JP2022527419A - Underground tools, signal transmission systems and signal transmission methods - Google Patents

Abstract

The present invention discloses underground tools, signal transmission systems and signal transmission methods. The underground tool includes an underground tool main body, a circuit storage unit, and a first signal transmission module. The circuit storage unit is provided in the underground tool main body, and a plurality of circuit modules are provided in the circuit storage unit to transmit a first signal. The module is provided in the main body of the underground tool, the circuit module is electrically connected to the first signal transmission module, and the first signal transmission module is used to communicate and connect with the second signal transmission module. Then, the second signal transmission module conforms to the first signal transmission module, at least one circuit module includes a first carrier communication control unit, and the circuit module receives or transmits a communication signal by the first carrier communication control unit. can do. Underground tools ensure sealing in harsh underground environments, protect circuit modules from damage, and use inductively coupled power transfer and carrier communication techniques to quickly establish connections to the outside world, circuit modules. You can perform operations such as upgrading the program configuration and uploading data to the device. [Selection diagram] Fig. 3

Description

The present invention belongs to the field of electrical signal and communication signal transmission technology, and relates to non-contact power and communication signal transmission technology, specifically, underground tools, signal transmission systems and signal transmission methods.

Underground tools have many built-in circuit boards to achieve the corresponding functions. The circuit board usually has its own processor, such as an ARM, FPGA, or single-chip processor. The program on each processor must always be connected to the processor during the process of using underground tools, testing, data analysis, etc., upgrading and downloading the program or extracting the data stored on the circuit board. It may be analyzed or the operating status of the processor may be investigated in real time during the test process.

A common method is to open the outer wall of the device corresponding to the circuit board and connect the program download interface, communication interface, etc. of the processor to the outside. For underground tools that are already compact in some dimensions, some circuit boards cannot even be connected to the outside by means such as opening into the outer wall due to dimensional restrictions, and underground tools. There is no choice but to perform the related debugging operation after disassembling. All of the above methods of opening to the outer wall correspond to one opening for one circuit board / processor. There is a high requirement to open to the outer wall of the instrument, the circuit board in the underground tool has already thinned the outer wall of the tool, and if one hole is made for each circuit board for program upgrades and data uploads. Pulling out electrical connections can further reduce the reliability of the tool. In addition, a large amount of dust, slurry and liquid are present in the underground environment, and in such a work situation, the sealing property of the underground tool is required. Very low on-site practicality, which reduces the reliability of underground tools and greatly affects the service life of the tools. Also, some circuit boards / processors cannot be externally connected in this way if the number of holes does not meet the requirements.

Therefore, for the time being, we will develop a new type of underground tool, and a system and method for transmitting power and communication signals using this new type of underground tool, to overcome and improve one or more of the above-mentioned drawbacks in the prior art. Or at least provide an effective and selectable method.

The above contents belong to the category of the inventor's technical recognition, and do not necessarily structure the prior art.

One object of the present invention is to provide underground tools, signal transmission systems and signal transmission methods to at least solve or mitigate one or more technical problems in the prior art, or at least provide useful choices. To provide.

In order to achieve the above object, in the first aspect of the embodiment of the present invention, an underground tool including an underground tool main body, a circuit storage unit and a first signal transmission module is provided, and the circuit storage unit is provided in the underground tool main body. A plurality of circuit modules are provided in the circuit housing, the first signal transmission module is provided in the main body of the underground tool, the circuit module is electrically connected to the first signal transmission module, and the first signal transmission is performed. The module is used to communicate and connect with the second signal transmission module, where the second signal transmission module is compatible with the first signal transmission module and at least one circuit module is a circuit module. It includes a first carrier communication control unit that enables reception or transmission of communication signals corresponding to the module.

By providing a first signal transmission module in the main body of the underground tool and connecting all the circuit modules in the underground tool to the first signal transmission module, all the circuit modules in the underground tool are connected to the outside via the first signal transmission module. The conventional underground tool can solve the problem that each circuit module needs to have a connection port on the outer wall for data extraction and program download to the internal processor, and the underground tool is dusty. Extends the service life of underground tools by ensuring the sealing and practicality of operation in slurry and liquid environments. By providing the first carrier communication control unit in the circuit module, it is possible to easily, quickly and uniquely find a circuit module that requires communication with the outside in many circuit modules, and to improve the speed and reliability of the communication connection. Can be improved.

In one embodiment of the underground tool, the underground tool body is provided with a mounting hole for mounting the first signal transmission module. Preferably, the underground tool body is provided with mounting holes that facilitate mounting of the first signal transmission module.

In one embodiment of the underground tool, the first signal transmission module is an outlet, the outlet comprises a first magnetic core and a first winding, the first magnetic core is mounted in a mounting hole, and the first winding is. It is wound around the inner wall or surface of the first magnetic core, and the secondary winding is formed by the first magnetic core and the first winding. By installing the first magnetic core and the second winding, the first signal transmission module realizes the transmission and reception of electric signals and communication signals by utilizing the power transmission technology and carrier communication technology by inductive coupling, and the inside of the underground tool. In addition to supplying power to the circuit module of, it is possible to realize operations such as configuration to the circuit module, program upgrade, and data upload.

In one embodiment of the underground tool, the outlet is provided with a connecting member, and the connecting member on the outlet is provided at a position of the outlet protruding from the main body of the underground tool. By installing a connecting member, the plug can be connected to the outside more strongly and more conveniently.

Preferably, the connecting member may be, for example, a female thread connecting member or a fastener. By installing a female screw connection member or fastener on the outlet, the connection between the outlet and the outside is facilitated, the accuracy of the alignment between the first magnetic core and the first coil in the outlet and the external device is ensured, and the first 1 The signal transmission module ensures that electric signals and communication signals are received and transmitted accurately and effectively.

