CN208028209U

CN208028209U - A kind of handhold RFID radio-frequency antenna

Info

Publication number: CN208028209U
Application number: CN201820338535.3U
Authority: CN
Inventors: 孙斌; 何健; 徐�明
Original assignee: Wuxi Branch Polytron Technologies Inc
Current assignee: Wuxi Branch Polytron Technologies Inc
Priority date: 2018-03-12
Filing date: 2018-03-12
Publication date: 2018-10-30
Anticipated expiration: 2028-03-12

Abstract

The utility model discloses a kind of handhold RFID radio-frequency antennas, including equipment shell and hand-held bandage, the equipment shell is internally provided with medium substrate, conductor patch is installed on the side side wall of the medium substrate, the bottom of the conductor patch is connected with microstrip feed line, the side of the medium substrate is provided with display screen, the display screen is mounted on equipment shell, the side of the display screen is provided with lettering pen, the lettering pen is fixed on the side of equipment shell, and control button is provided with below the display screen.By designing microstrip feed line and conductor patch, directive antenna is used, interference with less radiation mode and return loss, impedance can be with the input resistant matching of label chip, and gain is big, can improve the operating distance of antenna, its greatest irradiation direction can be mapped within the scope of end-fire from side and adjust, readily available various polarization, body volume is small, easy to use.

Description

A kind of handhold RFID radio-frequency antenna

Technical field

The utility model belongs to RFID handheld terminal technical fields, and in particular to a kind of handhold RFID radio-frequency antenna.

Background technology

RFID handheld terminals are also known as PDA.It has RFID read-write function, can be distinguished to RFID tag.It is one Group has the hardware of specific function.PDA, also known as palm PC can help us to complete to work on the move, learn, amusement Deng.Classify by using, is divided into technical grade PDA and consumer goods PDA.Technical grade PDA is mainly used in industrial circle, common are Barcode scanner, RFID reader, POS machine etc. can be referred to as PDA；The comparison that consumer goods PDA includes is more, and smart mobile phone is put down Plate computer, hand-held game machine etc..PDA is the meaning of personal digital assistant.As the term suggests being exactly the number for assisting personal work Tool, it is main that the functions such as account, address list, business card exchange and routing are provided.Radio frequency identification, that is, RFID technique, also known as electronics Label, radio frequency identification are a kind of communication technologys, can identify specific objective by radio signals and read and write related data, Without establishing mechanical or optical contact between identifying system and specific objective.It is passive there are commonly low frequency, high frequency, hyperfrequency Etc. technologies.RFID reader also divides mobile and fixed, and RFID technique application is very wide, such as：Library, access control system, Food security is traced to the source.

Existing technology has the following problems：1, when using hand held antenna, other a large amount of approaching objects make Common radio-frequency antenna microwave antenna radiation mode serious distortion；2, not comfortable enough when used for a long time in staff, it may go out Existing hand is uncomfortable, causes to fall damage, has seriously affected the service life of equipment.

Utility model content

To solve the problems mentioned above in the background art.The utility model provides a kind of handhold RFID radio-frequency antenna, Have the characteristics that function and effect are good.

To achieve the above object, the utility model provides the following technical solutions：A kind of handhold RFID radio-frequency antenna, including set Standby host shell and hand-held bandage, the equipment shell are internally provided with medium substrate, pacify on the side side wall of the medium substrate Equipped with conductor patch, the bottom of the conductor patch is connected with microstrip feed line, and the side of the medium substrate is provided with display screen, The display screen is mounted on equipment shell, and the side of the display screen is provided with lettering pen, and the lettering pen is fixed on equipment The side of casing is provided with control button below the display screen, input keyboard, institute is provided with below the control button It states control button and input keyboard is installed on the side outer wall of equipment shell, set on the other side outer wall of the equipment shell It sets there are two symmetrical grooves, the inside of the groove is mounted on installation axle, and the both ends of the hand-held bandage are both provided with connection End, on the mounting shaft, the hand-held bandage is fixed on the side of equipment shell by connection end for the connection end installation, Multiple equally distributed buffer stoppers are provided on the side wall of the equipment shell.

Preferably, the conductor patch and the connection type of medium substrate are adhesion.

Preferably, the connection type of the display screen and equipment shell is embedded.

Preferably, magic patch is provided on the connection end, the connection end is socketed in peace by velcro cloth It fills on axis.

Preferably, the buffer stopper is an integral structure with equipment shell.

Preferably, the connection type of the lettering pen and equipment shell is to be connected together.

Compared with prior art, the utility model has the beneficial effects that：

1, the utility model has used directive antenna, has had less spoke by designing microstrip feed line and conductor patch The interference of emission mode and return loss, impedance can be with the input resistant matchings of label chip, and gain is big, can improve antenna Operating distance, greatest irradiation direction can be mapped within the scope of end-fire from side and adjust, readily available various polarization, body volume Small, easy to use, shape fashion is light and handy, convenient for doing various applications in mobile occasion.

