CN114777928A - Infrared imaging monitoring and early warning method and system - Google Patents
Infrared imaging monitoring and early warning method and system Download PDFInfo
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Abstract
The invention discloses an infrared imaging monitoring and early warning method, which comprises the following steps: the method comprises the following steps that an infrared monitoring terminal monitors infrared data of equipment; the infrared monitoring terminal receives data transmission configuration sent by the data collection center; the infrared monitoring terminal divides the infrared data into a plurality of data segments based on the data transmission configuration; the infrared monitoring terminal sends a transmission resource request to a data collection center, wherein the transmission resource request comprises a preset identifier; the infrared monitoring terminal receives a resource indication sent by the data collection center, wherein the resource indication is sent by the data collection center in response to receiving the transmission resource request; the infrared monitoring terminal sends the size of the data segment to the data collection center by using the resource indicated by the resource indication; the infrared monitoring terminal receives a data resource indication sent by the data collection center; the infrared monitoring terminal sends the data segments to the data collection center by using the resources indicated by the data resource indication.
Description
Technical Field
The invention relates to the technical field of thermal monitoring of factories, in particular to an infrared imaging monitoring and early warning method and system.
Background
Equipment condition maintenance work has been a long-sought goal for modernization of plant maintenance management. The monitoring of the heat generating mechanical equipment can be carried out by means of infrared monitoring equipment, and the basic principle is as follows: any object with temperature can emit infrared rays reflecting the temperature of the object, the infrared rays cannot be observed by naked eyes of people, a rather mature infrared imaging technology is developed to provide a means for observing the infrared rays, the purpose of observing the infrared rays is to acquire the temperature of the object, the infrared imaging technology is utilized to produce a corresponding intelligent infrared imaging handheld terminal, the temperature distribution of the surface of the object is converted into an image visible by the naked eyes of the human body by receiving the infrared rays emitted by the object, and therefore the temperature distribution condition of the object can be subjected to corresponding technical analysis and the analysis result can be utilized.
According to the difference of monitoring requirements and consideration based on equipment cost (for example, important equipment is generally provided with high-resolution infrared monitoring equipment with high price and good performance, and for infrared monitoring equipment with low importance and general and offset performance which belongs to vulnerable mechanical equipment, the current infrared monitoring terminals have different image resolution, sensitivity and measurement accuracy, and it can be expected that due to the difference of resolution, measurement accuracy and the like, the data volume of data transmission of each terminal equipment is inconsistent (for example, the total transmission volume of some low-cost equipment is small, and the total transmission volume of high-cost equipment is large), a corresponding method is needed to improve the transmission efficiency; in addition, with the development of factory intelligence, the number of the infrared monitoring terminals is more and more, and a corresponding data transmission method is needed under the condition of large-scale configuration of infrared monitoring equipment; finally, since the monitoring data of factories, especially power plants, relate to critical and sensitive parameters, if infrared monitoring terminals are directly connected to the LTE or NR network, the related data are easily leaked, and further, since some infrared monitoring terminals are not computationally intensive, it is not practical to require the terminals themselves to execute some complex encryption algorithms, and it is desirable to provide a method similar to local area network transmission. However, according to our research, the related art is lacking in the prior art.
Disclosure of Invention
In order to achieve the above object, the present invention provides an infrared imaging monitoring and early warning method, comprising:
monitoring infrared data of equipment by an infrared monitoring terminal;
the infrared monitoring terminal receives data transmission configuration sent by the data collection center;
the infrared monitoring terminal divides the infrared data into a plurality of data segments based on the data transmission configuration, wherein each data segment in the plurality of data segments is assigned with a predetermined identifier, and the length of the predetermined identifier is related to the number of the plurality of data segments;
the infrared monitoring terminal sends a transmission resource request to the data collection center, wherein the transmission resource request comprises a preset identifier;
the infrared monitoring terminal receives a resource indication sent by the data collection center, wherein the resource indication is sent by the data collection center in response to receiving the transmission resource request;
the infrared monitoring terminal sends the size of the data segment to the data collection center by using the resource indicated by the resource indication;
the infrared monitoring terminal receives a data resource indication sent by the data collection center;
the infrared monitoring terminal sends the data segments to the data collection center by using the resources indicated by the data resource indication.