In one embodiment of the underground tool, the underground tool further comprises a power reception control unit, the power reception control unit having one end electrically connected to the first signal transmission module and the other end electrically connected to the circuit module. The power reception control unit is used to control the reception of electrical signals. The power received by the first signal transmission module is subjected to processing such as energy reinforcement, power filtering and stabilization by the power reception control unit, so that the transmitted power can be supplied to each circuit module. To operate normally.

In one embodiment of the underground tool, the circuit housing is cylindrical, surrounding the main body of the underground tool, and the circuit housing is provided with several mounting grooves for mounting the circuit module. The installation of mounting grooves allows each circuit module to be separated, allowing various circuit modules to be better placed and mounted within the body of the underground tool.

To achieve the above object, a second aspect of an embodiment of the present invention provides a signal transmission system including a signal processing device and a terminal device, the signal processing device using the underground tool described in any of the above. Including, the signal processing device comprises a second signal transmission module and a control module, the second signal transmission module for non-contact connection with the first signal transmission module to transmit electrical and / or communication signals. Used, the control module is electrically connected to the second signal transmission module, a second carrier communication control unit is provided inside the control module, and the control module receives the communication signal transmitted from the terminal device. The second carrier communication control unit is determined based on the communication signal, and the signal transmission channel of the second carrier communication control unit is configured as a predetermined carrier communication channel corresponding to the circuit module. Transmits a communication signal to a first carrier communication control unit corresponding to the circuit module according to a predetermined carrier communication channel.

A second signal transmission module is provided in the signal processing device to be configured to fit the first signal transmission module in the underground tool, and the signal is transmitted by transmitting an electric signal and / or a communication signal by a non-contact connection. The transmission device will be able to connect to underground tools. By providing a control unit provided with a second carrier communication control unit that can communicate with and connect to the first carrier communication control unit, in many circuit modules, a circuit module that requires communication with a signal transmission device can be easily and quickly provided. , And it can be found only, and operations such as data extraction and program download can be performed on this circuit module. Conventional underground tools solve the problem that data transfer, configuration, etc. can be performed on the internal circuit module only after an interface is opened on the outer wall or disassembled, and signal transmission with the terminal device. The device and the underground tool can be easily and easily connected.

In one embodiment of the signal transmission system, the second signal transmission module is a plug comprising a second core and a second winding, the second core is attached to the plug, and the second winding is of the second core. Wrapped around the outer wall or bottom, the second magnetic core and the second winding form a primary winding, and the secondary and primary windings in the underground tool are electromagnetically coupled to form a non-outlet and plug. Achieves contact electrical and / or communication signal connections.

The second signal transmission module is provided as a plug and can be easily inserted into the outlet to realize the connection, and the second magnetic core and the second winding can be fitted with the first signal transmission module. By utilizing the power transmission technology and carrier communication technology by inductive coupling to realize the transmission and reception of electric signals and communication signals, power is supplied to the circuit module inside the underground tool, and the configuration to the circuit module, Achieve operations such as program upgrades and data uploads.

In one embodiment of the signal transmission system, the first winding is three-dimensionally wound around the inner wall of the first magnetic core, and the second winding is three-dimensionally wound around the outer wall of the second magnetic core, or the first. The winding is wound in a plane around the surface of the first magnetic core, and the second winding is wound in a plane around the bottom surface of the second magnetic core. The first signal transmission module and the second signal transmission module adopt different formats to facilitate the reception and transmission of electrical and communication signals, depending on the design needs and the size of the internal dimensions of the underground tools. can do.

In one embodiment of the signal transmission system, the first winding coincides with the number of turns of the second winding.

In one embodiment of the signal transmission system, a connecting member is provided on one of both the outlet and the plug, and a joining member is provided on the other, and the connecting member and the joining member are combined to connect the outlet and the plug. Here, the connecting member or joining member on the outlet is provided at a position of the outlet protruding from the main body of the underground tool. By installing connecting and joining members on the outlet and the plug, respectively, the plug can be inserted into the outlet more strongly and conveniently, and the alignment of the plug and the outlet is ensured to be accurate.

Preferably, the connecting member is a female thread connecting member and the joining member is a male thread connecting member. Alternatively, the connecting member is a female screw connecting member, and the joining member is a male screw connecting member. The fitting of the female thread connecting member and the male thread connecting member or the fitting of the fastener and the engaging groove can ensure that the alignment of the plug and the outlet is accurate, and further, the first signal transmission. It is possible to ensure the accuracy of the alignment between the module and the second signal transmission module, and to ensure that the electric signal and the communication signal are received and transmitted accurately and effectively.

In one embodiment of a signal transmission system, the signal processing device further comprises a power transmission control unit that controls the transmission of electrical signals. The power transmission control unit can reversely convert power into high-frequency alternating current to generate a high-frequency alternating magnetic field, which causes an electrical signal from the primary winding to the secondary through a transmission medium (air, water, oil, etc.). It is transmitted directly to the winding.

In order to achieve the above object, the third aspect of the embodiment of the present invention provides a signal transmission method applied to any one of the above signal transmission systems. Here, this method is a step in which the control module receives a communication signal transmitted from the terminal device and determines a circuit module corresponding to the communication signal based on the communication signal, and the control module is a second carrier communication control unit. The step of configuring the communication signal transmission channel of the above as a predetermined carrier communication channel corresponding to the circuit module, and the second carrier communication control unit so that the second signal transmission module transmits a communication signal to the first signal transmission module. , A step of transmitting a communication signal to the second signal transmission module according to a predetermined carrier communication channel, and a step of transmitting the communication signal to the first carrier communication control unit corresponding to the predetermined carrier communication channel. , The first carrier communication control unit includes a step of receiving a communication signal and forming a circuit module corresponding to the first carrier communication control unit based on the communication signal.

