CN105655897A - Electric power distribution cabinet - Google Patents
Electric power distribution cabinet Download PDFInfo
- Publication number
- CN105655897A CN105655897A CN201610156003.3A CN201610156003A CN105655897A CN 105655897 A CN105655897 A CN 105655897A CN 201610156003 A CN201610156003 A CN 201610156003A CN 105655897 A CN105655897 A CN 105655897A
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- China
- Prior art keywords
- cabinet
- arc
- arm
- electric power
- air openings
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses an electric power distribution cabinet which comprises an outer cabinet body. The outer cabinet body is internally provided with an inner cabinet body, the top end of the inner cabinet body is opened, and the inner cabinet body is internally provided with multiple partition plates which are arranged in a layered mode and used for containing electric equipment; each partition plate is provided with air holes; partitions are arranged between the inner wall of the outer cabinet body and the outer wall of the inner cabinet body; first air openings are formed in the lower portion of the inner cabinet body, second air openings are formed in the upper portion of the outer cabinet body, and third air openings are formed in the lower portion of the outer cabinet body; by means of the partitions, air enters the third air openings and then enters the inner cabinet body from the first air openings and goes out of the second air openings, heat is taken away through air circulation, and it is guaranteed that the temperature in the power distribution cabinet is not too high; according to the principle that hot air can go upwards, the hot air can be automatically emitted from the second air openings, and therefore outside low-temperature air enters the third air openings continuously.
Description
Technical field
The present invention relates to a kind of electric power distributing cabinet.
Background technology
At present, Internet era, people parent look at by various equipment add communication system, to facilitate real time remote scope state and information, it is prevented that device damage; And communicate and just be unable to do without the communication antenna making signal launch and receive; The case arranging communication equipment so far on high voltage power distributing cabinet or distribution box is less, because there being a unavoidable factor, it is simply 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, it is necessary to this antenna this have good performance in directional performance; It addition, electric power distributing cabinet is due to the defect in design at present, often heat dispersion is not good, and therefore designing power distribution cabinet that is a kind of that can have automatic temperature-adjusting heat radiation adjustment and that possess communication function is market demand.
Summary of the invention
It is an object of the invention to overcome disadvantages described above, it is provided that a kind of electric power distributing cabinet possessing self heat dissipation function.
For achieving the above object, the concrete scheme of the present invention is as follows: a kind of electric power distributing cabinet, includes outer cabinet, is provided with inner cabinet in described outer cabinet, the top end opening of described inner cabinet, described inner cabinet is provided with multiple layering arrange, for placing the dividing plate of electrical equipment; Described each dividing plate is provided with ventilative hole; It is provided with partition between inwall and the outer wall of inner cabinet of described outer cabinet; The bottom of described inner cabinet is provided with the first air openings, and the top of described outer cabinet is provided with the second air openings, and the bottom of described outer cabinet is provided with the 3rd air openings; Described inner cabinet is connected with monitoring chamber, and described monitoring intracavity is provided with circuit box, is provided with observation circuit in described circuit box, and described observation circuit includes power module, for powering to observation circuit; Described observation circuit also includes CPU, alarm device, smoke detector and the communicator for passing the information on away; Described alarm device, smoke detector, communicator connect respectively at cpu signal; Described communicator includes communication chip and the communication antenna of signal connection with it; Described communication antenna is located on circuit box.
Wherein, described communication antenna includes the pcb board of an ellipse, and described pcb board is provided with two laterally zygomorphic micro-strip oscillator unit;Each micro-strip oscillator unit includes semicircular first arc and raises one's arm, and described first arc is raised one's arm and is provided with V-notch; Two free ends that described first arc is raised one's arm all are provided with brachium pontis;
The second arc that each micro-strip oscillator unit also includes opening direction of raising one's arm with the first arc contrary is raised one's arm, free end and second arc of brachium pontis are raised one's arm connected, described brachium pontis has downwardly extended the first oscillator arms, and the free end of the first oscillator arms extends the second oscillator arms having L-shaped to the side raised one's arm away from the first arc; The bottom that second arc is raised one's arm is provided with a rectangular indentation, also includes a T-shaped parasitism oscillator unit, and the low side of described T-shaped parasitism oscillator unit is located in rectangular indentation;
Described brachium pontis is provided with multiple hollow-out unit, and described hollow-out unit includes the tri-angle-holed of six circular array, and rectangle isolation channel is extended at each tri-angle-holed angular hollow-out unit center near hollow-out unit center;
Also including L-shaped feed line, raising one's arm with the first arc and be connected in one end of described feed line, the other end is connected with power feed hole.
Wherein, the pcb board of described ellipse is additionally provided with shading ring.
