CN220933480U - Automatic switching circuit for transfer data of multiple USB devices - Google Patents
Automatic switching circuit for transfer data of multiple USB devices Download PDFInfo
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- CN220933480U CN220933480U CN202321672928.5U CN202321672928U CN220933480U CN 220933480 U CN220933480 U CN 220933480U CN 202321672928 U CN202321672928 U CN 202321672928U CN 220933480 U CN220933480 U CN 220933480U
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- 238000012546 transfer Methods 0.000 title claims description 9
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 238000004891 communication Methods 0.000 abstract description 7
- 238000013500 data storage Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of data storage, in particular to an automatic switching circuit for multi-USB equipment dump data, which comprises a USB channel switching circuit, a USB flash disk current detection circuit and a prompting circuit, wherein the prompting circuit comprises an indicator lamp circuit and a buzzer circuit, and the USB channel switching circuit comprises two USB switching switch chips, a first USB interface and three second USB interfaces. The utility model has the advantages that: according to the utility model, according to the difference of power consumption of no data transmission and data transmission after the USB flash disk is inserted into the circuit board, the current detection is carried out through the USB flash disk current detection circuit, the automatic switching of the USB communication channel is realized by matching with the arrangement of the two USB switching switch chips, and after the data dump of all equipment is completed through the prompting circuit, the sound indicator lamp is used for informing the dump completion through the buzzer and the LED diode, so that the USB communication channel can be automatically switched, misoperation can be avoided, the use is more convenient, and the practicability of the circuit is ensured.
Description
Technical Field
The utility model relates to the technical field of data storage, in particular to an automatic switching circuit for multi-USB equipment transfer data.
Background
And part of electrical equipment is provided with a USB interface and is used for externally connecting a USB flash disk to dump data or logs in the equipment. In general, after a usb disk is inserted into a device, the device identifies the usb disk and automatically performs dumping, but there is a problem that a dumping operator does not determine whether data dumping is completed, and only experience and dumping duration can be used to estimate whether dumping is completed, so that misoperation can often occur in an actual execution process, and data dumping failure is caused by pulling out the usb disk in a data dumping process. And if a plurality of devices need to dump data, operators need to manually plug the USB flash disk into a computer to check whether the current device data dump is completed, and then plug the USB flash disk into a lower device to dump after the current device dump is completed, so that the operation is easy to cause the device to need to dump again due to misoperation, the time of the operators is wasted, and the working efficiency is reduced.
In this regard, the present utility model provides an automatic switching circuit for transferring data between multiple USB devices.
Disclosure of utility model
The object of the present utility model is to solve at least one of the technical drawbacks.
Therefore, an objective of the present utility model is to provide an automatic switching circuit for transferring data of multiple USB devices, so as to solve the problems mentioned in the background art and overcome the shortcomings of the prior art.
In order to achieve the above objective, an embodiment of an aspect of the present utility model provides an automatic switching circuit for transferring data of a multi-USB device, which includes a USB channel switching circuit, a USB current detection circuit, and a prompting circuit, wherein the prompting circuit includes an indicator light circuit and a buzzer circuit, the USB channel switching circuit includes two USB switching chips, a first USB interface, and three second USB interfaces, the two USB switching chips are connected by a wire, one of the USB switching chips is connected by a wire first USB interface, and the three second USB interfaces are all connected by wires with the corresponding USB switching chip.
The technical effect achieved by adopting the scheme is as follows: after the data dumping of the current equipment is completed, the next equipment can be automatically switched to dump until all the accessed equipment is completed, and the sound indicator lamp is used for informing that the dumping is completed.
In any of the above embodiments, preferably, the type of the USB switch chip is TS3USB30EDGSR.
By any of the above schemes, it is preferable that the usb flash disk current detection circuit includes a current detection chip, and the model of the current detection chip is LTC6102HVHMSS.
It is preferable in any of the above-described modes that the buzzer circuit includes a buzzer, and the type of the buzzer is NHB09a03.
It is preferred by any of the above aspects that the indicator light circuit comprises three LED diodes.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
According to the utility model, according to the difference of power consumption of no data transmission and data transmission after the USB flash disk is inserted into the circuit board, the current detection is carried out through the USB flash disk current detection circuit, the automatic switching of the USB communication channel is realized by matching with the arrangement of the two USB switching switch chips, and after the data dump of all equipment is completed through the prompting circuit, the sound indicator lamp is used for informing the dump completion through the buzzer and the LED diode, so that the USB communication channel can be automatically switched, misoperation can be avoided, the use is more convenient, the working efficiency of workers can be further improved, and the practicability of the circuit is ensured.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a USB channel switching circuit according to an embodiment of the utility model;
FIG. 2 is a schematic diagram of a USB flash disk current detection circuit according to an embodiment of the utility model
FIG. 3 is a schematic diagram of a buzzer circuit according to an embodiment of the present utility model
Fig. 4 is a schematic diagram of a structure of an indicator light circuit according to an embodiment of the utility model.