In a preferred embodiment, the data transfer configuration includes an indication of a first number of segments of the infrared data; wherein the first number is determined based on the function of the infrared monitoring terminal;
the infrared monitoring terminal divides infrared data into a plurality of data segments based on data transmission configuration, and specifically comprises the following steps:
the infrared monitoring terminal divides the infrared data into a first number of data segments based on a first number of segments of the infrared data indicated by the data transmission configuration.
In a preferred embodiment, the first number is 3;
the infrared monitoring terminal divides the infrared data into a data segment A, a data segment B and a data segment C based on that the first number of segments of the infrared data indicated by the data transmission configuration is 3;
after the infrared data are divided into a data segment A, a data segment B and a data segment C, the infrared monitoring terminal assigns a predetermined identifier A to the data segment A, assigns a predetermined identifier B to the data segment B and assigns a predetermined identifier C to the data segment C, wherein the predetermined identifier A, the predetermined identifier B and the predetermined identifier C have a sequential order.
In a preferred embodiment, the method further comprises:
after the preset identifier is distributed to the data segment, the infrared monitoring terminal sends a transmission resource request A to the data collection center, wherein the transmission resource request A comprises the preset identifier A;
after receiving the transmission resource request A, the data collection center determines whether the data collection center can distribute resources to the infrared monitoring terminal;
if the data collection center is determined to be capable of distributing resources to the infrared monitoring terminal, the data collection center reserves a resource A for the infrared monitoring terminal;
the data collection center sends a resource indication A to the infrared monitoring terminal, wherein the resource indication A indicates the reserved resource A to the infrared monitoring terminal;
if the resource indication A is not received correctly, the infrared monitoring terminal sends a transmission resource request A1 to the data collection center, wherein the transmission resource request A1 comprises a preset identifier A;
after receiving the transmission resource request a1, the data collection center releases the reserved resource a, and the data collection center reserves resource a1 for the infrared monitoring terminal;
the data collection center sends a resource indication a1 to the infrared monitoring terminal, wherein the resource indication a1 indicates the reserved resource a1 to the infrared monitoring terminal.
In a preferred embodiment, the method further comprises:
after correctly receiving the resource indication a1, the infrared monitoring terminal uses the reserved resource a1 to send the size of the data segment a to the data collection center;
the infrared monitoring terminal receives a data resource indication A sent by a data collection center, wherein the data resource indication A is sent by the data collection center in response to receiving the size of the data segment A;
and the infrared monitoring terminal sends the data segment A to the data collection center by using the resource indicated by the data resource indication A.
In a preferred embodiment, the method further comprises:
if the data collection center is determined to be incapable of distributing resources to the infrared monitoring terminal, the data collection center sends a transmission refusing message A to the infrared monitoring terminal;
if the transmission refusing message A is not received correctly, the infrared monitoring terminal sends a transmission resource request A1 to the data collection center, wherein the transmission resource request A1 comprises a predetermined identifier A;
after receiving the transmission resource request A1, the data collection center determines that the infrared monitoring terminal does not correctly receive the transmission refusal message A;
after determining that the infrared monitoring terminal does not correctly receive the transmission refusing message A, the data collection center broadcasts a transmission refusing message A1;
after receiving the transmission refusal message a1, the infrared monitoring terminal sends a transmission resource request to another data collection center.
In a preferred embodiment, the method further comprises:
the data collection center receives a transmission resource request B sent by the infrared monitoring terminal, wherein the transmission resource request B comprises a preset identifier B;
after receiving the transmission resource request B, the data collection center determines whether the data collection center received a transmission resource request for data packet a before receiving the transmission resource request B for data packet B;
if the data collection center is determined not to receive the transmission resource request for the data packet A before receiving the transmission resource request B for the data packet B, the data collection center reserves 2 the resource B and the resource A for the infrared monitoring terminal;
the data collection center sends a joint resource indication B to the infrared monitoring terminal, wherein the joint resource indication B comprises an indication of a reserved resource B and a reserved resource A2;
after correctly receiving the joint resource indication B, the infrared monitoring terminal sends the size of the data segment B to the data collection center using the reserved resource B, and the infrared monitoring terminal sends the size of the data segment a to the data collection center using the reserved resource a 2.
