CN219643246U

CN219643246U - Outdoor power supply connector with NTC thermistor

Info

Publication number: CN219643246U
Application number: CN202321208777.8U
Authority: CN
Inventors: 杜金良; 曾小龙; 吴洪; 于宗海; 吕兴琛
Original assignee: Sichuan Yonggui Science and Technology Co Ltd
Current assignee: Sichuan Yonggui Science and Technology Co Ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-05
Anticipated expiration: 2033-05-18

Abstract

The utility model discloses an outdoor power connector with an NTC thermistor, which comprises a connector plug and a connector socket which are spliced and fixed by a metal wrench; the wiring assembly is arranged in the connector plug and comprises a plug plastic cover body, a thermistor assembly and a wiring frame assembly, wherein the plug plastic cover body is formed by a plug plastic upper cover and a plug plastic lower cover which are mutually covered up and down, the thermistor assembly is connected with a signal pin of the connector socket and is arranged between the two wiring frame assemblies which are arranged left and right, and the thermistor assembly and the wiring frame assembly are arranged in the plug plastic cover body. The NTC thermistor component is added, is used for detecting the temperature of an outdoor power connector, prevents burn-in caused by abnormal temperature, is simple in structure, effectively reduces the size and increases the current carrying area through the wire frame component in a wire frame and plug power terminal combination mode, and is additionally provided with the sealing ring structure to enhance the sealing protection effect.

Description

Outdoor power supply connector with NTC thermistor

Technical Field

The utility model relates to the technical field of outdoor power connectors, in particular to an outdoor power connector with an NTC thermistor.

Background

At present, an outdoor power supply connector used on an outdoor base station has a complex product structure, a large volume and a complex production process because of the input and output of a high-current power supply and does not contain an NTC detector.

Therefore, the outdoor power connector is required to develop to be light, so that the outdoor power connector is convenient to carry, install and replace, and simultaneously, the input and output of a high-current power supply are met.

Disclosure of Invention

In order to solve the technical problems of complex structure, large volume and the like of products of an outdoor power connector in the prior art, the utility model aims to provide the outdoor power connector with the NTC thermistor.

The utility model solves the problems by the following technical proposal:

an outdoor power connector with an NTC thermistor comprises a connector plug and a connector socket, wherein the connector plug and the connector socket are spliced and fixed through a metal wrench;

the wiring assembly is arranged in the connector plug and comprises a plug plastic cover body, a thermistor assembly and a wiring frame assembly, wherein the plug plastic cover body is formed by a plug plastic upper cover and a plug plastic lower cover which are mutually covered up and down, the thermistor assembly is connected with a signal pin of the connector socket and is arranged between the two wiring frame assemblies which are arranged left and right, and the thermistor assembly and the wiring frame assembly are arranged in the plug plastic cover body.

As a further improvement, the thermistor assembly comprises a signal jack, signal plastic and an NTC thermistor, wherein the signal jack is arranged in the signal plastic in an inserted manner, and the NTC thermistor is arranged at the tail end of the signal jack.

As a further improvement, the wire frame assembly comprises a stainless steel sleeve, a plug power terminal, a wire frame and a wire pressing plate component, wherein one end of the plug power terminal is inserted into the wire frame provided with the wire pressing plate component, and the other end of the plug power terminal is sleeved with the stainless steel sleeve and connected with a socket terminal of a connector socket.

As a further improvement, the wire frame assembly further comprises a transparent observation window, and the transparent observation window is matched with the plug plastic lower cover, the wire frame and the plug power terminal plug-in card in sequence.

As a further improvement, the line ball board part includes plane line ball board, L type line ball board and riveting screw, and L type line ball board and plane line ball board set up around in the terminal box, and riveting screw passes the terminal box and is connected with L type line ball board and plane line ball board riveting respectively, and plane line ball board and L type line ball board are located plug power terminal middle part.

As a further improvement, the plug power terminal is provided with a U-shaped end, the U-shaped end is inserted into the wire frame, and the inner bottom surface of the U-shaped end is provided with a stamping straight line connected with the wire.

