Detachable dc charging test module sealing structure

By designing a detachable DC charging calibration module with a sealed structure, and utilizing components such as female and male plastic shells, sealing rings, and electronic locks, the problem of inaccurate metering in electric vehicle charging devices is solved, achieving convenient metering calibration and a fully enclosed and sealed charging process.

CN115275692BActive Publication Date: 2026-01-16NINGBO TAIFENGYUAN ELECTRIC CO LTD
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Patent Information

Application Number
CN202211061306.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-01
Publication Date
2026-01-16
Estimated Expiration
2042-09-01

AI Technical Summary

Technical Problem

Existing electric vehicle charging devices are inaccurate in their metering, making it difficult for users to conveniently perform metering and calibration. There is a need to design a portable calibration device to achieve sealing and clamping during the charging process.

Method used

A detachable DC charging verification module sealing structure was designed, including female and male end plastic shells, sealing rings, electronic locks and other components. The female end main sealing ring, the female shell outer sealing ring and the electronic lock sealing ring achieve full enclosure and high protection, ensuring the sealing of the charging process.

Benefits of technology

It achieves a fully enclosed detachable AC charging verification module, providing high water resistance and a fully sealed design when locked, ensuring the reliability and safety of the charging process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN115275692B_ABST
Patent Text Reader

Abstract

The application relates to a detachable direct-current charging calibration module sealing structure, which is a three-dimensional structure surrounded by a female end plastic shell and a male end plastic shell, characterized by being internally provided with a terminal group, wherein the female end plastic shell is a square groove body, an inner protruding block is arranged at the inner corner of the female end plastic shell, a female end main body fixed screw hole column is arranged on one side of the inner protruding block, a female end sealing screw is arranged on the inner protruding block, a sealing groove is arranged on the upper side of the inner edge of the female end plastic shell, a female shell outer sealing ring is arranged in the sealing groove, the bottom of the female end plastic shell is provided with a cylindrical perforation, a female end protective cover is inserted into the lower side of the cylindrical perforation, and a female end main body sealing ring is arranged between the cylindrical perforation and the female end protective cover; the structure is provided with the female end main body sealing ring, the female shell outer sealing ring and related novel structures, and the detachable alternating-current charging calibration module can be reliably fully closed, thereby achieving a high protection and water blocking effect.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of electric power, and particularly relates to a detachable direct-current charging calibration module sealing structure. BACKGROUND

[0002] With the popularity of electric vehicles, the measurement of automobile charging devices often has the problem of inaccuracy. In order to ensure the accuracy of measurement, the charging pile as a whole needs to be taken to the calibration department for detection and calibration, which brings great difficulty to users. In order to facilitate measurement and calibration, a portable calibration device needs to be designed, which requires the design and development of a lock and sealing mechanism compatible with the charging gun to enable clamping and sealing during the charging process. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the application relates to a detachable direct-current charging calibration module sealing structure, which is provided with a female end main body sealing ring, a female shell outer sealing ring and related novel structures, and can reliably fully enclose the detachable alternating-current charging calibration module to achieve high protection and water blocking effects.

[0004] The technical scheme of the application is as follows: a detachable direct-current charging calibration module sealing structure, the sealing structure is a three-dimensional structure surrounded by a female end plastic shell (1) and a male end plastic shell (2), and a terminal group (6) is arranged inside, the female end plastic shell (1) is a square groove body, an inner protrusion (7) is arranged at the inner corner of the female end plastic shell (1), a female end main body fixed screw hole column (27) is arranged on one side of the inner protrusion (7), a female end sealing screw (8) is arranged on the inner protrusion (7), a sealing groove (9) is arranged on the upper side of the inner edge of the female end plastic shell (1), a female shell outer sealing ring (10) is arranged in the sealing groove (9), a cylindrical perforation (11) is arranged at the bottom of the female end plastic shell (1), a female end protective cover (13) is inserted into the lower side of the cylindrical perforation (11), and a female end main body sealing ring (12) is arranged between the cylindrical perforation (11) and the female end protective cover (13).

[0005] Preferably, the male end plastic shell (2) is a square shell body, the size and shape of the curve of the inner side cross section of the bottom of the male end plastic shell (2) are consistent with the size and shape of the curve formed by the sealing groove (9) at the upper part of the female end plastic shell (1), the male end plastic shell (2) and the female end plastic shell (1) are sealed by the female shell outer sealing ring (10), and meanwhile, the male end plastic shell (2) and the female end plastic shell (1) are sealingly fixed by the female end sealing screw (8).

