CN210573761U - Interface conversion circuit and signal detection device - Google Patents
Interface conversion circuit and signal detection device Download PDFInfo
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- CN210573761U CN210573761U CN201921578612.3U CN201921578612U CN210573761U CN 210573761 U CN210573761 U CN 210573761U CN 201921578612 U CN201921578612 U CN 201921578612U CN 210573761 U CN210573761 U CN 210573761U
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Abstract
The utility model discloses an interface conversion circuit and a signal detection device, wherein the interface conversion circuit is used for realizing the communication connection between terminal equipment and sensor detection equipment; the interface conversion circuit comprises a first socket circuit, a data processing circuit and a second socket circuit; the first end of the first socket circuit is connected with the first end of the data processing circuit, and the second end of the data processing circuit is connected with the first end of the second socket circuit; the terminal equipment is provided with a first interface circuit corresponding to the first socket circuit, and the sensor detection equipment is provided with a second interface circuit corresponding to the second socket circuit. The technical scheme of the utility model, can realize through interface conversion circuit that the communication between terminal equipment and the sensor check out test set is connected.
Description
Technical Field
The utility model relates to a data conversion technology field, in particular to interface conversion circuit and signal detection device.
Background
The current data conversion device, such as a USB OTG (USB On-The-Go, plug and play) adapter, a USB (universal serial bus) to serial converter, etc., can convert a certain USB interface into other interfaces, so as to realize The functions of USB master-slave device switching, traditional serial device plugging, etc., but The current product has The following defects:
the application function is single, and the sensor components with different functions cannot be switched;
the application range is narrow, and the product is difficult to combine with consumer electronics products for use by users.
SUMMERY OF THE UTILITY MODEL
The utility model provides an interface conversion circuit and signal detection device aims at solving present data conversion equipment application function singleness, the narrow problem of range of application.
In order to achieve the above object, the present invention provides an interface conversion circuit for realizing communication connection between a terminal device and a sensor detection device, wherein the interface conversion circuit includes a first socket circuit, a data processing circuit and a second socket circuit; the first end of the first socket circuit is connected with the first end of the data processing circuit, and the second end of the data processing circuit is connected with the first end of the second socket circuit; the terminal equipment is provided with a first interface circuit corresponding to the first socket circuit, and the sensor detection equipment is provided with a second interface circuit corresponding to the second socket circuit.
Optionally, when the terminal device is in communication connection with the sensor detection device, the ID pin of the first interface circuit changes from a high level to a low level; when the communication connection between the terminal equipment and the sensor detection equipment is disconnected, the ID pin of the first interface circuit is changed from low level to high level.
Optionally, the interface conversion circuit further includes a voltage conversion circuit, an input end of the voltage conversion circuit is connected to the first end of the first socket circuit, and an output end of the voltage conversion circuit is connected to the first end of the second socket circuit; wherein the ID pin of the first socket circuit is grounded.
Optionally, the voltage conversion circuit is a DC-DC converter, an input end of the DC-DC converter is connected to the first end of the first socket circuit, and an output end of the DC-DC converter is connected to the first end of the second socket circuit.
Optionally, the first socket circuit is a USB socket circuit, the first interface circuit is a USB interface circuit, the second socket circuit is a sensor socket circuit, and the second interface circuit is a sensor interface circuit.
Optionally, the data processing circuit is configured to convert a USB format signal output by the terminal device into an I2C format signal; or converting the I2C format signal output by the sensor detection device into a USB format signal.
Optionally, the terminal device is provided with an application program corresponding to the sensor detection device, and when the sensor detection device is in communication connection with the terminal device, the terminal device controls the sensor detection device through the application program.
In order to achieve the above object, the present invention further provides a signal detection device, wherein the signal detection device comprises the interface conversion circuit as described in any one of the above.
Optionally, the signal detection apparatus further includes a sensor detection device, where the sensor detection device includes a sensor chip and a second interface circuit, and the sensor chip is electrically connected to the second interface circuit; and the second interface circuit is used for being connected with a second socket circuit of the interface conversion circuit.
