is provided with fastening screw.Magnetic fixed block 6 and magnetic disk magnetic connect, and U-clamp groove 7 can easily this device be installed on cable or transformer station.
The above is only a preferred embodiment of the present invention, therefore the equivalence changes done of the construction described in all scopes according to present patent application, feature and principle or modification, it is included in the protection domain of present patent application.