JP2022181187A - charging socket - Google Patents

Abstract

To provide a charging socket in which the use of a wire for welding both connection end parts of a resistance to each of a detection terminal and a ground terminal is not required, a manufacturing of the charging socket is simplified, and stability and reliability of a quality of a product can be improved.SOLUTION: The present invention discloses a charging socket comprising: a housing having a separation wall into an inner part; a ground terminal and a detection terminal, installed to the housing; a first connection member and a second connection member, attached to the separation wall; and a resistance attached to the separation wall. Two connection ends of the resistance are electrically connected to each of the first connection member and the second connection member. The first connection member and the second connection member are electrically contacted to each of the ground terminal and the detection terminal, and electrically connect the resistance between the ground terminal and the detection terminal.SELECTED DRAWING: Figure 1

Description

(Related application cross-reference)
RELATED APPLICATION CROSS REFERENCE This application is based on Chinese Patent Application No. 202121127152.0 filed on May 25, 2021 with the State Intellectual Property Office of China. The benefit of No. X is claimed, the entire disclosure of which is incorporated herein by reference.

The present invention relates to charging sockets, and more particularly to charging sockets used in electric vehicles.

In the prior art, in order to detect the electrical connection state between the charging gun and the charging socket, it is necessary to provide the charging socket of the electric vehicle with a detection terminal (commonly known as a CC signal terminal) and a resistor. Generally, the resistor is electrically connected between the detection terminal and the ground terminal (commonly called the PE terminal) of the charging socket. When the charging gun is electrically connected with the charging socket, the detection terminal and the ground terminal of the charging socket are in electrical contact with the corresponding terminals of the charging gun, so that the resistance detection circuit is connected, and the resistance value of the resistor is can be detected. That is, when the resistance detection circuit detects the resistance value of the resistor, it indicates that the charging gun is electrically connected with the charging socket, otherwise it indicates that the charging gun is not electrically connected with the charging socket. show.

In the prior art, both ends of the resistor are usually welded by wires to the sense and ground terminals of the charging socket. The existing wire welding method has drawbacks that the process is complicated and the quality is unstable.

SUMMARY OF THE INVENTION The present invention has been made to overcome or alleviate at least one of the disadvantages set forth above.

According to one aspect of the present invention, a housing having a partition inside (or inside), a ground terminal and a detection terminal installed in the housing, and a first terminal attached (or provided) to the partition A charging socket is provided comprising a connecting member and a second connecting member and a resistor attached (or provided) to the partition wall. The two connecting ends of the resistor are electrically connected to the first connecting member and the second connecting member respectively; the first connecting member and the second connecting member are electrically connected to the ground terminal and the detection terminal respectively. to electrically connect the resistor between the ground terminal and the sensing terminal.

According to an exemplary embodiment of the invention, the first connecting member includes a first fixing part, the partition wall is formed with a first slot, and the first fixing part is inserted into the first slot. to secure the first connecting member to the partition wall, the second connecting member including a second securing portion, the partition wall having a second slot formed therein, the second securing portion being connected to the second slot; to secure the second connecting member to the partition wall.

According to another exemplary embodiment of the present invention, the first connecting member includes a plurality of first fixing portions separated from each other, and a plurality of first fixing portions corresponding to the plurality of first fixing portions. A slot is formed in the partition wall and/or the second connecting member includes a plurality of second fixing portions separated from each other, and the plurality of second slots corresponding to the plurality of second fixing portions are Formed in the partition wall.

According to another exemplary embodiment of the invention, the resistor is a pin-type resistor having a first pin and a second pin, the first pin and the second pin respectively is electrically connected to the fixed portion of and the second fixed portion.

According to another exemplary embodiment of the present invention, the first fixing portion is formed with a first notch portion, the partition wall is formed with a first groove, and the resistor is formed with a first groove. A pin is received in the first groove and clamped in the first notch portion, a second notch portion is formed in the second fixing portion, a second groove is formed in the partition wall, and a second groove is formed in the resistor. is received in the second groove and clamped in the second notch.