In a preferred embodiment, the method further comprises:
after receiving the size of the data segment B, the data collection center sends a data resource indication B to the infrared monitoring terminal;
after receiving the size of the data segment A, the data collection center sends a data resource indication C to the infrared monitoring terminal;
the infrared monitoring terminal sends a data segment B to the data collection center by using the resource indicated by the data resource indication B;
and the infrared monitoring terminal sends the data segment A to the data collection center by using the resource indicated by the data resource indication C.
The present invention provides an infrared imaging monitoring and pre-warning system configured to perform the method as described above.
Compared with the prior art, the method has the following beneficial effects:
according to the current design mode, the system has the problem of resource waste. A simple solution to this kind of resource waste problem is to greatly increase the complexity of information transmission, for example, a complex field may be designed in a resource request message to carry detailed information such as a reason of a resource request, a resource request history, and the like, but it should be noted that the resource request message is a process of first requesting a resource after a terminal is in communication connection with a node, and the process requires that a resource itself for transmitting the resource request message is pre-configured, and the reserved resource may be used or may not be used, which may cause resource waste, but the waste is necessary cost for ensuring communication and cannot be eliminated to zero. It is of course desirable that the smaller the waste, the better, the smaller the waste, provided that the pre-configured resource set itself is smaller, which necessarily requires that the size of the resource request message cannot be too small. The aforementioned solution of designing complex fields in the resource request message is not reasonable. The object of the present invention is to propose a more rational way to solve the aforementioned problems.
Drawings
Fig. 1 is a flowchart of an infrared imaging monitoring and warning method according to an embodiment of the invention.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
In order to realize an infrared monitoring terminal (the term "infrared monitoring terminal" in the present invention generally refers to all electronic devices having a wireless communication function and capable of monitoring infrared related information, a monitoring terminal does not necessarily have a human-computer interface such as a screen and a button, and the simplest infrared monitoring terminal may have only a USB interface connected to an external computing device so that the external computing device performs necessary upgrade and management on the infrared monitoring terminal), and a data collection center (the data collection center may be a data collection node provided inside a power plant, the node may be networked with a server through an optical fiber, the node may have high computational power so as to perform management on a plurality of infrared monitoring terminals, and in one example, the data collection center itself may be a server having a corresponding data processing function and additionally having a wireless transmission function). In the process of communication between a simplest infrared monitoring terminal (referred to as a "terminal" in the following paragraphs for technical problem introduction) and a data collection center (referred to as a "node" in the following paragraphs for technical problem introduction), the communication can be mainly divided into the following steps:
step S1: the terminal sends a resource request to the node;
step S2: the node allocates resources to the terminal;
step S3: the terminal transmits necessary information (e.g., the size of data to be transmitted) of a transmission object to the node using the allocated resources;
step S4: the node allocates data resources to the terminal;
step S5: the terminal sends data to the node.
It should first be clear that it is not possible for a terminal to send only one data packet to a node for a considerable period of time (e.g. it is not possible for a terminal to send only one data packet to a node every hour). Thus for ease of discussion, assuming that the terminal is to send packet a and packet B to the node, the general implementation of the above method is: the terminal sends a resource request No. one to the node to send the size of the data packet a, and then the node may have the following possibility, possibility 1: the node does not receive the first resource request, and the node cannot make any response at the moment; possibility 2: the node receives the first resource request, reserves a certain first resource for the terminal, and sends a resource allocation message to the terminal at the moment; possibility 3: the node receives the first resource request, but the node cannot allocate resources to the terminal (the possible reasons for the inability to allocate resources are many, and in one case, the node cannot allocate resources because the resources that can be allocated by the node are insufficient), at this time, the node notifies the terminal that the node cannot allocate resources; possibility 4: and the node receives the first resource request, but cannot correctly decode the first resource request, and the node notifies the terminal to resend the first resource request. In the possibility 2-4, there is always a case that the terminal does not correctly receive the node response, and since the node response is not correctly received, at this time, the terminal needs to resend the first resource request because the terminal does not know the node response no matter what the node response is. In view of the prior art, the resource requests involved in the step S1 are all messages without any identification information, in other words, the resource requests involved in the step S1 are only used for requesting resource allocation to the node, specifically, the resource usage is why the resource request in the step S1 cannot be expressed. Therefore, the node cannot know whether the retransmitted resource request number one is really the