Connector

Abstract

A charging interface (1) is provided with: a terminal member (70) in which a wire connection section (41) is electrically connected to a core wire (4) exposed from a sheath (2) at the end of a wire; a connector housing (20) that holds the terminal member (70) in the terminal holding portion (51); a refrigerant housing section (53) that communicates with the terminal holding section (51); a refrigerant (100) that circulates from the outside to the refrigerant accommodating section (53); and a waterproof member (45) that covers the end of the electric wire to which the electric wire connection part (41) is connected so as to prevent the refrigerant (100) from entering the coating (2).

Description

Technical Field

[0001] This invention relates to connectors. Background Technology

[0002] Previously, in order to supply power (charging) to the batteries of vehicles such as electric vehicles and plug-in hybrid vehicles from outside the vehicle, a connector (charging interface) was installed in the vehicle.

[0003] In such connectors, a high current is required to increase the capacity of the mounted energy storage device and shorten the charging time. However, if the current is high, the heat generated in the connector's terminal connection due to energization will cause the connector's temperature to rise significantly. Therefore, for connectors with terminal connection parts, such as charging interfaces, connectors that can suppress the temperature rise when energized have been proposed (for example, see Patent Documents 1 to 5).

[0004] The connector disclosed in Patent Document 1 includes: a vehicle-side terminal (terminal component), a connector housing for holding the vehicle-side terminal, and a heat storage body housed within the connector housing. The heat storage body comprises: a housing housed within the connector housing and a heat storage material housed within the housing. Therefore, the heat storage material of the heat storage body absorbs heat generated at the terminal, thereby suppressing a rapid temperature rise at the terminal, etc.

[0005] Furthermore, the connector disclosed in Patent Document 2 includes: a terminal (terminal component) having a retaining portion integrally formed with a terminal connection portion and a wire connection portion; and a heat storage body held in the retaining portion. The heat storage body has a heat storage material (latent heat storage material) housed inside a housing (enclosed space), the housing being held in the retaining portion. The heat storage material is capable of absorbing heat generated at the terminal. Therefore, it is possible to suppress a rapid temperature rise at the terminal.

[0006] Furthermore, in the liquid-cooled charging system for vehicles disclosed in Patent Document 3, the fluid circuit extends along the components (contact terminals, housing, etc.) of the charging assembly. Therefore, refrigerant can flow through the fluid circuit to dissipate heat from the components of the charging assembly during vehicle charging.

[0007] Furthermore, the cooling device for a vehicle charging interface disclosed in Patent Document 4 includes a receiving terminal (terminal component), a housing holding the receiving terminal, and a charging interface cooling circuit connected to a battery cooling circuit and supplied with refrigerant. Moreover, a flow path for the refrigerant supplied from the charging interface cooling circuit is formed within the housing. Therefore, during charging, the refrigerant flows through the flow path in the housing holding the receiving terminal, thereby cooling the receiving terminal held by the housing.

[0008] Furthermore, the connector disclosed in Patent Document 5 has a refrigerant flow path inside the terminal (terminal component) for refrigerant to flow. Therefore, during charging, refrigerant flows through the refrigerant flow path of the terminal, which can cool the terminal.

[0009] Existing technical documents

[0010] Patent documents

[0011] Patent Document 1: Japanese Patent Application Publication No. 2020-113448

[0012] Patent Document 2: Japanese Patent Application Publication No. 2020-187920

[0013] Patent Document 3: Japanese Patent Application Publication No. 2021-19499

[0014] Patent Document 4: Japanese Patent Application Publication No. 2022-25813

[0015] Patent Document 5: Japanese Patent Application Publication No. 2022-7469 Summary of the Invention

[0016] The technical problem that the invention aims to solve

[0017] However, in the connectors disclosed in the aforementioned patent documents 1 and 2, the temperature rise of the heating part is slowed down by accumulating heat in the heat storage material, which can suppress the temperature. However, when a larger current flows, the temperature requirement cannot be met by heat storage alone.

[0018] In addition, in the cooling method disclosed in the aforementioned Patent Document 4, the rapid temperature rise during energization can be suppressed by circulating the refrigerant within the flow path. However, since the heat of the terminals is cooled via the housing, the thermal resistance is relatively large, making it difficult to meet higher temperature requirements.

