TWI707499B - Smart terminal - Google Patents

Abstract

The present disclosure provides a smart terminal including a receiving slot, a command input device, and a circuit board. The command input device is detachably received in the receiving slot. The command input device has at least one groove. The circuit board is provided with a first antenna structure. A portion of the circuit board on which the first antenna structure is disposed extends into the receiving slot. When the command input device is received in the receiving slot, the portion of the circuit board on which the first antenna structure is received in the groove. The smart terminal provided by the disclosure can effectively improve the space utilization rate in the smart terminal.

Description

Intelligent Terminal

The present invention relates to the field of communication, in particular to an intelligent terminal.

An antenna is a structure for transmitting and receiving electromagnetic waves, which is used in various smart devices that require wireless signal reception and transmission, such as smart phones. Take the antenna applied to the smart phone as an example. Due to the small size of the overall product of the smart phone, the space that can be reserved for setting the antenna is also small. Therefore, due to the limitation of the installation space, the antenna itself is generally set smaller的size.

At present, due to the development of 5G technology, smart phones need to be equipped with antennas that support 5G signal transmission and antennas that support other frequency band signals (such as 4G and 3G signals). More space is needed to support the above-mentioned antenna layout. Since the size of the antenna itself cannot be reduced indefinitely (too small will affect the signal transmission and reception capabilities), the problem of insufficient installation space is solved from the antenna size. There is not much room for improvement. Therefore, how to improve the antenna layout space in the smart phone The problem of deficiencies needs to be resolved urgently.

One aspect of the present invention provides an intelligent terminal, including: a receiving slot; a command input device detachably received in the receiving slot, the command input device having at least one groove; and a circuit board provided with a first antenna Structure, the circuit board is provided with a part of the first antenna structure protruding into the receiving slot, and when the command input device is received in the receiving slot, the circuit board is provided with the first antenna Part of the structure is received in the groove.

The smart terminal provided by this embodiment includes a receiving slot, a command input device, and a circuit board provided with a first antenna structure. The command input device is detachably received in the receiving slot, and the command input device is provided with a groove, and The part of the circuit board provided with the first antenna structure protrudes into the receiving slot, so that when the command input device is received in the receiving slot, the part of the circuit board provided with the first antenna structure is received In the groove of the command input device, the layout of the first antenna structure inside the smart terminal can be realized only by changing the shape of the command input device (opening a groove) without requiring additional space for the smart terminal , Which greatly improves the space utilization rate inside the smart terminal, especially when the smart terminal is a small device such as a smart phone, it is of greater significance to improve the space utilization rate; and with the development of technology, smart terminals need to be equipped with more When the antenna structure (for example, an antenna supporting the transmission of 5G signals is required), the above structure improves the space utilization rate, and even if more antenna structures are added, the overall size of the product can be better controlled.

10: Smart terminal

11: back cover

12: Containment slot

121: open

13: Command input device

131: first groove

132: second groove

1310, 1320: groove wall

14, 135: circuit board

141: The first antenna structure

1411, 1451: Launch Department

1412, 1452: receiving part

142: Second antenna structure

143: Third antenna structure

144: Fourth antenna structure

145: Fifth antenna structure

1461: The first switch circuit

1462: second switch circuit

1471: first amplifier

1472: second amplifier

1481: first filter

1482: second filter

149: signal processing chip

15: Rail

16a, 16b: guide groove

FIG. 1 is a schematic diagram of a three-dimensional structure of a smart terminal provided by an embodiment of the present invention.

Figure 2 is a schematic cross-sectional structure diagram of the smart terminal in Figure 1 along the II-II direction.

Figure 3 is a schematic cross-sectional structure diagram of the smart terminal in Figure 1 along the III-III direction.

4 is a schematic diagram of the circuit connection structure of each antenna structure on the circuit board.

Figure 5 is a schematic cross-sectional structure diagram of the command input device during the manufacturing process.

Fig. 6 is another schematic cross-sectional structure diagram of the command input device during the manufacturing process.

FIG. 7 is a schematic diagram of another cross-sectional structure of the command input device during the manufacturing process.

Fig. 8 is a schematic cross-sectional structure diagram of the command input device after the manufacture is completed.