[0006] Preferably, a step-shaped front platform (14) is arranged on the front side of the square shell of the male plastic shell (2), which is integrated with the male plastic shell (2), a lock fixing device (15) is arranged at the middle position of the vertical surface of the step-shaped front platform (14), a lock hole (19) is arranged on the front side of the lock fixing device (15), a hot melt nut (17) is arranged on both sides of the horizontal surface of the front platform (14), and a lock protection cover screw is arranged on the hot melt nut (17); the upper end of the lock protection cover screw (16) is provided with a lead seal cap (20), a lock protection shell (22) is arranged outside the front platform (14), the lead seal cap (20) seals the lock protection shell (22), and the lower end of the lock protection cover screw (16) is the hot melt nut (17); the hot melt nut (17) seals the lock protection cover screw (16); the upper side of the male plastic shell (2) is provided with a male terminal shell (18); the male terminal shell (18) is a cylindrical body, the cylindrical body is provided with a male terminal shell hole, and the male terminal shell hole includes two DC terminal holes (23), one PE terminal hole (24) and five male terminal holes (26); the bottom of the cylindrical body is provided with a terminal fixing sheet (57) with a hole; the shape and position of the hole of the terminal fixing sheet (57) are consistent with the shape and position of the male terminal shell hole.

[0007] Preferably, a female main body (4) is arranged at the bottom of the female plastic shell (1), the female main body (4) includes a female base (28) and a female terminal shell (29); the female terminal shell (29) is located above the female base (28) and is an integrated structure with the female base (28);

[0008] Preferably, the female base (28) is provided with a female main body fixing screw (30), a lock rod hole column (31) and an electronic lock fixing column (32) at four corners; the female main body fixing screw (30) is fixed at the female main body fixing screw hole column (27); the female terminal shell (29) is provided with two female DC terminal holes (34), one female PE terminal hole (35), one female CC terminal hole (36) and five female terminal holes (37), and an electronic lock (33) is arranged on the electronic lock fixing column (32);

[0009] A female lock (5) is arranged at the upper part of the female main body (4), and the female lock (5) is a cylindrical shell; the bottom curve of the cylindrical shell is consistent with the cross-sectional curve of the female terminal shell (29);

[0010] The bottom end of the female lock (5) is connected with the top end of the female terminal shell (29); the top end of the female lock (5) is provided with two female lock DC terminal holes (38), one female lock PE terminal hole (39), one female lock CC terminal hole (40) and five female terminal lock holes (41);

[0011] The electronic lock (33) is a square column provided with an up-down through hole (45) in the center, the electronic lock (33) is provided with an electronic lock rod (21), a lock catch (46) is arranged above the electronic lock rod (21), a long strip-shaped electronic lock bottom sheet (42) is arranged below the square column, and the square column and the long strip-shaped electronic lock bottom sheet (42) form an integrated structure; the electronic lock bottom sheet (42) is provided with electronic lock fixing screws (43) at both ends; the electronic lock fixing screws (43) are inserted into the electronic lock fixing column (32) to fix the electronic lock (33) on the female base (28); the through hole (45) is connected with the lock rod hole column (31), and the top end of the through hole (45) is provided with an electronic lock sealing ring (44); the electronic lock sealing ring (44) is used to seal the electronic lock and the electronic lock rod (21);

[0012] The electronic lock rod (21) is inserted into the through hole (45) and the lock rod hole column (31); when charging, the upper end of the electronic lock rod (21) is locked in the lock catch (46) to lock the charging equipment;

[0013] The terminal group (6) includes a DC terminal (47), a PE terminal (48), a CC terminal (49), a female terminal (50) and a male terminal (51); the upper segment and the lower segment of the DC terminal (47) are respectively provided with two DC sealing rings (52); the two DC sealing rings (52) are respectively used to seal the connection between the DC terminal hole (23) and the female lock DC terminal hole (38) and the connection between the female lock DC terminal hole (38) and the female DC terminal hole (34); the upper segment and the lower segment of the PE terminal (48) are respectively provided with two PE sealing rings (53); the two PE sealing rings (53) are respectively used to seal the connection between the PE terminal hole (24) and the female lock PE terminal hole (39) and the connection between the female lock PE terminal hole (39) and the female PE terminal hole (35); the upper segment and the lower segment of the CC terminal (49) are respectively provided with two CC sealing rings (54); the two CC sealing rings (54) are respectively used to seal the connection between the CC terminal hole (25) and the female lock CC terminal hole (40) and the connection between the female lock CC terminal hole (40) and the female CC terminal hole (36).

