CN207217743U - A kind of electronic installation with flat-panel monitor and NFC antenna - Google Patents
A kind of electronic installation with flat-panel monitor and NFC antenna Download PDFInfo
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- CN207217743U CN207217743U CN201720675369.1U CN201720675369U CN207217743U CN 207217743 U CN207217743 U CN 207217743U CN 201720675369 U CN201720675369 U CN 201720675369U CN 207217743 U CN207217743 U CN 207217743U
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- flat
- panel monitor
- nfc antenna
- lower cover
- main body
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Abstract
It the utility model is related to a kind of electronic installation with flat-panel monitor and NFC antenna, including flat-panel monitor main body, metallic shield, NFC communicates indicator panel, anti- shielding construction and NFC antenna, described metallic shield is made up of upper outlet body and lower cover, described flat-panel monitor main body is arranged between upper outlet body and lower cover, described upper outlet body and lower cover mutually fasten, and flat-panel monitor main body is fixed, described NFC communication indicator panels are arranged on the front of flat-panel monitor main body, described anti-shielding construction is arranged on the lower cover of metallic shield, described NFC antenna is connected with anti-shielding construction.The design can significantly reduce flat-panel monitor metallic shield eddy current effect to the NFC adverse effects communicated and have the advantages of simple in construction, easily fabricated and practicality and high efficiency.
Description
Technical field
It the utility model is related to near-field communication field, particularly a kind of electronics dress with flat-panel monitor and NFC antenna
Put.
Background technology
NFC (Near Field Communication --- near-field communication) technology is that a kind of communication distance arrives at several centimeters
1st, 2 meters of Near Field Communication technology, the working frequency that it is used are 13.56MHz, and the both sides of communication use annular inductance coil
As antenna, energy transmission and data interaction are carried out using the magnetic coupling effect of coil：Initiating equipment opens radiofrequency field, its day
Alternating magnetic field caused by alternating current in line is coupled on the antenna of target side, on the antenna of target side produce induced potential and
Electric current, complete the transmission of energy and information from initiating equipment to target side；Target side changes its antenna impedance and draws or open its electricity
Magnetic field causes the change of initiating equipment antenna terminal voltage, completes information transfer of the data from target side to initiating equipment.
When metal material be present around NFC device antenna, alternating magnetic field meeting caused by coil during radiofrequency field is opened
Induced current is produced in a metal to be vortexed, the vortex can produce the Induced magnetic field with foregoing alternating magnetic field opposite in phase, so as to
Magnetic field caused by weakening NFC device, reduces NFC energy and the transmission performance of information, for example causes operating distance to reduce, produce
Blind area etc..Metal material area is bigger, resistance is smaller, the upright position up and down away from aerial coil plane is nearer, the eddy current effect
More serious, the influence to NFC communication performances is bigger.
This kind of common NFC device of NFC device, especially non-contact card read write line, for convenience of the operation of user, NFC
The most suitable position of operating area is the front of product, while larger NFC antenna can obtain larger opereating specification, is obtained
Preferable Consumer's Experience.But the display of large-size and being arranged in juxtaposition for the NFC antenna of large-size can dramatically increase equipment
Area and volume, influence the visual effect of equipment, also limit the mode of appearance of product, have impact on the flexibility of design.
The content of the invention
The purpose of this utility model is to provide one kind when NFC antenna is positioned over plate aerial back by display metal
The eddy current effect of radome significantly reduces and ensures the scheme of NFC performances, so as to by NFC antenna and flat-panel monitor lamination
Stack, allow the NFC product appearances with large-size flat-panel monitor are more novel, succinct, and volume can also accordingly reduce.
To solve above-mentioned technical problem, structure of the present utility model includes
Flat-panel monitor main body,
Metallic shield, described metallic shield are made up of upper outlet body and lower cover, described flat-panel monitor
Main body is arranged between upper outlet body and lower cover, and described upper outlet body and lower cover mutually fasten and flat-panel monitor main body carried out
It is fixed,
NFC communicates indicator panel, and described NFC communication indicator panels are arranged on the front of flat-panel monitor main body,
Anti- shielding construction, described anti-shielding construction are arranged on the lower cover of metallic shield,
NFC antenna, described NFC antenna are connected with anti-shielding construction.