retransmitted resource request number one by the terminal, because the retransmitted resource request number one is completely consistent with the resource request number two for transmitting the size of the data packet B at the node side. In short, the node does not know whether the retransmitted resource request is a new transmission request or a retransmission request, and the node does not know the information, which would result in resource waste. For example, if the node knows that the resource request is a retransmission request, the node may release resource number one reserved for the terminal in the aforementioned possibility 2 and reallocate the resource to the terminal, and if the node knows that the resource request is a new transmission request, the node may not release resource number one reserved for the terminal. But if the node does not know the nature of the resource request, the node cannot determine whether to release or reserve the reserved resource, and if the reserved resource is designed to be reserved consistently regardless of the nature of the resource request, the node will waste resources with at least a 50% probability. For another example, when the node receives the resource request for the first time when the possibility 1 occurs, the node does not know that the resource request received by the node is the resource request sent by the terminal for the first time, and in one case, the terminal sends the resource request twice, but the node only receives the resource request for the next time, which results in that the node cannot timely notify the terminal to retransmit the missed first resource request, which also results in the reduction of transmission efficiency. The problems can not be solved by a HARQ way similar to ACK and NACK, and the method or the similar method can not be realized because the infrared monitoring terminal is not allocated with any transmission resource and the ACK and the NACK lack corresponding transmission resources. Furthermore, a simple way to solve the aforementioned problem of resource waste is to greatly increase the complexity of information transmission, for example, a complicated field may be designed in the resource request message to carry the reason of resource request, the resource request history, and other detailed information, but it should be noted that the resource request message in step S1 is a process of first requesting resources after the terminal is in communication connection with the node, and the process requires that the resources themselves used for transmitting the resource request message in step S1 are pre-configured, and the reserved resources may be used or may not be used, which may cause resource waste, but the waste is to ensure the necessary cost of communication and cannot be eliminated to zero. It is of course desirable that the waste is as small as possible, provided that the preconfigured resource set itself is small, which necessarily requires that the size of the resource request message in step S1 not be too small. The aforementioned solution of designing a complicated field in the resource request message is not reasonable. The object of the present invention is to propose a more rational way to solve the aforementioned problems. The above-mentioned technical problem is also addressed in the following description of specific embodiments.
FIG. 1 is a flow diagram of a method according to an embodiment of the invention. As shown in the figure, the infrared imaging monitoring and early warning method of the invention comprises the following steps:
step 11: monitoring infrared data of equipment by an infrared monitoring terminal;
step 12: the infrared monitoring terminal receives data transmission configuration sent by the data collection center; in one embodiment, the data transmission configuration may be broadcast by the data collection center. As will be described below, the data transmission configuration may need to indicate the number of data segments, and due to the limitation of the transmission format, the data amount transmitted at one time is not infinite, so if the data amount transmitted by the infrared monitoring terminal is always large, a large number of segments is configured for the infrared monitoring terminal, and conversely, a small number of segments is configured for the infrared monitoring terminal. As mentioned above, the size of the data volume is generally related to the function level of the infrared monitoring terminal, and the infrared monitoring terminal with complex function, high resolution and high monitoring frequency generally transmits a larger data volume. In one embodiment, all terminals within the plant may be classified into a plurality of classes, such as shown in table 1 below,
TABLE 1
It should be understood by those skilled in the art that table 1 is merely an example of the functional level division, and the user may set fewer functional levels or more functional levels according to actual needs of the plant. The model of the infrared monitoring terminal refers to a product model provided by an equipment provider, for example, according to common knowledge, when a common manufacturer provides a product, the product model corresponds to the product performance, for example, the intel processor has types i3, i5, i7, and the larger the number is, the stronger the processing capability of the product is. The model number provided by the equipment provider can be mapped to the product function level. Those skilled in the art should understand that the product models "1, 1 '" and "n, n '" etc. in the table are not specific models, but are merely code numbers for illustrating examples and distinguishing terms, but it is clear that the infrared monitoring terminal model 1 ' and the infrared monitoring terminal model 1 cannot be the same model of equipment. In one example, the data collection center sends table 1 to the infrared monitoring device, and the infrared monitoring device can look up a table to find the corresponding number of segments based on the device model stored in its rom. It will also be appreciated by those skilled in the art that the aforementioned function level table is dynamically adjustable, in other words, a certain monitoring terminal may belong to function level 3 for one period of time and to function level 4 for another period of time.
