CN105490177A - Power distribution cabinet - Google Patents
Power distribution cabinet Download PDFInfo
- Publication number
- CN105490177A CN105490177A CN201610040395.7A CN201610040395A CN105490177A CN 105490177 A CN105490177 A CN 105490177A CN 201610040395 A CN201610040395 A CN 201610040395A CN 105490177 A CN105490177 A CN 105490177A
- Authority
- CN
- China
- Prior art keywords
- radiation
- power distribution
- distribution cabinet
- arm
- arms
- Prior art date
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 17
- 238000002955 isolation Methods 0.000 claims description 15
- 230000001808 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 11
- 230000003071 parasitic Effects 0.000 claims description 7
- 230000000875 corresponding Effects 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 230000037250 Clearance Effects 0.000 claims description 3
- 230000035512 clearance Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract 1
- 238000004088 simulation Methods 0.000 description 2
- 206010069870 Device damage Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
Abstract
The invention discloses a power distribution cabinet comprising a tubular cabinet body. The cabinet body is internally provided with an equipment cavity which is internally provided with multiple storage racks used for placing power distribution equipment, and the storage racks are arranged from the bottom to the top. Each storage rack is provided with multiple ventilation holes. A line concentration channel of which the cross section is fan-shaped is arranged in the cabinet body. The internal wall of the line concentration channel is provided with multiple line holes used for providing line access channels for each storage rack. With the reasonable structural design of the power distribution cabinet, an antenna layer is arranged at the top layer so that relatively reasonable structural layout can be realized and communication capability of the power distribution cabinet can be enhanced.
Description
Technical field
The present invention relates to a kind of power distribution cabinet technical field.
Background technology
At present, 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; So far on distribution box or some high-tension apparatus equipment framves to be arranged the case of communication equipment less, because there is a unavoidable factor, is exactly the communication performance that the electrical system of power distribution cabinet can affect antenna, thus causes power distribution cabinet communication to occur interference; Therefore, comparatively reasonably power distribution cabinet structure be designed, make communication antenna preferably can carry out work, also need in addition to design antenna, improve antenna performance as far as possible.
Summary of the invention
The object of the invention is to overcome above-described shortcoming, provide a kind of can more excellent communication quality, be detected on one power distribution cabinet.
For achieving the above object, concrete scheme of the present invention is as follows: a kind of power distribution cabinet, includes the cabinet of tubbiness, is provided with equipment chamber in described cabinet, be provided with multiple rack for placing distribution equipment from bottom to top in described equipment chamber, each described rack is provided with multiple air vent hole; Being provided with a cross section in described cabinet is fan-shaped line concentration passage; The inwall of described line concentration passage is provided with multiple string holes being respectively used to provide wire rod access way to each rack;
Be provided with the object placing cavity be positioned at above equipment chamber in described cabinet, the top of object placing cavity is provided with separator, and the top of separator is provided with antenna stack; Be provided with data detection device in described object placing cavity, be provided with in described antenna stack and be provided for data detection device and the extraneous communication antenna carrying out radio communication;
Described data detection device includes multiple detecting head be located at respectively on each rack, also includes main controller; Described main controller is passed through detecting head image data information and is connected with outside by antenna by data message; Temperature sensor is provided with in described detecting head.
Wherein, described communication antenna includes circular pcb board, and the one side of pcb board is provided with microstrip antenna;
Described microstrip antenna includes two groups, often organizes two oscillator unit; Upper and lower two oscillator unit are one group, and for radiate vertical polarization signal, two, left and right oscillator unit is one group, for radiates horizontal polarization signal; Described pcb board central authorities are provided with square hollow hole;
Each oscillator unit includes radiation base, and two free ends on radiation base all tilt to extend the first radiating side, is formed horn-like between two the first radiating side; The free end of two the first radiating side all extends the second radiating side, be arranged in parallel between two the second radiating side; The free end of two the second radiating side all tilts to extend the 3rd radiating side, and the free end of two the 3rd radiating side all extends to the other side short radiating side;
Also include the radiation base arm in a few font, the both sides of radiation base arm are extended two the first radiation arms, is formed horn-like between two the first radiation arms; The free end of two the first radiation arms all extends the second radiation arm, be arranged in parallel between two the second radiation arms; The free end of two the second radiation arms all tilts to extend the 3rd radiation arm, and described 3rd radiation arm is broadening gradually to free end from the one end near the second radiation arm, is provided with the 4th radiation arm between two the 3rd radiation arms; The first linking arm is electrically connected with between each 3rd radiation arm and the 3rd adjacent radiating side;
The top of described radiation base arm is provided with the parasitic oscillator arms in convex shape, also includes feeder panel, described feeder panel and parasitic oscillator arms be electrically connected with the second linking arm;
The another side of described pcb board is provided with four power feed hole corresponding with feeder panel.