[0019] Furthermore, in the connectors disclosed in patent documents 3 and 5, a refrigerant flow path for refrigerant flow must be formed within the terminal, and the cable conductor and cooling pipe must be connected to the terminal respectively, making the terminal structure complex. Therefore, this leads to an increase in connector manufacturing costs.

[0020] The present invention was made in view of the above circumstances, and its object is to provide a connector that can suppress the temperature rise of terminal components when energized and is easy to manufacture.

[0021] Technical means for solving problems

[0022] To achieve the above objectives, the connector of the present invention has the following features.

[0023] A connector comprising:

[0024] Terminal components, wherein the wire connection portion is electrically connected to the core wire exposed from the sheath at the end of the wire;

[0025] A connector housing that holds the terminal component in a terminal holding portion;

[0026] A refrigerant receiving section, which is in communication with the terminal holding section;

[0027] Refrigerant, which circulates from the outside to the refrigerant containment; and

[0028] A waterproof component that covers the end of the wire connected to the wire connection portion to prevent the refrigerant from seeping into the sheath.

[0029] Invention Effects

[0030] According to the present invention, a connector that can suppress the temperature rise of terminal components when energized and is easy to manufacture can be provided.

[0031] The present invention has been briefly described above. The details of the invention will then become clearer by referring to the accompanying drawings and reading the following description of methods for carrying out the invention (hereinafter referred to as "implementation methods"). Attached Figure Description

[0032] Figure 1 This is an overall perspective view of a connector according to one embodiment of the present invention.

[0033] Figure 2 yes Figure 1 Section II-II is shown in the view.

[0034] Figure 3 yes Figure 1 The connector shown is an exploded perspective view.

[0035] Figure 4 This is an explanation Figure 3 A perspective view of the connection between the terminal and the wire.

[0036] Figure 5 This is a perspective view of the connector, viewed from the rear side, showing the connector before the cover is installed in the connector housing.

[0037] Figure 6 yes Figure 2 The VI-VI section is shown in the view. Detailed Implementation

[0038] Hereinafter, specific embodiments related to the present invention will be described with reference to the figures.

[0039] One embodiment of the present invention relates to a connector, namely a charging interface 1, which is provided in a vehicle such as a plug-in hybrid electric vehicle or an electric vehicle and is connected to a wire extending from a battery mounted in the vehicle. This is achieved by fitting the opposite connector (so-called a charging gun) into the fitting recess 63 of the charging interface 1 (see reference 63). Figure 1 (etc.), thereby supplying power to the battery from outside the vehicle to charge the battery.

[0040] For ease of explanation, the following is as follows: Figure 1 As shown, the "front-back direction", "left-right direction", and "up-down direction" are defined. These "front-back direction", "left-right direction", and "up-down direction" are orthogonal to each other. The front-back direction is consistent with the mating direction of the charging interface 1 and the other side connector (not shown). The mating direction from the perspective of the charging interface 1, the side facing forward (the side closer to the other side connector) is called the "front side", and the mating direction from the perspective of the charging interface 1, the side away from the other side connector is called the "rear side".

[0041] like Figures 1-3 As shown, the charging interface 1 includes: a pair of terminal components 70, each electrically connected to one end of a pair of wires 3; and a connector housing 20 that houses the pair of terminal components 70. The other end of the wires 3 is connected to a battery (not shown). The wires 3 consist of a core wire 4 and an insulating resin sheath 2 covering the core wire 4 (see reference). Figure 4 The components constituting the charging interface 1 will be described in turn below.

[0042] First, the connector housing 20 will be described.

[0043] In this example, such as Figure 1 and Figure 2 As shown, the connector housing 20 includes a retainer 50, a housing body 60, and a cover 30. The retainer 50 and the housing body 60 are respectively skeleton components of the connector housing 20, forming part of the outer surface of the connector housing 20. Of course, the connector housing of the present invention is not limited to this, and various methods can be adopted based on the spirit of the present invention.

[0044] Furthermore, the "skeleton component" of the connector housing 20 refers to a component that has sufficient rigidity and strength to maintain the shape of the connector housing 20 itself, so as to retain the position of the terminal component 70 against external forces exerted on the terminal component 70 when it is engaged with the counterpart terminal (not shown). In other words, it refers to a component made of a material that will not soften or become brittle due to the rising operating temperature of the terminal component 70.

