阅读说明：本技术 电缆接线结构的制作方法、电缆接线结构及电梯系统 (Manufacturing method of cable wiring structure, cable wiring structure and elevator system ) 是由 周长河 李伟 戚振华 黄斌 于 2021-08-13 设计创作，主要内容包括：本发明提供了一种电缆接线结构的制作方法、电缆接线结构及电梯系统,该电缆接线结构的制作方法包括将待连接电缆端部裸露的导体与电路板焊接连接,以实现多条所述电缆之间的电路连接,注塑所述电路板、所述电缆端部的至少部分绝缘层以使得所述电路板和所述待连接电缆形成一体件,采用该制作方法的电缆接线结构抗拉强度得到保证,还可起到防水作用,电缆接线结构的制作方法效率高、电缆接线结构可靠性能强,而且避免了现有电缆接线结构制作过程中打弯捆扎造成的导线浪费的现象。(The invention provides a manufacturing method of a cable wiring structure, the cable wiring structure and an elevator system, wherein the manufacturing method of the cable wiring structure comprises the steps of welding and connecting a conductor exposed at the end part of a cable to be connected with a circuit board to realize circuit connection among a plurality of cables, and injecting at least part of insulating layers of the circuit board and the end part of the cable to enable the circuit board and the cable to be connected to form an integrated piece.)

1. A method of making a cable connection structure, comprising:

welding and connecting the exposed conductor at the end part of the cable to be connected with a circuit board to realize circuit connection among a plurality of cables;

injection-moulding at least part of the insulating layer of the circuit board, of the cable end so that the circuit board and the cable to be connected form a single piece.

2. The method for manufacturing a cable connection structure according to claim 1, wherein before the step of connecting the exposed conductor of the end of the cable to be connected to the circuit board by soldering to realize the circuit connection between the plurality of cables, the method further comprises: forming a preset circuit pattern and a pad on a circuit board;

before the injection molding of the circuit board and at least part of the insulation layer of the cable end so that the circuit board and the cable to be connected form an integral piece, the method further comprises the following steps: and detecting the welding performance of the welding connection of the cable and the circuit board.

3. The method of manufacturing a cable connection structure according to claim 2, wherein: each cable to be connected is provided with a plurality of mutually insulated wires, the circuit board is provided with a plurality of bonding pads corresponding to the wires to be connected, the bonding pads are provided with first preset marks, and the wires are provided with second preset marks; and when the conductor exposed at the end part of the cable to be connected is welded with the circuit board, the first preset mark is matched with the second preset mark.

4. The method of manufacturing a cable connection structure according to claim 3, wherein: the first preset mark and the second preset mark are color marks; or both the first preset mark and the second preset mark are digital marks; or, the first preset mark and the second preset mark are both pattern marks.

5. The method of manufacturing a cable connection structure according to claim 2, wherein: the bonding pad is a square bonding pad, the width of the bonding pad is 0.3-3 times of the diameter of the conductor, and the length of the bonding pad is larger than or equal to that of the exposed conductor.

6. A cable connection structure characterized in that: the cable wiring structure is formed according to the manufacturing method of the cable wiring structure of any one of claims 1 to 5, the cable wiring structure comprises a circuit board, a plurality of cables and an injection molding part, wherein the circuit board is used for realizing circuit connection among the plurality of cables;

the cable comprises a conductor and an insulating layer coated on the outer side of the conductor, the conductor at one end, connected with the circuit board, of the cable is exposed out of the insulating layer, the conductor exposed out of the insulating layer is connected with the circuit board in a welding mode, and the circuit board and at least part of the insulating layer of the cable are molded into a whole through the injection molding piece.

7. The cable connection structure of claim 6, wherein: the number of the cables is two, and the two cables have preset angles in the extending direction of the injection molding part; or the number of the cables is three, and the three cables have preset angles in the extending direction of the injection molding part; or the number of the cables is four, and the four cables have preset angles in the extending direction of the injection molding part.