By utilizing power transmission technology and carrier communication technology by inductive coupling to realize the connection of internal circuit modules of terminal equipment, signal transmission equipment and underground tools, and designing the operation flow and packet protocol, it is different to different circuit modules. A communication channel is assigned, and the first carrier communication control unit controls data packet transmission in cooperation with the second carrier communication control unit, and is configured in the circuit module on the premise that it does not affect the normal operation of each circuit module. Program upgrades and data uploads can be done quickly.

In one embodiment of the signal transmission system, the signal transmission method further comprises setting a predetermined carrier communication channel of the first carrier communication control unit. The target circuit module of the communication signal is distinguished by setting a predetermined carrier communication channel of the first carrier communication control unit.

In one embodiment of the signal transmission system, the signal transmission method further comprises a step of the circuit module transmitting the transparent transmission data packet to the control module and the control module uploading the transparent transmission data packet to the terminal device. And / or, a signal transmission method further comprising a step of receiving a transparent transmission data packet transmitted from the terminal device by the control module and a step of transmitting the transparent transmission data packet to the circuit module by the control module. After the circuit module establishes the connection with the terminal device, the transparent transmission data packet is designed to transmit the data packet at the highest speed.

The drawings described herein are used to provide a further understanding of the invention and become part of the invention, and the schematic examples and sono description of the invention are used to interpret the invention. , The present invention is not inappropriately limited.

It is a schematic diagram which shows the structure of the underground tool in one Example of this invention. It is a schematic diagram which shows another structure of the underground tool in one Example of this invention. It is a schematic diagram which shows the structure of the 2nd signal transmission module in the underground tool in one Embodiment of this invention. It is a figure which shows another structure of the 2nd signal transmission module in the underground tool in one Embodiment of this invention. It is a figure which shows the structure of the signal transmission system in one Embodiment of this invention. It is a figure which shows the flow of the signal transmission method in one Embodiment of this invention schematically. It is a figure which shows schematic structure of the data packet in the signal transmission method in one Embodiment of this invention.

Hereinafter, only some exemplary examples will be briefly described. As will be appreciated by those skilled in the art, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, it is determined that the drawings and description are exemplary in nature and are not limiting.

First, the technical concept of the technical proposal disclosed in the present invention will be described. Underground tools have many built-in circuit boards to achieve the corresponding functions. Circuit boards usually have their own processor. In the process of using underground tools, testing, data analysis, etc., it is always necessary to connect external equipment to the circuit board, and the data stored on the circuit board can be extracted and analyzed, or a program on the processor can be configured. And update. A common practice is to make a hole in the outer wall of the underground tool so that one circuit board or processor corresponds to one opening, which connects the processor's program download interface, communication interface, etc. to the outside. This method is highly required to open to the outer wall of the equipment, and all the external interfaces are electrical connection interfaces, which cannot be used in dust, slurry, or underwater, and are not practical in the field. In addition, for underground tools whose dimensions are already compact, some circuit boards cannot be connected to the outside by means such as opening to the outer wall due to the limitation of dimensions, and they cannot be connected to the outside. There is no choice but to do the relevant debugging behavior after disassembling the tool.

The present invention provides underground tools, signal transmission systems and methods in view of the above problems in the prior art. Hereinafter, the present invention will be described with reference to the drawings.

The specific technical solutions are as follows.

As shown in FIG. 1, in one embodiment of the present embodiment, the underground tool 10 including the underground tool main body 11, the circuit storage unit 12, and the first signal transmission module 13 is provided, and the circuit storage unit 12 provides the underground tool main body 11. A plurality of circuit modules 121 are provided in the circuit accommodating portion 12, the first signal transmission module 11 is provided in the underground tool main body 11, and the circuit module 121 is provided with the first signal transmission module 13 and electricity. The first signal transmission module 13 is used to communicate with and connect to the second signal transmission module 21, where the second signal transmission module 21 is compatible with the first signal transmission module 13. The at least one circuit module 121 includes a first carrier communication control unit 122 that allows the circuit module 121 to receive or transmit a communication signal corresponding to the circuit module 121.

In this embodiment, it can be understood that the first signal transmission module 13 is a signal transmission module provided inside the underground tool main body 11, and the first communication module is inside the underground tool main body 11. Since the second communication module can communicate with the external terminal device 30, the circuit module 121 inside the underground tool body 11 and the external terminal device 30 do not have to open to the underground tool body 11. It is possible to achieve the purpose of realizing communication, and in the prior art, it is necessary to provide a communication opening in the underground tool main body 11 corresponding to the circuit module 121 in order to attach the communication cable, whereas in the plurality of circuit modules 121 It is necessary to provide a plurality of communication openings, and it is clear that the underground tool 10 of the present application does not need to be provided with a communication opening, and the underground tool 10 is highly reliable in use and has a long service life.

In the underground tool 10 of this embodiment, the first signal transmission module 13 can be provided in the underground tool main body 11, for example, the first signal transmission module 13 can be provided inside the underground tool 10, and the circuit module 121 in the underground tool 10 can be provided. All the circuit modules 121 in the underground tool are connected to the external terminal device 30 via the first signal transmission module 13 and the corresponding second signal transmission module 21 by connecting all to the first signal transmission module 13. be able to. The second signal transmission module 21 is a module provided outside the underground tool main body 11, and can be connected to an external terminal device 30 such as a host computer. The conventional underground tool 10 solves the problem that each circuit module 121 needs to be provided with a connection port on the outer wall for data extraction and program download to the processor inside the circuit module 121, and the underground tool is dust and slurry. Guarantees the sealing and practicality of operation in liquid and liquid environments and extends the life of underground tools. By providing the first carrier communication control unit 122 in the circuit module 121, it is possible to easily, quickly and uniquely find the circuit module 121 that requires communication with the outside in many circuit modules 121, and the speed of the communication connection. And reliability can be improved.