[0045] The components constituting the connector housing 20 will be described in turn below.

[0046] The holding member 50 functions to hold a pair of terminal members 70 in a state of being spaced apart from each other in the left - right direction and insulated from each other. As Figure 2 and Figure 3 shown, the holding member 50 integrally forms a pair of terminal holding portions 51 arranged in the left - right direction, a refrigerant accommodating portion 53 formed at the rear portion on the opposite side of the terminal holding portion 51, and a pair of wire introducing portions 55 arranged in the left - right direction.

[0047] As Figure 5 shown, each terminal holding portion 51 in the holding member 50 has a cylindrical shape extending in the front - rear direction. The connecting portion 52 connects the pair of terminal holding portions 51. The power terminals 10 of the pair of terminal members 70 are respectively inserted into the inner spaces of the pair of terminal holding portions 51 from the front side.

[0048] The refrigerant accommodating portion 53 is formed in a concave shape with the rear portion on the opposite side of the terminal holding portion 51 opened through an opening portion 56. The opening portion 56 of the refrigerant accommodating portion 53 is closed by a lid 30 described later, thereby forming an accommodating space for liquid - sealing the insulating refrigerant 100. And the refrigerant accommodating portion 53 communicates with the inner spaces of each terminal holding portion 51.

[0049] The wire introducing portion 55 extends downward in a direction crossing the fitting direction of the holding member 50 and the other - side connector. A wire insertion hole 57 communicating with the refrigerant accommodating portion 53 is formed in the wire introducing portion 55. The LA terminals (round terminals, Japanese: 丸形端子) 40 of the pair of terminal members 70 are respectively inserted into the wire insertion holes 57 from the lower side.

[0050] At the front end portion of the holding member 50, a pair of extending portions 54 extending outward in the left - right direction from both side portions in the left - right direction of the front end portion, and a pair of side wall portions 59 extending forward from the extending end portions of the pair of extending portions 54 are integrally provided. When viewed from the front - rear direction, the pair of side wall portions 59 has a shape corresponding to a part of the circumferential shape (cylindrical shape) of the outer periphery of a cylindrical portion 61 of the housing main body 60 described later, and can be mounted on the cylindrical portion 61 so as to cover the outer peripheral surface of the rear end portion of the cylindrical portion 61.

[0051] As Figure 3 shown, on the outer peripheral surfaces (left - right direction outer side surfaces) of the pair of side wall portions 59, screw insertion portions 58 are provided at a plurality of positions (in this example, four positions) respectively. A screw insertion hole 58a penetrating in the front - rear direction is formed in each screw insertion portion 58. A screw (not shown) for assembling the housing main body 60 is inserted through the screw insertion hole 58a.

[0052] Next, the housing main body 60 will be described.

[0053] As Figures 1-3As shown, the housing body 60 is assembled to the retainer 50 from the front and functions as the fitting recess 63 forming the charging interface 1. The housing body 60 is a resin molded article and integrally has a cylindrical portion 61 extending in the front-rear direction and a rear wall portion 62 that closes the rear opening of the cylindrical portion 61. The fitting recess 63, which opens at the front and is recessed at the rear, is defined by the cylindrical portion 61 and the rear wall portion 62.

[0054] On the rear wall portion 62, corresponding to the terminal connection portions 21 of the pair of power terminals 10, a pair of cylindrical female terminal receiving portions 64 are provided in a forward-protruding manner. Each female terminal receiving portion 64 is located within the fitting recess 63 and has an internal space that extends through in the front-rear direction.

[0055] Additionally, on the rear wall portion 62, corresponding to a pair of female terminal receiving portions 64, a pair of cylindrical retainer fitting portions 69 are provided in a rearward-protruding manner. When the retainer fitting portions 69 are assembled to the retainer 50 from the front side, they are externally fitted into the front end of the terminal holding portion 51 of the retainer 50.