8. The cable connection structure of claim 7, wherein: the number of the cables is two, and the extending directions of the two cables at the injection molding part are opposite; or the number of the cables is three, and the three cables are in a T shape in the extending direction of the injection molding part; or the number of the cables is four, and the four cables are crossed in the extending direction of the injection molding part.

9. The cable connection structure of claim 6, wherein: the cable is an elevator communication cable, the communication cable comprises a communication trunk line and a communication branch line, and a circuit of the circuit board corresponding to the elevator communication cable is a parallel circuit;

or the cable is an elevator lighting cable, the lighting cable comprises a lighting main line and a lighting branch line, and a circuit of the circuit board corresponding to the elevator lighting cable is a parallel circuit;

or the cable is an elevator door lock cable, the door lock cable comprises a door lock main line and a door lock branch line, and a circuit on the circuit board corresponding to the elevator door lock cable is a series circuit;

or the cable is an elevator shaft switch cable which comprises a switch cable main line and a switch cable branch line, and the circuit on the circuit board comprises an elevator limit switch circuit and an elevator limit and speed change switch circuit, wherein the elevator limit switch circuit is a series circuit, and the elevator limit and speed change switch circuit is a parallel circuit.

10. The cable connection structure of claim 6, wherein: and a shell is arranged on the outer side of the injection molding piece.

11. An elevator system characterized by: the elevator system comprising a plurality of cable connection structures according to any of claims 6-10.

Technical Field

The invention belongs to the technical field of cable connection, and particularly relates to a manufacturing method of a cable wiring structure, the cable wiring structure and an elevator system.

Background

Taking the elevator industry as an example, an elevator refers to a permanent transportation device serving a plurality of specific floors in a building, wherein a car of the permanent transportation device runs on at least two rows of rigid rails which are perpendicular to a horizontal plane or have an inclination angle smaller than 15 degrees with a vertical line, and an elevator shaft cable is an important carrier for transmitting various shaft call information and safety information.

In the prior art, the outbound communication cable connection part at each elevator floor is electrically connected with a main line through an outbound branch to form a loop so as to achieve the purpose of controlling and transmitting information. At present, the wiring of the shaft cable in the elevator industry, especially the wiring at each layer of branch, for example: the branch line of the elevator communication cable and the branch line of the elevator two-core door lock cable are connected completely by manpower. Fig. 1 is a schematic diagram of a process flow for connecting a branch cable and a trunk cable in a conventional cable connection structure, please refer to fig. 1, taking the connection at the branch of a conventional elevator communication four-core twisted pair as an example, the number of branch connection processes of each elevator communication four-core twisted pair is as high as 9, the required labor time is about 2.5 minutes, and for mass production, it is assumed that 1500 branches of the elevator communication four-core twisted pair are required every day, and 2.5 minutes per connection packet is calculated, and 3750 minutes is required for completing 1500 branches, which is equivalent to 62.5 hours, and 8-9 personal workloads are required every day. Fig. 2 is a schematic view of a bending structure of a junction between a branch cable and a trunk cable in a conventional cable connection structure, please refer to fig. 2, in order to prevent stress at the junction at the branch during the cable branch manufacturing process, the wires need to be bent and tied, the process still needs at least 15cm of wire length for each connector to be wasted, for example, 1500 wires are produced every day, the wasted wires are at least 225 meters each day, and the number of the wasted wires is surprising each year. Moreover, the wire harness is difficult to avoid the phenomenon of wire leakage in the manufacturing process, and the technical problems of time and labor waste, low working efficiency and the like exist in later detection. The same wiring problem also exists in escalator cable branch and cable branch connection of other industries.

Disclosure of Invention

The embodiment of the invention aims to provide a manufacturing method of a cable wiring structure, the cable wiring structure and an elevator system, and aims to solve the technical problems of low manufacturing efficiency and wire waste of the cable wiring structure in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the invention provides a method for manufacturing a cable wiring structure, which is characterized by comprising the following steps:

welding and connecting the exposed conductor at the end part of the cable to be connected with a circuit board to realize circuit connection among a plurality of cables;

injection-moulding at least part of the insulating layer of the circuit board, of the cable end so that the circuit board and the cable to be connected form a single piece.