In one embodiment, as shown in FIG. 2, in order to easily mount the first communication module, the underground tool main body 11 is provided with a mounting hole 111 for mounting the first signal transmission module 13. The first signal transmission module 13 can be attached to the side wall of the underground tool main body 11, but in this way, the requirement for the material of the side wall of the underground tool main body 11 is high. Therefore, as a preferred embodiment, the underground tool main body 11 is provided with a mounting hole 111 for mounting the first signal transmission module 13, whereby not only the first signal transmission module 13 can be easily mounted, but also the first signal transmission module 13 can be easily mounted. You can also reduce costs. The mounting holes 111 can be isolated from the fluid and the circuit module 121 inside the underground tool 10 can be protected from external dust, slurry or liquid. The underground tool 10 according to the present embodiment only needs to be provided with a mounting hole 111 in the underground tool main body 11, and the mounting hole 111 can mount the first communication module, and the inside of the underground tool 10 is provided by the first communication module. The plurality of circuit modules 121 can communicate with the external terminal device 30, and conventionally, an external interface is directly provided on the underground tool main body 11, and moreover, a plurality of external interfaces are provided on the underground tool 10 for the plurality of circuit modules 121. As a result, the circuit module 121 inside the underground tool 10 is easily invaded by substances such as the underground slurry in the operation process, and the practicality is very low, and the underground tool 10 is damaged or inside. Problems such as damage to the circuit module 121 and shortened service life are likely to occur.

In one embodiment, the first signal transmission module 13 is an outlet, the outlet comprising a first magnetic core and a first winding, the first magnetic core being mounted in the mounting hole 111, and the first winding being the first. Wrapped around the inner wall or surface of the magnetic core, the first magnetic core and the first winding form a secondary winding.

As the specific structure of the first signal transmission module 13, one of the following embodiments can be adopted.

Embodiment 1: The first winding is three-dimensionally wound around the side wall of the first magnetic core.

Embodiment 2: The first winding is wound in a plane around the surface of the first magnetic core.

If necessary in design, the first signal transmission module 13 may adopt another structure or format as long as it can easily transmit and receive electric signals and communication signals.

In one embodiment, the underground tool 10 further comprises a power reception control unit 14, one end of which is electrically connected to the first signal transmission module 13 and the other end of which is electrically connected to the circuit module 121. The power reception control unit 14 is connected to the power reception control unit 14 and is used to control the reception of electric signals.

The power reception control unit 14 may include elements such as a secondary side resonance compensation circuit, a power conversion circuit, a signal modulation / demodulation link, and a controller. The power received by the secondary winding enhances energy transmission through the resonance compensation circuit, performs processing such as power filtering stabilization through the power conversion link, and transmits the last processed power to each circuit module 121. And make it work normally.

In one embodiment, the circuit accommodating portion 12 has a cylindrical shape, surrounds the underground tool body 11, and is provided with a plurality of mounting grooves used for mounting the circuit module 121 in the circuit accommodating portion 12. Each circuit module 121 can be separated by the installation of the mounting groove, and various circuit modules 121 are better arranged and mounted in the underground tool main body 11.

A second aspect of an embodiment of the invention provides a signal transmission system, comprising a signal processing device 20 and a terminal device 30, further comprising an underground tool 10 according to any one of the above, as shown in FIG. The signal processing device 20 includes a second signal transmission module 21 and a control module 22, and the second signal transmission module 21 is non-contactly connected to the first signal transmission module 13 to transmit an electric signal and / or a communication signal. The control module 22 is electrically connected to the second signal transmission module 21, a second carrier communication control unit 221 is provided in the control module 22, and the control module 22 is connected to the terminal device 30. The transmitted communication signal is received, the circuit module 121 corresponding to the circuit module 121 is determined based on the communication signal, and the signal transmission channel of the second carrier communication control unit 221 is set to a predetermined carrier communication channel corresponding to the circuit module 121. The second carrier communication control unit 221 transmits a communication signal to the first carrier communication control unit 122 corresponding to the circuit module 121 according to a predetermined carrier communication channel.

By providing the second signal transmission module 21 in the signal processing device 20, it is configured to be compatible with the first signal transmission module 13 in the underground tool, and an electric signal and / or a communication signal is transmitted by a non-contact connection. Then, the signal processing device 20 can be connected to the underground tool 10. By providing the control unit 22 provided with the second carrier communication control unit 221 that can communicate with and connect to the first carrier communication control unit 122, many circuit modules 121 require communication with the signal processing device 20. The module 121 can be easily, quickly, and uniquely found, and operations such as data extraction and program download can be performed on the circuit module 121. The conventional underground tool solves the problem that data transfer, arrangement, etc. cannot be performed on the internal circuit module 121 without opening an interface on the outer wall or disassembling it, and the terminal device 30 and the signal are used. The processing device 20 and the underground tool 10 can be easily and easily connected.

In one embodiment, the second signal transmission module 21 is a plug including a second magnetic core 211 and a second winding 212, the second magnetic core 211 is attached to the plug, and the second winding 212 is the second magnetic core. Wrapped around the outer wall or bottom of the 211, the second magnetic core 211 and the second winding 212 form a primary winding, and the secondary and primary windings in the underground tool 10 are electromagnetically coupled to the outlet. Provides a non-contact electrical and / or communication signal connection between the and the plug.