[0056] At a position on the outer peripheral surface of the cylindrical portion 61 that is further rearward than the center in the front-rear direction, such as Figure 3 The cylindrical portion 61 is provided with an annular flange portion 65 protruding radially outward. On the flange portion 65, screw insertion holes 67 are formed at multiple circumferential locations (four locations in this example) corresponding to the plurality of screw insertion holes 58a of the retainer 50, extending in the front-rear direction. Screws for assembling the housing body 60 are inserted into the screw insertion holes 67.

[0057] Next, we will explain cover 30.

[0058] The cover 30 is formed in the shape of an elongated plate and is assembled from the rear side to the refrigerant receiving portion 53 of the retainer 50 (see reference 33) via an annular sealing member 33. Figure 5 Thus, the opening 56 of the refrigerant receiving section 53 of the retainer 50 is closed by the cover 30.

[0059] A plurality of locking tabs 35 with locking holes 34 are formed on the periphery of the cover 30. By assembling the cover 30 to the retainer 50, locking claws 32 formed on the retainer 50 enter the locking holes 34 of these locking tabs 35. Thus, each locking tab 35 is locked by the locking claws 32, maintaining the cover 30 in the state of being assembled to the retainer 50.

[0060] Furthermore, a refrigerant outgoing path 37a and a refrigerant return path 37b, which are connected to a pair of openings 31 formed in the cover 30 and communicate with the refrigerant storage section 53, are connected to one end of each. The other ends of the refrigerant outgoing path 37a and the refrigerant return path 37b are connected to a cooling device (not shown) for cooling the refrigerant 100, allowing the refrigerant 100 filled in the refrigerant storage section 53 of the retainer 50 to circulate. That is, the refrigerant 100, after being cooled by the cooling device, is supplied to the refrigerant storage section 53 through the refrigerant outgoing path 37a and discharged from the refrigerant storage section 53 to the cooling device through the refrigerant return path 37b. Insulating oil, insulating coolant, etc., can be used as the refrigerant 100.

[0061] In addition, as a cooling device, a cooling device that is mounted on the vehicle's onboard battery or a cooling device installed in an external charger can be used.

[0062] At one end of the refrigerant outgoing path 37a and refrigerant return path 37b, which connect to the opening 31 of the cover 30, a collar 38 is embedded and a rubber plug 39 is embedded. Therefore, the refrigerant outgoing path 37a and refrigerant return path 37b are formed of flexible tubing, but can liquid-tightly connect one end of the refrigerant outgoing path 37a and refrigerant return path 37b to the opening 31.

[0063] Next, the terminal component 70 of this embodiment will be described.

[0064] In this example, the pair of terminal components 70 are identical in shape. Each terminal component 70 is integrally formed by a power terminal 10 that fits into the other side terminal, an LA terminal 40 that is crimped to the core wire 4 of the wire 3, and a bolt 90 that fastens the LA terminal 40 together to the rear end of the power terminal 10.

[0065] Power terminal 10 is made of metal, such as Figure 3 As shown, the connector has a terminal connection portion 21 on the front end side that is electrically connected to the opposite terminal (male terminal), and a holding portion 22 on the rear end side that is held by the holding member 50 of the connector housing 20.

[0066] The terminal connection portion 21 is a female terminal portion having a plurality of elastic contact pieces 14. The plurality of elastic contact pieces 14 are generally cylindrical in shape and are inserted into the interior by a male terminal. In addition, the terminal connection portion 21 of this embodiment is not limited to a female terminal portion, and can also be configured as a male terminal portion.

[0067] The retaining part 22 is formed into a short-sized solid cylinder, and an O-ring 92 is installed in an annular groove formed on the outer peripheral surface. A threaded hole 23 for a bolt 90 to be screwed in is provided through the rear end face of the retaining part 22.

[0068] Figure 4 This is an explanation Figure 3 A perspective view of the connection portion 41 of the LA terminal 40 and the connection portion of the wire 3. Figure 4 In the middle, the LA terminal 40 on the right shows the state in which a waterproof component 45 is provided to prevent the coolant 100 from leaking through the wire 3, and the LA terminal 40 on the left shows the state before the waterproof component 45 is provided.

[0069] like Figure 4 As shown, the LA terminal 40 has a wire connection portion 41, which is crimped to the core wire 4 of the wire 3. Furthermore, the end of the wire connected to the wire connection portion 41 of the LA terminal 40 is covered by a waterproof component 45.