Step 13: the infrared monitoring terminal divides the infrared data into a plurality of data segments based on the data transmission configuration, wherein each data segment in the plurality of data segments is assigned with a predetermined identifier, and the length of the predetermined identifier is related to the number of the plurality of data segments; in one example, the predetermined identifier length may be 2 bits when the number of data segments is 3-4, 3 bits when the number of data segments is 5-8, and 4 bits when the number of data segments is 9-16; the assignment of the predetermined identifiers is shown in tables 2-3 below,
table 2 (number of data segments 4)
| Data segment A | 00 |
| Data segment B | 01 |
| Data segment C | 10 |
| Data segment D | 11 |
Table 3 (number of data segments 6)
| Data segment A | 000 |
| Data segment B | 001 |
| Data segment C | 010 |
| Data segment D | 011 |
| Data segment E | 100 |
| Data segment F | 101 |
The table occupies a small storage space, so the table can be stored in the infrared monitoring terminal in advance, and the infrared monitoring terminal can store all the tables and call the predetermined identifier for use according to the requirements. In one embodiment, the infrared monitoring terminal determines that the infrared monitoring terminal is in the function level 3 and is required to divide the data into 6 segments, and the infrared monitoring terminal calls the table 3.
Step 14: the infrared monitoring terminal sends a transmission resource request to a data collection center, wherein the transmission resource request comprises a preset identifier; the transmission resource request may include a resource request and a predetermined identifier, wherein the resource request may be a 1-bit message, and the predetermined identifier may be a 3-bit message as in the foregoing embodiment, so that the application may solve the aforementioned technical problem without substantially increasing the size of the message of the transmission resource request itself. It should be noted that the "not greatly increasing the size of the message itself of the transmission resource request" in the present invention means that, compared with the aforementioned scenario, the method of the present invention does not need to greatly increase the bit length of the transmission resource request by setting a special field in the transmission resource request to express the detailed information of the reason of the resource request, the resource request history, and the like;
step 15: the infrared monitoring terminal receives a resource indication sent by the data collection center, wherein the resource indication is sent by the data collection center in response to receiving the transmission resource request;
step 16: the infrared monitoring terminal sends the size of the data segment to the data collection center by using the resource indicated by the resource indication;
and step 17: the infrared monitoring terminal receives a data resource indication sent by the data collection center;
step 18: the infrared monitoring terminal sends the data segments to the data collection center by using the resources indicated by the data resource indication.
In a preferred embodiment, the data transfer configuration includes an indication of a first number of segments of the infrared data; wherein the first number is determined based on the function of the infrared monitoring terminal;
the infrared monitoring terminal divides infrared data into a plurality of data segments based on data transmission configuration, and specifically comprises the following steps:
the infrared monitoring terminal divides the infrared data into a first number of data segments based on a first number of segments of the infrared data indicated by the data transmission configuration.
In a preferred embodiment, the first number is 3;
the infrared monitoring terminal divides the infrared data into a data segment A, a data segment B and a data segment C based on that the first number of segments of the infrared data indicated by the data transmission configuration is 3; in an embodiment, the object transmitted by the infrared monitoring terminal is infrared monitoring data, and it should be understood by those skilled in the art that, before the transmission of the physical layer, the infrared monitoring data has been converted by the infrared monitoring terminal into a string of bit sequences with a front-back order, where the data segmentation refers to dividing the bit sequence (e.g. bit sequence number 1-5000) into a plurality of segments, in this embodiment, the bit sequence is divided into three segments, it should be noted that data segment a is a bit sequence number 1-1000, data segment B is a bit sequence number 1001-3000, and data segment C is a bit sequence number 3001-5000, so that data segment A, B, C is in a front-back order; it should be noted by those skilled in the art that the data segments a-C in this embodiment of the present invention cannot be simply understood or correspond to the aforementioned data packets a-C, because in the conventional art, there is no such solution of the present invention, in other words, even for the aforementioned data packet a, the method of the present invention can divide it into a plurality of data segments for transmission;
after the infrared data are divided into a data segment A, a data segment B and a data segment C, the infrared monitoring terminal assigns a predetermined identifier A to the data segment A, assigns a predetermined identifier B to the data segment B and assigns a predetermined identifier C to the data segment C, wherein the predetermined identifier A, the predetermined identifier B and the predetermined identifier C have a sequential order. Because data segments A, B, C are sequential, and because predetermined identifier a corresponds to each data segment, predetermined identifier a, predetermined identifier B, and predetermined identifier C have a sequential order.
