CN202998667U - Communication terminal apparatus preventing electromagnetic leakage, and PCB board and radio frequency connector thereof - Google Patents
Communication terminal apparatus preventing electromagnetic leakage, and PCB board and radio frequency connector thereof Download PDFInfo
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- CN202998667U CN202998667U CN 201220645228 CN201220645228U CN202998667U CN 202998667 U CN202998667 U CN 202998667U CN 201220645228 CN201220645228 CN 201220645228 CN 201220645228 U CN201220645228 U CN 201220645228U CN 202998667 U CN202998667 U CN 202998667U
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- radio frequency
- frequency connector
- radome
- pcb board
- pad
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Abstract
The utility model provides a communication terminal apparatus preventing electromagnetic leakage, and a PCB board and a radio frequency connector thereof. The communication terminal apparatus preventing the electromagnetic leakage comprises the PCB board, and a shielding cover and the radio frequency connector which are installed on the PCB board. The edge of the PCB board is provided with an opening. The two side wall surfaces of the opening are provided with side surface metallization layers. A main body of the radio frequency connector is embedded into the opening. A first welding disc, two second welding discs, and third welding discs are arranged on the surface of the PCB board. The third welding discs are connected with the two second welding discs. The first welding disc is welded with a radio frequency signal welding foot of the radio frequency connector. The two second welding discs are respectively connected with two ground wire welding feet of the radio frequency connector and respectively welded with two installation surfaces of the radio frequency connector. The third welding discs are welded with the shielding cover. The side surface metallization layers are welded with installation side surfaces of the radio frequency connector. In the communication terminal apparatus preventing the electromagnetic leakage, the radio frequency connector is relatively high in installation strength and relatively good in electrical performance.
Description
Technical field
The utility model relates to electronic device field, relates in particular to a kind of communication terminal device and pcb board and radio frequency connector that prevents electromagnetic leakage.
Background technology
At present, the communication terminal device integrated level is more and more higher.Usually adopt large plate scheme in communication terminal device.So-called large plate scheme is made in all circuit such as multichannel power amplifier, radio frequency, intermediate frequency, base band, power supply on an independent printed circuit board (PCB) (pcb board) exactly.The purpose of doing like this is to be convenient to the miniaturization layout for communication terminal device on the one hand, is also to connect the each several part circuit by direct track on the other hand, thereby reduces the connector of each several part circuit.But, even like this, also keep away and power amplifier module unavoidably be set to the I/O port of antenna.This I/O port is generally with radio frequency connector (as MMCX etc.) switching.In order to guarantee the power amplifier module electrical property, often add a radome on power amplifier modular circuit, like this, the radio frequency that just must guarantee the I/O port of power amplifier module connect and radome between excellent electric contact is arranged, and guarantee that shielding is covered with good ground connection property.
Usually, when radio frequency connector horizontal output pcb board, the radio frequency connector horizontal welding is connected on pcb board, the I/O port of power amplifier module is that radio frequency connector or track are directly passed the radome side so, at this moment, the radome side need to open a gap in I/O port corresponding position corresponding to power amplifier module, and the size of this breach must meet the principle of the perforate of Electromagnetic Compatibility.Outside radio frequency connector is arranged on radome, from radome away from, or the gap between radome and pcb board is long, can cause leakage, affect the unit for electrical property parameters of equipment, specifically see Fig. 1 with shown in institute 2, in figure, radome 101 is installed on pcb board 102 with radio frequency connector 103, the distance L apart from each other between radio frequency connector 103 and radome 101.
For less radio frequency connector (as MMCX etc.), usually when level welding radio frequency connector, just weld three pin on radio frequency connector, when repeatedly plugging RF cable, the radio frequency connector seat easily separates with pcb board, makes the communication terminal device cisco unity malfunction.
For above-mentioned Similar Problems, the solution of general communication terminal device is, leaks in order to prevent the radio frequency I/O port, often radio frequency connector taken out radome, and radio frequency connector is apart from radome one segment distance.But this solution can also solve for sensitivity is less demanding, is more difficult realization but sensitivity requires height.
Be contained in situation on pcb board for above-mentioned radio frequency connector, there are the following problems when final assembly;
1) radio frequency connector seat and pcb board are the leg welding, and when repeatedly plugging radio frequency connector, the radio frequency connector seat easily separates with pcb board, affects electrical property;
2) gap on radome, the size of breach must meet the principle of the perforate of EMC, otherwise affects electrical property;
3) radio frequency connector is installed outside radome, and radio frequency connector also will meet the principle of the perforate of EMC apart from the radome distance, otherwise affects electrical property;
4) space availability ratio is low.
