CN218274011U - Round wire harness with mixed power supply and signal - Google Patents
Round wire harness with mixed power supply and signal Download PDFInfo
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- CN218274011U CN218274011U CN202221281883.4U CN202221281883U CN218274011U CN 218274011 U CN218274011 U CN 218274011U CN 202221281883 U CN202221281883 U CN 202221281883U CN 218274011 U CN218274011 U CN 218274011U
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Abstract
The utility model provides a power and signal mixed round wire harness, which comprises a plug and a round cable, wherein the cable comprises a power line, a flat cable, an aluminum foil and a cable jacket, the flat cable wraps the power line, the aluminum foil wraps the outer side of the flat cable, and the cable jacket wraps the outer side of the aluminum foil; the flat cable at the front end of the cable is connected with a plug pressing flat bus bar, the power line at the front end of the cable is connected with a crown spring terminal, the flat cable at the rear end of the cable is connected with a tail pressing flat bus bar, and the power line at the rear end of the cable is connected with a lug; the plug comprises a framework, an inner die and an outer die, wherein a cavity is formed in the framework, crown spring bosses are respectively arranged at two ends of the cavity, the plug wire pressing bus bar is installed in the cavity, and the crown spring terminals are installed in jacks of the crown spring bosses; the inner die surrounds the lower half part of the framework and wraps the front end of the cable, and the outer die surrounds the upper half part of the framework and is integrally arranged with the cable. The wire harness has the advantages of strong universality, flexible insertion and good waterproofness.
Description
Technical Field
The utility model relates to a connector, wire rod, LED display screen technical field, specific theory has related to a power and signal loads in mixture circle pencil.
Background
The LED display screen is basically of a module structure, the adopted point light sources are LED lamp beads, and the LED display screen is divided into a common-cathode mode and a common-anode mode according to the adopted technical scheme. The current of the common-anode display screen flows to the lamp beads from the PCB, and the RGB lamp beads supply power uniformly. The common-cathode display screen adopts common-cathode lamp beads, and R and GB are separately supplied with power. The negative electrode is the negative electrode, and the current passes through the lamp bead and then reaches the IC negative electrode, which is opposite to the positive electrode (positive electrode). Here RGB refers to the three primary colors red, green and blue.
These two different technical modes result in two different ways of supplying power.
In the case of common anode, a positive electrode and a negative electrode are required, wherein the voltage of the positive electrode is required to be more than 3.8V; in the case of common cathode, two positive electrodes and one negative electrode are required, one positive electrode is 2.8V, and the other positive electrode is 3.8V. The two power supply modes result in two different interfaces, which increases technical difficulty, and the configuration of the module results in one interface corresponding to one external member (bottom shell), thereby greatly increasing cost.
And the module has big or small, brings the intensity of current big or small like this, and the signal quantity that needs control also has more or less, more brings the non-uniformity of interface size like this.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough of prior art to a power and signal that the commonality is strong, nimble grafting, waterproof nature is good are loaded in mixture and are restrainted round wire is provided.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a power supply and signal mixed round wire harness comprises a plug and a round cable, wherein the cable comprises a power line, a flat cable, an aluminum foil and a cable jacket, the flat cable wraps the power line, the aluminum foil wraps the outer side of the flat cable, and the cable jacket wraps the outer side of the aluminum foil;
the flat cable at the front end of the cable is connected with a plug pressing flat bus bar, the power line at the front end of the cable is connected with a crown spring terminal, the flat cable at the rear end of the cable is connected with a tail pressing flat bus bar, and the power line at the rear end of the cable is connected with a lug;
the plug comprises a framework, an inner die and an outer die, wherein a cavity is formed in the framework, crown spring bosses are respectively arranged at two ends of the cavity, the plug wire pressing bus bar is installed in the cavity, and the crown spring terminals are installed in jacks of the crown spring bosses;
the inner die surrounds the lower half part of the framework and wraps the front end of the cable, and the outer die surrounds the upper half part of the framework and is integrally arranged with the cable.
Basically, the inner die and the outer die are integrally formed through injection molding.
On the basis, one side of the inner die is provided with an inner die net tail wrapping the cable, and the same side of the outer die is provided with an outer die net tail wrapping the inner die net tail in a matching manner.
Basically, the periphery of the outer die is provided with through holes.