Example one

Please refer to FIG. 1, the smart terminal 10 provided in this embodiment is illustrated by taking a smart phone as an example; in other embodiments, the smart terminal 10 may also be a tablet computer and other smart devices with electromagnetic wave transmission and reception functions.

1 and 2 together, the smart terminal 10 includes a back cover 11, a receiving slot 12, a command input device 13, and a circuit board 14. The circuit board 14 is provided with a first antenna structure 141.

Please continue to refer to FIG. 2. In this embodiment, the receiving slot 12 is enclosed by the circuit board 14. The receiving slot 12 is used to receive the command input device 13, and the circuit board 14 is provided with a part of the first antenna structure 141 protruding from In the receiving slot 12, the size and shape of the receiving slot 12 are basically determined by the size and shape of the command input device 13 and the size and shape of the portion of the circuit board 14 where the first antenna structure 141 is arranged. In one embodiment, The receiving slot 12 is formed on other structures of the smart terminal. In one embodiment, the receiving slot 12 is formed by several structures on the smart terminal 10.

The command input device 13 is detachably received in the receiving slot 12 and is used to input touch commands on the touch screen of the smart terminal 10. The instruction input device 13 can be taken out from the opening of the receiving slot 12 for use or stored in the receiving slot 12. In this embodiment, the command input device 13 is a cylindrical stylus.

The command input device 13 has at least one groove. When the command input device 13 is accommodated in the receiving slot 12, the portion of the circuit board 14 provided with the first antenna structure 141 is accommodated in the groove. The number, size and shape of the grooves are not limited.

In this embodiment, the command input device 13 has two grooves, a first groove 131 and a second groove 132, respectively. The smart terminal 10 also includes a second antenna structure 142 arranged on the circuit board 14; the command input device When 13 is received in the receiving groove 12, the portion of the circuit board 14 provided with the first antenna structure 141 is received in the first groove 131, and the portion of the circuit board 14 provided with the second antenna structure 142 is received in the second recess槽132.

In this embodiment, a third antenna structure 143 and a fourth antenna structure 144 are also provided on the circuit board 14. The portion of the circuit board 14 with the third antenna structure 143 is received in the first groove 131, and the portion of the circuit board 14 with the fourth antenna structure 144 is received in the second groove 132.

The circuit board 14 is a flexible circuit board. The first antenna structure 141, the second antenna structure 142, the third antenna structure 143, and the fourth antenna structure 144 are all dipole antennas, which are used to transmit and receive wireless signals of different frequency bands. .

Please refer to FIGS. 2 and 3 together. The first antenna structure 141 includes a transmitting portion 1411 for transmitting wireless signals and a receiving portion 1412 for receiving wireless signals. The transmitting portion 1411 and the receiving portion 1412 are of the same shape and size. Axisymmetric metal conductor. Similar to the structure of the first antenna structure 141, the second antenna structure 142, the third antenna structure 143, the fourth antenna structure 144, and the first antenna structure 141 all include a transmitter for transmitting infinite signals and for receiving wireless signals. The receiving part of the signal.

A fifth antenna structure 145 is also provided inside the back cover 11. In this embodiment, the fifth antenna structure 145 is a multiple-input multiple-output antenna, which has a plurality of transmitting parts 1451 and a complex receiving part 1452 for transmitting and receiving wavelengths different from the first antenna structure 141 and the second antenna structure 142. 1. The third antenna structure 143 and the fourth antenna structure 144 can transmit and receive wireless signals.

Transmitting part and receiving part of the above-mentioned antenna structures (including the first antenna structure 141, the second antenna structure 142, the third antenna structure 143, the fourth antenna structure 144 and the fifth antenna structure 145) The lengths are all expressed as L. The specific value of L is set according to the wavelength of the wireless signal that each antenna structure can receive and transmit.

In smart phones, commonly used wireless signals include 3G signals, 4G signals, 5G signals, GPS signals, WiFi signals, Bluetooth signals, etc. Table 1 shows the corresponding L value when receiving and transmitting the above-mentioned wireless signal.