The utility model content
Main purpose of the present utility model is to provide a kind of communication terminal device and pcb board and radio frequency connector that prevents electromagnetic leakage, is intended to improve installation strength and the electrical property of radio frequency connector.
to achieve these goals, the utility model provides a kind of communication terminal device that prevents electromagnetic leakage, comprise pcb board, and be arranged on radome and radio frequency connector on described pcb board, described radio frequency connector comprises main body, and cross the radiofrequency signal leg by described main body one end extended two places wire bonding pin and, described two places wire bonding pin laid respectively at the both sides of radiofrequency signal leg, the bottom of described main body caves inward respectively in both sides and is formed with installed surface and the side is installed in each side, the edge of described pcb board is provided with opening, and be formed with the side metal layer in the two side walls of described opening, the main body of described radio frequency connector embeds in the opening of pcb board, the surface of described pcb board is provided with the first pad, two second pads and the 3rd pad, described two second pads lay respectively at the both sides of the first pad, described the 3rd pad is connected with described two second pads, described the first pad welds mutually with the mistake radiofrequency signal leg of radio frequency connector, described two second pads weld mutually with the two places wire bonding pin of radio frequency connector respectively, and weld mutually with two installed surfaces of radio frequency connector respectively, described the 3rd pad welds mutually with radome, weld mutually the installation side of described side metal layer and radio frequency connector, described radio frequency connector is positioned at a side of radome, the mistake radiofrequency signal leg of the corresponding radio frequency connector in the lower end of described radome is provided with breach.
Preferably, described the second pad and the 3rd pad are on the copper sheet that is connected with layer.
Preferably, described radio frequency connector is positioned at the outside and the close radome setting of radome, and described radio frequency connector is 0 ~ 1mm apart from the distance of radome.
Preferably, the width of the breach of described radome is greater than the diameter of the mistake radiofrequency signal leg of radio frequency connector and less than the distance between the wire bonding pin of two places, and the height of the breach of described radome is greater than the diameter of the mistake radiofrequency signal leg of radio frequency connector.
Preferably, the main part of described radio frequency connector stretches in radome, and the top that described shielding covers in breach is formed with elastic card, and described elastic card is resisted against on the main body of radio frequency connector.
Preferably, described pcb board is provided with fabrication hole in the corner of its opening inboard.
Preferably, described radome comprises sidewall and is positioned at the top cover on sidewall top, and described sidewall and top cover are made of one piece.
Preferably, described radome comprises sidewall and is positioned at the top cover on sidewall top, and described top cover is removably mounted on sidewall.
the utility model also provides a kind of pcb board, be used for communication terminal device so that radio frequency connector and radome to be installed, the edge of described pcb board is provided with opening to be used for the body of accommodating radio frequency connector, and be formed with the side metal layer in the two side walls of described opening and weld mutually with the installation side of radio frequency connector being used for, the surface of described pcb board is provided with the first pad, two second pads and the 3rd pad, described two second pads lay respectively at the both sides of the first pad, described the 3rd pad is connected with described two second pads, described the first pad is used for welding mutually with the mistake radiofrequency signal leg of radio frequency connector, described two second pads are used for respectively welding mutually with the two places wire bonding pin of radio frequency connector, and be used for respectively welding mutually with two installed surfaces of radio frequency connector, described the 3rd pad is used for welding mutually with radome.
The utility model also provides a kind of radio frequency connector, described radio frequency connector comprises main body, reaches by described main body one end extended two places wire bonding pin and and cross the radiofrequency signal leg, described two places wire bonding pin laid respectively at the both sides of radiofrequency signal leg, and the bottom of described main body caves inward respectively in both sides and is formed with installed surface and the side is installed in each side.
The utility model prevents in the communication terminal device of electromagnetic leakage, welding by the welding of installed surface and ground wire leg and the second pad, the welding that side and side metal layer are installed and mistake radiofrequency signal leg and the first pad between radio frequency connector and pcb board is fixed, make the welding between radio frequency connector and pcb board more firm, thereby improve the number of times of anti-plug of radio frequency connector; By being connected with the second pad of the ground wire leg that is used for the welding radio frequency connector for the 3rd pad of welding radome, there is good contacting in the gap that can guarantee the I/O port place of radio frequency connector and the radome of radio-frequency module, thereby guarantees the electrical property of electronic equipment.
