CN206517440U - A kind of wireless adapter of sensor - Google Patents
A kind of wireless adapter of sensor Download PDFInfo
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- CN206517440U CN206517440U CN201621133454.7U CN201621133454U CN206517440U CN 206517440 U CN206517440 U CN 206517440U CN 201621133454 U CN201621133454 U CN 201621133454U CN 206517440 U CN206517440 U CN 206517440U
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Abstract
The utility model embodiment provides the wireless adapter of sensor, including：External interface is connected by modulus conversion chip with process chip, and process chip is connected with supply unit, and communication antenna is connected with process chip；External interface, for accessing sensor, the analog signal transmission that sensor is sent to modulus conversion chip；Modulus conversion chip, the analog signal for external interface to be inputted is converted into data signal, and data signal is sent to the process chip；Process chip, for handling received digital signal, using BLE communication modes, the data signal is sent to communication antenna；Communication antenna, for the data signal to be sent to receiving device.BLE communication modes, it is more low in energy consumption than the communication that prior art is used, the power consumption of wireless adapter is reduced, the cruising time of wireless adapter is improved, the cost of labor caused by frequently changing battery and battery spending is reduced.
Description
Technical Field
The utility model relates to a power electronics technical field especially relates to a wireless adapter of sensor.
Background
The wireless adapter of the sensor is an adapter adopting wireless communication, can be accessed into a sensor, receives the sensing signal of the sensor, and sends the sensing signal to other receiving end equipment in a wireless communication mode.
The wireless communication mode that the wireless adapter of current sensor adopted the consumption is big, leads to wireless adapter's time of endurance short, charges frequently, influences normal use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem lie in providing a wireless adapter of sensor to can adopt the BLE communication mode of low-power consumption, reduce wireless adapter's consumption.
Therefore, the utility model provides a technical problem's technical scheme is:
a wireless adapter for a sensor, the wireless adapter comprising:
the device comprises a processing chip, an analog-to-digital conversion chip, an external interface, a power supply device and a communication antenna;
the external interface is connected with the processing chip through the analog-to-digital conversion chip, the power supply device is respectively connected with the processing chip and the analog-to-digital conversion chip, and the communication antenna is connected with the processing chip;
the external interface is used for accessing the sensor and transmitting an analog signal sent by the sensor to the analog-to-digital conversion chip;
the analog-to-digital conversion chip is used for converting an analog signal input by an external interface into a digital signal and sending the digital signal to the processing chip;
the processing chip is used for processing the received digital signals and sending the digital signals to a communication antenna in a Bluetooth Low Energy (BLE) communication mode;
and the communication antenna is used for transmitting the digital signal to receiving end equipment.
Optionally, the processing chip includes:
the Bluetooth communication chip is connected with the control chip;
the control chip is used for processing the received digital signals and sending the processed digital signals to the Bluetooth communication chip;
the Bluetooth communication chip is used for sending the digital signals to receiving end equipment by adopting a Bluetooth Low Energy (BLE) communication mode.
Optionally, the wireless adapter further includes:
the Modbus protocol processing chip, the Modbus-RTU interface and the Modbus-TCP interface;
the Modbus-RTU interface and the Modbus-TCP interface are respectively connected with the Modbus protocol processing chip, and the Modbus protocol processing chip is connected with the Bluetooth communication chip;
the Modbus-RTU interface is used for receiving a first data signal transmitted in a serial port communication mode in a Modbus protocol and sending the first data signal to the Modbus protocol processing chip;
the Modbus-TCP interface is used for receiving a second data signal transmitted in a TCP mode in a Modbus protocol and sending the second data signal to the Modbus protocol processing chip;
the Modbus protocol processing chip is used for processing the first data signal and/or the second data signal and then sending the processed first data signal and/or the processed second data signal to the Bluetooth communication chip;
the Bluetooth communication chip is further configured to send the processed first data signal and the processed second data signal to receiving end equipment in a Bluetooth Low Energy (BLE) communication mode.
