Multi-terminal intelligent communication system and data transmission method for oil pumping units

Abstract

This invention belongs to the field of electrical communication technology and is a multi-terminal intelligent communication system and data transmission method for oil pumping units. It includes: several oil pumping units, each equipped with a communication module connected to a photoelectric conversion module. The photoelectric conversion module sends a raw optical data link to a splitter via a corresponding optical splitter cable. The splitter transmits the received raw optical data link to a host computer via a main optical cable. The communication module uses either RS-485 or ASCII communication. The host computer determines whether the optical attenuation exceeds a preset maximum optical attenuation threshold. If it does, the host computer determines that the optical attenuation of the raw optical data link transmitted via the corresponding optical splitter cable is unqualified. At this time, the host computer sends a modulation signal to the oil pumping unit with unqualified optical attenuation and the next oil pumping unit in sequence, so that the raw optical data links sent by the two oil pumping units are combined into a new optical data link at the splitter. This enables the receiving end to accurately obtain information from the new optical data link even when the optical attenuation of the raw optical data link of the oil pumping unit does not meet the requirements.

Description

Technical Field

[0001] This invention belongs to the field of electrical communication technology, specifically relating to transmission, and more particularly to a multi-terminal intelligent communication system and data transmission method for oil pumping units. Background Technology

[0002] Oil pumping units are typically used outdoors in large, sparsely distributed environments. Wireless communication signals are weak and prone to interruptions during data transmission. Therefore, they are usually connected to a single fiber optic cable, which then connects to a host computer via several optical splitters. Although outdoor fiber optic cables are armored, vibrations, loosening of splitter connectors, and bending caused by external forces can all attenuate the optical signal. However, the receiving end cannot indefinitely lower the receiving threshold.

[0003] Therefore, due to the technical problem that the signal received at the receiving end will have a soaring bit error rate due to excessive noise caused by the attenuation of communication light in the communication optical cable below the maximum threshold, it is necessary to design a multi-terminal intelligent communication system and data transmission method for oil pumping units.

[0004] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, the above description is not considered to constitute prior art information. Summary of the Invention

[0005] This disclosure provides at least one embodiment of a multi-terminal intelligent communication system and data transmission method for oil pumping units.

[0006] In a first aspect, embodiments of this disclosure provide a multi-terminal intelligent communication system for an oil pumping unit, comprising:

[0007] Several oil pumping units are provided, each equipped with a communication module connected to a photoelectric conversion module. The photoelectric conversion module sends a raw optical data link to a splitter via a corresponding optical splitter cable. Each oil pumping unit sends a raw optical data link to the splitter cable in sequence. The splitter cable sends the received raw optical data link to a host computer via a main optical cable.

[0008] The host computer is configured to obtain the corresponding optical attenuation based on the original optical data link, determine whether the optical attenuation exceeds the preset maximum optical attenuation threshold, and if it does, determine that the optical attenuation of the original optical data link transmitted by the corresponding optical splitter is unqualified. At this time, the host computer sends a modulation signal to the oil pumping unit with unqualified optical attenuation and the next oil pumping unit in sequence, so that the original optical data links sent by the two oil pumping units simultaneously according to the modulation signal are combined into a new optical data link in the optical splitter.

[0009] In one optional implementation, the original optical data chain is formed by continuously splicing together several information characters, and the original optical data chain is divided into three regions: a pre-guiding region, an information region, and a verification region.

[0010] The front guide area is provided with a blank area, which is set from the beginning of the front guide area and the length of the blank area is shorter than the front guide area.

[0011] The information area contains information data that needs to be sent to the host computer.

[0012] The pre-guidance area is suitable for distinguishing whether the current original optical data link or the new optical data link comes from the oil pumping unit;

[0013] The verification area is suitable for verifying the information data in the information area;

[0014] The blank area is suitable for reducing light error.

