CN215579039U - PCB antenna and test system - Google Patents

PCB antenna and test system Download PDF

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Publication number
CN215579039U
CN215579039U CN202122385080.5U CN202122385080U CN215579039U CN 215579039 U CN215579039 U CN 215579039U CN 202122385080 U CN202122385080 U CN 202122385080U CN 215579039 U CN215579039 U CN 215579039U
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China
Prior art keywords
sleeve
layer
connection
pcb antenna
ground layer
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CN202122385080.5U
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Chinese (zh)
Inventor
陈鹏
李建通
周鸿林
成战
张斌
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Shenzhen Skyworth Digital Technology Co Ltd
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Shenzhen Skyworth Digital Technology Co Ltd
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Abstract

The utility model discloses a PCB antenna and a test system, wherein the PCB antenna is used for being connected with an electric wire, the PCB antenna comprises a substrate, a conducting layer and a second connector, the conducting layer comprises a first ground layer, a second ground layer and a radiation layer which are all attached to the substrate, the first ground layer and the radiation layer are respectively positioned on two opposite sides of the substrate, the second ground layer and the radiation layer are positioned on the same side of the substrate and are mutually connected, the second ground layer is arranged around the periphery of the radiation layer, the first ground layer, the second ground layer and the radiation layer are all connected with one end of the second connector, and the other end of the second connector is detachably connected with the first connector. The PCB antenna is detachably connected with the first connector of the wire through the second connector, so that the PCB antenna and the wire can be connected and disconnected frequently, and the coupling test effect of the PCB antenna cannot be influenced.