In a preferred embodiment, the infrared imaging monitoring and warning method further comprises: after the preset identifier is distributed to the data segment, the infrared monitoring terminal sends a transmission resource request A to the data collection center, wherein the transmission resource request A comprises the preset identifier A; after receiving the transmission resource request A, the data collection center determines whether the data collection center can distribute resources to the infrared monitoring terminal; in one embodiment, if the data collection center has no spare resources to allocate to the infrared monitoring terminal, the data collection center determines that the data collection center cannot allocate resources to the infrared monitoring terminal; if the data collection center is determined to be capable of distributing resources to the infrared monitoring terminal, the data collection center reserves resources A for the infrared monitoring terminal; it will be understood by those skilled in the art that "reserving" resources means leaving a portion of the time-frequency resources available to the infrared monitoring terminal, and the data collection center cannot reallocate the resources to other terminals until the infrared monitoring terminal uses the reserved resources to transmit data to the data collection center, or the data collection center determines that the infrared monitoring will no longer use the reserved resources for other reasons; the data collection center sends a resource indication A to the infrared monitoring terminal, wherein the resource indication A indicates the reserved resource A to the infrared monitoring terminal; if the resource indication A is not received correctly, the infrared monitoring terminal sends a transmission resource request A1 to the data collection center, wherein the transmission resource request A1 comprises a predetermined identifier A; in one embodiment, the failure to correctly receive the resource indication a means that the information in the resource indication a cannot be correctly decoded, and in one embodiment, the failure to correctly receive the resource indication a means that the resource indication a is not received;
after receiving the transmission resource request a1, the data collection center releases the reserved resource a, and the data collection center reserves resource a1 for the infrared monitoring terminal; in contrast to the conventional technique, since the transmission resource request includes the predetermined identifier, the data collection center can know whether the currently received transmission resource request is a retransmission of the original transmission resource request or a transmission resource request for new data. Thus, the data collection center can more effectively call the resources, for example, if the transmission resource request received by the data collection center is a retransmission of the original transmission resource request, the resource a reserved at the beginning will not receive any data, and therefore the data collection center can immediately allocate the resource a to other data transmission, and if the transmission resource request received by the data collection center is a transmission resource request for new data, the data collection center expects to receive data on the resource a, and therefore the resource a is not released at this time, and therefore, the problem of blind resource reservation in the conventional technology is avoided;
the data collection center sends a resource indication a1 to the infrared monitoring terminal, wherein the resource indication a1 indicates the reserved resource a1 to the infrared monitoring terminal.
In a preferred embodiment, the infrared imaging monitoring and warning method further comprises: after correctly receiving the resource indication a1, the infrared monitoring terminal sends the size of the data segment a to the data collection center using the reserved resource a 1; the infrared monitoring terminal receives a data resource indication A sent by a data collection center, wherein the data resource indication A is sent by the data collection center in response to receiving the size of the data segment A; and the infrared monitoring terminal sends the data segment A to the data collection center by using the resource indicated by the data resource indication A.
In a preferred embodiment, the infrared imaging monitoring and warning method further includes: if the data collection center is determined to be incapable of distributing resources to the infrared monitoring terminal, the data collection center sends a transmission refusing message A to the infrared monitoring terminal; if the transmission refusing message A is not received correctly, the infrared monitoring terminal sends a transmission resource request A1 to the data collection center, wherein the transmission resource request A1 comprises a predetermined identifier A; in one embodiment, the failure to receive the transmission-denied message a means that the information in the transmission-denied message a cannot be decoded correctly, and in one embodiment, the failure to receive the transmission-denied message a means that the transmission-denied message a has not been received; after receiving the transmission resource request A1, the data collection center determines that the infrared monitoring terminal does not correctly receive the transmission refusal message A; in contrast to the conventional art, since the transmission resource request includes the predetermined identifier, the data collection center can know that the transmission rejection message a previously sent by the data collection center was not correctly received. If the predetermined identifier is lacked, the data collection center sends a transmission refusing message, and if the transmission resource request is received again, the data collection center cannot judge whether the transmission resource request received again is a retransmitted transmission resource request or a newly sent transmission resource request, so that corresponding operation cannot be performed in time; after determining that the infrared monitoring terminal does not correctly receive the transmission refusing message A, the data collection center broadcasts a transmission refusing message A1; in one embodiment, because the data collection center cannot provide service for the infrared monitoring terminal and the transmission quality between the data collection center and the infrared monitoring terminal is poor, and the message should be informed to the infrared monitoring terminal as soon as possible for monitoring timeliness, when the transmission refusing message is retransmitted, the broadcast mode is selected, which prevents the problem of retransmission message retransmission error; after receiving the transmission refusal message a1, the infrared monitoring terminal sends a transmission resource request to another data collection center.