Description of drawings
Fig. 1 a is the assembling schematic diagram of existing radome and radio frequency connector;
Fig. 1 b is along the cutaway view of A-A line in Fig. 1 a;
Fig. 2 is the assembling view that the utility model prevents communication terminal device first embodiment of electromagnetic leakage;
Fig. 3 is the partial view of pcb board in the communication terminal device that prevents electromagnetic leakage shown in Figure 2;
Fig. 4 a is the front view of radio frequency connector;
Fig. 4 b is the left view of radio frequency connector shown in Fig. 4 a;
Fig. 4 c is the vertical view of radio frequency connector shown in Fig. 4 a;
Fig. 5 a is the front view of radome;
Fig. 5 b is the right view of radome shown in Fig. 5 a;
Fig. 5 c is the B-B cutaway view of Fig. 5 a;
Fig. 6 is the assembling view that the utility model prevents communication terminal device second embodiment of electromagnetic leakage;
Fig. 7 a is the front view of radome;
Fig. 7 b is the left view of radome shown in Fig. 7 a;
Fig. 7 c is the C-C cutaway view of Fig. 7 a.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Fig. 2 to Fig. 5 c, prevent the first embodiment of the communication terminal device of electromagnetic leakage for the utility model.
The described communication terminal device that prevents electromagnetic leakage comprises pcb board 202 and is arranged on radome 201 and radio frequency connector 203 on described pcb board 202.
As shown in Fig. 4 a to Fig. 4 c, described radio frequency connector 203 comprises main body 203-0, reaches by described main body 203-0 one end extended two places wire bonding pin 203-1 and and cross radiofrequency signal leg 203-5, described two places wire bonding pin 203-1 laid respectively at the both sides of radiofrequency signal leg 203-5, and the bottom of described main body 203-0 caves inward respectively in both sides and is formed with installed surface 203-3 and side 203-4 is installed in each side.
As shown in Figure 3, the edge of described pcb board 202 is provided with opening 202-0, and being formed with side metal layer 202-1 in the two side walls of described opening 202-0 by metallization, the installation side 203-4 of the main body 203-0 of described radio frequency connector 203 embeds in the opening 202-0 of pcb board 202.The surface of described pcb board 202 is provided with the first pad 202-3, two second pad 202-4 and the 3rd pad 202-5, wherein said two second pad 202-4 lay respectively at the both sides of the first pad 202-3, described the 3rd pad 202-5 is connected with described two second pad 202-4, that is to say, described the second pad 202-4 and the 3rd pad 202-5 are on the copper sheet that is connected with layer.Described the first pad 202-3 and the mistake radiofrequency signal leg 203-5 of radio frequency connector 203 weld mutually, described two second pad 202-4 weld mutually with the two places wire bonding pin 203-1 of radio frequency connector 203 respectively, and weld mutually with two installed surface 203-3 of radio frequency connector 203 respectively, that is to say, the second pad 202-4 stretches out and is formed with the extension that the installed surface 203-3 with radio frequency connector 203 welds mutually.Described side metal layer 202-1 and the installation side 203-4 of radio frequency connector 203 weld mutually.In addition, pcb board 202 is provided with fabrication hole 202-2 in the corner of its opening 202-0 inboard, to facilitate the installation of radio frequency connector 203.
Described radome 201 welds mutually that with described the 3rd pad 202-5 radome 201 is installed on pcb board 202, and described radio frequency connector 203 is positioned at a side of radome 201.Described radome 201 comprises sidewall 2011 and is positioned at the top cover 2012 on sidewall 2011 tops.In the present embodiment, described sidewall 2011 is made of one piece with top cover 2012, makes with convenient.In other embodiments, the sidewall 2011 of radome 201 can be also to separate making with top cover 2012, and then fit together, the sidewall 2011 that is radome 201 is welded on pcb board 202, top cover 2012 is removably mounted on sidewall 2011, like this can be after pcb board 202 assembling and settings be complete caping lid 2012 again, with convenient for maintaining and detection.As shown in Fig. 5 a to 5c, the mistake radiofrequency signal leg 203-5 of the corresponding radio frequency connector 203 in the lower end of the sidewall 2011 of described radome 201 is provided with breach 201-2 to guarantee the screening effectiveness of radome 201.In the present embodiment, described radio frequency connector 203 is positioned at the outside of radome 201 and arranges near radome 201, to improve the space availability ratio of pcb board 202, described radio frequency connector 203 is 0 ~ 1mm apart from the distance L 1 of radome 201, the width of the breach 201-2 of described radome 201 is greater than the diameter of the mistake radiofrequency signal leg 203-5 of radio frequency connector 203 and less than the distance between the wire bonding pin 203-1 of two places, and the height L2 of the breach 201-2 of described radome 201 is greater than the diameter of the mistake radiofrequency signal leg 203-5 of radio frequency connector 203.