Wherein, the described hollow hole element number on each brachium pontis is four.
Wherein, the free end of the first oscillator arms is key groove.
Wherein, the angle of described V-notch is 30 ��-45 ��.
Wherein, described second air openings is communicated with a pipeline, and described pipeline is provided with air pump;
Wherein, described observation circuit also includes ambient humidity detector, and described ambient humidity detector is connected with cpu signal, and described ambient humidity detector is located on the inwall of outer cabinet;
Wherein, described observation circuit also includes the ambient temperature detector for detecting temperature, and described ambient temperature detector is connected with cpu signal, and described ambient temperature detector is located on the inwall of outer cabinet.
The invention have the benefit that the setting by cutting off, the 3rd air openings enters into inner cabinet from the first air openings after entering air, and goes out from the second air openings, and heat is taken away by the circulation of air, it is ensured that the temperature in power distribution cabinet is unlikely to too high; And the principle can upwards walked due to hot-air, hot-air also can oneself shed from the second air openings, so that the 3rd air openings enters extraneous cryogenic gas endlessly.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of the present invention;
Fig. 2 is the schematic diagram of the dividing plate of the present invention;
Fig. 3 is the theory diagram of the observation circuit of the present invention;
Fig. 4 is the top view of the communication antenna of the present invention;
Fig. 5 is the partial enlarged drawing of this Fig. 4;
Fig. 6 is the return loss test figure of this antenna;
Fig. 7 is the isolation performance test figure of this antenna;
Fig. 8 is directional diagram during this antenna 2.4GHz;
Fig. 9 is directional diagram during this antenna 5.0GHz;
Description of reference numerals in Fig. 1 to Fig. 9:
1-outer cabinet; 11-the second air openings; 12-the 3rd air openings; 13-cuts off; 14-ambient temperature detector; 15-ambient humidity detector; 16-pipeline; 17-air pump;
2-inner cabinet; 21-dividing plate; 22-the first air openings; 3-circuit box; 4-communication antenna;
A1-PCB plate; A2-shading ring; A3-feed line; A4-the first arc is raised one's arm; A41-V v notch v; A5-the second arc is raised one's arm; A6-brachium pontis; A61-hollow-out unit; A611-is tri-angle-holed; A7-the first oscillator arms; A8-the second oscillator arms; A9-parasitism oscillator unit.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation, is not that the practical range of the present invention is limited thereto.
As shown in Figures 1 to 9, a kind of electric power distributing cabinet described in the present embodiment, include outer cabinet, in described outer cabinet, be provided with inner cabinet, the top end opening of described inner cabinet, described inner cabinet is provided with multiple layering arrange, for placing the dividing plate of electrical equipment; Described each dividing plate is provided with ventilative hole; It is provided with partition between inwall and the outer wall of inner cabinet of described outer cabinet; The bottom of described inner cabinet is provided with the first air openings, and the top of described outer cabinet is provided with the second air openings, and the bottom of described outer cabinet is provided with the 3rd air openings; Described inner cabinet is connected with monitoring chamber, and described monitoring intracavity is provided with circuit box, is provided with observation circuit in described circuit box, and described observation circuit includes power module, for powering to observation circuit; Described observation circuit also includes CPU, alarm device, smoke detector and the communicator for passing the information on away; Described alarm device, smoke detector, communicator connect respectively at cpu signal; Described communicator includes communication chip and the communication antenna of signal connection with it; Described communication antenna is located on circuit box. By the setting cut off, the 3rd air openings enters into inner cabinet from the first air openings after entering air, and goes out from the second air openings, and heat is taken away by the circulation of air, it is ensured that the temperature in power distribution cabinet is unlikely to too high; And the principle can upwards walked due to hot-air, hot-air also can oneself shed from the second air openings, so that the 3rd air openings enters extraneous cryogenic gas endlessly. And communication antenna is located at bottom, it is possible to make communication antenna possess good capacity of resisting disturbance.
A kind of electric power distributing cabinet described in the present embodiment, described communication antenna includes the pcb board of an ellipse, and described pcb board is provided with two laterally zygomorphic micro-strip oscillator unit; Each micro-strip oscillator unit includes semicircular first arc and raises one's arm, and described first arc is raised one's arm and is provided with V-notch; Two free ends that described first arc is raised one's arm all are provided with brachium pontis; The second arc that each micro-strip oscillator unit also includes opening direction of raising one's arm with the first arc contrary is raised one's arm, free end and second arc of brachium pontis are raised one's arm connected, described brachium pontis has downwardly extended the first oscillator arms, and the free end of the first oscillator arms extends the second oscillator arms having L-shaped to the side raised one's arm away from the first arc; The bottom that second arc is raised one's arm is provided with a rectangular indentation, also includes a T-shaped parasitism oscillator unit, and the low side of described T-shaped parasitism oscillator unit is located in rectangular indentation; Described brachium pontis is provided with multiple hollow-out unit, and described hollow-out unit includes the tri-angle-holed of six circular array, and rectangle isolation channel is extended at each tri-angle-holed angular hollow-out unit center near hollow-out unit center; Also including L-shaped feed line, raising one's arm with the first arc and be connected in one end of described feed line, the other end is connected with power feed hole.
