CN210723427U - Connecting device, user terminal and charging system - Google Patents
Connecting device, user terminal and charging system Download PDFInfo
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- CN210723427U CN210723427U CN201922336529.1U CN201922336529U CN210723427U CN 210723427 U CN210723427 U CN 210723427U CN 201922336529 U CN201922336529 U CN 201922336529U CN 210723427 U CN210723427 U CN 210723427U
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Abstract
The utility model discloses a connecting device, user terminal and charging system, connecting device includes: the first power supply pin is used for power supply signal transmission; the first grounding pin is used for grounding; the first communication pin module is used for communication transmission; wherein the first ground pin is located between the first power pin and the first communication pin module. The utility model discloses when technical scheme avoided first power pin short circuit, the voltage shock of first power pin damaged first communication pin module, and then protected first communication pin module, improved connecting device's security.
Description
Technical Field
The utility model relates to an electronic equipment field, in particular to connecting device, user terminal and charging system.
Background
In a common Pogo Pin interface design, a power Pin is usually next to a communication Pin, and a ground Pin thereof can be selectively placed on the power Pin side or the communication Pin side.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a connecting device, when aiming at avoiding the short circuit of first power pin, the voltage impact of first power pin damages first communication pin module, and then has protected first communication pin module, improves connecting device's security.
In order to achieve the above object, the present invention provides a connecting device, which comprises:
the first power supply pin is used for power supply signal transmission;
the first grounding pin is used for grounding;
the first communication pin module is used for communication transmission;
wherein the first ground pin is located between the first power pin and the first communication pin module.
Optionally, the first communication pin module comprises at least two communication pins.
Optionally, the connection device comprises:
and the two communication pins are respectively connected into the controller.
The present application further provides a user terminal, which includes:
the second power supply pin is used for power supply signal transmission;
the second grounding pin is used for grounding;
the second communication pin module is used for communication transmission;
wherein the second ground pin is located between the second power pin and the second communication pin module;
and the overcurrent protection module is connected with the second power supply pin.
Optionally, the user terminal further includes:
the second communication pin module is connected to the processor.
Optionally, the processor includes a decoding chip, and the second communication pin module is accessed into the decoding chip.
Optionally, the user terminal further includes:
the output end of the battery module is connected with the processor;
and the battery charging module is connected with the input end of the battery module.
Optionally, the second communication pin module comprises at least two communication pins.
The present application also proposes a charging system, the charging system including:
the connecting device as described above;
a user terminal as described above;
the setting sequence of the first power supply pin, the first grounding pin and the first communication pin module in the connecting device corresponds to the setting sequence of the second power supply pin, the second grounding pin and the second communication pin module in the user terminal.
The utility model discloses technical scheme is through setting up first ground pin between first communication pin module and first power pin, when the short circuit appears in first power pin, preferentially with first ground pin formation short circuit return circuit, first power pin is closed to the controller in the connecting device, avoids the voltage shock of first power pin to damage first communication pin module, and then has protected first communication pin module, improves connecting device's security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of a module structure of the connecting device of the present invention;
fig. 2 is a schematic diagram of a module structure of the user terminal of the present invention;
fig. 3 is a schematic diagram of a common module structure of the charging system of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
21 | Second |
| 10 | Connecting |
22 | |
| 11 | First |
23 | Second |
| 12 | |
24 | |
| 13 | First |
25 | |
| 14 | |
26 | |
| 20 | |
27 | Processor with a memory having a plurality of |
| 28 | Decoding chip |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, the present application provides a connecting device 10, where the connecting device 10 includes:
a first power pin 11 for power signal transmission;
a first ground pin 12 for grounding;
a first communication pin module 13 for communication transmission;
wherein the first ground pin 12 is located between the first power pin 11 and the first communication pin module 13.
The connecting device 10 is used for transmitting power signals and/or communication signals, wherein power in a power socket is mainly transmitted to the user terminal 20 for the user terminal 20 to use, and a pin terminal of the connecting device 10 is connected to the power socket or the user terminal 20. in order to realize the connection characteristic of the connecting device 10, the pin terminal of the connecting device 10 is generally designed to be exposed, so that the pin terminal is connected to the power socket or the user terminal 20, but the exposed pin is easy to contact with an external conductor and causes direct communication between the pins from the outside, thereby causing the damage of the equipment of the connecting device 10.
In order to avoid this, the first ground pin 12 is disposed between the first power pin 11 and the first communication pin module 13, so that the first power pin 11 can be connected to the first ground pin 12 first when short-circuited, the current of the first power pin 11 increases, the user terminal 20 connected to the connection device 10 starts the overcurrent protection operation, and closes the first power pin 11, so that the first communication pin module 13 is protected, or the first communication pin module 13 can be connected to the first ground pin 12 first when short-circuited, and the first communication pin module 13 and the first ground pin 12 are connected to form a short-circuit loop, so that the first power pin 11 is protected.