As a further improvement, the wire hole of the plastic lower cover of the plug is arranged into a waist-shaped oblong shape, so that the wire insulation layer is prevented from being damaged due to interference with the plastic lower cover of the plug when the wire pressing plate of the lock screw presses down the wire.

As a further improvement, the connector plug comprises a plug shell, a cable sealing ring, a plastic nut, a plug drawstring and a plug, wherein the plug shell is directly connected with the connector socket, and the plug shell is clamped and fixed with a metal wrench;

the front end of the plug shell is connected with a plastic nut, a plug is arranged on the front end cover of the plastic nut, and a plug pull belt connected with the plug is sleeved between the plug shell and the plastic nut; one end of the cable sealing ring is arranged in the plug shell, and the other end of the cable sealing ring penetrates through the plastic nut and is arranged outside the plastic nut.

As a further improvement, the connector socket comprises a metal shell, a socket plastic base, a socket plastic rear cover, socket terminals and signal pins, wherein the metal shell is connected with the socket plastic rear cover, the socket plastic base is arranged in the metal shell, the two socket terminals are respectively inserted into the socket plastic base, the signal pins are inserted into the socket plastic base and are positioned between the two socket terminals, and the signal pins are also connected with the thermistor component.

As a further improvement, the connector socket further comprises a terminal sealing ring sleeved outside the socket terminal.

As a further improvement, the connector socket is provided with a plurality of sealing rings, and the connector socket at least comprises a sealing ring I, a sealing ring II and a sealing ring III, wherein the sealing ring I is sleeved outside one end of the socket plastic base close to the socket plastic rear cover, and the sealing ring II and the sealing ring III are arranged in the socket shell.

Compared with the prior art, the utility model has the following advantages:

the NTC thermistor component is added, is used for detecting the temperature of an outdoor power connector, prevents burn-in caused by abnormal temperature, has a simple structure, effectively reduces the size, increases the current carrying area and has the stamping straight lines which are reliably contacted with the wires on the inner bottom surface of the plug power terminal by the wire frame component in a wire frame and plug power terminal combination mode, so that 125A high current can be stably introduced, and the wire pulling-out force can be increased; a visual window is arranged on the side face of the wiring frame, so that the situation of the wiring position can be observed conveniently. In addition, the line ball board is not higher than the line ball board plane after riveting with the riveting screw, can also reduce the cutting with the bare wire of wire, and more reliable and stable when the wire is wired also can avoid the wire to be damaged. The terminal sealing ring subjected to rounding treatment is adopted, so that the terminal sealing ring is prevented from being scratched by the edge of the socket terminal, and the sealing effect is enhanced; and a sealing piece is assembled between the socket plastic rear cover and the socket plastic base, and the socket integrally meets the IP67 sealing protection effect through extrusion between plastic assembling.

Drawings

Fig. 1 is a schematic diagram showing an unfolded structure of an outdoor power connector with an NTC thermistor according to the present utility model.

Fig. 2 is an exploded view of the connector plug of the present utility model.

Fig. 3 is an exploded view of the wiring assembly of the present utility model.

Fig. 4 is a schematic structural diagram of a connection frame assembly according to the present utility model.

Fig. 5 is a schematic view of the connector plug of the present utility model after installation.

Fig. 6 is an exploded view of the connector socket of the present utility model.

Fig. 7 is a schematic view of the connector receptacle of the present utility model after installation.

Reference numerals:

1. a connector plug; 11. a plug housing; 12. a plug; 13. a cable seal ring; 14. a plastic nut; 15. a plug drawstring; 2. a wiring assembly; 20. a signal jack; 21. a plug plastic cover; ntc thermistor; 23. a plug power terminal; 24. a wire frame; 25. a transparent viewing window; 26. a wire pressing plate; 27. signal plastic; 28. riveting a screw; 29. a stainless steel sleeve; 30. sticking paper; 3. a connector socket; 31. a metal housing; 32. a socket plastic base; 33. a plastic rear cover of the socket; 34. socket terminals I; 35. socket terminals II; 36. a signal pin; 37. a terminal seal ring; 38. a sealing ring I; 39. a sealing ring II; 40. a sealing ring III; 41. a metal wrench; an m6 nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model based on the embodiments of the utility model.