Description

PCB antenna and test system
Technical Field
The utility model relates to the technical field of wireless communication, in particular to a PCB antenna and a test system.
Background
With the development of radio terminals, the variety of antennas is also increasing continuously. The antenna coupling plate can stably receive and transmit signals, and therefore the requirement of batch testing of products is met. The accessible antenna coupling board carries out coupling test to the wireless communication equipment that awaits measuring, before the test, carries out the wiring to the antenna coupling board earlier, is connected the antenna coupling board promptly through the electric wire with other equipment in test system to after the test finishes, with antenna coupling board and electric wire disconnection. However, since the antenna coupling plate and the electric wire are frequently connected and disconnected, the connection portion of the antenna coupling plate is easily worn, and the coupling test effect is affected.
In view of the above-mentioned drawbacks, there is a need for a new PCB antenna and test system.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a PCB antenna and a test system, and aims to solve the problem that the connection part of an antenna coupling plate is abraded to influence the coupling test effect due to frequent connection and disconnection between the antenna coupling plate and an electric wire.
In order to achieve the above object, the PCB antenna provided by the present invention is used for connecting with an electric wire, the electric wire is provided with a first connector, the PCB antenna includes a substrate, a conductive layer and a second connector, the conductive layer includes a first ground layer, a second ground layer and a radiation layer, which are all attached to the substrate, the first ground layer and the radiation layer are respectively located on two opposite sides of the substrate, the second ground layer and the radiation layer are located on the same side of the substrate and are connected with each other, the second ground layer is arranged around the periphery of the radiation layer, the first ground layer, the second ground layer and the radiation layer are all connected with one end of the second connector, and the other end of the second connector is detachably connected with the first connector.
Preferably, first connector includes that outside-in overlaps first shielding sleeve, first insulating sleeve and the spliced pole of establishing in proper order, the second connector includes that outside-in overlaps second shielding sleeve, second insulating sleeve and the connecting sleeve of establishing in proper order, first shielding sleeve with the connection can be dismantled to second shielding sleeve, the spliced pole inserts in the connecting sleeve, first stratum with the second stratum all with second shielding sleeve keeps away from first shielding sleeve's one end is connected, the connecting sleeve is kept away from the one end of spliced pole with the radiation layer is connected.
Preferably, first shielding sleeve cover is established second shielding sleeve's periphery, first shielding sleeve's inner wall is equipped with the internal thread, second shielding sleeve's periphery be equipped with internal thread complex external screw thread.
Preferably, the second shielding sleeve is kept away from the one end of first shielding sleeve is equipped with first connecting pin and the second connecting pin that the interval set up, first connecting pin with the second is connected the pin and is pressed from both sides and locate the both sides of base plate, just first connecting pin with first stratum is connected, the second connect the pin with the second stratum is connected.
Preferably, the number of the first connecting pins and the number of the second connecting pins are two, two the first connecting pins are arranged at intervals, and the second connecting pins are arranged at intervals.
Preferably, the connecting sleeve includes sleeve body and connecting pin, the sleeve body inserts the second insulating sleeve, just the sleeve body is equipped with the confession the inserted trompil of spliced pole, the one end of connecting pin with the sleeve body is kept away from the one end of spliced pole is connected and is sheltered from the trompil, the other end of connecting pin with the radiation layer is connected.
Preferably, the radiation layer includes a radiation sublayer and a connection sublayer, one end of the connection sublayer is connected with the radiation sublayer, and the other end of the connection sublayer is connected with the second ground layer.
Preferably, the substrate has a symmetrical structure, and the first ground layer, the second ground layer and the radiation layer are all symmetrical with respect to a symmetrical center of the substrate.
Preferably, the substrate is provided with a plurality of mounting holes, and the mounting holes are distributed at intervals.
In addition, the utility model also provides a test system which comprises the electric wire and the PCB antenna.
According to the technical scheme, the PCB antenna is connected with the electric wire, the electric wire is provided with a first connector, the PCB Scorpio comprises a substrate, a conducting layer attached to the substrate and a second connector connected with the conducting layer, the first connector and one end, far away from the conducting layer, of the second connector are detachably connected, connection and disconnection between the PCB antenna and the electric wire are achieved, the conducting layer comprises a first ground layer, a second ground layer and a radiation layer, the first ground layer, the second ground layer and the radiation layer are attached to the substrate and located on two opposite sides of the substrate respectively, the second ground layer and the radiation layer are located on the same side of the substrate and connected with each other, and the second ground layer is arranged around the periphery of the radiation layer, so that the PCB antenna can generate a radiation function through the radiation layer and can be coupled with an external antenna. The PCB antenna is detachably connected with the first connector of the wire through the second connector, so that the PCB antenna and the wire can be connected and disconnected frequently, and the coupling test effect of the PCB antenna cannot be influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a structure of a PCB antenna and a wire according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic view of another angle matching structure of the PCB antenna and the wire according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the point B in FIG. 3;