In this embodiment, the connection device 10 may be a universal serial bus connector, which includes a first communication pin module 13, a first power pin 11, and a first ground pin 12, where the first communication pin module 13 includes two communication pins, the two communication pins are a USB-D + pin and a USB-D-pin compatible with a universal serial bus standard, the connection device 10 implements audio data transmission with the user terminal 20 through the two communication pins, the first power pin 11 is a VBUS pin compatible with the universal serial bus standard, and the first ground pin 12 is a GND pin compatible with the universal serial bus standard.
Of course, the first communication pin module 13 may include more than two communication pins for audio data transmission between the connection device 10 and the user terminal 20.
The connection device 10 may be a patch cord, a data cord or a patch cord.
According to the technical scheme, the first grounding pin 12 is arranged between the first communication pin module 13 and the first power pin 11, when the first power pin 11 is short-circuited, a short circuit loop is preferentially formed with the first grounding pin 12, the controller 14 in the connecting device 10 closes the first power pin 11, the first communication pin module 13 is prevented from being damaged by voltage impact of the first power pin 11, the first communication pin module 13 is further protected, and the safety of the connecting device 10 is improved.
Further, the first communication pin module 13 includes at least two communication pins.
The first communication pin module 13 includes two communication pins, which are a USB-D + pin and a USB-D-pin compatible with the USB standard, and the connection device 10 implements audio data transmission with the user terminal 20 through the two communication pins.
Further, the connecting device 10 includes:
and the two communication pins are respectively connected into the controller 14.
The connection device 10 further includes a transformer, the transformer converts the power input from the power socket into a power voltage VBUS, the controller 14 is connected to the transformer, the controller 14 outputs a control signal to the transformer, and the transformer converts the power input from the power socket into the power voltage VBUS according to the control signal, wherein the power voltage VBUS converted by the transformer is variable, for example: in the normal charging mode, the transformer outputs the supply voltage VBUS to 5 volts according to the control signal provided by the controller 14, and in the fast charging mode, the transformer outputs the supply voltage VBUS to more than 5 volts according to the control signal provided by the controller 14.
Referring to fig. 2, the present application further provides a user terminal 20, where the user terminal 20 includes:
a second power supply pin 21 for power supply signal transmission;
a second ground pin 22 for grounding;
a second communication pin module 23 for communication transmission;
wherein the second ground pin 22 is located between the second power pin 21 and the second communication pin module 23.
And an overcurrent protection module 24 connected to the second power pin 21.
A predetermined current value is preset in the overcurrent protection module 24, and when the current value of the second power pin 21 exceeds the maximum value of the preset current, the overcurrent protection module 24 starts a protection action, so that a circuit breaker inside the user terminal 20 trips or gives an alarm signal.
In this embodiment, the second ground pin 22 is disposed between the second power pin 21 and the second communication pin module 23, so that the second power pin 21 can be connected to the second ground pin 22 first when short-circuited, the current of the second power pin 21 increases, the overcurrent protection module 24 starts the overcurrent protection operation and turns off the second power pin 21, so that the second communication pin module 23 is protected, or the second communication pin module 23 can be connected to the second ground pin 22 first when short-circuited, so that the second power pin 21 is protected.
Of course, other short circuit situations also exist for the subscriber terminal 20: the second power pin 21, the second ground pin 22 and the second communication pin module 23 contact metal foreign matters to cause short circuit, the second power pin 21 short circuits the second ground pin 22, the current of the second power pin 21 increases, the overcurrent protection module 24 starts overcurrent protection work, and the second power module is turned off, so that the second communication pin module 23 is protected from being damaged by voltage impact of the second power pin 21.
In the embodiment, the second communication pin module 23 includes two communication pins, the two communication pins are a USB-D + pin and a USB-D-pin compatible with the universal serial bus standard, the connection device 10 implements audio data transmission with the user terminal 20 through the two communication pins, the second power pin 21 is a VBUS pin compatible with the universal serial bus standard, and the second ground pin 22 is a GND pin compatible with the universal serial bus standard.
Of course, the second communication pin module 23 may include more than two communication pins for audio data transmission between the connection device 10 and the user terminal 20.
The user terminal 20 is a PAD or a mobile device.
According to the technical scheme of the embodiment, the second grounding pin 22 is arranged between the second communication pin module 23 and the second power pin 21, when the second power pin 21 is short-circuited, a short circuit loop is preferentially formed with the second grounding pin 22, the current of the second power pin 21 is increased, the overcurrent protection module 24 is started to guarantee the action, the processor 27 in the user terminal 20 closes the second power pin 21, and the second communication pin module 23 is prevented from being damaged by voltage impact of the second power pin 21, so that the second communication pin module 23 is protected, and the safety of the connecting device 10 is improved.
Further, the user terminal 20 further includes:
a processor 27, said second communication pin module 23 accessing said processor 27.
