Quick-install insulation device

Abstract

The present application relates to a quick-install insulation device, which belongs to the field of battery testing technology. The present application proposes a quick-install insulation device, comprising: a shell; a conductive connector, which is arranged inside the shell; a load cable, which extends into the shell and is conductively connected to the conductive connector; a wiring connector, which extends into the shell; and a clamping mechanism, which is used to clamp the wiring connector to the conductive connector, so as to achieve conductive connection between the load cable and the wiring connector through the conductive connector. The quick-install insulation device can improve the safety and stability of the battery stack testing process.

Description

Technical Field

[0001] The present application relates to the technical field of battery testing, and in particular to a quick-install insulation device. Background Art

[0002] A fuel cell stack is a battery group composed of multiple fuel cells to obtain a higher output voltage and output power. During the manufacturing process of fuel cells, it is necessary to connect the fuel cell stack to a test power source through a load cable to conduct a power-on test on the fuel cell stack to evaluate whether the fuel cell stack meets the design requirements.

[0003] The traditional battery stack wiring method usually directly connects the load cable to the wiring conductive parts of the battery stack. However, after long-term use, not only will the connection be seriously heated, but the exposed load cable and wiring conductive parts will be electrically connected, which poses certain safety hazards. In addition, if the load cable is subjected to external force during the test, it may shake, affecting the safety and stability of the test. Utility Model Content

[0004] To this end, the present application proposes a quick-install insulation device that can improve the safety and stability of the battery stack testing process.

[0005] The quick-install insulation device of some embodiments of the present application includes: a shell; a conductive connector, which is arranged inside the shell; a load cable, which extends into the interior of the shell and is conductively connected to the conductive connector; a wiring connector, which extends into the interior of the shell; and a clamping mechanism, which is used to clamp the wiring connector to the conductive connector to achieve conductive connection between the load cable and the wiring connector through the conductive connector.

[0006] According to some embodiments of the present application, a welding connector is provided at the end of the load cable, and the welding connector is welded to the conductive connector.

[0007] According to some embodiments of the present application, the wiring connector is in a thin sheet structure, and the wiring connector is connected to the conductive connector along a thickness direction thereof.

[0008] According to some embodiments of the present application, the clamping mechanism includes: a clamping member, which is arranged inside the shell; and a lifting drive assembly, which is used to drive the clamping member to approach the wiring connector to press the wiring connector against the conductive connector.

[0009] According to some embodiments of the present application, the lifting drive assembly includes: a lifting member connected to the clamping member; and a handheld member disposed outside the shell and used to drive the lifting member to rise and fall, so as to drive the clamping member to move through the lifting member.

[0010] According to some embodiments of the present application, the clamping mechanism further includes: an elastic member elastically connected between the clamping member and the shell along a moving direction of the lifting member.

[0011] According to some embodiments of the present application, a first positioning portion is provided on the side of the wiring connector facing the conductive connector, and a second positioning portion is provided on the side of the conductive connector facing the wiring connector. The first positioning portion cooperates with the second positioning portion to guide the conductive connector and the wiring connector to fit together at a preset position.

[0012] According to some embodiments of the present application, the quick-install insulation device further includes: a positioning pin inserted into the shell, the positioning pin sequentially passing through the conductive connector and the wiring connector to fix the relative positions of the conductive connector and the wiring connector.

[0013] According to some embodiments of the present application, the load cable extends into the housing along a first direction, and the wiring connector extends into the housing along a second direction, and the first direction and the second direction are arranged perpendicular to each other.

[0014] According to some embodiments of the present application, the shell includes an insulating layer.

[0015] Compared with the prior art, this solution has the following beneficial effects:

[0016] The conductive connector is arranged inside the shell, and the load cable and the wiring connector are both extended into the shell, so as to be conductively connected inside the shell through the conductive connector, the wiring connector is conductively connected to the battery stack, and the load cable is conductively connected to the test power supply, so as to simply and reliably conductively connect the battery stack to the test power supply. During the battery stack power-on test, on the one hand, due to the internal conductive connection between the load cable and the wiring connector shell, the possibility of accidents caused by contact between the connection and foreign objects can be reduced, and it has higher safety; on the other hand, the load cable and the wiring connector are all inserted into the shell with the conductive connector, which can reduce the possibility of shaking and falling off, and has higher stability.

