CN113296031A - Radio frequency line installation detection device and terminal - Google Patents
Radio frequency line installation detection device and terminal Download PDFInfo
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- CN113296031A CN113296031A CN202010108344.XA CN202010108344A CN113296031A CN 113296031 A CN113296031 A CN 113296031A CN 202010108344 A CN202010108344 A CN 202010108344A CN 113296031 A CN113296031 A CN 113296031A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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Abstract
The application is applicable to the technical field of terminals, and provides a radio frequency line installation detection device and a terminal.A first radio frequency seat is connected with a power ground and is connected with a first radio frequency input end through a first blocking component on a mainboard; the third radio frequency base is connected with the first detection circuit and is connected with the second radio frequency input end through a third blocking assembly; on the auxiliary plate, a second radio frequency seat is connected with a second detection circuit and is connected with a first antenna through a second blocking assembly; the fourth radio frequency seat is connected with the first power supply through the pull-up resistor assembly and is connected with the second antenna through the fourth blocking assembly; the first radio frequency seat and the second radio frequency seat are respectively connected with the second radio frequency seat and the fourth radio frequency seat through a first radio frequency wire and a second radio frequency wire so as to form two radio frequency signal channels and two direct current signal channels; the first detection circuit and the second detection circuit detect the voltage on the direct current signal channel to respectively generate a first detection level and a second detection level; the identification of the connection state of the radio frequency line is realized.
Description
Technical Field
The application belongs to the technical field of terminals, and particularly relates to a radio frequency line installation detection device and a terminal.
Background
The traditional radio frequency line installation detection device comprises a main board and an auxiliary board, wherein as shown in fig. 1, the main board comprises a first blocking component, a first radio frequency input end, a third blocking component, a second radio frequency input end, a first radio frequency seat and a third radio frequency seat, the first radio frequency seat is connected with a power ground and is connected with the first radio frequency input end through the first blocking component, and the third radio frequency seat is connected with the power ground and is connected with the second radio frequency input end through the third blocking component; the subplate comprises a first detection circuit, a second stopping component, a first antenna, a second detection circuit, a fourth stopping component, a second detection circuit, a second antenna, a second radio frequency seat and a fourth radio frequency seat, wherein the second radio frequency seat is connected with the first detection circuit and is connected with the first antenna through the second stopping component, the fourth radio frequency seat is connected with the second detection circuit and is connected with the second antenna through the fourth stopping component, when the first radio frequency seat is connected with the second radio frequency seat and the third radio frequency seat is connected with the fourth radio frequency seat, the first detection circuit and the second detection circuit both output low level, and when the first radio frequency seat is connected with the fourth radio frequency seat and the third radio frequency seat is connected with the second radio frequency seat, the first detection circuit and the second detection circuit both output low level, therefore, the levels output by the first detection circuit and the second detection circuit are completely the same no matter how the radio frequency wire is connected with the radio frequency seat, therefore, the traditional radio frequency wire installation detection device cannot identify the connection fault of the radio frequency wire.
Disclosure of Invention
The embodiment of the application provides a radio frequency line installation detection device and a radio frequency line installation detection device, which can identify connection faults of radio frequency lines.
The embodiment of the application provides a radio frequency line installation detection device, which comprises a main board and an auxiliary board connected with the main board;
the mainboard comprises a first radio frequency seat, a first blocking assembly, a first radio frequency input end, a third radio frequency seat, a third blocking assembly, a first detection circuit and a second radio frequency input end;
the first radio frequency seat is connected with a power ground and is connected with the first radio frequency input end through the first blocking assembly;
the third radio frequency base is connected with the first detection circuit and is connected with the second radio frequency input end through the third blocking assembly;
the auxiliary plate comprises a second radio frequency seat, a second blocking assembly, a second detection circuit, a first antenna, a fourth radio frequency seat, a fourth blocking assembly, a pull-up resistor assembly and a second antenna;
the second radio frequency seat is connected with the second detection circuit and is connected with the first antenna through the second blocking assembly;
the fourth radio frequency seat is connected with a first power supply through the pull-up resistor assembly and is connected with the second antenna through the fourth blocking assembly;
the first radio frequency base is connected with the second radio frequency base or the fourth radio frequency base through a first radio frequency wire, and the third radio frequency base is connected with the second radio frequency base or the fourth radio frequency base through a second radio frequency wire so as to form two radio frequency signal channels and two direct current signal channels;
the first detection circuit detects the voltage on the direct current signal channel to generate a first detection level; the second detection circuit detects the voltage on the DC signal channel to generate a second detection level.
