Monitoring system and method for timeliness information of vehicle body glue

Abstract

The invention belongs to the technical field of vehicle safety monitoring, and particularly relates to a monitoring system and method for timeliness information of vehicle body glue, the monitoring system comprises a vehicle body and a cementing layer arranged at the splicing position of the vehicle body, and the monitoring system comprises an information acquisition module, a data collection and storage module, a data analysis and processing module and a vehicle alarm module; wherein the information acquisition module comprises a conducting wire harness which is connected in the cementing layer in a penetrating manner; the monitoring method comprises the following steps: step 1, wire harness installation; step 2, wire harness connection; step 3, dynamic monitoring; 4, collecting and storing data; 5, analyzing and processing data; and step 6, vehicle alarm. According to the invention, the glue joint structure can be reinforced by using the conductive wire harness, and meanwhile, the form change of the cementing layer is monitored, so that damage positioning, damage monitoring and timeliness monitoring are carried out on the cementing layer, a user is prompted, the driving safety of the vehicle is ensured, and the overall structural stability of the vehicle is maintained in time.

Description

Technical Field

[0001] The invention belongs to the technical field of vehicle safety monitoring, and in particular relates to a monitoring system and method for vehicle body glue timeliness information. Background Art

[0002] Lightweighting of automobile bodies is an important way to achieve energy conservation and emission reduction and improve vehicle performance, and it is also one of the trends in the development of the automobile industry in the future. At present, great improvements have been made in body materials, body structures and connection methods to achieve this goal; among them, body materials generally use materials with guaranteed structural strength and relatively low density to replace traditional steel materials, including high-strength steel, aluminum alloy, magnesium alloy, carbon fiber and other materials; the body structure optimizes the body structure parameters by adopting advanced optimization design methods and technical means, removes redundant parts of parts and realizes walling, hollowing, miniaturization and composite; and the body connection method has also gradually changed from traditional welding to adhesive bonding.

[0003] Although the bonding method achieves the goal of lightweighting the vehicle, it also has problems such as low peel strength, difficulty in joint quality inspection, and great environmental impact. It should also be noted that the bonded joint is the weakest link in the bonded structure and even the entire vehicle body.

[0004] Automobiles are products that are used for a long time, and their safety is an important indicator that people pay attention to. How to ensure the safe and reliable operation of the new material bonding structure used in the lightweighting of the car body has become a difficulty in engineering applications. In order to achieve damage location, damage monitoring and timeliness monitoring of the automobile body bonding structure, monitor the driving safety of the vehicle, and ensure the safety and reliability of the bonding structure, the present invention provides a monitoring system and method for the timeliness information of the car body glue. Summary of the invention

[0005] The purpose of the present invention is to provide a monitoring system and method for the timeliness information of vehicle body glue, which can use the conductive wiring harness to reinforce the bonding structure, and at the same time realize the monitoring of the morphological changes of the bonding layer, and then perform damage location, damage monitoring and timeliness monitoring, and prompt the user to ensure the safety of vehicle driving and timely maintain the overall structural stability of the vehicle.

[0006] The technical solution adopted by the present invention is as follows: A monitoring system for vehicle body adhesive timeliness information, comprising a vehicle body and an adhesive layer arranged at the joint of the vehicle body, the monitoring system comprising an information acquisition module, a data collection and storage module, a data analysis and processing module and a vehicle alarm module; The information acquisition module includes a conductive wire harness that penetrates the adhesive layer, and the two ends of the conductive wire harness are connected to the body components on both sides of the body joint through a fixing mechanism, so as to reinforce the joint and monitor the deformation state of the adhesive layer at the same time. The conductive wire harness is arranged in an array in the adhesive layer and connected to an acquisition bus at both ends, and the acquisition bus is used to connect to the body bus to transmit monitoring data; The data collection and storage module is used to receive the monitoring data, and send and store it after screening; The data analysis and processing module receives the monitoring data screened by the data collection and storage module to perform location, damage, and aging analysis of the cementing layer, and provides information feedback and early warning when necessary; The vehicle alarm module is used to alarm and broadcast alarm information to the driver when necessary, and at the same time use the data analysis and processing module to feed back information to the vehicle networking platform to contact the car owner.