[0015] In one optional implementation, after receiving the modulation signal, the pumping unit with optical attenuation failure and its next sequential pumping unit shorten the length of the original optical data link to half, that is, the width of each information character is shortened to half. Then, after establishing communication, the pumping unit with optical attenuation failure and its next sequential pumping unit alternately send each information character to the splitter according to a preset modulation strategy to form a new optical data link at the splitter. The length of the new optical data link is the same as the length of the original optical data link, and the number of information characters contained is twice the number of information characters contained in the original optical data link.

[0016] In one optional implementation, the information characters in the pre-guiding area of ​​the new optical data link are the information characters in the pre-guiding area of ​​the oil pump that fails the optical attenuation test and the next oil pump in sequence.

[0017] The information characters in the information area of ​​the new optical data link represent the information characters in the information area of ​​the oil pumping unit that failed the optical attenuation test and the next oil pumping unit in sequence.

[0018] In the new optical data link, each information character in the verification area represents the information characters in the verification area of ​​the oil pumping unit that failed the optical attenuation test, as well as the next oil pumping unit in sequence.

[0019] In one alternative implementation, the number of each information character in the pumping unit that fails the light decay test is configured to 0, and the number of each information character in the next pumping unit in sequence is configured to 1.

[0020] In the new optical data link, the number of each information character is represented by 0, 1, or 01;

[0021] After receiving the new optical data link, the host computer is configured to split the new optical data link into two original optical data links according to the number of each information character.

[0022] In one optional implementation, a fixed identification code is set in the blank area of ​​the new optical data link from the tail end to the head end. That is, a fixed identification code is formed by the number corresponding to a fixed number of information characters. When the host computer recognizes the fixed identification code, it determines that the current optical data link is the new optical data link.

[0023] In one optional implementation, the host computer is configured to obtain the optical attenuation corresponding to the new optical data link after receiving the new optical data link, determine whether the optical attenuation exceeds a preset maximum optical attenuation threshold, and if it still exceeds the preset maximum optical attenuation threshold, determine that the optical splitter cable of the corresponding pumping unit is damaged.

[0024] In one optional implementation, the host computer is configured to acquire the corresponding light intensity when acquiring the original optical data link, and to determine that the corresponding optical splitter is damaged when the light intensity exceeds a preset maximum light intensity threshold.

[0025] In one alternative implementation, pumping units with adjacent sequential numbers communicate with each other wirelessly.

[0026] Secondly, this disclosure also provides a data transmission method using the above-mentioned multi-terminal intelligent communication system for oil pumping units, comprising:

[0027] The host computer sends modulation signals to the oil pump with substandard optical attenuation and the next oil pump in sequence, so that the original optical data links sent by the two oil pumps are combined into a new optical data link at the beam splitter.

[0028] The beneficial effects of this invention are as follows: This multi-terminal intelligent communication system for oil pumping units includes: several oil pumping units, each equipped with a communication module connected to a photoelectric conversion module. The photoelectric conversion module sends a raw optical data link to a splitter via a corresponding optical splitter cable. Each oil pumping unit sequentially sends its raw optical data link to the splitter. The splitter then transmits the received raw optical data link to a host computer via a main optical cable. The host computer is configured to obtain the corresponding optical attenuation based on the raw optical data link, determine whether the optical attenuation exceeds a preset maximum optical attenuation threshold, and if so... If the optical attenuation of the original optical data link transmitted by the corresponding optical splitter is deemed unqualified, the host computer sends a modulation signal to the pumping unit with unqualified optical attenuation and the next pumping unit in sequence. This causes the original optical data links transmitted simultaneously by the two pumping units to be combined into a new optical data link at the splitter. This enables the system to combine the original optical data links of the next pumping unit in sequence when the optical attenuation of the original optical data link of the pumping unit does not meet the requirements, so that the new optical data link meets the optical attenuation requirements. The receiving end can accurately obtain information from the new optical data link.