In an embodiment, before the soldering connection of the exposed conductor at the end of the cable to be connected to the circuit board to realize the circuit connection between a plurality of cables, the method further includes: forming a preset circuit pattern and a pad on a circuit board;

before the injection molding of the circuit board and at least part of the insulation layer of the cable end so that the circuit board and the cable to be connected form an integral piece, the method further comprises the following steps: and detecting the welding performance of the welding connection of the cable and the circuit board.

In one embodiment, each cable to be connected is provided with a plurality of mutually insulated wires, the circuit board is provided with a plurality of bonding pads corresponding to the wires to be connected, the bonding pads are provided with first preset marks, and the wires are provided with second preset marks; and when the conductor exposed at the end part of the cable to be connected is welded with the circuit board, the first preset mark is matched with the second preset mark.

In an embodiment, the first preset mark and the second preset mark are both color marks; or both the first preset mark and the second preset mark are digital marks; or, the first preset mark and the second preset mark are both pattern marks.

In one embodiment, the pad is a square pad, the width of the pad is 0.3-3 times the diameter of the conductor, and the length of the pad is greater than or equal to the length of the exposed conductor.

A second aspect of the present invention provides a cable connection structure, characterized in that: the cable connection structure is formed according to the manufacturing method of the cable connection structure, the cable connection structure comprises a circuit board, a plurality of cables and an injection molding piece, and the circuit board is used for realizing circuit connection among the plurality of cables;

the cable comprises a conductor and an insulating layer coated on the outer side of the conductor, the conductor at one end of the cable connected with the circuit board is exposed out of the insulating layer, the conductor exposed out of the insulating layer is connected with the circuit board in a welding mode, and the circuit board and at least part of the insulating layer of the cable are molded into an integral piece through the injection molding piece

In one embodiment, the number of the cables is two, and the extending directions of the two cables at the injection molding part have preset angles; or the number of the cables is three, and the three cables have preset angles in the extending direction of the injection molding part; or the number of the cables is four, and the four cables have preset angles in the extending direction of the injection molding part.

In one embodiment, the number of the cables is two, and the two cables extend out of the injection molding part in opposite directions; or the number of the cables is three, and the three cables are in a T shape in the extending direction of the injection molding part; or the number of the cables is four, and the four cables are crossed in the extending direction of the injection molding part.

In one embodiment, the cable is an elevator communication cable, the communication cable comprises a communication trunk line and a communication branch line, and the circuit of the circuit board corresponding to the elevator communication cable is a parallel circuit;

or the cable is an elevator lighting cable, the lighting cable comprises a lighting main line and a lighting branch line, and a circuit of the circuit board corresponding to the elevator lighting cable is a parallel circuit;

or the cable is an elevator door lock cable, the door lock cable comprises a door lock main line and a door lock branch line, and a circuit on the circuit board corresponding to the elevator door lock cable is a series circuit;

or the cable is an elevator shaft switch cable which comprises a switch cable main line and a switch cable branch line, and the circuit on the circuit board comprises an elevator limit switch circuit and an elevator limit and speed change switch circuit, wherein the elevator limit switch circuit is a series circuit, and the elevator limit and speed change switch circuit is a parallel circuit.

In one embodiment, a housing is provided on the outside of the injection-molded part.

A third aspect of the invention provides an elevator system comprising a cable connection arrangement as described above.

The manufacturing method of the cable wiring structure provided by the embodiment of the invention comprises the steps of welding and connecting a conductor exposed at the end part of a cable to be connected with a circuit board to realize circuit connection among a plurality of cables; the manufacturing method of the cable wiring structure is high in efficiency and high in reliability of the cable wiring structure, and avoids the phenomenon of conductor waste caused by bending and bundling in the manufacturing process of the existing cable wiring structure.

