CN217848463U - Power supply connector and power supply equipment - Google Patents

Abstract

The utility model discloses a power connector and power supply unit. The power connector includes: the bus comprises a bus binding post, a bus, a main circuit bracket and a sealing structure; the first end of the bus binding post is connected with a power line, the second end of the bus binding post is connected with the first bus section of the bus, and the second bus section of the bus is connected with the main circuit bracket; the sealing structure covers the second bus section of the bus; the sealing structure comprises at least one of a sealing cover, a sealing glue and an insulating layer; and sealing layers are arranged on the surfaces of the first bus section of the bus and the second end of the bus binding post. The technical scheme of the embodiment of the utility model prevent that power connector's generating line is corroded by the salt fog, has reached protection power connector's generating line, improves power connector's stability's effect.

Description

Power supply connector and power supply equipment

Technical Field

The utility model relates to a power supply technical field especially relates to a power connector and power supply unit.

Background

With the rapid development of vehicles, the requirements for the stability of devices in the vehicles are higher and higher.

An inverter is arranged in a vehicle to supply power for a power generation all-in-one machine, but the inverter mostly adopts an open scheme, does not perform integral sealing, is easy to corrode, and influences the stability of the inverter.

At present, in order to prevent the inverter from being corroded, a plating layer is arranged on a part, exposed in the environment, of a bus connected with the power connector and the inverter circuit, however, after the bus is connected with the inverter circuit through welding, the plating layer is damaged to a certain extent by high temperature in the welding process, so that the bus is corroded by salt mist, and the stability of the power connector is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power connector and power supply unit to solve power connector's generating line and corroded by salt fog, the unstable problem of power connector.

According to an aspect of the present invention, there is provided a power connector, including: the bus bar connector comprises a bus bar binding post, a bus bar, a main circuit bracket and a sealing structure;

the first end of the bus binding post is connected with a power line, the second end of the bus binding post is connected with the first bus section of the bus, and the second bus section of the bus is connected with the main circuit bracket;

the sealing structure covers the second bus section of the bus; the sealing structure comprises at least one of a sealing cover, a sealant and an insulating layer;

and sealing layers are arranged on the surfaces of the first bus section of the bus and the second end of the bus binding post.

Optionally, the sealing structure comprises the sealing cover and the sealant;

the sealing cover covers the second bus section of the bus, and is connected with the main circuit bracket through a colloid;

the sealant is arranged in the sealing cover and covers the second bus section.

Optionally, the sealing structure comprises the insulating layer;

the insulating layer is deposited on a surface of the second bus-section.

Optionally, the sealing structure comprises the sealant; a wall structure is arranged on the main circuit bracket and surrounds the second bus section;

the sealant is arranged in the wall structure and covers the second bus section.

Optionally, the bus bar comprises a positive bus bar and a negative bus bar; the bus bar binding post comprises a positive bus bar binding post and a negative bus bar binding post;

the first positive bus section of the positive bus is connected with the second end of the positive bus binding post, and the second positive bus section of the positive bus is connected with the main circuit bracket;

the first negative bus section of the negative bus is connected with the second end of the negative bus binding post, and the second negative bus section of the negative bus is connected with the main circuit bracket;

the first positive bus-section is perpendicular to the second positive bus-section and the first negative bus-section is perpendicular to the second negative bus-section.

Optionally, the power connector further comprises a bus capacitor;

the first end of the bus capacitor is electrically connected with the third positive bus section of the positive bus, and the second end of the bus capacitor is electrically connected with the third negative bus section of the negative bus;

the first positive bus-section is perpendicular to the third positive bus-section and the first negative bus-section is perpendicular to the third negative bus-section;

the distance between the third positive bus-section and the third negative bus-section is greater than the distance between the second positive bus-section and the second negative bus-section; and sealant is arranged outside the bus capacitor.

Optionally, the power connector further comprises a common mode coil;

the common mode coil is sleeved on the positive bus and the negative bus.

Optionally, the common mode coil is fixed on the power connector through glue.

Optionally, the positive bus bar and the negative bus bar have the same length.

According to another aspect of the present invention, there is provided a power supply device, the power supply device includes the power connector according to any embodiment of the present invention, and further includes an inverter main circuit;

the inverter main circuit is arranged on a main circuit bracket of the power connector.

