Production line system

Abstract

The invention discloses a production line system which comprises a transmission main line with transmission positions, a working area and a control module. The working areas comprise at least two types, the number of the front working areas in at least one group of two adjacent working areas is larger than that of the follow-up working areas, and each working area is provided with a plurality of stations which are sequentially arranged on one side of the corresponding transmission position in the transmission direction. At least one transmission position of which the side edge is not provided with the station is arranged in front of the first station of each working area and is used as a distribution position of the working area, and at least one transmission position of which the side edge is not provided with the station, which leads to the next working area and is used as a distribution position of the next working area, is arranged behind the last station of each working area; the control module preferentially distributes the to-be-processed products to the distribution positions corresponding to the working areas with the idle stations based on the processing sequence, and then dynamically distributes the to-be-processed products at the corresponding distribution positions to the corresponding idle stations according to the idle states of the stations in the working areas. The production efficiency can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of production line systems, and in particular to a production line system capable of improving efficiency. Background Art

[0002] In the prior art, the production line system usually has transmission positions arranged in series, and a station for processing is arranged on one side of the corresponding transmission position.

[0003] Take air conditioner production as an example. In the air conditioner production process, vacuuming and refrigerant filling are key steps to ensure the performance of the air conditioner. In the traditional method, this part of the production line system has about 30 transmission positions. The first 1-2 transmission positions are the allocation positions of the vacuuming area. Then, 19 vacuuming stations are arranged one by one on the side of the 19 transmission positions. Then, the next few transmission positions are the allocation positions of the refrigerant filling area. Then, about 7 or 8 filling area stations are arranged on the side of the next transmission position. The PLC used for control distributes the air conditioning system to each station in turn through each transmission position, and then each station is processed before moving on to the next work area.

[0004] The above work is usually completed by independent stations. Each station determines whether the to-be-processed product at its corresponding allocation position can be released to the next transmission position based on its idle status, or whether it needs to enter its own station. For the same type of stations, the stations on the front transmission position side have more processed materials, and the stations on the back transmission position side have fewer processed materials. Moreover, after the processing of the processing materials at the front stations is completed, it will also block the operation of the processing materials at the subsequent stations, resulting in inefficiency and waste of resources.

[0005] Therefore, how to provide a production line system with higher efficiency is a technical problem to be solved. Summary of the invention

[0006] In order to solve the technical problem of low efficiency of the production line system in the prior art, a production line system of the present invention is proposed.

[0007] The production line system proposed by the present invention comprises:

[0008] A transmission main line, having multiple transmission bits;

[0009] Work areas, the types of the work areas include at least two types that need to be processed in sequence, each type of work area has at least one, and there is at least one set of two adjacent work areas in which the number of preceding work areas is greater than the number of subsequent work areas, each of the work areas has a plurality of stations that are sequentially arranged on one side of a corresponding transmission position along a transmission direction, a first station of each of the work areas has at least one transmission position with no station configured on the side as an allocation position of the work area, and a last station of each of the work areas has at least one transmission position with no station configured on the side leading to the next type of work area and serving as an allocation position of the next type of work area;

[0010] The control module allocates the products to be processed to the allocation positions corresponding to the workspaces with idle stations in priority based on the processing order, and then dynamically allocates the products to be processed in the corresponding allocation positions to the corresponding idle stations according to the idle status of each station in the workspace.

[0011] Furthermore, the control module establishes a data structure and / or configuration register corresponding to each work area and its allocated position in units of a work area, and the station reads the corresponding data structure and / or the value in the register to release the product to be processed to the next transmission position, or releases the product to be processed to the station for processing, and modifies the corresponding data structure and / or the value of the register according to the current state of the station. The control module determines the idle work areas and stations according to the values ​​in the data structure and / or register and allocates them.

[0012] Furthermore, when there are multiple workspaces of the same type, the elements in the data structure corresponding to the workspace also include the allocation bit of the next workspace of the same type, and / or configure the corresponding register for the allocation bit of the next workspace of the same type.

[0013] Furthermore, for the same work area, the control module allocates idle stations according to the principle of proximity.

[0014] Furthermore, for a subsequent work area docking with a plurality of preceding work areas, the control module preferentially allocates the product to be processed on the allocation position of a preceding work area located upstream in the transmission direction for docking.