[0014] The female terminal (50) is provided with a female end sealing ring (55); the female end sealing ring (55) is used for sealing the connection between the female end terminal hole (37) and the female end terminal locking hole (41); the male terminal (51) is provided with a male end sealing ring (56); the male end sealing ring (56) is used for sealing the connection between the male end terminal hole (26) and the female end terminal locking hole (41).

[0015] Preferably, the cross-sectional curve shape and size of the cylindrical through hole (11), the female end main body sealing ring (12) and the female end protective cover (13) are consistent;

[0016] Preferably, the locking fixing device (15) is integrated with the male end plastic shell (2).

[0017] Preferably, the positions and shapes of the female end DC terminal hole (34), the female end PE terminal hole (35), the female end CC terminal hole (36) and the female end terminal hole (37) are consistent with the positions and shapes of the DC terminal hole (23), the PE terminal hole (24), the CC terminal hole (25) and the male end terminal hole (26); the cross-sectional curve of the female end terminal shell (29) is consistent with the cross-sectional curve of the male end terminal shell (18).

[0018] Preferably, the female end main body sealing ring (12) is located on the upper side of the inner wall of the cylindrical through hole (11).

[0019] Preferably, the shapes and positions of the female end locking DC terminal hole (38), the female end locking PE terminal hole (39), the female end locking CC terminal hole (40) and the female end terminal locking hole (41) provided at the top end of the female end locking (5) are consistent with the positions and shapes of the DC terminal hole (23), the PE terminal hole (24), the CC terminal hole (25) and the male end terminal hole (26).

[0020] The present application has the following beneficial effects:

[0021] 1) The present application is provided with a female end main body sealing ring, a female shell outer sealing ring and related novel structures, which can reliably fully seal the detachable alternating current charging test module, and has a high protection and water blocking effect;

[0022] 2) The present application is provided with an electronic lock sealing ring, which realizes full sealing when locked;

[0023] 3) The present application is provided with a terminal sealing ring, and the terminals of the terminal group realize sealed connection. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is an external structure schematic diagram of the test module of the present application;

[0025] Figure 2 This is a schematic diagram of the external structure of the verification module of the present invention;

[0026] Figure 3 This is a schematic diagram of the upper part of the female end plastic shell of the present invention. Figure 3 The left figure is a schematic diagram of the female end plastic shell structure of the present invention. Figure 3 The right figure is a schematic diagram showing the positions of the female end plastic shell and the female end protective cover of the present invention;

[0027] Figure 4 This is a schematic diagram of the lower part of the female end plastic shell of the present invention;

[0028] Figure 5 This is a schematic diagram of the outer side of the male end plastic shell of the present invention. Figure 5 The left image is a schematic diagram of the outer structure of the male end plastic shell. Figure 5 The right figure shows the structure of the thermoplastic nut for the locking protective shell;

[0029] Figure 6 This is a schematic diagram of the locking protective shell of the present invention. Figure 6 The left image shows the internal structure of the locking protective shell. Figure 6 The image on the right shows the appearance of the locking protective case;

[0030] Figure 7 This is a schematic diagram of the terminal fixing piece of the male end plastic shell structure of the present invention from a bottom view;

[0031] Figure 8 This is a top view of the positions of the female end body and the female end plastic shell of the present invention;

[0032] Figure 9 This is a schematic diagram of the upper side of the female locking mechanism of the present invention;

[0033] Figure 10 This is a schematic diagram of the outer side of the electronic lock of the present invention. Figure 10 The left image shows a schematic diagram of the electronic lock's location. Figure 10 The image on the right is a schematic diagram of an electronic lock structure;

[0034] Figure 11 This is a schematic diagram of the connection between the electronic lock and the latch of the present invention;

[0035] Figure 12 This is a schematic diagram showing the position of the terminal group according to the present invention.