2, the back side of the utility model casing is provided with hand-held bandage, and hand can be passed through bandage fixed equipment by when use, The grip needed is reduced, it is reasonable in design so that experience is more comfortable when equipment holds, operates for a long time, and it is convenient to hold, machine Each face of shell is mounted on buffer stopper, can reduce the impact to internal structure when falling ground, easily cope with severe work Industry use environment extends the service life of device.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the rearview of the utility model；

In figure：1, equipment shell；2, microstrip feed line；3, medium substrate；4, conductor patch；5, lettering pen；6, display screen；7, Control button；8, buffer stopper；9, keyboard is inputted；10, bandage is held；11, connection end；12, installation axle；13, groove.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides following technical scheme：A kind of handhold RFID radio-frequency antenna, including equipment Casing 1 and hand-held bandage 10, equipment shell 1 are internally provided with medium substrate 3, are equipped on the side side wall of medium substrate 3 Conductor patch 4, conductor patch 4 and the connection type of medium substrate 3 are adhesion, and the bottom of conductor patch 4 is connected with microstrip feed line 2, the side of medium substrate 3 is provided with display screen 6, and display screen 6 is mounted on equipment shell 1, display screen 6 and equipment shell 1 Connection type is embedded, and the side of display screen 6 is provided with lettering pen 5, and lettering pen 5 is fixed on the side of equipment shell 1, lettering pen 5 with the connection type of equipment shell 1 be to be connected together, and the lower section of display screen 6 is provided with control button 7, the lower section of control button 7 It is provided with input keyboard 9, control button 7 and input keyboard 9 are installed on the side outer wall of equipment shell 1, equipment shell 1 There are two symmetrical grooves 13, the inside of groove 13 to be mounted on installation axle 12 for setting on the outer wall of the other side, holds the two of bandage 10 End is both provided with connection end 11, and connection end 11 is mounted in installation axle 12, and magic patch is provided on connection end 11, even It connects end 11 to be socketed in installation axle 12 by velcro cloth, hand-held bandage 10 is fixed on equipment shell 1 by connection end 11 Side, be provided with multiple equally distributed buffer stoppers 8 on the side wall of equipment shell 1, buffer stopper 8 is integrated with equipment shell 1 Formula structure.

The operation principle and process for using of the utility model：When utility model works, pressed by inputting keyboard 9 and control 7 setting program of button, hand pass through hand-held bandage 10 to hold the label that equipment is strafed on object, and equipment is sent certain by transmitting antenna The radiofrequency signal of frequency obtains energy and is swashed when radio-frequency card label enters equipment working region with generation induced current, label It is living, the information such as itself coding are sent by transmission antenna built in card, antenna part is by microstrip feed line 2,3 and of medium substrate Conductor patch 4 forms, and is mounted on 1 head of equipment shell, and antenna forms equivalent magnetic current source in electric current discontinuity point, by changing each magnetic The position of stream, changes the directionality of antenna, and system receives the carrier signal sent from label, solved to received signal It reconciles and decodes, be then delivered to backstage main system and carry out relevant treatment, main system judges the legitimacy of the card, needle according to logical operation Corresponding processing and control are made to different settings, send out the action of command signal control executing agency.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of handhold RFID radio-frequency antenna, including equipment shell (1) and hand-held bandage (10), it is characterised in that：The equipment Casing (1) is internally provided with medium substrate (3), and conductor patch (4) is equipped on the side side wall of the medium substrate (3), The bottom of the conductor patch (4) is connected with microstrip feed line (2), and the side of the medium substrate (3) is provided with display screen (6), The display screen (6) is mounted on equipment shell (1), and the side of the display screen (6) is provided with lettering pen (5), the writing Pen (5) is fixed on the side of equipment shell (1), is provided with control button (7) below the display screen (6), the control is pressed Input keyboard (9) is provided with below button (7), the control button (7) and input keyboard (9) are installed in equipment shell (1) Side outer wall on, setting is there are two symmetrical grooves (13) on the other side outer wall of the equipment shell (1), the groove (13) Inside be mounted on installation axle (12), the both ends of the hand-held bandage (10) are both provided with connection end (11), the connection End (11) is mounted in installation axle (12), and the hand-held bandage (10) is fixed on equipment shell (1) by connection end (11) Side, be provided with multiple equally distributed buffer stoppers (8) on the side wall of the equipment shell (1).

2. a kind of handhold RFID radio-frequency antenna according to claim 1, it is characterised in that：The conductor patch (4) and Jie The connection type of matter substrate (3) is adhesion.

3. a kind of handhold RFID radio-frequency antenna according to claim 1, it is characterised in that：The display screen (6) and equipment The connection type of casing (1) is embedded.

4. a kind of handhold RFID radio-frequency antenna according to claim 1, it is characterised in that：It is set on the connection end (11) It is equipped with magic patch, the connection end (11) is socketed in by velcro cloth in installation axle (12).

5. a kind of handhold RFID radio-frequency antenna according to claim 1, it is characterised in that：The buffer stopper (8) and equipment Casing (1) is an integral structure.

6. a kind of handhold RFID radio-frequency antenna according to claim 1, it is characterised in that：The lettering pen (5) and equipment The connection type of casing (1) is to be connected together.