Radio frequency device

Abstract

The utility model provides a radio frequency device. The radio frequency equipment comprises a connecting piece, a shell, a radio frequency module, a switch, a first antenna and a connector, wherein the radio frequency module, the switch, the first antenna and the connector are arranged in the shell; the connecting piece is arranged on the shell, and the connecting piece is provided with a first state for closing the plugging port and a second state for opening the plugging port; the switch is electrically connected with the radio frequency module; the first antenna is electrically connected with the switch; the connector is electrically connected with the switch, and the connector is used for being electrically connected with peripheral equipment through the plugging port; wherein the connecting piece is electrically connected with the switch in a first state, the radio frequency module is conducted with the first antenna, the connecting piece is disconnected from the switch in a second state, and the radio frequency module is conducted with a peripheral electrically connected with the connector.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of communication, in particular to a radio frequency device. BACKGROUND

[0002] In order to adapt to different application scenarios, the existing radio frequency device accesses a large antenna to enhance signal strength in the case that the signal strength of a fixed antenna is low. However, the switching between different antennas of the existing radio frequency device is complex, and there is an urgent need for a radio frequency device capable of simple switching between different antennas. CONTENT OF THE UTILITY MODEL

[0003] To solve the above technical problems, the present application provides a radio frequency device capable of simple switching between different antennas of the radio frequency device.

[0004] The present application provides a radio frequency device, which comprises a connecting piece, a shell, a radio frequency module, a switch, a first antenna and a connector arranged in the shell, and the shell is provided with a plug-in interface; the connecting piece is arranged in the shell, and the connecting piece is configured to have a first state of closing the plug-in interface and a second state of opening the plug-in interface; the switch is electrically connected with the radio frequency module; the first antenna is electrically connected with the switch; the connector is electrically connected with the switch, and the connector is used to be electrically connected with an external device through the plug-in interface; wherein the connecting piece is electrically connected with the switch in the first state, the radio frequency module is in conduction with the first antenna, the connecting piece is disconnected from the switch in the second state, and the radio frequency module is in conduction with the external device electrically connected with the connector.

[0005] In an embodiment, the connecting piece is arranged outside the shell and movably connected with the shell to open and close the plug-in interface.

[0006] In an embodiment, the radio frequency device further comprises a first conductive piece and a second conductive piece arranged in the shell, the first conductive piece is grounded and electrically connected with one end of the connecting piece, and one end of the second conductive piece is electrically connected with a control end of the switch; wherein in the first state, the connecting piece closes the plug-in interface, the connecting piece is electrically connected with the second conductive piece, and the voltage of the control end of the switch is pulled down to a first voltage; in the second state, the connecting piece opens the plug-in interface, the connecting piece is disconnected from the second conductive piece, and the voltage of the control end of the switch returns to a second voltage; wherein the first voltage is less than the second voltage.

[0007] In an embodiment, the radio frequency device further comprises a first prompt module, the first prompt module is electrically connected with the control end of the switch and the connecting piece and connected with a power supply signal, and the first prompt module is used to output a first prompt signal in the first state.

[0008] In an embodiment, the first prompting module comprises a second resistor, a first light emitting element, a first switch tube and a third resistor, one end of the second resistor is used for connecting a power supply signal; the positive electrode of the first light emitting element is electrically connected with the other end of the second resistor; the second end of the first switch tube is electrically connected with the negative electrode of the first light emitting element, and the first end of the first switch tube is grounded; one end of the third resistor is electrically connected with the control end of the switch and the connecting element, and the other end of the third resistor is electrically connected with the control end of the first switch tube.

[0009] In an embodiment, the radio frequency device further comprises a second prompting module, the second prompting module is electrically connected with the control end of the switch and the connecting element, and is connected with the power supply signal, and the second prompting module is used for outputting a second prompting signal in the second state.