Illustratively, the first rf pad is connected to the second rf pad by a first rf line, and the third rf pad is connected to the fourth rf pad by a second rf line.
It should be understood that the above-mentioned radio frequency line connection manner is only an optional implementation manner, and a possible implementation manner of the first aspect includes that the first radio frequency base is connected to the second radio frequency base through a first radio frequency line and the third radio frequency base is connected to the fourth radio frequency base through a second radio frequency line, or the first radio frequency base is connected to the fourth radio frequency base through a first radio frequency line and the third radio frequency base is connected to the second radio frequency base through a second radio frequency line.
In one embodiment, the radio frequency cable installation detection device further includes:
and the control circuit is connected with the second radio frequency base, the third radio frequency base, the first detection circuit and the second detection circuit and is configured to obtain a radio frequency line connection state according to the first detection level and the second detection level.
In one embodiment, when the first rf pad is connected to the second rf pad through the first rf line and the third rf pad is connected to the fourth rf pad through the second rf line, the first detection level is high level, the second detection level is low level, the first detection level and the second detection level are in opposite phase, and the control circuit obtains that the connection state of the rf line is a normal state according to the opposite phase state of the first detection level and the second detection level.
In one embodiment, when the first rf pad is connected to the fourth rf pad through the first rf line and the third rf pad is connected to the second rf pad through the second rf line, the first detection level and the second detection level are in phase, and the control circuit obtains that the connection state of the rf line is a fault state according to the in-phase state of the first detection level and the second detection level.
In one embodiment, the main board further includes:
and the first DC blocking assembly is connected with the first radio frequency seat, the first DC blocking assembly and the power ground and is configured as a DC path for isolating the radio frequency signal on the DC signal channel to provide the second detection circuit with the power ground.
In one embodiment, the main board further includes:
and the third alternating current isolating assembly is connected with the third radio frequency base, the third direct current isolating assembly and the first detection circuit and is configured to isolate radio frequency signals on a direct current signal channel where the third alternating current isolating assembly is located.
In one embodiment, the sub-plate further comprises:
and the second alternating current isolating assembly is connected with the second radio frequency base, the second direct current isolating assembly and the second detection circuit and is configured to isolate radio frequency signals on the direct current signal channel.
In one embodiment, the sub-plate further comprises:
and the fourth alternating current isolating assembly is connected with the fourth radio frequency seat, the fourth direct current isolating assembly and the pull-up resistor and is configured to isolate the radio frequency signals on the direct current signal channel.
In one embodiment, the second detection circuit comprises a first resistor;
and the first end of the first resistor is connected with a second power supply, and the second end of the first resistor is the output end of the second detection circuit.
In one embodiment, the first detection circuit comprises a second resistor;
the first end of the second resistor is connected with a power ground, and the second end of the second resistor is the output end of the first detection circuit.
The embodiment of the application also provides a terminal, which comprises the radio frequency line installation detection device.