Alternatively to this, the first and second parts may,
the Bluetooth communication chip is also used for receiving a third data signal in a Bluetooth Low Energy (BLE) communication mode and sending the third data signal to the Modbus protocol processing chip;
the Modbus protocol processing chip is used for sending the third data signal to the Modbus-RTU interface and/or the Modbus-TCP interface after the third data signal is processed by a user;
the Modbus-RTU interface is also used for outputting a third data signal processed by the Modbus protocol processing chip;
and the Modbus-TCP interface is also used for outputting a third data signal processed by the Modbus protocol processing chip.
Alternatively to this, the first and second parts may,
the Bluetooth communication chip is connected with the control chip in an inserting mode through a PCB connector.
Optionally, the external interface includes:
any one or more external sub-interfaces of a 0-10V interface, a 0-20 mA interface, a thermal resistor interface and a thermocouple interface.
Optionally, the analog-to-digital conversion chip includes:
the analog-to-digital conversion chip is connected with all the external sub-interfaces;
or,
and each analog-to-digital conversion chip is connected with at least one external sub-interface.
Optionally, the wireless adapter further includes:
one end of the shunt circuit is connected with the 0-10V interface and the 0-20 mA interface respectively, and the other end of the shunt circuit is connected with the analog-to-digital conversion chip;
the 0-10V interface is used for sending the received fourth data signal of 0-10V to the shunt circuit;
the 0-20 mA interface is used for sending the received fifth data signal of 0-20 mA to the shunt circuit;
the shunt circuit is used for generating a sixth data signal and a seventh data signal according to the fourth data signal, sending the sixth data signal to the analog-to-digital conversion chip and outputting a seventh data signal, wherein the sixth data signal and the seventh data signal are the same as the fourth data signal;
or,
and the circuit is used for generating an eighth data signal and a ninth data signal according to the fifth data signal, sending the eighth data signal to the analog-to-digital conversion chip and outputting the ninth data signal, wherein the fifth data signal is the same as the eighth data signal and the ninth data signal.
Optionally, the external interface further includes:
a serial port UART and/or a high-speed synchronous serial port SPI of the universal asynchronous receiving and transmitting transmitter;
the UART is connected with the processing chip through a first isolation circuit;
and the SPI is connected with the processing chip through the second isolating circuit.
Optionally, the power supply device includes:
two sets of battery jars and two sets of batteries, install a set of battery in every group battery jar.
According to the above technical scheme, the utility model discloses there is following beneficial effect:
the embodiment of the utility model provides a wireless adapter of sensor, include: the device comprises a processing chip, an analog-to-digital conversion chip, an external interface, a power supply device and a communication antenna; the external interface is connected with the processing chip through the analog-to-digital conversion chip, the processing chip is connected with the power supply device, and the communication antenna is connected with the processing chip; the external interface is used for accessing the sensor and transmitting an analog signal sent by the sensor to the analog-to-digital conversion chip; the analog-to-digital conversion chip is used for converting an analog signal input by an external interface into a digital signal and sending the digital signal to the processing chip; the processing chip is used for processing the received digital signals and sending the digital signals to the communication antenna in a BLE communication mode; and the communication antenna is used for transmitting the digital signal to receiving end equipment. BLE communication mode, the wireless communication mode low power dissipation that adopts than prior art reduces wireless adapter's consumption, improves wireless adapter's time of endurance, reduces because of the cost of labor and the battery spending that frequently changes the battery and cause.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wireless adapter of a sensor according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a wireless adapter of a sensor according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a wireless adapter of a sensor according to an embodiment of the present invention;
fig. 4 is a schematic diagram of another structure of a wireless adapter of a sensor according to an embodiment of the present invention;
fig. 5 is a schematic diagram of another structure of a wireless adapter of a sensor according to an embodiment of the present invention;
fig. 6 is a schematic view of another structure of a wireless adapter of a sensor according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a wireless adapter of a sensor according to an embodiment of the present invention.
Detailed Description
In order to provide an implementation scheme for reducing the power consumption of a wireless adapter, the embodiment of the present invention provides a wireless adapter of a sensor, and the following description is made in conjunction with the accompanying drawings to explain the preferred embodiment of the present invention, and it should be understood that the preferred embodiment of the present invention is described.
Fig. 1 is a schematic structural diagram of a wireless adapter of a sensor provided by an embodiment of the present invention, including:
a processing chip 101, an analog-to-digital conversion chip 102, an external interface 103, a power supply device 104 and a communication antenna 105.