Wherein, each described second oscillator arms is all extended to feeder panel side T-shaped coupling bar.
Wherein, the lever arm of described T-shaped coupling bar is provided with multiple circular aperture.
Wherein, the quantity of the circular aperture on each T-shaped coupling bar is 6.
Wherein, described 4th radiation arm is provided with laciniation away from the side of feeder panel.
Wherein, semiconductor is filled with in circular aperture.
Wherein, the edge of pcb board is provided with ring dress isolation strip.
Wherein, also include the metal division board be located in separator, described metal division board is circular, and described metal division board is provided with four clearance holes corresponding with oscillator unit respectively.
Wherein, in described object placing cavity, be provided with ventilating fan, also include discharge pipe and exhaust column; Described exhaust column, its one end is communicated to equipment chamber, and its other end is communicated to the air admission hole of ventilating fan; Described discharge pipe, its one end is communicated to outside cabinet, and the other end is communicated to the venthole of ventilating fan;
Wherein, cabinet outside is coated with heat-insulation layer, and insulation outside scribbles fireprotection layer;
Beneficial effect of the present invention is: by rational power distribution cabinet structural design, realizes antenna stack to design at top layer, realizes more rational topology layout, improves the communication capacity of power distribution cabinet.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the vertical view of communication antenna of the present invention;
Fig. 4 is the upward view of communication antenna of the present invention
Fig. 5 is metal division board vertical view of the present invention;
Fig. 6 is the structural representation of oscillator unit of the present invention
Fig. 7 is the frequency range emulation testing figure that communication antenna of the present invention and metal division board do not conform to timing;
Fig. 8 is the frequency range emulation testing figure that communication antenna of the present invention and metal division board close timing;
Fig. 9 is the directional diagram of communication antenna of the present invention;
Description of reference numerals in Fig. 1 to Fig. 9:
A1-cabinet; A2-rack; A3-string holes; A4-antenna stack; A5-separator; A6-line concentration passage; A7-ventilating fan; A71-discharge pipe; A72-exhaust column; A8-air vent hole; A9-main controller;
1-PCB plate; 11-ring dress isolation strip; 12-hollow hole; 13-power feed hole;
2-metal division board; 21-clearance hole;
31-radiation base; 32-first radiating side; 33-second radiating side; 34-the 3rd radiating side; The short radiating side of 35-;
41-radiation base arm; 42-first radiation arm; 43-second radiation arm; 44-the 3rd radiation arm; 45-the 4th radiation arm; The parasitic oscillator arms of 46-; 47-feeder panel;
51-first linking arm; 52-T shape coupling bar; The circular aperture of 53-.
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 9, a kind of power distribution cabinet described in the present embodiment, includes the cabinet a1 of tubbiness, is provided with equipment chamber in described cabinet a1, be provided with multiple rack a2 for placing distribution equipment in described equipment chamber from bottom to top, each described rack a2 is provided with multiple air vent hole a8; Being provided with a cross section in described cabinet a1 is fan-shaped line concentration passage a6; The inwall of described line concentration passage a6 is provided with multiple string holes a3 being respectively used to provide wire rod access way to each rack a2; Be provided with the object placing cavity be positioned at above equipment chamber in described cabinet a1, the top of object placing cavity is provided with separator a5, and the top of separator a5 is provided with antenna stack a4; Be provided with data detection device in described object placing cavity, be provided with in described antenna stack a4 and be provided for data detection device and the extraneous communication antenna carrying out radio communication; Described data detection device includes multiple detecting head be located at respectively on each rack a2, also includes main controller a9; Described main controller a9 is passed through detecting head image data information and is connected with outside by antenna by data message; Temperature sensor is provided with in described detecting head; Rack a2 is for placing communication or the equipment facility such as forceful electric power or light current, and line concentration passage a6 is used for line concentration, by wire rod boundling together, and by string holes a3 inlet wire; Described data detection device includes detecting head, is provided with temperature sensor in detecting head, also can include other detecting devicess; Information after detection is reached main controller a9, and information transmitting is gone out by communication antenna by main controller a9 again.By rational power distribution cabinet structural design, realize antenna stack a4 to design at top layer, reduce the interference of other equipment to it, realize more rational topology layout, improve the communication capacity of power distribution cabinet.
