CN106340971A - Movable wireless power supply system for exhibition hall - Google Patents
Movable wireless power supply system for exhibition hall Download PDFInfo
- Publication number
- CN106340971A CN106340971A CN201610848739.7A CN201610848739A CN106340971A CN 106340971 A CN106340971 A CN 106340971A CN 201610848739 A CN201610848739 A CN 201610848739A CN 106340971 A CN106340971 A CN 106340971A
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- Prior art keywords
- circuit
- wireless power
- power supply
- supply system
- museum
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Abstract
The invention discloses a movable wireless power supply system for an exhibition hall. The system comprises a wireless power supply facility buried at the underground of the exhibition hall and receiving devices equipped on each piece of electric equipment. The wireless power supply facility comprises a plurality of emitting devices, and each of the emitting devices is electrically connected to a power distribution cabinet through a power line. Each of the emitting devices comprises a rectifier circuit, a power factor correction circuit, an inverter, an impedance transformation circuit, and a transmitter coil which are electrically connected orderly. An emitting control circuit and an emitting end wireless communication circuit are in a bidirectional connection. Each of the receiving devices comprises a receiving end coil, a load compensation circuit, a high frequency rectifier and filter circuit, a DC-DC circuit, and a receiving end wireless communication circuit which are electrically connected orderly. The receiving end wireless communication circuit and the receiving control circuit are in a bidirectional connection. According to the movable wireless power supply system, the wireless power supply in a range of 10 cm to 30 cm between the ground and the electric equipment is realized.
Description
Technical field
The invention mainly relates to wireless power technical field is and in particular to a kind of Special movable wireless power system of museum
System.
Background technology
Electricity consumption of arranging exhibits in museum now is all to insert or the slotting extraction of wall from ground, because limited amount is inserted so that arranges exhibits is flexible in ground
Property is very poor, is unfavorable for putting of electric terminal (packaged type showcase, TV, touch screen integrated machine, interactive electronic equipment), at present
Solution be to connect open-wire line with interim wire casing, shortcoming is unsightly poor stability, and the public place for museum's class is unsuitable
Use.
Content of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of museum Special movable wireless power
System, the present invention is directed to the requirement developing development of arranging exhibits of the museum such as museum, memorial museum, exhibition center, science and technology center, is packaged type
Showcase, lamp box, multimedia equipment etc. provide wireless power.
The present invention is achieved by the following technical solutions:
Museum's Special movable wireless power supply system it is characterised in that: include and be embedded in the wireless power of museum underground and set
The reception device applied, be disposed in each electrical equipment, described wireless power facility includes several dischargers, and each is sent out
Injection device is electrically connected with distribution box by power line；Described discharger include the rectification circuit being sequentially connected electrically, power because
Number correcting circuit, inverter, impedance inverter circuit, transmitting end-coil, the signal input part of inverter connects countdown circuit,
Countdown circuit is bi-directionally connected with transmitting terminal radio communication circuit；Described reception device includes the receiving terminal being sequentially connected electrically
Coil, load compensation circuit, rectifier filter circuit, dc-dc circuit, also include receiving terminal radio communication circuit, receive
End radio communication circuit is bi-directionally connected with receiving control circuit.
Described museum's Special movable wireless power supply system it is characterised in that: the rectification circuit of described discharger
Input be connected with 220v alternating voltage.
Described museum's Special movable wireless power supply system it is characterised in that: described electrical equipment using or not
In the case of two kinds of electric power, connect the outfan of dc-dc circuit of reception device by holding wire and receive control circuit
Input, sends instruction and controls its working condition.
The know-why of the present invention is:
The power supply process of the present invention is: ground sending end passes through cable incoming transport electrical network, through the transmitting coil on ground, by electricity
Magnetic field energy can be converted to, when electrical equipment be aligned relevant position, start wireless power.Particular technique principle is as follows:
(1) apart from wireless energy transmission technology in.
Wireless energy transmission technology is a kind of technology carrying out energy transmission by air gap, and wireless power typically adopts
Near field coupling technique is realized electric energy and is propagated in air gap, and power transmission coil converts electrical energy into magnetic field energy, and the magnetic line of force passes through
Be converted to electric energy after power transmission coil again.
(2) loop construction and electromagnetic field optimisation technique.
(3) wireless power supply power conversion technology.
(4) the automatic aligning technology of wireless power transmitting terminal and receiving terminal.
(5) near field communication and adaptive control technology.
(6) friendly man-machine interaction management system.