The embodiment of the application comprises a main board and an auxiliary board, wherein a first radio frequency seat is connected with a power ground and is connected with a first radio frequency input end through a first blocking component on the main board; the third radio frequency base is connected with the first detection circuit and is connected with the second radio frequency input end through a third blocking assembly; on the auxiliary plate, a second radio frequency seat is connected with a second detection circuit and is connected with a first antenna through a second blocking assembly; the fourth radio frequency seat is connected with the first power supply through the pull-up resistor assembly and is connected with the second antenna through the fourth blocking assembly; the first radio frequency base is connected with the second radio frequency base or the fourth radio frequency base through a first radio frequency wire, and the third radio frequency base is connected with the second radio frequency base or the fourth radio frequency base through a second radio frequency wire so as to form two radio frequency signal channels and two direct current signal channels; the first detection circuit detects the voltage on the direct current signal channel to generate a first detection level; the second detection circuit detects the voltage on the direct current signal channel to generate a second detection level; because the first detection circuit and the second detection circuit can respectively output the same-phase or opposite-phase levels when the radio frequency lines are different in connection mode, the connection state of the radio frequency lines can be identified through the first detection level and the second detection level, and therefore the communication fault of the ground terminal caused by the wrong connection of the radio frequency lines is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a block schematic diagram of a conventional RF line installation detection device;
fig. 2 is a schematic block diagram of an rf cable installation detection apparatus according to an embodiment of the present disclosure;
fig. 3 is another block diagram of an rf cable installation detection apparatus according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of another module of the radio frequency cable installation detection apparatus according to the embodiment of the present application;
fig. 5 is a schematic diagram of another module of the radio frequency cable installation detection apparatus according to the embodiment of the present application;
fig. 6 is a schematic diagram of another module of the radio frequency cable installation detection apparatus according to the embodiment of the present application;
fig. 7 is another block diagram of an rf cable installation detection apparatus according to an embodiment of the present disclosure;
fig. 8 is a schematic diagram of another module of the radio frequency cable installation detection apparatus according to the embodiment of the present application;
fig. 9 is a schematic diagram of another module of the radio frequency cable installation detection apparatus according to the embodiment of the present application;
fig. 10 is a circuit diagram of an exemplary rf cable installation detection apparatus according to an embodiment of the present disclosure;
fig. 11 is a circuit configuration diagram of another example of the radio frequency cable installation detection apparatus according to the embodiment of the present application;
fig. 12 is another exemplary circuit structure diagram of an rf cable installation detection apparatus according to an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to" determining "or" in response to detecting ". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
The radio frequency cable installation detection device provided by the embodiment of the application can be applied to mobile phones, tablet computers, wearable devices, vehicle-mounted devices, Augmented Reality (AR)/Virtual Reality (VR) devices, notebook computers, ultra-mobile personal computers (UMPCs), netbooks, Personal Digital Assistants (PDAs) and other terminal devices, and the embodiment of the application does not limit the specific types of the terminal devices at all.
For example, the terminal device may be a Station (ST) in a WLAN, which may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA) device, a handheld device with Wireless communication capability, a computing device or other processing device connected to a Wireless modem, a vehicle-mounted device, a vehicle-mounted networking terminal, a computer, a laptop, a handheld communication device, a handheld computing device, a satellite Wireless device, a Wireless modem card, a television set-top box (STB), a Customer Premises Equipment (CPE), and/or other devices for communicating over a Wireless system and a next generation communication system, such as a Mobile terminal in a 5G Network or a Public Land Mobile Network (future evolved, PLMN) mobile terminals in the network, etc.
By way of example and not limitation, when the terminal device is a wearable device, the wearable device may also be a generic term for intelligently designing daily wearing by applying wearable technology, developing wearable devices, such as glasses, gloves, watches, clothing, shoes, and the like. A wearable device is a portable device that is worn directly on the body or integrated into the clothing or accessories of the user. The wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction and cloud interaction. The generalized wearable intelligent device has the advantages that the generalized wearable intelligent device is complete in function and large in size, can realize complete or partial functions without depending on a smart phone, such as a smart watch or smart glasses, and only is concentrated on a certain application function, and needs to be matched with other devices such as the smart phone for use, such as various smart bracelets for monitoring physical signs, smart jewelry and the like.
Fig. 2 shows a module structure of the radio frequency cable installation detection apparatus provided in the embodiment of the present invention, and for convenience of description, only the parts related to the embodiment of the present invention are shown, and detailed descriptions are as follows:
the radio frequency line installation detection device comprises a main board and an auxiliary board connected with the main board.
The mainboard comprises a first radio frequency seat 01, a first blocking component 02, a first radio frequency input end 03, a third radio frequency seat 04, a third blocking component 05, a first detection circuit 06 and a second radio frequency input end 07.
The first radio frequency base 01 is connected with a power ground and is connected with a first radio frequency input end 03 through a first blocking component 02; the third rf pad 04 is connected to the first detection circuit 06 and connected to the second rf input terminal 07 through the third dc blocking component 05.