Basically, both ends of the outer die are provided with handle bosses.
Basically, the framework is provided with a limiting boss.
Basically, the center of the crown spring terminal and the center line of the plug wire pressing row bus are positioned on the same straight line.
Basically, the plug wire pressing row bus and the crown spring terminal are positioned on the central line of the outer die.
Basically, the material of skeleton, external mold is nylon, the material of centre form and cable overcoat is PVC.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses a with the winding displacement assemble with the power cord edge rolling, can utilize the winding displacement can the crimping arrange the characteristics of female adaptation row needle on the one hand, owing to circular being different from the characteristics that the flat line does not have the direction on the other hand, make things convenient for the customer to integrate the cable. Simultaneously, the aluminum foil is additionally arranged on the round wire, and the EMC test effect is good.
The plug adopts a three-section structure of a skeleton, an inner mold and an outer mold, on one hand, the skeleton can be newly developed to adapt to different types of module interfaces such as 20+3, 24+3, 16+2, 20+2 and 24+2, and meanwhile, as the inner mold and the outer mold are not changed, the size of an installation opening can be ensured not to be changed, the unification of the size of the interface is ensured, and the expandability of a product is reserved.
The plug adopts the mode that the inner die and the outer die are fused with the cable, so that the waterproof reliability is ensured. Especially adopt the nylon material as plug outer mould material, guaranteed firm and the straightness of plug product on the one hand, the tight cable of package on the other hand, waterproof grade improves greatly, can reach IP67 to the highest.
Drawings
Fig. 1 is the whole structure diagram of the round wire harness for mixing the power supply and the signal in the utility model.
Fig. 2 is a schematic structural diagram of the power supply and signal mixed round wire harness removing external mold and internal mold of the present invention.
Fig. 3 is a schematic structural view of the power and signal mixed round wire harness removing outer mold of the present invention.
Fig. 4 is a schematic structural diagram of the cable according to the present invention.
Fig. 5 is a schematic diagram of various specifications of the middle frame of the present invention.
Fig. 6 is a schematic diagram of the operation of the common cathode mode in the present invention.
Fig. 7 is a working principle diagram of the common mode of the present invention.
In the figure: 1. a cable; 2. arranging wires; 3. a power line; 4. aluminum foil; 5. a cable jacket; 6. a plug; 7. a wire ear; 8. pressing the wire tail to arrange a bus; 9. a framework; 10. a crown spring terminal; 11. the plug presses the line to arrange mother; 12. an inner mold; 13. an outer mold; 14. an outer mould net tail; 15. a through hole; 16. a handle boss; 17. an inner mould net tail; 18. a limiting boss; 19. a crown spring boss; 20. a cavity; 21. a control box; 22. an AC to DC power supply module; 23. and (5) a module.
Detailed Description
The technical solution of the present invention will be described in further detail through the following embodiments.
As shown in fig. 1-5, a round wire harness for mixed loading of power and signals comprises a plug 6 and a round cable 1, wherein the cable 1 comprises a power line 3, a flat cable 2, an aluminum foil 4 and a cable jacket 5, the flat cable 2 wraps the power line 3, the aluminum foil 4 wraps the outer side of the flat cable 2, and the cable jacket 5 wraps the outer side of the aluminum foil 4.
By the mode, the signal line and the power line can be separated, the power supply dependence on the bus bar is reduced, and a more flexible combination mode can be used.
The flat cable 2 at the front end of the cable 1 is connected with a plug pressing row bus 11, the power line 3 at the front end is connected with a crown spring terminal 10, the flat cable 2 at the rear end of the cable 1 is connected with a wire pressing row bus 8 and the power line 3 at the rear end is connected with a wire lug 7, the flat cable is pressed in advance by the plug pressing row bus 11, the power line is welded in advance by the crown spring terminal, and then the injection molding is convenient.
The plug 6 comprises a framework 9, an inner die 12 and an outer die 13, wherein a cavity 20 is formed in the framework 9, crown spring bosses 19 are respectively arranged at two ends of the cavity 20, a plug wire pressing bar bus 11 is installed in the cavity 20, and crown spring terminals 10 are installed in jacks of the crown spring bosses 19, so that a bar bus and crown spring terminal composite plug structure is formed.