[0010] In an embodiment, the second prompting module comprises a fourth resistor, a second light emitting element, a second switch tube and a fifth resistor, one end of the fourth resistor is used for connecting the power supply signal, and the other end of the fourth resistor is electrically connected with the control end of the switch and the connecting element; the positive electrode of the second light emitting element is electrically connected with the other end of the fourth resistor; the first end of the second switch tube is electrically connected with the negative electrode of the second light emitting element, and the second end of the second switch tube is grounded; one end of the fifth resistor is electrically connected with the control end of the switch, the other end of the fourth resistor and the connecting element, and the other end of the fourth resistor is electrically connected with the control end of the second switch tube.

[0011] In an embodiment, the radio frequency device further comprises a signal generating module, the signal generating module is connected with the power supply signal, and is electrically connected with the control end of the switch and the other end of the connecting part, wherein the signal generating module is used for outputting a second voltage.

[0012] In an embodiment, the signal generating module comprises a first resistor, one end of the first resistor is used for connecting the power supply signal, and the other end of the first resistor is electrically connected with the control end of the switch and the other end of the connecting part.

[0013] In an embodiment, the radio frequency device further comprises any one of a second antenna or a power amplifier, and the second antenna or the power amplifier is detachably connected with the connector through the plug interface.

[0014] The beneficial effects of the present application are: the radio frequency device of the present application comprises a connecting piece, a shell, a radio frequency module, a switch, a first antenna and a connector arranged in the shell, the shell is provided with a plug interface; the connecting piece is arranged in the shell, the connecting piece is configured to have a first state of closing the plug interface and a second state of opening the plug interface; the switch is electrically connected with the radio frequency module; the first antenna is electrically connected with the switch; the connector is electrically connected with the switch, and the connector is used to be electrically connected with an external device through the plug interface; wherein the connecting piece is electrically connected with the switch in the first state, the radio frequency module is in conduction with the first antenna, the connecting piece is disconnected with the switch in the second state, and the radio frequency module is in conduction with the external device electrically connected with the connector. Therefore, when the radio frequency device is in a complex environment resulting in low signal strength, the radio frequency device can enhance the strength of the wireless signal by connecting the external device, so that the radio frequency device can adapt to the complex environment, and by changing the state of the connecting piece, the radio frequency device can realize the free switching of the default or the connection of the external device, that is, the switching of different antennas of the radio frequency device can be completed by operating the connecting piece to open or close the plug interface, which is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0016] Fig. 1 is a structural schematic diagram of an embodiment of the radio frequency device provided by the present application;

[0017] Fig. 2 is a module schematic diagram of an embodiment of the radio frequency device provided by the present application. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0019] It should be noted that if the directionality indication (such as up, down, left, right, front, back, etc.) is involved in the embodiments of the present application, the directionality indication is only used to explain the relative position relationship, motion condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indication also changes accordingly.

[0020] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope claimed by the present application.

[0021] The present application provides a radio frequency device, referring to Figs. 1-2 , Fig. 1 is a structural schematic diagram of an embodiment of the radio frequency device provided by the present application, Fig. 2 is a module schematic diagram of an embodiment of the radio frequency device provided by the present application, the radio frequency device 10 includes a shell 160, a radio frequency module 110, a switch 120, a first antenna 130, a connector 140 and a connecting piece 152. Wherein, the shell 160 is provided with a plug interface (not marked in the figure). The switch 120 is electrically connected with the radio frequency module 110, the first antenna 130 and the connector 140 respectively. Wherein, the connector 140 is located in the plug interface, and the external device is connected to the connector 140 through the plug interface, so that the external device is electrically connected with the connector. The connecting piece 152 is electrically connected with the switch 120, and the connecting piece 152 is configured with a first state and a second state, in the first state, the connecting piece 152 closes the plug interface; in the second state, the connecting piece 152 opens the plug interface. In the first state of the connecting piece 152, the switch 120 is conducted with the first antenna 130, at this time, the branch where the radio frequency module 110, the switch 120 and the first antenna 130 are located is conducted. In the second state of the connecting piece 152, the switch 120 is conducted with the connector 140, at this time, the branch where the radio frequency module 110, the switch 120 and the connector 140 are located is conducted. It is worth noting that the electrical connection mentioned in the present application can be connected through the wire printed on the circuit board, or connected through the conductive wire cable, which is not limited here.