[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of a state in which a pressing member in a quick-install insulation device provided in an embodiment of the present application is in a pressing position;

[0020] Figure 2 A schematic diagram of a state in which a pressing member in a quick-install insulation device provided in an embodiment of the present application is in a non-pressing position;

[0021] Figure 3 A schematic diagram of the internal structure of a quick-install insulation device provided in an embodiment of the present application;

[0022] Figure 4 for Figure 3 A partial enlarged view of point A in the middle.

[0023] Icons: 100-quick-install insulating device; 110-housing; 111-first opening; 112-second opening; 114-first abutting surface; 120-conductive connector; 121-first connecting block; 122-second connecting block; 1221-conductive plate; 1222-first through hole; 123-threaded member; 130-load cable; 131-welding connector; 132-cable body; 140-wiring connector; 141-first side; 142-second side; 143-second through hole; 150-clamping mechanism; 151-lifting drive assembly; 1511-handpiece; 1512-lifting rod; 1513-sleeve; 152-clamping member; 1521-clamping surface; 1522-third through hole; 1524-second abutting surface; 153-elastic member; 154-connecting rod mechanism; 160-locating pin. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0026] like Figure 1 , Figure 2 and Figure 3As shown, the quick-install insulation device 100 of the embodiment of the present application includes a housing 110, a conductive connector 120, a load cable 130, a wiring connector 140 and a pressing mechanism 150. The conductive connector 120 is arranged inside the housing 110, the load cable 130 extends into the housing 110 and is conductively connected to the conductive connector 120, the wiring connector 140 extends into the housing 110, and the pressing mechanism 150 is used to press the wiring connector 140 against the conductive connector 120, so as to realize conductive connection between the load cable 130 and the wiring connector 140 through the conductive connector 120.

[0027] It is understandable that the load cable 130 is connected to the positive or negative electrode of the external test power supply; the wiring connector 140 is connected to the output port of the test stack. The wiring connector 140 can be made of copper or other metal materials with good conductivity; the conductive connector 120 can be made of copper or other metal materials with good conductivity.

[0028] The conductive connector 120 is disposed inside the housing 110, and the load cable 130 and the wiring connector 140 are both extended into the housing 110, so as to be conductively connected through the conductive connector 120 inside the housing 110, the wiring connector 140 is conductively connected to the battery stack, and the load cable 130 is conductively connected to the test power supply, thereby simply and reliably conductively connecting the battery stack to the test power supply. During the battery stack power-on test, on the one hand, since the load cable 130 and the wiring connector 140 are conductively connected inside the housing 110, the possibility of accidents caused by contact with foreign objects at the connection point can be reduced, and it has higher safety; on the other hand, the load cable 130 and the wiring connector 140 are all inserted into the housing 110 with the conductive connector 120, which can reduce the possibility of shaking and falling off, and has higher stability.

[0029] In some embodiments of the present application, the load cable 130 extends into the housing 110 along a first direction Z, and the wiring connector 140 extends into the housing 110 along a second direction X, and the first direction Z and the second direction X are perpendicular to each other.

[0030] That is to say, the wiring connector 140 and the load cable 130 are in a vertical relationship relative to each other, and the load cable 130 will not interfere with the position of the battery stack, providing sufficient installation space for the load cable 130, so that the load cable 130 can be easily and firmly assembled with the conductive connector 120.

[0031] Specifically, the housing 110 includes a first opening 111 and a second opening 112. The load cable 130 extends from the first opening 111 into the housing 110 to be conductively connected to the conductive connector 120. The wiring connector 140 extends from the second opening 112 into the housing 110 to be conductively connected to the conductive connector 120. The opening directions of the first opening 111 and the second opening 112 are perpendicular to each other.

[0032] As an example, the first direction Z is a vertical direction, and the second direction X is a horizontal direction, that is, the load cable 130 extends downward into the housing 110, and the wiring connector 140 extends horizontally into the housing 110. In other embodiments, the first direction Z and the second direction X may also be arranged obliquely; or, they may also be two mutually perpendicular directions in other directions.

