CN105098346A - Ultra-high voltage power distribution cabinet capable of being monitored - Google Patents

Abstract

The invention discloses an ultra-high voltage power distribution cabinet capable of being monitored. The ultra-high voltage power distribution cabinet comprises a box body, wherein a plurality of power distribution racks for placing power distribution equipment are transversely arranged in the box body; a first isolating plate is arranged above the power distribution racks; a communication system which is used for communicating with the outside is arranged on the first isolating plate; the communication system comprises a communicator device and a communication antenna; the communicator device communicates with the outside by virtue of the communication antenna; the communication antenna is arranged on an antenna plate; the antenna plate is arranged above the first isolating plate; a second isolating plate is arranged above the antenna plate; and the antenna is combined with the isolating plates, so that the requirements of the omnidirectivity, the gain and relatively good electrical properties required by the front-to-back ratio are realized; and auxiliary equipment is arranged to improve the antenna anti-interference capability for the best.

Description

One can monitor superhigh pressure power distribution cabinet

Technical field

The present invention relates to one and can monitor superhigh pressure power distribution cabinet.

Background technology

Internet era, people parent looks at and adds communication system by various equipment, to facilitate real time remote scope state and information, prevents device damage; And communication just be unable to do without the communication antenna making signal transmit and receive; The case arranging communication equipment so far on high voltage power distributing cabinet or distribution box is less, because there is a unavoidable factor, is exactly that the electric field of power distribution cabinet can affect the emission parameter of antenna, gain and omni-directional; And if need to work under strong electric field as antenna, this has good performance in directional performance just to need this antenna; Current main flow devices communicating Antenna Operation is good in 700-1000MHz frequency range, therefore in this frequency range, it is very urgent for designing a system antenna being applicable to the high-tension distribution equipments such as power distribution cabinet, need the electric property of antenna, i.e. emitting performance, such as its omni-directional and gain and front and back require good electric property than all, and preferably have auxiliary equipment to improve Antenna Anti-jamming ability.

Summary of the invention

The object of the invention is to overcome above-described shortcoming, the use that a kind of antijamming capability is strong, antenna that is that reveal better premium properties at 700-1000MHz band table realizes monitoring superhigh pressure power distribution cabinet is provided.

For achieving the above object, concrete scheme of the present invention is as follows: can monitor superhigh pressure power distribution cabinet, include casing, in described casing, transverse row shows multiple power frame for placing distribution equipment, be provided with the first division board above described power frame, described first division board is provided with for the communication system with extraneous communication;

Described communication system includes communicator device and communication antenna, and described communicator device utilizes communication antenna to communicate with the external world; Described communication antenna is located in antenna plate, and described antenna plate is located at above the first division board; The second division board is provided with above described antenna plate.

Wherein, described antenna plate is pcb board, and described communication antenna is microstrip antenna.

Wherein, microstrip antenna includes two laterally zygomorphic oscillator unit; Each oscillator unit includes the first rectangular oscillator arms, described first oscillator arms one end is extended with the second oscillator arms in " Qian " font, be provided with the 3rd oscillator arms of a rhombus between the free end of two support arms of the second oscillator arms, described 3rd oscillator arms be wherein provided with many articles of the 4th oscillator arms parallel to each other between two opposite side; The isolation oscillator arms in square waveform is also provided with between two support arms of the second oscillator arms;

Described isolation oscillator arms includes many group and raises one's arm; Each described son is raised one's arm and is included base arm, described base arm side is connected with the second oscillator arms, also include the first side wall extended upward from the free end of base arm, also include the top arm extend horizontally away from the free end of the first side wall, described top arm is extended with the second sidewall downward vertically;

Be provided with the isolation strip of H-shaped between described two oscillator unit, described isolation strip is made up of semiconductor;

First division board is identical with the second partition plate structure, A face and B face are included, described A face is provided with multiple hemisphere protuberances of the arrangement in matrix, and described hemisphere protuberance end face is provided with arc-shaped recess to lower recess, and described arc-shaped recess bottom and A identity distance are from being 1cm-1.5cm; Described B face to be established and the multiple and hemisphere of the arrangement in matrix swells corresponding hemispherical depression; The hemisphere protuberance side in described A face is the perforate of opening with B face; Described first division board A towards upper, B faces down, be obliquely installed, the perforate of described hemispherical depression is obliquely downward; Described second division board B towards upper, A faces down, be horizontally disposed with.