[0070] As a waterproof component 45, heat shrink tubing, potting, resin molding, etc. can be used. The waterproof component 45 covers at least from the end of the core wire 4 that is crimped to the wire connection portion 41 of the core wire 4 to the end of the sheath 2 that exposes the core wire 4, thereby preventing refrigerant 100 from penetrating into the sheath 2 of the wire 3.

[0071] Next, the assembly sequence of the charging interface 1 in this embodiment will be explained.

[0072] Figure 5 This is a perspective view of the charging interface 1, viewed from the rear side, before the cover 30 is installed on the connector housing 20.

[0073] First, such as Figure 2 As shown, the power terminal 10 is inserted from the front into the internal space of the terminal holding portion 51 of the connector housing 20. By pressing the O-ring 92 installed on the power terminal 10 into contact with the inner wall surface of the terminal holding portion 51, water is stopped between the terminal holding portion 51 and the power terminal 10.

[0074] Furthermore, the wire 3, with the LA terminal 40 connected to its end, passes through the wire guide portion 55 of the retainer 50, and the LA terminal 40 is fastened together with the bolt 90 to the rear end of the power terminal 10. Therefore, the terminal component 70 of the power terminal 10, which is held in the terminal retainer portion 51, is housed within the connector housing 20.

[0075] Additionally, a rubber plug 93 is installed on the wire 3 to prevent water from entering between the end of the wire 3 and the wire insertion hole 57 of the wire inlet 55. The rubber plug 93 is prevented from falling off by a rear retainer 80 installed at the lower end of the wire inlet 55.

[0076] Next, as Figure 5As shown, the cover 30 is assembled onto the connector housing 20, such that the locking claws 32 of the connector housing 20 are engaged with the locking tabs 35 of the cover 30. Thus, by assembling the cover 30, the connector housing 20 is covered by the cover 30, thereby covering the assembly working hole of the terminal component 70, i.e., the opening 56 of the refrigerant receiving section 53.

[0077] At this time, as Figure 2 and Figure 6 As shown, the opening 56 of the refrigerant containment section 53 is sealed by the sealing member 33 of the cover 30. Furthermore, an O-ring 92 prevents water from entering between the terminal holding section 51 connected to the refrigerant containment section 53 and the power terminal 10, and a rubber plug 93 prevents water from entering between the wire guide section 55 connected to the refrigerant containment section 53 and the wire 3. Additionally, the wire end of the wire connection section 41 connected to the LA terminal 40 in the terminal member 70 is covered by a waterproof member 45, thereby preventing refrigerant 100 from seeping into the insulation 2 of the wire 3.

[0078] Therefore, the filled refrigerant 100 can be reliably liquid-sealed in the receiving space of the refrigerant receiving section 53. Furthermore, the refrigerant 100 filled in the refrigerant receiving section 53 can circulate between the refrigerant receiving section 53 and the cooling device via the refrigerant outgoing path 37a and the refrigerant return path 37b connected to the cover 30.

[0079] Next, the function of the charging interface 1 in this embodiment described above will be explained.

[0080] If the charging gun is embedded in Figure 1 The charging interface 1 shown supplies charging current to the battery mounted in the vehicle from an external charger via the charging gun and the charging interface 1. In particular, when a large charging current is supplied to the battery from an external charger in order to shorten the charging time, heat is easily generated at the contact portion between the opposite terminal of the charging gun and the power terminal 10 of the terminal component 70 in the charging interface 1.

[0081] At this time, in the charging interface 1 of this embodiment, the refrigerant 100 circulates in the receiving space of the refrigerant receiving portion 53, which is connected to the terminal holding portion 51 of the connector housing 20. That is, the terminal component 70 is configured to be immersed in the refrigerant 100 in the refrigerant receiving portion 53, so that the heated terminal component 70 can directly contact the refrigerant 100.

[0082] Therefore, according to the charging interface 1 of this embodiment, the heated terminal component 70 can directly contact the refrigerant 100 circulating from the outside, thus reducing thermal resistance and achieving high cooling performance. In addition, the refrigerant 100 in the refrigerant storage section 53 is constantly circulating, thereby generating a temperature difference with the heated part, enabling efficient heat transfer and heat dissipation, and suppressing temperature rise.