[0022] Wherein, the radio frequency module 110, the switch 120, the first antenna 130 and the connector 140 are arranged in the shell 160, the connecting piece 152 is arranged on the shell 160, and the shell 160 protects and dustproofs the electrical devices of the radio frequency device 10. The radio frequency module 110 is used for generating and processing wireless signals. The first antenna 130 is used for transmitting and receiving wireless signals, and serves as the default antenna when the radio frequency device 10 works. The external device can be an antenna or a power amplifier of wireless signal, and the external device can enhance or transmit and receive wireless signals.

[0023] It can be known that, in the first state, the connecting piece 152 is in electrical connection with the first antenna 130 and the switch 120, so that the radio frequency module 110 accesses the first antenna 130, and the radio frequency device 10 works in the default antenna mode. In the second state, the connecting piece 152 is in electrical connection with the connector 140 and the switch 120, and in the case that the connector 140 accesses the external device, the radio frequency module 110 accesses the external device, and the radio frequency device 10 works in the external device access mode. Therefore, the radio frequency device 10 of the present application can realize the fast switching of the radio frequency device 10 in the default or external device access mode by changing the state of the connecting piece 152, and when the radio frequency device 10 is in a complex environment resulting in weak wireless signals, the external device can be accessed to enhance the strength of the wireless signals, so that the radio frequency device 10 can adapt to complex environments; and the operation of opening or closing the plug-in interface by the connecting piece 152 can complete the switching between the first antenna 130 of the radio frequency device 10 and the external device, which is simple and convenient in operation process and can improve the use experience.

[0024] In an embodiment, the radio frequency device 10 further comprises an external device (not labeled in the figure), which is detachably connected with the connector 140 through the plug-in interface and is detachably electrically connected. The user can access the external device to the connector 140 according to the use scene to enhance the wireless signal.

[0025] In an embodiment, the external device can be a second antenna (not labeled in the figure), or a power amplifier (not labeled in the figure), or a second antenna and a power amplifier. The power amplifier is used to amplify the power of the wireless signal, and is used to enhance the strength of the wireless signal. The second antenna can be used to transmit and receive wireless signals.

[0026] For example, the first antenna 130 is arranged in region 1, when the signal strength of region 2 is weak or even has no signal, the plug-in interface can be opened by operating the connecting piece 152, and the second antenna or the signal amplifier is accessed to enhance the signal of region 2. The external device can be arranged in region 1 or region 2. Region 1 and region 2 can be different regions of the same space, or region 1 and region 2 can be different spaces, which are not limited herein.

[0027] In an embodiment, the connecting piece 152 is arranged outside the shell 160 and is movably connected with the shell 160, and the connecting piece 152 can open or close the plug-in interface. The movably connected connecting piece 152 and the shell 160 can be that the connecting piece 152 is detachably connected with the shell 160, or can be that part of the connecting piece 152 is movably connected with the shell 160, which is not limited herein. At this time, when the connecting piece 152 closes the plug-in interface, it can be considered as being electrically connected with the shell, and the shell is considered as the ground. When the connecting piece closes the plug-in interface, the ground is electrically connected with the control end of the switch, and when the connecting piece opens the plug-in interface, the electrical connection between the connecting piece and the control end of the switch is disconnected.