[0015] Furthermore, the data structure is an array or a table.

[0016] Furthermore, the state of the allocation position is an identification code corresponding to an empty material state, or an identification code of a station or allocation position to which the product to be processed is allocated.

[0017] Furthermore, the status of the station is an identification code corresponding to an empty material status, a processing status, a discharging status, and a discharging completion status.

[0018] Furthermore, there are two types of production areas, and the number of the preceding working areas is two, and the number of the subsequent working areas is one.

[0019] Furthermore, the allocation bit of the first and second preceding working zones is one and is adjacent to the transmission bit corresponding to the first station in the corresponding working zone. The allocation bit of the second preceding working zone and the two allocation bits of the subsequent working zone are adjacent to the transmission bit corresponding to the last station in the corresponding preceding working zone. The two allocation bits of the subsequent working zone are adjacent to the working bit corresponding to its first station.

[0020] Furthermore, the production line system is a vacuuming and filling production line system, the preceding working area is a vacuuming area, the subsequent working area is a refrigerant filling area, and the product to be processed is an air conditioning system.

[0021] The present invention reduces the waiting time of products to be processed on the production line by dynamically allocating stations. The allocation strategy optimized by the control module ensures the full utilization of stations and reduces the waste of energy and materials. Real-time data collection and monitoring improve the transparency of the production process and facilitate quality control and fault diagnosis. The system can adjust the test plan according to real-time data, thereby improving the ability to respond to emergencies. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention is described in detail below with reference to the embodiments and accompanying drawings, wherein:

[0023] Figure 1 It is a schematic diagram of the layout of a production line according to an embodiment of the present invention.

[0024] Figure 2 It is a schematic diagram of the data change process of allocating a material in the prior art.

[0025] Figure 3 It is a schematic diagram of the data change process of allocating three materials in the prior art.

[0026] Figure 4 It is a schematic diagram of the data change process of allocating a material in the present invention.

[0027] Figure 5 It is a schematic diagram of the data change process of allocating three materials in the present invention.

[0028] Description of reference numerals:

[0029] 1. The first vacuum pumping area; 2. The second vacuum pumping area; 3. The refrigerant filling area; 4. The main transmission line; 11. The distribution position; 12. The vacuum pumping station; 31. The first filling distribution position; 32. The second filling distribution position; 33. The refrigerant filling station. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0031] Thus, a feature indicated in this specification will be used to illustrate one of the features of an embodiment of the present invention, rather than implying that each embodiment of the present invention must have the described feature. In addition, it should be noted that this specification describes many features. Although some features can be combined together to illustrate possible system designs, these features can also be used in other combinations that are not explicitly described. Thus, unless otherwise stated, the described combinations are not intended to be limiting.

[0032] The production line system of the present invention comprises a transmission main line, a work area and a control module.

[0033] The transmission main line has a plurality of transmission bits.

[0034] The types of working areas are divided according to the processing steps. The types of working areas of the present invention include at least two types that need to be processed in sequence.

[0035] For example, in lens processing, the types of work areas can be divided into rough cutting work area, primary cleaning work area, grinding work area, and secondary cleaning work area. Another example is the vacuuming and refrigerant filling of the air-conditioning system, the types of work areas can be divided into vacuuming work area and refrigerant filling work area.

[0036] There is at least one working area of ​​each type, and there is at least one set of two adjacent working areas in which the number of preceding working areas is greater than the number of subsequent working areas.

[0037] Taking lens processing as an example, the number of rough cutting work area, primary cleaning work area, grinding work area, and secondary cleaning work area are 1, 2, 2, and 1 respectively. Then the lens processing production line has a set of two adjacent work areas, namely grinding work area and secondary cleaning work area, and their number satisfies that the number of grinding work areas is greater than the number of secondary cleaning work areas.

[0038] Taking the vacuuming and refrigerant filling of the air conditioning system as an example, two vacuuming areas can be set to correspond to one refrigerant filling area, so there is a set of two adjacent work areas in which the number of preceding work areas is greater than the number of subsequent work areas. Usually, this is because the time spent on the processing of the stations in the preceding work area is greater than the processing time of the stations in the subsequent work area, so the number of preceding work areas is greater than the number of subsequent work areas, which can effectively improve production efficiency.