[0033] In some embodiments of the present application, the housing 110 includes an insulating layer. This configuration can insulate and isolate the conductive connector 120, thereby reducing the risk of electric shock to workers.

[0034] As an example form, the shell 110 is made of an insulating material as a whole, such as a plastic material; as another example form, the outer surface of the shell 110 is wrapped with an insulating shell to form an insulating layer, such as a PPEK (polyetheretherketone) insulating exterior.

[0035] In some embodiments of the present application, the conductive connector 120 includes a first connecting block 121 and a second connecting block 122. The first connecting block 121 is provided with a mounting groove for accommodating the load cable 130. The end of the second connecting block 122 extends to form a conductive plate 1221 for laminating and fitting with the wiring connector 140. The first connecting block 121 and the second connecting block 122 are fixed to the housing 110 by screws 123 to fix the conductive connector 120 to the housing 110.

[0036] In some embodiments of the present application, a welding connector 131 is provided at the end of the load cable 130 , and the welding connector 131 is welded to the conductive connector 120 .

[0037] like Figure 3 As shown, specifically, the load cable 130 includes a welding connector 131 and a cable body 132. One end of the cable body 132 is connected to the test power supply, and the other end is installed with the welding connector 131. The welding connector 131 is inserted into the installation slot and welded in the installation slot. The welding connector 131 is a copper nose, and can also be other metal parts with good conductive properties.

[0038] Through this arrangement, the load cable 130 and the conductive connector 120 can be reliably conductively connected, and the two can be fixedly connected, thereby reducing the possibility of the load cable 130 falling off.

[0039] It can be understood that since the outer surface and bottom surface of the welding connector 131 are both in contact with the groove wall of the installation groove, the flow area is significantly increased compared to the method in which the welding connector 131 is only in contact with the wiring connector 140 through the bottom surface, thereby reducing the heat generation.

[0040] In some embodiments of the present application, the wiring connector 140 is in a thin sheet structure, and the wiring connector 140 is connected to the conductive connector 120 along the thickness direction thereof.

[0041] This arrangement can increase the flow area of ​​the wiring connector 140 and the conductive connector 120 and reduce the degree of heat generation.

[0042] like Figure 4 As shown, specifically, the thickness direction of the wiring connector 140 extends along the first direction Z, and the thickness direction of the conductive plate 1221 also extends along the first direction Z. The two sides of the wiring connector 140 along the first direction Z are respectively a first side 141 and a second side 142. The first side 141 is used to be fitted with the conductive plate 1221, and the second side 142 is used to cooperate with the clamping mechanism 150. Under the action of the clamping mechanism 150, the first side 141 is tightly fitted with the conductive plate 1221.

[0043] like Figure 1 and Figure 2 As shown, in some embodiments of the present application, the clamping mechanism 150 includes a lifting drive assembly 151 and a clamping member 152. The clamping member 152 is disposed inside the shell 110. The lifting drive assembly 151 is used to drive the clamping member 152 to approach the wiring connector 140 to press the wiring connector 140 against the conductive connector 120.

[0044] Under the action of the lifting drive assembly 151, the pressing member 152 switches between a pressing position and an unpressed position; when the pressing member 152 is in the pressing position, the pressing surface 1521 of the pressing member 152 is arranged in contact with the second side 142 of the wiring connector 140; when the pressing member 152 is in the unpressed position, there is a gap between the pressing member 152 and the wiring connector 140.

[0045] By pressing the wiring connector 140 against the conductive connector 120 through the pressing piece 152, the conductive connector 120 and the wiring connector 140 can be reliably fully fitted together to achieve a conductive connection; when the pressing piece 152 releases the wiring connector 140, it is convenient to replace the wiring connector 140 and the battery stack.

[0046] like Figure 3 and Figure 4As shown, in some embodiments of the present application, the lifting drive assembly 151 includes a handpiece 1511 and a lifting piece, the lifting piece is connected to the clamping piece 152, the handpiece 1511 is arranged on the outside of the shell 110, and is used to drive the lifting piece to rise and fall, so as to drive the clamping piece 152 to move through the lifting piece.

