Data transmission PCB and data transmission device

Abstract

The invention relates to the technical field of data transmission, and provides a data transmission PCB and a data transmission device. The microprocessor and the data interface are arranged on the PCB body, and the microprocessor is electrically connected with the data interface; wherein the data interface comprises an analog quantity input interface, an on-off input interface, an on-off output interface and an RS485 interface, the analog quantity input interface is used for connecting an analog quantity sensor, the on-off input interface is used for connecting a digital quantity sensor, and the on-off output interface is used for connecting digital quantity switch equipment; the RS485 interface is used as a host interface and / or a slave interface; according to the invention, the types and number of interfaces are expanded, and the sensing ability is improved; the integrated design of the hardware structure is better, the operation and maintenance difficulty is low, and the cost is also low.

Description

Technical Field

[0001] The invention relates to the technical field of data transmission, and specifically discloses a data transmission PCB board and data acquisition and transmission equipment. Background Art

[0002] Data acquisition and transmission equipment is mainly used in the field end of the online environmental monitoring system. The data acquisition instrument mainly realizes the acquisition and storage of data of various types of monitoring instruments and meters, and can complete the data transmission function with the host computer. It has independent data processing function.

[0003] The data acquisition and transmission equipment is the connecting instrument between the field instrument and the host computer system. It transmits data and status to the host computer through the transmission network. The host computer sends control commands through the transmission network, and the data acquisition and transmission equipment controls the monitoring instrument according to the commands. In the entire online environmental monitoring system, the host computer is a general term for the online monitoring system software platform, and the slave computer is a general term for field instruments, including industrial control computers with computing and processing capabilities provided by instrument suppliers.

[0004] However, there are many manufacturers of existing data acquisition and transmission equipment. Due to historical reasons, there are problems such as inconsistent types and numbers of hardware interfaces and large performance differences. Summary of the invention

[0005] The purpose of the present invention is to overcome the problems of inconsistent types and quantities of hardware interfaces and large performance differences in existing data acquisition and transmission equipment, and to provide a data transmission PCB board and a data acquisition and transmission equipment.

[0006] In order to achieve the above object, the present invention provides a data transmission PCB board, comprising:

[0007] PCB body;

[0008] A microprocessor and a data interface are arranged on the PCB body, and the microprocessor and the data interface are electrically connected;

[0009] Among them, the data interface includes an analog input interface, a switch input interface, a switch output interface and an RS485 interface. The analog input interface is used to connect an analog sensor, the switch input interface is used to connect a digital sensor, the switch output interface is used to connect a digital switch device, and the RS485 interface serves as a host interface and / or a slave interface.

[0010] As an implementable embodiment, the data interface includes an alarm module interface, and the alarm module interface is used to connect an alarm module, and the alarm module includes a buzzer and / or an alarm light.

[0011] As an implementable embodiment, it also includes:

[0012] A manual alarm button is arranged on the PCB body.

[0013] As an implementable embodiment, the microprocessor is an i.MX series application microprocessor.

[0014] As an implementable embodiment, the data interface also includes a light board socket interface, and the light board socket interface is used to connect an indicator light board module, and the indicator light board module is used to indicate different operating states of the PCB board.

[0015] As an implementable embodiment, the data interface also includes a touch screen socket interface for connecting a touch screen module.

[0016] As an implementable embodiment, it also includes:

[0017] The first power module, the second power module, the internal memory, the FLASH memory, the WIFI module and the relay are arranged on the PCB body, and the power input interface, the internal memory, the FLASH memory, the WIFI module and the relay are respectively connected to the microprocessor through corresponding data interfaces; wherein the first power module is used to connect to an external power supply or a battery to realize over-current and over-voltage protection and battery management; the second power module is used to power the analog quantity sensor and the digital quantity sensor; the switch quantity output interface is a relay output interface, and the microprocessor is connected to the digital switch quantity device through the relay output interface;

[0018] The data interface also includes a power input interface, a USB interface, a network interface, a debugging serial port, an external memory interface and a 4G module interface; wherein, the first power module is connected to an external power supply or a battery through the power input interface, and the network interface includes a WAN port and a LAN port.