In a preferred embodiment, the infrared imaging monitoring and warning method further includes:
the data collection center receives a transmission resource request B sent by the infrared monitoring terminal, wherein the transmission resource request B comprises a preset identifier B;
after receiving transmission resource request B, the data collection center determines whether the data collection center received a transmission resource request for data packet a before receiving transmission resource request B for data packet B; in one embodiment, the infrared monitoring terminal is configured to have to transmit a transmission resource request for data packet a first and then (irrespective of whether a resource indication is received) to be able to transmit a transmission resource request for data packet B; if the data collection center receives the transmission resource request aiming at the data packet B at first, the data collection center can know that the transmission resource request aiming at the data packet A is missed by the data collection center;
if the data collection center is determined not to receive the transmission resource request for the data packet A before receiving the transmission resource request B for the data packet B, the data collection center reserves 2 the resource B and the resource A for the infrared monitoring terminal; in the step, because the design of the invention enables the data collection center to know that the data collection center misses a transmission resource request aiming at the data packet A, the data collection center can actively allocate transmission resources aiming at the data packet A to the infrared monitoring terminal, so that even if the data collection center misses a transmission resource request aiming at the data packet A, the actually displayed effect is that the data collection center seems not to miss related messages, and the transmission efficiency is improved;
the data collection center sends a joint resource indication B to the infrared monitoring terminal, wherein the joint resource indication B comprises an indication of a reserved resource B and a reserved resource A2;
after correctly receiving the joint resource indication B, the infrared monitoring terminal transmits the size of the data segment B to the data collection center using the reserved resource B, and the infrared monitoring terminal transmits the size of the data segment a to the data collection center using the reserved resource a 2.
In a preferred embodiment, the infrared imaging monitoring and warning method further includes: after receiving the size of the data segment B, the data collection center sends a data resource indication B to the infrared monitoring terminal; after receiving the size of the data segment A, the data collection center sends a data resource indication C to the infrared monitoring terminal; the infrared monitoring terminal sends a data segment B to the data collection center by using the resource indicated by the data resource indication B; and the infrared monitoring terminal sends the data segment A to the data collection center by using the resource indicated by the data resource indication C.
The foregoing description of specific exemplary embodiments of the invention has been presented for the purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (9)
1. An infrared imaging monitoring and early warning method, characterized in that the method comprises:
the method comprises the following steps that an infrared monitoring terminal monitors infrared data of equipment;
the infrared monitoring terminal receives data transmission configuration sent by the data collection center;
the infrared monitoring terminal divides the infrared data into a plurality of data segments based on the data transmission configuration, wherein each data segment in the plurality of data segments is assigned with a predetermined identifier, and the length of the predetermined identifier is associated with the number of the plurality of data segments;
the infrared monitoring terminal sends a transmission resource request to the data collection center, wherein the transmission resource request comprises the preset identifier;
the infrared monitoring terminal receives a resource indication sent by a data collection center, wherein the resource indication is sent by the data collection center in response to receiving the transmission resource request;
the infrared monitoring terminal sends the size of the data segment to the data collection center by using the resource indicated by the resource indication;
the infrared monitoring terminal receives a data resource indication sent by the data collection center;
and the infrared monitoring terminal sends the data segments to the data collection center by using the resources indicated by the data resource indication.
2. The method of claim 1, wherein the data transmission configuration includes an indication of a first number of segments of the infrared data; wherein the first number is determined based on the function of the infrared monitoring terminal;
the dividing, by the infrared monitoring terminal, the infrared data into a plurality of data segments based on the data transmission configuration specifically includes:
the infrared monitoring terminal divides the infrared data into a first number of data segments based on a first number of segments of the infrared data indicated by the data transmission configuration.