[0047] As an example form, the lifting member includes a lifting rod 1512 and a sleeve 1513. The length direction of the sleeve 1513 extends along the first direction Z. One end of the sleeve 1513 extends into the shell 110, and the other end is connected to the handpiece 1511 through a connecting rod mechanism 154. The lifting rod 1512 is inserted into the sleeve 1513 and fixedly connected to the sleeve 1513. The handpiece 1511 drives the sleeve 1513 to move along the first direction Z through the connecting rod mechanism 154, and the sleeve 1513 drives the lifting rod 1512 to move synchronously. The end of the lifting rod 1512 drives the clamping member 152 to move synchronously.

[0048] In other embodiments, other linear drive mechanisms can also be used to drive the clamping member 152 along the first direction Z to approach or move away from the conductive plate 1221 of the conductive connector 120. For example, the clamping member 152 can be raised or lowered by a screw nut mechanism. For another example, the clamping member 152 can be raised or lowered by a linear cylinder.

[0049] In some embodiments of the present application, a first positioning portion is provided on the side of the wiring connector 140 facing the conductive connector 120, and a second positioning portion is provided on the side of the conductive connector 120 facing the wiring connector 140. The first positioning portion cooperates with the second positioning portion to guide the clamping member 152 to fit the conductive connector 120 at a preset position.

[0050] As an example form, the first side 141 of the wiring connector 140 has a recessed portion, and the corresponding position of the conductive plate 1221 has a protruding portion, the recessed portion serves as a first positioning portion, and the protruding portion serves as a second positioning portion, the protruding portion is inserted into the recessed portion, the conductive connector 120 and the wiring connector 140 fit together at a preset position and the relative positions of the two are fixed; alternatively, the conductive plate 1221 is provided with a first through hole 1222, and the wiring connector 140 is provided with a second through hole 143, and a positioning pin 160 is used to pass through the first through hole 1222 and the second through hole 143 to fix the relative positions of the conductive connector 120 and the wiring connector 140.

[0051] This arrangement ensures that the wiring connector 140 is fixed to the conductive connector 120, thereby improving the reliability of the test process.

[0052] like Figure 4As shown, further, the quick-install insulation device 100 also includes a positioning pin 160 , which is inserted into the housing 110 and passes through the conductive connector 120 and the wiring connector 140 in sequence to fix the relative positions of the conductive connector 120 and the wiring connector 140 .

[0053] The conductive plate 1221 is provided with a first through hole 1222, the wiring connector 140 is provided with a second through hole 143, the positioning pin 160 passes through the first through hole 1222 and the second through hole 143, one end of which is fixed to the housing 110 and the other end protrudes from the wiring connector 140, the clamping member 152 is provided with a third through hole 1522 extending along the first direction Z, and the end of the positioning pin 160 is inserted into the third through hole 1522. While fixing the relative positions of the housing 110, the conductive connector 120 and the wiring connector 140, the end of the positioning pin 160 can also be avoided and the clamping member 152 is guided to be pressed against a preset position of the wiring connector 140.

[0054] like Figure 4 As shown, in some embodiments of the present application, the clamping mechanism 150 further includes an elastic member 153 , which is elastically connected between the clamping member 152 and the housing 110 along the moving direction of the lifting member (ie, the first direction Z).

[0055] As an example, the inner surface of the housing 110 has a first abutting surface 114, the side of the pressing member 152 facing away from the pressing surface 1521 has a second abutting surface 1524, and the elastic member 153 is elastically connected between the first abutting surface 114 and the second abutting surface 1524 along the first direction Z. The elastic member 153 elastically pulls the pressing member 152 and the housing 110 along the first direction Z, thereby improving the position accuracy and stability of the pressing member 152 pressing on the wiring connector 140, and can further reduce the possibility of the pressing member 152 falling off.

[0056] The number of elastic members 153 may be more than three, and a plurality of elastic members 153 may be arranged at intervals around the lifting member; the number of elastic members 153 may also be two, and the two elastic members 153 may be respectively located on both sides of the lifting member; the number of elastic members 153 may also be one, which is sleeved on the outside of the lifting member; the elastic member 153 is usually a mechanical straight spring; it may also be a gas spring.