[0028] In an embodiment, the radio frequency device 10 further comprises a first conductive member 151 and a second conductive member 153 arranged in the housing 160. The first conductive member 151 is grounded and electrically connected with one end of the connecting member 152, and the second conductive member 153 is electrically connected with the control end of the switch 120. The connecting member 152 is arranged outside the housing 160 and can open and close the plug interface. In the first state, the connecting member 152 closes the plug interface, and the first conductive member 151 is electrically connected with the second conductive member 153, i.e., the first conductive member 151 is conducted with the second conductive member 153 through the connecting member 152, and in the second state, the connecting member 152 opens the plug interface, and the electrical connection between the first conductive member 151 and the second conductive member 153 is disconnected. It can be known that the first conductive member 151 is grounded, and the second conductive member 153 is electrically connected with the control end of the switch 120, and when the connecting member 152 closes the plug interface, the first conductive member 151 and the second conductive member 153 are electrically connected, at this time, the control end of the switch 120 is grounded, which is equivalent to outputting a first voltage of low level at the control end of the switch 120. When the connecting member 152 opens the plug interface, the electrical connection between the first conductive member 151 and the second conductive member 153 is disconnected, i.e., the electrical connection between the first conductive member 151 and the second conductive member 153 is disconnected, at this time, the control end of the switch 120 returns to a second voltage. The first voltage is less than the second voltage. When the plug interface is closed, i.e., the plug interface is not connected with an external device, the switch 120 is conducted with the first antenna 130 based on the first voltage, so that the radio frequency device 10 works in the default antenna mode. That is, the connecting member 152 of the embodiment can realize the electrical connection and disconnection between the first conductive member 151 and the second conductive member 153. The connecting member 152 is arranged outside the housing 160, and when the connecting member 152 closes the plug interface, it can also protect the plug interface and play a dustproof role.

[0029] The connecting member 152 of the embodiment has a simple structure, and the user can realize the free switching of the default or the connection with the external device of the radio frequency device 10 by operating the connecting member 152 to open and close the plug interface. In addition, the way of adjusting the voltage of the control end of the switch 120 is simple and easy to realize. Furthermore, the connecting member 152 is arranged outside the housing 160, and when the connecting member 152 closes the plug interface, it can also protect the plug interface and play a dustproof role.

[0030] In an embodiment, the first conductive member 151 comprises a connecting wire (not labeled in the figure). The connecting wire can be a conductive cable. Similarly, there is a second conductive member 153. The electrical connection between the first conductive member 151 and the second conductive member 153 can be achieved by conductive terminal plug-in or welding, which is not limited herein.

[0031] In an embodiment, the radio frequency device 10 further comprises a signal generating module 170 electrically connected to the control end of the switch 120, for outputting a second voltage. The signal generating module 170 can be a common power supply circuit, or can be a circuit for voltage conversion based on a power supply signal, which is not limited herein. The second voltage can be equal to or less than the power supply voltage.

[0032] In an embodiment, the signal generating module 170 comprises a first resistor, one end of the first resistor being connected to the power supply signal, and the other end of the first resistor being electrically connected to the control end of the switch 120 and the second conductive part 153. The power supply signal is outputted to the control end of the switch 120 through the first resistor to output the second voltage.

[0033] In an embodiment, the signal generating module 170 further comprises a power conversion module, which is electrically connected to the first resistor and provides the second voltage to the control end of the switch 120 through the first resistor.

[0034] In an embodiment, the radio frequency device 10 further comprises a first prompt module 180 and a second prompt module 190. The first prompt module 180 is electrically connected to the control end of the switch 120 and the second conductive part 153, and is connected to the power supply signal. The first prompt module 180 outputs a first prompt signal when the connector 152 closes the plug interface. The second prompt module 190 is electrically connected to the control end of the switch 120 and the second conductive part 153, and is connected to the power supply signal. The second prompt module 190 outputs a second prompt signal when the connector 152 opens the plug interface.