The utility model discloses technical scheme, through setting up seal structure, seal structure includes sealed lid, the sealant and the insulating layer in at least one, the second bus-bar section of seal structure cladding generating line to naked part in cladding second bus-bar section and the main circuit leg joint back can protect the generating line not corroded by the environment, avoids the generating line to be corroded by the salt fog, thereby improves power connector's stability. And the surfaces of the first bus section of the bus and the second end of the bus binding post are provided with sealing layers, the sealing layers are plastic rubber coatings, foam rubber and insulating layers, so that the effects of insulation, water resistance and dust resistance are achieved, the bus is further protected from being corroded by the environment, the bus is prevented from being corroded by salt mist, and the stability of the power connector is further improved. The utility model discloses technical scheme has solved power connector's generating line and has been corroded by salt fog, and power connector is unstable problem, prevents that power connector's generating line from being corroded by salt fog, has reached protection power connector's generating line, improves power connector's stability's effect.

It should be understood that the statements herein are not intended to identify key or critical features of any embodiment of the present invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.

Drawings

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

Fig. 1 is a schematic structural diagram of a power connector according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another power connector provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another power connector provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of another power connector provided by an embodiment of the present invention;

fig. 5 is a schematic structural diagram of another power connector provided in an embodiment of the present invention;

fig. 6 is a schematic structural diagram of another power connector provided by an embodiment of the present invention;

fig. 7 is a schematic structural diagram of another power connector according to an embodiment of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," or any other variation thereof, 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.

Fig. 1 is a schematic structural diagram of a power connector according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of another power connector according to an embodiment of the present invention, and referring to fig. 1 and fig. 2, the power connector includes: a bus bar terminal 110, a bus bar 120, a main circuit bracket 130, and a sealing structure 140; a first end of the bus terminal 110 is connected with a power line, a second end of the bus terminal 110 is connected with a first bus section 1201 of the bus 120, and a second bus section 1202 of the bus 120 is connected with the main circuit bracket 130; the seal structure 140 encases the second bus-section 1202 of the bus-bar 120; the sealing structure 140 includes at least one of a sealing cover, a sealing glue, and an insulating layer; the surfaces of the first bus-bar section 1201 of the bus-bar 120 and the second end of the bus-bar terminal 110 are provided with a sealing layer 1101.

The bus 120 is connected to a power line through the bus terminal 110 to obtain a power voltage, and the bus 120 inputs the power voltage to the main circuit bracket 130, so that the inverter main circuit can convert the power voltage into an alternating voltage to supply power to a device to be powered, for example, a power generation and power generation integrated machine in a vehicle, or other devices.

Specifically, by providing the sealing structure 140, the sealing structure 140 covers the second bus section 1202 of the bus 120, so as to cover the exposed portion of the second bus section 1202 after being connected with the main circuit bracket 130, thereby protecting the bus 120 from environmental erosion, avoiding the corrosion of the bus 120 by salt fog, and improving the stability of the power connector. Moreover, the surfaces of the first bus section 1201 of the bus bar 120 and the second end of the bus terminal 110 are provided with a sealing layer 1101, and the sealing layer 1101 is, for example, plastic rubber, foam rubber, or an insulating layer, so that the effects of insulation, water resistance and dust resistance are achieved, the bus bar 120 is further protected from being corroded by the environment, the corrosion of the bus bar 120 by salt mist is avoided, and the stability of the power connector is further improved.

The sealing structure 140 includes at least one of a sealing cover, a sealing glue, and an insulating layer; illustratively, the sealing structure 140 includes, for example, a sealing cap and a sealant, the sealing cap covering the second bus-section 1202 and then covering the second bus-section 1202 with the sealing sealant to effect a seal of the second bus-section 1202; the seal arrangement 140 may also include a seal cover that completely encases the second bus-section 1202 in effect sealing the second bus-section 1202; the sealing structure 140 may also include a sealant, such as a foam sealant, which covers the second bus bar section 1202 to seal the second bus bar section 1202, so as to prevent the bus bar 120 from being corroded by the salt mist; the sealing structure 140 for example comprises an insulating layer covering the surface of the second bus-section 1202, covering the second bus-section 1202, in such a way that the second bus-section 1202 is sealed; the sealing structure 140 for example comprises a sealing cover covering the second bus-section 1202 and an insulating layer covering the second bus-section 1202, which may enhance the sealing effect.