[0036] In the figure, 1, female end plastic shell; 2, male end plastic shell; 3, female end protective cover; 4, female end main body; 5, female end lock; 6, terminal group; 7, inner protrusion; 8, female end sealing screw; 9, sealing groove; 10, female shell outer sealing ring; 11, cylindrical through hole; 12, female end main body sealing ring; 13, female end protective cover; 14, front desk; 15, lock catch fixing device; 16, lock catch protective cover screw; 17, hot melt nut; 18, male end terminal shell; 19, lock hole; 20, lead seal cap; 21, electronic lock rod; 22, lock catch protective shell; 23, DC terminal hole; 24, PE terminal hole; 25, CC terminal hole; 26, male end terminal hole; 27, female end main body fixing screw hole column; 28, female end base; 29, female end terminal shell; 30, female end main body fixing screw; 31, lock rod hole column; 32, electronic lock fixing column; 33, electronic lock; 34, female end DC terminal hole; 35, female end PE terminal hole; 36, female end CC terminal hole; 37, female end terminal hole; 38, female end lock DC terminal hole; 39, female end lock PE terminal hole; 40, female end lock CC terminal hole; 41, female end terminal lock hole; 42, electronic lock bottom sheet; 43, electronic lock fixing screw; 44, electronic lock sealing ring; 45, through hole; 46, lock catch; 47, DC terminal; 48, PE terminal; 49, CC terminal; 50, female end terminal; 51, male end terminal; 52, DC sealing ring; 53, PE sealing ring; 54, CC sealing ring; 55, female end sealing ring; 56, male end sealing ring; 57, terminal fixing sheet. DETAILED DESCRIPTION

[0037] Referring to Figures 1 to 12 , the present application is a three-dimensional structure surrounded by a female end plastic shell (1) and a male end plastic shell (2), the inside of the female end plastic shell (1) is provided with a terminal group (6);

[0038] The female end plastic shell (1) is a square groove body, see Figure 3 , from the inside of the groove body, an inner protrusion (7) is arranged at the inside corner, a female end main body fixing screw hole column (27) is arranged on one side of the inner protrusion (7); a female end sealing screw (8) is arranged on the inner protrusion (7); a sealing groove (9) is arranged on the upper side of the inner edge of the female end plastic shell (1), a female shell outer sealing ring (10) is arranged in the sealing groove (9); a cylindrical through hole (11) is arranged at the bottom of the female end plastic shell (1), see Figure 3 , the left figure; a female end protective cover (13) is inserted into the lower side of the cylindrical through hole (11), see Figure 3 , the right figure and Figure 4 , a female end main body sealing ring (12) is arranged between the cylindrical through hole (11) and the female end protective cover (13);

[0039] As shown in Figure 1 , Figure 3 ,Figure 7 and Figure 8 As shown in the figure, the curve size and shape of the inner side cross section of the bottom of the male plastic shell (2) is consistent with the curve shape and size formed by the sealing groove (9) of the upper part of the female plastic shell (1), and when installed, the male plastic shell (2) and the female plastic shell (1) are sealed by the female shell outer sealing ring (10); the male plastic shell (2) and the female plastic shell (1) are sealed and fixed by the female sealing screw (8).

[0040] Preferably, a stepped front platform (14) is arranged on the front side of the square shell of the male plastic shell (2), as shown in Figure 5 , which is an integral structure with the male plastic shell (2), and a lock fixing device (15) is arranged at the middle position of the vertical surface of the stepped front platform (14), a lock hole (19) is arranged on the front side of the lock fixing device (15), and a hot melt nut (17) is arranged on both sides of the horizontal surface of the front platform (14), and a lock protection cover screw (16) is arranged on the hot melt nut (17), as shown in Figure 6 left figure; the upper end of the lock protection cover screw (16) is provided with a lead seal cap (20), as shown in Figure 6 right figure, a lock protection shell (22) is arranged outside the front platform (14), the lead seal cap (20) seals the lock protection shell (22), and the hot melt nut (17) seals the lock protection cover screw (16).

[0041] As shown in Figure 5 , a male terminal shell (18) is arranged on the upper side of the male plastic shell (2); the male terminal shell (18) is a cylindrical body, and a male terminal shell hole is arranged in the cylindrical body, the male terminal shell hole includes two DC terminal holes (23), one PE terminal hole (24), and five male terminal holes (26); the bottom of the cylindrical body is provided with a terminal fixing sheet (57) with a hole, as shown in Figure 7 ; the shape and position of the hole of the terminal fixing sheet (57) are consistent with the shape and position of the male terminal shell hole.

