DE102022112898A1 - charging socket - Google Patents

Abstract

The present invention discloses a charging socket. The charging socket comprises: a housing (100) with a partition wall (110) inside; a ground terminal (11) and a detection terminal (12) installed in the housing (100); a first connector (210) and a second connector (220) attached to the bulkhead (110); and a resistor (200) attached to the partition (110). Two connection ends of the resistor (200) are electrically connected to the first connection element (210) and the second connection element (220), respectively. The first connector (210) and the second connector (220) are in electrical contact with the ground terminal (11) and the detection terminal (12), respectively, to electrically connect the resistor (200) between the ground terminal (11) and the detection terminal (12). connect to. Therefore, the present invention does not need to use wires to weld the two connecting ends of the resistor to the detection terminal and the ground terminal, respectively, which simplifies the manufacture of the charging socket, saves costs, and improves product quality consistency and reliability.

Description

Cross reference to related applications

This application claims the benefit of Chinese Patent Application No. 202121127152.X filed on May 25, 2021 with the State Intellectual Property Office of China, the entire disclosure of which is incorporated herein by reference.

Background of the Invention

field of invention

The present invention relates to a charging socket, in particular a charging socket used for an electric vehicle.

Description of the prior art

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 a detection terminal (commonly referred to as a CC signal terminal) and a resistor at the charging socket of the electric vehicle. In general, the resistance between the detection terminal and a ground terminal (commonly referred to as the ground terminal) of the charging socket is electrically connected. When the charging gun has been electrically connected to the charging socket, the detection terminal and the grounding terminal on the charging socket are in electrical contact with the corresponding terminals on the charging gun, so that there is a resistance detection circuit and the resistance value of the resistor 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 to the charging socket, otherwise, it indicates that the charging gun is not electrically connected to the charging socket.

In the prior art, both ends of the resistor are usually welded with wires to the detection terminal and the ground terminal of the charging socket. The existing wire welding method has the shortcomings of complex process and unstable quality.

Summary of the Invention

The present invention was created to overcome or mitigate at least one aspect of the above disadvantages.

According to one aspect of the present invention, there is provided a charging socket, comprising: a housing having a partition wall inside; a ground terminal and a detection terminal installed in the housing; a first connector and a second connector attached to the bulkhead; and a resistor mounted on the partition. Two connection ends of the resistor are electrically connected to the first connection member and the second connection member, respectively; The first connector and the second connector are in electrical contact with the ground terminal and the detection terminal, respectively, to electrically connect the resistance between the ground terminal and the detection terminal.

According to an exemplary embodiment of the present invention, the first connector includes a first attachment part, a first slot is formed on the partition wall, and the first attachment part is inserted into the first slot to attach the first connector to the partition wall; the second connecting member has a second fastening part, a second slot is formed on the partition wall, and the second fastening part is inserted into the second slot to fasten 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 fastening parts separated from each other, and a plurality of first slits corresponding to the plurality of first fastening parts is formed on the partition wall; and/or the second connecting member comprises a plurality of second fastening parts separated from each other and a plurality of second slits corresponding to the plurality of second fastening parts formed on the partition wall.

According to another exemplary embodiment of the present invention, the resistor is a pin-type resistor having a first pin and a second pin, and the first pin and the second pin are electrically connected to the first fixing part and the second fixing part, respectively.

According to another exemplary embodiment of the present invention, a first notch is formed on the first fixing part, a first groove is formed on the partition wall, and the first pin of the resistor is received in the first groove and clamped in the first notch; a second notch is formed on the second attachment part, a second groove is formed on the partition wall, and the second pin of 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 connector and the second connector has an attachment part, a slit is formed on the partition wall, and the attachment part is inserted into the slit to fasten at least one of the first connector and the second connector Fasten the connecting element to the partition wall.

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

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

According to another exemplary embodiment of the present invention, at least one of the first connection element and the second connection element is crimped with the resistor.

According to another exemplary embodiment of the present invention, the first connecting member also has a first connecting part, and the second connecting member also has a second connecting part; the resistor is a patch resistor welded to the first connection part and the second connection part.

According to another exemplary embodiment of the present invention, the first connection part is connected to the first attachment part and extends in a direction parallel to the surface of the partition wall; the second connection part is connected to the second attachment 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 further includes: a first socket connected to the first fixing part; and a pair of first elastic arms respectively connected to both sides of the first base to clamp the ground terminal. The second connection member further includes: a second base connected to the second attachment part; and a pair of second elastic arms respectively connected to both sides of the second socket to clamp the detection terminal.