[0007] As a preferred solution, the fixing mechanism includes a positioning and mounting groove integrally formed on the vehicle body component, a positioning terminal adapted to the positioning and mounting groove, and a clustering end fixedly mounted on the bottom surface of the positioning terminal, and the two ends of the conductive wiring harness are respectively connected to two groups of clustering ends arranged oppositely.

[0008] As a preferred solution, two groups of the conducting wire bundles are arranged between the adhesive layers, wherein the two groups of the conducting wire bundles are arranged crosswise or in parallel.

[0009] As a preferred solution, the conductive wire harness is made of a memory alloy material, which can be stretched and compressed following the morphological changes of the bonding layer and affect the conductivity.

[0010] As a preferred solution, the shape memory alloy material is one or both of Fe-Mn-Si shape memory alloy and NiTi shape memory alloy.

[0011] As a preferred solution, the information acquisition module collects the conductive data fed back by the acquisition bus at each joint by being provided with a data acquisition unit, and the acquisition bus collects the current changes of the conductive wire bundle caused by the changes in the morphology of the bonding layer.

[0012] As a preferred solution, the data collection and storage module includes a data receiving unit, a data screening unit, a data storage unit and a data sending unit, wherein the receiving unit is used to receive the data information fed back by the data acquisition unit, and perform preliminary screening of the data through the data screening unit, eliminate the data information belonging to the normal range, store the abnormal data information through the data storage unit, and transmit the data to the data analysis and processing module by using the data sending unit.

[0013] As a preferred solution, the data information storage method of the data storage unit is local storage, cloud storage and vehicle network data storage, wherein the cloud storage and the vehicle network storage are transmitted through the vehicle network, and the local storage stores the data information in the vehicle system and clears it regularly.

[0014] As a preferred scheme, the data analysis and processing module includes a positioning unit, an aging assessment unit, a damage assessment unit, an information feedback unit and an early warning unit. The positioning unit is used to locate the abnormal data position according to the number information at the splicing position of the bonding layer. The aging assessment unit and the damage assessment unit are used to analyze the conductivity change of the information acquisition module according to the existing data information, and then analyze the morphological changes of the conductive wiring harness and the bonding layer according to the conductivity change. The aging information and damage information are analyzed through the morphological change, and the aging information is compared with the rated aging information.

[0015] A monitoring method for vehicle body adhesive timeliness information, applied to the above-mentioned monitoring system for vehicle body adhesive timeliness information, comprises the following steps: Step 1: Wire harness installation: Use a fixing mechanism to fix the two ends of the conductive wire harness to the body components on both sides of the body joint, then fill glue between the body components on both sides of the body joint to form a bonding layer, so that the conductive wire harness is in a taut state, and at the same time connect the collection bus at both ends of the conductive wire harness; Step 2: Wire harness connection: After the vehicle body is assembled, the conducting wire harness is connected to the vehicle body bus using the acquisition bus to monitor the conductivity of the location; Step 3: Dynamic monitoring: During the driving process of the vehicle, the joints of the vehicle body are subjected to external impacts, and the adhesive layer is constantly squeezed and deformed. At the same time, the conductive wire harness inserted inside it is also constantly stretched and retracted as the state of the adhesive layer changes. During the stretching process, its resistance changes continuously, and then the conductivity changes. The dynamic change of the adhesive layer is displayed through the change of conductivity to determine its aging degree and feasibility information; Step 4: Data collection and storage: The resistance change and current change data of the conductive wiring harness are collected by the information collection module and transmitted to the data collection and storage module, and then stored after preliminary screening by the data collection and storage module; Step 5: Data analysis and processing: After the data collection and storage module preliminarily screens the monitoring data, it will be transmitted to the data analysis and processing module, which will analyze the resistance and current changes to obtain the changes in conductivity, and then determine the morphological changes of the cementing layer based on the changes in conductivity, and compare and analyze with the set interval threshold to obtain normal, general, abnormal and special abnormal information, and at the same time, determine the timeliness information of the splicing positions with different numbers by comparing with the preset information, and compare the timeliness information with the rated timeliness information, and transmit the comparison results to the vehicle system; Step 6. Vehicle alarm: After the data analysis and processing module obtains abnormal and special abnormal information, the vehicle alarm module will be activated to alarm and report the alarm information to the driver. At the same time, the data analysis and processing module will be used to feed back the information to the Internet of Vehicles platform to contact the car owner and promptly transmit the vehicle abnormal information for timely maintenance.

