CN214314671U - Charging equipment and charging system - Google Patents
Charging equipment and charging system Download PDFInfo
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- CN214314671U CN214314671U CN202120483887.XU CN202120483887U CN214314671U CN 214314671 U CN214314671 U CN 214314671U CN 202120483887 U CN202120483887 U CN 202120483887U CN 214314671 U CN214314671 U CN 214314671U
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Abstract
The application discloses battery charging outfit and charging system belongs to electronic circuit technical field. Wherein the charging device includes: the detection module comprises a detection module and a Type-A female head, wherein the Type-A female head of the detection module comprises a first signal pin and a second signal pin, the first end of the detection module is connected with the first signal pin of the detection module, and the second end of the detection module is connected with the second signal pin of the detection module; the detection module data line comprises a Type-A male head, the detection module Type-A male head comprises a third signal pin, a fourth signal pin, a grounding pin, a first resistor and a second resistor, the first resistor of the detection module is connected between the third signal pin of the detection module and the grounding pin of the detection module, and the second resistor of the detection module is connected between the fourth signal pin of the detection module and the grounding pin of the detection module. The charging equipment can improve the reliability of an interface at one end of the data line connecting electric equipment and the accuracy of detecting the ID of the data line.
Description
Technical Field
The application belongs to the field of electronic circuits, and particularly relates to a charging device and a charging system.
Background
At present, before a mobile phone is charged with a large current, a line ID of a data line is detected by a line ID detection circuit in a Type-C interface at one end of the mobile phone connected to the data line, and then the maximum through-current and the support voltage of the data line are determined according to the line ID, so that the mobile phone is charged with the maximum charging power matched with the maximum through-current and the support voltage of the data line.
However, on the one hand, since the line ID detection circuit is disposed in the Type-C interface at one end of the data line connected to the mobile phone, the length of the Type-C interface at one end of the data line connected to the mobile phone is increased, and thus the Type-C interface at one end of the data line connected to the mobile phone cannot bear a large pulling force, and further the Type-C interface at one end of the data line connected to the mobile phone is easily damaged, that is, the reliability is reduced. On the other hand, because the distance between the pin in the Type-C interface of data line connection cell-phone one end is little, and the distance between the metal casing of pin and the Type-C interface of being connected cell-phone one end is also little, when this leads to entering Type-C interface such as foreign matter or liquid, causes line ID detection circuitry's circuit structure to change easily, and then leads to the line ID mistake that the cell-phone detected.
SUMMERY OF THE UTILITY MODEL
An object of the embodiments of the present application is to provide a charging device and a charging system, which can improve the reliability of an interface at one end of a data line connected to an electric device, and the accuracy of detecting an ID of the data line.
In order to solve the technical problem, the present application is implemented as follows:
in a first aspect, an embodiment of the present application provides a charging apparatus, including travel charging and a data line, wherein:
the travel charger comprises a detection module and a Type-A female head, wherein the Type-A female head comprises a first signal pin and a second signal pin, the first end of the detection module is connected with the first signal pin, and the second end of the detection module is connected with the second signal pin;
the data line comprises a Type-A male head, the Type-A male head comprises a third signal pin, a fourth signal pin, a grounding pin, a first resistor and a second resistor, the first resistor is connected between the third signal pin and the grounding pin, and the second resistor is connected between the fourth signal pin and the grounding pin;
when the charging equipment is in a working state, the travel charger is in plug-in fit with the data line, the first signal pin is connected with the third signal pin, the second signal pin is connected with the fourth signal pin, and the detection module can determine the line ID of the data line according to the first voltage value at the two ends of the first resistor and the second voltage value at the two ends of the second resistor.
In a second aspect, an embodiment of the present application provides a charging system, which includes a powered device and the charging device according to the first aspect.