Optionally, the signal detection apparatus further includes a terminal device, where the terminal device includes a first interface circuit; the first interface circuit is used for being connected with a first socket circuit of the interface conversion circuit.
The technical scheme of the utility model, through setting up an interface converting circuit to realize that the communication between terminal equipment and the sensor check out test set is connected, terminal equipment with when the sensor check out test set is connected, sensor check out test set detects environmental data, and passes through the environmental data that detects interface converting circuit carries out data processing back, transmits extremely terminal equipment. The communication connection and the data transmission between the terminal equipment and the sensor detection equipment are realized through the interface conversion circuit, the operation is simple, and the application range is wide.
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 circuit diagram of an embodiment of an interface conversion circuit according to the present invention;
fig. 2 is a schematic circuit diagram of another embodiment of the interface conversion circuit of the present invention.
The reference numbers illustrate:
| 10 | |
20 | |
| 30 | |
101 | |
| 201 | |
202 | |
| 203 | |
204 | |
| 301 | |
302 | Sensor 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.
The utility model provides an interface conversion circuit 20.
Referring to fig. 1, fig. 1 is a schematic circuit diagram of an embodiment of an interface conversion circuit 20 according to the present invention.
The interface conversion circuit 20 includes: a first socket circuit 201, a data processing circuit 202 and a second socket circuit 203; a first terminal of the first socket circuit 201 is connected to a first terminal of the data processing circuit 202, and a second terminal of the data processing circuit 202 is connected to a first terminal of the second socket circuit 203; wherein, the terminal device 10 is provided with a first interface circuit 101 corresponding to the first socket circuit 201, and the sensor detection device 30 is provided with a second interface circuit 301 corresponding to the second socket circuit 203; when the first socket circuit 201 is inserted into the first interface circuit 101 and the second socket circuit 203 is inserted into the second interface circuit 301, the terminal device 10 is communicatively connected to the sensor detection device 30.
The first socket circuit 201 is configured to implement connection between the interface conversion circuit 20 and the terminal device 10. The first socket circuit 201 may be a USB socket, and when the first socket circuit 201 is a USB socket, the first interface circuit 101 of the terminal device 10 is a USB interface corresponding to the USB socket. A first end of the first socket circuit 201 is connected to a first end of the data processing circuit 202, and a second end of the first socket circuit 201 is a reserved port for connecting to the first interface circuit 101 of the terminal device 10.
The second socket circuit 203 is configured to implement connection between the interface conversion circuit 20 and the sensor detection device 30, where the second socket circuit 203 is a sensor socket, and when the second socket circuit 203 is a sensor socket, the second interface circuit 301 of the sensor detection device 30 is a sensor interface corresponding to the sensor socket. A first end of the second socket circuit 203 is connected to a second end of the data processing circuit 202, and a second end of the second socket circuit 203 is a reserved port for connecting to the second interface circuit 301 of the sensor detection device 30.
The data processing circuit 202 is configured to convert a signal output by the terminal device 10 into a signal that can be recognized by the sensor detection device 30; alternatively, the signal output by the sensor detection device 30 is converted into a signal that can be recognized by the terminal device 10, for example, the data processing circuit 202 is configured to convert a signal in USB format output by the terminal device 10 into a signal in I2C format that can be recognized by the sensor detection device 30; alternatively, the signal in the I2C format output by the sensor detection device 30 is converted into a signal in the USB format that can be recognized by the terminal device 10.
The sensor detection device may include at least one sensor chip and a second interface circuit 301, such as a sensor interface, the sensor chip 302 is electrically connected to the second interface circuit 301, and of course, the sensor detection device 30 further includes a peripheral circuit of the sensor chip. It can be understood that, in the current sensor chip, signals to be connected to the master control include power supply, a set of I2C, an interrupt pin, and ground, and therefore, it can be defined that the second socket circuit 203 and the second interface circuit 301 are both 4pin interfaces, that is, a power interface, a clock line interface, a data line interface, and ground. The connection and switching between the interface conversion circuit 20 and the different sensor detection devices 30 can be realized by standardizing the pin sequence and the interface socket substructure of the second socket circuit 203 and the second interface circuit 301. Optionally, the sensor detection device 30 may be powered by an external power source, such as a storage battery, or may be powered by other devices, and may be set according to actual needs.