[0057] The working principle of the quick-install insulation device 100 of the embodiment of the present application is as follows:

[0058] The load cable 130 is connected to the test power supply, and the wiring connector 140 is connected to the battery stack;

[0059] The load cable 130 extends into the housing 110 from the first opening 111 and is welded to the conductive connector 120 via the welding connector 131;

[0060] The wiring connector 140 extends from the second opening 112 into the housing 110 and is located between the conductive connector 120 and the pressing member 152 along the first direction Z;

[0061] The lifting member is driven to move along the first direction Z by the hand piece 1511, thereby driving the pressing member 152 to approach the wiring connector 140 until the wiring connector 140 is pressed against the conductive connector 120, and then switching from the unpressed position to the pressed position, thereby achieving conductive connection between the wiring connector 140 and the conductive connector 120.

[0062] Use a quick-install insulating device 100 to connect the positive electrode of the test power supply to the positive electrode of the output end of the battery stack, and use another quick-install insulating device 100 to connect the negative electrode of the test power supply to the negative electrode of the output end of the battery stack. The test power supply is powered on to test the battery stack.

[0063] The quick-install insulation device 100 of the embodiment of the present application has a simple structure and a low price, can fix the load cable 130, reduce the heat generation at the conductive connection, and uses insulating materials as the exterior, so it has good safety and stability.

[0064] It should be noted that, in the absence of conflict, the features in the embodiments of this application may be combined with each other.

[0065] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A quick-install insulation device (100), characterized in that: include: A housing (110); A conductive connecting member (120) is arranged inside the housing (110); A load cable (130) extends into the interior of the housing (110) and is conductively connected to the conductive connecting member (120); A wiring connector (140) extending into the interior of the housing (110); The pressing mechanism (150) is used to press the wiring connector (140) onto the conductive connector (120) to achieve conductive connection between the load cable (130) and the wiring connector (140) via the conductive connector (120).

2. The quick-install insulation device (100) according to claim 1, characterized in that: A welding connector (131) is provided at the end of the load cable (130), and the welding connector (131) is welded to the conductive connector (120).

3. The quick-install insulation device (100) according to claim 1, characterized in that: The wiring connector (140) is in a thin sheet structure, and the wiring connector (140) is connected to the conductive connector (120) along its thickness direction.

4. The quick-install insulation device (100) according to claim 1, characterized in that: The pressing mechanism (150) comprises: A pressing member (152) is arranged inside the housing (110); The lifting drive assembly (151) is used to drive the pressing member (152) to approach the wiring connection member (140) so as to press the wiring connection member (140) against the conductive connection member (120).

5. The quick-install insulation device (100) according to claim 4, characterized in that: The lifting drive assembly (151) comprises: A lifting member connected to the pressing member (152); The hand piece (1511) is arranged outside the shell (110) and is used to drive the lifting piece to move up and down, so as to drive the pressing piece (152) to move through the lifting piece.

6. The quick-install insulation device (100) according to claim 5, characterized in that: The pressing mechanism (150) further comprises: An elastic member (153) is elastically connected between the pressing member (152) and the housing (110) along the moving direction of the lifting member.

7. The quick-install insulation device (100) according to claim 4, characterized in that: A first positioning portion is provided on a side of the wiring connector (140) facing the conductive connector (120), and a second positioning portion is provided on a side of the conductive connector (120) facing the wiring connector (140). The first positioning portion cooperates with the second positioning portion to guide the conductive connector (120) and the wiring connector (140) to fit together at a preset position.

8. The quick-install insulation device (100) according to claim 4, characterized in that: The quick-install insulation device (100) further comprises: A positioning pin (160) is inserted into the housing (110), and the positioning pin (160) sequentially penetrates the conductive connector (120) and the wiring connector (140) to fix the relative position of the conductive connector (120) and the wiring connector (140).

9. The quick-install insulation device (100) according to claim 1, characterized in that: The load cable (130) extends into the housing along a first direction, and the wiring connector (140) extends into the housing along a second direction, wherein the first direction and the second direction are arranged perpendicular to each other.

10. The quick-install insulation device (100) according to claim 1, characterized in that: The housing (110) comprises an insulating layer.

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