According to another exemplary embodiment of the present invention, the first elastic arm includes: a first link arm part having one end connected to a side of the first base; and a first bending arm part connected to the other end of the first connecting arm part and bent at a predetermined angle relative to the first connecting arm part to electrically contact the ground terminal. The second elastic arm includes: a second link arm part having one end connected to a side of the second base; and a second bending arm part connected to the other end of the second connecting arm part and bent at a predetermined angle relative to the second connecting arm part to electrically contact the detection terminal.

According to another exemplary embodiment of the present invention, at least one of the first connector and the second connector includes: a socket connected to the attachment part; and a pair of elastic arms each connected to both sides of the base to clamp the ground terminal or the detection terminal.

According to another exemplary embodiment of the present invention, the elastic arm includes: a link arm part having one end connected to a side of the base; and a bending arm part connected to the other end of the connecting arm part and bent at a predetermined angle relative to the connecting arm part to electrically contact the ground terminal or the detection terminal.

In the above exemplary embodiments according to the present invention, two connection ends of the resistor are electrically connected to the detection terminal and the ground terminal, respectively, through two connectors installed on the partition wall of the case. Therefore, it is not necessary to weld the two connection ends of the resistor with wires on the detection terminal and the ground terminal, respectively, and it simplifies the manufacture of the charging socket, saves costs, and improves the consistency and reliability of product quality.

character list

• ein dreidimensionales schematisches Diagramm einer Ladesteckdose gemäß einem Ausführungsbeispiel der vorliegenden Erfindung zeigt;
• ein dreidimensionales schematisches Diagramm einer Ladesteckdose gemäß einer beispielhaften Ausführungsform der vorliegenden Erfindung zeigt, bei der der Widerstand und die elektrisch mit dem Widerstand verbundenen ersten und zweiten Verbindungselemente entfernt wurden;
• ein dreidimensionales schematisches Diagramm des Erkennungsanschlusses, des Erdungsanschlusses, des Widerstands, des ersten Verbindungselements und des zweiten Verbindungselements in der in gezeigten Ladesteckdose zeigt;
• ein dreidimensionales schematisches Diagramm des Widerstands, des ersten Verbindungelements und des zweiten Verbindungselements in der in gezeigten Ladesteckdose zeigt;
• ein dreidimensionales schematisches Diagramm des Widerstands, des ersten Verbindungselements und des zweiten Verbindungselements in der in gezeigten Ladesteckdose in der Betrachtung von unten zeigt;
• ein dreidimensionales schematisches Diagramm einer Ladesteckdose gemäß einem weiteren Ausführungsbeispiel der vorliegenden Erfindung zeigt; und
• ein dreidimensionales schematisches Diagramm des Widerstands, des ersten Verbindungselements und des zweiten Verbindungselements in der in gezeigten Ladesteckdose zeigt.

The above and other features of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the accompanying drawings, in which:

• Figure 12 shows a three-dimensional schematic diagram of a charging socket according to an embodiment of the present invention;
• Figure 12 shows a three-dimensional schematic diagram of a charging socket in accordance with an exemplary embodiment of the present invention with the resistor and the first and second connectors electrically connected to the resistor removed;
• FIG. 12 is a three-dimensional schematic diagram of the detection terminal, the ground terminal, the resistor, the first connection element, and the second connection element in FIG charging socket shown;
• a three-dimensional schematic diagram of the resistor, the first connection element and the second connection element in FIG charging socket shown;
• a three-dimensional schematic diagram of the resistor, the first connection element and the second connection element in FIG shown charging socket viewed from below;
• Figure 12 shows a three-dimensional schematic diagram of a charging socket according to another embodiment of the present invention; and
• a three-dimensional schematic diagram of the resistor, the first connection element and the second connection element in FIG charging socket shown.

Detailed Description of Preferred Embodiments

Exemplary embodiments of the present disclosure are described in detail below with reference to the accompanying drawings, in which like reference numerals refer to like elements. The present disclosure, however, may be embodied in many different forms and should not be construed as limited to the embodiment set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art.

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

According to a general concept of the present invention, there is provided a charging socket comprising: a housing having a partition inside; a ground terminal and a detection terminal installed in the housing; a first connector and a second connector attached to the bulkhead; and a resistor attached to the partition wall. Two connection ends of the resistor are electrically connected to the first connector and the second connector, respectively; The first connector and the second connector are adapted to contact the ground terminal and the detection terminal, respectively, to electrically connect the resistance between the ground terminal and the detection terminal.

shows a three-dimensional schematic representation of a charging socket according to an exemplary embodiment of the present invention.