[0039] Each work area has a plurality of stations arranged in sequence on one side of the corresponding transmission position along the transmission direction. For example, a rough cutting work area has two rough cutting stations corresponding to two transmission positions, and a one-time cleaning work area has five cleaning stations corresponding to five transmission positions. For another example, a vacuuming area has four vacuuming stations corresponding to four transmission positions. A refrigerant filling area has four filling stations corresponding to four transmission positions.

[0040] There is at least one transmission bit of an unconfigured station on the side in front of the first station of each working area as the allocation bit of the working area, and there is at least one transmission bit of an unconfigured station on the side behind the last station of each working area, which leads to the next working area and serves as the allocation bit of the next working area.

[0041] For example, the first 1-2 transmission positions of the first vacuum zone can be used as the allocation positions of the vacuum zone. The first 1-2 transmission positions of the second vacuum zone can be used as the allocation positions of the second vacuum zone, and the allocation positions of the second vacuum zone are not the transmission positions corresponding to the vacuum stations of the first vacuum zone. In addition to being able to go to the allocation positions of the second vacuum zone, the transmission position of the last vacuum station in the first vacuum zone can also go to the allocation positions of the refrigerant perfusion zone. In other words, there are two branches after the transmission position of the last vacuum station in the first vacuum zone, one to the second vacuum zone and the other to the refrigerant perfusion zone. As for the second vacuum zone, the transmission position corresponding to the last station in the second vacuum zone can only lead to another allocation position in the refrigerant perfusion zone.

[0042] The control module allocates the products to be processed to the allocation positions corresponding to the workspaces with idle stations based on the processing order, and then dynamically allocates the products to be processed in the corresponding allocation positions to the corresponding idle stations according to the idle status of each station in the workspace.

[0043] Through the above technical solution, the present invention divides the work area with relatively short time consumption and large number of stations into multiple areas, each of which is connected with the subsequent type of work area, and through dynamic allocation, the production efficiency of the production line is improved.

[0044] In one embodiment, the control module establishes a data structure and / or configuration register corresponding to each workspace and its allocated position based on a workspace as a unit. Each station reads the corresponding data structure and / or the value in the register to release the product to be processed to the next transmission position, or releases the product to be processed to the station for processing, and modifies the corresponding data structure and / or the value of the register according to the current state of the station. The control module determines the idle workspaces and stations according to the values ​​in the data structure and / or register and allocates them.

[0045] For example, the control module can establish three arrays based on two vacuum zones and one refrigerant injection zone. When the air-conditioning system currently located at the allocation position of the first vacuum zone is to be allocated to the first station of the second vacuum zone, the first value of the first array can be modified and the identification code corresponding to the allocation position of the second vacuum zone can be written. Then the allocation position of the first vacuum zone will release the air-conditioning system and enter the transmission position corresponding to the first station of the first vacuum zone. After release, the first value of the first array will be changed to 0, and the second value of the first array will be changed to the identification code corresponding to the allocation position of the second vacuum zone (modified by PLC). The operation is repeated until the air-conditioning system reaches the allocation position of the second vacuum zone. At this time, the value of the element of the array corresponding to the allocation position is exactly the identification code of the allocation position, and the control module starts to select the idle station of the second vacuum zone for allocation.

[0046] Through the above method, the management of each station is very transparent and error-prone.

[0047] In a further embodiment, when there are multiple workspaces of the same type, the element in the data structure corresponding to the workspace further includes the allocation bit of the next workspace of the same type, and / or configures a corresponding register for the allocation bit of the next workspace of the same type. By associating the allocation bit of the next workspace of the same type with the previous workspace, the allocation of stations of the same workspace is facilitated.

[0048] In one embodiment, for the same work area, the control module allocates idle stations according to the principle of proximity. For example, if both the first vacuum area and the second vacuum area have idle vacuum stations, the idle vacuum stations in the first vacuum area are allocated first. For example, if there are two idle vacuum stations in the first vacuum area, the nearest idle vacuum station is selected for allocation based on their distances from the allocation positions of the first vacuum area to improve production efficiency.

[0049] In one embodiment, for a subsequent work area docking with a plurality of preceding work areas, the control module preferentially allocates the product to be processed to be docked at an allocation position of a preceding work area located upstream in the transmission direction.

