CN216598946U - Wiring device - Google Patents
Wiring device Download PDFInfo
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- CN216598946U CN216598946U CN202123432790.5U CN202123432790U CN216598946U CN 216598946 U CN216598946 U CN 216598946U CN 202123432790 U CN202123432790 U CN 202123432790U CN 216598946 U CN216598946 U CN 216598946U
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- wiring
- circuit board
- printed circuit
- electrically connected
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Abstract
The utility model relates to the technical field of wiring devices, in particular to a wiring device, which comprises a printed circuit board and a wiring box, wherein the printed circuit board is used for being connected with the wiring box; the first end of the connecting terminal is arranged on the printed circuit board and is electrically connected with the printed circuit board, and the second end of the connecting terminal is used for being electrically connected with an external lead; and the thermosensitive element is arranged on one side of the printed circuit board, which is far away from the wiring terminal, and is electrically connected with the printed circuit board. The scheme uses the printed circuit board to replace the traditional ceramic wiring board and uses the wiring terminal to replace the traditional stainless steel wiring terminal, thereby solving the problem that the wiring board is easy to break in the using process, reducing the wiring workload and greatly lightening the labor intensity of workers; the printed circuit board has good product consistency, can adopt standardized design, and is beneficial to realizing mechanization and automation in the production process; meanwhile, the whole wiring device after assembly and debugging can be used as an independent spare part, so that the exchange and maintenance of the whole machine product are facilitated.
Description
Technical Field
The utility model relates to a termination technical field especially relates to a termination.
Background
Thermocouples and thermal resistors are the most commonly used temperature measuring devices in industrial production, and the structures of the wiring devices are basically the same although the temperature measuring principles are different. In both wiring devices, the wiring board is made of ceramic. Although ceramic materials have excellent insulating property and wide application, the chemical bond and the crystal structure of the ceramic determine the weakness that the ceramic is more brittle and is easy to break under stress.
Because ceramic base terminal board surface flatness is lower, when using the screw installation, partial position exists stress concentration, has the risk of present fracture promptly in the installation. In addition, the service environments of the thermocouple and the thermal resistance temperature instrument are complex, the case that the wiring board is broken after the thermocouple and the thermal resistance temperature instrument are used for a period of time happens occasionally, the use damage rate is high particularly in the vibration environment, and the service cost of enterprises is increased.
In traditional mounting methods, temperature measurement end wire and external wire adopt the screw to compress tightly on metal binding post usually, because terminal box inner space is less, there is a great deal of inconvenience in bare-handed wiring, has seriously reduced the production efficiency of thermocouple, thermal resistance. The external lead is difficult to operate when being thick, and the installation is inconvenient, so a new wiring device is urgently needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a wiring device for solving the problem of the prior art that ceramic-based wiring boards are prone to breakage.
To achieve the above and other related objects, the present invention provides a wiring device, including:
the printed circuit board is used for being connected with the junction box;
the first end of the connecting terminal is arranged on the printed circuit board and is electrically connected with the printed circuit board, and the second end of the connecting terminal is used for being electrically connected with an external lead;
and the thermosensitive element is arranged on one side of the printed circuit board, which is far away from the wiring terminal, and is electrically connected with the printed circuit board.
Optionally, the wiring device further comprises a connector, wherein a first end of the connector is detachably and electrically connected with the printed circuit board, and a second end of the connector is electrically connected with the heat-sensitive element.
Optionally, the wiring device further comprises a temperature measuring element wire, and two ends of the temperature measuring element wire are respectively electrically connected with the thermosensitive element and the connector.
Optionally, the wiring device further comprises a temperature measuring element wire, and two ends of the temperature measuring element wire are respectively electrically connected with the thermosensitive element and the printed circuit board.
Optionally, the wiring device further comprises a housing assembly, the housing assembly is connected with the printed circuit board, and at least one housing wire hole for penetrating an external lead is arranged on the housing assembly.
Optionally, a housing connecting hole is formed in the housing assembly, a circuit board connecting hole matched with the housing connecting hole is formed in the printed circuit board, and the housing connecting hole and the circuit board connecting hole are both used for being fixed to the junction box.
Optionally, the diameter of the housing connection hole is equal to the diameter of the circuit board connection hole.
Optionally, a projected area of the housing wire hole in a horizontal plane is equal to a projected area of the wiring terminal in the horizontal plane.
Optionally, the housing assembly is provided with positive and negative labels for distinguishing positive and negative electrodes of the external lead.