The second signal transmission module 21 is provided as a plug and can be easily inserted into an outlet to realize a connection, and the second magnetic core 211 and the second winding 212 are fitted with the first signal transmission module 13. It is provided so that it can be combined, and it realizes transmission and reception of electric signals and communication signals by utilizing power transmission technology and carrier communication technology by inductive coupling, and supplies power to the circuit module 121 inside the underground tool 10 and at the same time. It realizes operations such as configuration to the circuit module 121, program upgrade, and data upload.

As the specific structure of the first signal transmission module 13 and the second signal transmission module 21, one of the following embodiments can be used.

Example 1: The first winding is three-dimensionally wound around the inner wall surface of the first magnetic core, and as shown in FIG. 3, the second winding 212 is three-dimensionally wound around the outer wall of the second magnetic core 211.

Example 2: The first winding is wound in a plane around the surface of the first magnetic core, and as shown in FIG. 4, the second winding 212 is wound in a plane around the bottom surface of the second magnetic core 211.

As can be understood, the first signal transmission module 13 and the second signal transmission module 21 adopt other structures or formats as long as they can easily transmit and receive electric signals and communication signals, as required by design. You can also do it.

In one embodiment, the first winding corresponds to the number of turns of the second winding 212.

In one embodiment, a connecting member is provided on one of both the outlet and the plug, and a joining member is provided on the other, and the connecting member and the joining member are combined to connect the outlet and the plug. Here, the connecting member or the joining member on the outlet is provided at a position of the outlet protruding from the underground tool main body 11. By installing connecting and joining members on the outlet and the plug, respectively, the plug can be inserted into the outlet more strongly and conveniently, and the alignment of the plug and the outlet is ensured to be accurate.

In a preferred embodiment, the specific structure of the connecting member may adopt any one of the following embodiments.

Embodiment 1: A female screw connecting member is adopted as the connecting member, and the joining member is a male screw connecting member.

Embodiment 2: The connecting member employs a fastener, and the joining member is an engaging groove.

Embodiment 3: A magnetic attraction member is provided inside the connecting member, and a magnet or the like suitable for the magnetic attraction member is provided as the joining member.

As you can understand, if necessary in the design, the connection between the outlet and the external device is convenient, the first signal transmission module 13 inside the outlet and the external device are accurately aligned, and the electric signal or communication. Other structures and types may be adopted for the connecting member as long as it can be ensured that the signal can be transmitted and received effectively.

The combination of the female thread connection member and the male thread connection member or the combination of the fastener and the engagement groove can ensure that the position of the plug and the outlet is accurate, and further, the first signal transmission module 13 It is possible to ensure the accuracy of the alignment between the and the second signal transmission module 21 and to ensure that the electric signal or the communication signal is received and transmitted accurately and effectively.

As you can understand, the connection between the plug and the outlet can be easily realized as needed in the design, the accuracy of the alignment between the first signal transmission module 13 and the second signal transmission module 21 is ensured, and the electricity. As long as the signal or communication signal can be effectively transmitted, the connecting member and the joining member may adopt other structures or types.

In one embodiment, the plug is irregularly shaped and the outlet is irregularly shaped to fit the plug. By making the outlet and plug into an irregular shape that fits each other, it is possible to further ensure the robustness of insertion and the accuracy of alignment between windings, and to ensure smooth power transmission and reception of communication signals. can.

In one embodiment, the signal processing device 20 further comprises a power transmission control unit 222 that controls the transmission of electrical signals.

The power transmission control unit 222 may include elements such as a high frequency power conversion and control module 22, a primary side tuning compensation circuit, a signal modulation and demodulation member, and a controller. Electric power is converted back to high-frequency alternating current via a high-frequency inverter, a high-frequency alternating magnetic field is generated in the transmission mechanism by a compensation circuit, and the alternating magnetic field is transmitted from the primary winding to the secondary via a transmission medium (air, water, oil, etc.). It is transmitted directly to the winding. The controller in the power transmission control unit 222 can control the primary side tuning compensation circuit in response to a command from the host computer to realize channel setting and switching. Of these, the primary winding and the secondary winding are named based on the feeding direction.

In the third aspect of the embodiment of the present invention, as shown in FIG. 6, a signal transmission method applied to any one of the above signal transmission systems is provided. Here, this method includes a step in which the control module 22 receives a communication signal transmitted from the terminal device 30 and determines a circuit module 121 corresponding to the communication signal based on the communication signal, and the control module 22 is the second. In the step of configuring the communication signal transmission channel of the carrier communication control unit 221 as a predetermined carrier communication channel corresponding to the circuit module 121, and in the second carrier communication control unit 221, the second signal transmission module 21 is the first signal transmission module. A step of transmitting a communication signal to the second signal transmission module 21 according to a predetermined carrier communication channel so that the communication signal is transmitted to 13, and the first signal transmission module 13 is a first carrier corresponding to the predetermined carrier communication channel. A step of transmitting a communication signal to the communication control unit 122, and the first carrier communication control unit 122 receives the communication signal and constitutes a circuit module 121 corresponding to the first carrier communication control unit 122 based on the communication signal. Including steps.

It depends on the connection of the internal circuit module 121 of the terminal device 30, the signal processing device 20 and the underground tool 10 by utilizing the power transmission technology and the carrier communication technology by inductive coupling, and designing the operation flow and the packet protocol. It is assumed that different communication channels are assigned to the circuit module 121, the first carrier communication control unit 122 controls data packet transmission in cooperation with the second carrier communication control unit 221 and does not affect the normal operation of each circuit module 121. This allows you to quickly configure, upgrade programs, and upload data to circuit module 121.

