CN216209730U - Multifunctional charging detection equipment - Google Patents
Multifunctional charging detection equipment Download PDFInfo
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- CN216209730U CN216209730U CN202122075450.5U CN202122075450U CN216209730U CN 216209730 U CN216209730 U CN 216209730U CN 202122075450 U CN202122075450 U CN 202122075450U CN 216209730 U CN216209730 U CN 216209730U
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Abstract
The utility model discloses a multifunctional charging detection device. Place the circuit board in the main part in and including the main part, the one end of main part is provided with power input port and banana head simultaneously, perhaps single power input port or banana head that sets up, the other end of main part is provided with the USB connector that a plurality of is used for connecting the cell-phone mouth that charges, be provided with the display screen module in the main part, the power input port, banana head, USB connector and display screen module are all connected with the circuit board through the wire, be provided with first power management circuit on the circuit board respectively, second power management circuit and third power management circuit, the number of third power management circuit is the same and the one-to-one is connected with the number of USB connector. The utility model mainly utilizes the USB connector to connect the charging port of the mobile phone to form the connection with the internal battery of the mobile phone, so that the charging detection of the mobile phone battery can be carried out without detaching the back shell of the mobile phone, and the use is more convenient.
Description
Technical Field
The utility model relates to the technical field of maintenance auxiliary tools, in particular to multifunctional charging detection equipment.
Background
As is well known, the most likely internal component failure of an electronic product, such as a mobile phone, is a battery, and once the battery has a problem, the battery is usually required to be subjected to corresponding current and voltage detection during maintenance, and the detected value is used as a basis for maintenance, so as to perform subsequent maintenance.
At present, most of the detection of the battery is to dismantle the rear shell of the mobile phone, insert the electrode tips into the contacts of the positive and negative electrodes of the battery in an opposite position, and then transmit electric energy to the battery, and judge the damage degree of the battery according to the charging voltage and the charging current reflected when the battery is charged. Although the existing detection instrument can detect out relevant voltage and current values, the operation is very troublesome, the rear shell of the mobile phone needs to be detached, and the positive and negative electrodes of the battery need to be accurately touched, so that the workload is greatly large for technical personnel, and the technical requirements are high.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the multifunctional charging detection equipment which is convenient to use, can be maintained without detaching a mobile phone shell and is adaptive to mobile phones with different interfaces.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a multi-functional charging detection equipment, places the circuit board in the main part in including the main part and, the one end of main part is provided with power input port and banana head simultaneously, and perhaps single power input port or banana head that sets up, the other end of main part is provided with the USB connector that a plurality of is used for connecting the cell-phone mouth that charges, be provided with the display screen module in the main part, power input port, banana head, USB connector and display screen module all are connected with the circuit board through the wire, be provided with first power management circuit, second power management circuit and third power management circuit on the circuit board respectively, the number of third power management circuit is the same with the number of USB connector and the one-to-one is connected; the banana head is connected with a first power management circuit, the power input port is connected with a second power management circuit, the output ends of the first power management circuit and the second power management circuit are respectively connected with a third power management circuit, and the display screen module is connected with the third power management circuit.
Preferably, the first power management circuit, the second power management circuit and the third power management circuit all include a charging chip, the SW terminal pin of the charging chip of the first power management circuit is connected with the banana head, the output terminal pin of the charging chip of the first power management circuit is connected with the input terminal pin of the charging chip of the third power management circuit, the SW terminal pin of the charging chip of the second power management circuit is connected with the power input port, the output terminal pin of the charging chip of the second power management circuit is connected with the input terminal pin of the charging chip of the third power management circuit, the output terminal pin of the charging chip of the third power management circuit is connected with the display screen module, and the SW terminal pin of the charging chip of the third power management circuit is connected with the USB connector.
Preferably, the power input port is a micro USB interface, a type-c interface, a lightning interface, or a DC power interface.
Preferably, when the number of the USB connectors is one or two, the USB connectors are any one or two of a micro USB interface, a type-c interface, and a lighting interface, when the number of the USB connectors is three, the USB connectors are respectively a micro USB interface, a type-c interface, and a lighting interface, and when the number of the USB connectors is four or more, the USB connectors at least include three interfaces, i.e., a micro USB interface, a type-c interface, and a lighting interface.
Due to the adoption of the scheme, the USB connector is mainly directly connected with the charging port of the mobile phone to form connection with the internal battery of the mobile phone, so that the charging detection of the mobile phone battery can be carried out without detaching the back shell of the mobile phone, and the use is more convenient; simultaneously, rely on the work of a plurality of chips that charge on the circuit board, make its magnitude of voltage and the current value that reachs feed back the display screen module and show, technical staff alright with directly learn corresponding parameter to rely on the multiunit design of USB connector, alright with satisfying the sharing detection of different mouthful cell-phones that charge, whole simple operation, technical operation requires lowly, completion that can be quick charge the detection.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the relationship between the circuits according to the embodiment of the present invention.
Fig. 3 is a schematic circuit diagram of a charging chip according to an embodiment of the present invention.
Detailed Description
The embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to fig. 3, the multifunctional charging detection device provided in this embodiment includes a main body 1 and a circuit board 2 disposed in the main body 1, one end of the main body 1 is provided with a power input port 3 and a banana head 4 at the same time, or the power input port 3 or the banana head 4 is singly disposed, the other end of the main body 1 is provided with a plurality of USB connectors 5 for connecting to a charging port of a mobile phone, the main body 1 is provided with a display module 6, the power input port 3, the banana head 4, the USB connectors 5 and the display module 6 are all connected to the circuit board 2 through wires 7, the circuit board 2 is provided with a first power management circuit 101, a second power management circuit 102 and a third power management circuit 103, and the number of the third power management circuits 103 is the same as that of the USB connectors 5 and is one-to-one corresponding connection; the banana head 4 is connected with the first power management circuit 101, the power input port 3 is connected with the second power management circuit 102, the output ends of the first power management circuit 101 and the second power management circuit 102 are respectively connected with the third power management circuit 103, and the display screen module 6 is connected with the third power management circuit 103.