3. The method of claim 2, wherein the first number is 3;
the infrared monitoring terminal divides the infrared data into a data segment A, a data segment B and a data segment C based on the first number of segments of the infrared data indicated by the data transmission configuration being 3;
after the infrared data are divided into a data segment A, a data segment B and a data segment C, the infrared monitoring terminal assigns a predetermined identifier A to the data segment A, assigns a predetermined identifier B to the data segment B and assigns a predetermined identifier C to the data segment C, wherein the predetermined identifier A, the predetermined identifier B and the predetermined identifier C have a sequence.
4. The method of claim 3, wherein the method further comprises:
after a preset identifier is distributed to a data segment, an infrared monitoring terminal sends a transmission resource request A to the data collection center, wherein the transmission resource request A comprises the preset identifier A;
after receiving the transmission resource request A, the data collection center determines whether the data collection center can allocate resources to the infrared monitoring terminal;
if the data collection center is determined to be capable of distributing resources to the infrared monitoring terminal, the data collection center reserves a resource A for the infrared monitoring terminal;
a data collection center sends a resource indication A to the infrared monitoring terminal, wherein the resource indication A indicates the reserved resource A to the infrared monitoring terminal;
if the resource indication A is not received correctly, the infrared monitoring terminal sends a transmission resource request A1 to the data collection center, wherein the transmission resource request A1 comprises the predetermined identifier A;
after receiving the transmission resource request A1, the data collection center releases the reserved resource A, and the data collection center reserves resource A1 for the infrared monitoring terminal;
the data collection center sends a resource indication A1 to the infrared monitoring terminal, wherein the resource indication A1 indicates the reserved resource A1 to the infrared monitoring terminal.
5. The method of claim 4, wherein the method further comprises:
after correctly receiving the resource indication a1, the infrared monitoring terminal uses the reserved resource a1 to send the size of the data segment a to the data collection center;
the infrared monitoring terminal receives a data resource indication A sent by a data collection center, wherein the data resource indication A is sent by the data collection center in response to receiving the size of the data segment A;
and the infrared monitoring terminal sends the data segment A to the data collection center by using the resource indicated by the data resource indication A.
6. The method of claim 5, wherein the method further comprises:
if the data collection center is determined to be incapable of distributing resources to the infrared monitoring terminal, the data collection center sends a transmission refusing message A to the infrared monitoring terminal;
if the transmission refusing message A is not received correctly, the infrared monitoring terminal sends a transmission resource request A1 to the data collection center, wherein the transmission resource request A1 comprises the predetermined identifier A;
after receiving the transmission resource request A1, the data collection center determines that the infrared monitoring terminal does not correctly receive the transmission refusing message A;
after determining that the infrared monitoring terminal does not correctly receive the transmission refusing message A, the data collection center broadcasts a transmission refusing message A1;
after receiving the transmission refusal message a1, the infrared monitoring terminal sends a transmission resource request to another data collection center.
7. The method of claim 6, wherein the method further comprises:
the data collection center receives a transmission resource request B sent by an infrared monitoring terminal, wherein the transmission resource request B comprises the predetermined identifier B;
after receiving the transmission resource request B, the data collection center determines whether the data collection center received a transmission resource request for data packet a before receiving a transmission resource request B for data packet B;
if it is determined that the data collection center does not receive a transmission resource request for data packet a before receiving a transmission resource request B for data packet B, the data collection center reserves resource B and resource a2 for the infrared monitoring terminal;
the data collection center sends a joint resource indication B to the infrared monitoring terminal, wherein the joint resource indication B comprises an indication of a reserved resource B and a reserved resource A2;
after correctly receiving the joint resource indication B, the infrared monitoring terminal sends the size of data segment B to the data collection center using the reserved resource B, and the infrared monitoring terminal sends the size of data segment a to the data collection center using the reserved resource a 2.
8. The method of claim 7, wherein the method further comprises:
after receiving the size of the data segment B, the data collection center sends a data resource indication B to the infrared monitoring terminal;
after receiving the size of the data segment A, the data collection center sends a data resource indication C to the infrared monitoring terminal;
the infrared monitoring terminal sends a data segment B to the data collection center by using the resource indicated by the data resource indication B;
and the infrared monitoring terminal sends the data segment A to the data collection center by using the resource indicated by the data resource indication C.
9. An infrared imaging monitoring and pre-warning system, characterized in that the system is configured to perform the method of one of claims 1-9.
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