Like in the 1, the charging socket in the illustrated embodiment includes: a housing 100, a ground terminal 11, a detection terminal 12, a first connector 210, a second connector 220, and a resistor 200. FIG.

Like in the 1, the housing 100 has a peripheral wall and a partition wall 110 in the illustrated embodiment. The partition wall 110 divides the interior space surrounded by the peripheral wall into a front cavity and a rear cavity. In the illustrated embodiment, the first connector 210 , the second connector 220 , and the resistor 200 are housed in the rear cavity of the housing 100 and attached to the bulkhead 110 .

Like in the shown, in the illustrated embodiment, the ground terminal 11 and the detection terminal 12 are in FIG Enclosure 100 installed. Two connection ends of the resistor 200 are electrically connected to the first connector 210 and the second connector 220, respectively. The first connector 210 and the second connector 220 are in electrical contact with the ground terminal 11 and the detection terminal 12, respectively, thereby electrically connecting the resistor 200 between the ground terminal 11 and the detection terminal 12.

the 12 shows a three-dimensional schematic diagram of a charging socket according to an exemplary embodiment of the present invention, in which the resistor 200 and the first connection element 210 and the second connection element 220 electrically connecting the resistor 200 have been removed; the 12 shows a three-dimensional schematic diagram of the detection terminal 12, the ground terminal 11, the resistor 200, the first connection element 210 and the second connection element 220 in FIG charging socket shown.

As in the until As shown, the first connecting element 210 in the illustrated embodiment has a first fastening part 213 perpendicular to the surface of the partition wall 110 . A first slit 111b is formed on the partition wall 110. As shown in FIG. The first fixing part 213 is inserted into the first slot 111b to fix the first connecting member 210 to the partition wall 110 .

In a similar way as in the until As shown, the second connecting element 220 has a second fastening part 223 perpendicular to the surface of the partition wall 110 in the illustrated embodiment. A second slit 112b is formed on the partition wall 110. As shown in FIG. The second fixing part 223 is inserted into the second slit 112b to fix the second connecting member 220 to the partition wall 110 .

the FIG. 12 shows a three-dimensional schematic diagram of the resistor 200, the first connection element 210 and the second connection element 220 in FIG charging socket shown; the FIG. 12 shows a three-dimensional schematic diagram of the resistor 200, the first connection element 210 and the second connection element 220 in FIG shown charging socket in a view from below.

As in the until As shown, in an exemplary embodiment of the present invention, the first connecting member 210 may have a plurality of first fixing parts 213 separated from each other, and a plurality of first slits 111b corresponding to the plurality of first fixing parts 213 is formed on the partition wall 110 . In the illustrated embodiment, the first connecting element 210 has two first fastening parts 213 which face and are arranged parallel to one another. Note that in the present invention, the size and shape of the plurality of first attachment parts 213 may be the same or different.

In a similar way as in the until As shown, in an exemplary embodiment of the present invention, the second connecting member 220 may have a plurality of second fixing parts 223 separated from each other, and a plurality of second slits 111b corresponding to the plurality of second fixing parts 223 is formed on the partition wall 110 . In the illustrated embodiment, the second connecting element 220 has two second fastening parts 223 which face and are arranged parallel to one another. Note that in the present invention, the size and shape of the plurality of second attachment parts 223 may be the same or different.

As in the until 1, in the illustrated embodiment, an accommodation groove 113 is formed on the partition wall 110, and the resistor 200 is installed in the accommodation groove 113. As shown in FIG.

As in the until As shown, in the illustrated embodiment, resistor 200 is a pin resistor. The resistor 200 has a first pin 201 and a second pin 202 electrically connected to the first mounting portion 213 and the second mounting portion 223, respectively.

As in the until 1, in the illustrated embodiment, a first notch 213a is formed on the first fixing part 213, a first groove 111a vertically intersecting the first slit 111b is formed on the partition wall 110, and the first pin 201 of the resistor 200 is in the first Positioned in groove 111a and clamped in fastener 213a. In this way, the first pin 201 of the resistor 200 can be electrically connected to the first fixing part 213 .

In a similar way as in the until As shown, in the illustrated embodiment, a second notch 223a is formed on the second attachment part 223, a second groove 112a vertically intersecting the second slot 112b is formed on the partition wall 110, and the second pin 202 of the resistor 200 is positioned in the second groove 112a and clamped in the second notch 223a. In this way, the second pin 202 of the resistor 200 can be electrically connected to the second fixing part 223 .