Examples

Referring to fig. 1, an outdoor power connector with an NTC thermistor comprises a connector plug 1, a wiring assembly 2 and a connector socket 3, wherein the connector plug and the connector socket are spliced and fixed by a metal wrench; the wiring assembly is arranged in the connector plug and comprises a plug plastic cover body, a thermistor assembly and a wiring frame assembly, wherein the plug plastic cover body is formed by a plug plastic upper cover and a plug plastic lower cover which are mutually covered up and down, the thermistor assembly is connected with a signal pin of the connector socket and is arranged between the two wiring frame assemblies which are arranged left and right, and the thermistor assembly and the wiring frame assembly are arranged in the plug plastic cover body.

Further, the thermistor assembly comprises a signal jack, signal plastic and an NTC thermistor, wherein the signal jack is arranged in the signal plastic in an inserted mode, and the NTC thermistor is arranged at the tail end of the signal jack. The wire frame assembly comprises a stainless steel sleeve, a plug power terminal, a wire frame and a wire pressing plate component, one end of the plug power terminal is inserted into the wire frame provided with the wire pressing plate component, and the other end of the plug power terminal is sleeved with the stainless steel sleeve and connected with a socket terminal of the connector socket. The wire frame assembly further comprises a transparent observation window, and the transparent observation window is matched with the plug plastic lower cover, the wire frame and the plug power terminal plug card in sequence. The line ball board part includes plane line ball board, L type line ball board and rivets the pressure screw, and L type line ball board and plane line ball board set up around in the terminal box, rivet the pressure screw and pass the terminal box and be connected with L type line ball board and plane line ball board, and plane line ball board and L type line ball board are located plug power terminal middle part. The plug power terminal is provided with a U-shaped end, the U-shaped end is inserted into the wiring frame, and the inner bottom surface of the U-shaped end is provided with stamping straight lines connected with the wires.

The connector plug comprises a plug shell, a cable sealing ring, a plastic nut, a plug pull belt and a plug, wherein the plug shell is directly connected with the connector socket, and the plug shell is clamped and fixed with the metal wrench; the front end of the plug shell is connected with a plastic nut, a plug is arranged on the front end cover of the plastic nut, and a plug pull belt connected with the plug is sleeved between the plug shell and the plastic nut; one end of the cable sealing ring is arranged in the plug shell, and the other end of the cable sealing ring penetrates through the plastic nut and is arranged outside the plastic nut.

The connector socket comprises a metal shell, a socket plastic base, a socket plastic rear cover, socket terminals and signal pins, wherein the metal shell is connected with the socket plastic rear cover, the socket plastic base is arranged in the metal shell, the two socket terminals are inserted into the socket plastic base, the signal pins are inserted into the socket plastic base and are located between the two socket terminals, and the signal pins are also connected with the thermistor assembly. The connector socket further comprises a terminal sealing ring sleeved outside the socket terminal. The connector socket is provided with a plurality of sealing rings, and at least comprises a sealing ring I, a sealing ring II and a sealing ring III, wherein the sealing ring I is sleeved outside one end of the socket plastic base close to the socket plastic rear cover, and the sealing ring II and the sealing ring III are arranged in the socket shell.

Specifically, referring to fig. 1-7, the connector plug 1 includes a plug housing 11, a plug 12, a cable sealing ring 13, a plastic nut 14, a plug pull strap 15, and the like, wherein a wiring component is disposed in a rear end of the plug housing 11, the plastic nut 14 is disposed outside a front end of the plug housing 11 through a plurality of locking grooves, one end of the cable sealing ring 13 is disposed in the plug housing 11 sleeved with the plastic nut 14, the other end of the cable sealing ring 13 passes through the plastic nut 14 and is disposed outside the plastic nut 14, one end of the plug 12 is fixed with one end of the plug pull strap 15, the other end of the plug pull strap 15 is sleeved outside the plug housing 11 and is located at a rear side of the plastic nut 14, a wire extends from the plastic nut to cover a front end of the plastic nut 14 after a plug power terminal of the wiring component is connected with the wire, and when the wire is not connected, the plug performs a covering seal on the front end of the plastic nut 14. When the plug is assembled, firstly, the wiring assembly 2 is arranged in the plug shell 11, one end of the cable sealing ring 13 is arranged in the plug shell 11, the plug pull belt 15 is connected with the plug 12 to form a plug assembly, and the plug pull belt 15 of the plug assembly is arranged in a position corresponding to the plug shell 11 from the front end; and then the plastic nut 14 is screwed into the plug shell 11 from the front end, and the plug 12 of the plug assembly is arranged on the plastic nut 14 to finish the installation of the connector plug.