[0050] Taking two vacuuming areas and one refrigerant filling area as an example, the refrigerant filling area has two allocation positions, one is used to receive the air-conditioning system that has been vacuumed in the first vacuuming area, for the convenience of expression, it is called the first allocation position, and the other is used to receive the air-conditioning system that has been vacuumed in the second vacuuming area, called the second allocation position. When there are air-conditioning systems to be allocated at both the first and second allocation positions, the control module gives priority to allocating the air-conditioning system at the first allocation position to the refrigerant filling area to avoid blockage of the transmission line in the first vacuuming area, so as to improve production efficiency.

[0051] In one embodiment, the data structure is an array or a table. An array is preferred for ease of operation. In one embodiment, the control module configures corresponding registers for each station for recording, but the program control inside the control module uses an array or other data format to read and store the register value.

[0052] In one embodiment, the identification code corresponding to the empty material state, or the identification code of the station or allocation position to which the product to be processed is allocated.

[0053] For example, when there is no product to be processed at the current allocation position, the state of the allocation position may be 0; when there is a product to be processed that needs to be allocated to the first station at the current allocation position, the state of the allocation position may be 1.

[0054] By managing the status of the allocation position, the situation of each work position on the production line is made very transparent, which is convenient for controller management and allocation.

[0055] In one embodiment, the status of the station is an identification code corresponding to an empty state, a processing state, a discharging state, and a discharging completion state.

[0056] By managing the status of each station, the situation of each workstation on the production line is made very transparent, which is convenient for controller management and allocation.

[0057] In a specific embodiment, the production area is divided into two types, and the number of the preceding work areas is two, and the number of the succeeding work areas is one. One side of the first transmission position of the succeeding work area needs to be docked with the platform, and the other side needs to be docked with the transmission position of the subsequent platform, so the other two sides can be respectively provided with distribution positions for docking the products to be processed that have been processed by the two preceding work areas, so this number of matching relationships can make the degree of matching between the preceding work area and the succeeding work area the highest. Of course, multiple distribution areas of the succeeding work area can also be installed on a disc to achieve docking with the transmission position of its first platform, so as to achieve docking of multiple preceding work areas and multiple succeeding work areas, and also improve efficiency, but in comparison, two preceding work areas corresponding to one succeeding work area is easier to implement and has lower cost.

[0058] In a further embodiment based on the above embodiment, the allocation bit of the first and second preceding working areas is one and is adjacent to the transmission bit corresponding to the first station of the corresponding working area, the allocation bit of the second preceding working area and the two allocation bits of the subsequent working area are adjacent to the transmission bit corresponding to the last station of the corresponding preceding working area, and the two allocation bits of the subsequent working area are adjacent to the working bit corresponding to the first station thereof.

[0059] That is to say, the allocation position of the first preceding work area is set adjacent to the transmission position of its first station, and the allocation position of the second preceding work area is adjacent to the transmission position of the first station of the second preceding work area and the transmission position of the last station of the first preceding work area, and is located between them. At the same time, the next transmission position after the last station of the first preceding work area discharges the material is one of the allocation positions of the subsequent work area. Similarly, the next transmission position after the last station of the second preceding work area discharges the material is another allocation position of the subsequent work area. This setting makes each work area set closely, and there is no redundant transmission position between them, thereby improving production efficiency.

[0060] In a specific application embodiment, the production line system of the present invention can be specifically a vacuuming and filling production line system, wherein the preceding working area is a vacuuming area, the subsequent working area is a refrigerant filling area, and the product to be processed on the production line is an air conditioning system.

[0061] The concept of the present invention is further described below by taking a vacuuming and filling production line system as a preferred specific application embodiment.

[0062] like Figure 1 As shown, the vacuuming and filling production line system of this embodiment includes: a first vacuuming area 1, a second vacuuming area 2 and a refrigerant filling area 3.