As in the until As shown, the first connector 210 also includes a first base 211 and a pair of first resilient arms 212 in the illustrated embodiment.

The first base 211 is connected to the first attachment part 213 vertically. A pair of first elastic arms 212 are respectively connected to both sides of the first socket 211 for clamping the grounding terminal 11 .

In a similar way as in the until As shown, the second connector 220 also includes a second base 221 and a pair of second resilient arms 222 in the illustrated embodiment. The second base 221 is connected to the second attachment part 223 vertically. A pair of second elastic arms 222 are connected to both sides of the second socket 221 for clamping the detection terminal 12, respectively.

As in the until As shown, a protrusion 101 is formed on the partition wall 110 in the illustrated embodiment. The first slit 111b, the second slit 112b, the first groove 111a, the second groove 112a and the receiving groove 113 are formed on the projection 101 of the partition wall 110. As shown in FIG. In this way, the strength of the partition wall 110 can be guaranteed. The first base 211 of the first connector 210 and the second base 221 of the second connector 220 are attached and held on the upper surface of the projection 101 .

As in the until As shown, the first resilient arm 212 in the illustrated embodiment includes a first link arm portion 212a and a first flexure arm portion 212b. One end of the first connecting arm part 212a is connected to one side of the first base 211 . The first bending arm part 212b is connected to the other end of the first connecting arm part 212a and is bent at a predetermined angle relative to the first connecting arm part 212a. The first bending arm 212b is used for elastic electrical contact with the grounding terminal 11 .

In a similar way as in the until As shown, the second resilient arm 222 in the illustrated embodiment includes a second link arm portion 212a and a second flexure arm portion 212b. One end of the second connecting arm part 222a is connected to one side of the second base 221 . The second bending arm part 222b is connected to the other end of the second link arm part 222a and bent at a predetermined angle relative to the second link arm part 222a. The second flexure arm 222b is used for elastic electrical contact with the detection terminal 12 .

Note that the construction 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 construction can be adopted.

Fig. 12 shows a three-dimensional schematic diagram of a charging socket according to another embodiment of the present invention; 12 shows a three-dimensional schematic diagram of the resistor 200, the first connection element 210 and the second connection element 220 in FIG charging socket shown.

The main difference between the in and shown charging socket and in the until The charging socket shown is that the constructions of the resistor 200, the first connection element 210 and the second connection element 220 are different.

As in the and As shown, in the illustrated embodiment, resistor 200 is a patch resistor. The first connecting element 210 also has a first connecting part 214 which extends into the receiving slot 113 . The second connecting element 220 also has a second connecting part 224 which extends into the receiving slot 113 . The bottom surface of the resistor 200 is welded to the first connection part 214 and the second connection part 224 .

As in the and As shown, in the illustrated embodiment, the first connection part 214 is connected to the first attachment part 213 and extends in a direction parallel to the surface of the partition wall 110. The second connection part 224 is connected to the second attachment part 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 and shown charging socket basically the same as in the and shown, and can refer to the in the until refer to embodiments shown.

It should be understood by those skilled in the art that the above embodiments are intended to be illustrative and not limiting. For example, many modifications can be made to the above embodiments by those skilled in the art, and various features described in different embodiments can be freely combined with each other without conflicting in configuration or principle.

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

As used herein, an element referred to in the singular and preceded by the word "a" or "an" should be construed as not excluding plural elements or steps unless such exclusion is expressly made specified. 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. Furthermore, unless expressly stated otherwise, embodiments that “comprise” or “have” an element or plurality of elements having a particular property may contain additional such elements that do not have that property.

Claims (15)