the above-mentioned communication terminal device that prevents electromagnetic leakage is when assembling, first with the side metal layer 202-1 of pcb board 202, the first pad 202-3, the second pad 202-4 and the 3rd pad 202-5 brush scolder, then the installation side 203-4 that makes radio frequency connector 203 contacts with welding on the side metal layer 202-1 of pcb board 202, scolder on the second pad 202-4 of the installed surface 203-3 of radio frequency connector 203 and ground wire leg 203-1 and pcb board 202 is contacted, the mistake radiofrequency signal leg 203-5 that makes radio frequency connector 203 contacts with scolder on the first pad 202-3 of pcb board 202, the installed surface 201-1 that makes radome 201 contacts with scolder on the 3rd pad 202-5 of pcb board 202, and cross reflow soldering (SMT) together with good other device of Surface Mount on pcb board 202, thereby with radio frequency connector 203, radome 201 and other device are installed on pcb board 202.
In the above-mentioned communication terminal device that prevents electromagnetic leakage, welding by the welding of installed surface 203-3 and ground wire leg 203-1 and the second pad 202-4, the welding that side 203-4 and side metal layer 202-1 are installed and mistake radiofrequency signal leg 203-5 and the first pad 202-3 between radio frequency connector 203 and pcb board 202 is fixed, make the welding between radio frequency connector 203 and pcb board 202 more firm, improve the number of times of anti-plug of radio frequency connector; By being connected with the second pad 202-4 of the ground wire leg 203-1 that is used for welding radio frequency connector 203 for the 3rd pad 202-5 of welding radome 201, there is good contacting in the gap that can guarantee the I/O port place of radio frequency connector 203 and the radome 201 of radio-frequency module, thereby guarantees the electrical property of electronic equipment.
As shown in Fig. 6 to Fig. 7 c, prevent the second embodiment of the communication terminal device of electromagnetic leakage for the utility model.
The communication terminal device that prevents electromagnetic leakage of the present embodiment adopts with first and implements identical pcb board 202 and radio frequency connector 203, and difference between the two is structure and the installation site of radome.in the present embodiment, set breach 301-2 is larger for radome 301, top with the main body 203-0 that is used for accommodating radio frequency connector 203, inside bending extends to form flexible card 301-3 to radome 301 in the top of breach 301-2 (being straight line), the angle of the sidewall 3011 of described elastic card 301-3 and radome 301 is greater than 90 degree, thereby the minimum point that makes elastic card 301-3 apart from the distance H 1 of the installed surface 301-1 of radome 301 less than shown in setting height(from bottom) H2(Fig. 4 c of radio frequency connector 203), when radio frequency connector 203 and radome 301 are installed on pcb board 202, the main body 203-0 of radio frequency connector 203 partly stretches in radome 301, elastic card 301-3 is resisted against on the end face 203-2 of main body 203-0 of radio frequency connector 203.
in the communication terminal device that prevents electromagnetic leakage of the present embodiment, same welding by installed surface 203-3 and ground wire leg 203-1 and the second pad 202-4 between radio frequency connector 203 and pcb board 202, the welding of side 203-4 and side metal layer 202-1 is installed, and the welding of crossing radiofrequency signal leg 203-5 and the first pad 202-3 is fixed, make the welding between radio frequency connector 203 and pcb board 202 more firm, and by being connected with the second pad 202-4 of the ground wire leg 203-1 that is used for welding radio frequency connector 203 for the 3rd pad 202-5 of welding radome 301, there is good contacting in the gap that can guarantee the I/O port place of radio frequency connector 203 and the radome 301 of radio-frequency module, thereby guarantee the electrical property of electronic equipment, in addition, the main body 203-0 of radio frequency connector 203 partly stretches in radome 301, and the elastic card 301-3 by radome 301 is resisted against, and the main body 203-0 of radio frequency connector 203 is upper forms good electrically contacting, further guarantee the performance of electronic equipment and improve the space availability ratio of pcb board 202.