[0016] The technical effects achieved by the present invention are: The present invention cooperates with positioning terminals, clustering terminals and conducting wire harnesses to fixedly connect the two ends of the conducting wire harnesses to the body components on both sides of the body joint, and fills a bonding layer so that the conducting wire harnesses are inserted into the bonding layer and are in a taut state. The joints of the body can be reinforced, the firmness of the splicing positions can be enhanced, and the stability and safety of the vehicle structure can be improved while ensuring the lightweight of the body.

[0017] By inserting the conductive wiring harness in the adhesive layer, when the adhesive layer is continuously squeezed and deformed during the driving of the vehicle, the conductive wiring harness inserted therein also continuously stretches and retracts following the state change of the adhesive layer. During the stretching process, its resistance continuously changes, thereby causing a change in conductivity. The dynamic change of the adhesive layer is displayed through the change in conductivity, so as to judge its aging degree and feasibility information, and its positioning feedback is given to the driver and the Internet of Vehicles platform to ensure driving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a structural schematic diagram of a vehicle body in an embodiment of the present invention; Figure 2 is a schematic diagram of the structure of a monitoring system in an embodiment of the present invention; Figure 3 is a structural schematic diagram of the body splicing position in an embodiment of the present invention; Figure 4 The present invention Figure 3perspective drawing; Figure 5 The present invention Figure 3 Exploded diagram of Figure 6 is a schematic structural diagram of one combination of the conducting wiring harness in an embodiment of the present invention; Figure 7 is a perspective view of a vehicle body splicing position in another embodiment of the present invention; Figure 8 The present invention Figure 7 Exploded diagram of Fig. 9 It is a schematic structural diagram of another combination of the conductive wiring harness in another embodiment of the present invention.

[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1. Car body; 11. Positioning installation slot; 2. Cementing layer; 3. Information collection module; 31. Positioning terminal; 32. Bundling terminal; 33. Conducting wire harness; 34. Collection bus; 4. Data collection and storage module; 5. Data analysis and processing module; 6. Vehicle alarm module. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the present invention, and does not strictly limit the scope of protection of the specific claims of the present invention.

[0021] like Figure 1-Figure 9 As shown, a monitoring system for vehicle body glue time-effectiveness information includes a vehicle body 1 and a bonding layer 2 arranged at the joint of the vehicle body 1. The monitoring system includes an information acquisition module 3, a data collection and storage module 4, a data analysis and processing module 5 and a vehicle alarm module 6, which are used to monitor the damage state of the bonding layer 2, realize its positioning, damage, and time-effectiveness analysis, and provide information feedback and early warning when necessary.

[0022] The vehicle body 1 may be made of one or more of carbon fiber composite materials, glass fiber composite materials, aluminum alloy or high-strength steel. In this embodiment, the material of the vehicle body 1 is aluminum alloy.

[0023] See attached Figure 1-Figure 4The information acquisition module 3 includes a conductive wiring harness 33 that penetrates the bonding layer 2. The two ends of the conductive wiring harness 33 are fixed to the body components on both sides of the joint of the body 1, so as to strengthen the joint and monitor the deformation state of the bonding layer 2. At the same time, the conductive wiring harness 33 is arranged in an array in the bonding layer 2, which can concentrate the wiring harness and enhance the structural strength. The two ends are connected with an acquisition bus 34, which can synchronously collect all the resistance and current information of a group of conductive wiring harnesses 33, so as to amplify the data signal, make the data change range larger, and facilitate comparison. At the same time, the acquisition bus 34 is used to connect with the body bus to transmit the monitoring data.