The terminal device 10 may be a mobile phone, a tablet computer, a notebook, or other consumer electronics product, and the terminal device 10 is installed with an application program corresponding to the sensor detection device 30. It may be provided that, when the terminal device 10 is not connected to the sensor detection device 30, the ID pin of the first interface circuit 101 of said terminal device 10 is pulled up to a high level; when the terminal device 10 is connected to the sensor detecting device 30, that is, when the first socket circuit 201 is inserted into the first interface circuit 101 and the second socket circuit 203 is inserted into the second interface circuit 301, the ID pin of the first interface circuit 101 of the terminal device 10 changes from high level to low level; when the terminal device 10 is disconnected from the sensor detection device 30, the ID pin of the first interface circuit 101 changes from low level to high level; the terminal device 10 checks whether or not the sensor detection device 203 is connected by detecting the level of the ID pin of the first interface circuit 101. Further, in order to facilitate the terminal device 10 to control the sensor detection device 30 through an application program, optionally, an interrupt pin of the sensor chip 302 is suspended. When the terminal device 10 is connected to the sensor detecting device 30 through the interface converting circuit 20 by downloading an application corresponding to the sensor detecting device 30, the terminal device 10 may control the sensor detecting device 30 to execute a corresponding instruction through the downloaded application.
Specifically, when the terminal device 10 detects that the ID pin of the first interface circuit 101 changes from high level to low level, which indicates that the terminal device 10 and the sensor detection device 30 are successfully connected, the terminal device 10 transmits a sensor addressing signal in USB format to the data processing circuit 202, and the data processing circuit 202 converts the sensor addressing signal in USB format into a signal in I2C format and then transmits the signal to the sensor detection device 30. Further, the sensor detection device 30 converts the environmental data detected by the sensor into the environmental data in the USB format after being processed by the data processing circuit 202, that is, converts the environmental data in the I2C format into the environmental data in the USB format, and transmits the environmental data to the terminal device 10, so that the terminal device 10 can view the data detected by the sensor detection device 30. The terminal device 10 may read the environmental data detected by the sensor detection device 30 at regular time, may acquire the environmental data detected by the sensor detection device 30 in real time, and may acquire the environmental data detected by the sensor detection device 30 at a single time, which is not limited herein. Realize the communication between terminal equipment 10 and the sensor check out test set 30 through interface conversion circuit 20 and be connected for terminal equipment 10 has the sensor function, and terminal equipment 10 can connect the sensor check out test set 30 of different functions through interface conversion circuit 20, with detect different environmental data, for example, detect air temperature and humidity, sewage detection, heart rate detection, wine drive detection, gyroscope, ambient brightness detection etc..
The technical scheme of the utility model, through setting up an interface converting circuit 20 to realize that the communication between terminal equipment 10 and the sensor check out test set 30 is connected, at terminal equipment 10 with when the sensor check out test set 30 is connected, sensor check out test set 30 detects environmental data, and passes through the environmental data that detects interface converting circuit 20 carries out the data processing back, transmits extremely terminal equipment 10. That is, by providing the interface conversion circuit 20, the communication connection between the terminal device 10 and the sensor detection device 30 is realized, so that the terminal device 30 can acquire the environmental data detected by the sensor detection device 30, and the operation is simple and the application range is wide.
Referring to fig. 2, fig. 2 is a schematic circuit diagram of another embodiment of the interface conversion circuit of the present invention.
In this embodiment, the interface converting circuit 20 further includes a voltage converting circuit 204, an input end of the voltage converting circuit 204 is connected to the first end of the first socket circuit 201, and an output end of the voltage converting circuit 204 is connected to the first end of the second socket circuit 203; wherein the ID pin of the first socket circuit 201 is grounded.