[0019] As an implementable embodiment, the analog input interface has 16 analog inputs, the switch input interface has 8 digital inputs, the switch output interface has 16 digital outputs, and the RS485 interface has at least two channels, at least one RS485 interface serving as a slave interface, and at least one RS485 interface serving as a host interface.

[0020] Correspondingly, the present invention also provides a data acquisition and transmission device including the data transmission PCB board, further comprising:

[0021] The data transmission PCB is located inside the housing.

[0022] As an implementable embodiment, it also includes:

[0023] An alarm module is arranged on the PCB body and exposed on the outer surface of the shell. The alarm module is connected to the microprocessor through a corresponding data interface, wherein the alarm module is a buzzer and / or an alarm light.

[0024] As an implementable embodiment, when the PCB body is further provided with a manual alarm button, the manual alarm button is exposed on the outer surface of the shell.

[0025] As an implementable embodiment, it also includes:

[0026] An indicator light board module is arranged on the PCB body, the indicator light board module is used to indicate the data transmission status of the PCB body, and the indicator light board module is exposed on the outer surface of the shell, and the indicator light board module is connected to the microprocessor through a corresponding data interface.

[0027] As an implementable embodiment, it also includes:

[0028] A touch screen module is arranged on the PCB body and is exposed on the outer surface of the housing. The touch screen module is connected to the microprocessor via a corresponding data interface.

[0029] Beneficial effects of the present invention:

[0030] The present invention provides a data transmission PCB board and a data transmission device, comprising: a PCB body; a microprocessor and a data interface arranged on the PCB body, the microprocessor and the data interface being electrically connected; wherein the data interface comprises an analog input interface, a switch input interface, a switch output interface and an RS485 interface, the analog input interface is used to connect an analog sensor, the switch input interface is used to connect a digital sensor, the switch output interface is used to connect a digital switch device, and the RS485 interface is used as a host interface and / or a slave interface. The hardware structure of the present invention is more optimally integrated, the operation and maintenance difficulty is lower, and the equipment cost is also lower. The present invention expands the types and number of interfaces and improves the perception capability. The present invention supports smooth CPU upgrades and improves the processing capability. The present invention supports multiple data transmission modes and supports access to different application scenarios. The present invention has a compact structure, is safe, and has a small size, which is convenient for installing the external manual emergency button of the present invention to facilitate the first-time emergency alarm. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 Schematic diagram of a data transmission PCB board provided for some embodiments of the present invention. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] In this application document, unless otherwise clearly specified and limited, the terms "connected", "connection", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0035] There are many hardware manufacturers in the existing solutions. Due to historical reasons, there are problems such as inconsistent types and numbers of hardware interfaces and large performance differences. For example, the existing data acquisition equipment has Ethernet interfaces and 4G data transmission interfaces, but cannot support the access of LoRa wireless data acquisition sensors, cannot be used as a host to connect WiFi peripherals, or as a slave to connect to the wireless AP gateway in the computer room.

[0036] Therefore, the present invention provides a data transmission PCB board, comprising:

[0037] PCB body 1; microprocessor 150 stacked on the PCB body 1; data interface arranged on the PCB body 1, the microprocessor 150 and the data interface are connected; wherein the data interface includes an analog input interface 270, a switch input interface 240, a switch output interface 280 and an RS485 interface 260, the analog input interface 270 is used to connect an analog sensor, the switch input interface 240 is used to connect a digital sensor, the switch output interface 280 is used to connect a digital switch device, and the RS485 interface 260 is used to connect to other hosts and / or other slaves.