In one embodiment, the signal transmission method further comprises the step of setting a predetermined carrier communication channel of the first carrier communication control unit 122. The target circuit module 121 of the communication signal is distinguished by setting a predetermined carrier communication channel of the first carrier communication control unit 122.

In one embodiment, the signal transmission method further comprises a step in which the circuit module 121 transmits a transparent transmission data packet to the control module 22 and the control module 22 uploads the transparent transmission data packet to the terminal device 30. , And / or, a signal transmission method further comprising a step of receiving the transparent transmission data packet transmitted from the terminal device 30 by the control module 22 and a step of transmitting the transparent transmission data packet to the circuit module 121 by the control module 22. Is. After the circuit module 121 establishes a connection with the terminal device 30, the transparent transmission data packet is designed to transmit the data packet at the highest speed.

In order to facilitate the understanding of the present invention, the above-mentioned underground tools, signal transmission systems, and signal transmission methods will be described in more detail below.

The underground tool 10 and the signal transmission system as an example of the present embodiment provide a mounting hole 111 on the outer wall of the underground tool 10 by utilizing the power transmission technique and the carrier communication technique by inductive coupling, and the mounting hole 111 is the first. It is used to attach the signal transmission module 13. The first signal transmission module 13 is an outlet. The signal processing device 20 of the signal transmission system is provided with a second signal transmission module 21, the second signal transmission module 21 is a plug, the plug can be adjusted to the size of the outlet, and the plug can be fixed to the outlet. can.

The primary winding inside the plug is connected to the external control module 22 via a cable, and inside the control module 22, there are two units, a power transmission control unit 222 and a second carrier communication control unit 221. .. The control module 22 further has two interfaces, one is a power supply interface that is the power supply for the control module 22 and the underground tool circuit, and the other is a communication interface, which is a serial port or a USB interface. , Can be connected to the terminal device 30. The terminal device 30 may be provided with a second carrier communication control unit 221 inside the control module 22, and may have functions such as arranging the circuit module 121 inside the underground tool, reading data, and program upgrade. The software that can be used is installed as a set. The second carrier communication control unit 221 can adjust the carrier communication channel under the control of the terminal device 30. The carrier communication channel can be controlled by adjusting the frequency, and can also be controlled by other methods such as phase adjustment.

An annular winding composed of a first magnetic core and a first winding is provided as a secondary winding in the outlet of the underground tool 10, and a second magnetic core 211 and a second magnetic core are also provided in the plug of the signal processing device 20. An annular winding composed of two windings 212 is provided as a primary winding, and the number of turns of the first winding and the second winding 212 are the same.

The secondary winding is connected to the power reception control unit 14, which supplies power to each circuit module 121 in the underground tool. Once power is supplied to the power reception control unit 14 via inductively coupled windings, power is supplied to all circuit modules 121. The power reception control unit 14 has another interface connected to the circuit module 121 in the underground tool body 11, and this interface transmits a waveform in the induction winding, which is a waveform having a modulated signal.

Each circuit module 121 is provided with a first carrier communication control unit 122 for performing signal modulation and demodulation. The signal modulation / demodulation channel of the first carrier communication control unit 122 that matches each circuit module 121 is unique for distinguishing the target circuit module 121 of the signal. The first carrier communication control unit 122 is in addition to the modulation / demodulation of the signal. It can be converted into a signal that can be connected to the processor inside the circuit module 121 (including transmission port type and data packet structure, etc.), and this connection interface is a serial port, SPI, CAN, I2C, etc.

The processor inside the circuit module 121 is a single chip processor, an ARM chip or an FPGA chip and supports IAP (In-Application Programming), that is, the processor acquires new code in the system and reprograms it by itself. be able to. There is a communication connection relationship between the circuit modules 121, and immediately after the power is turned on, each circuit module 121 is executed according to a preset program, and communication connection is established with each other.

The first carrier communication control unit 122 mounted on each circuit module 121 corresponds to being connected to the same bus. Different modulation features provide addressing to different circuit modules 121.

Illustratively, the data packet in the signal transmission method of the present embodiment is as shown in FIG.

TYPE is a data packet type, LEN is a MESSAGE length, MESSAGE is the content of a data packet, and the content of MESSAGE differs depending on the value of TYPE.

When the TYPE value is A, it indicates that the data packet is a transparent transmission data packet, and after receiving the data packet, the control module 22 directly transfers the data packet and does not perform analysis processing.

When the TYPE value is B, it indicates that the data packet is a configuration data packet, and after receiving the data packet, the control module 22 needs to analyze the contents in the MESSAGE and configure the corresponding part of the control module 22.

All packets transmitted and transmitted from the underground tool 10 to the terminal device 30 are transparent transmission data packets of TYPE = A. After receiving the control module 22, the control module 22 is directly transferred to the terminal device 30.

The operating procedure of the non-contact power and communication signal transmission method in the example of this embodiment is as follows.

1. Allocate a designated carrier communication channel to the circuit module 121 inside the underground tool main body 11. For example, the circuit module 1 is assigned to Channel 1, the circuit module 2 is assigned to lChannel 2, and so on. Canneli is assigned to. These channel assignments are arranged prior to assembly, and the terminal device 30 is aware of this allocation status.

2. The control module 22 is connected to the power feeding member, and the control module 22 is connected to the terminal device 30.

3. Poll all circuit modules 121 to see if they can all be connected.

When the terminal device 30 transmits the polling command, the polling command performs the following steps at the time interval T1.