Optionally, the terminal includes a spring type terminal and a screw press type terminal.
As described above, the utility model discloses a termination has following beneficial effect:
1. the scheme uses the printed circuit board to replace the traditional ceramic wiring board and uses the wiring terminal to replace the traditional stainless steel wiring terminal, thereby solving the problem that the wiring board is easy to break in the using process, reducing the wiring workload and greatly lightening the labor intensity of workers;
2. the printed circuit board has good product consistency, can adopt standardized design, and is beneficial to realizing mechanization and automation in the production process;
3. meanwhile, the whole wiring device after assembly and debugging can be used as an independent spare part, so that the exchange and maintenance of the whole machine product are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Description of reference numerals
1-external connection of a lead;
2-a housing component; 21-a housing wire hole; 22-positive and negative reference numerals; 23-housing attachment holes;
3-a wiring terminal;
4-a printed circuit board; 41-circuit board connection hole;
5-temperature measuring element conducting wire;
6-a thermo-sensitive element;
7-connector.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the invention in a schematic manner, and only the components related to the invention are shown in the drawings rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, quantity and proportion of the components in actual implementation may be changed at will, and the layout of the components may be more complicated. The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example one
As shown in fig. 1, the present embodiment provides a wiring device including a housing assembly 2, a connection terminal 3, a printed circuit board 4, a temperature measuring element wire 5, and a thermosensitive element 6. The housing assembly 2 is a cylinder, two housing wire holes 21 penetrating through the top of the housing assembly 2 in the axial direction are formed in the top of the housing assembly, the two housing wire holes 21 are rectangular, and the two housing wire holes 21 are symmetrically arranged along the axis of the housing assembly 2. The external connection lead 1 can be inserted into the wire hole of the connection terminal 3 through the housing wire hole 21. In the present embodiment, positive and negative reference numerals 22 are provided in an integrally molded manner at a position between the two housing line holes 21 on the upper surface of the housing assembly 2; in another embodiment, the positive and negative reference numerals 22 are provided by welding or bonding. The positive and negative marks 22 are used for distinguishing the positive and negative electrodes of the external lead 1, play a role in prompting, and prevent wrong connection so as to avoid potential safety hazards. All set up the shell connecting hole 23 that runs through its axial direction on the both sides of shell subassembly 2, two shell connecting holes 23 set up along shell subassembly 2's axis symmetry.
The printed circuit board 4 is disposed below the housing assembly 2, and the printed circuit board 4 is a circular disk body and has the same diameter as the housing assembly 2. Two circuit board connection holes 41 are formed at the top of the printed circuit board 4, the diameter of the circuit board connection hole 41 is equal to that of the housing connection hole 23, and the positions of the circuit board connection holes 41 formed on the printed circuit board 4 correspond to the positions of the housing connection holes 23 formed on the housing assembly 2. The printed circuit board 4 and the housing assembly 2 are fixed to the junction box by inserting bolts into the housing connection holes 23 and the circuit board connection holes 41. The upper surface of the printed circuit board 4 is provided with two connection terminals 3, the two connection terminals 3 are electrically connected to the printed circuit board 4, and in the present embodiment, the two connection terminals 3 are fixed to the printed circuit board 4 by soldering. The two terminals 3 are arranged symmetrically along the axis of the printed circuit board 4. In the present embodiment, the terminal 3 is a spring terminal; in other embodiments, the terminal 3 may be a screw press type terminal. The external lead 1 passes through the shell wire hole 21 and is detachably inserted into the wire hole of the wiring terminal 3, and the external lead 1 is electrically connected with the wiring terminal 3. The upper end of the temperature-measuring-element wire 5 is electrically connected to the top of the printed circuit board 4, and in the present embodiment, the upper end of the temperature-measuring-element wire 5 is connected to the top of the printed circuit board 4 by soldering. The lower end of the temperature measuring element lead 5 is electrically connected with the thermosensitive element 6.
The electric signal of the thermosensitive element 6 is transmitted to the external lead 1 through the temperature measuring element lead 5, the printed circuit board 4 and the wiring terminal 3 to complete wiring. Binding post 3's wiring hole is towards shell subassembly 2, and spring binding post 3 can use the mode that plain end screwdriver pressed the button to open and lock the wiring hole, and the wiring is nimble, realizes the function that external conductor 1 can be plugged, easy to assemble and dismantlement. The cross-sectional area of shell line hole 21 is equal to the cross-sectional area of binding post 3 top surface, can make the wiring hole at binding post 3 top spill, makes things convenient for the wiring. The soldering positions are coated with positioning insulating glue, so that the soldering points are further reinforced, and the effects of insulation, moisture prevention and corrosion prevention are achieved.