[0038] In some embodiments, the analog input interface has 16 analog inputs, the switch input interface has 8 digital inputs, the switch output interface has 16 digital outputs, and the RS485 interface has at least two channels, at least one of which is used as a slave interface to connect to, for example, a computer room wireless AP gateway, and at least one of which is used as a host interface to connect to, for example, a WiFi peripheral.

[0039] In some embodiments, the analog sensor may be a combustible gas sensor, etc., and the digital switch device may be a shut-off valve, a fan, a sprinkler, etc.

[0040] Most of the current hardware development platforms are microprocessor chips with a main frequency of 100 MHz or tens of MHz. The main chip has limited processing power and cannot be used for more complete data acquisition interfaces and application scenarios with higher data refresh rates. Therefore, in some embodiments, the microprocessor is an i.MX series application microprocessor. The NXP i.MX series application microprocessor is based on 32- and 64-bit ARM technology, provides multi-core solutions, is suitable for multimedia and display applications, and has the characteristics of high performance and low power consumption, scalability, safety and reliability. The i.MX series family members include i.MX28 series, i.MX6 series, i.MX7 series, i.MX8 series, and i.MX RT series. The i.MX series application microprocessor enables the application of more data acquisition interfaces and higher data refresh rates, provides platform upgradeability, and improves microprocessor performance and provides platform upgradeability, which is an inevitable requirement for adapting to multi-business and high real-time scenarios. The processor performance has been improved by fully considering the environmental perception, emergency response capabilities and real-time response requirements in the security risk monitoring and early warning scenarios. The main frequency has been increased from tens of megahertz to 600MHz. At the same time, the PCB stacking technology can achieve smooth evolution capabilities to several GHz main frequency by replacing the core board, while greatly reducing the space volume of the overall hardware circuit.

[0041] In some embodiments, the data interface also includes a light board socket interface 170, and the light board socket interface 170 is used to connect the indicator light board module. The indicator light board module includes a plurality of indicator lights for indicating different operating states of the PCB board. Specifically, the indicator light board module includes: a power supply indicator light for indicating the power supply state; an operation indicator light for indicating whether the system is operating normally; a digital input indicator light for indicating that the switch input interface 240 is inputting data; a digital output indicator light for indicating that the switch output interface 280 is outputting data; an RS485 receiving indicator light for indicating that the RS485 interface 260 is receiving data; an RS485 sending indicator light for indicating that the RS485 interface 260 is sending data; and a network port indicator light for indicating the connection and data transmission status of the network interface 290.

[0042] In some embodiments, the data interface also includes a touch screen socket interface 140 for connecting a touch screen module. The touch screen module can be a 7-inch RGB capacitive touch screen that supports touch operation. In addition, since the human-machine interface of existing products does not meet the application requirements of security risk monitoring scenarios, a fully functional and simple human-machine interface is presented through customized security risk monitoring and early warning software protocol development and touch screen interface. Message transmission is achieved through the advanced message queue protocol AMQP and the advanced message queue protocol MQTT and software platform.

[0043] In some embodiments, the data transmission PCB board further includes: a relay disposed on the PCB body 1, the switch output interface 280 is a relay output interface, and the microprocessor is connected to a digital switch device via the relay output interface.

[0044] In some embodiments, the data transmission PCB board also includes: a first power module, a second power module 220, an internal memory, a FLASH memory, and a WIFI module 110 located on the PCB body, and the power input interface 130, the internal memory, the FLASH memory, the WIFI module 110 and the relay are respectively connected to the microprocessor through corresponding data interfaces. The first power module is used to connect to an external power supply or a battery to realize the functions of overcurrent and overvoltage protection and battery management, and the second power module 220 is used to power analog sensors and digital sensors. At the same time, when the battery is powered, lithium iron phosphate batteries are supported as backup power supplies, which improves safety compared to ordinary lithium batteries.