The voltage conversion circuit 204 is configured to process a voltage signal output by the terminal device 10, for example, a voltage signal of 5V, convert the voltage signal into a voltage signal required by the sensor detection device 30, output the voltage signal to the sensor detection device 30, and supply power to the sensor detection device 30. Since the interrupt pin of the sensor chip in the sensor detection device 30 is suspended, when the terminal device 10 is in communication connection with the sensor detection device 30, the terminal device 10 supplies power to the sensor detection device.
Optionally, the voltage converting circuit 204 is a DC-DC converter, an input terminal of the DC-DC converter is connected to the first terminal of the first socket circuit 201, and an output terminal of the DC-DC converter is connected to the first terminal of the second socket circuit 203. The DC-DC converter can convert the voltage signal output from the terminal device 10 into the voltage signal required by the sensor detection device 30.
In the technical solution of this embodiment, the interface conversion circuit 20 further includes a voltage conversion circuit 204, and by setting the voltage conversion circuit 204, the voltage signal output by the terminal device 10 is converted into the voltage signal required by the sensor detection device 30, no additional power supply is needed, and the product portability is improved.
The utility model also provides a signal detection device, signal detection device includes as above interface conversion circuit 20.
The signal detection device further includes a sensor detection device 30, where the sensor detection device 30 includes at least one sensor chip and a second interface circuit 301, such as a sensor interface, and the sensor chip 302 is electrically connected to the second interface circuit 301, and of course, the sensor detection device further includes a peripheral circuit of the sensor chip. The communication interface of the current sensor chip is basically standardized, and the signal interfaces that need to be connected to the main control include a power interface, a set of I2C interfaces, an interrupt pin, and a ground interface, so it can be defined that the second socket circuit 203 of the interface conversion circuit 20 and the second interface circuit 301 of the sensor detection device 30 are both 4pin interfaces, that is, a power interface, a clock line interface, a data line interface, and a ground interface. The connection and switching between the interface conversion circuit 20 and different sensor detection devices 30 are realized by standardizing the pin sequence and the interface socket substructure of the second socket circuit 203 and the second interface circuit 301. Optionally, the sensor detection device 30 may be powered by an external power source, such as a storage battery, or may be powered by other devices, such as the terminal device, and may be set according to actual needs.
The signal detection device further comprises a terminal device 10, wherein the terminal device 10 comprises a first interface circuit 101, and an application program corresponding to the sensor detection device 30 is installed on the terminal device 10. It may be provided that, when the terminal device 10 is not connected to the sensor detection device 30, the ID pin of the first interface circuit 101 of said terminal device 10 is pulled up to a high level; when the terminal device 10 is connected to the sensor detecting device 30, that is, when the first socket circuit 201 is inserted into the first interface circuit 101 and the second socket circuit 203 is inserted into the second interface circuit 301, the ID pin of the first interface circuit 101 of the terminal device 10 changes from high level to low level; when the terminal device 10 is disconnected from the sensor detection device 30, the ID pin of the first interface circuit 101 changes from low level to high level; therefore, the terminal device 10 checks whether or not the sensor detection device 30 is connected by detecting the level of the ID pin of the first interface circuit 101. Further, in order to facilitate the terminal device 10 to control the sensor detection device 30 through an application program, optionally, an interrupt pin of the sensor chip 302 is suspended. When the terminal device 10 is connected to the sensor detecting device 30 through the interface converting circuit 20 by downloading an application corresponding to the sensor detecting device 30, the terminal device 10 may control the sensor detecting device 30 to execute a corresponding instruction through the downloaded application.
Specifically, when the terminal device 10 detects that the ID pin of the first interface circuit 101 changes from high level to low level, which indicates that the terminal device 10 and the sensor detection device 30 are successfully connected, the terminal device 10 transmits a sensor addressing signal in USB format to the data processing circuit 202, and the data processing circuit 202 converts the sensor addressing signal in USB format into a signal in I2C format and then transmits the signal to the sensor detection device 30. Further, the sensor detection device 30 converts the environmental data detected by the sensor into the environmental data in the USB format after being processed by the data processing circuit 202, that is, converts the environmental data in the I2C format into the environmental data in the USB format, and transmits the environmental data to the terminal device 10, so that the terminal device 10 can view the data detected by the sensor detection device 30. The terminal device 10 may read the environmental data detected by the sensor detection device 30 at regular time, may acquire the environmental data detected by the sensor detection device 30 in real time, and may acquire the environmental data detected by the sensor detection device 30 at a single time, which is not limited herein. Realize the communication between terminal equipment 10 and the sensor check out test set 30 through interface conversion circuit 20 and be connected for terminal equipment 10 has the sensor function, and terminal equipment 10 can connect the sensor check out test set 30 of different functions through interface conversion circuit 20, with detect different environmental data, for example, detect air temperature and humidity, sewage detection, heart rate detection, wine drive detection, gyroscope, ambient brightness detection etc..
