Measuring device based on millimeter wave isolation

Abstract

The utility model provides a measuring device based on millimeter wave isolation. The measuring device comprises a signal measuring system, a control system and a millimeter wave isolation module, and the signal measurement system and the control system are respectively connected with the millimeter wave isolation module. According to the utility model, through data isolation transmission based on the millimeter wave technology, data transmission between a signal measurement system and a control system has higher isolation, higher rate, higher bandwidth (as high as 10Gbps) and stronger anti-interference performance; in addition, the millimeter wave-based carrier antenna is small and is easier to integrate and design.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, in particular to a measuring device based on millimeter wave isolation. Background Art

[0002] In some scenarios, there is a need to measure and monitor external signals through a measuring device. The signal measurement system and the control system in the measuring device are usually in different voltage domains. In the prior art, magnetic coupling isolation or capacitive coupling isolation technology is usually used to achieve electrical isolation between the signal measurement system and the control system. However, the general isolator chip based on the above isolation technology often fails to meet the data communication requirements of high speed, high bandwidth and high isolation. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a measurement device based on millimeter wave isolation, which can realize data communication requirements of high rate, high bandwidth and high isolation between a signal measurement system and a control system.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] A measuring device based on millimeter wave isolation comprises: a signal measuring system, a control system and a millimeter wave isolation module; the signal measuring system and the control system are respectively connected to the millimeter wave isolation module.

[0006] Optionally, the signal measurement system includes a measurement signal input terminal, a measurement circuit and a measurement controller; the measurement signal input terminal, the measurement circuit and the measurement controller are connected in sequence; and the measurement controller is also connected to the millimeter wave isolation module.

[0007] Optionally, the measurement circuit comprises one or more digital-to-analog converters ADC.

[0008] Optionally, the control system includes a main controller and an I / O interface; the main controller is connected to the I / O interface and the millimeter wave isolation module respectively.

[0009] Optionally, the millimeter wave isolation module includes a first millimeter wave transceiver unit, a second millimeter wave transceiver unit, a first signal input interface, a first signal output interface, a second signal input interface and a second signal output interface; the signal transceiver direction of the first millimeter wave transceiver unit is opposite to that of the second millimeter wave transceiver unit; the first millimeter wave transceiver unit is respectively connected to the first signal input interface and the first signal output interface; the second millimeter wave transceiver unit is respectively connected to the second signal input interface and the second signal output interface;

[0010] The signal measurement system is connected to the first signal input interface and the second signal output interface respectively; the control system is connected to the first signal output interface and the second signal input interface respectively.

[0011] Optionally, the first millimeter wave transceiver unit and the second millimeter wave transceiver unit each include a receiving antenna, a transmitting antenna, a receiver, a transmitter, a transmitting digital logic processor and a receiving digital logic processor; the transmitting digital logic processor, the transmitter and the transmitting antenna are connected in sequence; the receiving antenna, the receiver and the receiving digital logic processor are connected in sequence; the transmitting antenna and the receiving antenna are wirelessly connected based on millimeter waves.

[0012] Optionally, the number of interfaces of the first signal input interface, the first signal output interface, the second signal input interface and the second signal output interface is more than two.

[0013] Optionally, the millimeter wave isolation module is a millimeter wave isolation chip.

[0014] Optionally, the signal measurement system further includes one or more of the following measurement devices: a temperature sensor, a pressure sensor, a distance sensor, and a switch signal sensor.

[0015] The beneficial effect of the present invention is that the present invention utilizes a millimeter wave isolation module to realize isolated communication between a signal measurement system and a control system in different voltage domains. Compared with traditional isolation methods, data isolation transmission based on millimeter wave technology will enable data transmission between the signal measurement system and the control system to have higher isolation, higher speed, higher bandwidth (up to 10Gbps), and stronger anti-interference ability; in addition, the millimeter wave carrier antenna is small and easier to integrate and design. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a measurement device based on millimeter wave isolation provided in Embodiment 1 of the present utility model;

[0017] Figure 2 A schematic diagram of the structure of a millimeter wave isolation module provided in Embodiment 2 of the present utility model;

[0018] Figure 3 A schematic diagram of the structure of a millimeter wave isolation module provided for a specific implementation of the utility model;

[0019] Figure 4 A schematic diagram of the structure of a millimeter wave transceiver unit provided for a specific implementation of the utility model;

[0020] Figure 5 This is a schematic diagram of the framework structure of a specific application scenario provided in Example 3 of the present utility model.