The sub-board comprises a second radio frequency socket 08, a second blocking assembly 09, a second detection circuit 10, a first antenna 11, a fourth radio frequency socket 12, a fourth blocking assembly 13, a pull-up resistor assembly 14 and a second antenna 15.
The second radio frequency base 08 is connected with the second detection circuit 10 and is connected with the first antenna 11 through the second blocking component 09; the fourth rf pad 12 is connected to the first power source through a pull-up resistor 14 and is connected to the second antenna 15 through a fourth dc blocking component 13.
The first radio frequency base 01 is connected with the second radio frequency base 08 or the fourth radio frequency base 12 through a first radio frequency wire, and the third radio frequency base 04 is connected with the second radio frequency base 08 or the fourth radio frequency base 12 through a second radio frequency wire to form two radio frequency signal channels and two direct current signal channels; the first detection circuit 06 detects the voltage on the dc signal path to generate a first detection level; the second detection circuit 10 detects the voltage on the dc signal path to generate a second detection level.
As shown in fig. 3, the radio frequency wire installation detecting device further includes a control circuit 16.
The control circuit 16 is connected to the second rf pad 08, the third rf pad 04, the first detection circuit 06, and the second detection circuit 10, and configured to obtain a connection state of the rf lines according to the first detection level and the second detection level.
As shown in fig. 4, when the first rf pad 01 is connected to the second rf pad 08 through the first rf line and the third rf pad 04 is connected to the fourth rf pad 12 through the second rf line, the first detection level is a high level, the second detection level is a low level, the first detection level and the second detection level are in a reverse phase, and the control circuit 16 obtains that the connection state of the rf line is a normal state according to the reverse phase state of the first detection level and the second detection level.
When the first radio frequency base 01 is connected with the second radio frequency base 08 through the first radio frequency line and the third radio frequency base 04 is connected with the fourth radio frequency base 12 through the second radio frequency line, the first detection circuit 06 detects the voltage on the direct current signal channel (the pull-up resistor component 14, the fourth radio frequency base 12 and the third radio frequency base 04), the voltage is pulled up by the pull-up resistor component 14, and the second detection circuit 10 outputs a high level; the second detection circuit 10 detects the voltage on the dc signal channel (the second rf pad 08, the first rf pad 01, and the power ground), which is pulled down to the power ground, so the second detection circuit 10 outputs a low level; the control circuit 16 obtains the connection state of the radio frequency line as a normal state according to the inverse state of the first detection level and the second detection level.
As shown in fig. 5, when the first rf pad 01 is connected to the fourth rf pad 12 through the first rf line and the third rf pad 04 is connected to the second rf pad 08 through the second rf line, the first detection level and the second detection level are in phase, and the control circuit 16 obtains the connection state of the rf line as a fault state according to the in-phase state of the first detection level and the second detection level.
When the first rf socket 01 is connected to the fourth rf socket 12 through the first rf line and the third rf socket 04 is connected to the second rf socket 08 through the second rf line, the first detection circuit 06 detects the voltage on the dc signal channel (the first detection circuit 06, the second rf socket 08, and the third rf socket 04), the voltage is the same as the voltage detected by the second detection circuit 10, and the control circuit 16 obtains the connection state of the rf line as a fault state according to the in-phase state of the first detection circuit and the second detection circuit.
As shown in fig. 6, the main board further comprises a first partition assembly 17.
The first blocking assembly 17 is connected to the first rf pad 01, the first dc blocking assembly 02 and the power ground, and is configured to isolate the rf signal on the dc signal path to provide a dc path to the power ground for the second detection circuit 10.
When the first rf socket 01 is connected to the second rf socket 08 through the first rf line and the third rf socket 04 is connected to the fourth rf socket 12 through the second rf line, the first ac isolating component 17 isolates the rf signals on the dc signal channel (the second detection circuit 10, the second rf socket 08, the first rf socket 01, the first ac isolating component 17, and the power ground) to provide the dc path to the power ground for the second detection circuit 10. When the first rf socket 01 is connected to the fourth rf socket 12 through the first rf line and the third rf socket 04 is connected to the second rf socket 08 through the second rf line, the first ac isolating component 17 isolates the rf signals on the dc signal channels (the first power VAA, the pull-up resistor component 14, the fourth rf socket 12, the first rf socket 01, the first ac isolating component 17, and the power ground).