Charging socket, characterized in that it comprises: a housing (100) with a partition (110) inside; a ground terminal (11) and a detection terminal (12) installed in the housing (100); a first connector (210) and a second connector (220) attached to the bulkhead (110); and a resistor (200) mounted on the partition wall (100), two connection ends of the resistor (200) being electrically connected to the first connector (210) and the second connector (220), respectively; wherein the first connector (210) and the second connector (220) are in electrical contact with the ground terminal (11) and the detection terminal (12) respectively to reduce the resistance (200) between the ground terminal (11) and the detection terminal (12) to connect electrically. charging socket claim 1 , characterized in that the first connecting element (210) has a first fastening part (213), a first slot (111b) is formed on the partition wall (110) and the first fastening part (213) is inserted into the first slot (111b), to attach the first connector (210) to the bulkhead (110); the second connecting member (220) has a second fastening part (223), a second slit (112b) is formed on the partition wall (110), and the second fastening part (223) is inserted into the second slit (112b) to fasten the second connecting member ( 220) to be attached to the partition (110). charging socket claim 2 characterized in that the first connecting member (210) comprises a plurality of first fixing parts (213) separated from each other and a plurality of first slits (111b) corresponding to the plurality of first fixing parts (213) on the partition wall (110) is formed, the second connecting member (220) has a plurality of second fastening parts (223) which are separated from each other, and a plurality of second slots (112b) corresponding to the plurality of second fastening parts (223) at which Partition (110) is formed. charging socket claim 2 , characterized in that the resistor (200) is a pin-type resistor (200) having a first pin (201) and a second pin (202), and the first pin (201) and the second pin (202) with the first fastening part (213) and the second fastening part (223) are electrically connected. charging socket claim 4 , characterized in that a first notch (213a) is formed on the first fixing part (213), a first groove (111a) is formed on the partition (110) and the first pin (201) of the resistor (200) in the first groove (111a) received and clamped in the first notch (213a); a second notch (223a) is formed on the second fixing part (223), a second groove (112a) is formed on the partition wall (110), and the second pin (202) of the resistor (200) is received in the second groove (112a). and clamped in the second notch (223a). charging socket claim 1 , characterized in that at least one of the first connecting member (210) and the second connecting member (220) has a fixing part (213, 223), a slit (111b, 112b) is formed on the partition wall (110), and the fixing part ( 213, 223) is inserted into the slot (111b, 112b) to fix at least one of the first connecting member (210) and the second connecting member (220) to the partition wall (110). charging socket claim 6 , characterized in that a notch (213a, 223a) is formed on the fixing part (213, 223), a groove (111a, 112a) is formed on the partition wall (110), and the pin (201, 202) of the resistor (200 ) received in the groove (111a, 112a) and clamped in the notch (213a, 223a). charging socket claim 1 , characterized in that at least one of the first connection element (210) and the second connection element (220) is welded to the resistor (200). charging socket claim 1 , characterized in that at least one of the first connection element (210) and the second connection element (220) is crimped to the resistor (200). charging socket claim 2 , characterized in that the first connection element (210) also has a first connection part (214) and the second connection element (220) also has a second connection part (224); the resistor (200) is a patch resistor welded to the first connection part (214) and the second connection part (224). charging socket claim 10 , characterized in that the first connection part (214) is connected to the first attachment part (213) and extends in a direction parallel to the surface of the partition wall (110); the second connection part (224) is connected to the second attachment part (223) and extends in a direction parallel to the surface of the partition wall (110). charging socket after any of the Claims 1 until 11 , characterized in that the first connection element (210) further comprising: a first socket (211) which is connected to the first attachment part (213); and a pair of first elastic arms (212) each connected to both sides of the first socket (211) for clamping the ground terminal (11), the second connecting member (220) further comprising: a second socket (221) connected to the second attachment part (223); and a pair of second elastic arms (222) respectively connected to both sides of the second socket (221) for clamping the detection terminal (12). charging socket claim 12 , characterized in that the first elastic arm (212): a first connecting arm part (212a) one end of which is connected to a side of the first base (211); and a first bending arm part (212b) connected to the other end of the first connecting arm part (212a) and bent at a predetermined angle relative to the first connecting arm part (212a) to electrically contact the ground terminal (11), the second An elastic arm (222) comprising: a second connecting arm part (222a) having one end connected to a side of the second base (221); and a second bending arm part (222b) connected to the other end of the second connecting arm part (222a) and bent at a predetermined angle relative to the second connecting arm part (222a) to electrically contact the detection terminal (12). charging socket after any of the Claims 1 until 11 , characterized in that at least one of the first connection member (210) and the second connection member (220): a socket (211, 221) which is connected to the attachment part (213, 223); and a pair of elastic arms (212, 222) respectively connected to both sides of the base (211, 221) for clamping the ground terminal (11) or the detection terminal (12). charging socket Claim 14 , characterized in that the resilient arm (212, 222); a connecting arm part (212a, 222a) one end of which is connected to one side of the base (211, 221); and a bending arm part (212b, 222b) connected to the other end of the connecting arm part (212a, 222a) and bent at a predetermined angle relative to the connecting arm part (212a, 222a) to form the ground terminal (11) or to electrically contact the detection terminal (12).

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