The connector receptacle 3 includes: the socket comprises a metal shell 31, a socket plastic base 32, a socket plastic rear cover 33, a socket terminal I34, a socket terminal II 35, a signal contact pin 36, a terminal sealing ring 37, a sealing ring I38, a sealing ring II 39, a sealing ring III 40, a metal wrench 41, an M6 nut 42 and the like, wherein the rear end of the metal shell 31 is spliced with the front end of the socket plastic rear cover 33, the socket plastic base 32 is arranged in the metal shell 31, one end of the socket terminal I34 and one end of the socket terminal II 35 are inserted into the socket plastic base 32 back and forth and are connected with a plug power terminal, and the other end of the socket terminal I34 and the other end of the socket terminal II 35 are connected with a power supply of a circuit board; one end of a signal pin insert 36 is inserted into the socket plastic base 32 and connected with the signal jack, and is positioned between a socket terminal I34 and a socket terminal II 35 which are arranged front and back, the other end of the signal pin insert 36 is connected with signals of a circuit board, a corresponding through hole is formed in the socket plastic base 32, the socket terminal I34, the socket terminal II 35 and the signal pin insert 36 are conveniently isolated, a terminal sealing ring 37 is sleeved outside the socket terminal I34 and the socket terminal II 35, and the terminal sealing ring is subjected to rounding treatment, so that the terminal sealing ring is prevented from being scratched by edges of the socket terminal, and the sealing effect is enhanced; a sealing piece can be assembled between the socket plastic rear cover and the socket plastic base, and the socket integrally meets the IP67 sealing effect through extrusion between plastic assembling. Further, the sealing ring I38 and the sealing ring II 39 are sleeved between the outside of the socket plastic base 32 and the metal shell 31, the metal wrench 41 is clamped on a circular protruding portion outside the metal shell 31, the M6 nut 42 is arranged in the socket plastic rear cover 33 and located on one side of the socket terminal I34 and one side of the socket terminal II 35, so that other components such as screws penetrate through the socket terminal I34 and the socket terminal II 35 to be connected with the M6 nut 42, and the socket terminal I34 and the socket terminal II 35 are installed and fixed. When in assembly, the signal pin 36 is pressed into the socket plastic base 32, and the signal wire is welded and led out; the sealing ring I38 is arranged outside the socket plastic base 32 to the opposite position, and the socket plastic base 32 is arranged inside the metal shell 31; then the terminal sealing ring 37 is sleeved into the socket terminal I34 and the socket terminal II 35 respectively; and the socket terminal I34 and the socket terminal II 35 which are provided with the terminal sealing rings are arranged in the socket plastic base 32; the M6 nut 42 is installed in the socket plastic back cover 33, and then the socket plastic back cover 33 is installed in the connector socket; and a metal wrench 41 is attached to the metal shell 31, and a seal ring ii 39 and a seal ring iii 40 are respectively attached to the socket shell 31. In this embodiment, the plastic rear cover of the socket adopts an up-down stepped terminal structure, the socket terminals are simple in structure and can be shared, the two socket terminals are parallel to each other, the output modes of one another up and down, one left and one right are achieved, and the mode is convenient for access and use.