Wherein, described each oscillator unit also includes two rectangular trapezoidal parasitic oscillator sheets, and each parasitic oscillator sheet top is provided with multiple semicircular indentations; Described the first side wall is identical with the second Sidewall Height and be set to H, and the transverse width of described base arm is set to L, and the transverse width of top arm is set to K, described K+H=1.25 (K+L).

Wherein, described antenna plate is provided with multiple circular louvre.

Wherein, two described first oscillator arms are provided with feed coupling aperture.

Wherein, the length of described 4th oscillator arms is 20cm.

Wherein, four free ends of isolation strip are circular arc.

Wherein, power frame is hollow out frame structure; The side, bottom of the first division board is also provided with drainage pipe, and described drainage pipe extends casing.

Wherein, the quantity of described semicircular indentations is 6-9; The diameter of described semicircular indentations is 0.3cm-0.5cm.

Wherein, also include for the dehumidifier of casing dehumidifier, described dehumidifier is connected with casing;

Wherein, described tank surface is coated with fireprotection layer, and described fireprotection layer is provided with Halogen coating;

Wherein, also including the hollowed-out board being located at power frame lower end, below described hollowed-out board, being provided with the fan for dispelling the heat.

Beneficial effect of the present invention is: antenna and division board are combined, and achieves its omni-directional and gain and front and back than the requirement all requiring good electric property, and preferably has auxiliary equipment to improve Antenna Anti-jamming ability.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention;

Fig. 2 is the vertical view of antenna plate of the present invention;

Fig. 3 is the profile of isolation oscillator arms of the present invention;

Fig. 4 is the stereogram of the first division board of the present invention;

Fig. 5 be when frequency is 700MHZ before and after the experimental data figure of ratio;

Fig. 6 be when frequency is 890MHZ before and after the experimental data figure of ratio;

Fig. 7 be when frequency is 1000MHZ before and after the experimental data figure of ratio;

Fig. 8 is the directional diagram representing gain when frequency is 700MHZ;

Fig. 9 is the directional diagram representing gain when frequency is 890MHZ;

Figure 10 is the directional diagram representing gain when frequency is 1000MHZ;

Description of reference numerals in Fig. 1 to Figure 10:

1-casing; 2-power frame; 3-hollowed-out board; 4-fan; 5-dehumidifier; 6-second division board; 7-drainage pipe; 8-first division board; 91-communicator device; 92-antenna plate;

921-first oscillator arms; 922-second oscillator arms; 923-the 3rd oscillator arms; 924-the 4th oscillator arms; 925-isolation strip; The parasitic oscillator sheet of 926-; 927-isolates oscillator arms;

927a-base arm; 927b-the first side wall; 927c-top arm; 927d-second sidewall;

A-A face; 61-hemisphere is swelled; 62-arc-shaped recess; 63-perforate.

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 10, monitored superhigh pressure power distribution cabinet described in the present embodiment, include casing 1, in described casing 1, transverse row shows multiple power frame 2 for placing distribution equipment, be provided with the first division board 8 above described power frame 2, described first division board 8 is provided with for the communication system with extraneous communication; Described communication system includes communicator device 91 and communication antenna, and described communicator device 91 utilizes communication antenna to communicate with the external world; Described communication antenna is located in antenna plate 92, and described antenna plate 92 is located at above the first division board 8; The second division board 6 is provided with above described antenna plate 92.