In an embodiment of the present application, there is provided a charging device including a travel charging and data line, wherein: the travel charger comprises a detection module and a Type-A female head, wherein the Type-A female head comprises a first signal pin and a second signal pin, the first end of the detection module is connected with the first signal pin, and the second end of the detection module is connected with the second signal pin; the data line comprises a Type-A male head, the Type-A male head comprises a third signal pin, a fourth signal pin, a grounding pin, a first resistor and a second resistor, the first resistor is connected between the third signal pin and the grounding pin, and the second resistor is connected between the fourth signal pin and the grounding pin; when the charging equipment is in a working state, the traveling charger is in plug-in fit with the data line, the first signal pin is connected with the third signal pin, the second signal pin is connected with the fourth signal pin, and the detection module can determine the line ID of the data line according to the first voltage value at the two ends of the first resistor and the second voltage value at the two ends of the second resistor. Thus, the detection of the line ID of the data line can be realized by utilizing the Type-A male connector and the travel of the data line. Therefore, on the one hand, the line ID detection is realized without using the interface (such as a Type-C interface) at one end of the data line for connecting the electric equipment, which avoids the increase of the length of the interface at one end of the data line for connecting the electric equipment, so that the interface at one end of the data line for connecting the electric equipment can bear large pulling force, and the reliability of the interface at one end of the data line for connecting the electric equipment is improved. On the other hand, because the space of the Type-A male head of the data line is large, namely the distance between the pins in the Type-A male head of the data line and the metal shell are large, when the charging equipment is in an operating state, the risk that the structure of the circuit path where the first resistor and the second resistor are located is changed by foreign matters or liquid entering the Type-A male head of the data line is reduced, and the accuracy of detecting the ID of the data line is improved. Further, because the space of the Type-A public head of the data line is large, the first resistor and the second resistor are added in the Type-A public head of the data line, or the length of the Type-A public head of the data line cannot be increased due to the further addition of the first signal pin and the second signal pin, and the pulling force born by the Type-A public head of the data line is unchanged, namely the reliability of the Type-A public head of the data line is not changed.
Drawings
Fig. 1 is a schematic structural diagram of a charging device according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a female Type-A head in travel charging according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a Type-A male connector in a data line according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a Type-A male header in another data line provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a circuit path formed between a charging and data line when a charging device is in an operating state according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electric device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The charging device and the charging system provided by the embodiment of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
The embodiment of the present application provides a charging device 10, as shown in fig. 1, the charging device 10 includes a charger 110 and a data line 120.
The charger 110 comprises a detection module 1101 and a Type-A female head 1102, the Type-A female head 1102 comprises a first signal pin 11021 and a second signal pin 11022, a first end of the detection module 1101 is connected with the first signal pin 11021, and a second end of the detection module 1101 is connected with the second signal pin 11022.
The data line 120 includes a Type-a male header 1201, the Type-a male header 1201 includes a third signal pin 12011, a fourth signal pin 12012, a ground pin 12013, a first resistor 12014, and a second resistor 12015, the first resistor 12014 is connected between the third signal pin 12011 and the ground pin 12013, and the second resistor 12015 is connected between the fourth signal pin 12012 and the ground pin 12013.
When the charging device 10 is in an operating state, the charger 110 is plugged and matched with the data line 120, the first signal pin 11021 is connected to the third signal pin 12011, the second signal pin 11022 is connected to the fourth signal pin 12012, and the detection module 1101 may determine the line ID of the data line 120 according to a first voltage value at two ends of the first resistor 12014 and a second voltage value at two ends of the second resistor 12015.
In addition, it can be understood that the Type-a female header includes a ground pin 11023, and the third terminal of the detection module 1101 is connected to the ground pin 11023.
In the embodiment of the application, the Type-A female head is a USB2.0 Type-A female head, a USB3.0Type-A female head or a USB3.1Type-A female head.
In one embodiment of the present application, the Type-a female header may be a Type-a female header that adds the first signal pin 11021 and the second signal pin 11022 to an existing USB2.0 Type-a female header.