[0024] The vehicle body bus may select a CAN bus or a LIN bus as required. In this embodiment, the CAN bus is selected to ensure reliability and real-time performance and to improve monitoring efficiency and accuracy.

[0025] See attached Figure 3-Figure 6 In order to fix the conductive wire harness 33 with the vehicle body 1, the vehicle body 1 has an integrally formed positioning and mounting groove 11 on the vehicle body components at the joints of the roof, the side panels and the floor. The positioning and mounting groove 11 is a stepped groove and is adapted thereto. A positioning terminal 31 and a cluster terminal 32 fixedly mounted on the bottom surface of the positioning terminal 31 are embedded and mounted therein. The two ends of the conductive wire harness 33 are respectively connected to two sets of cluster terminals 32 arranged opposite to each other, and the collection bus 34 is fixed on the top surface of the positioning terminal 31, so as to realize the fixed connection between the vehicle body components at the joints of the vehicle body 1 and the conductive wire harness 33.

[0026] Secondly, the positioning terminal 31 and the positioning mounting groove 11 are also connected by gluing, and glue is filled between the body components on both sides of the splicing point of the body 1 to form a bonding layer 2, so that the conductive wiring harness 33 is in a taut state, and the conductive wiring harness 33 is inserted in the bonding layer 2 to achieve reinforcement of the splicing position; at the same time, each splicing position is individually numbered for positioning and identification, and the collection bus 34 is connected at both ends of the conductive wiring harness 33. After the body 1 is assembled as a whole, the collection bus 34 is used to connect the conductive wiring harness 33 to the body bus to monitor the conductivity at that location.

[0027] Please refer to the attached Figure 4-Figure 6 In this embodiment, the conductive wire harness 33 is provided with two groups, and is arranged to cross each other (as shown in the attached Figure 6 ), this cross shape, using the principle of triangle stability, further improves the stability of the joint of the vehicle body 1 and gives full play to the structural characteristics of the conductive wiring harness 33.

[0028] Of course, please refer to the attached Figure 7-Figure 9 In another embodiment, the conductive wire harness 33 is also provided with two groups, but the two groups are vertically and parallelly arranged (as shown in the attached Fig. 9), this method is more convenient to install and can save materials. It can be selected according to needs in specific applications.

[0029] Furthermore, the conductive wiring harness 33 is made of a shape memory alloy material, which can be stretched and compressed following the morphological changes of the bonding layer 2 and affect the conductivity; when in use, one or two of the Fe-Mn-Si shape memory alloy and the NiTi shape memory alloy can be selected. In this embodiment, the NiTi shape memory alloy is selected, and the diameter can be selected according to needs. Specifications such as 0.25mm, 0.35mm and 0.45mm.

[0030] Among them, the resistivity of Fe-Mn-Si shape memory alloy and NiTi shape memory alloy increases with the increase of tensile strain. During the γ→ε martensite phase transformation, the increase in resistivity becomes larger and is consistent with the change law of the ε martensite content; and then, when it is continuously stretched and retracted following the state change of the bonding layer 2, its resistance changes continuously during the stretching process, and then the conductivity changes, so that the dynamic change of the bonding layer 2 is displayed by the change of conductivity, so as to judge its aging degree and feasibility information.

[0031] Furthermore, the glue of the adhesive layer 2 can be epoxy resin glue, polyurethane glue, acrylate glue, etc., and the thickness of the adhesive layer 2 is set according to the actual production standard to determine the length of the conductive harness 33.

[0032] See attached Figure 2 The information acquisition module 3 collects the conductive data fed back by the acquisition bus 34 at each joint by being provided with a data acquisition unit. The acquisition bus 34 collects the resistance change of the conductive harness 33 caused by the change in the morphology of the bonding layer 2 and the current change data generated thereby.

[0033] Among them, the data collection and storage module 4 includes a data receiving unit, a data screening unit, a data storage unit and a data sending unit, wherein the receiving unit is used to receive the data information fed back by the data acquisition unit, and perform preliminary screening on the data through the data screening unit, eliminate the data information belonging to the normal range, store the abnormal data information through the data storage unit, and transmit it to the data analysis and processing module 5 by using the data sending unit.