Monitored superhigh pressure power distribution cabinet described in the present embodiment, described antenna plate 92 is pcb board, and described communication antenna is microstrip antenna.Monitored superhigh pressure power distribution cabinet described in the present embodiment, microstrip antenna includes two laterally zygomorphic oscillator unit; Each oscillator unit includes the first rectangular oscillator arms 921, described first oscillator arms 921 one end is extended with the second oscillator arms 922 in " Qian " font, be provided with the 3rd oscillator arms 923 of a rhombus between the free end of two support arms of the second oscillator arms 922, described 3rd oscillator arms 923 be wherein provided with many articles of the 4th oscillator arms 924 parallel to each other between two opposite side; The isolation oscillator arms 927 in square waveform is also provided with between two support arms of the second oscillator arms 922; Described isolation oscillator arms 927 includes many group and raises one's arm; Each described son is raised one's arm and is included base arm 927a, described base arm 927a side is connected with the second oscillator arms 922, also include the first side wall 927b extended upward from the free end of base arm 927a, also include the top arm 927c extend horizontally away from the free end of the first side wall 927b, described top arm 927c is extended with the second sidewall 927d downward vertically; Be provided with the isolation strip 925 of H-shaped between described two oscillator unit, described isolation strip 925 is made up of semiconductor; First division board 8 is identical with the second division board 6 structure, A face and B face are included, described A face to be provided with in matrix multiple hemispheres protuberances 61 of arrangement, and described hemisphere is swelled 61 end faces and is provided with arc-shaped recess 62 to lower recess, and described arc-shaped recess 62 bottom and A identity distance are from being 1cm-1.5cm; Described B face to be established and the multiple and hemisphere of the arrangement in matrix swells 61 corresponding hemispherical depression; It is the perforate 63 of opening with B face that the hemisphere in described A face swells 61 sides; Described first division board 8A towards upper, B faces down, be obliquely installed, the perforate 63 of described hemispherical depression is obliquely downward; Described second division board 6B towards upper, A faces down, be horizontally disposed with.

By being not less than the microstrip circuit structural design of 300 times, and by be not less than 500 times test and parameter adjustment under, finally determine above-mentioned antenna structure, simulation strong electric field environment under and simulate electric field frequency hopping degree in 200-630HZ situation, this antenna system, comprise antenna and partition plate structure cooperation, this system is made all to show excellent communication electric parameter performance in 700MHZ to 1000MHZ frequency range, concrete, than being greater than 31dB before and after the minimum frequency of radiating element, before and after in frequency band, be greater than 35dB than on average; Low frequency dot gains is greater than 9.37dBi, and in frequency band, average gain is greater than 9.8dBi.

Concrete actual test result such as following table HFSS15 software calculates:

Test frequency range section	Ratio before and after in frequency band	Corresponding gain
			700MHz	31.222dB	9.4001dBi
750MHz	31.856dB	9.4216dBi
			850MHz	32.325dB	9.5352dBi
870MHz	32.687dB	9.6159dBi
			890MHz	33.987dB	9.7650dBi
910MHz	33.999dB	9.9321dBi
			920MHz	34.147dB	9.9225dBi
940MHz	35.236dB	9.9150dBi
			1000MHz	36.100dB	10.250dBi

Simulation strong electric field environment under and simulate electric field frequency hopping degree in 200-630HZ situation, from experimental data, specifically intercept the gain data figure of front and back than datagram and three frequency ranges of three frequency ranges, as Fig. 5 to Figure 10, achieve excellent front and back specific characteristic at 700MHz to 1000MHz

Wherein, when 700MHz, as Fig. 5, than being 31.222dB before and after in its frequency band; When 890MHz, as Fig. 6, than being 33.987dB before and after in its frequency band; When 1000MHz, as Fig. 7, than being 36.100dB before and after in its frequency band; And the performance in gain: as Fig. 8, it is when 700MHz, and its gain reaches: 9.4001dBi; As Fig. 9, it is when 890MHz, and its gain reaches: 9.7650dBi; As Figure 10, it is when 1000MHz, and its gain reaches: 10.250dBi; Can learn, than being greater than 33dB before and after in it is average, its gain is on average greater than 9.8dBi.Coordinate two division boards, under another day, line met highfield, to the instructions for use of 700MHz to 1000MHz frequency range, stable performance; After cooperation division board uses, prove that it does not disturb by highfield substantially.