The cable wiring structure and the elevator system provided by the embodiment of the invention comprise a circuit board, a plurality of cables and an injection molding part, wherein the circuit board is used for realizing circuit connection among the plurality of cables, each cable comprises a conductor and an insulating layer coated on the outer side of the conductor, the conductor at one end of the cable connected with the circuit board is exposed out of the insulating layer, the conductor exposed out of the insulating layer is welded with the circuit board, at least part of the insulating layers of the circuit board and the cable are molded into a whole through the injection molding part, the tensile strength of the cable wiring structure is ensured, and the cable wiring structure can also play a waterproof role.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic process flow diagram of a connection process between a branch cable and a trunk cable in a conventional cable connection structure;

FIG. 2 is a schematic view of a bending structure of a junction between a branch cable and a trunk cable in a conventional cable connection structure;

fig. 3 is a schematic flow chart of a method for manufacturing a cable connection structure according to an embodiment of the present invention;

fig. 4 is a schematic flow chart of a method for manufacturing a cable connection structure according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a cable connection structure provided in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a circuit board of a cable connection structure according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a cable connection structure according to an embodiment of the present invention;

fig. 8 is a structural view illustrating a cable extending direction in a straight line in a cable connection structure according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a cable connection structure provided in an embodiment of the present invention, in which a cable extends in a "T" shape;

fig. 10 is a schematic structural view of a cable connection structure provided in an embodiment of the present invention, in which the cable extends in a cross-shaped direction;

fig. 11 is a schematic structural diagram of a four-way elevator communication cable circuit board according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a three-way elevator communication cable circuit board according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a two-way elevator communication cable circuit board according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of a four-way elevator door lock cable circuit board provided by an embodiment of the invention;

fig. 15 is a schematic structural diagram of a cable circuit board of a three-way elevator door lock provided by an embodiment of the invention;

fig. 16 is a schematic structural diagram of a cable circuit board of a two-way elevator door lock provided by an embodiment of the invention;

fig. 17 is a schematic structural diagram of a three-way elevator lighting cable circuit board according to an embodiment of the present invention;

fig. 18 is a schematic structural view of an elevator system according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a cable connection structure;

2-an elevator system;

11-a circuit board;

12-a cable;

13-injection molding;

111-pads;

112-a first preset mark;

121-a conductor;

122-insulating layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "comprises" and "comprising," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In addition, in the present application, unless otherwise expressly specified or limited, the terms "connected," "secured," "mounted," and the like are to be construed broadly, such as to encompass both mechanical and electrical connections; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating between two elements or for interacting between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present application may be understood by those skilled in the art according to specific situations.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. It should be understood that in the description of the present invention, unless otherwise specified, "plurality" means two or more than two.

At present, the wiring of the shaft cable branch in the elevator industry is completely manually wired, the production procedures are multiple, the process is complex, the number of the working procedures is up to 9, the requirement of the wiring process on workers is high, the wiring efficiency is low, each floor of the elevator hall call communication line is provided with one group (taking a four-core twisted pair of the elevator hall call communication cable as an example, the cable comprises 4 leads and a shielding layer wrapped between the leads and the cable outer insulating layer, the general model is RVVP4 0.75mm2, namely 4 cables with 0.75 square mm respectively, taking the elevator door lock cable as an example, the cable comprises 2 leads and a grounding wire, the general model is RVV2 0.75+1mm2, namely the door lock cable comprises 2 wires with 0.75 square mm respectively and 1 grounding wire with 1 square mm), the branch line of the hall call communication line of each floor is taken as an example in a wrapping mode, and the manual time required for manufacturing each branch line is about 2.5 minutes. For mass production, assuming that 1500 branches are required for wiring at a branch of a single variety processing in a factory, 2.5 minutes are required for wiring each coil, 3750 minutes is required, which is equivalent to 62.5 hours, and 8-9 personal workloads are required each day. In addition, in order to prevent the wiring point at the branch from being stressed, the conducting wire needs to be bent and tied after wiring is finished, the process causes the wire length of each connector, which is at least 15CM, to be wasted, and the actual length of the well cable is not counted. And manual wiring is inevitable to appear the phenomenon of missed connections, can have when seeking the problem in the later stage and waste time and energy, work efficiency low grade technical problem.