L

4.5cm。本實施例中，第一天線結構141用於發射及接收3G訊號，L值設定為4.0cm；第二天線結構142用於發射及接收4G訊號，L值設定為3.75-4.0cm；第三天線結構143用於發射及接收WiFi及藍牙訊號，L值設定為3.12cm；第四天線結構144用於發射及接收GPS訊號，L值設定為4.5cm，第五天線結構145用於發射及接收5G訊號，L值設定為0.25-0.375cm或1.5-2.5cm。 According to Table 1, the value of L is set to a quarter of the wavelength of the received and transmitted wireless signal (expressed as λ), namely: L=¼λ, 3cm

L

4.5cm. In this embodiment, the first antenna structure 141 is used to transmit and receive 3G signals, and the L value is set to 4.0cm; the second antenna structure 142 is used to transmit and receive 4G signals, and the L value is set to 3.75-4.0cm; The three-antenna structure 143 is used for transmitting and receiving WiFi and Bluetooth signals, the L value is set to 3.12cm; the fourth antenna structure 144 is used for transmitting and receiving GPS signals, the L value is set to 4.5cm, and the fifth antenna structure 145 is used for transmitting and receiving GPS signals. To receive 5G signals, set the L value to 0.25-0.375cm or 1.5-2.5cm.

Please continue to refer to Figures 2 and 3 together. The smart terminal 10 also includes at least one guide rail 15 arranged on the circuit board 14. The guide rail 15 protrudes in the receiving slot 12 and extends along the extending direction of the receiving slot 12. Command input The device 13 can be installed in and taken out of the receiving groove 12 along the guide rail 15.

When the instruction input device 13 is accommodated in the receiving slot 12, the guide rail 15 is located between the circuit board 14 and the instruction input device 13, and the instruction input device 13 and the circuit board 14 are kept apart from each other. By setting the guide rail 15 to avoid direct contact between the command input device 13 and the circuit board 14, thereby avoiding the command input device During the disassembly process, the device 13 rubs against the circuit board 14 to generate interference signals and noise to interfere with the transmission and reception of wireless signals of each antenna structure.

The guide rails 15 correspond to the grooves on the command input device 13, that is, in this embodiment, the command input device 13 includes a first groove 131 and a second groove 132, and the smart terminal 10 includes two guide rails 15, respectively forming The circuit board 14 is received between the portion of the first recess 131 and the first recess 131 and the circuit board 14 is received between the portion of the second recess 132 and the second recess 132. Further, the groove wall of the groove is formed with a guide groove matching the shape of the guide rail 15. In this embodiment, the groove wall 1310 of the first groove 131 and the groove wall 1320 of the second groove 132 are respectively formed with guide grooves. The groove 16a and the guide groove 16b. When the command input device 13 is accommodated in the receiving groove 12, the two guide rails 15 are respectively located in the guide groove 16a and the guide groove 16b.

4, the circuit board 14 is provided with a first switch circuit 1461, a first amplifier 1471, a first filter 1481, a signal processing chip 149, a second filter 1482, a second amplifier 1472, and a second Switch circuit 1462. The transmitting part of each antenna structure is connected to the first switch circuit 1461, and the receiving part of each antenna structure is connected to the second switch circuit.

The signal processing chip 149 outputs the signal to the first filter 1481 to filter out the noise, and amplifies the output signal through the first amplifier 1471 (the signal is too small to be easily identified and easily interfered by noise), and the first switch circuit 1461 processes the chip according to the signal The 149 output signal selects a channel to output the signal to one of the transmitters of each antenna structure connected to it to transmit wireless signals. For example, at a certain moment the signal processing chip 149 outputs a 4G signal, and the first switch circuit 1461 is turned on the next day The line structure 142 outputs the signal to the transmitting part of the second antenna structure 142, and the transmitting part of the second antenna structure 142 transmits wireless signals.

Similarly, when the receiving part of each antenna structure receives the wireless signal, it is transmitted to the second switch circuit 1462, and the second switch circuit 1462 turns on the corresponding channel to transmit the signal to the second amplifier 1472 to amplify the signal, and then pass the second The filter 1482 filters out noise from the signal, and then transmits it to the signal processing chip 149.

The following is a brief description of the manufacturing process of the command input device 13: Thermoforming is performed to form a casing 133 as shown in FIG. 5; please refer to FIG. 6 to assemble the battery 134 and the circuit board 135 in the casing 133 and other commands The required parts of the input device 13; as shown in Figure 7, the second housing 133 assembled with the required parts is fitted; refer to Figure 8, the first recess is processed on the fitted structure with a milling machine tool The groove 131, the guide groove 16a, the guide groove 16b, and the second groove 132 finally form the command input device 13.