[0035] It can be known that, when the connector 152 closes the plug interface, the voltage at the control end of the switch 120 is the first voltage, and the switch 120 is in conduction with the first antenna 130. At this time, the radio frequency device 10 transmits or receives wireless signals through the first antenna 130. Therefore, the first prompt signal outputted by the first prompt module 180 can be used to indicate that the plug interface is closed, and the radio frequency device 10 works in the default antenna mode. When the connector 152 opens the plug interface, the voltage at the control end of the switch 120 returns to the second voltage, and the switch 120 is in conduction with the connector 140. At this time, the radio frequency device 10 transmits or receives wireless signals through the connected external device. Therefore, the second prompt signal outputted by the second prompt module 190 can be used to indicate that the plug interface is opened. If there is no signal at this time, it can also be prompted whether the external device is connected. The first prompt signal and the second prompt signal can be acoustic, optical, electrical signals, etc., which are not limited herein.

[0036] The radio frequency device 10 of the embodiment outputs the first prompt signal through the first prompt module 180 to remind the user that the connector 152 is in the state of closing the plug-in interface and the radio frequency device 10 works in the default antenna mode. The second prompt signal is outputted through the second prompt module 190 to remind the user that the connector 152 is in the state of opening the plug-in interface and the radio frequency device 10 works in the default antenna mode. If there is no signal at this time, the second prompt signal can also be used to remind the user to check the external device or connect the external device.

[0037] In an embodiment, in order to distinguish the first prompt signal and the second prompt signal, the first prompt module 180 can output the sound signal and the second prompt module 190 can output the light signal, or the first prompt module 180 outputs the first prompt signal which is always working, such as always bright, always beeping, etc., and the second prompt module 190 outputs the second prompt signal in an interval mode, such as interval light, beeping, etc., which is not limited herein.

[0038] In an embodiment, the first prompt module 180 includes the second resistor R81, the first light emitting element D81, the first switch tube Q81 and the third resistor R82. One end of the second resistor R81 is used to access the power supply signal VCC; the positive electrode of the first light emitting element D81 is electrically connected with the other end of the second resistor R81; the second end of the first switch tube Q81 is electrically connected with the negative electrode of the first light emitting element D81, and the first end of the first switch tube Q81 is grounded; one end of the third resistor R82 is electrically connected with the control end of the switch 120 and the connector 152, and the other end of the third resistor R82 is electrically connected with the control end of the first switch tube Q81.

[0039] The first prompt module 180 of the embodiment outputs the first prompt signal through the first light emitting element D81, and the first prompt module 180 is simple and easy to implement; in addition, the first prompt module 180 has few components and low cost.

[0040] In other embodiments, the first light emitting element D81 can output the first prompt signal in the interval light mode, which can reduce the energy consumption of the radio frequency device 10.

[0041] In an embodiment, the second prompting module 190 comprises a fourth resistor R91, a second light emitting element D91, a second switch Q91 and a fifth resistor R92. One end of the fourth resistor R91 is connected to the power supply signal VCC, and the other end of the fourth resistor R91 is electrically connected to the control end of the switch 120 and the connecting element 152. The positive electrode of the second light emitting element D91 is electrically connected to the other end of the fourth resistor R91. The first end of the second switch Q91 is connected to the negative electrode of the second light emitting element D91, and the second end of the second switch Q91 is grounded. One end of the fifth resistor R92 is electrically connected to the control end of the switch 120, the other end of the fourth resistor R91 and the connecting element 152, and the other end of the fourth resistor R91 is electrically connected to the control end of the second switch Q91.

[0042] The second prompting module 190 of the embodiment can emit the second prompting signal through the second light emitting element D91, and the module is simple and easy to implement. In addition, the module has few components and low cost. Further, the power supply signal can also provide the second voltage to the control end of the switch 120 through the fourth resistor R91, so as to realize the multiplexing of the signal generating module 170 and the second prompting module 190.

[0043] In other embodiments, the second light emitting element D91 can emit the second prompting signal in the manner of intermittent lighting, so as to reduce the energy consumption of the radio frequency device 10.

[0044] In an embodiment, the light emitting colors of the first light emitting element D81 and the second light emitting element D91 are different, so as to facilitate the distinction.

[0045] In an embodiment, the switch 120 is a single-pole double-throw switch 121.