In the working process of the embodiment, the banana head 4 or the power input port 3 is selected to be connected with a power supply, the USB connector 5 is inserted into a charging port of the mobile phone, after the power supply is switched on, the input power supply is processed by the first power management circuit 101 or the second power management circuit 102 and then transmitted to the third power management circuit 103, the third power management circuit 103 is connected with a mobile phone battery, the input power supply charges the mobile phone battery, in the charging process of the mobile phone, the third power management circuit 103 can know the charging voltage and current of the battery at the moment by means of voltage and current feedback, the obtained numerical value can be directly displayed by the display screen module 6, and technicians can quickly know the detection result.
Furthermore, the power information processing of the embodiment is implemented by the first power management circuit 101, the second power management circuit 102 and the third power management circuit 103, and the implementation of the specific operations of the first power management circuit 101, the second power management circuit 102 and the third power management circuit 103 is implemented by internal chips, that is, the first power management circuit 101, the second power management circuit 102 and the third power management circuit 103 each include a charging chip U1, the SW terminal of the charging chip U1 of the first power management circuit 101 is connected to the banana head 4, the output terminal of the charging chip U1 of the first power management circuit 101 is connected to the input terminal of the charging chip U1 of the third power management circuit 103, the SW terminal of the charging chip U1 of the second power management circuit 102 is connected to the power input port 3, the output terminal of the charging chip U1 of the second power management circuit 102 is connected to the input terminal of the charging chip U1 of the third power management circuit 103, the output pin of the charging chip U1 of the third power management circuit 103 is connected to the display module 6, and the SW pin of the charging chip U1 of the third power management circuit 103 is connected to the USB connector 5. When the detection work is carried out, data processing is carried out by means of the charging chip U1, namely, the input power is converted by means of the charging chip U1 of the first power management circuit 101 and the second power management circuit 102 and then input to the charging chip U1 of the third power management circuit 103, the charging chip U1 of the third power management circuit 103 is connected with the charging communication protocol of the mobile phone battery through the USB connector 5, and then in the charging process, corresponding voltage and current values can be known according to the charging protocol, and the voltage and current values are sent to the display screen module 6 through the output terminal pin to be displayed.
Further, the charging chip U1 of the present embodiment can adopt an XPD636 type chip, and the power input port 3 can adopt a micro USB interface, a type-c interface, a lightning interface, or a DC power interface.
Further, for the relation between the number of the USB connectors 5 and the specific model, the following is shown:
when the number of the USB connectors 5 is one or two, the USB connectors 5 are any one or two of micro USB interfaces, type-c interfaces, and lighting interfaces, when the number of the USB connectors 5 is three, the USB connectors are micro USB interfaces, type-c interfaces, and lighting interfaces, respectively, and when the number of the USB connectors 5 is four or more, the USB connectors at least include three interfaces, i.e., micro USB interfaces, type-c interfaces, and lighting interfaces.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. The utility model provides a multi-functional check out test set that charges which characterized in that: the circuit board of the main part is placed in and including the main part, the one end of main part is provided with power input port and banana head simultaneously, perhaps singly sets up power input port or banana head, the other end of main part is provided with the USB connector that a plurality of is used for connecting the cell-phone mouth that charges, be provided with the display screen module in the main part, power input port, banana head, USB connector and display screen module all are connected with the circuit board through the wire, be provided with first power management circuit, second power management circuit and third power management circuit on the circuit board respectively, the number of third power management circuit is the same with the number of USB connector and the one-to-one is connected; the banana head is connected with a first power management circuit, the power input port is connected with a second power management circuit, the output ends of the first power management circuit and the second power management circuit are respectively connected with a third power management circuit, and the display screen module is connected with the third power management circuit.
2. The multifunctional charge detection device of claim 1, wherein: first power management circuit, second power management circuit and third power management circuit all include the chip that charges, the SW terminal pin and the banana head of the chip that charges of first power management circuit are connected, the output terminal pin of the chip that charges of first power management circuit is connected with the input terminal pin of the chip that charges of third power management circuit, the SW terminal pin and the power input port of the chip that charges of second power management circuit are connected, the output terminal pin of the chip that charges of second power management circuit is connected with the input terminal pin of the chip that charges of third power management circuit, the output terminal pin and the display screen module of the chip that charges of third power management circuit are connected, the SW terminal pin and the USB connector of the chip that charges of third power management circuit are connected.
3. The multifunctional charge detection device of claim 2, wherein: the power supply input port is a micro USB interface, a type-c interface, a lightning interface or a DC power supply interface.
4. A multifunctional charge detection device as recited in claim 3, wherein: when USB connector quantity is one or two, then the USB connector is any one or two of micro USB interface, type-c interface, lightning interface, when USB connector quantity is three, then is micro USB interface, type-c interface, lightning interface respectively, when USB connector quantity is four or more than four, then includes three kinds of interfaces of micro USB interface, type-c interface, lightning interface at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122075450.5U CN216209730U (en) | 2021-08-31 | 2021-08-31 | Multifunctional charging detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122075450.5U CN216209730U (en) | 2021-08-31 | 2021-08-31 | Multifunctional charging detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216209730U true CN216209730U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122075450.5U Active CN216209730U (en) | 2021-08-31 | 2021-08-31 | Multifunctional charging detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216209730U (en) |
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2021
- 2021-08-31 CN CN202122075450.5U patent/CN216209730U/en active Active
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