The external interface 103 is connected to the processing chip 101 through the analog-to-digital conversion chip 102, the power supply device 104 is connected to the processing chip and the analog-to-digital conversion chip 102, and the communication antenna 105 is connected to the processing chip 101.
The external interface 103 is configured to access a sensor, and transmit an analog signal sent by the sensor to the analog-to-digital conversion chip 102.
The analog-to-digital conversion chip 102 is configured to convert an analog signal input by the external interface 103 into a digital signal, and send the digital signal to the processing chip 101.
The processing chip 101 is configured to process the received digital signal, and send the digital signal to the communication antenna 105 in a BLE communication manner.
The communication antenna 105 is configured to transmit the digital signal to a receiving end device.
The processing chip 101 receives the digital signal sent by the analog-to-digital conversion chip 102, processes the digital signal to obtain a sensing signal which can be sent in a BLE (Bluetooth Low Energy) communication mode after processing, and sends the processed digital signal to the communication antenna in the BLE communication mode. The communication antenna 105 transmits the processed digital signal to an external receiving-end device. The processing chip 101 sends the processed digital signal in a BLE communication mode, and compared with a wireless transmission mode adopted in the prior art, the processing chip has low power consumption, improves the endurance time of the wireless adapter, reduces the charging or battery replacement frequency of a battery of the wireless adapter, and prolongs the service life of the battery of the wireless adapter.
The utility model discloses the BLE bluetooth communication mode who adopts in adopts latest 4.1/4.2 bluetooth low energy communication version, perhaps more recent bluetooth version. The version integrates 6LowPAN (IPv6 over Low Power Wireless personal area Networks), namely a Wireless embedded Internet of things technology of Low power consumption Wireless personal area network technology based on an IPv6 protocol, and the communication distance can reach 30m-300 m.
In one example, as shown in fig. 2, the processing chip 101 includes:
the Bluetooth communication device comprises a control chip 201 and a Bluetooth communication chip 202, wherein the Bluetooth communication chip 201 is connected with the control chip 202.
The control chip 201 is configured to process the received digital signal and send the processed digital signal to the bluetooth communication chip 202;
the bluetooth communication chip 202 is configured to send the digital signal to a receiving end device in a Bluetooth Low Energy (BLE) communication manner.
In one example, the processing chip 101 may be one chip integrated with BLE communication functions.
In another example, the processing chip 101 may further include two hardware chips, one is the control chip 201, and the hardware chip capable of providing core control and logic processing may be implemented by an ARM corporation Cortex-M series control chip, an NXP corporation LPC54000 series control chip, or a TEXAS interlocking MSP430 series control chip. One is a bluetooth communication chip 202, which can provide a hardware chip with BLE communication function, and in the specific implementation, a chip with model number CY8C4247 from Cypress company, a chip with model number QN9080 from NXP company, or a chip with model number CC2650 from texas struments company may be adopted. The control chip 201 and the bluetooth communication chip 202 in the processing chip 101 are installed on the motherboard through a PCB interface, which is convenient for replacement when the chip fails. Moreover, hardware chips for providing core control and logic processing with different functions are required, and the control chip 201 can be conveniently replaced.
Of course, the control chip 201 and the bluetooth communication chip 202 are not limited to the above-mentioned types of chips, and other types of chips may be used according to actual needs.
In one example, the control chip 201 and the bluetooth communication chip 202 are plugged by using a PCB connector.
The bluetooth communication chip 202 is inserted into the control chip 201 by means of a PCB connector, so that the bluetooth communication chip 202 can be conveniently and flexibly replaced.
In one example, as shown in fig. 3, the wireless adapter further comprises:
a Modbus protocol processing chip 301, a Modbus-RTU interface 302, and a Modbus-TCP interface 303.
The Modbus-RTU interface 302 and the Modbus-TCP interface 303 are respectively connected with the Modbus protocol processing chip 301, and the Modbus protocol processing chip 301 is connected with the Bluetooth communication chip 202.
The Modbus-RTU interface 302 is configured to receive a first data signal transmitted in a serial data mode in a Modbus protocol, and send the first data signal to the Modbus protocol processing chip 301.