[0042] A female main body (4) is arranged at the bottom of the female plastic shell (1), as shown in Figure 2 and Figure 8As shown, the female end body (4) includes a female end base (28) and a female terminal housing (29); the female terminal housing (29) is located on the female end base (28) and is an integral structure with the female end base (28); the female end base (28) is a square plate, and the four corners of the female end base (28) are provided with female end body fixing screws (30), locking rod holes (31), and electronic lock fixing posts (32); the female end body fixing screws (30) are fixed at the female end body fixing screw holes (27); the female terminal housing (29) is provided with two female end DC terminal holes (34), one female end PE terminal hole (35), one female end CC terminal hole (36), and five female terminal holes (37), see [reference]. Figure 10 As shown, an electronic lock (33) is provided on the electronic lock fixing post (32);

[0043] like Figure 2 As shown, a female end lock (5) is provided on the upper part of the female end body (4), and the female end lock (5) is a cylindrical shell; the bottom curve of the cylindrical shell is consistent with the cross-sectional curve of the female end shell (29); the bottom end of the female end lock (5) is connected to the top end of the female end shell (29); as shown Figure 5 As shown, the top of the female locking device (5) is provided with two female locking DC terminal holes (38), one female locking PE terminal hole (39), one female locking CC terminal hole (40) and five female locking holes (41).

[0044] See Figure 10 As shown, Figure 10 As shown in the right figure, the electronic lock (33) is a square column with a through hole (45) at the center. The electronic lock (33) has an electronic lock rod (21), and a buckle (46) is provided above the electronic lock rod (21). A long strip-shaped electronic lock base plate (42) is provided below the square column, which is an integral structure with the square column. Electronic lock fixing screws (43) are provided at both ends of the electronic lock base plate (42). The electronic lock fixing screws (43) are inserted into the electronic lock fixing column (32) to secure the electronic lock (33). 3) Fixed on the female end base (28); the through hole (45) is connected to the locking rod hole post (31), and the top of the through hole (45) is provided with an electronic lock sealing ring (44); the electronic lock sealing ring (44) is used to seal the electronic lock and the electronic lock rod (21); the electronic lock rod (21) is inserted into the through hole (45) and the locking rod hole post (31); when the upper end of the electronic lock rod (21) is charging, the electronic lock rod (21) is in the latch (46) to lock the charging device;

[0045] like Figure 8 and Figure 12As shown, the terminal group (6) includes a DC terminal (47), a PE terminal (48), a CC terminal (49), a female terminal (50), and a male terminal (51); the upper and lower sections of the DC terminal (47) are respectively provided with two DC sealing rings (52); the two DC sealing rings (52) are respectively used to seal the connection between the DC terminal hole (23) and the female locking DC terminal hole (38), and the connection between the female locking DC terminal hole (38) and the female DC terminal hole (34); the upper and lower sections of the PE terminal (48) are respectively provided with two PE sealing rings (53); the two The PE sealing rings (53) are used to seal the connection between the PE terminal hole (24) and the female locking PE terminal hole (39), and the connection between the female locking PE terminal hole (39) and the female PE terminal hole (35); the upper and lower sections of the CC terminal (49) are respectively provided with two CC sealing rings (54); the two CC sealing rings (54) are used to seal the connection between the CC terminal hole (25) and the female locking CC terminal hole (40), and the connection between the female locking CC terminal hole (40) and the female CC terminal hole (36). The female terminal (50) is provided with a female end sealing ring (55); the female end sealing ring (55) is used to seal the connection between the female terminal hole (37) and the female terminal locking hole (41); the male terminal (51) is provided with a male end sealing ring (56); the male end sealing ring (56) is used to seal the connection between the male terminal hole (26) and the female terminal locking hole (41).

[0046] like Figure 3 As shown, the cross-sectional curves of the cylindrical perforation (11), the female end main sealing ring (12), and the female end protective cover (13) are consistent in shape and size, and the female end main sealing ring (12) plays the role of sealing the female end;

[0047] Preferably, the locking device (15) and the male end plastic shell (2) are integrated into one structure.