fig. 5 is a schematic structural diagram of a second connector according to an embodiment of the utility model.
The reference numbers illustrate:
reference numerals Name (R) Reference numerals Name (R)
1 Substrate 31 Second shielding sleeve
11 Mounting hole 311 First connecting pin
2 Conductive layer 312 Second connecting pin
21 First stratum 32 Second insulating sleeve
22 Second ground layer 33 Connecting sleeve
23 Radiation layer 331 Sleeve body
231 Radiation sub-layer 332 Connecting pin
232 Connection sub-layer 100 Electric wire
3 Second connector 110 First connector
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a PCB antenna and a test system, and aims to solve the problem that the connection part of an antenna coupling plate is abraded to influence the coupling test effect due to frequent connection and disconnection between the antenna coupling plate and an electric wire.
Referring to fig. 1 to 3, the PCB antenna is used for connecting with an electric wire 100, the electric wire 100 is provided with a first connector 110, the PCB antenna includes a substrate 1, a conductive layer 2 and a second connector 3, the conductive layer 2 includes a first ground layer 21, a second ground layer 22 and a radiation layer 23 which are all attached to the substrate 1, the first ground layer 21 and the radiation layer 23 are respectively located on two opposite sides of the substrate 1, the second ground layer 22 and the radiation layer 23 are located on the same side of the substrate 1 and are connected to each other, the second ground layer 22 is arranged around the periphery of the radiation layer 23, the first ground layer 21, the second ground layer 22 and the radiation layer 23 are all connected to one end of the second connector 3, and the other end of the second connector 3 is detachably connected to the first connector 110.
The PCB antenna is connected with the wire 100, the wire 100 is provided with the first connector 110, the PCB Scorpio comprises a substrate 1, a conducting layer 2 attached to the substrate 1 and a second connector 3 connected with the conducting layer 2, the connection and disconnection between the PCB antenna and the wire 100 are realized by detachably connecting the first connector 110 and one end of the second connector 3 far away from the conducting layer 2, the conducting layer 2 comprises a first ground layer 21, a second ground layer 22 and a radiation layer 23 which are all attached to the substrate 1, the first ground layer 21 and the radiation layer 23 are respectively positioned at two opposite sides of the substrate 1, the second ground layer 22 and the radiation layer 23 are positioned at the same side of the substrate 1 and are connected with each other, and the second ground layer 22 is arranged around the periphery of the radiation layer 23, so that the PCB antenna can generate a radiation function through the radiation layer 23 and can be coupled with an external antenna. The PCB antenna is detachably connected with the first connector 110 of the wire 100 through the second connector 3, so that the PCB antenna and the wire 100 are frequently connected and disconnected, the loss is low, the durability is good, the coupling test effect of the PCB antenna cannot be influenced, and the test efficiency is improved. In addition, the PCB antenna realizes the radiation shielding effect through the arranged first ground layer 21, and surrounds the radiation layer 23 through the second ground layer 22, so that the radiation layer 23 can be effectively prevented from being interfered by the outside, the PCB antenna can stably receive and transmit signals, and the requirements of product batch testing and product research and development can be realized. In one embodiment, the substrate 1 has a length of 55mm and a width of 30mm, and can support a 6G bandwidth. It should be noted that the PCB antenna of the present invention can be used for coupling with a wireless communication device under test to complete a coupling test, and can also be used in a wireless communication device as an antenna of the wireless communication device.
As an embodiment, please refer to fig. 1 and fig. 5, the first connector 110 includes a first shielding sleeve, a first insulating sleeve and a connecting column sequentially sleeved from outside to inside, the second connector 3 includes a second shielding sleeve 31, a second insulating sleeve 32 and a connecting sleeve 33 sequentially sleeved from outside to inside, the first shielding sleeve is detachably connected to the second shielding sleeve 31, the connecting column is inserted into the connecting sleeve 33, the first formation 21 and the second formation 22 are both connected to one end of the second shielding sleeve 31 far away from the first shielding sleeve, and one end of the connecting sleeve 33 far away from the connecting column is connected to the radiation layer 23. In this embodiment, the first connector 110 includes a connection post, a first insulating sleeve sleeved on the periphery of the connection post, and a first shielding sleeve sleeved on the periphery of the first insulating sleeve, the first ground layer 21 and the second ground layer 22 are both connected to the first shielding sleeve, the connection sleeve 33 is connected to the radiation layer 23, the second connector 3 includes a connection sleeve 33, a second insulating sleeve 32 sleeved on the periphery of the connection sleeve 33, and a second shielding sleeve 31 sleeved on the periphery of the second insulating sleeve 32, when the first connector 110 is connected to the second connector 3, the first shielding sleeve and the second shielding sleeve 31 are detachably connected, the connection post is inserted into the connection sleeve 33, when the first connector 110 is separated from the second connector 3, only the first shielding sleeve and the second shielding sleeve 31 need to be separated, and the connection post can be pulled out from the connection sleeve 33. Wherein, spliced pole, first shielding sleeve, connecting sleeve 33 and second shielding sleeve 31 all can adopt the copper alloy material to make, and the first shielding sleeve of copper alloy and second shielding sleeve 31 can better shield the signal, can not receive external disturbance when the junction of spliced pole and connecting sleeve 33 promptly the signal.