[0083] In addition, a refrigerant containment portion 53 that communicates with the terminal retaining portion 51 can be easily formed in the retaining member 50 of the connector housing 20, and there is no need to form a refrigerant flow path in the terminal component 70, so the manufacturing cost of the charging interface 1 can be suppressed.

[0084] Furthermore, in the charging interface 1 of this embodiment, the terminal component 70 has: a power terminal 10 that engages with the other terminal; and an LA terminal 40 that is fastened to the power terminal 10 with a bolt 90.

[0085] Therefore, when assembling the charging interface 1, the power terminal 10 is inserted into the terminal holding part 51, the wire 3 with the LA terminal 40 connected to the end of the wire is passed through the wire guide part 55 of the holding part 50, and then the LA terminal 40 is fastened to the rear end of the power terminal 10 by the bolt 90, so that the terminal component 70 can be easily housed in the connector housing 20.

[0086] Furthermore, in the charging interface 1 of this embodiment, the O-ring 92 installed on the power terminal 10 held by the terminal holding part 51 provides water-stopping between the terminal holding part 51 and the power terminal 10, and the rubber plug 93 installed at the end of the wire inlet 55 of the retainer 50 passing through the connector housing 20 provides water-stopping between the wire inlet 55 and the end of the wire 3.

[0087] Therefore, the refrigerant 100 filled in the refrigerant receiving portion 53 formed in the retainer 50 of the connector housing 20 can be reliably liquid sealed in the receiving space.

[0088] Furthermore, in this embodiment, the refrigerant receiving section 53 in the charging interface 1 is connected to a refrigerant outgoing path 37a and a refrigerant return path 37b, which are connected to a cooling device for cooling the refrigerant 100.

[0089] Therefore, the refrigerant 100 in the refrigerant containment section 53 circulates continuously through the refrigerant outgoing path 37a and the refrigerant return path 37b, thereby generating a temperature difference with the heating part, which can efficiently transfer and dissipate heat and suppress temperature rise.

[0090] Therefore, a charging interface 1 that can suppress the temperature rise of the terminal component 70 when energized and is easy to manufacture can be provided.

[0091] Furthermore, the present invention is not limited to the embodiments described above, and can be appropriately modified or improved. Moreover, the material, shape, size, quantity, and arrangement of the constituent elements in the above embodiments are arbitrary and not limited, as long as they enable the realization of the present invention.

[0092] For example, in the charging interface 1 described above, a pair of terminal components 70 corresponding to the positive and negative terminals are housed in a common refrigerant housing 53, thus using an insulating refrigerant 100 such as insulating oil or insulating coolant. In contrast, when a pair of terminal components 70 are housed in a pair of different refrigerant housings separated by a partition wall, or when a single terminal component 70 is housed in a single refrigerant housing, since the refrigerant is not required to be insulating, a conductive refrigerant such as water or coolant can be used.

[0093] In addition, in the charging interface 1 described above, the terminal component 70 uses bolts 90 to fasten the power terminal 10 and the LA terminal 40 together to form an integral unit. However, the terminal component of the present invention is not limited to this, and various methods can be adopted based on the spirit of the present invention.

[0094] Here, the features of the above-described embodiments of the connector of the present invention are briefly summarized and listed as follows [1] to [4].

[0095] [1] A connector (charging interface 1) includes:

[0096] Terminal component (70), wherein the wire connection part (41) is electrically connected to the core wire (4) exposed from the sheath (2) at the end of the wire;

[0097] Connector housing (20) which holds the terminal component (70) in terminal holding portion (51);

[0098] A refrigerant receiving section (53) is connected to the terminal holding section (51);

[0099] Refrigerant (100), which circulates from the outside to the refrigerant containment section (53); and

[0100] A waterproof component (45) covers the end of the wire connected to the wire connection portion (41) to prevent the refrigerant (100) from entering the cover (2).

[0101] The connector (charging interface 1) configured according to the above [1] is configured such that the terminal component (70) is immersed in the refrigerant (100) in the refrigerant containment section (53), and the heated terminal component (70) can directly contact the refrigerant (100).