1) The terminal device 30 transmits a configuration data packet, the control module 22 is configured as a channel, and the second carrier communication control unit 221 is configured as a corresponding communication channel according to the selected circuit module 121. .. When the configuration operation is completed, the first carrier communication control unit 122 transmits a configuration completion notification packet to the terminal device 30. Upon receiving, the terminal device 30 urges the user to proceed to the next step. If the configuration is not completed within T2 (10ms-60ms), the configuration error alarm ERROR1 is urged. Contact the next circuit module 121 directly.

2) If the terminal device 30 transmits an inquiry online packet (transparent transmission data packet), waits for T3 hours, and does not receive an online reply packet within T3 hours, it is considered that communication with the corresponding circuit module 121 is lost. The terminal device 30 issues an alarm for ERROR2.

3) When the online reply packet is received within T2 hours, the process proceeds to the next online inquiry step of the circuit module 121, that is, i + 1 and returns to step 1).

From the point of view of the circuit module 121, all the circuit modules 121 have two modes, an operation mode and a standby mode. After turning on the power, first enter the operation mode. When the inquiry online packet (transparent transmission data packet) from the terminal device 30 is received, the standby mode is entered and the online reply packet (lanceable transmission data packet) is transmitted to the terminal device 30.

If all circuit modules 121 can be connected after polling, proceed to the next step.

4. Select the target of operation, that is, the circuit module 121 of any of the underground tools 10. The terminal device 30 transmits a configuration data packet, the control module 22 is configured as a channel, and the second carrier communication control unit 221 is configured as a corresponding communication channel according to the selected circuit module 121. For example, if the selected circuit module 121 is number a, the carrier communication channel is configured as Channel. When the configuration operation is completed, the first carrier communication control unit 122 transmits a configuration completion notification packet to the terminal device 30. Upon receiving, the terminal device 30 urges the user to proceed to the next step. If the configuration is not completed within T2 (10ms-60ms), the configuration error alarm ERROR1 is urged.

5. Send different data packets depending on the type of operation. (All data packets in this step are transparent transmission data packets)

1) Read the log data according to the following procedure.

The read request is started and the terminal device 30 transmits to the circuit module 121.

The entire length of the data is uploaded, and the circuit module 121 transmits it to the terminal device 30.

The request for length read and position read is started, and the terminal device 30 transmits to the circuit module 121.

The data packetization status is uploaded, and the circuit module 121 transmits it to the terminal device 30.

The read confirmation request is started, and the terminal device 30 transmits to the circuit module 121.

Packet the transmission data.

2) Configure the parameters according to the following procedure.

The configuration command is started and the terminal device 30 transmits to the circuit module 121.

The circuit module 121 is configured after receiving.

The circuit module 121 transmits the configuration completion / failure confirmation packet to the terminal device 30.

3) Follow the steps below to download and upgrade the upgrade program packet.

The program upgrade request is started, and the terminal device 30 transmits to the circuit module 121.

Upon receiving the circuit module 121, the circuit module 121 returns a reply packet, and the circuit module 121 transmits the reply packet to the terminal device 30.

The terminal device 30 transmits the total length of the program upgrade packet and the packetization status, and the terminal device 30 transmits the packetization status to the circuit module 121.

The confirmation packet is transmitted, and the circuit module 121 transmits to the terminal device 30.

The terminal device 30 transmits the program upgrade packet in numerical order, the circuit module 121 receives the upgrade packet, and transmits the reception confirmation packet to the terminal device 30.

The circuit module 121 receives the complete packet and sends a program upgrade ready command to the terminal device 30.

After receiving the program upgrade preparation completion command, the terminal device 30 transmits the upgrade start command to the circuit module 121.

The circuit module 121 starts the program upgrade after receiving the upgrade start command. At this stage, all data packets from the terminal device 30 are not received, and when the upgrade is completed, an online packet is transmitted to the terminal device 30.

When the operation is completed, the channel can be switched to another channel and the above three operations can be performed on the other circuit module 121. To stop the operation, you can turn off the power and exit.

The circuit module 121 has two modes, an operation mode and a standby mode. Switching between the two modes is performed by a switching command transmitted from the terminal device 30 by a plug. As a result, operations such as upgrade / configuration / data reading can be performed quickly even after the standby mode is set without affecting the original function of the circuit module 121. After the corresponding circuit module 121 establishes a connection with the terminal device 30, the transparent transmission packet is designed so that the transmission of the data packet can be realized at the highest speed.

Parts not described in the present invention can be made by adopting or referring to the prior art.

The above is merely a typical embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and those skilled in the art can make various changes within the technical scope disclosed by the present invention. Alternatively, alternatives can be easily envisioned and are within the scope of the invention. Therefore, the scope of protection of the present invention shall be in accordance with the scope of claims.

In the description of this description, the terms "center", "vertical", "horizontal", "length", "width", "thickness", "top", "bottom", "front", "rear" , "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", " The orientation or positional relationship indicated by "radial direction", "circumferential direction", etc. is an orientation or positional relationship based on the drawings, and is merely for explaining or facilitating the description of the present invention. It is not understood as limiting the invention as it does not imply or imply that the device or element described in this document has a particular orientation or is configured and must be operated in a particular orientation. Can not.

Also, the terms "first" and "second" are for illustration purposes only, but are understood to imply or imply relative importance or to imply the quantity of technical features indicated. Should not be. Therefore, the features limited by the "first" and "second" can include one or more of the features clearly or implicitly. In the description of the present invention, "plural" means two or more, except for those that are clearly and specifically limited.

In the present invention, the meanings of terms such as "attach", "connect to each other", "connect", and "fix" should be broadly understood unless otherwise specified and limited. For example, it may be a fixed connection, a detachable connection, or an integrated connection, it may be a mechanical connection, it may be an electrical connection, or it may be a communication. It may be directly connected, may be indirectly connected by an intermediate medium, may be a communication inside two elements, or may be an interaction relationship between two elements. .. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific circumstances.