Example two
The difference from the first embodiment is that: the bottom of the printed circuit board 4 is connected with a pad through welding, the upper end of a male part of the connector 7 is welded on the pad at the bottom of the printed circuit board 4, the male part of the connector 7 is electrically connected with the printed circuit board 4, and the lower end of a female part of the connector 7 is electrically connected with the temperature measuring element lead 5. The male part lower end and the female part upper end of the connector 7 are detachably connected, so that the printed circuit board 4 and the temperature measuring element lead 5 are detachably connected, and the pluggable function of the temperature measuring element lead 5 is realized.
The electric signal of the thermosensitive element 6 is transmitted to the external lead 1 through the temperature measuring element lead 5, the connector 7, the printed circuit board 4 and the wiring terminal 3 to complete wiring. After optimization and improvement, the temperature measuring element wire 5 and the external wire 1 in the embodiment 2 can both realize pluggable functions, and are convenient to install and disassemble.
As described above, the wiring device of the present scheme has the following beneficial effects:
1. the scheme uses the printed circuit board 4 to replace the traditional ceramic wiring board and uses the wiring terminal 3 to replace the traditional stainless steel wiring terminal, thereby solving the problem that the wiring board is easy to break in the using process, reducing the wiring workload and greatly lightening the labor intensity of workers;
2. the printed circuit board 4 has good product consistency, can adopt standardized design, and is beneficial to realizing mechanization and automation in the production process;
3. meanwhile, the whole wiring device after assembly and debugging can be used as an independent spare part, so that the exchange and maintenance of the whole machine product are facilitated.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A wiring device, comprising:
the printed circuit board is used for being connected with the junction box;
the first end of the connecting terminal is arranged on the printed circuit board and is electrically connected with the printed circuit board, and the second end of the connecting terminal is used for being electrically connected with an external lead;
and the thermosensitive element is arranged on one side of the printed circuit board, which is far away from the wiring terminal, and is electrically connected with the printed circuit board.
2. The wiring lug of claim 1, wherein: the wiring device further comprises a connector, wherein a first end of the connector is detachably and electrically connected with the printed circuit board, and a second end of the connector is electrically connected with the thermosensitive element.
3. The wiring lug of claim 2, wherein: the wiring device further comprises a temperature measuring element lead, and two ends of the temperature measuring element lead are respectively and electrically connected with the thermosensitive element and the connector.
4. The wiring lug of claim 1, wherein: the wiring device further comprises a temperature measuring element lead, and two ends of the temperature measuring element lead are respectively and electrically connected with the thermosensitive element and the printed circuit board.
5. The wiring device according to claim 1 or 2, characterized in that: the wiring device further comprises a shell assembly, the shell assembly is connected with the printed circuit board, and at least one shell wire hole used for penetrating an external lead is formed in the shell assembly.
6. The wiring lug of claim 5, wherein: the shell component is provided with a shell connecting hole, the printed circuit board is provided with a circuit board connecting hole matched with the shell connecting hole, and the shell connecting hole and the circuit board connecting hole are both used for being fixed with the junction box.
7. The wiring lug of claim 6, wherein: the diameter of the shell connecting hole is equal to that of the circuit board connecting hole.
8. The wiring lug of claim 5, wherein: the projection area of the shell wire hole on the horizontal plane is equal to the projection area of the wiring terminal on the horizontal plane.
9. The wiring lug of claim 5, wherein: and the shell component is provided with positive and negative labels for distinguishing the positive and negative electrodes of the external lead.
10. The wiring lug of claim 1, wherein: the wiring terminal comprises a spring type wiring terminal and a screw crimping type wiring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123432790.5U CN216598946U (en) | 2021-12-30 | 2021-12-30 | Wiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123432790.5U CN216598946U (en) | 2021-12-30 | 2021-12-30 | Wiring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216598946U true CN216598946U (en) | 2022-05-24 |
Family
ID=81631611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123432790.5U Active CN216598946U (en) | 2021-12-30 | 2021-12-30 | Wiring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216598946U (en) |
-
2021
- 2021-12-30 CN CN202123432790.5U patent/CN216598946U/en active Active
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