According to another exemplary embodiment of the present invention, at least one of the first connecting member and the second connecting member includes a securing portion, a slot is formed in the partition wall, and the securing portion is inserted into the slot. At least one of the first connecting member and the second connecting member is fixed to the partition wall.

According to another exemplary embodiment of the invention, the fixing part is formed with a notch, the partition wall is formed with a groove, and the pin of the resistor is received in the groove and clamped in the notch.

According to another exemplary embodiment of the invention, at least one of the first connecting member and the second connecting member is welded to the resistor.

According to another exemplary embodiment of the invention, at least one of the first connecting member and the second connecting member is crimped onto the resistor.

According to another exemplary embodiment of the present invention, the first connection member comprises the first connection, the second connection member comprises the second connection; the resistor comprises the first connection and a patch resistor welded to the second connection.

According to another exemplary embodiment of the invention, the first connection is connected to the first fixed part and extends in a direction parallel to the surface of the partition wall, and the second connection comprises: It is connected to the second fixed part and extends in a direction parallel to the surface of the partition wall.

According to another exemplary embodiment of the present invention, the first connecting member comprises a first base connected with the first fixing part, and for clamping the ground terminal, A pair of first resilient arms respectively connected to opposite sides of the first base. The second connecting member comprises a second base connected with the second fixing part and a pair of second elastic arms respectively connected to opposite sides of the second base for clamping the detection terminals. Prepare more.

According to another exemplary embodiment of the present invention, the first elastic arm comprises a first connecting arm portion, one end of which is connected with one side (or side) of the first base; a first bent arm connected to the other end of the connecting arm of the first connecting arm and bent at a predetermined angle with respect to the first connecting arm to electrically contact the ground terminal. The second elastic arm has a second connection arm portion, one end of which is connected to one side surface (or side portion) of the second base portion, and the other end of the second connection arm portion, and a second A second bending arm portion is provided which is bent at a predetermined angle with respect to the connecting arm portion and is in electrical contact with the sensing terminal.

According to another exemplary embodiment of the present invention, at least one of the first connecting member and the second connecting member for clamping the base connected with the fixed part and the ground terminal or the detection terminal, and a pair of elastic arm portions respectively connected to opposite sides of the base.

According to another exemplary embodiment of the present invention, the resilient arm comprises a connecting arm portion, one end of which is connected to one side of the base, and the other end of the connecting arm portion, which is connected to the connecting arm portion. It is composed of a bent arm portion that is bent at a predetermined angle and electrically contacts a ground terminal or a detection terminal.

In the above exemplary embodiments according to the present invention, the two connection ends of the resistor are electrically connected to the detection terminal and the ground terminal through two connection members installed on the partition wall of the housing, respectively. Therefore, there is no need to weld the two connection ends of the resistor to the detection terminal and the ground terminal with wires respectively, which simplifies the production of the charging socket, saves costs, and improves the stability and reliability of product quality. be able to.

These and other features of the present invention will become more apparent from the detailed description of exemplary embodiments thereof with reference to the accompanying drawings.
1 shows a three-dimensional schematic diagram of a charging socket according to an exemplary embodiment of the invention; FIG. Fig. 3 shows a three-dimensional schematic view of a charging socket according to an exemplary embodiment of the invention, with the resistor and the first and second connection members electrically connected to the resistor removed; 3 shows a three-dimensional schematic diagram of a detection terminal, a ground terminal, a resistor, a first connection member and a second connection member in the charging socket shown in FIG. 1; FIG. Fig. 4 shows a three-dimensional schematic view of a resistor, a first connecting member and a second connecting member in the charging socket shown in Fig. 3; FIG. 4 shows a three-dimensional schematic view of the resistor, first connection member and second connection member in the charging socket shown in FIG. 3 as viewed from below; Fig. 3 shows a three-dimensional schematic view of a charging socket according to another exemplary embodiment of the invention; Fig. 7 shows a three-dimensional schematic diagram of a resistor, a first connection member and a second connection member in the charging socket shown in Fig. 6;

Exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements. This disclosure may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, rather, these embodiments provide an adequate and It is provided so as to be complete and fully convey the concepts of the disclosure to those skilled in the art.