The side, bottom of the first division board 8 is also provided with drainage pipe 7, and described drainage pipe 7 extends casing 1, the first division board 8A described above towards upper, B faces down, be obliquely installed, the perforate 63 of described hemispherical depression is obliquely downward; This vibrational power flow not only serves isolation, shielding action, also serves waterproof action, and concrete rainwater drops to the A face on the first division board 8, flow through, and perforate 63 direction is downward from high-end to bottom, and therefore water can not fall.And the side, bottom of the first division board 8 is also provided with drainage pipe 7, therefore rainwater can discharge and not affect antenna.

Embodiment 2.

Monitored superhigh pressure power distribution cabinet described in the present embodiment, described each oscillator unit also includes two rectangular trapezoidal parasitic oscillator sheets 926, and each parasitic oscillator sheet 926 top is provided with multiple semicircular indentations; Described the first side wall 927b is highly identical with the second sidewall 927d and be set to H, and the transverse width of described base arm 927a is set to L, and the transverse width of top arm 927c is set to K, described K+H=1.25 (K+L).Simulation strong electric field environment under and simulate electric field frequency hopping degree in 200-630HZ situation, this antenna system, after comprising antenna and partition plate structure cooperation, under proving the structure of coincidence formula K+H=1.25 (K+L), this antenna performance can be more stable, directivity also can be more even, and isolation also can be higher, and gain also makes moderate progress.

Monitored superhigh pressure power distribution cabinet described in the present embodiment, two described first oscillator arms 921 are provided with feed coupling aperture.Monitored superhigh pressure power distribution cabinet described in the present embodiment, the length of described 4th oscillator arms 924 is 20cm.Monitored superhigh pressure power distribution cabinet described in the present embodiment, four free ends of isolation strip 925 are circular arc.Emulation and actual measurement are learnt by experiment, and this structure increases further, the electric property of antenna system.

Monitored superhigh pressure power distribution cabinet described in the present embodiment, power frame 2 is hollow out frame structure; Monitored superhigh pressure power distribution cabinet described in the present embodiment, the quantity of described semicircular indentations is 6-9; The diameter of described semicircular indentations is 0.3cm-0.5cm.

Monitored superhigh pressure power distribution cabinet described in the present embodiment, described antenna plate 92 is provided with multiple circular louvre, and it is beneficial to the heat radiation of antenna plate 92.Monitored superhigh pressure power distribution cabinet described in the present embodiment, also include for the dehumidifier 5 of casing 1 dehumidifier, described dehumidifier 5 is connected with casing 1, improves casing 1 inner drying degree, prevents moisture corrosion antenna equipment; Monitored superhigh pressure power distribution cabinet described in the present embodiment, described casing 1 surface is coated with fireprotection layer, and described fireprotection layer is provided with Halogen coating; Monitored superhigh pressure power distribution cabinet described in the present embodiment, also includes the hollowed-out board 3 being located at power frame 2 lower end, is provided with the fan 4 for dispelling the heat below described hollowed-out board 3.

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 (10)

1. can monitor superhigh pressure power distribution cabinet for one kind, it is characterized in that: include casing (1), described casing (1) interior transverse row shows multiple power frame (2) for placing distribution equipment, described power frame (2) top is provided with the first division board (8), and described first division board (8) is provided with for the communication system with extraneous communication;

Described communication system includes communicator device (91) and communication antenna, and described communicator device (91) utilizes communication antenna to communicate with the external world; Described communication antenna is located in antenna plate (92), and described antenna plate (92) is located at the first division board (8) top; Described antenna plate (92) top is provided with the second division board (6);

Also include for the dehumidifier (5) of casing (1) dehumidifier, described dehumidifier (5) is connected with casing (1);

Described casing (1) surface is coated with fireprotection layer, and described fireprotection layer is provided with Halogen coating;

Also include the hollowed-out board (3) being located at power frame (2) lower end, described hollowed-out board (3) below is provided with the fan (4) for dispelling the heat.