The embodiment of the invention provides a manufacturing method of a cable connection structure, the cable connection structure and an elevator system based on the problems.

The following describes the manufacturing method of the cable connection structure, the cable connection structure and the elevator system in detail with reference to specific embodiments.

Fig. 3 is a schematic flow chart of a method for manufacturing a cable connection structure according to an embodiment of the present invention, and referring to fig. 3, a first aspect of the embodiment of the present invention provides a method for manufacturing a cable connection structure, including:

s101, welding and connecting a conductor exposed at the end part of a cable to be connected with a circuit board to realize circuit connection among a plurality of cables;

specifically, after the insulation layers of the cables to be connected are stripped, certain lead length is exposed, and in order to enable the cables to work smoothly after welding, tin can be plated at the exposed conductor position of the end part of each cable to prepare for welding. In this embodiment, the manufacture of the exposed conductor at the end of the cable may be achieved mechanically or manually, and the specific structural form of the circuit board is not particularly limited in this embodiment, for example, the circuit board may be a square circuit board or a circular circuit board.

S102, injection molding the circuit board and at least part of the insulating layer of the cable end part to enable the circuit board and the cable to be connected to form a whole.

Specifically, the injection molding material of the present embodiment may be engineering plastic with excellent electrical insulation performance and waterproof performance, and the present embodiment does not particularly limit the specific form of the injection molding material, and the present embodiment does not particularly limit the molding shape after injection molding.

The manufacturing method of the cable wiring structure provided by the embodiment of the invention comprises the steps of welding and connecting a conductor exposed at the end part of a cable to be connected with a circuit board to realize circuit connection among a plurality of cables; injection-moulding at least part of the insulating layer of the circuit board, of the cable end so that the circuit board and the cable to be connected form a single piece. The manufacturing method of the cable wiring structure is high in efficiency, the cable wiring structure is high in reliability, the tensile strength of the cable wiring structure is guaranteed, a waterproof effect can be achieved, and the phenomenon of conductor waste caused by bending and bundling in the manufacturing process of the existing cable wiring structure is avoided.

Fig. 4 is a schematic flow chart of a method for manufacturing a cable connection structure according to an embodiment of the present invention, referring to fig. 4, in an embodiment, the method for manufacturing a cable connection structure includes:

s201, forming a preset circuit pattern and a pad on a circuit board;

specifically, the circuit pattern is preformed on the circuit board according to the circuit structure of the cable to be connected, and the present embodiment does not particularly limit the circuit pattern on the circuit board. The land of the present example is used for solder connection with the conductor of the cable, and the form of the land is not particularly limited in the present example.

S202, welding and connecting the exposed conductor at the end part of the cable to be connected with a circuit board to realize circuit connection among a plurality of cables;

specifically, the cable to be connected comprises a plurality of wires, a circuit board is provided with a plurality of bonding pads corresponding to the wires to be connected, the bonding pads are provided with first preset marks, the wires are provided with second preset marks, and when the cable to be connected is connected with the bonding pads, the first preset marks are matched with the second preset marks. Through set up the mark of predetermineeing on the pad and on the wire, be convenient for distinguish the discernment when circuit board and conductor welding, can further improve the connection efficiency and the welded accuracy of circuit board and cable, machine vision when developing automatic weld simultaneously judges and makes ready for the future. For example, the first preset mark and the second preset mark may be a color mark, a number mark or a pattern mark which are matched with each other.

S203, detecting the welding performance of the welding connection of the cable and the circuit board;

specifically, the present embodiment may test the electrical connection of the cable line through the measuring instrument, so as to determine the connection quality between the conductor of the cable and the circuit board.

S204, injection molding the circuit board and at least part of the insulating layer of the cable end part to enable the circuit board and the cable to be connected to form a whole. Step S204 of this embodiment is similar to step S102, and this embodiment is not described again.