[0029] Other features and advantages of the invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention are realized and obtained through the structures particularly pointed out in the description and the drawings.

[0030] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0031] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0032] Figure 1 This is a connection diagram of a multi-terminal intelligent communication system for an oil pumping unit provided in an embodiment of the present disclosure;

[0033] Figure 2 This is a schematic diagram of an optical data link splicing provided in an embodiment of the present disclosure;

[0034] Figure 3 This is a schematic diagram illustrating the sequential transmission of two raw optical data chains and the simultaneous transmission based on a modulation signal, provided as an embodiment of this disclosure. Detailed Implementation

[0035] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0036] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0037] Oil pumping units are typically used outdoors, usually connected to a single communication fiber optic cable, which then connects to a host computer via several optical splitters. Although outdoor communication fiber optic cables are armored, vibrations during daily use, loosening of the splitter connectors, and bending caused by external forces can all attenuate the communication light in the fiber. However, the receiving end cannot indefinitely lower the receiving threshold. This is the "physical threshold" of the optical module—referring to the lowest optical power (e.g., 32dBm for conventional modules, 34dBm for high-sensitivity modules) that the receiving end can recognize while ensuring a bit error rate ≤10⁻¹² (a core requirement for industrial communication). The signal strength is determined by the photoelectric conversion efficiency of the photodetector (PD), the noise level of the photoamplifier (TIA), and the signal demodulation algorithm. It is fixed through hardware design and calibration at the factory and cannot be "short-term adjusted" via software. Some systems even set a "software protection threshold" (e.g., -30dBm) based on the receiver sensitivity—triggering an alert (e.g., switching to low-light mode) when the received optical power falls below this value. However, this threshold cannot be lower than the hardware receiver sensitivity. Forcibly setting the software threshold to -35dBm (lower than the hardware sensitivity of -34dBm) may "trigger communication," but the received signal will experience a spike in bit error rate (far exceeding 10⁻¹²) due to excessive noise, resulting in a situation where "it can trigger but transmits incorrect data," thus compromising communication reliability.

[0038] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0039] The following detailed description of some embodiments of the present invention is provided in conjunction with the accompanying drawings. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0040] like Figure 1As shown, at least one disclosed embodiment provides a multi-terminal intelligent communication system for oil pumping units, comprising: a plurality of oil pumping units, each oil pumping unit having a communication module connected to a photoelectric conversion module, the photoelectric conversion module sending a raw optical data link to a beam splitter via a corresponding optical splitter cable, each oil pumping unit sequentially sending a raw optical data link to the beam splitter, the beam splitter transmitting the received raw optical data link to a host computer via a main optical cable; the host computer is configured to obtain the corresponding optical attenuation based on the raw optical data link and determine whether the optical attenuation exceeds a preset maximum optical attenuation threshold. If the optical attenuation exceeds the limit, it is determined that the optical attenuation of the original optical data link transmitted by the corresponding optical splitter is unqualified. At this time, the host computer sends a modulation signal to the pumping unit with unqualified optical attenuation and the next pumping unit in sequence, so that the original optical data links transmitted by the two pumping units simultaneously according to the modulation signal are combined into a new optical data link at the optical splitter. Thus, when the optical attenuation of the original optical data link corresponding to the pumping unit does not meet the requirements, it can be combined with the original optical data link of the next pumping unit in sequence so that the new optical data link meets the optical attenuation requirements, and the receiving end can accurately obtain information from the new optical data link.

[0041] In this embodiment, the incident angle of the signal light is the same in each optical data link composed of the signal light emitted by the photoelectric conversion module.

[0042] In this embodiment, the beam splitter has a beam fusion function.

[0043] In this embodiment, as Figure 3 As shown, the dashed line represents the original optical data link sent by the pumping unit with substandard optical attenuation, and the solid line represents the original optical data link sent by the next pumping unit in sequence with substandard optical attenuation.