[0021] Description of labels:

[0022] 100. Signal measurement system; 200. Millimeter wave isolation module; 300. Control system;

[0023] 101. measurement signal input terminal; 102. measurement circuit; 103. measurement controller;

[0024] 301, main controller; 302, I / O interface;

[0025] 201, first millimeter wave transceiver unit; 202, first signal input interface; 203, first signal output interface; 211, second millimeter wave transceiver unit; 212, second signal output interface; 213, second signal input interface; DETAILED DESCRIPTION

[0026] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0027] The most critical concept of the utility model is to use a millimeter wave isolation module to achieve isolated communication between a signal measurement system and a control system in different voltage domains.

[0028] Please refer to Figure 1 , Embodiment 1 of the present utility model is:

[0029] This embodiment provides a measurement device based on millimeter wave isolation, such as Figure 1 As shown, it includes a signal measurement system and a control system; in particular, it also includes a millimeter wave isolation module; the signal measurement system and the control system are respectively connected to the millimeter wave isolation module, that is, the signal measurement system and the control system perform wireless isolation communication through the millimeter wave isolation module.

[0030] It can be understood that the signal measurement system (high voltage domain) and the control system (low voltage domain) in different voltage domains need to be isolated and communicated to ensure the equipment safety of the control system and the safety of the operators. In this embodiment, by using millimeter wave isolation technology to achieve voltage isolation and isolated data transmission between the signal measurement system and the control system, compared with the traditional isolation transmission technology using electric coupling or capacitive coupling, it not only has stronger isolation and stronger anti-interference, but also can obtain higher security and data fidelity effects; it can also improve the speed and bandwidth of data transmission to a certain extent (up to 10Gbps); in addition, based on the small characteristics of the millimeter wave carrier antenna, it will be beneficial to the integrated design of the isolation module and reduce the overall volume of the measuring device.

[0031] In some specific implementations of this embodiment, Figure 1 As shown, the signal measurement system 100 includes a measurement signal input terminal 101, a measurement circuit 102 and a measurement controller 103; the measurement signal input terminal 101, the measurement circuit 102 and the measurement controller 103 are connected in sequence; the measurement controller 103 is also connected to the millimeter wave isolation module 200. The measurement signal input terminal is used as an input port for external measurement signals, and the external measurement signals include temperature signals, pressure signals, distance signals, switch signals, etc. The measurement circuit may include one or more digital-to-analog converters ADC, which are used to convert the analog voltage signal input through the measurement signal input terminal into a digital signal and then send it to the measurement controller; the measurement controller is used to control the measurement data of the digital signal to be sent to the control system via the millimeter wave isolation module.

[0032] In some specific implementations of this embodiment, the control system 300 includes a main controller 301 and an I / O interface 302; the main controller 301 is respectively connected to the I / O interface 302 and the millimeter wave isolation module 200. The main controller is used to receive the measurement data sent via the millimeter wave isolation module and then perform analysis and processing; the I / O interface is used as an input and output interface for the main controller to control related devices and for related devices to feedback signals to the main controller.

[0033] In this embodiment, the signal measurement system receives external measurement signals including temperature signals, pressure signals, distance signals, switch signals, etc. through the measurement signal input terminal; the measurement circuit converts the external measurement signal in the form of an analog voltage signal into a digital signal form, and then sends it to the measurement controller for further processing. In particular, the measurement controller of the signal measurement system will exchange real-time data with the main controller of the control system through the millimeter wave isolation module. Here, after receiving the data from the signal measurement system, the main controller of the control system will parse and process to obtain the control signal, and control the relevant equipment through the I / O interface output. Here, the main controller of the control system can also communicate and control the measurement controller of the signal measurement system in the reverse direction through the millimeter wave isolation module.

[0034] In some specific implementations of this embodiment, the signal measurement system further includes one or more of the following measurement devices: a temperature sensor, a pressure sensor, a distance sensor, and a switch signal sensor. Specifically, the output end of the measurement device is connected to the measurement signal input end of the signal measurement system.

[0035] Here, the measuring device is used to collect and output a measuring signal to a measuring signal input terminal, wherein the measuring signal includes one or more of a temperature signal, a pressure signal, a distance signal, a switch signal, and the like.

[0036] Please refer to Figure 2, Embodiment 2 of the present utility model is:

[0037] This embodiment is a further development of the first embodiment, and specifically further refines the millimeter wave isolation module.