Preferably, the pad is a square pad, the width of the pad is 0.3-3 times of the diameter of the conductor, and the length of the pad is equal to the length of the exposed conductor. The welding pad of the embodiment is a square welding pad, the welding is convenient when the welding pad is welded with a conductor, the width of the welding pad is 0.3-3 times of the diameter of the conductor, and the length of the welding pad is equal to that of the exposed conductor. In other embodiments, the pads may be circular pads, and the form of the pads is not particularly limited by the present invention.

The manufacturing method of the cable wiring structure provided by the embodiment of the invention comprises the steps of welding and connecting a conductor exposed at the end part of a cable to be connected with a circuit board to realize circuit connection among a plurality of cables; injection-moulding at least part of the insulating layer of the circuit board, of the cable end so that the circuit board and the cable to be connected form a single piece. The manufacturing method of the cable wiring structure is high in efficiency, the cable wiring structure is high in reliability, the tensile strength of the cable wiring structure is guaranteed, a waterproof effect can be achieved, and the phenomenon of conductor waste caused by bending and bundling in the manufacturing process of the existing cable wiring structure is avoided.

Fig. 5 is a schematic structural diagram of a cable connection structure according to an embodiment of the present invention, fig. 6 is a schematic structural diagram of a circuit board of the cable connection structure according to the embodiment of the present invention, please refer to fig. 5 and fig. 6, a second aspect of the embodiment of the present invention provides a cable connection structure 1, which includes a circuit board 11, a plurality of cables 12, and an injection molding part 13, where the circuit board 11 is used to implement circuit connection between the plurality of cables 12;

the cable 12 comprises a conductor 121 and an insulating layer 122 coated outside the conductor, the conductor 121 at one end of the cable 12 connected with the circuit board 11 is exposed out of the insulating layer 122, the conductor 121 exposed out of the insulating layer 122 is connected with the circuit board 11 in a welding mode, and the circuit board 11 and at least part of the insulating layer 122 of the cable 12 are formed into an integral piece through injection molding of the injection molding piece 13.

The circuit board 11 of the present embodiment is used to electrically connect a plurality of cables 13, and the present embodiment does not particularly limit the specific functions, sizes, and the like of the plurality of cables 13, and for example, the cables may be communication cables, lighting cables, and the like. The number of the cables in this embodiment may be two, three or more, wherein three cables may represent the connection of one main cable with two branch cables, or the main cable may be branched at a branch. The cable 13 of this embodiment is typically a rope-like cable formed by stranding several or several groups of conductors (at least two in each group), each group being insulated from each other and usually twisted around a center, the entire outer surface being coated with a highly insulating layer, the cable having internal current carrying and external insulation characteristics.

The circuit board 11 of this embodiment is preset with a circuit structure, and the specific form of the circuit structure is not particularly limited in this embodiment, for example, the electrical connection circuit structure may be a parallel structure or a series structure.

The injection molding 13 of this embodiment forms an organic whole structure with circuit board 11, the at least partial insulating layer 122 of cable 12 tip of moulding plastics, and the material of the injection molding 13 of this embodiment can be resin or plastics material, and the injection molding 13 of this embodiment has excellent insulating properties, higher intensity, heat resistance and cold resistance, can improve cable wiring structure's life greatly.

The cable connection structure of this embodiment only need in the manufacture process with the conductor of many cables with the circuit board on the pad welding that corresponds can, the manufacture process is convenient, swift, easily tests electric connection performance after circuit board and conductor welding are accomplished, cable connection structure preparation is efficient, circuit board and conductor connection reliability are high. And the conductor of cable directly welds and carries out the plastic envelope behind the circuit board, compares current traditional manufacturing approach and has avoided the waste of wire, and the at least partial insulating layer of circuit board, cable forms integrative piece through the injection molding, and the cable connection structure stress point has avoided the solder joint atress of the internal printed circuit board of moulding plastics at injection molding and insulating layer, and the connection between the cable has better sealed effect, and cable connection structure's reliability is high.

In a specific embodiment of the present application, the circuit board 11 has a plurality of pads 111 thereon for soldering with the conductors 121 of the cable 12. The cable 12 comprises a conductor 121 and an insulating layer 122 coated outside the conductor 121, the conductor 121 of the cable 12 of the embodiment is connected with the pad 111 on the circuit board 11 to realize circuit connection between the cable 12 and the circuit board 11, the manufacturing method is simple and fast, and the wiring efficiency between the cables can be greatly improved.