Tested by HSFF and gyroscope, and microstrip circuit structural design, and under substantial amounts of l-G simulation test and parameter adjustment, finally determine above-mentioned antenna structure; After multiple antenna stacks are fed coupling by this communication antenna simultaneously, it shows excellent electric performance at 2.4GHz and 5.0GHz, and specifically such as Fig. 6, near this frequency range, under bandwidth, return loss on average reaches 9.65dBi;Concrete, its return loss is superior to-17dB in the return loss of 2.4-2.48GHz frequency range and 5.15-5.875GHz frequency range; Such as Fig. 7, isolation is better than-20dB at the isolation loss of 2.4-2.48GHz and 5.15-5.875GHz frequency range. Prove that this antenna itself possesses good performance; It addition, its directivity of this antenna, as shown in Figure 8 and Figure 9, under two frequency, it is omni-directional antenna.
Embodiment 2.
A kind of electric power distributing cabinet described in the present embodiment, the pcb board of described ellipse is additionally provided with shading ring. A kind of electric power distributing cabinet described in the present embodiment, the described hollow hole element number on each brachium pontis is four. A kind of electric power distributing cabinet described in the present embodiment, the free end of the first oscillator arms is key groove. A kind of electric power distributing cabinet described in the present embodiment, the angle of described V-notch is 30 ��-45 ��. Being found by test of many times, if meeting above-mentioned specification, the performance of antenna will optimize more, and especially in return loss, its return loss is superior to-18dB in the return loss of 2.4-2.48GHz frequency range and 5.15-5.875GHz frequency range.
A kind of electric power distributing cabinet described in the present embodiment, described second air openings is communicated with a pipeline, and described pipeline is provided with air pump; The air circulation in cabinet can be effectively increased by air pump, strengthen radiating effect.
A kind of electric power distributing cabinet described in the present embodiment, described observation circuit also includes ambient humidity detector, and described ambient humidity detector is connected with cpu signal, and described ambient humidity detector is located on the inwall of outer cabinet; Ambient humidity can be detected, it is provided that humidity data, it is prevented that humidity is too high causes machine breakdown.
A kind of electric power distributing cabinet described in the present embodiment, described observation circuit also includes the ambient temperature detector for detecting temperature, and described ambient temperature detector is connected with cpu signal, and described ambient temperature detector is located on the inwall of outer cabinet; Detect the change of temperature in time so that temperature can effectively be supervised, it is prevented that the too high disaster hidden-trouble caused of temperature.
The above is only a preferred embodiment of the present invention, therefore all equivalences done according to the structure described in present patent application scope, feature and principle change or modify, and are included in the protection domain of present patent application.
Claims (6)
1. an electric power distributing cabinet, it is characterized in that: include // // there is outer cabinet (1), be provided with inner cabinet (2), the top end opening of described inner cabinet (2) in described outer cabinet (1), described inner cabinet (2) is provided with multiple layering arrange, for placing the dividing plate (21) of electrical equipment; Described each dividing plate (21) is provided with ventilative hole; It is provided with partition (13) between inwall and the outer wall of inner cabinet (2) of described outer cabinet (1); The bottom of described inner cabinet (2) is provided with the first air openings (22), and the top of described outer cabinet (1) is provided with the second air openings (11), and the bottom of described outer cabinet (1) is provided with the 3rd air openings (12); Described inner cabinet (2) is connected with monitoring chamber, and described monitoring intracavity is provided with circuit box (3), is provided with observation circuit in described circuit box (3), and described observation circuit includes power module, for powering to observation circuit; Described observation circuit also includes CPU, alarm device, smoke detector and the communicator for passing the information on away; Described alarm device, smoke detector, communicator connect respectively at cpu signal;Described communicator includes communication chip and the communication antenna (4) of signal connection with it; Described communication antenna (4) is located on circuit box (3);
Described second air openings (11) is communicated with a pipeline (16), and described pipeline (16) is provided with air pump (17);
Described observation circuit also includes ambient humidity detector (15), and described ambient humidity detector (15) is connected with cpu signal, and described ambient humidity detector (15) is located on the inwall of outer cabinet (1).