The smart terminal 10 provided in this embodiment includes a receiving slot 12, a command input device 13, and a circuit board provided with a first antenna structure 141. The command input device 13 is detachably received in the receiving slot 12, and the command input device 13 is provided with a first groove 131 and a second groove 132, and the part of the circuit board 14 provided with the first antenna structure 141 protrudes into the receiving slot 12, so that the command input device 13 is received in the receiving slot 12. , The portion of the circuit board 14 where the first antenna structure 141 is provided is accommodated in the first groove 131 and the second groove 132 of the command input device 13, and on the basis of no additional space reserved for the smart terminal 10, only The layout of the first antenna structure 141 inside the smart terminal 10 can be realized by changing the shape of the command input device 13 (opening a groove), which greatly improves the space utilization rate inside the smart terminal 10, especially when the smart terminal 10 is a smart phone For devices with a smaller size, it is more important to improve the space utilization. With the development of technology, more antenna structures (for example, antennas that support the transmission of 5G signals) need to be installed in the smart terminal 10, the above-mentioned structure By improving space utilization, even if more antenna structures are added, the overall size of the product can be better controlled.

Those of ordinary skill in the art should realize that the above embodiments are only used to illustrate the present invention, but not to limit the present invention. As long as they fall within the essential spirit of the present invention, the above embodiments are appropriate Changes and changes fall within the scope of protection of the present invention.

10: Smart terminal

11: back cover

12: Containment slot

13: Command input device

131: first groove

132: second groove

1310, 1320: groove wall

14: circuit board

141: The first antenna structure

142: Second antenna structure

143: Third antenna structure

144: Fourth antenna structure

15: Rail

16a, 16b: guide groove

Claims (9)

An intelligent terminal is improved in that it includes: a receiving slot; a command input device detachably received in the receiving slot, the command input device has at least one groove; a circuit board is provided with a first antenna structure, When the circuit board is provided with a part of the first antenna structure protruding into the receiving slot, and the command input device is received in the receiving slot, the circuit board is provided with the first antenna structure Partly received in the groove; and at least one guide rail, the at least one guide rail is disposed on the circuit board, the guide rail protrudes in the receiving slot, and the command input device is received in the receiving slot When the guide rail is located between the circuit board and the instruction input device, the instruction input device and the circuit board are kept apart from each other. The smart terminal according to claim 1, wherein the command input structure has a first groove and a second groove, and the smart terminal further includes a second antenna structure provided on the circuit board; the When the command input device is accommodated in the accommodating groove, the portion of the circuit board provided with the first antenna structure is accommodated in the first groove, and the circuit board is provided with the second antenna structure The part is received in the second groove. The smart terminal according to claim 2, which further includes a third antenna structure and a fourth antenna structure provided on the circuit board; the circuit board is provided with the first antenna structure and the first antenna structure The part of the three antenna structure is received in the first groove, and the part of the circuit board provided with the second antenna structure and the fourth antenna structure is received in the second groove. The smart terminal according to claim 3, wherein the first antenna structure, the second antenna structure, the third antenna structure, and the fourth antenna structure are dipole antennas. The smart terminal according to claim 3, which further includes a back cover, and a fifth antenna structure is arranged inside the back cover. The smart terminal according to claim 5, wherein the first antenna structure, the second antenna structure, the third antenna structure, the fourth antenna structure, and the fifth antenna structure are used for Transmit and receive wireless signals in different frequency bands. The smart terminal according to claim 1, wherein the first antenna includes a transmitting part and a receiving part; the circuit board is also provided with a first switch circuit, a first amplifier, and a first filter that are electrically connected in sequence , A signal processing chip, a second filter, a second amplifier and a second switch circuit, the transmitting part is connected to the first switch circuit, and the receiving part is connected to the second switch circuit. The smart terminal according to claim 1, wherein the guide rail corresponds to the groove one-to-one, and the guide rail is located in the groove when the instruction input device is stored in the receiving slot. The smart terminal according to claim 8, wherein a guide groove matching the shape of the guide rail is formed on the groove wall of the groove, and when the command input device is accommodated in the receiving groove, the guide rail Located in the guide groove.

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