[0044] In this embodiment, the communication module is either 485 communication or A11 communication.

[0045] In this embodiment, the photoelectric conversion module can convert electrical signals into optical signals; the oil pumping unit acquires electrical signal data, such as electrical parameter data.

[0046] In this embodiment, the main optical cable can be connected to an optical module, and then connected to a host computer or other devices through the optical module.

[0047] In this embodiment, the optical cable normally uses single-mode optical fiber communication.

[0048] In one optional implementation, the original optical data chain is formed by continuously splicing together several information characters, and the original optical data chain is divided into three regions: a pre-guiding region, an information region, and a verification region; a blank area is provided in the pre-guiding region, the blank area is set from the beginning of the pre-guiding region, and the length of the blank area is shorter than the pre-guiding region.

[0049] In this embodiment, the information area contains information data that needs to be sent to the host computer. The pre-guidance area is suitable for distinguishing the oil pump from which the current original optical data link or the new optical data link originates; the verification area is suitable for verifying the information data in the information area; and the blank area is suitable for reducing optical errors, i.e., errors caused by occasional emitted light.

[0050] In this embodiment, each pumping unit sends raw optical data links to the host computer in sequence, repeating the process. There is a preset time interval between two adjacent pumping units.

[0051] In this embodiment, when the optical attenuation of an oil pump exceeds the preset maximum optical attenuation threshold, the next oil pump in sequence and the oil pump with the unqualified optical attenuation simultaneously begin to send the compressed optical data link to the splitter, that is, the length of the original optical data link is shortened to half before transmission.

[0052] like Figure 2 As shown, in one optional implementation, after receiving the modulation signal, the pump with optical attenuation failure and its next sequential pump shorten the length of the original optical data link to half, that is, the width of each information character is shortened to half. Then, after establishing communication, the pump with optical attenuation failure and its next sequential pump alternately send each information character to the splitter according to a preset modulation strategy to form a new optical data link at the splitter. The length of the new optical data link is the same as the length of the original optical data link, and the number of information characters contained is twice the number of information characters contained in the original optical data link.

[0053] In this embodiment, the length of the new optical data link received by the splitter is the same as the length of the original optical data link, but it contains twice the information.

[0054] In one optional implementation, the information characters in the pre-guiding area of ​​the new optical data link are the information characters in the pre-guiding area of ​​the oil pump that fails the optical attenuation test and the next oil pump in sequence; the information characters in the information area of ​​the new optical data link are the information characters in the information area of ​​the oil pump that fails the optical attenuation test and the next oil pump in sequence; the information characters in the verification area of ​​the new optical data link are the information characters in the verification area of ​​the oil pump that fails the optical attenuation test and the next oil pump in sequence.

[0055] In one optional implementation, the information characters in the oil pump with unqualified optical attenuation are configured with a number of 0, and the information characters in the next sequential oil pump are configured with a number of 1; the information characters in the new optical data link are represented by a number of 0, 1, or 01; after receiving the new optical data link, the host computer is configured to split the new optical data link into two original optical data links according to the number of each information character.

[0056] like Figure 2As shown, in one optional implementation, a fixed identification code is set in the blank area of ​​the new optical data link from the tail end to the head end. That is, the fixed identification code is composed of the numbers corresponding to a fixed number of information characters. When the host computer recognizes the fixed identification code, it determines that the current optical data link is the new optical data link.

[0057] In this embodiment, the fixed identification code can be 101. By setting a fixed identification code from back to front in the blank area, interference with the fixed identification code caused by interference information at the beginning of the blank area can be avoided. Figure 2 As shown, the shaded area can represent 1, and the space between two shaded areas can represent 0, forming 101.

[0058] In one optional implementation, the host computer is configured to obtain the optical attenuation corresponding to the new optical data link after receiving the new optical data link, determine whether the optical attenuation exceeds a preset maximum optical attenuation threshold, and if it still exceeds the preset maximum optical attenuation threshold, determine that the optical splitter cable of the corresponding pumping unit is damaged.