According to the technical scheme, by the aid of the sealing structure, the sealing structure comprises at least one of the sealing cover, the sealing glue and the insulating layer, the second bus section of the bus is coated by the sealing structure, so that the second bus section is coated by the sealing structure, the exposed part of the second bus section is connected with the main circuit support, the bus can be protected from being corroded by the environment, the bus is prevented from being corroded by salt mist, and stability of the power connector is improved. And the surfaces of the first bus section of the bus and the second end of the bus binding post are provided with a sealing layer, and the sealing layer is made of plastic rubber, foam rubber or an insulating layer, so that the effects of insulation, water resistance and dust resistance are achieved, the bus is further protected from being corroded by the environment, the bus is prevented from being corroded by salt mist, and the stability of the power connector is further improved. The technical scheme of the embodiment solves the problems that the bus of the power connector is corroded by salt fog and the power connector is unstable, prevents the bus of the power connector from being corroded by the salt fog, and achieves the effects of protecting the bus of the power connector and improving the stability of the power connector.

In addition, the technical scheme of this embodiment, seal the protection to the exposed part of generating line 120, compare with sealing to holistic power connector, be favorable to the heat to distribute, avoid power connector high temperature and inefficacy.

Fig. 3 is a schematic structural diagram of another power connector provided in an embodiment of the present invention, and alternatively, referring to fig. 3, the sealing structure 140 includes a sealing cover 141 and a sealing glue 142; the sealing cover 141 covers the second bus section 1202 of the bus 120, and the sealing cover 141 is connected with the main circuit bracket 130 through glue; the sealant 142 is disposed within the sealing cap 141, and the sealant 142 encapsulates the second bus-section 1202.

Specifically, the sealing cover 141 covers the second bus bar 1202, the gap between the sealing cover 141 and the main circuit bracket 130 is filled with the sealant 142, and the sealant 142 is disposed inside the sealing cover 141, so that the sealant 142 covers the second bus bar 1202; the sealing cover 141 can effectively prevent salt mist from contacting the bus 120, the sealant 142 can protect insulation of a welding part of the second bus section 1202, and a plating layer cannot be corroded by the salt mist even if the plating layer is damaged after welding, so that the bus 120 is protected. The sealant 142 may be, for example, a potting sealant, a foam sealant, or other colloids, which is not limited in this embodiment.

Optionally, the sealing structure 140 comprises an insulating layer; an insulating layer is deposited on the surface of the second bus-section 1202.

Specifically, the plasma film is deposited on the surface of the second bus-bar 1202 to form an insulating layer, which can protect the insulation of the welding portion of the second bus-bar 1202, and the plating layer is not corroded by the salt spray even if damaged after welding, thereby achieving the effect of protecting the bus-bar 120.

Fig. 4 is a schematic structural diagram of another power connector provided in an embodiment of the present invention, and optionally, referring to fig. 4, a sealing structure 140 includes a sealant 142; the main circuit bracket 130 is provided with a wall structure 131, and the wall structure 131 surrounds the second bus section 1202; the sealant 142 is disposed in the wall structure 131, and the sealant 142 covers the second bus-section 1202.

Specifically, the main circuit bracket 130 is provided with the wall structure 131, the wall structure 131 surrounds the second bus section 1202, and then the sealant 142 is disposed in the wall structure 131, where the sealant 142 is, for example, a potting sealant, so that the sealant 142 covers the second bus section 1202; the sealant 142 can protect the insulation of the welded portion of the second bus-section 1202, and the plating layer will not be corroded by the salt spray even if damaged after welding, thereby achieving the effect of protecting the bus 120.

Fig. 5 is a schematic structural diagram of another power connector provided by an embodiment of the present invention, and optionally, referring to fig. 5, the sealing structure 140 includes a sealant 142, the sealant 142 is, for example, a foam sealant, and the sealant 142 completely covers the second bus-section 1202 to seal the second bus-section 1202.

Fig. 6 is a schematic structural diagram of another power connector provided in an embodiment of the present invention, and optionally, referring to fig. 6, the bus bar 120 includes a positive bus bar 121 and a negative bus bar 122; the bus bar terminal 110 includes a positive bus bar terminal 111 and a negative bus bar terminal 112; a first positive bus section 1211 of the positive bus 121 is connected with the second end of the positive bus terminal 111, and a second positive bus section 1212 of the positive bus 121 is connected with the main circuit bracket 130; the first negative bus-bar section 1221 of the negative bus-bar 122 is connected to the second end of the negative bus-bar terminal 112, and the second negative bus-bar section 1222 of the negative bus-bar 122 is connected to the main circuit bracket 130; the first positive bus-section 1211 is perpendicular to the second positive bus-section 1212 and the first negative bus-section 1221 is perpendicular to the second negative bus-section 1222.

Specifically, a first end of the positive bus terminal 111 is connected to a positive power line, so that the positive bus 121 is connected to the positive power line through the positive bus terminal 111, and the positive power line provides a positive power voltage; a first end of the negative bus terminal 112 is connected to a negative power line such that the negative bus 122 is connected to the negative power line through the negative bus terminal 112, the negative power line providing a negative power voltage. The inverter main circuit on the main circuit bracket 130 can output an alternating voltage according to the positive power supply voltage and the negative power supply voltage to supply power to the equipment to be powered.

Moreover, the first positive bus-section 1211 is perpendicular to the second positive bus-section 1212, and the first negative bus-section 1221 is perpendicular to the second negative bus-section 1222, so that the first positive bus-section 1211 and the first negative bus-section 1222 are aligned, and a space is left for the first positive bus-section 1211 and the first negative bus-section 1221, so that the first positive bus-section 1211 is connected to the positive bus-terminal 111, and the first negative bus-section 1221 is connected to the negative bus-terminal 112; and the second positive bus-section 1212 and the second negative bus-section 1222 may be made parallel, and the spacing between the second positive bus-section 1212 and the second negative bus-section 1222 may be set small, so as to facilitate the common mode coil to be disposed outside the second positive bus-section 1212 and the second negative bus-section 1222 for filtering.

Optionally, referring to fig. 6, the power connector further comprises a bus capacitor 150; a first end of the bus capacitor 150 is electrically connected to the third positive bus-section 1213 of the positive bus 121 and a second end of the bus capacitor 150 is electrically connected to the third negative bus-section 1223 of the negative bus 122; the first positive bus-section 1211 is perpendicular to the third positive bus-section 1213 and the first negative bus-section 1221 is perpendicular to the third negative bus-section 1223; the distance between the third positive bus-section 1213 and the third negative bus-section 1223 is larger than the distance between the second positive bus-section 1212 and the second negative bus-section 1222; fig. 7 is a schematic structural diagram of another power connector provided in an embodiment of the present invention, and optionally, referring to fig. 7, a sealant 151 is disposed outside the bus capacitor 150.

Specifically, the bus capacitor 150 has a filtering effect, and is greater than the distance between the second positive electrode bus segment 1212 and the second negative electrode bus segment 1222 by setting the distance between the third positive electrode bus segment 1213 and the third negative electrode bus segment 1223, so that the distance between the third positive electrode bus segment 1213 and the third negative electrode bus segment 1223 is relatively large, the sealant 151 can be conveniently arranged outside the bus capacitor 150, and the sealant 151 can be foam adhesive, or can be potting adhesive. And, the distance between the second positive bus-section 1212 and the second negative bus-section 1222 is small, which facilitates disposing a common mode coil outside the second positive bus-section 1212 and the second negative bus-section 1222 for filtering and suppressing common mode interference.

Optionally, referring to fig. 7, the power connector further comprises a common mode coil 160; the common mode coil 160 is sleeved on the positive bus bar 121 and the negative bus bar 122.

Specifically, the common mode coil 160 is, for example, sleeved outside the second positive bus-section 1212 and the second negative bus-section 1222, and the second positive bus-section 1212 and the second negative bus-section 1222 are partially exposed, facilitating connection of the second positive bus-section 1212 and the second negative bus-section 1222 with the main circuit bracket 130. The common mode coil 160 can perform filtering to suppress common mode interference, thereby further improving the stability of the power connector.

Alternatively, referring to fig. 7, the common mode coil 160 is fixed on the power connector by glue.

Specifically, the common mode coil 160 is fixed to the power connector, which can ensure the stability of the common mode coil 160. And when the sealing structure 140 includes the sealing cover 141, a portion of the sealing cover 141 adjacent to the common mode coil 160 may be filled with a sealing glue, such that the sealing cover 141 is fixed with the common mode coil 160 and may wrap the second bus-section 1202. When the sealing structure 140 includes the sealant 142 and the main circuit bracket 130 is provided with the wall structure 131, the sealant is filled in a portion of the wall structure 131 close to the common mode coil 160, so that the wall structure 131 and the common mode coil 160 are fixed and can cover the second bus section 1202, and the stability of the power connector can be further ensured.

Alternatively, the positive bus bar 121 and the negative bus bar 122 have the same length. By the design, the impedance of the positive bus 121 and the impedance of the negative bus 122 can be ensured to be consistent, so that common-mode interference is reduced, and the stability of the power connector is further improved.

On the basis of the above technical solution, optionally, with continuing reference to fig. 7, the power connector further includes a gasket insert 101, the bus bar 120 and the gasket insert 101 may be together encapsulated in the sealing layer 1101, and the gasket insert 101 has a supporting function, so as to facilitate the arrangement of the sealing layer 1101.

According to the technical scheme of the embodiment, a power supply device is further provided, and the power supply device comprises the power connector provided by any of the above embodiments, and further comprises an inverter main circuit; the inverter main circuit is arranged on a main circuit bracket of the power connector. The power supply device provided by this embodiment includes the power connector of any of the above embodiments, and the implementation principle and technical effect of the power supply device provided by this embodiment are similar to those of the above embodiments, and are not described again here.

The above detailed description does not limit the scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A power connector, comprising: the bus bar connector comprises a bus bar binding post, a bus bar, a main circuit bracket and a sealing structure;

the first end of the bus binding post is connected with a power line, the second end of the bus binding post is connected with the first bus section of the bus, and the second bus section of the bus is connected with the main circuit bracket;

the sealing structure covers the second bus section of the bus; the sealing structure comprises at least one of a sealing cover, a sealant and an insulating layer;

and sealing layers are arranged on the surfaces of the first bus section of the bus and the second end of the bus binding post.

2. The electrical power connector as recited in claim 1, wherein the seal structure comprises the sealing cover and the sealing gel;

the sealing cover covers the second bus section of the bus, and the sealing cover is connected with the main circuit bracket through a colloid;

the sealant is arranged in the sealing cover and covers the second bus section.

3. The electrical power connector as recited in claim 1, wherein the sealing structure comprises the insulating layer;

the insulating layer is deposited on a surface of the second bus-section.

4. The electrical power connector as recited in claim 1, wherein the sealing structure comprises the sealing gel; a wall structure is arranged on the main circuit bracket and surrounds the second bus section;

the sealant is arranged in the wall structure and covers the second bus section.

5. The power connector of claim 1, wherein the bus bar comprises a positive bus bar and a negative bus bar; the bus terminal comprises a positive bus terminal and a negative bus terminal;

the first positive bus section of the positive bus is connected with the second end of the positive bus binding post, and the second positive bus section of the positive bus is connected with the main circuit bracket;

the first negative bus section of the negative bus is connected with the second end of the negative bus binding post, and the second negative bus section of the negative bus is connected with the main circuit bracket;

the first positive bus-section is perpendicular to the second positive bus-section and the first negative bus-section is perpendicular to the second negative bus-section.

6. The power connector of claim 5, further comprising a bus capacitor;

the first end of the bus capacitor is electrically connected with the third positive bus section of the positive bus, and the second end of the bus capacitor is electrically connected with the third negative bus section of the negative bus;

the first positive bus-section is perpendicular to the third positive bus-section and the first negative bus-section is perpendicular to the third negative bus-section;

the distance between the third positive bus-section and the third negative bus-section is greater than the distance between the second positive bus-section and the second negative bus-section; and sealant is arranged outside the bus capacitor.

7. The power connector of claim 5, further comprising a common mode coil;

the common mode coil is sleeved on the positive bus and the negative bus.

8. The power connector of claim 7, wherein the common mode coil is secured to the power connector by glue.

9. The power connector of claim 5, wherein the positive bus bar and the negative bus bar are the same length.

10. A power supply device, comprising the power connector of any one of claims 1-9, and further comprising an inverter main circuit;

the inverter main circuit is arranged on a main circuit bracket of the power connector.

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