[0034] Among them, the data information storage methods of the data storage unit are local storage, cloud storage and vehicle network data storage. The cloud storage and vehicle network storage are transmitted through the vehicle network, and the local storage stores the data information in the vehicle system and cleans it up regularly.

[0035] Among them, the data analysis and processing module 5 includes a positioning unit, an aging evaluation unit, a damage evaluation unit, an information feedback unit and an early warning unit. The positioning unit is used to locate the abnormal data position according to the number information at the splicing position of the bonding layer 2. The aging evaluation unit and the damage evaluation unit are used to analyze the conductivity change of the information acquisition module 3 according to the existing data information, and then analyze the morphological change of the conductive wire harness 33 and the bonding layer 2 according to the conductivity change. The aging information and damage information are analyzed through the morphological change, and the aging information is compared with the rated aging information. The damage is divided into four intervals of normal, general, abnormal and particularly abnormal, and the analysis results are processed in different ways in different intervals: If it is in normal status, data information will only be transmitted to cloud storage and Internet of Vehicles database through the Internet of Vehicles to reduce the pressure on local storage.

[0036] If it is in a normal state, the positioning results, damage assessment results and time assessment results will be fed back to the vehicle system, and stored locally, in the cloud and in the Internet of Vehicles database at the same time, so that the car owner can view them in time.

[0037] If it is in an abnormal state, the positioning result, damage assessment result and timeliness assessment result are fed back to the vehicle system, and the vehicle alarm module 6 is used to issue an information prompt alarm, and provide maintenance and driving suggestions to facilitate users to perform vehicle maintenance in a timely manner, and store it locally, in the cloud, and in the vehicle network database; If it is in a particularly abnormal state, the positioning results, damage assessment results and time assessment results are fed back to the vehicle system, and the vehicle alarm module 6 is used to issue information prompt alarms and voice alarms. At the same time, the data analysis and processing module 5 is used to feed back information to the Internet of Vehicles platform to contact the car owner, and provide maintenance and driving suggestions to facilitate users to perform vehicle maintenance in a timely manner, and perform local storage, cloud storage, and Internet of Vehicles database storage.

[0038] like Figure 1-Figure 9 As shown, a method for monitoring the timeliness information of vehicle body glue is used to monitor the timeliness information of vehicle body glue to ensure safety, including the following steps: Step 1, wiring harness installation: use the body 1 to form an integral positioning installation groove 11 on the body components at the joints of the roof, side and floor, embed the positioning terminal 31 and the cluster terminal 32 fixedly installed on the bottom surface of the positioning terminal 31 inside, and connect the two ends of the conductive wire harness 33 to the two sets of cluster terminals 32 arranged oppositely, and fix the collection bus 34 on the top surface of the positioning terminal 31 to achieve a fixed connection between the body components at the joints of the body 1 and the conductive wire harness 33, then fill glue between the body components on both sides of the joints of the body 1 to form a bonding layer 2, so that the conductive wire harness 33 is in a taut state, and connect the collection bus 34 at both ends of the conductive wire harness 33.

[0039] Step 2: Harness connection: After the vehicle body 1 is assembled as a whole, the conducting harness 33 is connected to the vehicle body bus via the acquisition bus 34 to monitor the resistance and current data there, thereby forming a conductivity monitoring.

[0040] Step 3: Dynamic monitoring: During the driving process of the vehicle, the joints of the vehicle body 1 are subjected to external impacts, and the adhesive layer 2 is constantly squeezed and deformed. At the same time, the conductive wiring harness 33 inserted inside it is also constantly stretched and retracted following the state changes of the adhesive layer 2. During the stretching process, its resistance is constantly changing, and then the conductivity changes. The dynamic change of the adhesive layer 2 is displayed through the change in conductivity, so as to judge its aging degree and feasibility information, and simultaneously perform positioning.

[0041] Step 4, data collection and storage: The resistance change and current change data of the conductive wiring harness 33 are collected by the data collection unit in the information collection module 3, and transmitted to the data collection and storage module 4. The receiving unit receives the data information fed back by the data collection unit, and the data is preliminarily screened by the data screening unit to remove the data information belonging to the normal range, and the abnormal data information is stored through the data storage unit, and at the same time, the data sending unit is used to transmit it to the data analysis and processing module 5.