As shown in fig. 7, the main board further includes a third partition assembly 18.
The third ac isolating component 18 is connected to the third rf block 04, the third dc isolating component 05 and the first detecting circuit 06, and is configured to isolate the rf signal on the dc signal channel.
When the first radio frequency base 01 is connected with the second radio frequency base 08 through the first radio frequency line and the third radio frequency base 04 is connected with the fourth radio frequency base 12 through the second radio frequency line, the third alternating current isolating component 18 isolates the radio frequency signals on the direct current signal channels (the first power supply VAA, the pull-up resistor component 14, the fourth radio frequency base 12, the third radio frequency base 04, the third alternating current isolating component 18 and the first detection circuit 06); when the first rf socket 01 is connected to the fourth rf socket 12 through the first rf line and the third rf socket 04 is connected to the second rf socket 08 through the second rf line, the third ac isolating component 18 isolates the rf signals in the dc signal channels (the second detection circuit 10, the second rf socket 08, the third rf socket 04, the third ac isolating component 18 and the first detection circuit 06) to provide dc paths for the first detection circuit 06 and the second detection circuit 10.
As shown in fig. 8, the sub-panel further comprises a second partition assembly 19.
The second isolating and switching assembly 19 is connected to the second rf socket 08, the second dc isolating assembly 09, and the second detection circuit 10, and is configured to isolate the rf signal on the dc signal path.
When the first rf socket 01 is connected to the second rf socket 08 through the first rf line and the third rf socket 04 is connected to the fourth rf socket 12 through the second rf line, the second ac isolating component 19 isolates the rf signals on the dc signal channel (the second detection circuit 10, the second ac isolating component 19, the second rf socket 08, the first rf socket 01, and the power ground) to provide a dc path to the power ground for the second detection circuit 10. When the first rf socket 01 is connected to the fourth rf socket 12 through the first rf line and the third rf socket 04 is connected to the second rf socket 08 through the second rf line, the second ac isolating component 19 isolates the rf signals in the dc signal channels (the second detection circuit 10, the second ac isolating component 19, the second rf socket 08, the third rf socket 04, and the first detection circuit 06) to provide dc paths for the first detection circuit 06 and the second detection circuit 10.
As shown in fig. 9, the sub-panel further comprises a fourth partition assembly 20.
The fourth ac isolating component 20 is connected to the fourth rf pad 12, the fourth dc isolating component 13 and the pull-up resistor, and is configured to isolate the rf signal on the dc signal channel.
When the first radio frequency base 01 is connected with the second radio frequency base 08 through a first radio frequency line and the third radio frequency base 04 is connected with the fourth radio frequency base 12 through a second radio frequency line, the fourth alternating current isolating component 20 isolates radio frequency signals on a direct current signal channel (the first power supply VAA, the pull-up resistor component 14, the fourth alternating current isolating component 20, the fourth radio frequency base 12, the third radio frequency base 04 and the first detection circuit 06) to provide a direct current path for the first detection circuit 06; when the first rf socket 01 is connected to the fourth rf socket 12 through the first rf line and the third rf socket 04 is connected to the second rf socket 08 through the second rf line, the fourth ac isolating component 20 isolates the rf signals on the dc signal channels (the first power VAA, the pull-up resistor component 14, the fourth ac isolating component 20, the fourth rf socket 12, the first rf socket 01, and the power ground).
Fig. 10 shows an exemplary circuit structure of a radio frequency line installation detection apparatus provided in an embodiment of the present invention, and for convenience of description, only the portions related to the embodiment of the present invention are shown, and detailed descriptions are as follows:
the second detection circuit 10 includes a first resistor R1; the first terminal of the first resistor R1 is connected to the second power source VBB, and the second terminal of the first resistor R1 is the output terminal of the second detection circuit 10.
The first detection circuit 06 includes a second resistor R2; a first terminal of the second resistor R2 is connected to power ground, and a second terminal of the second resistor R2 is an output terminal of the first detection circuit 06.