Fig. 7 is a schematic structural diagram of a cable connection structure according to an embodiment of the present invention, please refer to fig. 7, further, each of the pads 111 has a first preset mark 112, each of the cables 12 includes a plurality of wires, each of the wires has a second preset mark, and the first preset mark 112 matches with the second preset mark. In the embodiment, the preset marks are arranged on the bonding pad 111 and the lead, so that the circuit board 11 and the conductor 121 are easy to distinguish and identify when being welded, the connection efficiency of the circuit board 11 and the cable 12 and the welding accuracy can be further improved, and meanwhile, the machine vision judgment in the automatic welding process is prepared for future development.

Optionally, the first preset mark 112 and the second preset mark are both color marks, or the first preset mark 112 and the second preset mark are both digital marks or pattern mark marks. Preferably, the first preset mark 112 of the present embodiment is a color mark, and the color mark is brown, blue, yellow, white and gold corresponding to the color of the insulating layer of the wire, the first preset mark 112 of the present embodiment is disposed beside the corresponding pad, and when soldering, an operator only needs to solder the pad 111 correspondingly marked with the same color on the wire of the same color. For example, when the color of a certain wire is brown, as long as an operator finds a pad corresponding to a color mark, places a conductor joint of a cable with a stripped insulating layer and plated with tin on the pad, and then operates a welding gun to fall down for automatic welding.

In a specific embodiment, preferably, the pad 111 is a square pad, the width of the pad 111 is 0.3-3 times the diameter of the conductor 121, and the length of the pad 111 is equal to the length of the exposed conductor 121. The bonding pad 111 of the embodiment is a square bonding pad, which is convenient to weld when being welded with the conductor 121, the width of the bonding pad 111 is 0.3-3 times of the diameter of the conductor 121, and the length of the bonding pad 111 is equal to that of the exposed conductor 121. In other embodiments, the pad 111 may be a circular pad, and the form of the pad 111 is not particularly limited by the present invention.

In an embodiment of the present application, fig. 8 is a schematic structural view of a cable connection structure according to an embodiment of the present invention, where the extending directions of cables are on a straight line, please refer to fig. 8, where the number of the cables 12 is two in this embodiment, and the extending directions of the two cables 12 are on a straight line; in other embodiments, the extending directions of the two cables 12 may be any angle, which is not particularly limited in this embodiment, fig. 9 is a structural schematic diagram that the extending directions of the cables in the cable connection structure provided in the embodiment of the present invention are in a "T" shape, please refer to fig. 9, the number of the cables 12 is three, the extending directions of the three cables 12 at the injection molding 13 may be preset in advance, and the extending directions of the three cables 12 at the injection molding 13 are not particularly limited in this embodiment; fig. 10 is a schematic structural diagram of a cable connection structure provided in an embodiment of the present invention, where the extending direction of the cables is in a cross shape, please refer to fig. 10, the number of the cables 12 is four, the extending direction of the four cables 12 at the injection molding part 13 can be preset in advance, and the extending direction of the four cables 12 at the injection molding part 13 is not particularly limited in this embodiment.