In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, it may be evident that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are schematically shown to simplify the drawings.

According to the general concept of the present invention, a housing having a partition wall inside, a ground terminal and a detection terminal installed in the housing, and a first connection member and a second connection member attached to the partition wall. , a resistor mounted in the partition wall. Two connecting ends of the resistor are electrically connected to the first connecting member and the second connecting member respectively, and the first connecting member and the second connecting member are electrically connected to the ground terminal and the detection terminal respectively. to electrically connect the resistor between the ground terminal and the sensing terminal.

1 is a three-dimensional schematic diagram of a charging socket according to an exemplary embodiment of the invention; FIG.

As shown in FIG. 1, the charging socket comprises a housing 100, a ground terminal 11, a sensing terminal 12, a first connecting member 210, a second connecting member 220 and a resistor 200 in the illustrated embodiment.

As shown in FIG. 1, in the illustrated embodiment, housing 100 has a peripheral wall and partition wall 110 . The partition wall 110 divides the internal space surrounded by the peripheral wall into a front cavity and a rear cavity. In the illustrated embodiment, first connecting member 210 , second connecting member 220 and resistor 200 are housed in a rear cavity of housing 100 and attached to partition wall 110 .

As shown in FIG. 1 , in the illustrated embodiment, ground terminal 11 and detection terminal 12 are mounted on housing 100 . Two connection ends of the resistor 200 are electrically connected to the first connection member 210 and the second connection member 220, respectively. First connection member 210 and second connection member 220 are in electrical contact with ground terminal 11 and detection terminal 12 respectively, thereby electrically connecting resistor 200 between ground terminal 11 and detection terminal 12 . connected to each other.

FIG. 2 illustrates the tertiary charge socket of a charging socket according to an exemplary embodiment of the invention, with the resistor 200 and the first and second connecting members 210 and 220 electrically connecting the resistor 200 removed. FIG. 3 shows a three-dimensional schematic diagram of the detection terminal 12, the ground terminal 11, the resistor 200, the first connection member 210 and the second connection member 220 in the charging socket shown in FIG. .

As shown in FIGS. 1-3, in the illustrated embodiment, the first connecting member 210 includes a first fixed portion 213 perpendicular to the surface of the partition wall 110 . The partition wall 110 is formed with a first slot 111b. The first fixing part 213 is inserted into the first slot 111 b to fix the first connecting member 210 to the partition wall 110 .

Similarly, as shown in FIGS. 1-3, in the illustrated embodiment, the second connecting member 220 includes a second fixed portion 223 perpendicular to the surface of the partition wall 110 . A second slot 112b is formed in the partition wall 110 . The second fixing part 223 is inserted into the second slot 112 b to fix the second connecting member 220 to the partition wall 110 .

4 shows a three-dimensional schematic diagram of the resistor 200, the first connecting member 210 and the second connecting member 220 of the charging socket shown in FIG. 3, and FIG. 5 shows the resistance of the charging socket shown in FIG. Fig. 3 shows a three-dimensional schematic view of the vessel 200, the first connecting member 210 and the second connecting member 220 when viewed from the bottom;

As shown in FIGS. 1-5, in an exemplary embodiment of the invention, the first connecting member 210 may include a plurality of first fixing portions 213 separated from each other, and a plurality of first fixing portions 213 may be separated from each other. A plurality of first slots 111 b corresponding to the fixing parts 213 are formed in the partition wall 110 . In the illustrated embodiment, the first connecting member 210 includes two parallel first fixing portions 213 facing each other. In addition, in the present invention, the size and shape of the plurality of first fixing portions 213 may be the same or different.