In order to improve the communication performance of power distribution cabinet further, need to promote communication antenna performance, a kind of power distribution cabinet therefore described in the present embodiment, described communication antenna includes circular pcb board 1, and the one side of pcb board 1 is provided with microstrip antenna; Described microstrip antenna includes two groups, often organizes two oscillator unit; Upper and lower two oscillator unit are one group, and for radiate vertical polarization signal, two, left and right oscillator unit is one group, for radiates horizontal polarization signal; Described pcb board 1 central authorities are provided with square hollow hole 12; Each oscillator unit includes radiation base 31, two free ends on radiation base 31 all tilt to extend to have formed between the first radiating side 32, two the first radiating side 32 horn-like; The free end of two the first radiating side 32 all extends to have between the second radiating side 33, two the second radiating side 33 and be arranged in parallel; The free end of two the second radiating side 33 all tilts to extend to have the free end of the 3rd radiating side 34, two the 3rd radiating side 34 all to extend to the other side short radiating side 35; Also include the radiation base arm 41 in a few font, the both sides of radiation base arm 41 extend have formed between two the first radiation arms, 42, two the first radiation arms 42 horn-like; The free end of two the first radiation arms 42 all extends to have between the second radiation arm 43, two the second radiation arms 43 and be arranged in parallel; The free end of two the second radiation arms 43 all tilts to extend the 3rd radiation arm 44, and described 3rd radiation arm 44 is broadening gradually to free end from the one end near the second radiation arm 43, is provided with the 4th radiation arm 45 between two the 3rd radiation arms 44; The first linking arm 51 is electrically connected with between each 3rd radiation arm 44 and the 3rd adjacent radiating side 34; The top of described radiation base arm 41 is provided with the parasitic oscillator arms 46 in convex shape, also includes feeder panel 47, and described feeder panel 47 is electrically connected with the second linking arm with parasitic oscillator arms 46; The another side of described pcb board 1 is provided with four power feed hole 13 corresponding with feeder panel 47; Holding wire, by the coupling of power feed hole 13 feed, by the design of rational radiating element, improves radiation current, thus improves radiation characteristic.By being not less than the microstrip circuit structural design of 600 times, and by under being not less than 600 l-G simulation tests and parameter adjustment, finally determine above-mentioned antenna structure, this antenna possesses wider frequency range and preferably isolation and directivity and gain performance, possess good communication performance, can further improve the communication capacity of power distribution cabinet.
A kind of power distribution cabinet described in the present embodiment, also includes the metal division board 2 be located in separator a5, and described metal division board 2 is circular, and described metal division board 2 is provided with four clearance holes 21 corresponding with oscillator unit respectively.Be in actual test, when this structural metal division board 2 of removing or placement common metal division board 2, 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, and in frequency band, average gain is greater than 8.952dBi; Meet actual use needs; The design of this shape division board is also drawn by emulation and continuous EXPERIMENTAL DESIGN, wherein, screw stereo antenna is comprised when this metal division board 2 being placed other prior art antennas and coordinating, its matching is not high, and isolation performance strengthens not obvious, when testing ordinary antennas, this metal division board 2 in cooperation, average gain increases 0.01-0.15dBi or does not increase, and isolation performance is constant, and frequency range is without change; And reality test with test before emulation in can learn, test when the communication antenna in this programme coordinates with the division board of this programme, the bandwidth of the communication antenna of this programme, isolation, gain aspect all exceed Antenna Design when not adding division board, and the simulation value after wherein coordinating is as Fig. 8.This integrated antenna system bandwidth available frequency range reaches 1.6GHz to 2.85GHz; Its gain also obviously increases, and in frequency band, average gain is greater than 9.4dBi, compares rising about 0.3dBi; If isolation in its isolation figure frequency band in addition, isolation performance better, as Fig. 7, can find out that in S3 isolation is greater than 25.5dB in frequency range.Its directivity, as described in Figure 9, it is omni-directional antenna.
A kind of power distribution cabinet described in the present embodiment, each described second oscillator arms is all extended to feeder panel 47 side T-shaped coupling bar 52.T-shaped coupling bar 52 effectively can strengthen decoupling performance, promotes gain and improves standing-wave ratio performance.A kind of power distribution cabinet described in the present embodiment, the lever arm of described T-shaped coupling bar 52 is provided with multiple circular aperture 53.