Fig. 11 is a schematic structural diagram of a four-way elevator communication cable circuit board provided in an embodiment of the present invention, fig. 12 is a schematic structural diagram of a three-way elevator communication cable circuit board provided in an embodiment of the present invention, fig. 13 is a schematic structural diagram of a two-way elevator communication cable circuit board provided in an embodiment of the present invention, fig. 14 is a schematic structural diagram of a four-way elevator door lock cable circuit board provided in an embodiment of the present invention, fig. 15 is a schematic structural diagram of a three-way elevator door lock cable circuit board provided in an embodiment of the present invention, and fig. 16 is a schematic structural diagram of a two-way elevator door lock cable circuit board provided in an embodiment of the present invention; fig. 17 is a schematic structural diagram of an elevator lighting cable circuit board according to an embodiment of the present invention. Referring to fig. 11-17, the cable connection structure can be applied to the connection of two cables 12, for example, the two cables 12 are located on the same straight line or the two cables 12 are arranged at an angle in the leading-out direction, and the invention is not limited to the protruding direction of the two cables 12 at the injection molding part 13. The cable connection structure can also be applied to the connection of three cables 12 or four cables 12, and the extending directions of the three cables 12 at the injection molding part 13 are in a T shape. The cable connection structure can be applied to the connection of four cables 12, and when the number of the cables 12 is four, the extending directions of the four cables 12 at the injection molding part are in a cross shape. The three-way or four-way cable connection structure can be applied to elevator door lock cables, for example, the elevator door lock cables include two door lock main lines and one or two door lock branch lines, and the circuit on the circuit board 11 is a series circuit. The three-way or four-way cable connection structure can be applied to elevator lighting cables, for example, the elevator lighting cables include two elevator lighting main lines and one or two elevator lighting branch lines, and the circuit on the circuit board 11 is a series circuit. The three-way or four-way cable connection structure can be applied to elevator communication cables, the elevator communication cables comprise a communication main line and a communication branch line, and the circuit of the circuit board is a parallel circuit. For example, an elevator communication line cable includes two communication trunk lines and one or two communication branch lines. Or the cable is an elevator shaft switch cable which comprises a switch cable main line and a switch cable branch line, and the circuit on the circuit board comprises an elevator limit switch circuit and an elevator limit and speed change switch circuit, wherein the elevator limit switch circuit is a series circuit, and the elevator limit and speed change switch circuit is a parallel circuit.

In a specific embodiment, the outer side of the injection molded part is provided with a shell, preferably, the shell is a metal shell, and the embodiment further improves the reliability of the cable connection structure by arranging the shell on the outer side of the injection molded part.

The cable wiring structure provided by the embodiment of the invention comprises a circuit board, a plurality of cables and an injection molding part, wherein the circuit board is used for realizing circuit connection among the plurality of cables, the cable comprises a conductor and an insulating layer coated on the outer side of the conductor, the conductor at one end of the cable connected with the circuit board is exposed out of the insulating layer, the conductor exposed out of the insulating layer is electrically connected with the circuit board, at least part of the insulating layers of the circuit board and the cable are molded into a whole through the injection molding part, the tensile strength of the integrated part is ensured, and the integrated part can also play a waterproof role. The cable of the cable wiring structure is directly electrically connected with the circuit board, the manufacturing method is simple and rapid, the manufacturing efficiency can be improved, and the phenomenon that the conducting wires are wasted in the bending and bundling processes of the existing cable wiring structure is avoided.

Fig. 18 is a schematic structural diagram of an elevator system according to an embodiment of the present invention, and referring to fig. 18 and fig. 5, a second aspect of the embodiment of the present invention provides an elevator system 2, where the elevator system 2 includes the cable connection structure 1 according to the above embodiment.

For example: the cable wiring structure comprises a circuit board 11, a plurality of cables 12 and an injection molding part 13, wherein the circuit board 11 is used for realizing circuit connection among the plurality of cables 12;

the cable 12 comprises a conductor 121 and an insulating layer 122 coated outside the conductor, the conductor 121 at one end of the cable 12 connected with the circuit board 11 is exposed out of the insulating layer 122, the conductor 121 exposed out of the insulating layer 122 is connected with the circuit board 11 in a welding mode, and the circuit board 11 and at least part of the insulating layer 122 of the cable 12 are formed into an integral piece through injection molding of the injection molding piece 13.

This cable wiring structure of elevator system's cable is direct and circuit board welded connection, and the preparation method is simple, swift, can improve preparation efficiency, has avoided current elevator system's cable wiring structure to tie up the extravagant phenomenon of wire that the in-process caused bending moreover, and when this cable wiring structure was applied to elevator system, can be according to the floor information in the order, adopt the cable wiring structural connection in the above-mentioned embodiment to form one set of complete elevator well cable.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.