Similarly, as shown in FIGS. 1-5, in an exemplary embodiment of the invention, the second connecting member 220 may include a plurality of second fixing portions 223 separated from each other, and a plurality of A plurality of second slots 111 b corresponding to the second fixing parts 223 are formed in the partition wall 110 . In the illustrated embodiment, the second connecting member 220 includes two second fixing portions 223 facing each other and arranged in parallel. In addition, in the present invention, the size and shape of the plurality of second fixing portions 223 may be the same or different.

As shown in FIGS. 1 to 5, in the illustrated embodiment, the partition wall 110 is formed with a receiving groove 113 and the resistor 200 is installed in the receiving groove 113 .

As shown in FIGS. 1-5, in the illustrated embodiment, resistor 200 is a pin resistor. Resistor 200 has a first pin 201 and a second pin 202, which are electrically connected to first fixing portion 213 and second fixing portion 223, respectively.

As shown in FIGS. 1 to 5, in the illustrated embodiment, a first notch portion 213a is formed in the first fixing portion 213, and a first groove 111a vertically crossing the first slot 111b is a partition. Formed on the wall 110, the first pin 201 of the resistor 200 is placed in the first groove 111a and clamped to the fixing portion 213a. By doing so, the first pin 201 of the resistor 200 can be electrically connected to the first fixing portion 213 .

Similarly, as shown in FIGS. 1-5, in the illustrated embodiment, the second fixing portion 223 is formed with a second notch portion 223a that vertically intersects the second slot 112b in the partition wall 110. A second groove 112a is formed, and the second pin 202 of the resistor 200 is placed in the second groove 112a and clamped in the second notch 223a. By doing so, the second pin 202 of the resistor 200 can be electrically connected to the second fixing portion 223 .

As shown in FIGS. 1-5, in the illustrated embodiment, the first connecting member 210 also includes a first base 211 and a pair of first resilient arms 212 . The first base 211 is vertically connected to the first fixed part 213 . A pair of first elastic arm portions 212 are respectively connected to both sides of the first base portion 211 for clamping the ground terminal 11 .

Similarly, as shown in FIGS. 1-5, the second connecting member 220 also includes a second base portion 221 and a pair of second resilient arm portions 222 in the illustrated embodiment. The second base 221 is vertically connected to the second fixed part 223 . A pair of second elastic arms 222 are respectively connected to both sides of the second base 221 for clamping the detection terminal 12 .

As shown in FIGS. 1-5, in the illustrated embodiment, a boss 101 is formed in the partition wall 110 . The boss 101 of the partition wall 110 is formed with a first slot 111b, a second slot 112b, a first groove 111a, a second groove 112a, and an accommodation groove 113. As shown in FIG. By doing so, the strength of the partition wall 110 can be guaranteed. A first base portion 211 of the first connecting member 210 and a second base portion 221 of the second connecting member 220 are attached to and supported by the upper surface of the boss 101 .

As shown in FIGS. 1-5, in the illustrated embodiment, the first resilient arm 212 includes a first connecting arm portion 212a and a first bending arm portion 212b. One end of the first connecting arm portion 212 a is connected to one side surface of the first base portion 211 . The first bending arm portion 212b is connected to the other end of the first connecting arm portion 212a and is bent at a predetermined angle with respect to the first connecting arm portion 212a. The first bending arm portion 212 b is used to make elastic electrical contact with the ground terminal 11 .

Similarly, as shown in FIGS. 1-5, in the illustrated embodiment, the second resilient arm 222 includes a second connecting arm portion 222a and a second bending arm portion 222b. One end of the second connecting arm portion 222 a is connected to one side surface of the second base portion 221 . The second bending arm portion 222b is connected to the other end of the second connecting arm portion 222a and bent at a predetermined angle with respect to the second connecting arm portion 222a. The second bending arm portion 222b is used to make elastic electrical contact with the sensing terminal 12 .

It should be noted that the structure of the first elastic arm 212 and the second elastic arm 222 of the present invention is not limited to the illustrated embodiment, and any suitable structure can be adopted.