[0045] In some embodiments, the data interface also includes a power input interface 130, a USB interface 180, a network interface 290, a debug serial port 190, an external memory interface 250 and a 4G module interface 230; wherein the network interface 290 has a WAN port and a LAN port. In one embodiment, the USB interface 180 is used to insert an external USB flash drive to load or read data; the network interface 290 provides two 100M RJ45 network ports with 1.5kv electromagnetic isolation requirements for transmitting data to or receiving data from the network. In one embodiment, the debug serial port 190 is used to detect and debug hardware or software systems. The external memory interface 250 is used for stacking external memory cards such as TF cards. In one embodiment, the 4G module interface 230 is used to connect a 4G module, which is an optional module, including a SIM card, connected to the PCB body through a high-speed USB differential signal, and can use a 4G suction cup antenna and module greater than 5dBi, and the exposed slot is convenient for replacing the SIM card. In some embodiments, the power input interface 130 can support a wide voltage input of 110V-220V, and is used to automatically determine the external mains power supply or battery power supply status, and automatically notify the management platform when the external power supply is cut off. The first power module is connected to an external power supply or a battery through the power input interface 130.

[0046] In existing data collection and transmission equipment, all wiring except the antenna is sealed inside the casing and cannot be opened except by professionals. This design has good safety itself, but is not suitable for emergency monitoring scenarios of safety risks.

[0047] Therefore, in some embodiments, the data interface includes an alarm module interface 210, and the alarm module interface 210 is used to connect the alarm module, and the alarm module includes a buzzer and / or an alarm light. When the monitored value exceeds the set warning value, the buzzer and / or the alarm light will give an alarm, so that the need for manual alarm is met through the sound and light alarm indication signal.

[0048] In some embodiments, a manual alarm button 120 is also provided on the PCB body 1. By adding an emergency button in a targeted manner, the need for manual alarm is met, and emergency alarm is facilitated in the first place.

[0049] Correspondingly, the present invention also provides a data acquisition and transmission device including the data transmission PCB board, and further includes: a shell, and the data transmission PCB board is located inside the shell.

[0050] In some embodiments, the data acquisition and transmission device also includes: a touch screen module disposed on the PCB body 1, and the touch screen module is exposed on the outer surface of the shell, and the touch screen module is connected to the microprocessor 150 through a corresponding data interface, specifically, the microprocessor 150 can be connected through a touch screen socket interface 140.

[0051] In addition, in view of the problem that the existing data acquisition instrument products, except for the antenna, the wiring is sealed inside the shell and cannot be opened except for professionals. In some embodiments, when the PCB body 1 is also provided with a manual alarm button 120, the manual alarm button 120 is exposed on the outer surface of the shell.

[0052] Correspondingly, the data acquisition and transmission equipment also includes: an alarm module arranged on the PCB body, and the alarm module is exposed on the outer surface of the shell, the alarm module is connected to the microprocessor 150 through a corresponding data interface, specifically connected to the microprocessor 150 through an alarm module interface 210, wherein the alarm module is a buzzer and / or an alarm light, so that the need for manual alarm is met through sound, light and electricity alarm indication signals.

[0053] In some embodiments, the data acquisition and transmission device further includes: an indicator light board module disposed on the PCB body 1, and the indicator light board module is exposed to the outer surface of the shell, and the indicator light board module is connected to the microprocessor 150 through a corresponding data interface, specifically connected to the microprocessor 150 through a light board socket interface 170. The indicator light board module includes a plurality of indicator lights, which are used to indicate different operating states of the PCB board and are controlled by the microprocessor 150. Specifically, the indicator light board module includes: a power supply indicator light, which is used to indicate the power supply state; an operation indicator light, which is used to indicate whether the system is operating normally; a digital input indicator light, which is used to indicate that the switch input interface 240 is inputting data; a digital output indicator light, which is used to indicate that the switch output interface 280 is outputting data; an RS485 receiving indicator light, which is used to indicate that the RS485 interface 260 is receiving data; an RS485 sending indicator light, which is used to indicate that the RS485 interface 260 is sending data; and a network port indicator light, which is used to indicate the connection and data transmission status of the network interface 290.