The Modbus-TCP interface 303 is configured to receive a second data signal transmitted in a TCP mode in a Modbus protocol, and send the second data signal to the Modbus protocol processing chip 301.
The Modbus protocol processing chip 301 is configured to process the first data signal and/or the second data signal and then send the processed first data signal and/or the processed second data signal to the bluetooth communication chip 202.
The bluetooth communication chip 202 is further configured to send the processed first data signal and the second data signal to a receiving end device in a Bluetooth Low Energy (BLE) communication manner.
The Modbus-RTU interface 302 is configured to receive a first data signal transmitted in a Modbus-RTU (remote terminal control unit) mode. The Modbus-RTU interface 302 sends the received first data signal to the Modbus protocol processing chip 301. The Modbus-RTU interface 302 may be an interface of the type RS 485.
The Modbus-TCP interface 303 is configured to receive a second data signal transmitted in a TCP (Transmission control protocol) mode of the Modbus protocol. The Modbus-TCP interface 303 sends the received second data signal to the Modbus protocol processing chip 301. The Modbus-TCP interface 303 may adopt an interface with a model of RJ 45.
The Modbus protocol processing chip 301 processes the received first data signal, converts the first data signal into a data signal that can be recognized by the bluetooth communication chip 202, and sends the data signal to the bluetooth communication chip 202. The Modbus protocol processing chip 301 processes the received second data signal, converts the second data signal into a data signal that can be recognized by the bluetooth communication chip 202, and sends the data signal to the bluetooth communication chip 202. The bluetooth communication chip 202 sends the received processed first data signal and the processed second data signal to the mobile receiving end in a BLE communication mode.
In other words, in this example, the wireless adapter may receive data information of the Modbus protocol, convert the data information into data information that can be recognized by the bluetooth communication chip, and transmit the data information to the mobile receiving end by using the BLE communication method.
In another example, the bluetooth communication chip 202 is further configured to receive a third data signal in a bluetooth low energy BLE communication manner, and send the third data signal to the Modbus protocol processing chip 301.
The user of the Modbus protocol processing chip 301 may further process the third data signal and then send the third data signal to the Modbus-RTU interface 302 and/or the Modbus-TCP interface 303.
The Modbus-RTU interface 302 is further configured to output a third data signal processed by the Modbus protocol processing chip 301.
The Modbus-TCP interface 303 is further configured to output a third data signal processed by the Modbus protocol processing chip 301.
The bluetooth communication chip 202 may further send the third data information received in the BLE communication manner to the Modbus protocol processing chip 301. The Modbus protocol processing chip 301 processes the third data information, converts the third data information into third data information which can be sent in an RTU mode of the Modbus, and sends the processed third data information to the Modbus-RTU interface 302. The Modbus protocol processing chip 301 processes the third data information, and may also convert the third data information into third data information that can be sent in a TCP mode of Modbus, and send the processed third data information to the Modbus-TCP interface 303.
That is, in this example, the wireless adapter may receive the data information transmitted by the BLE communication method, process the data information, convert the data information into data information of the Modbus protocol, and transmit the data information to the Modbus-RTU interface 302 or the Modbus-TCP interface 303 in a required mode.
That is to say, the embodiment of the utility model provides a wireless adapter can realize converting the data information of Modbus protocol transmission into the transmission of bluetooth data information, also can realize converting the data information transmission of Modbus protocol transmission into the bluetooth data information.
In one example, as shown in fig. 4, the external interface 103 includes:
any one or more external sub-interfaces of a 0-10V interface 401, a 0-20 mA interface 402, a thermal resistor interface 403, and a thermocouple interface 404.
The external interface 103 can be set by itself according to actual needs, and the wireless adapter can only comprise any one of a 0-10V interface 401, a 0-20 mA interface 402, a thermal resistor interface 403 and a thermocouple interface 404, and is only used as a wireless adapter capable of being connected with a certain sensor. For example, if the wireless adapter only includes the thermal resistor 403 interface, the wireless adapter is a wireless adapter that can only access the thermal resistor. Only one other interface is arranged on the wireless adapter, the implementation method is similar, and only the type of the sensor which can be accessed by the wireless adapter is different.