The distribution form of the crown spring terminals 10 at both ends of the cavity 20 is set to be 1+1 or 2+1 or 1+2 or 2+2 mode, as shown in fig. 5, which expresses how many crown spring terminals are respectively arranged at both ends of the cavity 20, 1+1 indicates the left and right of 1, 1+2 indicates the left and right of 1, 2+1 indicates the left and right of 1, and 2+2 indicates the left and right of 2.
An inner mould net tail 17 is arranged on one side of the inner mould to wrap the cable 1, and an outer mould net tail 14 wrapping the inner mould net tail 17 is arranged on the same side of the outer mould in a matching mode.
The outer mold 13 is provided with through holes 15 at the periphery thereof so as to be mounted on the corresponding side wall of the case.
And both ends of the outer die 13 are provided with handle bosses 16 for convenient insertion and extraction.
The framework 9 is provided with a limiting boss 18 so as to realize alignment and guiding effects with a matching structure on the socket during plugging.
The center of the crown spring terminal 10 and the center line of the plug wire pressing row bus 11 are positioned on the same straight line, and the plug wire pressing row bus 11 and the crown spring terminal 10 are positioned at the center of the outer die 13, so that the appearance and the operability of a product are improved. If bias is required, the device can be customized as required.
In this embodiment, winding displacement 2 is 16 pins in the cable 1, and power cord 3 is 3, a red line, a palm line, a black line, and red line and palm line heart yearn square number are 1.0, and black line square number is 2.0, the 1 biggest external diameter 11mm of cable.
In this embodiment, the crown spring terminals 10 are divided into two groups, one group includes 2 crown spring terminals 1.5, one group includes 1 crown spring terminal 2.5, the crown spring terminal 1.5 is welded with red lines and brown lines, and the crown spring terminal 2.5 is welded with black lines.
The plug wire pressing row bus 11 and the wire tail wire pressing row bus 8 are 16 pins, and the 16pin flat cable 2 in the cable 1 is crimped.
In order to ensure the compact structure of the plug, in the crown spring terminal 10, the distance between two 1.5 crown spring terminals is 5, wherein the two crown springs close to the cavity 20 are centrosymmetric and the relative distance is 36mm.
The mounting opening size is 50 x 20, the middle opening size is 52 x 10, and the length, width and height of the plug are 58 x 28 x 19mm.
In the present embodiment, the lug size on the cable 1 is
Principle of operation
As shown in fig. 6, when the module is in the common-anode mode:
when the power cable is used, the wire ears 7 connected with the red wires and the brown wires of the power line 3 at one end of the cable 1 are overlapped together and fixed on the positive electrode of the alternating current-to-direct current power module 22 in the control box 21 through screws, the wire ears 7 connected with the black wires are fixed on the negative electrode of the alternating current-to-direct current power module 22 through screws, and the tail wire pressing bus bar 8 is inserted into the pin in the control box 21. And the plug 6 is inserted into the interface of the module 23, and the pin array and the pins matched with the crown spring terminals are welded on the PCB board in the interface of the module 23. The plug 8 is fixed to the set of modules 23 by means of the through-hole 15. At this time, the signal in the control box 21 is transmitted to the plug pressing line busbar 11 in the plug 6 through the pin header and the tail pressing line busbar 8 and the flat cable 2, and then is transmitted to the pin header on the PCB board of the module 23 so as to enter the PCB circuit; and the electric current then transmits to red line, the brown line in the power cord 3 through the anodal transmission of interchange in the control box 21 direct current module 22, then transmits to module 23 interface through plug 6 on, through PCB and lamp pearl, returns to exchanging on the direct current module 22 through the black line in the power cord 3 again, lights module 23.
As shown in fig. 7, when the module is in the common cathode mode:
when the cable is used, the wire lugs 7 connected with the red wire and the brown wire of the power line 3 at one end of the cable 1 are respectively fixed on the anode of the alternating current-to-direct current power module 22 in the control box 21 through screws, the wire lugs 7 connected with the black wire are fixed on the cathode of the alternating current-to-direct current power module 22 through screws, and the tail wire pressing bus bar 8 is inserted into the pin in the control box 21. And the plug 6 is inserted into the interface of the module 23, and the pin array and the pins matched with the crown spring terminals are welded on the PCB board in the interface of the module 23. The plug 8 is fixed to the set of modules 23 by means of the through hole 15. At this time, the signal in the control box 21 is transmitted to the plug pressing line busbar 11 in the plug 6 through the pin header and the tail pressing line busbar 8 and the flat cable 2, and then is transmitted to the pin header on the PCB board of the module 23 so as to enter the PCB circuit; and the electric current then transmits to red line, the brown line in the power cord 3 through the anodal of exchanging among the control box 21 and becoming direct current module 22, then transmits to module 23 interface through plug 6 on, through PCB and lamp pearl, on the black line that passes through among the power cord 3 gets back to exchanging direct current module 22, lights module 23.