[0038] The millimeter wave isolation-based measurement device provided in this embodiment, wherein the millimeter wave isolation module 200 specifically includes a first millimeter wave transceiver unit 201, a first signal input interface 202, and a first signal output interface 203; the first millimeter wave transceiver unit 201 is connected to the first signal input interface 202 and the first signal output interface 203 respectively;

[0039] The signal measurement system 101 is connected to the first signal input interface 202 ; the control system 300 is connected to the first signal output interface 203 .

[0040] In this embodiment, the measurement signal sent by the signal measurement system 102 is input to the first millimeter wave transceiver unit 201 via the first signal input interface 202. Inside the first millimeter wave transceiver unit, the transmitter isolates and transmits the measurement signal to the receiver based on the millimeter wave technology, and then outputs it to the control system 300 via the first signal output interface 203. In this way, voltage isolation and data isolation transmission between the signal measurement system and the control system are achieved.

[0041] In some specific implementations of this embodiment, Figure 3 As shown, the millimeter wave isolation module also has a full-duplex millimeter wave communication function to achieve two-way isolated communication between the signal measurement system and the control system.

[0042] In some of the above specific implementations, the millimeter wave isolation module 200 specifically includes a first millimeter wave transceiver unit 201, a second millimeter wave transceiver unit 211, a first signal input interface 202, a first signal output interface 203, a second signal input interface 213 and a second signal output interface 212.

[0043] Here, since one millimeter wave transceiver unit independently has the ability to send data and receive signals based on millimeter wave technology, the millimeter wave isolation module of this embodiment, because it is equipped with two millimeter wave transceiver units, has full-duplex millimeter wave signal transmission capability, and can realize two-way communication interaction between the signal measurement system and the control system.

[0044] Specifically, if Figure 3As shown, in this embodiment, the signal transmission and reception directions of the first millimeter wave transceiver unit 201 and the second millimeter wave transceiver unit 211 are opposite. The first millimeter wave transceiver unit 201 is connected to the first signal input interface 202 and the first signal output interface 203 respectively; the second millimeter wave transceiver unit 211 is connected to the second signal input interface 213 and the second signal output interface 212 respectively;

[0045] The signal measurement system 100 is connected to the first signal input interface 202 and the second signal output interface 212 respectively; the control system 300 is connected to the first signal output interface 203 and the second signal input interface 213 respectively.

[0046] In some of the above specific embodiments, the measurement signal emitted by the signal measurement system 100 is input into the first millimeter wave transceiver unit 201 via the first signal input interface 202. Inside the first millimeter wave transceiver unit, the transmitter will isolate and transmit the measurement signal to the receiver based on the millimeter wave technology, and then output it from the first signal output interface 203 to the control system 300. Similarly, the control signal emitted by the control system 300 is input into the second millimeter wave transceiver unit 211 via the second signal input interface 213. Inside the second millimeter wave transceiver unit, the transmitter will isolate and transmit the control signal to the receiver based on the millimeter wave technology, and then output it from the second signal output interface 212 to the signal measurement system 100.

[0047] In some other specific implementations of this embodiment, Figure 4 As shown, a millimeter wave transceiver unit specifically includes: a receiving antenna, a transmitting antenna, a receiver RX, a transmitter TX, a transmitting digital logic processor TP and a receiving digital logic processor RP; wherein the transmitting digital logic processor TP, the transmitter TX and the transmitting antenna are connected in sequence; the receiving antenna, the receiver RX and the receiving digital logic processor RP are connected in sequence; the transmitting antenna and the receiving antenna are wirelessly connected based on millimeter waves.

[0048] Optionally, the first millimeter wave transceiver unit and the second millimeter wave transceiver unit are both constructed using the above structure. Here, the internal working principle of the millimeter wave transceiver unit is as follows: after the digital signal input to the millimeter wave transceiver unit reaches the transmitting digital logic processor, the received digital signal will be packaged and converted into a serial signal, and then the transmitter will control the transmitting antenna to send it out; after the corresponding receiving antenna receives it, the receiver will send it to the receiving digital logic processor to restore it to the original digital signal and then output it.

[0049] In some specific implementations of this embodiment, the number of interfaces of the first signal input interface, the first signal output interface, the second signal input interface, and the second signal output interface are all two or more. In other words, the first millimeter wave transceiver unit and the second millimeter wave transceiver unit are both equipped with a multi-channel input interface and a multi-channel output interface to support simultaneous connection of multiple inputs or outputs.