2. one according to claim 1 can monitor superhigh pressure power distribution cabinet, it is characterized in that: described antenna plate (92) is pcb board, and described communication antenna is microstrip antenna.

3. one according to claim 2 can monitor superhigh pressure power distribution cabinet, it is characterized in that: microstrip antenna includes two laterally zygomorphic oscillator unit; Each oscillator unit includes rectangular the first oscillator arms (921), described first oscillator arms (921) one end is extended with the second oscillator arms (922) in " Qian " font, be provided with the 3rd oscillator arms (923) of a rhombus between the free end of two support arms of the second oscillator arms (922), described 3rd oscillator arms (923) be wherein provided with many articles of the 4th oscillator arms (924) parallel to each other between two opposite side; The isolation oscillator arms (927) in square waveform is also provided with between two support arms of the second oscillator arms (922);

Described isolation oscillator arms (927) includes many group and raises one's arm; Each described son is raised one's arm and is included base arm (927a), described base arm (927a) side is connected with the second oscillator arms (922), also include the first side wall (927b) extended upward from the free end of base arm (927a), also include the top arm (927c) extend horizontally away from the free end of the first side wall (927b), described top arm (927c) is extended with the second sidewall (927d) downward vertically;

Be provided with the isolation strip (925) of H-shaped between described two oscillator unit, described isolation strip (925) are made up of semiconductor;

First division board (8) is identical with the second division board (6) structure, A face and B face are included, described A face is provided with multiple hemispheres protuberance (61) of the arrangement in matrix, described hemisphere protuberance (61) end face is provided with arc-shaped recess (62) to lower recess, and described arc-shaped recess (62) bottom and A identity distance are from being 1cm-1.5cm; Described B face is established and multiple hemispherical depression corresponding to (61) of swelling with hemisphere of the arrangement in matrix; Hemisphere protuberance (61) side in described A face is the perforate (63) of opening with B face; Described first division board (8) A towards upper, B faces down, be obliquely installed, the perforate (63) of described hemispherical depression is obliquely downward; Described second division board (6) B towards upper, A faces down, be horizontally disposed with.

4. one according to claim 3 can monitor superhigh pressure power distribution cabinet, it is characterized in that: each described oscillator unit also includes two rectangular trapezoidal parasitic oscillator sheets (926), and each parasitic oscillator sheet (926) top is provided with multiple semicircular indentations; Described the first side wall (927b) is highly identical with the second sidewall (927d) and be set to H, and the transverse width of described base arm (927a) is set to L, and the transverse width of top arm (927c) is set to K, described K+H=1.25 (K+L).

5. one according to claim 3 can monitor superhigh pressure power distribution cabinet, it is characterized in that: described antenna plate (92) is provided with multiple circular louvre.

6. one according to claim 3 can monitor superhigh pressure power distribution cabinet, it is characterized in that: two described first oscillator arms (921) are provided with feed coupling aperture.

7. one according to claim 3 can monitor superhigh pressure power distribution cabinet, it is characterized in that: the length of described 4th oscillator arms (924) is 20cm.

8. one according to claim 3 can monitor superhigh pressure power distribution cabinet, it is characterized in that: four free ends of isolation strip (925) are circular arc.

9. one according to claim 3 can monitor superhigh pressure power distribution cabinet, it is characterized in that: power frame (2) is hollow out frame structure; The side, bottom of the first division board (8) is also provided with drainage pipe (7), and described drainage pipe (7) extends casing (1).

10. one according to claim 4 can monitor superhigh pressure power distribution cabinet, it is characterized in that: the quantity of described semicircular indentations is 6-9; The diameter of described semicircular indentations is 0.3cm-0.5cm.