The processor 27 detects whether the second communication pin module 23 is shorted by an external device, if it is detected that the second communication pin module 23 is not shorted, the processor 27 determines that the external device is the connection device 10, then data transmission of the second communication pin module 23 is started, and if it is detected that the second communication pin module 23 is shorted, the processor 27 determines that the external device is not the connection device 10, then the connection data of the second communication pin module 23 is disconnected.
Further, the processor 27 includes a decoding chip 28, and the second communication pin module 23 is connected to the decoding chip 28.
When the second communication management module is connected to the first communication pin module 13 of the connection device 10, the processor 27 controls the decoding chip 28 to perform an authentication operation, if the processor 27 determines whether the verification operation is the same, the matching is successful, if the verification operation fails, the processor 27 closes the communication line with the connection device 10, otherwise, the processor 27 obtains the identification code of the connection device 10 and communicates with the connection device 10.
Further, the user terminal 20 further includes:
a battery module 26, an output end of the battery module 26 is connected with the processor 27;
a battery charging module 25, wherein the battery charging module 25 is connected with the input end of the battery module 26.
The battery module 26 and the battery charging module 25 are connected as a battery charging circuit, wherein the battery charging circuit is connected between the second power supply pin 21 and the processor 27.
The processor 27 receives the signal from the battery module 26, and the processor 27 detects whether the second power pin 21 is short-circuited, if it is detected that the second power pin 21 is not short-circuited, the processor 27 provides a control signal to the battery charging module 25 and the battery module 26 to receive the charging current, and if it is detected that the second power pin 21 is short-circuited, the processor 27 turns off the second power pin 21.
Further, the second communication pin module 23 comprises at least two communication pins.
The second communication pin module 23 includes two communication pins, which are a USB-D + pin and a USB-D-pin compatible with the USB standard, and the connection device 10 implements audio data transmission with the user terminal 20 through the two communication pins.
Referring to fig. 3, the present invention further provides a charging system 100, the charging system 100 includes a connecting device 10 and a user terminal 20, and the specific structures of the connecting device 10 and the user terminal 20 refer to the above embodiments, and since the charging system 100 adopts all the technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are at least provided, which is not repeated herein. Wherein, the arrangement sequence of the first power pin 11, the first ground pin 12 and the first communication pin module 13 in the connection device 10 corresponds to the arrangement sequence of the second power pin 21, the second ground pin 22 and the second communication pin module 23 in the user terminal 20. In order to enable the connection device 10 to communicate with the user terminal 20, the pin arrangement order in the connection device 10 is corresponding to the pin arrangement order in the user terminal 20, so that when the connection device 10 is connected with the user terminal 20, the first power pin 11, the first ground pin 12 and the first communication pin module 13 in the connection device 10 can respectively communicate with the second power pin 21, the second ground pin 22 and the second communication pin module 23 in the user terminal 20, so that the connection device 10 can transmit the high-end power signal and the communication signal in the user.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (9)
1. A connection device, characterized in that it comprises:
the first power supply pin is used for power supply signal transmission;
the first grounding pin is used for grounding;
the first communication pin module is used for communication transmission;
wherein the first ground pin is located between the first power pin and the first communication pin module.
2. The connecting device of claim 1, wherein the first communication pin module includes at least two communication pins.
3. The connecting device of claim 2, wherein the connecting device comprises:
and the two communication pins are respectively connected into the controller.
4. A user terminal, characterized in that the user terminal comprises:
the second power supply pin is used for power supply signal transmission;
the second grounding pin is used for grounding;
the second communication pin module is used for communication transmission;
wherein the second ground pin is located between the second power pin and the second communication pin module;
and the overcurrent protection module is connected with the second power supply pin.
5. The user terminal of claim 4, wherein the user terminal further comprises:
the second communication pin module is connected to the processor.
6. The user terminal of claim 5, wherein the processor comprises a decoding chip, the second communication pin module being accessed within the decoding chip.
7. The user terminal of claim 5, wherein the user terminal further comprises:
the output end of the battery module is connected with the processor;
and the battery charging module is connected with the input end of the battery module.
8. The user terminal of claim 4, wherein the second communication pin module comprises at least two communication pins.
9. An electrical charging system, comprising:
a connecting device as claimed in any one of claims 1 to 3;
the user terminal of any of claims 4-8;
the setting sequence of the first power supply pin, the first grounding pin and the first communication pin module in the connecting device corresponds to the setting sequence of the second power supply pin, the second grounding pin and the second communication pin module in the user terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336529.1U CN210723427U (en) | 2019-12-23 | 2019-12-23 | Connecting device, user terminal and charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336529.1U CN210723427U (en) | 2019-12-23 | 2019-12-23 | Connecting device, user terminal and charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210723427U true CN210723427U (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922336529.1U Active CN210723427U (en) | 2019-12-23 | 2019-12-23 | Connecting device, user terminal and charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210723427U (en) |
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2019
- 2019-12-23 CN CN201922336529.1U patent/CN210723427U/en active Active
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