In another embodiment of the present application, the Type-A female head can also be a USB3.0Type-A female head or a USB3.1Type-A female head.
In the case that the Type-a header is a USB3.0Type-a header or a USB3.1Type-a header, the first signal pin 11021 may be an SSRX + pin, and the second signal pin 11022 may be an SSRX-pin. Thus, the first signal pin 11021 and the second signal pin 11022 adopt the existing pins in the Type-A female head, and the improvement of the Type-A female head in the travel charging process can be avoided.
In an example of the present application, in the case that the Type-a female header is a USB3.0Type-a female header or a USB3.1Type-a female header, and includes the first signal pin SSRX + and the second signal pin SSRX-, as shown in fig. 2, the Type-a female header further includes a pin Vbus 11024, a pin D +11025, a pin D-11026, a pin SSTx +11027, and a pin SSTx-11028.
In this application embodiment, because the female head of Type-A can be the female head of Type-A of polytype, consequently, the charging equipment 10's that this application embodiment provided compatibility is high.
In one embodiment of the present application, the Type-A male 1201 is 2.0Type-A male, USB3.0Type-A male, or USB3.1Type-A male.
In an example of the present application, when the Type-a male plug 1201 is a USB2.0 Type-a male plug, the third signal pin 12011, the fourth signal pin 12012, the first resistor 12014, and the second resistor 12015 are added to the existing USB2.0 Type-a male plug. On the basis, when the Type-a male plug 1201 is a USB2.0 Type-a male plug, as shown in fig. 3, the Type-a male plug 1201 further includes a pin Vbus 12016, a pin D +12017, and a pin D-12018 on the basis of including a third signal pin 12011, a fourth signal pin 12012, a ground pin 12013, a first resistor 12014, and a second resistor 12015.
In another example of the present application, in the case that the Type-a male header 1201 is a usb3.0Type-a male header or a usb3.1Type-a male header, as shown in fig. 4, the third signal pin 12011, the fourth signal pin 12012, the ground pin 12013, the first resistor 12014, and the second resistor 12015 are further included, and the pin Vbus 12016, the pin D +12017, the pin D-12018, the pin SSTx +12019, and the pin SSTx-12020 are further included.
In the embodiment of the present application, since the data line 120 may be a data line with multiple types of Type-a male connectors, the charging device 10 provided in the embodiment of the present application has high compatibility.
In one embodiment of the present application, in the case where the first signal pin 11021 is pin SSRX +, the second signal pin 11022 is pin SSRX-, the third signal pin 12011 in the Type-A male header of the data line 120 is pin SSRX +, and the fourth signal pin 12012 is pin SSRX-.
In this embodiment, when the first signal pin 11021 is the pin SSRX +, the second signal pin 11022 is the pin SSRX +, the third signal pin 12011 is the pin SSRX +, and the fourth signal pin 12012 is the pin SSRX +, the Type-a male header 1201 of the data line 120 is the USB2.0 Type-a male header, and no pin corresponding to the third signal pin 12011 and the fourth signal pin 12012 exists on the interface of the end of the electrical device 20 connected to the data line 120, so the structure of the path of the circuit where the first resistor 12014 and the second resistor 12015 are located is not changed, and the first voltage value and the second voltage value detected by the detecting module 1101 are not affected.
On the basis that the Type-a male plug 1201 of the data line 120 is a USB3.0Type-a male plug or a USB3.1Type-a, the dc blocking capacitor (e.g., the first capacitor 220 shown in fig. 6) is connected to the fifth signal pin 211 connected to the corresponding pin of the third signal pin 12011 on the interface at the end of the connection-using device 20 of the data line 120, and the dc blocking capacitor (e.g., the second capacitor 230 shown in fig. 6) is connected to the sixth signal pin 212 connected to the corresponding pin of the fourth signal pin 12012 on the interface at the end of the connection-using device 20 of the data line 120, so that the structure of the path of the circuit in which the first resistor 12014 and the second resistor 12015 are located cannot be changed, and the first voltage value and the second voltage value detected by the detection module 1101 cannot be affected.