The wireless adapter can further comprise a plurality of external sub-interfaces in a 0-10V interface 401, a 0-20 mA interface 402, a thermal resistor interface 403, a thermocouple interface 404 and a UART serial port 405. The wireless adapter is provided with a 0-10V interface 401, namely, a 0-10V signal can be received; a 0-20 mA interface 402 is arranged, so that a 0-20 mA signal can be received; a thermal resistor interface 403 is arranged, so that a thermal resistor can be accessed; a thermocouple port 404 is provided to enable access to the thermocouple.
It can be understood that the more external interfaces are arranged in the wireless adapter, the more various sensor signals can be converted into bluetooth signals, and the bluetooth signals are output in a BLE bluetooth transmission mode.
In one example, the analog-to-digital conversion chip 102 includes:
the analog-to-digital conversion chip is connected with all the external sub-interfaces;
or,
and each analog-to-digital conversion chip is connected with at least one external sub-interface.
As shown in fig. 4, when the wireless adapter has an external interface 103 connected to the analog-to-digital conversion chip 102, and the wireless adapter has a plurality of external sub-interfaces of a 0-10V interface 401, a 0-20 mA interface 402, a thermal resistor interface 403, and a thermocouple interface 404, if only one analog-to-digital conversion chip is provided in the wireless adapter, all the external sub-interfaces are connected to the mode conversion chip.
As shown in fig. 5, when a plurality of analog-to-digital conversion chips are provided in the wireless adapter and a plurality of external sub-interfaces are provided, each analog-to-digital conversion chip is connected to at least one external sub-interface. The 0-10V interface 401 and the 0-20 mA interface 402 are connected with an analog-to-digital conversion chip, and the thermal resistor interface 403 and the thermocouple interface 404 are connected with the analog-to-digital conversion chip.
Moreover, the analog-to-digital conversion chip can adopt a high-precision ADC analog-to-digital conversion chip. For example: and selecting a proper ADC according to actual needs by using a low-power-consumption high-resolution ADC (ADC is not less than 16Bit precision) with the model number of AD 7794.
In one example, as shown in fig. 6, the external interface further includes:
a UART (Universal Asynchronous Receiver/Transmitter) 601 and/or an SPI (Serial Peripheral Interface high speed synchronous Serial port) 602.
The UART 601 is connected with the processing chip 101 through a first isolation circuit 603;
the SPI 602 is connected to the processing chip 101 through the second isolation circuit 604.
The UART 601 and the SPI 602 can be connected to various sensors for measuring temperature, humidity, combustible gas, and angular velocity.
In one example, as shown in fig. 7, the wireless adapter further comprises:
a shunt circuit 701, one end of which is connected to the 0-10V interface 401 and the 0-20 mA interface 402, respectively, and the other end of which is connected to the analog-to-digital conversion chip;
the 0-10V interface 401 is configured to send the received fourth data signal of 0-10V to the shunt circuit 601.
The 0-20 mA interface 402 is configured to send the received fifth data signal of 0-20 mA to the shunt circuit 701.
The shunt circuit 701 is configured to generate a sixth data signal and a seventh data signal according to the fourth data signal, send the sixth data signal to the analog-to-digital conversion chip 102, and output a seventh data signal, where the sixth data signal is the same as the seventh data signal and the fourth data signal;
or,
and the second data signal is used for generating an eighth data signal and a ninth data signal according to the fifth data signal, sending the eighth data signal to the analog-to-digital conversion chip 102, and outputting the ninth data signal, wherein the fifth data signal is the same as the eighth data signal and the ninth data signal.
The shunt circuit 701 is connected with the 0-10V interface 401, shunts the fourth data signal received by the 0-10V interface 401, obtains a sixth data signal and a seventh data signal, the sixth data signal is the same as the seventh data signal and the fourth data signal, sends the sixth data signal to the analog-to-digital conversion chip 102, and finally sends the sixth data signal in a BLE communication mode. And directly outputting the seventh data signal to other receiving end equipment outside the wireless adapter. Thus, the original 0-10V signals can be transmitted to other signal receiving devices in parallel while the fourth data signals are output through Bluetooth.