FIG. 6 shows a three-dimensional schematic diagram of a charging socket according to another exemplary embodiment of the invention, and FIG. 7 shows resistor 200, first connecting member 210 and second connecting member 210 in the charging socket shown in FIG. shows a three-dimensional schematic view of the connecting member 220 of FIG.

The main difference between the charging sockets shown in FIGS. 6 and 7 and the charging sockets shown in FIGS. 1 to 5 is that the structures of resistor 200, first connection member 210 and second connection member 220 are different. be.

As shown in FIGS. 6 and 7, in the illustrated embodiment, resistor 200 is a patch resistor. The first connecting member 210 also includes a first connecting portion 214 that extends into the receiving slot 113 . Second connecting member 220 also includes a second connecting portion 224 that extends into receiving slot 113 . The bottom surface of resistor 200 is welded to first connection 214 and second connection 224 .

As shown in FIGS. 6 and 7 , in the illustrated embodiment, the first connecting portion 214 is connected to the first fixed portion 213 and extends in a direction parallel to the surface of the partition wall 110 . Also, the second connecting portion 224 is connected to the second fixing portion 223 and extends in a direction parallel to the surface of the partition wall 110 .

In addition to the above differences, other features of the charging sockets shown in FIGS. 6 and 7 are basically the same as those shown in FIGS. 1-5, referring to the embodiments shown in FIGS. 1-5. be able to.

Those skilled in the art should understand that the above-described embodiments are intended to be illustrative and not restrictive. For example, those skilled in the art can make many modifications to the above embodiments, and may freely combine various features described in different embodiments without contradiction in construction or principle.

While several exemplary embodiments have been shown and described, it will be appreciated by those skilled in the art that various changes or modifications can be made therein without departing from the principles and spirit of the disclosure. and the scope is defined in the claims and their equivalents.

As used herein, elements recited in the singular and addressed with the term “a” or “an” exclude plural forms of such elements or steps unless such exclusion is expressly indicated. should be understood as not Furthermore, references to "one embodiment" of the present invention are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. Further, unless expressly stated to the contrary, an embodiment "comprising" or "having" an element or elements having a particular property may refer to another that does not have that property. It can contain elements such as

DESCRIPTION OF SYMBOLS 11... Ground terminal 12... Detection terminal 100... Housing 101... Boss 110... Partition wall 111a... First groove 111b... First slot 112a... Second groove 112b... Second slot 113... Accommodating groove 200... Resistor 201 ... first pin 202 ... second pin 210 ... first connection member 211 ... first base 212 ... first elastic arm portion 212a ... first connection arm portion 212b ... first bending arm portion 213 ... first fixing portion 213a ... first notch portion 214 ... first connection portion 220 ... second connection member 221 ... second base portion 222 ... second elastic arm portion 222a ... second connection arm portion 222b ... second bending arm portion 223 ... second fixing portion 223a ... second notch portion 224 ... second connecting portion

Claims (15)