In one embodiment of the present application, the first resistor 12014 and the second resistor 12015 each have a resistance greater than 10K Ω.
In the embodiment of the present application, the first resistor 12014 and the second resistor 12015 are both high-resistance resistors, and therefore, when the first signal pin 11021 and the third signal pin 12011 are the pin SSRX +, and the second signal pin 11022 and the fourth signal pin 12012 are the pin SSRX-, the first resistor 12014 and the second resistor 12015 do not affect the signal quality of the pin SSRX + and the pin SSRX-in the Type-a male plug 1201 of the data line 120.
In the embodiment of the present application, the charger 110 is connected to the charging power source, and is in plugging fit with the data line 120 (that is, the Type-a male connector 1201 of the data line 120 is inserted into the Type-a female connector 1102 of the charger), and when one end of the electric device 20 connected to the data line 120 is inserted into the charging interface of the electric device 20, the charging device 10 is in an operating state. The circuit path formed between the charger 110 and the data line 120 in the operating state of the charging device 20 can be as shown in fig. 5.
In the embodiment of the present application, when the charging device 20 is in an operating state, a current with a set current value flows through the first signal pin 11021 and the second signal pin 11022, that is, a current with a set current value flows through the first resistor 12014 and the second resistor 12015. On this basis, a voltage is generated across both ends of the first resistor 12014 and the second resistor 12015. The detection module 1101 collects the voltage value of the voltage across the first resistor 12014 and records it as the first voltage value. The detection module 1101 calculates the resistance value of the first resistor 12014 according to the first voltage value and the current value of the current flowing through the first resistor. Meanwhile, the detection module 1101 collects the voltage value of the voltage across the second resistor 12015, and records the voltage value as a second voltage value. The detection module 1101 calculates the resistance value of the second resistor 12015 according to the second voltage value and the current value of the current flowing through the second resistor. The detection module 1101 determines the line ID of the data line 120 according to the resistance value of the first resistor 12014, the resistance value of the second resistor 12015, and a preset mapping relationship. The preset mapping relationship is a mapping relationship reflecting a corresponding relationship among the resistance value of the first resistor 12014, the resistance value of the second resistor 12015, and the line ID.
Further, after the detection module 1101 obtains the line ID of the data line 120, the line ID of the data line 120 is transmitted to the electric device 20 through the data transmission pins (e.g., D + and D-pins) in the Type-a header 1102.
In an embodiment of the present application, there is provided a charging device including a travel charging and data line, wherein: the travel charger comprises a detection module and a Type-A female head, wherein the Type-A female head comprises a first signal pin and a second signal pin, the first end of the detection module is connected with the first signal pin, and the second end of the detection module is connected with the second signal pin; the data line comprises a Type-A male head, the Type-A male head comprises a third signal pin, a fourth signal pin, a grounding pin, a first resistor and a second resistor, the first resistor is connected between the third signal pin and the grounding pin, and the second resistor is connected between the fourth signal pin and the grounding pin; when the charging equipment is in a working state, the traveling charger is in plug-in fit with the data line, the first signal pin is connected with the third signal pin, the second signal pin is connected with the fourth signal pin, and the detection module can determine the line ID of the data line according to the first voltage value at the two ends of the first resistor and the second voltage value at the two ends of the second resistor. Thus, the detection of the line ID of the data line can be realized by utilizing the Type-A male connector and the travel of the data line. Therefore, on the one hand, the line ID detection is realized without using the interface (such as a Type-C interface) at one end of the data line for connecting the electric equipment, which avoids the increase of the length of the interface at one end of the data line for connecting the electric equipment, so that the interface at one end of the data line for connecting the electric equipment can bear large pulling force, and the reliability of the interface at one end of the data line for connecting the electric equipment is improved. On the other hand, because the space of the Type-A male head of the data line is large, namely the distance between the pins in the Type-A male head of the data line and the metal shell are large, when the charging equipment is in an operating state, the risk that the structure of the circuit path where the first resistor and the second resistor are located is changed by foreign matters or liquid entering the Type-A male head of the data line is reduced, and the accuracy of detecting the ID of the data line is improved. Further, because the space of the Type-A public head of the data line is large, the first resistor and the second resistor are added in the Type-A public head of the data line, or the length of the Type-A public head of the data line cannot be increased due to the further addition of the first signal pin and the second signal pin, and the pulling force born by the Type-A public head of the data line is unchanged, namely the reliability of the Type-A public head of the data line is not changed.