[0042] Step 5, data analysis and processing: After the data collection and storage module 4 preliminarily screens the monitoring data, it will be transmitted to the data analysis and processing module 5. The positioning unit is used to locate the abnormal data position according to the number information at the splicing position of the bonding layer 2. The aging evaluation unit and the damage assessment unit are used to analyze the conductivity change of the information acquisition module 3 according to the existing data information, and then analyze the morphological changes of the conductive wiring harness 33 and the bonding layer 2 according to the conductivity change. The aging information and damage information are analyzed through the morphological change, and the aging information is compared with the rated aging information. If the aging time is longer than the rated aging time, the rated aging time is selected as the analysis result. If it is shorter than the rated aging time, the analyzed aging time is selected as the analysis result. The damage is divided into four intervals: normal, general, abnormal and particularly abnormal. Different methods are used to process the analysis results in different intervals.

[0043] Step 6, vehicle alarm: After the data analysis and processing module 5 obtains abnormal and special abnormal information, the vehicle alarm module 6 will be activated to alarm and broadcast the alarm information to the driver. At the same time, the data analysis and processing module 5 will be used to feed back the information to the Internet of Vehicles platform to contact the car owner and promptly transmit the vehicle abnormal information for timely maintenance.

[0044] The above is only a preferred embodiment of the present invention. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the art unless otherwise specified and limited.

Claims

1. A monitoring system for the timeliness information of vehicle body glue, comprising a vehicle body (1) and a glue layer (2) arranged at a joint of the vehicle body (1), characterized in that: The monitoring system comprises an information collection module (3), a data collection and storage module (4), a data analysis and processing module (5) and a vehicle alarm module (6); The information acquisition module (3) comprises a conductive wire harness (33) inserted into the adhesive layer (2), the two ends of the conductive wire harness (33) being connected to the body components on both sides of the joint of the body (1) via a fixing mechanism, so that the joint is reinforced while the deformation state of the adhesive layer (2) is monitored, the conductive wire harness (33) is arranged in an array in the adhesive layer (2) and connected to an acquisition bus (34) at both ends, and the acquisition bus (34) is connected to the body bus to transmit monitoring data; The data collection and storage module (4) is used to receive the monitoring data, and send and store it after screening; The data analysis and processing module (5) receives the monitoring data screened by the data collection and storage module (4) to perform location, damage and aging analysis on the cementing layer (2), and provides information feedback and early warning when necessary; The vehicle alarm module (6) is used to sound an alarm and broadcast alarm information to the driver when necessary, and at the same time utilizes the data analysis and processing module (5) to feed back information to the Internet of Vehicles platform to contact the vehicle owner.

2. A monitoring system for vehicle body adhesive time-efficiency information according to claim 1, characterized in that: The fixing mechanism comprises a positioning installation groove (11) integrally formed on the vehicle body component, a positioning terminal (31) adapted to the positioning installation groove (11), and a clustering end head (32) fixedly mounted on the bottom surface of the positioning terminal (31), and two ends of the conductive wire harness (33) are respectively connected to two groups of the clustering end heads (32) arranged opposite to each other.

3. The monitoring system for vehicle body adhesive time-efficiency information according to claim 1, characterized in that: Two groups of the conductive wire bundles (33) are arranged between the adhesive layers (2), wherein the two groups of conductive wire bundles (33) are arranged crosswise or in parallel.

4. A monitoring system for vehicle body adhesive time-efficiency information according to claim 1, characterized in that: The conductive wire harness (33) is made of a memory alloy material and can be stretched and compressed following the morphological changes of the adhesive layer (2), thereby affecting the conductivity.

5. The monitoring system for vehicle body adhesive time-efficiency information according to claim 1, characterized in that: The memory alloy material is one or both of Fe-Mn-Si shape memory alloy and NiTi shape memory alloy.