The wiring assembly 2 comprises signal jacks 20, a plug plastic cover body 21, an NTC thermistor 22, a plug power terminal 23, a wiring frame 24, a transparent observation window 25, a wire pressing plate 26, signal plastics 27, riveting screws 28, stainless steel sleeves 29, a sticker 30 and the like, wherein the plug plastic cover body 21, the NTC thermistor 22, the plug power terminal 23, the wiring frame 24, the transparent observation window 25, the wire pressing plate 26, the signal plastics 27, the riveting screws 28, the stainless steel sleeves 29, the sticker 30 and the like are formed by mutually covering up and down plug plastic upper covers and plug plastic lower covers, one end of the signal plastics 27 is inserted with a signal jack 20, the NTC thermistor 22 is arranged between the two signal jacks 20, the stainless steel sleeves 29 are respectively sleeved at one ends of the signal plastics 27, the other ends of the plug power terminal 23 are inserted into the wiring frame 24, screw holes are formed above the wiring frame 24, the wire pressing plate parts are fixedly pressed by the riveting screws 28 through the screw holes above the wiring frame 24, cutting between bare wires is reduced when the wire is pressed, and the wire is more reliably prevented from being riveted when the wire is damaged; a transparent observation window mounting opening for mounting the transparent observation window 5 is formed on the side surface of the wire frame 24, and an opening is formed on the plug plastic lower cover corresponding to the transparent observation window mounting opening, so that the transparent observation window 5 is covered on the transparent observation window mounting opening through the opening, and the situation of the wiring position of the wires in the plug power terminal can be observed through the transparent observation window; in this embodiment, the wire pressing plate component includes a planar wire pressing plate and an L-shaped wire pressing plate, and the planar wire pressing plate and the L-shaped wire pressing plate are disposed in the wire frame 24 in front and back, and the vertical portion of the L-shaped wire pressing plate extends out of the wire frame 24; the positive electrode sticker 30 and the negative electrode sticker 30 are attached to the plastic upper cover of the plug. When in assembly, the L-shaped line pressing plate and the plane line pressing plate are riveted with the riveting screw 28 in the wire frame 24; assembling the U-shaped end of the plug power terminal 23 and the assembly before riveting, and loading the stainless steel sleeve 29 into the contact end of the plug power terminal 23 to form a wire frame assembly before assembling; two wire frame components are arranged in the corresponding positions of the plastic lower plug cover, and then the transparent observation window 25 is arranged in the corresponding positions of the plastic lower plug cover; the NTC thermistor 22 is welded with one end of the signal jack 20 and is arranged in the signal plastic 27 to form a thermistor assembly, and preferably, a scissors-shaped groove connected with the NTC thermistor is arranged at the tail end of the signal jack, so that the assembly efficiency of the NTC thermistor is improved; the NTC thermistor assembly is simple in assembly mode, and the temperature of a contact area can be accurately sensed and fed back in real time at the installation position; then the thermistor assembly is put into the corresponding position of the plastic lower cover of the plug; the upper plug plastic cover and the lower plug plastic cover provided with the wire frame component and the thermistor component are buckled up and down, so that the wire frame component and the thermistor component can be reliably and stably fixed in the plastic plug cover, and the product size can be reduced while the functional requirements can be met; finally, the negative and positive stickers 30 are attached to the corresponding positions of the upper cover of the plug plastic. In the embodiment, the wiring assembly can meet the requirement of accessing the cable with the maximum 35mm < 2 > in a limited space, and can be compatible with a round molded line and a D molded line.

One end of the metal wrench 41 is rotatably arranged outside the metal shell 31, and the other end of the metal wrench 41 is clamped with the plug shell 11 by rotating to realize the connection and installation of the connector plug 1 and the connector socket 3; when the metal wrench is matched with the connecting shaft of the metal shell, the structure can effectively ensure smooth and reliable relative movement of the metal wrench and the metal shell. The metal shell also has a stop structure, has a foolproof effect during assembly, prevents deformation damage caused by overpressure of the metal wrench when the metal shell is not matched, and can also enable installation to be more convenient.

The NTC thermistor component is added, is used for detecting the temperature of an outdoor power connector, prevents burn-in caused by abnormal temperature, has a simple structure, effectively reduces the size, increases the current carrying area and has the stamping straight lines which are reliably contacted with the wires on the inner bottom surface of the plug power terminal by the wire frame component in a wire frame and plug power terminal combination mode, so that 125A high current can be stably introduced, and the wire pulling-out force can be increased; a visual window is arranged on the side face of the wiring frame, so that the situation of the wiring position can be observed conveniently. In addition, the line ball board is riveted with the riveting screw, can also reduce the cutting with the wire bare wire between, and more reliable stability when the wire is wired also can avoid the wire to be damaged. The terminal sealing ring subjected to rounding treatment is adopted, so that the terminal sealing ring is prevented from being scratched by the edge of the socket terminal, and the sealing effect is enhanced; and a sealing piece is assembled between the socket plastic rear cover and the socket plastic base, and the socket integrally meets the IP67 sealing effect through extrusion between plastic assembling.