Similarly, the shunt circuit 701 is connected to the 0-20 mA interface 402, and shunts the fifth data signal received by the 0-20 mA interface 402 to obtain an eighth data signal and a ninth data signal, where the eighth data signal is the same as the ninth data signal and the fifth data signal, and the eighth data signal is sent to the analog-to-digital conversion chip 102 and finally sent in a BLE communication manner. And directly outputting the ninth data signal to other receiving end equipment except the infinite adapter. Therefore, when the fifth data signal is output through Bluetooth, the original 0-20 mA signal can be transmitted to other signal receiving equipment in parallel.
It can be understood that, after the wireless adapter provided in the above example is connected to a device outputting 0-10V signals or 0-20 mA, the data signals output by the device are processed in a shunt manner, one of the data signals is sent to the analog-to-digital conversion chip 102, and finally sent by bluetooth; the other path is the same as the original data signal and is directly output to other external receiving equipment. That is to say, the data signal that the equipment that inserts wireless adapter exported not only can adopt the bluetooth mode to export, can also export former data signal, does not influence the precision and the transmission demand of former data signal.
In one example, the power supply device 104 includes:
two sets of battery jars and two sets of batteries, install a set of battery in every group battery jar.
The power supply device 104 is used for supplying power to each power consumption device in the wireless adapter. Such as power to a processing chip, analog-to-digital conversion chip, etc.
The embodiment of the utility model provides a wireless adapter can also adopt the double cell mode, sets up two sets of battery jars, installs a set of battery (under the general condition, including two sections batteries) in every group battery jar. Therefore, after one group of batteries are dead, when the batteries are replaced, the other group of batteries can supply power to the wireless adapter, and the wireless adapter is guaranteed not to be powered off. In particular, a CR2032 coin cell battery, or other micro-battery, may be used to reduce the size of the wireless adapter.
In one example, the communication antenna 105 includes:
and the micro antenna is arranged on the processing chip, or an antenna externally connected with a feeder line is adopted.
When the micro antenna mounted on the processing chip is adopted in the wireless adapter, the volume of the wireless adapter can be reduced. If long-distance transmission is needed, an external antenna can be adopted and is specifically arranged according to actual needs, and specific limitation is not carried out.
Furthermore, the embodiment of the utility model provides a wireless adapter can also set up and reserve the serial ports, makes things convenient for sensors such as later stage access GPS, accelerometers, gyroscope.
It should be noted here that the utility model provides an outside receiving terminal equipment, be the receiving terminal equipment who adopts BLE communication mode to carry out bluetooth communication with wireless adapter, can be mobile receiving terminal equipment, like cell-phone, panel computer, unmanned aerial vehicle etc. also can be the PLC controller, PC receiving terminal equipment, do not specifically prescribe a limit to here.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A wireless adapter for a sensor, the wireless adapter comprising:
the device comprises a processing chip, an analog-to-digital conversion chip, an external interface, a power supply device and a communication antenna;
the external interface is connected with the processing chip through the analog-to-digital conversion chip, the power supply device is respectively connected with the processing chip and the analog-to-digital conversion chip, and the communication antenna is connected with the processing chip;
the external interface is used for accessing the sensor and transmitting an analog signal sent by the sensor to the analog-to-digital conversion chip;
the analog-to-digital conversion chip is used for converting an analog signal input by an external interface into a digital signal and sending the digital signal to the processing chip;
the processing chip is used for processing the received digital signals and sending the digital signals to a communication antenna in a Bluetooth Low Energy (BLE) communication mode;
and the communication antenna is used for transmitting the digital signal to receiving end equipment.
2. The wireless adapter as recited in claim 1, wherein the processing chip comprises:
the Bluetooth communication chip is connected with the control chip;
the control chip is used for processing the received digital signals and sending the processed digital signals to the Bluetooth communication chip;
the Bluetooth communication chip is used for sending the digital signals to receiving end equipment by adopting a Bluetooth Low Energy (BLE) communication mode.