[0063] The three areas are arranged along the transmission main line, and the transmission main line 4 is divided into two. The first vacuum zone 1 is located on a transmission main line on the right, the second vacuum zone 2 is partially located on a transmission main line on the right, and partially located on a transmission main line on the left, and the refrigerant perfusion zone 3 is located on a transmission main line on the left, and the transmission position corresponding to the first station of the refrigerant perfusion zone 3 and the transmission position corresponding to the last station of the first vacuum zone are located on the same straight line perpendicular to the transmission direction of the transmission main line, and they are connected by a transmission position, and the transmission position that serves as a connection is the first perfusion distribution position 31 of the refrigerant perfusion zone 3. The lower ends of the two transmission main lines are connected by a transmission position, so that the entire transmission main line is U-shaped, that is, the two parts of the second vacuum zone 2 are connected into a production line section through the transmission position located at the bottom of the U-shaped transmission main line. The transmission position corresponding to the first station in the refrigerant perfusion area 3 and the transmission position corresponding to the last station in the second vacuum zone are located on the same straight line along the transmission direction of the main transmission line. They are connected by a transmission position, and the transmission position that serves as the connection is the second perfusion distribution position 32 of the refrigerant perfusion area 3. The allocation priority of the first perfusion distribution position 31 is higher than the allocation priority of the second perfusion distribution position 32.

[0064] In this embodiment, through the above layout, regionalization is carried out according to different functions, small-scale allocation management is carried out, and association is carried out through the last process of the previous work area and the starting process of the next work area, so as to achieve allocation management of the entire layout.

[0065] Eight vacuum stations 12 and four filling stations are deployed on the above production line, and each station is equipped with automation equipment and sensors. The eight vacuum stations 12 are evenly divided into the first and second vacuum zones 2. Each vacuum station 12 is responsible for the vacuum operation of the air-conditioning system entering the station. The filling station is responsible for filling the air-conditioning system with refrigerant.

[0066] Each station is equipped with multiple sensors to monitor the working status of each station and the production data of the air conditioning system in real time. Each station has four states: empty state, processing state, discharging state, and discharging completed state. The corresponding identification codes (also called station status values) of these four states are 0, 88, 99, and 100. Through the transmission of the status values ​​of each station, the idleness and discharging status of each station are finally judged. For example, if the status value of a station is 100, the regional station exit action can be performed.

[0067] Each material (i.e., air conditioning system) also has a corresponding state. Assume that the current material is assigned a state of 4, that is, the value of the first element of the array (corresponding to allocation position 11) is assigned a value of 4, indicating that the material needs to be vacuumed at station 4 in the first vacuum zone (the third station in the first vacuum zone). The material will first go to station 1 (allocation position 11). After judging that the current state is 4 (for example, the state value of station 1 and the station number of station 1 can be compared through PLC. The current state value of station 1 is 4, and the station number of station 1 is 1, so a blocking and releasing action is performed), the material is released to the transmission position corresponding to station 2. Similarly, station 2 judges that the state value of the material is also 4, and the blocking of station 2 is also released. When the material arrives at station 3, station 3 also judges and releases it, until the material arrives at station 4, station 4 judges that the current state value of the material is the same as its station number, and then performs an entry action.

[0068] After the entry is completed, station 4 changes the value of the corresponding element in the array from 4 to 88, where 88 indicates the processing status.

[0069] When the process is completed, the exit button is pressed manually, and the material is transferred from station 4 back to the corresponding transmission position of station 4. At this time, station 4 changes the corresponding element in the array from 88 to 99. If station 4 is empty later, the value of the corresponding element in the array becomes 100, and station 4 is lifted and transferred to output the material to the first vacuum zone 1.

[0070] As for station 5, it is actually the allocation position 11 of the second vacuum zone 2. Only when the material status value is 5, the material will pass through the transmission position corresponding to stations 1-4 to reach the allocation position 11, and there is no entry and exit action, so no judgment is required. The array corresponding to the second vacuum zone 2 does not have an element corresponding to station 5, because there is no third vacuum zone of the same type after the second vacuum zone 2.

[0071] The configuration of this embodiment is compared with the control process of the prior art in which each process has only one working area and the states of the stations in the working area are recorded in the form of an array.

[0072] Both comparative embodiments control the operation of the production line through a PLC (Programmable Logic Controller), monitor the station status, and transmit data through a shift algorithm.

[0073] Assuming that the existing technology also has 8 stations, the specific data change process of the existing technology is as follows: Figure 2 shown.

[0074] The 1-9 in the table header represent stations 1-9, i.e., one allocation position and 8 stations. Each row after the table header represents each change of an array element.