In the present invention, unless otherwise specified and limited, the fact that the first feature is "above" or "below" the second feature includes direct contact with the first and second features. The first and second features may include contact by another feature between them rather than direct contact. Further, that the first feature is "above", "above", or "top" of the second feature means that the first feature is directly above and diagonally above the second feature, or just horizontal of the first feature. It includes showing that the height is only higher than the second feature. The fact that the first feature is "below", "below", or "bottom surface" of the second feature means that the first feature is directly below and diagonally below the second feature, or just the horizontal height of the first feature. Includes showing only lower than the second feature.

The disclosures described above provide many different embodiments or examples to realize the different structures of the invention. In order to simplify the disclosure of the present invention, the members and settings of the specific examples have been described in the above description. Of course, these are merely examples and are not intended to limit the invention. In addition, the invention may repeat reference digits and / or reference alphabet letters in various examples, such repetitions for the purpose of simplification and clarification, and the various practices that themselves are discussing. Does not indicate the relationship between forms and / or settings. The present invention also provides examples of various specific processes and materials, but those skilled in the art can be aware of the use of other processes and / or other materials.

10-Underground tool,
20-Signal processing equipment,
30-Terminal equipment 11-Underground tool body,
12-Circuit compartment,
13-1st signal transmission module,
14-Power reception control unit,
111-Mounting hole,
121-Circuit module,
122-1st carrier communication control unit 21-2nd signal transmission module,
22-Control module 211-Second magnetic core,
212-2nd winding,
221-Second carrier communication control unit,
2222-Power transmission control unit.

Claims (10)

It ’s an underground tool,
Underground tool body and
A circuit accommodating portion, wherein the circuit accommodating portion is provided in the underground tool main body, and a plurality of circuit modules are provided in the circuit accommodating portion.
A first signal transmission module, the first signal transmission module is provided in the underground tool main body, the circuit module is electrically connected to the first signal transmission module, and the first signal transmission module is Used to communicate and connect to a second signal transmission module, the second signal transmission module includes those compatible with the first signal transmission module.
The at least one circuit module includes a first carrier communication control unit, and the first signal transmission module allows the circuit module to receive or transmit a communication signal corresponding to the circuit module. tool. The underground tool according to claim 1, wherein the underground tool main body is provided with a mounting hole for mounting the first signal transmission module. The first signal transmission module is an outlet, and the outlet is
The first magnetic core attached to the mounting hole and
2. The second aspect of the present invention, wherein the first winding is wound around the inner wall or the surface of the first magnetic core, and the secondary winding is formed by the first magnetic core and the first winding. Underground tool. The underground tool
The power reception control unit is further provided, one end of which is electrically connected to the first signal transmission module and the other end of which is electrically connected to the circuit module, and the power reception control unit is electrically connected. The underground tool according to claim 1, wherein the underground tool is used to control the reception of a signal. A signal transmission system including a signal processing device and a terminal device, further comprising the underground tool according to any one of claims 1 to 4.
The signal processing device is
A second signal transmission module used for non-contactly connecting to the first signal transmission module to transmit an electric signal and / or a communication signal.
The control module includes a control module, the control module is electrically connected to the second signal transmission module, and a second carrier communication control unit is provided in the control module.
The control module receives a communication signal transmitted from the terminal device, determines a circuit module corresponding to the communication signal based on the communication signal, and sets the signal transmission channel of the second carrier communication control unit to the circuit. By configuring as a predetermined carrier communication channel corresponding to the module, the second carrier communication control unit transmits the communication signal to the first carrier communication control unit corresponding to the circuit module according to the predetermined carrier communication channel. A signal transmission system characterized by The second signal transmission module is a plug including a second magnetic core and a second winding.
The second magnetic core is attached to the plug and
The second winding is wound around the outer wall or the bottom surface of the second magnetic core, and the primary winding is formed by the second magnetic core and the second winding.
A claim characterized in that the secondary winding and the primary winding in the underground tool are electromagnetically coupled to provide a non-contact electrical and / or communication signal connection between the outlet and the plug. Item 5. The signal transmission system according to Item 5. A connecting member is provided on one of both the outlet and the plug, and a joining member is provided on the other, and the connecting member and the joining member are combined to connect the outlet and the plug.
The signal transmission system according to claim 6, wherein the connecting member or the joining member on the outlet is provided at a position of the outlet so as to protrude from the main body of the underground tool. The connecting member is a female screw connecting member, and the joining member is a male screw connecting member, or
The signal transmission system according to claim 7, wherein the connecting member is a fastener, and the joining member is an engaging groove. The signal processing device is
The signal transmission system according to claim 5, further comprising a power transmission control unit for controlling transmission of an electric signal. A signal transmission method applied to the signal transmission system according to any one of claims 5 to 9.
A step in which the control module receives a communication signal transmitted from the terminal device and determines a circuit module corresponding to the communication signal based on the communication signal.
The control module includes a step of configuring the communication signal transmission channel of the second carrier communication control unit as a predetermined carrier communication channel corresponding to the circuit module.
The second carrier communication control unit transmits the communication signal to the second signal transmission module according to the predetermined carrier communication channel so that the second signal transmission module transmits the communication signal to the first signal transmission module. Steps and
The first signal transmission module includes a step of transmitting the communication signal to the first carrier communication control unit corresponding to the predetermined carrier communication channel.
The first carrier communication control unit receives the communication signal and includes a step of forming a circuit module corresponding to the first carrier communication control unit based on the communication signal. Method.

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