a housing (100) having a partition wall (110) therein;
a ground terminal (11) and a detection terminal (12) installed in the housing (100);
a first connection member (210) and a second connection member (220) attached to said partition wall (110); and a resistor (200) attached to said partition wall (110).
with
two connection ends of the resistor (200) are electrically connected to the first connection member (210) and the second connection member (220), respectively;
The first connection member (210) and the second connection member (220) are in electrical contact with the ground terminal (11) and the detection terminal (12), respectively, so that the ground terminal (11) and A charging socket electrically connecting said resistor (200) between said sensing terminals (12). Said first connecting member (210) comprises a first fixing part (213), said partition wall (110) is formed with a first slot (111b), said first fixing part (213) comprises said inserted into a first slot (111b) to fix said first connecting member (210) to said partition wall (110);
Said second connecting member (220) comprises a second fixing part (223), said partition wall (110) is formed with a second slot (112b), said second fixing part (223) comprises said The charging socket according to claim 1, inserted into a second slot (112b) to secure said second connection member (220) to said partition wall (110). The first connecting member (210) comprises a plurality of first fixing parts (213) separated from each other, and a plurality of first slots ( 111b) is formed in the partition wall (110), and/or the second connecting member (220) comprises a plurality of second fixing portions (223) separated from each other, and the plurality of second 3. The charging socket according to claim 2, wherein a plurality of second slots (112b) are formed in said partition wall (110) corresponding to the fixing portions (223) of the. Said resistor (200) is a pin type resistor (200) having a first pin (201) and a second pin (202), said first pin (201) and said second pin ( 202) are electrically connected to said first fixing part (213) and said second fixing part (223), respectively. A first notch portion (213a) is formed in the first fixing portion (213), a first groove (111a) is formed in the partition wall (110), and the first groove (111a) of the resistor (200) is formed. The pin (201) is accommodated in the first groove (111a) and clamped to the first notch (213a),
A second notch portion (223a) is formed in the second fixing portion (223), a second groove (112a) is formed in the partition wall (110), and the second groove portion (223a) of the resistor (200) is formed. 5. The charging socket according to claim 4, wherein a pin (202) of is received in said second groove (112a) and clamped in said second notch portion (223a). At least one of said first connecting member (210) and said second connecting member (220) includes a fixing portion (213, 223) and a slot (111b, 112b) is formed in said partition wall (110). , the fixing parts (213, 223) are inserted into the slots (111b, 112b) so that at least one of the first connection member (210) and the second connection member (220) is connected to the partition wall (110). ). Notch portions (213a, 223a) are formed in the fixing portions (213, 223), grooves (111a, 112a) are formed in the partition wall (110), and the pins (201, 202) of the resistor (200) are formed. ) are accommodated in the grooves (111a, 112a) and clamped in the notches (213a, 223a). The charging socket of claim 1, wherein at least one of the first connection member (210) and the second connection member (220) is welded to the resistor (200). The charging socket of claim 1, wherein at least one of the first connection member (210) and the second connection member (220) is crimped onto the resistor (200). said first connecting member (210) comprises a first connecting portion (214) and said second connecting member (220) comprises a second connecting portion (224);
3. The charging socket of claim 2, wherein the resistor (200) is a patch resistor welded to the first connection (214) and the second connection (224). the first connecting portion (214) is connected to the first fixing portion (213) and extends in a direction parallel to the surface of the partition wall (110);
The charging socket according to claim 10, wherein said second connecting part (224) is connected to said second fixing part (223) and extends in a direction parallel to the surface of said partition wall (110). . The first connecting member (210) is
a first base (211) connected with said first fixing part (213); and a pair respectively connected to both sides of said first base (211) for clamping said ground terminal (11). the first elastic arm (212) of
further comprising
Said second connecting member (220) comprises:
a second base (221) connected with said second fixing part (223); and a pair respectively connected to both sides of said second base (221) for clamping said detection terminal (12). second elastic arm (222) of
The charging socket according to any one of claims 1 to 11, further comprising: Said first elastic arm (212) comprises:
A first connection arm (212a), one end of which is connected to one side surface of the first base (211), and the other end of the first connection arm (212a), A first bending arm portion (212b) bent at a predetermined angle with respect to the connecting arm portion (212a) and making electrical contact with the ground terminal (11).
with
Said second resilient arm (222) comprises:
A second connection arm (222a), one end of which is connected to one side surface of the second base (221), and the other end of the second connection arm (222a), A second bending arm portion (222b) bent at a predetermined angle with respect to the connecting arm portion (222a) and making electrical contact with the detection terminal (12).
13. The charging socket of claim 12, comprising: at least one of the first connecting member (210) and the second connecting member (220),
bases (211, 221) connected with said fixing parts (213, 223); A pair of connected resilient arms (212, 222)
The charging socket according to any one of claims 1 to 11, comprising a The resilient arms (212, 222) are:
Connection arm portions (212a, 222a), one end of which is connected to one side surface of the base (211, 221), and the other end of the connection arm portions (212a, 222a), 222a), bending arm portions (212b, 222b) that are bent at a predetermined angle and electrically contact the ground terminal (11) or the detection terminal (12)
15. The charging socket of claim 14, comprising:

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