[0050] Here, if Figure 4 As shown, in order to better distinguish the input and output interfaces of different millimeter wave transceiver units. Optionally, the first signal input interface corresponding to the first millimeter wave transceiver unit includes IN1...INn, and the first signal output interface OUT1...OUTn; the second signal input interface corresponding to the second millimeter wave transceiver unit includes FB-IN1...FB-INn, and the second signal output interface FB-OUT1...FB-OUTn.

[0051] As a preferred specific implementation of this embodiment, the millimeter wave isolation module is a millimeter wave isolation chip. Since the millimeter wave carrier antenna is relatively small, it is also convenient for integrated design. Here, the configuration of the millimeter wave isolation module as an integrated chip can not only improve the speed and efficiency of millimeter wave wireless transmission to a certain extent, so that the communication between the signal measurement system and the control system has a higher rate and higher bandwidth; but also can simplify the connection between the signal measurement system and the control system and the millimeter wave isolation module, and at the same time can also simplify the volume of the measuring device and improve its stability.

[0052] See also Figure 5 , Embodiment 3 of the present utility model is:

[0053] This embodiment is based on the above-mentioned embodiment 1 or embodiment 2 and provides a specific application scenario:

[0054] like Figure 5 As shown, the temperature sensor connected to one of the measurement channels (such as measurement channel 1) at the measurement signal input end converts the temperature value into a digital signal through the measurement circuit ADC of the signal measurement system, and then the measurement controller of the signal measurement system sends it to the millimeter wave isolation chip for packaging processing, and TX1 sends it to RX1, and then sends it to the main controller of the control system after unpacking to control the relevant equipment through the I / O port output.

[0055] Similarly, the main controller of the control system can also communicate and control the measurement controller of the signal measurement system through FB-IN via TX2 to RX2 of the millimeter wave isolation chip.

[0056] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A measurement device based on millimeter wave isolation, characterized in that: include: Signal measurement system, control system and millimeter wave isolation module; The signal measurement system and the control system are respectively connected to the millimeter wave isolation module; The millimeter wave isolation module includes a first millimeter wave transceiver unit, a first signal input interface and a first signal output interface; the first millimeter wave transceiver unit is connected to the first signal input interface and the first signal output interface respectively; The signal measurement system is connected to the first signal input interface; the control system is connected to the first signal output interface.

2. The millimeter wave isolation-based measurement device according to claim 1, characterized in that: The signal measurement system comprises a measurement signal input terminal, a measurement circuit and a measurement controller; the measurement signal input terminal, the measurement circuit and the measurement controller are connected in sequence; and the measurement controller is also connected to the millimeter wave isolation module.

3. The millimeter wave isolation-based measurement device according to claim 2, characterized in that: The measuring circuit includes one or more digital-to-analog converters ADC.

4. The millimeter wave isolation-based measurement device according to claim 1, characterized in that: The control system includes a main controller and an I / O interface; the main controller is connected to the I / O interface and the millimeter wave isolation module respectively.

5. The millimeter wave isolation-based measurement device according to claim 1, characterized in that: The millimeter wave isolation module also includes a second millimeter wave transceiver unit, a second signal input interface and a second signal output interface; the signal transceiver directions of the first millimeter wave transceiver unit and the second millimeter wave transceiver unit are opposite; the second millimeter wave transceiver unit is connected to the second signal input interface and the second signal output interface respectively; The signal measurement system is also connected to the second signal output interface; the control system is also connected to the second signal input interface.

6. The millimeter wave isolation-based measurement device according to claim 1, characterized in that: The first millimeter wave transceiver unit includes a receiving antenna, a transmitting antenna, a receiver, a transmitter, a transmitting digital logic processor and a receiving digital logic processor; the transmitting digital logic processor, the transmitter and the transmitting antenna are connected in sequence; the receiving antenna, the receiver and the receiving digital logic processor are connected in sequence; the transmitting antenna and the receiving antenna are wirelessly connected based on millimeter waves.

7. The millimeter wave isolation-based measurement device according to claim 5, characterized in that: The number of interfaces of the first signal input interface, the first signal output interface, the second signal input interface and the second signal output interface are all more than two.

8. The millimeter wave isolation-based measurement device according to any one of claims 1 to 7, characterized in that: The millimeter wave isolation module is a millimeter wave isolation chip.

9. The millimeter wave isolation-based measurement device according to claim 1, characterized in that: The signal measurement system includes one or more of the following measurement devices: a temperature sensor, a pressure sensor, a distance sensor, and a switch signal sensor.

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