A kind of power distribution cabinet described in the present embodiment, the quantity of the circular aperture 53 on each T-shaped coupling bar 52 is 6.Found by emulation experiment and actual test, the aperture of this quantity effectively can increase the decoupling performance of T-shaped coupling bar 52; A kind of power distribution cabinet described in the present embodiment, described 4th radiation arm 45 is provided with laciniation away from the side of feeder panel 47, and this structure can effectively increase its isolation performance.A kind of power distribution cabinet described in the present embodiment, is filled with semiconductor in circular aperture 53.A kind of power distribution cabinet described in the present embodiment, the edge of pcb board 1 is provided with ring dress isolation strip 11.Ring dress isolation strip 11 effectively can strengthen isolation performance, improves the electric property of antenna.
A kind of power distribution cabinet described in the present embodiment, is provided with ventilating fan a7 in described object placing cavity, also include discharge pipe a71 and exhaust column a72; Described exhaust column a72, its one end is communicated to equipment chamber, and its other end is communicated to the air admission hole of ventilating fan a7; Described discharge pipe a71, its one end is communicated to outside cabinet a1, and the other end is communicated to the venthole of ventilating fan a7; Change wind for giving in cabinet a1, in cabinet a1 temperature higher in, reduce cabinet a1 inner question.
A kind of power distribution cabinet described in the present embodiment, cabinet a1 outside is coated with heat-insulation layer, and insulation outside scribbles fireprotection layer; Prevent fire from being formed.
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 (9)
1. a power distribution cabinet, it is characterized in that: the cabinet (a1) including tubbiness, be provided with equipment chamber in described cabinet (a1), be provided with multiple rack (a2) for placing distribution equipment in described equipment chamber from bottom to top, each described rack (a2) is provided with multiple air vent hole (a8); Being provided with a cross section in described cabinet (a1) is fan-shaped line concentration passage (a6); The inwall of described line concentration passage (a6) is provided with multiple string holes (a3) being respectively used to provide wire rod access way to each rack (a2); Be provided with the object placing cavity be positioned at above equipment chamber in described cabinet (a1), the top of object placing cavity is provided with separator (a5), and the top of separator (a5) is provided with antenna stack (a4); Be provided with data detection device in described object placing cavity, be provided with in described antenna stack (a4) and be provided for data detection device and the extraneous communication antenna carrying out radio communication; Described data detection device includes multiple detecting head be located at respectively on each rack (a2), also includes main controller (a9); Described main controller (a9) by detecting head image data information and by data message by antenna with outside be connected; Temperature sensor is provided with in described detecting head;
Cabinet (a1) outside is coated with heat-insulation layer, and insulation outside scribbles fireprotection layer.
2. a kind of power distribution cabinet according to claim 1, is characterized in that: described communication antenna includes circular pcb board (1), and the one side of pcb board (1) is provided with microstrip antenna;
Described microstrip antenna includes two groups, often organizes two oscillator unit; Upper and lower two oscillator unit are one group, and for radiate vertical polarization signal, two, left and right oscillator unit is one group, for radiates horizontal polarization signal; Described pcb board (1) central authorities are provided with square hollow hole (12);
Each oscillator unit includes radiation base (31), and two free ends of radiation base (31) all tilt to extend to have the first radiating side (32), is formed horn-like between two the first radiating side (32); The free end of two the first radiating side (32) all extends the second radiating side (33), be arranged in parallel between two the second radiating side (33); The free end of two the second radiating side (33) all tilts to extend the 3rd radiating side (34), and the free end of two the 3rd radiating side (34) all extends to the other side short radiating side (35);
Also include the radiation base arm (41) in a few font, the both sides of radiation base arm (41) are extended two the first radiation arms (42), is formed horn-like between two the first radiation arms (42); The free end of two the first radiation arms (42) all extends the second radiation arm (43), be arranged in parallel between two the second radiation arms (43); The free end of two the second radiation arms (43) all tilts to extend the 3rd radiation arm (44), described 3rd radiation arm (44) is broadening gradually to free end from the one end near the second radiation arm (43), is provided with the 4th radiation arm (45) between two the 3rd radiation arms (44); The first linking arm (51) is electrically connected with between each 3rd radiation arm (44) and the 3rd adjacent radiating side (34);
The top of described radiation base arm (41) is provided with the parasitic oscillator arms (46) in convex shape, also includes feeder panel (47), and described feeder panel (47) is electrically connected with the second linking arm with parasitic oscillator arms (46);
The another side of described pcb board (1) is provided with four power feed hole (13) corresponding with feeder panel (47).