[0059] In one optional implementation, the host computer is configured to acquire the corresponding light intensity when acquiring the original optical data link, and to determine that the corresponding optical splitter is damaged when the light intensity exceeds a preset maximum light intensity threshold.

[0060] In this embodiment, when the optical splitter cable is damaged, the host computer can send maintenance information to the staff to remind them to come to the site for maintenance.

[0061] In one alternative implementation, pumping units with adjacent sequential numbers communicate with each other wirelessly.

[0062] At least one other disclosed embodiment also provides a data transmission method using the above-described multi-terminal intelligent communication system for oil pumping units, comprising: a host computer sending a modulation signal to an oil pumping unit with unqualified optical attenuation and the next oil pumping unit in sequence thereafter, so that the original optical data links sent simultaneously by the two oil pumping units according to the modulation signal are combined into a new optical data link in a beam splitter.

[0063] In summary, this multi-terminal intelligent communication system for oil pumping units includes: several oil pumping units, each equipped with a communication module connected to a photoelectric conversion module. The photoelectric conversion module sends raw optical data links to a splitter via corresponding optical splitters. Each oil pumping unit sequentially sends its raw optical data link to the splitter. The splitter then transmits the received raw optical data links to a host computer via a main optical cable. The host computer is configured to obtain the corresponding optical attenuation based on the raw optical data link, determine whether the optical attenuation exceeds a preset maximum optical attenuation threshold, and if so, determine... If the optical attenuation of the original optical data link transmitted by the corresponding optical splitter is unqualified, the host computer sends a modulation signal to the pumping unit with unqualified optical attenuation and the next pumping unit in sequence. This causes the original optical data links transmitted simultaneously by the two pumping units to be combined into a new optical data link at the optical splitter. This enables the system to combine the original optical data links of the next pumping unit in sequence when the optical attenuation of the original optical data link of the pumping unit is unqualified, so that the new optical data link meets the optical attenuation requirements. The receiving end can accurately obtain information from the new optical data link.

[0064] In the description of the embodiments of the present invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention based on the specific circumstances.

[0065] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as a second element, component, region, layer, or segment.

[0066] Spatially relative terms, such as “inside,” “outside,” “below,” “below,” “down,” “above,” “up,” etc., may be used herein to describe the relationship between one element or feature illustrated in the figures and another element or feature. In addition to the orientations depicted in the figures, spatially relative terms may be intended to cover different orientations of the device in use or operation. For example, if the device in the figure is flipped, an element described as “below” or “below” other elements or features would be oriented as “above” other elements or features. Thus, the example term “below” can cover both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.

[0067] In the above discussion, unless otherwise stated, when used to describe numerical values, the terms “about,” “approximately,” “basically,” etc., indicate a change of + / - 10% in that value.

[0068] Based on the above-described preferred embodiments of the present invention, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A pumping unit multi-terminal intelligent communication system, characterized in that, The system comprises: a plurality of pumping units, each of which is provided with a communication module, the communication module being connected with an optoelectronic conversion module, the optoelectronic conversion module sending an original optical data chain to a splitter through a corresponding splitter cable, each pumping unit sending the original optical data chain to the splitter in turn, and the splitter sending the received original optical data chain to an upper computer through a main optical cable; the upper computer being configured to acquire corresponding optical attenuation according to the original optical data chain, to determine whether the optical attenuation exceeds a preset maximum optical attenuation threshold, and if so, to determine that the optical attenuation of the corresponding splitter cable in transmitting the original optical data chain is unqualified, at which time the upper computer sends a modulation signal to the pumping unit with unqualified optical attenuation and the next pumping unit in sequence, so that the two pumping units form a new optical data chain at the splitter from the original optical data chains sent by the two pumping units at the same time according to the modulation signal; after receiving the modulation signal, the pumping unit with unqualified optical attenuation and the next pumping unit in sequence shorten the length of the original optical data chain to half, i.e. shorten the width of each information character to half, and then alternately send each information character to the splitter according to a preset modulation strategy after establishing communication, so as to form a new optical data chain at the splitter, the new optical data chain having the same length as the original optical data chain and containing twice the number of information characters contained in the original optical data chain; each information character in the preposition guide area of the new optical data chain is a preposition guide area information character of the pumping unit with unqualified optical attenuation and the next pumping unit in sequence; each information character in the information area of the new optical data chain is an information area information character of the pumping unit with unqualified optical attenuation and the next pumping unit in sequence; each information character in the check area of the new optical data chain is a check area information character of the pumping unit with unqualified optical attenuation and the next pumping unit in sequence.