[0075] Assuming that three materials are to be allocated to stations 9, 8, and 7 respectively, the data change process of the corresponding technology is as follows: Figure 3 shown.

[0076] pass Figure 2 , Figure 3 It can be seen from the two tables that each station is connected in sequence and has corresponding impacts. When an abnormal problem occurs in any station, the entire production line will be affected.

[0077] In this embodiment, each work area is set with a maximum of 5-8 bits of array. Taking the first vacuum zone as an example, when the material needs to be allocated to the second vacuum zone, the specific data change process of the first vacuum zone is as follows: Figure 4 shown.

[0078] In this embodiment, when three materials need to be allocated, one of the materials goes to the second vacuum zone, and the remaining two materials go to stations 5 and 4 respectively. The specific data change process is as follows: Figure 5 shown.

[0079] It can be seen from the table in the figure that before the material is transmitted, it is necessary to judge the state of the next station. Only the station with the corresponding value of 0 or 88 can transmit the material to the transmission position corresponding to the next station. This embodiment divides the vacuum zone into multiple small areas, which greatly reduces the loss probability and misalignment rate during data transmission. When an abnormality occurs, for example, when an abnormality occurs in the second vacuum zone, it will not affect the first vacuum zone, but will only have an impact in this area, and will not affect the first vacuum zone.

[0080] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A production line system, characterized in that: include: A transmission main line, having multiple transmission bits; A work area, wherein the types of the work areas include at least two types that need to be processed sequentially, and there is at least one group of two adjacent work areas in which the number of preceding work areas is greater than the number of subsequent work areas, and each of the work areas has a plurality of stations sequentially arranged on one side of a corresponding transmission position along a transmission direction, and in front of the first station of each of the work areas there is at least one transmission position with no station configured on the side as an allocation position of the work area, and behind the last station of each of the work areas there is at least one transmission position with no station configured on the side leading to the next work area and serving as an allocation position of the next work area; a control module, based on a processing order, preferentially allocating products to be processed to allocation positions corresponding to work areas with idle stations, and then dynamically allocating products to be processed at corresponding allocation positions to corresponding idle stations according to the idle status of each station in the work area.

2. The production line system according to claim 1, characterized in that: The control module establishes a data structure and / or configuration register corresponding to each work area and its allocated position in units of a work area. The station reads the corresponding data structure and / or the value in the register to release the product to be processed to the next transmission position, or releases the product to be processed to the station for processing, and modifies the corresponding data structure and / or the value of the register according to the current state of the station. The control module determines the idle work areas and stations according to the values ​​in the data structure and / or register and allocates them.

3. The production line system according to claim 2, characterized in that: When there are multiple workspaces of the same type, the elements in the data structure corresponding to the workspace also include the allocation bit of the next workspace of the same type, and / or configure the corresponding register for the allocation bit of the next workspace of the same type.

4. The production line system according to claim 3, characterized in that: For a subsequent work area docking with a plurality of preceding work areas, the control module preferentially allocates the product to be processed on the allocation position of a preceding work area located upstream in the transmission direction for docking.

5. The production line system according to claim 3, characterized in that: The data structure is an array or a table.

6. The production line system according to claim 2, characterized in that: The state of the allocation position is an identification code corresponding to an empty material state, or an identification code of a station or allocation position to which the product to be processed is allocated.

7. The production line system according to claim 2, characterized in that: The status of the station is an identification code corresponding to an empty material state, a processing state, a discharging state, and a discharging completion state.

8. The production line system according to any one of claims 1 to 7, characterized in that: There are two types of production areas, and the number of preceding working areas is two, and the number of succeeding working areas is one.

9. The production line system according to claim 8, characterized in that: The allocation bit of the first and second preceding working areas is one and is adjacent to the transmission bit corresponding to the first station of the corresponding working area. The allocation bit of the second preceding working area and the two allocation bits of the subsequent working area are adjacent to the transmission bit corresponding to the last station of the corresponding preceding working area, and the two allocation bits of the subsequent working area are adjacent to the working bit corresponding to its first station.

10. The production line system according to claim 9, characterized in that: The production line system is a vacuuming and filling production line system, the preceding working area is a vacuuming area, the subsequent working area is a refrigerant filling area, and the product to be processed is an air conditioning system.

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