[0048] Preferably, the position and shape of the female DC terminal hole (34), the female PE terminal hole (35), the female CC terminal hole (36), and the female terminal hole (37) are consistent with the position and shape of the DC terminal hole (23), the PE terminal hole (24), the CC terminal hole (25), and the male terminal hole (26); the cross-sectional curve of the female terminal shell (29) is consistent with the cross-sectional curve of the male terminal shell (18), and the female main body sealing ring (12) is located on the upper side of the inner wall of the cylindrical through hole (11). The top of the female lock (5) is provided with a female lock DC terminal hole (38), a female lock PE terminal hole (39), a female lock CC terminal hole (40), and a female terminal lock hole (41), the shape and position of which are consistent with the position and shape of the DC terminal hole (23), the PE terminal hole (24), the CC terminal hole (25), and the male terminal hole (26). The present application is provided with a female main body sealing ring, a female shell outer sealing ring, and related novel structures, which can reliably fully seal the detachable alternating current charging test module, achieve high protection and water blocking effect, and at the same time, an electronic lock sealing ring is provided, which realizes full sealing when locked.

Claims

1. A detachable DC charging calibration module sealing structure, the sealing structure is a three-dimensional structure surrounded by a female end plastic shell (1) and a male end plastic shell (2), characterized in that: Its inside The female end plastic shell (1) is a square groove body, an inner protrusion (7) is arranged at the inside corner of the female end plastic shell (1), a female end main body fixing screw hole column (27) is arranged on one side of the inner protrusion (7), a female end sealing screw (8) is arranged on the inner protrusion (7), a sealing groove (9) is arranged on the upper side of the inner edge of the female end plastic shell (1), a female shell outer sealing ring (10) is arranged in the sealing groove (9), a cylindrical perforation (11) is arranged at the bottom of the female end plastic shell (1), a female end protective cover (13) is inserted into the lower side of the cylindrical perforation (11), a female end main body sealing ring (12) is arranged between the cylindrical perforation (11) and the female end protective cover (13), and the female end main body sealing ring (12) is arranged on the upper side of the inner wall of the cylindrical perforation (11). The male end plastic shell (2) is a square shell body, the size and shape of the curve of the inner side cross section of the bottom of the male end plastic shell (2) are consistent with the size and shape of the curve formed by the sealing groove (9) at the upper portion of the female end plastic shell (1), the male end plastic shell (2) and the female end plastic shell (1) are sealed by the female shell outer sealing ring (10), and meanwhile, the male end plastic shell (2) and the female end plastic shell (1) are sealingly fixed by the female end sealing screw (8). A stepped front stage (14) is arranged on the front side of the square shell body of the male end plastic shell (2) and is in an integrated structure with the male end plastic shell (2), a lock buckle fixing device (15) is arranged at the middle position of the vertical surface of the stepped front stage (14), a lock hole (19) is arranged on the front side of the lock buckle fixing device (15), hot melt nuts (17) are arranged on both sides of the horizontal surface of the front stage (14), and lock buckle protective cover screws are arranged on the hot melt nuts (17); a lead seal cap (20) is arranged at the upper end of the lock buckle protective cover screw (16), a lock buckle protective shell (22) is arranged outside the front stage (14), the lead seal cap (20) seals the lock buckle protective shell (22), and the lower end of the lock buckle protective cover screw (16) is the hot melt nut (17); the hot melt nut (17) seals the lock buckle protective cover screw (16).

2. The removable DC charge verification module seal of claim 1, wherein: A male end terminal shell (18) is arranged on the upper side of the male end plastic shell (2); the male end terminal shell (18) is a columnar body, a male end terminal shell hole is arranged in the columnar body, the male end terminal shell hole includes two DC terminal holes (23), one PE terminal hole (24) and five male terminal holes (26), and the shape and position of the holes of a terminal fixing sheet (57) arranged at the bottom of the columnar body are consistent with the shape and position of the male end terminal shell hole.

3. The removable DC charging verification module seal of claim 2, wherein the removable DC charging verification module seal is a removable DC charging verification module seal that is configured to be removed from the DC charging verification module when the DC charging verification module is installed in the DC charging station. A female end main body (4) is arranged at the bottom of the female end plastic shell (1), the female end main body (4) includes a female end base (28) and a female end terminal shell (29), and the female end terminal shell (29) is arranged above the female end base (28) and is in an integrated structure with the female end base (28).