Further, first shielding sleeve cover is established in the periphery of second shielding sleeve 31, and first shielding sleeve's inner wall is equipped with the internal thread, and the periphery of second shielding sleeve 31 is equipped with the external screw thread with internal thread fit. In order to obtain a better shielding effect, the first shielding sleeve is sleeved on the periphery of the second shielding sleeve 31, so that the first shielding sleeve and the second shielding sleeve 31 are overlapped at the joint of the first shielding sleeve and the second shielding sleeve, and the outside and the inside can be effectively isolated. In order to enable the first shielding sleeve and the second shielding sleeve 31 to be repeatedly connected and detached, the inner wall of the first shielding sleeve is provided with an internal thread, an external thread matched with the internal thread is arranged on the periphery of the second shielding sleeve 31, the first shielding sleeve and the second shielding sleeve 31 are in threaded connection, the first shielding sleeve and the second shielding sleeve 31 can be reliably connected, transmission of signals between the electric wire 100 and the PCB antenna is guaranteed, and the coupling test efficiency of the PCB antenna is improved.
In an embodiment, please refer to fig. 2 and fig. 4, an end of the second shielding sleeve 31 away from the first shielding sleeve is provided with a first connection pin 311 and a second connection pin 312 arranged at an interval, the first connection pin 311 and the second connection pin 312 are clamped at two sides of the substrate 1, the first connection pin 311 is connected with the first ground layer 21, and the second connection pin 312 is connected with the second ground layer 22. In order to connect the second shielding sleeve 31 with the first ground layer 21 and the second ground layer 22 more firmly, the second shielding sleeve 31 is further provided with a first connecting pin 311 and a second connecting pin 312 which are arranged at intervals, the substrate 1 is inserted between the first connecting pin 311 and the second connecting pin 312, the first connecting pin 311 is connected with the first ground layer 21 through a welding mode, and the second connecting pin 312 is connected with the second ground layer 22 through a welding mode.
Wherein, the quantity of first connecting pin 311 and second connecting pin 312 is two, and two first connecting pins 311 intervals set up to all be connected with one side of base plate 1, and two second connecting pins 312 intervals set up to all be connected with the opposite side of base plate 1. In order to enable the second shielding sleeve 31 to be more firmly connected with the first ground layer 21, the number of the first connection pins 311 is two, two first connection pins 311 are arranged at intervals, and both first connection pins 311 are connected with the first ground layer 21; in order to enable the second shielding sleeve 31 to be more firmly connected to the second ground layer 22, the number of the second connection pins 312 is also two, two second connection pins 312 are provided at an interval, and both the two second connection pins 312 are connected to the second ground layer 22.
Further, referring to fig. 5, the connection sleeve 33 includes a sleeve body 331 and a connection pin 332, the sleeve body 331 is inserted into the second insulation sleeve 32, the sleeve body 331 is provided with an opening for inserting the connection column, one end of the connection pin 332 is connected with one end of the sleeve body 331 far away from the connection column and shields the opening, and the other end of the connection pin 332 is connected with the radiation layer 23. In this embodiment, the connection sleeve 33 includes the sleeve body 331 and the connection pin 332, the opening is opened on the sleeve body 331, the connection pin 332 is connected to one end of the sleeve body 331, and the connection pin 332 shields the opening of the sleeve body 331, so that the opening on the sleeve body 331 is a blind hole, one end of the connection pin 332 far away from the sleeve body 331 is connected to the radiation layer 23 in a welding manner, when the first connector 110 is connected to the second connector 3, the connection column is inserted into the opening of the sleeve body 331 from one end of the sleeve body 331, because the other end of the sleeve body 331 is blocked by the connection pin 332, thereby preventing external foreign objects and dust from entering the opening.
In addition, in the above-described embodiment, the radiation layer 23 includes the radiation sublayer 231 and the connection sublayer 232, one end of the connection sublayer 232 is connected to the radiation sublayer 231, and the other end of the connection sublayer 232 is connected to the second formation 22. The radiation layer 23 includes a radiation sublayer 231 and a connection sublayer 232, and both ends of the connection sublayer 232 are connected to the radiation sublayer 231 and the second stratum 22, respectively. In an embodiment, a signal input layer is disposed on a side of the substrate 1 close to the first ground layer 21, one end of the connection sublayer 232 far from the radiation sublayer 231 is connected to the signal input layer through a copper-clad via on the substrate 1, and the connection pin 332 is connected to the signal input layer through welding, so that a signal is transmitted between the connection pin 332 and the radiation layer 23 through the copper-clad via.