[0054] Although the present invention has been disclosed as above in the form of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art may make possible changes and modifications to the technical solution of the present invention by using the methods and technical contents disclosed above without departing from the spirit and scope of the present invention. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims

1. A data transmission PCB board, characterized in that: include: PCB body; A microprocessor and a data interface are arranged on the PCB body, and the microprocessor and the data interface are electrically connected; Among them, the data interface includes an analog input interface, a switch input interface, a switch output interface and an RS485 interface. The analog input interface is used to connect an analog sensor, the switch input interface is used to connect a digital sensor, the switch output interface is used to connect a digital switch device, and the RS485 interface serves as a host interface and / or a slave interface.

2. The data transmission PCB board according to claim 1, characterized in that: The data interface includes an alarm module interface, and the alarm module interface is used to connect an alarm module, and the alarm module is a buzzer and / or an alarm light.

3. The data transmission PCB board according to claim 1, characterized in that: Also includes: A manual alarm button is arranged on the PCB body.

4. The data transmission PCB board according to claim 1, characterized in that: The microprocessor is an i.MX series application microprocessor.

5. The data transmission PCB board according to claim 1, characterized in that: The data interface also includes a light board socket interface, and the light board socket interface is used to connect an indicator light board module, and the indicator light board module is used to indicate the data transmission status of the PCB body.

6. The data transmission PCB board according to claim 1, characterized in that: The data interface also includes a touch screen socket interface for connecting a touch screen module.

7. The data transmission PCB board according to claim 1, characterized in that: Also includes: The first power module, the second power module, the internal memory, the FLASH memory, the WIFI module and the relay are arranged on the PCB body, and the power input interface, the internal memory, the FLASH memory, the WIFI module and the relay are respectively connected to the microprocessor through corresponding data interfaces; wherein the first power module is used to connect to an external power supply or a battery to realize over-current and over-voltage protection and battery management; the second power module is used to power the analog quantity sensor and the digital quantity sensor; the switch quantity output interface is a relay output interface, and the microprocessor is connected to the digital switch quantity device through the relay output interface; The data interface also includes a power input interface, a USB interface, a network interface, a debugging serial port, an external memory interface, and a 4G module interface; wherein the first power module is connected to an external power source or a battery through the power input interface, and the network interface includes a WAN port and a LAN port.

8. The data transmission PCB board according to claim 1, characterized in that: The analog input interface has 16 analog inputs, the switch input interface has 8 digital inputs, the switch output interface has 16 digital outputs, and the RS485 interface has at least two channels, at least one of which is used as a slave interface and at least one of which is used as a host interface.

9. A data acquisition and transmission device comprising the data transmission PCB board according to any one of claims 1 to 8, characterized in that: Also includes: The data transmission PCB is located inside the housing.

10. The data acquisition and transmission device according to claim 9, characterized in that: Also includes: An alarm module is arranged on the PCB body and exposed on the outer surface of the shell. The alarm module is connected to the microprocessor through a corresponding data interface, wherein the alarm module is a buzzer and / or an alarm light.

11. The data acquisition and transmission device according to claim 9, characterized in that: When the PCB body is further provided with a manual alarm button, the manual alarm button is exposed on the outer surface of the shell.

12. The data acquisition and transmission device according to claim 9, characterized in that: Also includes: An indicator light board module is arranged on the PCB body, the indicator light board module is used to indicate the data transmission status of the PCB body, and the indicator light board module is exposed on the outer surface of the shell, and the indicator light board module is connected to the microprocessor through a corresponding data interface.

13. The data acquisition and transmission device according to claim 9, characterized in that: Also includes: A touch screen module is arranged on the PCB body and is exposed on the outer surface of the housing. The touch screen module is connected to the microprocessor via a corresponding data interface.

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