Further：Described anti-shielding construction is engraved structure, and described engraved structure is arranged on the back of lower cover, institute
The NFC antenna stated is removably mounted at the center at engraved structure back.
Further：Described anti-shielding construction is lattice structure, and described lattice structure is arranged on the back of lower cover,
Described NFC antenna is removably mounted at the center at lattice structure back.
Further：Described anti-shielding construction is ferrite, described ferrite be arranged on flat-panel monitor main body with
Between lower cover, described NFC antenna is arranged between ferrite and flat-panel monitor main body, and described NFC antenna is detachable
Ground is arranged at the center of ferrite upper surface.
Further：The depressed part for installing ferrite and NFC antenna is provided with described lower cover.
Further：Described ferritic size is more than the size of NFC antenna.
Further：Electric capacity or electric resistance touch screen are additionally provided with the front of described flat-panel monitor main body.
After said structure, the utility model sets anti-shielding to tie by being communicated in NFC between indicator panel and NFC antenna
Structure reduces influence of the metallic shield to signal of communication, adds its practical performance；And the design also has structure letter
The advantages of single, easily fabricated and practicality and high efficiency.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the structural representation of the utility model embodiment one and embodiment two.
Fig. 2 is the structural representation of the utility model embodiment three.
Embodiment
Embodiment one
The utility model as shown in Figure 1 provides a kind of electronic installation with flat-panel monitor and NFC antenna, including flat
Panel display main body 1, metallic shield, NFC communications indicator panel, anti-shielding construction and NFC antenna 3, described metallic shield
It is made up of upper outlet body 2-1 and lower cover 2-2, described flat-panel monitor main body 1 is arranged on upper outlet body 2-1 and lower cover 2-
Between 2, described upper outlet body 2-1 and lower cover 2-2 are mutually fastened and flat-panel monitor main body 1 are fixed, and described NFC leads to
News indicator panel is arranged on the front of flat-panel monitor main body 1, and described anti-shielding construction is arranged on the lower cover of metallic shield
On body 2-2, described NFC antenna 3 is connected with anti-shielding construction, and electricity is additionally provided with the front of described flat-panel monitor main body 1
Appearance or electric resistance touch screen.Metallic shield in the design is used to be electromagnetically shielded flat-panel monitor main body 1 and machinery
Reinforce, NFC antenna 3 sends radiofrequency field and reception energy under the driving of NFC controller or information, the utility model are especially suitable
In non-contact card read-write terminal, the design sets anti-shielding construction to reduce by being communicated in NFC between indicator panel and NFC antenna
Influence of the metallic shield to signal of communication, adds its practical performance.
Above-mentioned anti-shielding construction is engraved structure, and described engraved structure is arranged on lower cover 2-2 back, described
NFC antenna 3 is removably mounted at the center at engraved structure back.
Embodiment two
Embodiment two is roughly the same with the structure of embodiment one, and it distinguishes the structure of the anti-shielding construction described in being not
Together, the anti-shielding construction in embodiment two is lattice structure, and described lattice structure is arranged on lower cover 2-2 back, institute
The NFC antenna 3 stated is removably mounted at the center at lattice structure back.Lattice structure ensure that certain shield effectiveness
In the case of, negative function of the eddy current effect to the magnetic field intensity of NFC operating areas is reduced, NFC performances are ensured.
Embodiment three
Embodiment three is roughly the same with the structure of embodiment one, and it distinguishes the structure of the anti-shielding construction described in being not
Together, the anti-shielding construction in embodiment three as shown in Fig. 2 described anti-shielding construction is ferrite 6, pacify by described ferrite 6
Between flat-panel monitor main body 1 and lower cover 2-2, described NFC antenna 3 is arranged on ferrite 6 and flat-panel monitor master
Between body 1, described NFC antenna 3 is removably mounted at the center of the upper surface of ferrite 6, is set on described lower cover 2-2
The depressed part for installing ferrite 6 and NFC antenna 3 is equipped with, the size of described ferrite 6 is more than the size of NFC antenna 3.