2. The pumping unit multi-terminal intelligent communication system of claim 1, wherein the original optical data chain is formed by continuously splicing a plurality of information characters, and the original optical data chain is divided into three areas: a preposition guide area, an information area, and a check area; a blank area is provided in the preposition guide area, the blank area being provided from the beginning of the preposition guide area, and the length of the blank area being shorter than that of the preposition guide area; the information area contains information data to be sent to the upper computer; the preposition guide area is adapted to distinguish the pumping unit from which the current original optical data chain or new optical data chain comes; the check area is adapted to check the information data in the information area; the blank area is adapted to reduce optical errors.

3. The pumping unit multi-terminal intelligent communication system of claim 1, wherein the number of each information character in the pumping unit with unqualified optical attenuation is configured as 0, and the number of each information character in the next pumping unit in sequence is configured as 1; the number of each information character in the new optical data chain is represented by 0 or 1 or 01; after receiving the new optical data chain, the upper computer is configured to split the new optical data chain into two original optical data chains according to the number of each information character.

4. The pumping unit multi-terminal intelligent communication system of claim 1, wherein A fixed identification code is arranged in the blank area of the new light data chain from the tail end to the head end, that is, the fixed identification code is composed of a fixed number of information characters corresponding to the number, and when the host computer recognizes the fixed identification code, it is judged that the current light data chain is a new light data chain.

5. The pumping unit multi-terminal intelligent communication system of claim 1, wherein the host computer is configured to send a modulation signal to the pumping unit corresponding to the adjacent sequential number and the pumping unit corresponding to the next sequential number of the pumping unit corresponding to the adjacent sequential number, so that the pumping unit corresponding to the adjacent sequential number and the pumping unit corresponding to the next sequential number simultaneously send the original light data chain to the optical splitter to form a new light data chain.

6. The pumping unit multi-terminal intelligent communication system of claim 1, wherein the host computer is configured to obtain the light attenuation corresponding to the new light data chain after receiving the new light data chain, and judge whether the light attenuation exceeds the preset maximum light attenuation threshold, and if it still exceeds the preset maximum light attenuation threshold, it is judged that the corresponding pumping unit optical cable is damaged.

7. The pumping unit multi-terminal intelligent communication system of claim 1, wherein the host computer is configured to obtain the light intensity corresponding to the original light data chain, and when the light intensity exceeds the preset maximum light intensity threshold, it is judged that the corresponding optical cable is damaged.

7. The pumping unit multi-terminal intelligent communication system of claim 1, wherein the host computer is configured to obtain the light intensity corresponding to the original light data chain, and when the light intensity exceeds the preset maximum light intensity threshold, it is judged that the corresponding optical cable is damaged.

7. The pumping unit multi-terminal intelligent communication system of claim 1, wherein the host computer is configured to obtain the light intensity corresponding to the original light data chain, and when the light intensity exceeds the preset maximum light intensity threshold, it is judged that the corresponding optical cable is damaged. ​ 8. A data transmission method using the multiple terminal intelligent communication system of the pumping unit according to claim 1, characterized by, ​ ​

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