3. The wireless adapter according to claim 2, wherein the wireless adapter further comprises:
the Modbus protocol processing chip, the Modbus-RTU interface and the Modbus-TCP interface;
the Modbus-RTU interface and the Modbus-TCP interface are respectively connected with the Modbus protocol processing chip, and the Modbus protocol processing chip is connected with the Bluetooth communication chip;
the Modbus-RTU interface is used for receiving a first data signal transmitted in a serial port communication mode in a Modbus protocol and sending the first data signal to the Modbus protocol processing chip;
the Modbus-TCP interface is used for receiving a second data signal transmitted in a TCP mode in a Modbus protocol and sending the second data signal to the Modbus protocol processing chip;
the Modbus protocol processing chip is used for processing the first data signal and/or the second data signal and then sending the processed first data signal and/or the processed second data signal to the Bluetooth communication chip;
the Bluetooth communication chip is further configured to send the processed first data signal and the processed second data signal to receiving end equipment in a Bluetooth Low Energy (BLE) communication mode.
4. The wireless adapter according to claim 3,
the Bluetooth communication chip is also used for receiving a third data signal in a Bluetooth Low Energy (BLE) communication mode and sending the third data signal to the Modbus protocol processing chip;
the Modbus protocol processing chip is used for sending the third data signal to the Modbus-RTU interface and/or the Modbus-TCP interface after the third data signal is processed by a user;
the Modbus-RTU interface is also used for outputting a third data signal processed by the Modbus protocol processing chip;
and the Modbus-TCP interface is also used for outputting a third data signal processed by the Modbus protocol processing chip.
5. The wireless adapter according to any one of claims 2-4,
the Bluetooth communication chip is connected with the control chip in an inserting mode through a PCB connector.
6. The wireless adapter according to claim 1, wherein the external interface comprises:
any one or more external sub-interfaces of a 0-10V interface, a 0-20 mA interface, a thermal resistor interface and a thermocouple interface.
7. The wireless adapter of claim 6, wherein the analog-to-digital conversion chip comprises:
the analog-to-digital conversion chip is connected with all the external sub-interfaces;
or,
and each analog-to-digital conversion chip is connected with at least one external sub-interface.
8. The wireless adapter according to claim 6, wherein the wireless adapter further comprises:
one end of the shunt circuit is connected with the 0-10V interface and the 0-20 mA interface respectively, and the other end of the shunt circuit is connected with the analog-to-digital conversion chip;
the 0-10V interface is used for sending the received fourth data signal of 0-10V to the shunt circuit;
the 0-20 mA interface is used for sending the received fifth data signal of 0-20 mA to the shunt circuit;
the shunt circuit is used for generating a sixth data signal and a seventh data signal according to the fourth data signal, sending the sixth data signal to the analog-to-digital conversion chip and outputting a seventh data signal, wherein the sixth data signal and the seventh data signal are the same as the fourth data signal;
or,
and the circuit is used for generating an eighth data signal and a ninth data signal according to the fifth data signal, sending the eighth data signal to the analog-to-digital conversion chip and outputting the ninth data signal, wherein the fifth data signal is the same as the eighth data signal and the ninth data signal.
9. The wireless adapter according to any of claims 6-8, wherein the external interface further comprises:
a serial port UART and/or a high-speed synchronous serial port SPI of the universal asynchronous receiving and transmitting transmitter;
the UART is connected with the processing chip through a first isolation circuit;
and the SPI is connected with the processing chip through a second isolating circuit.
10. The wireless adapter according to any one of claims 6-8, wherein the power supply means comprises:
two sets of battery jars and two sets of batteries, install a set of battery in every group battery jar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621133454.7U CN206517440U (en) | 2016-10-18 | 2016-10-18 | A kind of wireless adapter of sensor |
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| CN201621133454.7U CN206517440U (en) | 2016-10-18 | 2016-10-18 | A kind of wireless adapter of sensor |
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| CN201621133454.7U Expired - Fee Related CN206517440U (en) | 2016-10-18 | 2016-10-18 | A kind of wireless adapter of sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100032105A1 (en) * | 2021-12-24 | 2022-03-24 | Silvio Pistolesi | METHOD FOR COMMUNICATION WITH MODBUS PROTOCOL VIA BLUETOOTH |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100032105A1 (en) * | 2021-12-24 | 2022-03-24 | Silvio Pistolesi | METHOD FOR COMMUNICATION WITH MODBUS PROTOCOL VIA BLUETOOTH |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20211018 |