Because the permeability of ferrite 5 is big more than surrounding space, the magnetic line of force caused by NFC antenna coil 3 in screen layer side can be big
Portion causes the magnetic flux through screen layer to greatly reduce, caused eddy current effect also accordingly weakens in screen layer, leads to by ferrite
Cross and NFC antenna is suitably tuned, NFC performances can be made to reach the requirement of product design regulation.
Although embodiment of the present utility model is described in detail, it should be understood that, without departing from this reality
In the case of with new spirit and scope, various changes, replacement and change can be made to embodiment of the present utility model.
Claims (7)
- A kind of 1. electronic installation with flat-panel monitor and NFC antenna, it is characterised in that：IncludingFlat-panel monitor main body (1),Metallic shield, described metallic shield are made up of upper outlet body (2-1) and lower cover (2-2), described flat board Display unit main body (1) is arranged between upper outlet body (2-1) and lower cover (2-2), described upper outlet body (2-1) and lower cover (2- 2) mutually fasten and flat-panel monitor main body (1) be fixed,NFC communicates indicator panel, and described NFC communication indicator panels are arranged on the front of flat-panel monitor main body (1),Anti- shielding construction, described anti-shielding construction are arranged on the lower cover (2-2) of metallic shield,NFC antenna (3), described NFC antenna (3) are connected with anti-shielding construction.
- A kind of 2. electronic installation with flat-panel monitor and NFC antenna according to claim 1, it is characterised in that：Institute The anti-shielding construction stated is engraved structure, and described engraved structure is arranged on lower cover (2-2) back, described NFC antenna (3) it is removably mounted at the center at engraved structure back.
- A kind of 3. electronic installation with flat-panel monitor and NFC antenna according to claim 1, it is characterised in that：Institute The anti-shielding construction stated is lattice structure, and described lattice structure is arranged on lower cover (2-2) back, described NFC antenna (3) it is removably mounted at the center at lattice structure back.
- A kind of 4. electronic installation with flat-panel monitor and NFC antenna according to claim 1, it is characterised in that：Institute The anti-shielding construction stated is ferrite (6), and described ferrite (6) is arranged on flat-panel monitor main body (1) and lower cover (2-2) Between, described NFC antenna (3) is arranged between ferrite (6) and flat-panel monitor main body (1), described NFC antenna (3) It is removably mounted at the center of ferrite (6) upper surface.
- A kind of 5. electronic installation with flat-panel monitor and NFC antenna according to claim 4, it is characterised in that：Institute It is provided with the lower cover (2-2) stated for installing ferrite (6) and the depressed part of NFC antenna (3).
- A kind of 6. electronic installation with flat-panel monitor and NFC antenna according to claim 5, it is characterised in that：Institute The size for the ferrite (6) stated is more than the size of NFC antenna (3).
- A kind of 7. electronic installation with flat-panel monitor and NFC antenna according to claim 1, it is characterised in that：Institute Electric capacity or electric resistance touch screen are additionally provided with the front for the flat-panel monitor main body (1) stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720675369.1U CN207217743U (en) | 2017-06-10 | 2017-06-10 | A kind of electronic installation with flat-panel monitor and NFC antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720675369.1U CN207217743U (en) | 2017-06-10 | 2017-06-10 | A kind of electronic installation with flat-panel monitor and NFC antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217743U true CN207217743U (en) | 2018-04-10 |
Family
ID=61811797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720675369.1U Active CN207217743U (en) | 2017-06-10 | 2017-06-10 | A kind of electronic installation with flat-panel monitor and NFC antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217743U (en) |
-
2017
- 2017-06-10 CN CN201720675369.1U patent/CN207217743U/en active Active
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