The utility model is not limited to above execution mode, under the disclosed technology contents of above-mentioned execution mode, can also carry out various variations.Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (10)
1. communication terminal device that prevents electromagnetic leakage, comprise pcb board, and be arranged on radome and radio frequency connector on described pcb board, it is characterized in that, described radio frequency connector comprises main body, and cross the radiofrequency signal leg by described main body one end extended two places wire bonding pin and, described two places wire bonding pin laid respectively at the both sides of radiofrequency signal leg, the bottom of described main body caves inward respectively in both sides and is formed with installed surface and the side is installed in each side, the edge of described pcb board is provided with opening, and be formed with the side metal layer in the two side walls of described opening, the main body of described radio frequency connector embeds in the opening of pcb board, the surface of described pcb board is provided with the first pad, two second pads and the 3rd pad, described two second pads lay respectively at the both sides of the first pad, described the 3rd pad is connected with described two second pads, described the first pad welds mutually with the mistake radiofrequency signal leg of radio frequency connector, described two second pads weld mutually with the two places wire bonding pin of radio frequency connector respectively, and weld mutually with two installed surfaces of radio frequency connector respectively, described the 3rd pad welds mutually with radome, weld mutually the installation side of described side metal layer and radio frequency connector, described radio frequency connector is positioned at a side of radome, the mistake radiofrequency signal leg of the corresponding radio frequency connector in the lower end of described radome is provided with breach.
2. the communication terminal device that prevents electromagnetic leakage as claimed in claim 1, is characterized in that, described the second pad and the 3rd pad are on the copper sheet that is connected with layer.
3. the communication terminal device that prevents electromagnetic leakage as claimed in claim 2, is characterized in that, described radio frequency connector is positioned at the outside of radome and near the radome setting, described radio frequency connector is 0 ~ 1mm apart from the distance of radome.
4. the communication terminal device that prevents electromagnetic leakage as claimed in claim 3, the width of the breach of described radome is greater than the diameter of the mistake radiofrequency signal leg of radio frequency connector and less than the distance between the wire bonding pin of two places, and the height of the breach of described radome is greater than the diameter of the mistake radiofrequency signal leg of radio frequency connector.
5. the communication terminal device that prevents electromagnetic leakage as claimed in claim 1, it is characterized in that, the main part of described radio frequency connector stretches in radome, and the top that described shielding covers in breach is formed with elastic card, and described elastic card is resisted against on the main body of radio frequency connector.
6. the communication terminal device that prevents electromagnetic leakage as claimed in claim 1, is characterized in that, described pcb board is provided with fabrication hole in the corner of its opening inboard.
7. the communication terminal device that prevents electromagnetic leakage as claimed in claim 1, is characterized in that, described radome comprises sidewall and be positioned at the top cover on sidewall top, and described sidewall and top cover are made of one piece.
8. the communication terminal device that prevents electromagnetic leakage as claimed in claim 1, is characterized in that, described radome comprises sidewall and be positioned at the top cover on sidewall top, and described top cover is removably mounted on sidewall.
9. pcb board, be used for communication terminal device so that radio frequency connector and radome to be installed, it is characterized in that, the edge of described pcb board is provided with opening to be used for the body of accommodating radio frequency connector, and be formed with the side metal layer in the two side walls of described opening and weld mutually with the installation side of radio frequency connector being used for, the surface of described pcb board is provided with the first pad, two second pads and the 3rd pad, described two second pads lay respectively at the both sides of the first pad, described the 3rd pad is connected with described two second pads, described the first pad is used for welding mutually with the mistake radiofrequency signal leg of radio frequency connector, described two second pads are used for respectively welding mutually with the two places wire bonding pin of radio frequency connector, and be used for respectively welding mutually with two installed surfaces of radio frequency connector, described the 3rd pad is used for welding mutually with radome.
10. radio frequency connector, it is characterized in that, described radio frequency connector comprises main body, reaches by described main body one end extended two places wire bonding pin and and cross the radiofrequency signal leg, described two places wire bonding pin laid respectively at the both sides of radiofrequency signal leg, and the bottom of described main body caves inward respectively in both sides and is formed with installed surface and the side is installed in each side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645228 CN202998667U (en) | 2012-11-29 | 2012-11-29 | Communication terminal apparatus preventing electromagnetic leakage, and PCB board and radio frequency connector thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220645228 CN202998667U (en) | 2012-11-29 | 2012-11-29 | Communication terminal apparatus preventing electromagnetic leakage, and PCB board and radio frequency connector thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202998667U true CN202998667U (en) | 2013-06-12 |
Family
ID=48569788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220645228 Expired - Fee Related CN202998667U (en) | 2012-11-29 | 2012-11-29 | Communication terminal apparatus preventing electromagnetic leakage, and PCB board and radio frequency connector thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202998667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410454A (en) * | 2016-11-02 | 2017-02-15 | 广东虹勤通讯技术有限公司 | PCB and mobile terminal including the same |
-
2012
- 2012-11-29 CN CN 201220645228 patent/CN202998667U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410454A (en) * | 2016-11-02 | 2017-02-15 | 广东虹勤通讯技术有限公司 | PCB and mobile terminal including the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |