CN217062681U - Battery box power conversion connector - Google Patents

Abstract

The utility model provides a battery box trades electric connector, it includes plug and socket, be provided with on the socket be used for with the contact pin subassembly contact complex jack subassembly of plug, the plug includes the shell, contact pin subassembly and guide post, the contact pin subassembly sets up in the shell, the guide post is located the both sides of contact pin subassembly, the socket includes the pedestal, the uide pin, the jack subassembly, the guiding hole, unsteady subassembly and vertical spring, the uide pin sets up the four corners at the pedestal, the jack subassembly sets up in the pedestal, the jack subassembly is connected with the pedestal through unsteady subassembly, vertical spring suit is on the uide pin, and set up between unsteady board and uide pin. The utility model discloses a setting of subassembly that floats for when plug and socket are to inserting, the socket has the position of three-dimensional unsteady displacement adaptation plug, and the smooth butt joint when guaranteeing to trade the electricity ensures to trade the connection reliability and the life of electric connector, has advantages such as simple structure, simple operation, maintenance convenience.

Description

Battery box power conversion connector

Technical Field

The utility model belongs to the technical field of electric automobile fills and trades the electricity, concretely relates to battery box trades electric connector.

Background

In recent years, as international energy supply becomes more and more intense, the price of crude oil continues to rise, and new energy automobiles become hot spots for research and development in various countries. Particularly, research and development of key technologies of new energy automobile power systems such as batteries and the like are mainly supported by national strategic levels of governments of various countries. The new energy automobile industry is determined as one of the major development directions of the emerging industry, and with the gradual maturity of new energy automobile technology, a core technology patent plays a vital role in the global competition situation.

The current electric automobile charging and discharging difficulty is one of main bottlenecks of new energy automobile development, and the battery box trades the electric connector and connects important pivot as the energy that trades between electric battery box and the vehicle, trades the electric connector now and trades power station charging and electric motor car discharge and all adopt same passageway, adopts a plurality of connectors when needing high-power charge-discharge, trades the easy corrosion damage of electric connector plug, is difficult to guarantee to trade the electrical safety of electric battery box.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a battery box trades electric connector has satisfied the high-power demand of charging of battery, and charge-discharge interface autonomous operation and connector utmost point post temperature sampling's when having solved low power output problem through the setting of subassembly that floats, makes the socket have the position of three-dimensional unsteady displacement adaptation plug, and the smooth butt joint when guaranteeing to trade the electricity ensures to trade electric connector's connection reliability and life.

The utility model provides a battery box trades electric connector, it includes plug and socket, be provided with on the socket be used for with the contact pin subassembly contact complex jack subassembly of plug, the plug, it includes shell, contact pin subassembly and guide post, the contact pin subassembly sets up in the shell, the guide post symmetry sets up the both sides of contact pin subassembly, the contact pin subassembly includes power contact pin, communication contact pin, control contact pin and power contact pin, the power contact pin is located the bottom of contact pin subassembly, communication contact pin and control contact pin are located the both sides of power contact pin respectively, the power contact pin is located the top of power contact pin, pass through the circuit connection on the circuit board between power contact pin, communication contact pin, control contact pin and the power contact pin; the socket comprises a base body, guide pins, a jack assembly, guide holes, a floating assembly and vertical springs, wherein the four guide pins are arranged at four corners of the base body, and the jack assembly is arranged in the base body; the jack subassembly includes jack, communication jack, control jack and power jack, jack is located jack subassembly's top, communication jack and control jack are located jack's both sides, power jack is located jack's below, the guiding hole symmetry sets up jack subassembly's both sides, the pedestal inner wall with form the unsteady surplus space between jack subassembly's the outer wall, the subassembly that floats sets up in the unsteady surplus space, the subassembly that floats includes floating plate and transverse spring, floating plate sets up the both sides of pedestal, and with jack subassembly links firmly, transverse spring's first end with the pedestal is connected, transverse spring's second end with floating plate connects.

Furthermore, the plug is connected with a quick-change battery box, and the socket is connected with a charging rack of an electric automobile or a battery replacement station.

Furthermore, the edge of the outer ring of the plug and the socket is annularly provided with a special-shaped sealing ring.

Furthermore, a guide part for guiding the guide post to be inserted into the guide hole is formed at the tail end of the guide post, and the guide part is of an inverted cone-shaped structure.

Further, the diameter of the guide hole is larger than that of the guide post, and the socket is in butt joint with the guide post of the plug through the guide hole.

Preferably, the guide pin is sleeved with a vertical spring, and the vertical spring is arranged between the floating plate and the guide pin.

Preferably, a temperature sampling resistor is arranged in the power jack, and the sampling resistor is a PTC thermistor.

Preferably, the number of the transverse springs is four, the transverse springs are evenly arranged at four corners of the socket assembly, and the socket assembly can conform to the position of the pin insertion assembly to realize floating displacement in a floating surplus space.

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses battery box trades electric connector through the setting of subassembly that floats for when plug and socket are to inserting, the socket has the position of three-dimensional unsteady displacement adaptation plug, and the smooth butt joint when guaranteeing to trade the electricity ensures to trade electric connector's connection reliability and life, has advantages such as simple structure, simple operation, maintenance convenience.

2. The utility model discloses battery box trades electric connector all encircles in the edge of plug housing and socket pedestal and is equipped with special-shaped sealing washer for clearance between seal housing and pedestal prevents that this clearance department from piling ponding, freezing debris etc. from preventing that the kneck from wading and the corrosion damage appears, has solved the problem of current connector plug and socket grafting back waterproof gas tightness and antidetonation poor stability.

3. The utility model discloses battery box trades electric connector adopts 2 independent contact pins, jack subassemblies, when satisfying the high power output and the low power output that use simultaneously, charge-discharge independent operation; a temperature sampling resistor is arranged in the jack terminal, and the resistor samples a PTC thermistor with a positive temperature coefficient, so that the electric vehicle can monitor the temperature of the terminal post of the battery box connector in real time, and the safe and normal operation of the electric vehicle is ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the battery box battery replacement connector of the present invention;

fig. 2 is a schematic front view of the overall structure of the plug of the present invention;

fig. 3 is a schematic view of the overall structure of the plug of the present invention;

fig. 4 is a front view of the overall structure of the socket of the present invention;

fig. 5 is a schematic view of the overall structure of the middle socket of the present invention.

The main reference numbers:

plug 1, shell 11, contact pin assembly 12, power contact pin 121, communication contact pin 122, control contact pin 123, power contact pin 124, guide post 13, socket 2, seat body 21, guide pin 22, socket assembly 23, power jack 231, communication jack 232, control jack 233, power jack 234, guide hole 24, floating assembly 25, floating plate 251, transverse spring 252 and vertical spring 26.

Detailed Description

The technical contents, structural features, and achieved objects and effects of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a battery box trades electric connector, as shown in fig. 1 and fig. 2, it includes plug 1 and socket 2, be provided with on the socket 2 be used for with plug 1's contact pin subassembly 12 contact complex jack subassembly 23, plug 1 is connected with the quick change battery box, socket 2 perhaps trades the power station charging frame with electric automobile and is connected, plug 1, it includes shell 11, contact pin subassembly 12 and guide post 13, contact pin subassembly 12 sets up in shell 11, guide post 13 symmetry sets up the both sides at contact pin subassembly 12.

As shown in fig. 3, the pin assembly 12 includes a power pin 121, a communication pin 122, a control pin 123 and a power pin 124, the power pin 121 is located at the bottom of the pin assembly 1, the communication pin 122 and the control pin 123 are respectively located at two sides of the power pin 121, and the power pin 124 is located above the power pin 121. The end of the guide post 13 is formed with a guide part for guiding the guide post 13 to be inserted into the guide hole 24, and the guide part is in an inverted cone structure, so that the plug 1 is accurately connected with the socket 2, and the stable work of the battery replacement connector is ensured. The outer ring edge of the outer shell 11 of the plug 1 and the base body 21 of the socket 2 are annularly provided with special-shaped sealing rings, and the special-shaped sealing rings are used for sealing a gap between the outer shell 11 and the base body 21.

As shown in fig. 4, the socket 2 includes a base body 21, guide pins 22, a socket assembly 23, guide holes 24, a floating assembly 25 and vertical springs 26, the base body 21 is a rectangular structure, four guide pins 22 are all disposed at four corners of the base body 21, the socket assembly 23 is disposed in the base body 21, the guide holes 24 are symmetrically disposed at two sides of the socket assembly 23, a floating surplus space is formed between an inner wall of the base body 21 and an outer wall of the socket assembly 23, the floating assembly 25 is disposed in the floating surplus space, the floating assembly 25 includes a floating plate 251 and a transverse spring 252, the floating plate 251 is disposed at two sides of the base body and fixedly connected with the socket assembly 23, a first end of the transverse spring 252 is connected with the base body 21, a second end of the transverse spring 252 is connected with the floating plate 251, a diameter of the guide hole 24 on the floating plate 251 is slightly larger than a diameter of the guide post 13 on the plug 1, the socket 2 is butted with the guide post 13 of the plug 1 through the guide holes 24, the guide of inserting is realized, the damage to the inserting pin assembly 12 and the inserting hole assembly 23 is avoided, the guide pin 22 is sleeved with the vertical spring 26, and the vertical spring 26 is arranged between the floating plate 251 and the guide pin 22 and can provide elastic force vertical to the end face of the floating plate 251.