Major technique and performance indications:
This team reaches following index through science and technology research and development for many years and experience accumulation, shaped article:
(1) efficiency is high: wireless energy transfer part peak efficiency reaches 98%, and the end-to-end peak efficiency of system reaches 91%, transmission distance
From up to 20 centimetres.
(2) loop construction is simple, small volume, intensity are high: the loop construction of optimization design is simple, small volume, lightweight.Ground
Face end-coil intensity and hardness can meet rolling of main equipment.
(3) affected by environment little: ground surface end electrical source power factor is more than 99%, inverter peak efficiency is more than 98%, has
Very wide working range.
(4) intelligent positioning: wireless power supply system alignment system does not rely on user operation level, possesses intelligent positioning work(
Can, positioning precision can achieve that coil lateral shift is less than 20 centimetres.
(5) supply network design: install customization software kit using all kinds of conventional hand-held equipment, can achieve intelligent pipe
Reason.
The key technology that the present invention adopts is as follows:
High-power power conversion and control technology；
High-power power conversion is the commutation technique of the rectification, inversion and the receiving terminal that mainly include ground surface end.Ground surface end commutator
Design constraint is that wireless power supply system is minimum to electric network influencing, and high frequency inverter technology is the high direct voltage warp obtaining rectification
Cross full-bridge inverting technology and be transformed to high frequency ac signal, inversion link is most important power conversion in whole wireless power supply system
Link；Develop ground surface end rectification and high-frequency inversion integrated power supply and receiving terminal power supply machine functional mapping device.
(2) electromagnetic field optimisation technique；
With system maximal efficiency and least cost as optimization aim, improve the high loop construction of lateral shift tolerance and set with parameter
Meter method, it is possible to increase the method for the coil coefficient of coup and quality factor.According to the environment of ground surface end, electricity consumption end technical requirements and
Overall performance requires to propose the design constraint to coil, it is important that volume, weight, the coefficient of coup, quality factor, skew tolerance
Degree, electromagnetic radiation intensity etc..
(3) automatic positioning technology；
The method setting up coil position positioning.The transverse shifting technology of research receiving coil, is realized no with transmitting coil with magnetic force
Line is powered self-aligning method, exploitation corresponding be aligned prompting display lamp technology.
What the present invention reached has the technical effect that
The present invention is in underground preburied wireless power facility with tessellated form, and each cross point sets a discharger, uses
Electric equipment installs reception device, by the power supply state of each point position of Based Intelligent Control, finally makes each electric terminal realize wireless confession
Electricity, is no longer put by ground slot and is limited, realize the wireless power in 10-30 cm range between ground to electrical equipment.
Brief description
Fig. 1 is the arrangement schematic diagram of the discharger of the present invention.
Fig. 2 is the transmitting end-coil of the present invention and receives end-coil schematic diagram.
Fig. 3 is the theory diagram of the present invention.
Fig. 4 be reception device and the discharger of the present invention be automatically positioned schematic diagram.
Specific embodiment
As Figure 1-3, museum's Special movable wireless power supply system, includes the wireless confession being embedded in museum underground
Electric facility, the reception device being disposed in each electrical equipment, described wireless power facility includes several dischargers, often
Individual discharger is electrically connected with distribution box by power line；Described discharger includes the rectification circuit being sequentially connected electrically, work(
Rate factor correcting circuit, inverter, impedance inverter circuit, transmitting end-coil, the signal input part of inverter connects emission control
Circuit, countdown circuit is bi-directionally connected with transmitting terminal radio communication circuit；Described reception device includes and is sequentially connected electrically
Receive end-coil, load compensation circuit, rectifier filter circuit, dc-dc circuit, also include receiving terminal radio communication electricity
Road, receiving terminal radio communication circuit is bi-directionally connected with receiving control circuit.
The input of the rectification circuit of discharger is connected with 220v alternating voltage.
Electrical equipment using or in the case of not using two kinds of electric power, connect the dc-dc electricity of reception device by holding wire
The outfan on road and the input receiving control circuit, send instruction and control its working condition.
The innovative point of the present invention:
(1) degree of innovation: electricity consumption of arranging exhibits in museum now is all to insert from ground or wall is inserted and drawn, because limited amount is inserted so cloth in ground
The motility of exhibition is very poor, is unfavorable for electric terminal (packaged type showcase, TV, touch screen integrated machine, interactive electronic equipment)
Put, the system overcomes these problems, concrete advantage has the following aspects:
A) do not use interim wire casing thus reducing potential safety hazard.