In one embodiment of the present application, as shown in fig. 1, the detection module 1101 includes a voltage acquisition unit 11011 and a processing unit 11012. Wherein:
a first input end of the voltage acquisition unit 11011 is connected to the first signal pin 11021, a second input end of the voltage acquisition unit 11011 is connected to the second signal pin 11022, a first output end of the voltage acquisition unit 11011 is connected to a first input end of the processing unit 11012, a second output end of the voltage acquisition unit 11011 is connected to a second input end of the processing unit 11012, a first input end of the voltage acquisition unit 11011 corresponds to a first output end of the voltage acquisition unit 11011, and a second input end of the voltage acquisition unit 11011 corresponds to a second output end of the voltage acquisition unit 11011.
When the charging device 10 is in an operating state, the voltage collecting unit 11011 collects a first voltage value across the first resistor 12014 and a second voltage value across the second resistor 12015, and the processing unit 11012 determines the line ID of the data line 120 according to the first voltage value and the second voltage value.
In the embodiment of the present application, the detection module 1101 is implemented by the voltage acquisition unit 11011 and the processing unit 11012, so that the detection module 1101 is simple in structure and easy to design.
In an embodiment of the present application, the voltage collecting unit 11011 may be an ADC unit, and the processing unit 11012 may be an MCU. In this way, the voltage acquisition unit 11011 may be implemented with an ADC and MCU already in the traveler 110, which further avoids modifications to the traveler 110.
The embodiment of the application provides a charging system, which comprises a powered device 20 and the charging device 10 provided in any one of the above embodiments.
In one example, the powered device 20 may be a smartphone, a tablet computer, or the like.
In an embodiment of the present application, as shown in fig. 6, the electric device 20 includes a charging interface 210, a first capacitor 220, a second capacitor 230, and a charging unit 240, and the charging interface 210 includes a fifth signal pin 211 and a sixth signal pin 212, where:
the first capacitor 220 is connected between the fifth signal pin 211 and a first terminal of the charging unit 240, and the second capacitor 230 is connected between the sixth signal pin 212 and a second terminal of the charging unit 240.
When the electric device 20 is in a charging state, the fifth signal pin 211 is connected to a pin corresponding to the third signal pin 12011, and the sixth signal pin 212 is connected to a pin corresponding to the fourth signal pin 12012.
It is understood that charging interface 210 further includes a ground pin 213.
In this embodiment, the pin corresponding to the third signal pin 12011 is a pin in an interface between the third signal pin 12011 and the end of the data line 120, which is connected to the electrical device 20, and the pin corresponding to the fourth signal pin 12012 is a pin in an interface between the third signal pin 12011 and the end of the data line 120, which is connected to the electrical device 20.
In one embodiment of the present application, the fifth signal pin 211 is pin SSRX +, and the sixth signal pin 212 is pin SSRX-.