The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. An interface conversion circuit is used for realizing communication connection between terminal equipment and sensor detection equipment, and is characterized in that the interface conversion circuit comprises a first socket circuit, a data processing circuit and a second socket circuit; the first end of the first socket circuit is connected with the first end of the data processing circuit, and the second end of the data processing circuit is connected with the first end of the second socket circuit; the terminal equipment is provided with a first interface circuit corresponding to the first socket circuit, and the sensor detection equipment is provided with a second interface circuit corresponding to the second socket circuit.
2. The interface switch circuit of claim 1, wherein the ID pin of said first interface circuit changes from high to low when said terminal device is communicatively coupled to said sensor detection device; when the communication connection between the terminal equipment and the sensor detection equipment is disconnected, the ID pin of the first interface circuit is changed from low level to high level.
3. The interface conversion circuit of claim 2, further comprising a voltage conversion circuit, an input of the voltage conversion circuit being connected to a first terminal of the first socket circuit, an output of the voltage conversion circuit being connected to a first terminal of the second socket circuit; wherein the ID pin of the first socket circuit is grounded.
4. An interface conversion circuit according to claim 3, wherein the voltage conversion circuit is a DC-DC converter, an input of the DC-DC converter being connected to the first terminal of the first socket circuit, and an output of the DC-DC converter being connected to the first terminal of the second socket circuit.
5. The interface conversion circuit according to any one of claims 1 to 4, wherein the first socket circuit is a USB socket circuit, the first interface circuit is a USB interface circuit, the second socket circuit is a sensor socket circuit, and the second interface circuit is a sensor interface circuit.
6. The interface conversion circuit according to claim 5, wherein the data processing circuit is configured to convert the USB format signal output by the terminal device into an I2C format signal; or converting the I2C format signal output by the sensor detection device into a USB format signal.
7. The interface converting circuit according to claim 6, wherein the terminal device is installed with an application corresponding to the sensor detecting device, and when the sensor detecting device is communicatively connected to the terminal device, the terminal device controls the sensor detecting device through the application.
8. A signal detection device, characterized in that the signal detection device comprises an interface conversion circuit according to any one of claims 1 to 7.
9. The signal detection device of claim 8, further comprising a sensor detection apparatus, the sensor detection apparatus comprising a sensor chip and a second interface circuit, the sensor chip being electrically connected to the second interface circuit; and the second interface circuit is used for being connected with a second socket circuit of the interface conversion circuit.
10. The signal detection device of claim 9, wherein the signal detection device further comprises a terminal device, the terminal device comprising a first interface circuit; the first interface circuit is used for being connected with a first socket circuit of the interface conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578612.3U CN210573761U (en) | 2019-09-20 | 2019-09-20 | Interface conversion circuit and signal detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921578612.3U CN210573761U (en) | 2019-09-20 | 2019-09-20 | Interface conversion circuit and signal detection device |
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| Publication Number | Publication Date |
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| CN210573761U true CN210573761U (en) | 2020-05-19 |
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| CN201921578612.3U Active CN210573761U (en) | 2019-09-20 | 2019-09-20 | Interface conversion circuit and signal detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114168511A (en) * | 2021-11-09 | 2022-03-11 | 深圳市纳祥科技有限公司 | Signal conversion circuit and device |
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2019
- 2019-09-20 CN CN201921578612.3U patent/CN210573761U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114168511A (en) * | 2021-11-09 | 2022-03-11 | 深圳市纳祥科技有限公司 | Signal conversion circuit and device |
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