The first interleaved assembly 17 comprises a first inductance L1; the second partition assembly 19 comprises a second inductance L2; the third crossover assembly 18 includes a third inductance L3; the fourth crossover assembly 20 includes a fourth inductance L4.
The first dc blocking assembly 02 comprises a first capacitance C1; the second dc blocking assembly 09 comprises a second capacitance C2; the third dc blocking component 05 comprises a third capacitance C3; the fourth dc blocking component 13 comprises a fourth capacitance C4.
The description of fig. 10 is further described below in conjunction with the working principle:
when the first rf pad 01 is connected to the second rf pad 08 through the first rf line and the third rf pad 04 is connected to the fourth rf pad 12 through the second rf line, as shown in fig. 11, the second end of the first resistor R1 is pulled down to a low level by the first inductor L1, so the first detection circuit 06 outputs a first detection level of the low level; since the resistance of the second resistor R2 is much larger than that of the third resistor R3, the second end of the second resistor R2 is pulled up to a high level by the third resistor R3, so that the second detection circuit 10 outputs a second detection level of the high level; the first detection level and the second detection level are in reverse phase, and the control circuit 16 obtains that the connection state of the radio frequency line is a normal state according to the reverse phase state of the first detection level and the second detection level.
When the first rf pad 01 is connected to the fourth rf pad 12 through the first rf line and the third rf pad 04 is connected to the second rf pad 08 through the second rf line, as shown in fig. 12, since the resistance of the second resistor R2 is much larger than the resistance of the first resistor R1, the second end of the first resistor R1 and the second end of the second resistor R2 are both pulled up to a high level by the first resistor R1, so that the first detection level and the second detection level are in the same phase, and the control circuit 16 obtains the connection state of the rf line as a fault state according to the in-phase state of the first detection level and the second detection level.
The embodiment of the invention comprises a main board and an auxiliary board, wherein in the main board, a first radio frequency seat is connected with a power ground and is connected with a first radio frequency input end through a first blocking component; the third radio frequency base is connected with the first detection circuit and is connected with the second radio frequency input end through a third blocking assembly; in the auxiliary plate, a second radio frequency seat is connected with a second detection circuit and is connected with a first antenna through a second blocking assembly; the fourth radio frequency seat is connected with the first power supply through the pull-up resistor assembly and is connected with the second antenna through the fourth blocking assembly; the first radio frequency base is connected with the second radio frequency base or the fourth radio frequency base through a first radio frequency wire, and the third radio frequency base is connected with the second radio frequency base or the fourth radio frequency base through a second radio frequency wire so as to form two radio frequency signal channels and two direct current signal channels; the first detection circuit detects the voltage on the direct current signal channel to generate a first detection level; the second detection circuit detects the voltage on the direct current signal channel to generate a second detection level; because the first detection circuit and the second detection circuit can respectively output the same-phase or opposite-phase levels when the radio frequency lines are different in connection mode, the connection state of the radio frequency lines can be identified through the first detection level and the second detection level, and therefore the communication fault of the ground terminal caused by the wrong connection of the radio frequency lines is avoided.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal may be implemented in other manners. For example, the above-described apparatus/terminal embodiments are merely illustrative, and for example, a division of a component, a circuit, a module, or a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (11)
1. A radio frequency line installation detection device is characterized by comprising a main board and an auxiliary board connected with the main board;
the mainboard comprises a first radio frequency seat, a first blocking assembly, a first radio frequency input end, a third radio frequency seat, a third blocking assembly, a first detection circuit and a second radio frequency input end;
the first radio frequency seat is connected with a power ground and is connected with the first radio frequency input end through the first blocking assembly;
the third radio frequency base is connected with the first detection circuit and is connected with the second radio frequency input end through the third blocking assembly;
the auxiliary plate comprises a second radio frequency seat, a second blocking assembly, a second detection circuit, a first antenna, a fourth radio frequency seat, a fourth blocking assembly, a pull-up resistor assembly and a second antenna;
the second radio frequency seat is connected with the second detection circuit and is connected with the first antenna through the second blocking assembly;
the fourth radio frequency seat is connected with a first power supply through the pull-up resistor assembly and is connected with the second antenna through the fourth blocking assembly;
the first radio frequency base is connected with the second radio frequency base or the fourth radio frequency base through a first radio frequency wire, and the third radio frequency base is connected with the second radio frequency base or the fourth radio frequency base through a second radio frequency wire so as to form two radio frequency signal channels and two direct current signal channels;
the first detection circuit detects the voltage on the direct current signal channel to generate a first detection level; the second detection circuit detects the voltage on the DC signal channel to generate a second detection level.