[0046] The above is only the implementation of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is based on the content of the specification and drawings of the present application, is also included in the patent protection scope of the present application.

Claims

1. A radio frequency device, characterized by, The radio frequency device comprises: a shell provided with a plug interface; a connecting piece arranged in the shell, the connecting piece being configured to have a first state of closing the plug interface and a second state of opening the plug interface; and arranged in the shell: a radio frequency module; a switch electrically connected with the radio frequency module; a first antenna electrically connected with the switch; and a connector electrically connected with the switch, the connector being used to electrically connect with an external device through the plug interface; wherein the connecting piece is electrically connected with the switch in the first state, and the radio frequency module is in conduction with the first antenna; the connecting piece is disconnected from the switch in the second state, and the radio frequency module is in conduction with the external device electrically connected with the connector.

2. The radio frequency device according to claim 1, wherein the connecting piece is arranged outside the shell and movably connected with the shell to open and close the plug interface.

3. The radio frequency device according to claim 2, further comprising a first conductive piece and a second conductive piece arranged in the shell, the first conductive piece being grounded and electrically connected with one end of the connecting piece, and one end of the second conductive piece being electrically connected with a control end of the switch; wherein in the first state, the connecting piece closes the plug interface, the connecting piece is electrically connected with the second conductive piece, and the voltage of the control end of the switch is pulled down to a first voltage; in the second state, the connecting piece opens the plug interface, the connecting piece is disconnected from the second conductive piece, and the voltage of the control end of the switch returns to a second voltage; wherein the first voltage is less than the second voltage. The radio frequency device further comprises: a first prompt module electrically connected with the control end of the switch and the connecting piece and connected with a power supply signal, the first prompt module being used to output a first prompt signal in the first state.

4. The radio-frequency device according to claim 1, characterized in that The first prompt module comprises: a second resistor, one end of the second resistor being used to connect with the power supply signal; 5. The radio-frequency device according to claim 4, characterized in that a first light emitting piece, a positive electrode of the first light emitting piece being electrically connected with the other end of the second resistor; a first switch tube, a second end of the first switch tube being electrically connected with a negative electrode of the first light emitting piece, and a first end of the first switch tube being grounded; a third resistor, one end of the third resistor being electrically connected with the control end of the switch and the connecting piece, and the other end of the third resistor being electrically connected with a control end of the first switch tube. The radio frequency device further comprises: a second prompt module electrically connected with the control end of the switch and the connecting piece and connected with a power supply signal, the second prompt module being used to output a second prompt signal in the second state.

6. The radio-frequency device according to claim 1, characterized in that The second prompt module comprises: a fourth resistor, one end of the fourth resistor being used to connect with the power supply signal, and the other end of the fourth resistor being electrically connected with the control end of the switch and the connecting piece; 7. The radio-frequency device according to claim 6, characterized in that a second light emitting piece, a positive electrode of the second light emitting piece being electrically connected with the other end of the fourth resistor; a second switch tube, a first end of the second switch tube being electrically connected with a negative electrode of the second light emitting piece, and a second end of the second switch tube being grounded; ​ ​ A fifth resistor has one end electrically connected with the control end of the switch, the other end of the fourth resistor and the connecting piece, and the other end of the fourth resistor is electrically connected with the control end of the second switch tube.

8. The radio-frequency device according to claim 3, characterized in that The radio frequency device further comprises: A signal generating module is connected with the power supply signal and electrically connected with the control end of the switch and one end of the second conductive piece, wherein the signal generating module is configured to output the second voltage.

9. The radio-frequency device according to claim 8, characterized in that, The signal generating module comprises: A first resistor has one end configured to be connected with the power supply signal and the other end electrically connected with the control end of the switch and one end of the second conductive piece.

10. The radio-frequency device according to claim 1, characterized in that The radio frequency device further comprises: Either a second antenna or a power amplifier is detachably connected with the connector through the plug interface.

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