4. The removable DC charging verification module seal of claim 3, wherein: The female end base (28) is provided with female end main body fixing screws (30), lock rod hole columns (31), and electronic lock fixing columns (32) at four corners; the female end main body fixing screws (30) are fixed at the female end main body fixing screw hole columns (27); the female end sub-housing (29) is provided with two female end DC terminal holes (34), one female end PE terminal hole (35), one female end CC terminal hole (36), and five female end sub-holes (37), and an electronic lock (33) is arranged on the electronic lock fixing column (32); A female end lock (5) is arranged on the upper portion of the female end main body (4), and the female end lock (5) is a cylindrical housing; the bottom edge curve of the cylindrical housing is consistent with the cross-sectional curve of the female end sub-housing (29); the bottom end of the female end lock (5) is connected with the top end of the female end sub-housing (29); the top end of the female end lock (5) is provided with two female end lock DC terminal holes (38), one female end lock PE terminal hole (39), one female end lock CC terminal hole (40), and five female end sub-lock holes (41); the shapes and positions of the female end lock DC terminal holes (38), the female end lock PE terminal hole (39), the female end lock CC terminal hole (40), and the female end sub-lock holes (41) are consistent with the positions and shapes of the DC terminal hole (23), the PE terminal hole (24), the CC terminal hole (25), and the male terminal hole (26).

5. The removable DC charging verification module seal of claim 4, wherein: The electronic lock (33) is a square column body provided with an up-down through hole (45) in the center; the electronic lock (33) is provided with an electronic lock rod (21), and a lock catch (46) is arranged above the electronic lock rod (21); a long strip-shaped electronic lock bottom sheet (42) is arranged below the square column body, and the square column body and the long strip-shaped electronic lock bottom sheet (42) form an integrated structure; electronic lock fixing screws (43) are arranged at both ends of the electronic lock bottom sheet (42); the electronic lock fixing screws (43) are inserted into the electronic lock fixing columns (32) to fix the electronic lock (33) on the female end base (28); the through hole (45) is connected with the lock rod hole column (31); an electronic lock sealing ring (44) is arranged at the top end of the through hole (45); the electronic lock sealing ring (44) is used to seal the electronic lock and the electronic lock rod (21); the electronic lock rod (21) penetrates through the through hole (45) and the lock rod hole column (31).

6. The removable DC charging verification module seal of claim 4, wherein: The terminal group (6) includes DC terminals (47), PE terminals (48), CC terminals (49), female terminals (50) and male terminals (51); the upper and lower sections of the DC terminals (47) are respectively provided with two DC sealing rings (52); the two DC sealing rings (52) are respectively used to seal the connection between the DC terminal hole (23) and the female terminal locking DC terminal hole (38), and the connection between the female terminal locking DC terminal hole (38) and the female DC terminal hole (34); the upper and lower sections of the PE terminals (48) are respectively provided with two PE sealing rings (53); the two PE sealing rings (53) are respectively used to seal the connection between the PE terminal hole (24) and the female terminal locking PE terminal hole (39), and the connection between the female terminal locking PE terminal hole (39) and the female PE terminal hole (35); The upper and lower sections of the CC terminals (49) are respectively provided with two CC sealing rings (54); the two CC sealing rings (54) are respectively used to seal the connection between the CC terminal hole (25) and the female terminal locking CC terminal hole (40), and the connection between the female terminal locking CC terminal hole (40) and the female CC terminal hole (36); the female terminals (50) are provided with female sealing rings (55); the female sealing rings (55) are used to seal the connection between the female terminal hole (37) and the female terminal locking hole (41); the male terminals (51) are provided with male sealing rings (56); the male sealing rings (56) are used to seal the connection between the male terminal hole (26) and the female terminal locking hole (41).

7. The removable DC charging verification module seal of claim 1, wherein: The cross-sectional curve of the cylindrical perforation (11), the female main body sealing ring (12) and the female protective cover (13) are consistent in shape and size.

8. The removable DC charging verification module seal of claim 2, wherein: The lock buckle fixing device (15) is in an integrated structure with the male plastic shell (2).

9. The removable DC charging verification module seal of claim 4, wherein: The cross-sectional curve of the female terminal shell (29) is consistent with the cross-sectional curve of the male terminal shell (18).

Citation Information

Patent Citations

  • Alternating current charging seat

    CN113437557A