2. a kind of electric power distributing cabinet according to claim 1, it is characterised in that: described communication antenna (4) includes the pcb board (A1) of an ellipse, and described pcb board (A1) is provided with two laterally zygomorphic micro-strip oscillator unit; Each micro-strip oscillator unit includes semicircular first arc and raises one's arm (a4), described first arc raise one's arm (a4) be provided with V-notch (A41); Raise one's arm two free ends of (a4) of described first arc are all provided with brachium pontis (a6);
The second arc that each micro-strip oscillator unit also includes (a4) opening direction of raising one's arm with the first arc contrary raises one's arm (a5), the free end of brachium pontis (a6) and the second arc raise one's arm (a5) be connected, described brachium pontis (a6) has downwardly extended the first oscillator arms (a7), and the free end of the first oscillator arms (a7) extends, to away from the raise one's arm side of (a4) of the first arc, the second oscillator arms (a8) having L-shaped; The raise one's arm bottom of (a5) of second arc is provided with a rectangular indentation, also includes T-shaped parasitism oscillator unit (a9), and the low side of described T-shaped parasitism oscillator unit (a9) is located in rectangular indentation;
Described brachium pontis (a6) is provided with multiple hollow-out unit (a61), described hollow-out unit (a61) includes tri-angle-holed (a611) of six circular array, and each tri-angle-holed (a611) extends rectangle isolation channel near angular hollow-out unit (a61) center at hollow-out unit (a61) center;
Also include L-shaped feed line (a3), one end of described feed line (a3) raise one's arm with the first arc (a4) be connected, the other end is connected with power feed hole.
3. a kind of electric power distributing cabinet according to claim 2, it is characterised in that: the pcb board (A1) of described ellipse is additionally provided with shading ring (a2).
4. a kind of electric power distributing cabinet according to claim 2, it is characterised in that: the described hollow hole element number on each brachium pontis (a6) is four.
5. a kind of electric power distributing cabinet according to claim 2, it is characterised in that: the free end of the first oscillator arms (a7) is key groove.
6. a kind of electric power distributing cabinet according to claim 2, it is characterised in that: the angle of described V-notch (A41) is 30 ��-45 ��.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156003.3A CN105655897A (en) | 2016-03-18 | 2016-03-18 | Electric power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610156003.3A CN105655897A (en) | 2016-03-18 | 2016-03-18 | Electric power distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN105655897A true CN105655897A (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610156003.3A Pending CN105655897A (en) | 2016-03-18 | 2016-03-18 | Electric power distribution cabinet |
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| CN (1) | CN105655897A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201364636Y (en) * | 2009-03-11 | 2009-12-16 | 南京奥立创智能科技有限公司 | Wireless remote temperature monitoring and fire alarm system for power distribution room |
| CN102263385A (en) * | 2011-08-11 | 2011-11-30 | 浙江安可电气科技有限公司 | Ventilation and heat-radiation system of semi-buried box-type transformer substation |
| CN104701616A (en) * | 2015-03-24 | 2015-06-10 | 邝嘉豪 | Antenna |
| CN204668781U (en) * | 2015-05-18 | 2015-09-23 | 安徽中能电气股份有限公司 | Machine room is from dispelling the heat voltage switchgear |
| CN105004975A (en) * | 2015-07-26 | 2015-10-28 | 胡洁维 | Transformer substation partial discharge signal detection system provided with first parasitic oscillator sheet |
| CN105261444A (en) * | 2015-11-09 | 2016-01-20 | 谢广鹏 | Shielded type transformer with air cooler |
-
2016
- 2016-03-18 CN CN201610156003.3A patent/CN105655897A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201364636Y (en) * | 2009-03-11 | 2009-12-16 | 南京奥立创智能科技有限公司 | Wireless remote temperature monitoring and fire alarm system for power distribution room |
| CN102263385A (en) * | 2011-08-11 | 2011-11-30 | 浙江安可电气科技有限公司 | Ventilation and heat-radiation system of semi-buried box-type transformer substation |
| CN104701616A (en) * | 2015-03-24 | 2015-06-10 | 邝嘉豪 | Antenna |
| CN204668781U (en) * | 2015-05-18 | 2015-09-23 | 安徽中能电气股份有限公司 | Machine room is from dispelling the heat voltage switchgear |
| CN105004975A (en) * | 2015-07-26 | 2015-10-28 | 胡洁维 | Transformer substation partial discharge signal detection system provided with first parasitic oscillator sheet |
| CN105261444A (en) * | 2015-11-09 | 2016-01-20 | 谢广鹏 | Shielded type transformer with air cooler |
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Application publication date: 20160608 |