Finally, it should be noted that the above detailed description of the preferred embodiments of the present patent application is not limited to the above embodiments, and that various changes and modifications can be made within the knowledge of those skilled in the art without departing from the spirit of the present patent application.
Claims (10)
1. The utility model provides a power and signal load in mixture circle pencil which characterized in that: the round-shaped flat cable comprises a plug (6) and a round cable (1), wherein the cable (1) comprises a power line (3), a flat cable (2), an aluminum foil and a cable outer cover (5), the flat cable (2) wraps the power line (3), the aluminum foil (4) wraps the outer side of the flat cable (2), and the cable outer cover (5) wraps the outer side of the aluminum foil (4);
the flat cable (2) at the front end of the cable (1) is connected with a plug wire pressing row bus (11), the power line (3) at the front end is connected with a crown spring terminal (10), the flat cable (2) at the rear end of the cable (1) is connected with a wire pressing row bus (8) at the tail end, and the power line (3) at the rear end is connected with a wire lug (7);
the plug (6) comprises a framework (9), an inner die (12) and an outer die (13), a cavity (20) is formed in the framework (9), crown spring bosses (19) are respectively arranged at two ends of the cavity (20), the plug wire pressing row bus bar (11) is installed in the cavity (20), and the crown spring terminals (10) are installed in jacks of the crown spring bosses (19);
the inner die (12) surrounds the lower half part of the framework (9) and wraps the front end of the cable (1), and the outer die (13) surrounds the upper half part of the framework (9) and is integrally arranged with the cable (1).
2. The power and signal mixed round wire harness according to claim 1, characterized in that: the inner die and the outer die are integrally formed through injection molding.
3. The power and signal mixed round wire harness according to claim 1, characterized in that: an inner mold net tail (17) is arranged on one side of the inner mold to wrap the cable (1), and an outer mold net tail (14) wrapping the inner mold net tail (17) is arranged on the same side of the outer mold in a matched mode.
4. The power and signal mixed round wire harness according to claim 3, characterized in that: through holes (15) are formed in the periphery of the outer die (13).
5. The power and signal mixing round wire harness according to claim 4, characterized in that: and both ends of the outer die (13) are provided with buckle lug bosses (16).
6. The power and signal mixing round wire harness according to claim 5, characterized in that: and the framework (9) is provided with a limiting boss (18).
7. The power and signal mixing round wire harness of claim 6, wherein: the center of the crown spring terminal (10) and the center line of the plug wire pressing row bus (11) are on the same straight line.
8. The power and signal mixed round wire harness according to claim 7, characterized in that: the plug wire pressing row bus (11) and the crown spring terminal (10) are positioned on the center line of the outer die (13).
9. The power and signal mixing round wire harness of claim 8, wherein: the framework (9) and the outer die (13) are made of nylon, and the inner die (12) and the cable outer cover (5) are made of PVC.
10. The power and signal mixing round wire harness of claim 8, wherein: the distribution form of the crown spring terminal (10) at two ends of the cavity (20) is set to be 1+1 or 2+1 or 1+2 or 2+2 mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221281883.4U CN218274011U (en) | 2022-05-25 | 2022-05-25 | Round wire harness with mixed power supply and signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221281883.4U CN218274011U (en) | 2022-05-25 | 2022-05-25 | Round wire harness with mixed power supply and signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218274011U true CN218274011U (en) | 2023-01-10 |
Family
ID=84755608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221281883.4U Active CN218274011U (en) | 2022-05-25 | 2022-05-25 | Round wire harness with mixed power supply and signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218274011U (en) |
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2022
- 2022-05-25 CN CN202221281883.4U patent/CN218274011U/en active Active
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