B) exhibition Chen Biangeng, without rewiring, saves wire rod and labour cost, is to have good warp in the long run every time
Ji benefit.
C) electric terminal can adjust without wiring temporarily, is very meaningful for the exhibition industry very high to time requirement
's.
D) the system realizes the automatic aligning adjustment of feeder ear and receiving terminal
(2) technical advance: the electric power system of this Project-developing has excellent performance indications, structure is simple, and system is end-to-end
Up to 91%, up to 20 centimetres, integral level is in international most advanced level to distance to maximal efficiency.
(3) concrete innovative point and implementation
A) it is automatically positioned innovation: location technology can ensure that wireless power supply system works in maximum efficiency areas all the time, also protect simultaneously
Demonstrate,prove user and neatly need not put electrical equipment, demand of comprehensively realizing arranging exhibits.
As shown in figure 4, receiving terminal adopt square frame structure, center connect can 360 rotation slide rails, receiving coil can
Move freely below slide rail, when electrical equipment is close to supply terminals position, the strong magnetic of the hub of a spool on point position can automatic suction
Receiving coil, makes transmitting terminal and receiving terminal be in maximum efficiency areas all the time.
B) control technology innovation: by conventional hand-held intelligent terminal (supporting ios, android, windows system equipment)
Monitor and the working condition of each transmitting terminal is set it is ensured that the transmitting coil of non-loaded equipment is in off-position, amplitude peak
Reduce electromagnetic radiation and energy consumption it is ensured that security of system.
Claims (4)
1. museum's Special movable wireless power supply system it is characterised in that: include the wireless power being embedded in museum underground
Facility, the reception device being disposed in each electrical equipment, described wireless power facility includes several dischargers, each
Discharger is electrically connected with distribution box by power line；Described discharger includes the rectification circuit being sequentially connected electrically, power
Factor correcting circuit, inverter, impedance inverter circuit, transmitting end-coil, the signal input part of inverter connects emission control electricity
Road, countdown circuit is bi-directionally connected with transmitting terminal radio communication circuit；Described reception device includes connecing of being sequentially connected electrically
Receiving end coil, load compensation circuit, rectifier filter circuit, dc-dc circuit, also include receiving terminal radio communication circuit,
Receiving terminal radio communication circuit is bi-directionally connected with receiving control circuit.
2. museum according to claim 1 Special movable wireless power supply system it is characterised in that: described discharger
The input of rectification circuit be connected with 220v alternating voltage.
3. museum according to claim 1 Special movable wireless power supply system it is characterised in that: described electrical equipment
Using or in the case of not using two kinds of electric power, connect outfan and the reception of the dc-dc circuit of reception device by holding wire
The input of control circuit, sends instruction and controls its working condition.
4. museum according to claim 1 Special movable wireless power supply system it is characterised in that: described power supply facilities
Underground is embedded in tessellated form, each cross point tessellated is arranged a discharger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848739.7A CN106340971A (en) | 2016-09-23 | 2016-09-23 | Movable wireless power supply system for exhibition hall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848739.7A CN106340971A (en) | 2016-09-23 | 2016-09-23 | Movable wireless power supply system for exhibition hall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106340971A true CN106340971A (en) | 2017-01-18 |
Family
ID=57839198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610848739.7A Pending CN106340971A (en) | 2016-09-23 | 2016-09-23 | Movable wireless power supply system for exhibition hall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106340971A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877520A (en) * | 2017-04-12 | 2017-06-20 | 北京聚精瑞生医疗科技有限公司 | Operating room wireless power supply system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100219183A1 (en) * | 2007-11-19 | 2010-09-02 | Powermat Ltd. | System for inductive power provision within a bounding surface |
| CN102969776A (en) * | 2012-12-03 | 2013-03-13 | 中国科学院电工研究所 | Wireless charging device of electronic automobile |
-
2016
- 2016-09-23 CN CN201610848739.7A patent/CN106340971A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100219183A1 (en) * | 2007-11-19 | 2010-09-02 | Powermat Ltd. | System for inductive power provision within a bounding surface |
| CN102969776A (en) * | 2012-12-03 | 2013-03-13 | 中国科学院电工研究所 | Wireless charging device of electronic automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877520A (en) * | 2017-04-12 | 2017-06-20 | 北京聚精瑞生医疗科技有限公司 | Operating room wireless power supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |
|
| RJ01 | Rejection of invention patent application after publication |