3. a kind of power distribution cabinet according to claim 2, is characterized in that: each described second oscillator arms is all extended to feeder panel (47) side T-shaped coupling bar (52).
4. a kind of power distribution cabinet according to claim 3, is characterized in that: the lever arm of described T-shaped coupling bar (52) is provided with multiple circular aperture (53).
5. a kind of power distribution cabinet according to claim 4, is characterized in that: the quantity of the circular aperture (53) on each T-shaped coupling bar (52) is 6.
6. a kind of power distribution cabinet according to claim 2, is characterized in that: described 4th radiation arm (45) is provided with laciniation away from the side of feeder panel (47).
7. a kind of power distribution cabinet according to claim 3, is characterized in that: circular aperture is filled with semiconductor in (53).
8. a kind of power distribution cabinet according to claim 2, is characterized in that: the edge of pcb board (1) is provided with ring dress isolation strip (11).
9. a kind of power distribution cabinet according to claim 2, it is characterized in that: also include the metal division board (2) be located in separator (a5), described metal division board (2) is circular, and described metal division board (2) is provided with four clearance holes (21) corresponding with oscillator unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040395.7A CN105490177A (en) | 2016-01-21 | 2016-01-21 | Power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610040395.7A CN105490177A (en) | 2016-01-21 | 2016-01-21 | Power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105490177A true CN105490177A (en) | 2016-04-13 |
Family
ID=55676998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610040395.7A Pending CN105490177A (en) | 2016-01-21 | 2016-01-21 | Power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105490177A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931802A (en) * | 2016-05-03 | 2016-09-07 | 黄旭 | Cluster-type transformer with blower |
| CN105931803A (en) * | 2016-05-03 | 2016-09-07 | 黄旭 | Clustered transformer |
| CN106207379A (en) * | 2016-07-20 | 2016-12-07 | 周丹 | It is provided with the RFID electronic antenna label of encapsulation part |
| CN106195652A (en) * | 2016-07-03 | 2016-12-07 | 彭曙光 | From heat radiation Intelligent LED lamp |
| CN106297102A (en) * | 2016-07-29 | 2017-01-04 | 梁淑明 | The berth medical call device of heart rate can be detected |
| WO2017181984A1 (en) * | 2016-04-20 | 2017-10-26 | 欧志洪 | Robot capable of collecting water-related data from lakes and sea |
| WO2018014572A1 (en) * | 2016-07-20 | 2018-01-25 | 周丹 | Rfid electronic antenna tag |
| WO2018014576A1 (en) * | 2016-07-21 | 2018-01-25 | 覃梅花 | Computer management system for intelligent community management |
| WO2018014573A1 (en) * | 2016-07-20 | 2018-01-25 | 周丹 | Rfid electronic antenna tag provided with parasitic radiation piece |
-
2016
- 2016-01-21 CN CN201610040395.7A patent/CN105490177A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017181984A1 (en) * | 2016-04-20 | 2017-10-26 | 欧志洪 | Robot capable of collecting water-related data from lakes and sea |
| CN105931802A (en) * | 2016-05-03 | 2016-09-07 | 黄旭 | Cluster-type transformer with blower |
| CN105931803A (en) * | 2016-05-03 | 2016-09-07 | 黄旭 | Clustered transformer |
| CN106195652A (en) * | 2016-07-03 | 2016-12-07 | 彭曙光 | From heat radiation Intelligent LED lamp |
| CN106207379A (en) * | 2016-07-20 | 2016-12-07 | 周丹 | It is provided with the RFID electronic antenna label of encapsulation part |
| WO2018014572A1 (en) * | 2016-07-20 | 2018-01-25 | 周丹 | Rfid electronic antenna tag |
| WO2018014574A1 (en) * | 2016-07-20 | 2018-01-25 | 周丹 | Rfid electronic antenna label provided with encapsulation part |
| WO2018014573A1 (en) * | 2016-07-20 | 2018-01-25 | 周丹 | Rfid electronic antenna tag provided with parasitic radiation piece |
| WO2018014576A1 (en) * | 2016-07-21 | 2018-01-25 | 覃梅花 | Computer management system for intelligent community management |
| CN106297102A (en) * | 2016-07-29 | 2017-01-04 | 梁淑明 | The berth medical call device of heart rate can be detected |
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Application publication date: 20160413 |
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