2. The radio frequency line installation detection device of claim 1, further comprising:
and the control circuit is connected with the second radio frequency base, the third radio frequency base, the first detection circuit and the second detection circuit and is configured to obtain a radio frequency line connection state according to the first detection level and the second detection level.
3. The radio frequency cable installation detecting device according to claim 2, wherein when the first radio frequency block is connected to the second radio frequency block through the first radio frequency cable and the third radio frequency block is connected to the fourth radio frequency block through the second radio frequency cable, the first detection level is a high level, the second detection level is a low level, the first detection level is opposite to the second detection level, and the control circuit obtains a radio frequency cable connection state as a normal state according to an opposite state of the first detection level and the second detection level.
4. The radio frequency cable installation detecting device according to claim 2, wherein when the first radio frequency block is connected to the fourth radio frequency block through the first radio frequency cable and the third radio frequency block is connected to the second radio frequency block through the second radio frequency cable, the first detection level and the second detection level are in phase, and the control circuit obtains a radio frequency cable connection state as a fault state according to an in-phase state of the first detection level and the second detection level.
5. The radio frequency line installation detection device of claim 1, wherein the main board further comprises:
and the first DC blocking assembly is connected with the first radio frequency seat, the first DC blocking assembly and the power ground and is configured as a DC path for isolating the radio frequency signal on the DC signal channel to provide the second detection circuit with the power ground.
6. The radio frequency line installation detection device of claim 1, wherein the main board further comprises:
and the third alternating current isolating assembly is connected with the third radio frequency base, the third direct current isolating assembly and the first detection circuit and is configured to isolate radio frequency signals on a direct current signal channel where the third alternating current isolating assembly is located.
7. The radio frequency line installation detection device of claim 1, wherein the sub-board further comprises:
and the second alternating current isolating assembly is connected with the second radio frequency base, the second direct current isolating assembly and the second detection circuit and is configured to isolate radio frequency signals on the direct current signal channel.
8. The radio frequency line installation detection device of claim 1, wherein the sub-board further comprises:
and the fourth alternating current isolating assembly is connected with the fourth radio frequency seat, the fourth direct current isolating assembly and the pull-up resistor and is configured to isolate the radio frequency signals on the direct current signal channel.
9. The radio frequency cord installation detection device of claim 1, wherein said second detection circuit comprises a first resistor;
and the first end of the first resistor is connected with a second power supply, and the second end of the first resistor is the output end of the second detection circuit.
10. The radio frequency cord installation detection device of claim 1, wherein said first detection circuit includes a second resistor;
the first end of the second resistor is connected with a power ground, and the second end of the second resistor is the output end of the first detection circuit.
11. A terminal comprising a radio frequency line installation detection device as claimed in any one of claims 1 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010108344.XA CN113296031B (en) | 2020-02-21 | 2020-02-21 | Radio frequency line installation detection device and terminal |
| PCT/CN2020/125202 WO2021164309A1 (en) | 2020-02-21 | 2020-10-30 | Radio frequency line installation detection apparatus and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010108344.XA CN113296031B (en) | 2020-02-21 | 2020-02-21 | Radio frequency line installation detection device and terminal |
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| Publication Number | Publication Date |
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| CN113296031A true CN113296031A (en) | 2021-08-24 |
| CN113296031B CN113296031B (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010108344.XA Active CN113296031B (en) | 2020-02-21 | 2020-02-21 | Radio frequency line installation detection device and terminal |
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| Country | Link |
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| CN (1) | CN113296031B (en) |
| WO (1) | WO2021164309A1 (en) |
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| CN113933618A (en) * | 2021-09-10 | 2022-01-14 | 荣耀终端有限公司 | Test device, radio frequency device and detection system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113296031B (en) | 2022-04-19 |
| WO2021164309A1 (en) | 2021-08-26 |
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