In the embodiment of the present application, in the case that the fifth signal pin 211 is the pin SSRX +, and the sixth signal pin 212 is the pin SSRX +, the pin SSRX + and the isolation capacitors of the existing connections for the pin SSRX-can be used as the first capacitor 220 and the second capacitor 230, so that the improvement of the electric device 20 can be avoided.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a charging equipment which characterized in that, includes and travels to fill and the data line, wherein:
the travel charger comprises a detection module and a Type-A female head, wherein the Type-A female head comprises a first signal pin and a second signal pin, the first end of the detection module is connected with the first signal pin, and the second end of the detection module is connected with the second signal pin;
the data line comprises a Type-A male head, the Type-A male head comprises a third signal pin, a fourth signal pin, a grounding pin, a first resistor and a second resistor, the first resistor is connected between the third signal pin and the grounding pin, and the second resistor is connected between the fourth signal pin and the grounding pin;
when the charging equipment is in a working state, the travel charger is in plug-in fit with the data line, the first signal pin is connected with the third signal pin, the second signal pin is connected with the fourth signal pin, and the detection module can determine the line ID of the data line according to the first voltage value at the two ends of the first resistor and the second voltage value at the two ends of the second resistor.
2. The charging apparatus of claim 1, wherein the detection module comprises a voltage acquisition unit and a processing unit, wherein:
the first input end of the voltage acquisition unit is connected with the first signal pin, the second input end of the voltage acquisition unit is connected with the second signal pin, the first output end of the voltage acquisition unit is connected with the first input end of the processing unit, the second output end of the voltage acquisition unit is connected with the second input end of the processing unit, the first input end of the voltage acquisition unit corresponds to the first output end of the voltage acquisition unit, and the second input end of the voltage acquisition unit corresponds to the second output end of the voltage acquisition unit;
when the charging equipment is in a working state, the voltage acquisition unit acquires a first voltage value at two ends of the first resistor and a second voltage value at two ends of the second resistor, and the processing unit determines the line ID of the data line according to the first voltage value and the second voltage value.
3. The charging device of claim 1, wherein the Type-a female head is a USB2.0 Type-a female head, a USB3.0Type-a female head, or a USB3.1Type-a female head.
4. The charging device according to claim 1, wherein the Type-a male connector is a 2.0Type-a male connector, a USB3.0Type-a male connector, or a USB3.1Type-a male connector.
5. The charging device of claim 3 or 4, wherein the first signal pin and the third signal pin are pins SSRX +, and wherein the second signal pin and the fourth signal pin are pins SSRX-.
6. The charging apparatus of claim 5, wherein the first resistor and the second resistor each have a resistance greater than 10K Ω.
7. The charging device according to claim 2, wherein the voltage acquisition unit is an ADC unit, and the processing unit is an MCU.
8. An electrical charging system comprising a powered device and a charging device as claimed in any one of claims 1 to 7.
9. The charging system of claim 8, wherein the electric device comprises a charging interface, a first capacitor, a second capacitor, and a charging unit, the charging interface comprises a fifth signal pin and a sixth signal pin, and wherein:
the first capacitor is connected between the fifth signal pin and the first end of the charging unit, and the second capacitor is connected between the sixth signal pin and the second end of the charging unit;
and under the condition that the electric equipment is in a charging state, the fifth signal pin is connected with a pin corresponding to the third signal pin, and the sixth signal pin is connected with a pin corresponding to the fourth signal pin.
10. The charging system of claim 9, wherein the fifth signal pin is pin SSRX +, and the sixth signal pin is pin SSRX-.
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| CN202120483887.XU CN214314671U (en) | 2021-03-05 | 2021-03-05 | Charging equipment and charging system |
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| CN202120483887.XU CN214314671U (en) | 2021-03-05 | 2021-03-05 | Charging equipment and charging system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024001105A1 (en) * | 2022-06-27 | 2024-01-04 | Oppo广东移动通信有限公司 | Communication detection method and apparatus, device, system, and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024001105A1 (en) * | 2022-06-27 | 2024-01-04 | Oppo广东移动通信有限公司 | Communication detection method and apparatus, device, system, and storage medium |
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