As shown in fig. 5, the jack assembly 23 includes a power jack 231, a communication jack 232, a control jack 233 and a power jack 234, the power jack 231 is located at the upper portion of the jack assembly 23, the communication jack 232 and the control jack 233 are respectively located at two sides of the power jack 231, the power jack 234 is located right below the power jack 231, a temperature sampling resistor is arranged in the power jack 234, and the sampling resistor is a PTC thermistor. The four transverse springs 252 are uniformly arranged at the four corners of the jack component 23, the jack component 23 is arranged in the middle of the base 21 without stress, when the plug 1 and the socket 2 are plugged, the jack component 23 follows the position of the pin component 12 to realize floating displacement to a certain extent in the floating surplus space, and after the plug 1 is separated from the plug, the jack component 23 automatically returns to the middle of the base 21, so that the reliability and the service life of the power conversion connector are ensured.

The following battery box trades electric connector and does the further description with the embodiment the utility model discloses a battery box:

the operation process of the embodiment is realized as follows:

use the utility model discloses battery box trades electric connector during operation, will guarantee that plug 1 and socket 2 insert to close intact, rationally distributed and smooth and easy operation.

The power pins 124 include two pairs of independent pins, and when the current of the power battery is not more than 250A, the independent charging pins and discharging pins are adopted, and when the current of the power battery is more than 250A and less than 500A, the two pairs of pins are simultaneously used as the charging or discharging pins.

The power jacks 234 include two pairs of independent charging and discharging jacks for power battery currents of no greater than 250A, and two pairs of jacks are used simultaneously as charging or discharging jacks for power battery currents of greater than 250A and less than 500A.

The jack assembly 23 is arranged in the middle of the base 21, when the plug 1 and the socket 2 are plugged, the jack assembly 23 follows the position of the pin assembly 12 to realize a certain floating displacement in the floating surplus space, and after the plug 1 is separated, the jack assembly 23 automatically returns to the middle of the base 21, so that the reliability and the service life of the power conversion connector are ensured.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims (8)

1. A battery box power-changing connector is characterized by comprising a plug and a socket, wherein the socket is provided with a jack component which is in contact fit with a pin component of the plug,

the plug comprises a shell, contact pin assemblies and guide posts, wherein the contact pin assemblies are arranged in the shell, the guide posts are symmetrically arranged on two sides of the contact pin assemblies, each contact pin assembly comprises a power contact pin, a communication contact pin, a control contact pin and a power contact pin, the power contact pins are located at the bottoms of the contact pin assemblies, the communication contact pins and the control contact pins are located on two sides of the power contact pins, the power contact pins are located right above the power contact pins, and the power contact pins, the communication contact pins, the control contact pins and the power contact pins are connected through circuits on a circuit board;

the socket comprises a base body, guide pins, jack assemblies, guide holes, floating assemblies and vertical springs, wherein the guide pins are arranged at four corners of the base body, the jack assemblies are arranged in the base body and comprise power jacks, communication jacks, control jacks and power jacks, the power jacks are arranged at the upper parts of the jack assemblies, the communication jacks and the control jacks are arranged at two sides of the power jacks, the power jacks are arranged under the power jacks, the guide holes are symmetrically arranged at two sides of the jack assemblies, floating surplus spaces are formed between the inner wall of the base body and the outer wall of the jack assemblies, the floating assemblies are arranged in the floating surplus spaces and comprise floating plates and transverse springs, the floating plates are arranged at two sides of the base body and fixedly connected with the jack assemblies, the first end of the transverse spring is connected with the base body, and the second end of the transverse spring is connected with the floating plate.

2. The battery box charging connector as claimed in claim 1, wherein the plug is connected to a quick-change battery box, and the socket is connected to a charging rack of an electric vehicle or a charging station.

3. The battery box swapping connector of claim 1, wherein a profiled sealing ring is provided around the outer ring edge of the plug and the socket.

4. The battery box replacing electric connector according to claim 1, wherein a guiding portion for guiding the guiding post to be inserted into the guiding hole is formed at a distal end of the guiding post, and the guiding portion has an inverted conical structure.

5. The battery box swapping connector of claim 1, wherein the diameter of the guiding hole is larger than the diameter of the guiding post, and the socket is butted with the guiding post of the plug through the guiding hole.

6. The battery box swapping connector of claim 1, wherein a vertical spring is sleeved on the guide pin and is arranged between the floating plate and the guide pin.

7. The battery box battery replacing connector according to claim 1, wherein a temperature sampling resistor is arranged in the power jack, and the sampling resistor is a PTC thermistor.

8. The battery box swapping connector of claim 1, wherein the number of the transverse springs is four, and the transverse springs are uniformly arranged at four corners of the socket assembly, and the socket assembly can be subjected to floating displacement in a floating surplus space in compliance with the position of the pin assembly.

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