Although the utility model has been described herein with reference to the above-described illustrative embodiments thereof, the foregoing embodiments are merely preferred embodiments of the present utility model, and it should be understood that the embodiments of the present utility model are not limited to the above-described embodiments, and that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure.

Claims

1. The outdoor power connector with the NTC thermistor is characterized by comprising a connector plug and a connector socket, wherein the connector plug and the connector socket are spliced and fixed through a metal wrench; the wiring assembly is arranged in the connector plug and comprises a plug plastic cover body, a thermistor assembly and a wiring frame assembly, wherein the plug plastic cover body is formed by a plug plastic upper cover and a plug plastic lower cover which are mutually covered up and down, the thermistor assembly is connected with a signal pin of the connector socket and is arranged between the two wiring frame assemblies which are arranged left and right, and the thermistor assembly and the wiring frame assembly are arranged in the plug plastic cover body.

2. The outdoor power connector with an NTC thermistor according to claim 1, wherein the thermistor assembly includes a signal jack, a signal plastic and an NTC thermistor, the signal plastic is internally inserted with the signal jack, and an NTC thermistor is disposed at a tail end of the signal jack.

3. The outdoor power connector with NTC thermistor according to claim 1, characterized in that the wire frame assembly comprises a stainless steel sleeve, a plug power terminal, a wire frame and a wire pressing plate member, one end of the plug power terminal is inserted into the wire frame provided with the wire pressing plate member, and the other end of the plug power terminal is sleeved with the stainless steel sleeve and is connected with a socket terminal of a connector socket.

4. An outdoor power connector with an NTC thermistor according to claim 3, characterized in that the wire frame assembly further comprises a transparent viewing window which is in turn mated with the plug plastic lower cover, the wire frame and the plug power terminal card.

5. The outdoor power supply connector with the NTC thermistor according to claim 3, wherein the wire pressing plate part comprises a planar wire pressing plate, an L-shaped wire pressing plate and riveting screws, the L-shaped wire pressing plate and the planar wire pressing plate are arranged in the wire frame front and back, the riveting screws penetrate through the wire frame and are respectively in riveting connection with the L-shaped wire pressing plate and the planar wire pressing plate, and the planar wire pressing plate and the L-shaped wire pressing plate are located in the middle of the plug power terminal.

6. The outdoor power connector of claim 5, wherein the plug power terminal has a U-shaped end inserted into the wire frame, and wherein the inner bottom surface of the U-shaped end is formed with a stamped straight line connected to the wire.

7. The outdoor power connector with the NTC thermistor according to claim 1, characterized in that the connector plug comprises a plug housing, a cable sealing ring, a plastic nut, a plug pull strap and a plug, the plug housing is directly connected with the connector socket, and the plug housing is clamped and fixed with a metal wrench;

8. The outdoor power connector with the NTC thermistor according to claim 1, wherein the connector socket includes a metal housing, a socket plastic base, a socket plastic rear cover, socket terminals and signal pins, the metal housing is connected with the socket plastic rear cover, the socket plastic base is provided in the metal housing, the two socket terminals are respectively inserted into the socket plastic base, the signal pins are inserted into the socket plastic base and between the two socket terminals, and the signal pins are also connected with the thermistor assembly.

9. The outdoor power connector of claim 8, wherein the connector hub further comprises a terminal seal ring, the terminal seal ring being disposed over the hub terminals.

10. The outdoor power supply connector with the NTC thermistor according to claim 8, wherein the connector socket is provided with a plurality of sealing rings, at least comprising a sealing ring I, a sealing ring II and a sealing ring III, wherein the sealing ring I is sleeved outside one end of the socket plastic base close to the socket plastic rear cover, and the sealing ring II and the sealing ring III are arranged in the socket shell.