Detailed Description
Examples: as shown in fig. 1-4, an automatic switching circuit for transferring data of multiple USB devices includes a USB channel switching circuit, a USB current detection circuit and a prompting circuit, where the prompting circuit includes an indicator light circuit and a buzzer circuit, the USB channel switching circuit includes two USB switch chips, a first USB interface and three second USB interfaces, the two USB switch chips are connected by wires, one USB switch chip is connected by a first USB interface of the wires, the three second USB interfaces are connected by wires with the corresponding USB switch chip, the circuit provided by the utility model is specifically shown in fig. 1-4, the corresponding installation, arrangement and circuit connection are all in the prior art, and the technician can implement according to the scheme, and the details are not repeated here.
The type of the USB switch chip is TS3USB30EDGSR.
The USB flash disk current detection circuit comprises a current detection chip, the model of the current detection chip is LTC6102HVHMSS, the power consumption of the USB flash disk current detection circuit is different between no data transmission and data transmission after the USB flash disk is inserted into the circuit board (through testing, the current in the standby state of the USB flash disk is about 23mA, and the current in the file storage state is about 38 mA), and the circuit judges whether the data transmission is completed or not by monitoring the working current condition after the USB flash disk is inserted.
The buzzer circuit comprises a buzzer and the model number of the buzzer is NHB09A03.
The pilot lamp circuit includes three LED diodes, by the setting of buzzer and LED diode, can be after equipment data is accomplished through sound and pilot lamp notice transfer completion, and simultaneously three LED diodes correspond a second USB interface respectively, can also play the effect of show process, have increased the practicality of device.
An automatic switching circuit for transfer data of multiple USB devices has the following working principle:
1) The power consumption of the USB flash disk after being inserted into the circuit board is different from that of the USB flash disk after no data transmission, and the circuit judges whether the data transmission is finished or not by monitoring the working current condition of the USB flash disk after being inserted;
2) When the circuit judges that no data is transmitted within a period of time, the circuit switches the USB communication channel to the next transferring equipment through the USB analog switch and performs data transmission by itself;
3) When the data dump of all the devices is completed, a sound indicator lamp is carried out through a buzzer and an LED diode to inform that the dump is completed.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
According to the utility model, according to the difference of power consumption of no data transmission and data transmission after the USB flash disk is inserted into the circuit board, the current detection is carried out through the USB flash disk current detection circuit, the automatic switching of the USB communication channel is realized by matching with the arrangement of the two USB switching switch chips, and after the data dump of all equipment is completed through the prompting circuit, the sound indicator lamp is used for informing the dump completion through the buzzer and the LED diode, so that the USB communication channel can be automatically switched, misoperation can be avoided, the use is more convenient, the working efficiency of workers can be further improved, and the practicability of the circuit is ensured.
Claims (5)
1. An automatic switching circuit for transfer data of multiple USB devices is characterized in that: including USB passageway switch circuit, USB flash disk current detection circuit and hint circuit, hint circuit includes pilot lamp circuit and buzzer circuit, USB passageway switch circuit includes two USB switch chips and a first USB interface and three second USB interface, two connect through the wire between the USB switch chip, one of them USB switch chip is connected through the first USB interface of wire, and three the second USB interface is all connected through the wire with the USB switch chip that corresponds.
2. The automatic transfer data switching circuit for multiple USB devices according to claim 1, wherein: the type of the USB switch chip is TS3USB30EDGSR.
3. The automatic switching circuit for transferring data between multiple USB devices according to claim 2, wherein: the USB flash disk current detection circuit comprises a current detection chip, and the model of the current detection chip is LTC6102HVHMSS.
4. A multi-USB device transfer data auto-switching circuit according to claim 3, wherein: the buzzer circuit comprises a buzzer, and the model of the buzzer is NHB09A03.
5. The automatic transfer data switching circuit for multiple USB devices according to claim 4, wherein: the indicator light circuit comprises three LED diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321672928.5U CN220933480U (en) | 2023-06-29 | 2023-06-29 | Automatic switching circuit for transfer data of multiple USB devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321672928.5U CN220933480U (en) | 2023-06-29 | 2023-06-29 | Automatic switching circuit for transfer data of multiple USB devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220933480U true CN220933480U (en) | 2024-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321672928.5U Active CN220933480U (en) | 2023-06-29 | 2023-06-29 | Automatic switching circuit for transfer data of multiple USB devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220933480U (en) |
-
2023
- 2023-06-29 CN CN202321672928.5U patent/CN220933480U/en active Active
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