6. The monitoring system for vehicle body adhesive time-efficiency information according to claim 1, characterized in that: The information acquisition module (3) collects the conductive data fed back by the acquisition bus (34) at each splicing point by means of a data acquisition unit, and the acquisition bus (34) collects the current changes of the conductive wire bundle (33) caused by the morphological changes of the adhesive layer (2).

7. A monitoring system for vehicle body adhesive time-efficiency information according to claim 6, characterized in that: The data collection and storage module (4) comprises a data receiving unit, a data screening unit, a data storage unit and a data sending unit, wherein the receiving unit is used to receive the data information fed back by the data collection unit, and to perform preliminary screening on the data through the data screening unit, to remove the data information belonging to the normal range, to store the abnormal data information through the data storage unit, and to transmit the data information to the data analysis and processing module (5) through the data sending unit.

8. The monitoring system for vehicle body adhesive time-efficiency information according to claim 7, characterized in that: The data information storage method of the data storage unit is local storage, cloud storage and vehicle network data storage, wherein the cloud storage and the vehicle network storage are transmitted through the vehicle network, and the local storage stores the data information in the vehicle system and clears it regularly.

9. The monitoring system for vehicle body adhesive time-efficiency information according to claim 1, characterized in that: The data analysis and processing module (5) comprises a positioning unit, an aging evaluation unit, a damage evaluation unit, an information feedback unit and an early warning unit. The positioning unit is used to locate the data abnormality position according to the number information at the splicing position of the bonding layer (2). The aging evaluation unit and the damage evaluation unit are used to analyze the conductivity change of the information acquisition module (3) according to the existing data information, and then analyze the morphological change of the conductive wire bundle (33) and the bonding layer (2) according to the conductivity change. The aging information and the damage information are analyzed through the morphological change, and the aging information is compared with the rated aging information.

10. A monitoring method for vehicle body adhesive timeliness information, applied to a monitoring system for vehicle body adhesive timeliness information as claimed in any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: installing the wiring harness: using a fixing mechanism to fix the two ends of the conducting wiring harness (33) to the body components on both sides of the joint of the body (1), and then filling glue between the body components on both sides of the joint of the body (1) to form a bonding layer (2), so that the conducting wiring harness (33) is in a taut state, and at the same time, the two ends of the conducting wiring harness (33) are connected to the collection bus (34); Step 2: wiring harness connection: after the vehicle body (1) is assembled as a whole, the conducting wiring harness (33) is connected to the vehicle body bus by using the acquisition bus (34) to monitor the conductivity at that location; Step 3: Dynamic monitoring: During the driving process of the vehicle, the joint of the vehicle body (1) is subjected to external impact, and the adhesive layer (2) is continuously squeezed and deformed. At the same time, the conductive wire harness (33) inserted inside it is also continuously stretched and retracted following the state change of the adhesive layer (2). During the stretching process, its resistance is continuously changed, and then the conductivity changes. The dynamic change of the adhesive layer (2) is displayed through the change of conductivity, so as to judge its aging degree and feasibility information; Step 4: Data collection and storage: The resistance change and current change data of the conductive wiring harness (33) are collected by the information collection module (3) and transmitted to the data collection and storage module (4). The data collection and storage module (4) performs preliminary screening and then stores the data; Step 5, data analysis and processing: After the data collection and storage module (4) preliminarily screens the monitoring data, the data is transmitted to the data analysis and processing module (5), and the data analysis and processing module (5) is used to analyze the resistance and current changes to obtain the conductivity changes, and then the morphological changes of the cementing layer (2) are determined based on the conductivity changes, and compared with the set interval threshold to obtain normal, general, abnormal and special abnormal information, and at the same time, the timeliness information of the splicing positions with different numbers is determined by comparing with the preset information, and the timeliness information is compared with the rated timeliness information, and the comparison result is transmitted to the vehicle system; Step 6, vehicle alarm: After the data analysis and processing module (5) obtains abnormalities and special abnormalities, the vehicle alarm module (6) will be activated to alarm and broadcast the alarm information to the driver. At the same time, the data analysis and processing module (5) will feed back the information to the Internet of Vehicles platform to contact the car owner and promptly transmit the vehicle abnormality information for timely maintenance.

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