[0102] Therefore, the heated terminal component (70) can come into direct contact with the refrigerant (100) circulating from the outside, thus reducing thermal resistance and achieving high cooling performance. Moreover, the refrigerant (100) in the refrigerant containment section (53) is constantly circulating, thereby generating a temperature difference with the heated part, enabling efficient heat transfer and heat dissipation, and suppressing temperature rise.

[0103] In addition, a refrigerant containment portion (53) that communicates with the terminal holding portion (51) can be easily formed in the connector housing (20), and there is no need to form a refrigerant flow path in the terminal component (70), thus suppressing the increase in manufacturing cost of the connector (charging interface 1).

[0104] [2] According to the connector (charging interface 1) described in [1] above, wherein,

[0105] The terminal component (70) has: a power terminal (10) that engages with a counterpart terminal; and an LA terminal (40) that presses the wire connection (41) onto the end of the wire and fastens it to the power terminal (10) with a bolt (90).

[0106] According to the connector (charging interface 1) structure described above [2], when assembling the connector (charging interface 1), the power terminal (10) is inserted into the terminal holding part (51), and after the wire (3) with the LA terminal (40) connected to the end of the wire passes through the wire guide part (55) of the connector housing (20), the LA terminal (40) and the rear end of the power terminal (10) are fastened together by bolts (90), so that the terminal component (70) can be easily housed in the connector housing (20).

[0107] [3] According to the connector (charging interface 1) described in [2] above, wherein,

[0108] An O-ring (92) installed on the power terminal (10) held by the terminal holding part (51) provides a water stop between the terminal holding part (51) and the power terminal (10).

[0109] A ring-shaped rubber plug (93) installed at the end of the wire through the wire inlet (55) of the connector housing (20) provides waterproofing between the wire inlet (55) and the end of the wire.

[0110] According to the connector (charging interface 1) configured as described above [3], the filled refrigerant (100) can be reliably liquid-sealed in the receiving space of the refrigerant receiving part (53) formed in the connector housing (20).

[0111] [4] The connector (charging interface 1) according to any one of [1] to [3] above, wherein,

[0112] The refrigerant containment section (53) is connected to a refrigerant outgoing path (37a) and a refrigerant return path (37b) connected to a cooling device for cooling the refrigerant (100).

[0113] According to the connector (charging interface 1) configured as described above [4], the refrigerant (100) in the refrigerant containment section (53) circulates continuously through the refrigerant outgoing path (37a) and the refrigerant return path (37b), thereby generating a temperature difference with the heating section, efficiently transferring and dissipating heat, and suppressing temperature rise.

[0114] Explanation of reference numerals in the attached figures

[0115] 1…Charging interface (connector)

[0116] 2…covering

[0117] 3…electric wires

[0118] 4…core wire

[0119] 20… Connector Housing

[0120] 41…Wire connection part

[0121] 45… Waterproof components

[0122] 51…Terminal holding section

[0123] 53…Refrigerant containment section

[0124] 70…Terminal components

[0125] 100…refrigerant

Claims

1. A connector, characterized in that, have: A terminal component, wherein the wire connection portion of the terminal component is electrically connected to the core wire exposed from the sheath at the end of the wire; A connector housing that holds the terminal component in a terminal holding portion; A refrigerant receiving section, wherein the refrigerant receiving section is connected to the terminal holding section; Refrigerant, which circulates from the outside to the refrigerant containment. as well as A waterproof component covers the end of the wire to which the wire connection is attached, thereby preventing the refrigerant from seeping into the sheath.

2. The connector according to claim 1, wherein, The terminal component has: Power terminals, wherein the power terminals are engaged with the counterparty terminals; and The LA terminal crimps the wire connection portion to the end of the wire and is fastened to the power terminal by bolts.

3. The connector according to claim 2, wherein, An O-ring installed on the power terminal held by the terminal holder prevents water from entering between the terminal holder and the power terminal. A ring-shaped rubber plug installed at the end of the wire inlet, which passes through the connector housing, prevents water from entering between the wire inlet and the wire end.

4. The connector according to any one of claims 1 to 3, wherein, The refrigerant containment section is connected to a refrigerant outgoing path and a refrigerant return path, which are connected to a cooling device for cooling the refrigerant.

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