In one embodiment, the substrate 1 has a symmetrical structure, and the first ground layer 21, the second ground layer 22 and the radiation layer 23 are symmetrical with respect to the symmetrical center of the substrate 1. In order to make the PCB antenna have better radiation effect, the substrate 1 is designed to be a symmetrical structure, the substrate 1 may be a rectangular substrate 1, and the first ground layer 21, the second ground layer 22 and the radiation layer 23 are symmetrical to the symmetrical center of the substrate 1.
Furthermore, the substrate 1 is provided with a plurality of mounting holes 11, and the plurality of mounting holes 11 are distributed at intervals. In this embodiment, a plurality of mounting holes 11 are formed in the substrate 1, and bolts are passed through the mounting holes 11 to fix the substrate 1 to a fixing tool or a housing.
In addition, the present invention further provides a testing system, which includes the electrical wire 100 and the PCB antenna. The test system includes all the technical features of the PCB antenna and has corresponding beneficial effects, which are not described in detail herein. In an embodiment, the testing system further includes a testing computer and a power meter electrically connected to each other, one end of the wire 100 is connected to the power meter, and the other end of the wire 100 is detachably connected to the second connector 3 on the PCB antenna through the first connector 110, so as to obtain the coupling test data by coupling the PCB antenna with the wireless communication device to be tested and calculating the power through the testing computer.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A PCB antenna, PCB antenna is used for being connected with the electric wire, its characterized in that, the electric wire is equipped with first connector, PCB antenna includes:
a substrate;
the conductive layer comprises a first ground layer, a second ground layer and a radiation layer which are attached to the substrate, the first ground layer and the radiation layer are respectively positioned on two opposite sides of the substrate, the second ground layer and the radiation layer are positioned on the same side of the substrate and are mutually connected, and the second ground layer is arranged around the periphery of the radiation layer;
the second connector, first stratum the second stratum and the radiation layer all with the one end of second connector is connected, the other end of second connector with the connection can be dismantled to first connector.
2. The PCB antenna of claim 1, wherein the first connector comprises a first shielding sleeve, a first insulating sleeve and a connecting column which are sequentially sleeved from outside to inside, the second connector comprises a second shielding sleeve, a second insulating sleeve and a connecting sleeve which are sequentially sleeved from outside to inside, the first shielding sleeve and the second shielding sleeve are detachably connected, the connecting column is inserted into the connecting sleeve, the first ground layer and the second ground layer are both connected with one end of the second shielding sleeve, which is far away from the first shielding sleeve, and one end of the connecting sleeve, which is far away from the connecting column, is connected with the radiation layer.
3. The PCB antenna of claim 2, wherein the first shielding sleeve is sleeved on the outer periphery of the second shielding sleeve, the inner wall of the first shielding sleeve is provided with an internal thread, and the outer periphery of the second shielding sleeve is provided with an external thread matched with the internal thread.
4. The PCB antenna of claim 2, wherein one end of the second shielding sleeve away from the first shielding sleeve is provided with a first connection pin and a second connection pin which are arranged at intervals, the first connection pin and the second connection pin are clamped at two sides of the substrate, the first connection pin is connected with the first ground layer, and the second connection pin is connected with the second ground layer.
5. The PCB antenna of claim 4, wherein the number of the first connection pins and the second connection pins is two, two of the first connection pins are arranged at intervals, and two of the second connection pins are arranged at intervals.
6. The PCB antenna of claim 2, wherein the connection sleeve comprises a sleeve body and a connection pin, the sleeve body is inserted into the second insulation sleeve, the sleeve body is provided with an opening for the connection post to be inserted into, one end of the connection pin is connected with one end of the sleeve body far away from the connection post and shields the opening, and the other end of the connection pin is connected with the radiation layer.
7. A PCB antenna as claimed in any of claims 1 to 6, wherein the radiating layer comprises a radiating sublayer and a connection sublayer, one end of the connection sublayer being connected to the radiating sublayer and the other end of the connection sublayer being connected to the second ground layer.
8. The PCB antenna of any of claims 1 to 6, wherein the substrate is a symmetric structure, and the first ground layer, the second ground layer, and the radiating layer are all symmetric with respect to a center of symmetry of the substrate.
9. The PCB antenna of any one of claims 1 to 6, wherein the substrate has a plurality of mounting holes formed therein, the plurality of mounting holes being spaced apart.
10. A test system comprising a wire and a PCB antenna according to any of claims 1 to 9.
CN202122385080.5U 2021-09-28 2021-09-28 PCB antenna and test system Active CN215579039U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122385080.5U CN215579039U (en) 2021-09-28 2021-09-28 PCB antenna and test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122385080.5U CN215579039U (en) 2021-09-28 2021-09-28 PCB antenna and test system

Publications (1)

Publication Number Publication Date
CN215579039U true CN215579039U (en) 2022-01-18

Family

ID=79852918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122385080.5U Active CN215579039U (en) 2021-09-28 2021-09-28 PCB antenna and test system

Country Status (1)

Country Link
CN (1) CN215579039U (en)

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