Series connection structure of C-type busbar
By designing conductive connectors and connecting clamps, the problem of unstable C-type busbar connections was solved, achieving good power transmission and stable connection. It also features current monitoring and temperature warning functions, improving the safety and intelligence of the electrical system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO HENGHUA COMPUTER-ROOM EQUIP & PROJECT CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-05-19
AI Technical Summary
In the existing technology, the connection method of C-type busbar has problems such as difficulty in alignment, small contact area, and deformation, resulting in poor power transmission effect and unstable connection.
The design employs conductive connectors and connecting clamps to achieve a stable series connection of C-type busbars through the matching of plug slots and plug parts, increasing the contact area, and ensuring stability and accuracy through the cooperation of positioning slots and connecting clamps.
It achieves good energization effect of C-type busbar, reduces contact resistance, improves connection stability and reliability, and has current monitoring and temperature monitoring functions, enhancing the safety and intelligence level of electrical system.
Smart Images
Figure CN224264371U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of busbar connection, and particularly relates to a series connection structure of a C-type busbar. Background Technology
[0002] Busbars, also known as busbars, are rectangular cross-section metal strip conductors used as the main conductive channels. They have good conductivity and high mechanical strength and are widely used in power systems, electrical equipment, and power distribution facilities in various industrial and mining enterprises. As a key component for collecting and distributing electrical energy, the stability and reliability of busbars are directly related to the safe operation of the entire electrical system.
[0003] Currently, busbar connections commonly employ a drilling and bolting method, where holes are drilled in the busbar and bolts are used for fixing. This traditional connection method can meet the basic requirements of busbar connections to a certain extent. However, for C-type busbars, applying the drilling and bolting method will present many problems.
[0004] First, because the C-type busbars need to be stacked at the ends and are difficult to bend, it is difficult to align two connected C-type busbars in a straight line. This makes it difficult for the connectors in the busbar trunking to change position smoothly, or for the wire connectors on the connectors to make full contact with the C-type busbars after changing position. Second, when the concave sides of the two C-type busbars face the same side, the contact area at the connection point of the two C-type busbars is small, which cannot guarantee a good power transmission effect. In addition, there is a gap at the connection point, which can cause the C-type busbars to deform under the action of bolts. In addition, when the concave sides of the two C-type busbars face opposite directions, when the two C-type busbars are set back to back, one of the C-type busbars will not be able to connect to the wire connectors of the connectors, thus failing to meet the functional requirements of the C-type busbars. Utility Model Content
[0005] This utility model aims to at least partially solve one of the technical problems in the related art.
[0006] Therefore, one aspect of this application proposes a series connection structure for a C-type busbar, comprising:
[0007] Conductive busbars are installed on the inner wall of busbar trunking. The conductive busbars are recessed towards the inner wall of the busbar trunking to form a plug groove, so that the cross-section of the conductive busbars is C-shaped.
[0008] The conductive connector has a T-shaped cross-section because it protrudes towards the inner wall of the busbar trough to form a plug-in part.
[0009] Connecting clamps are used to encircle and connect conductive connectors to conductive busbars;
[0010] There are two conductive busbars, namely the first busbar and the second busbar, which are arranged sequentially along the same straight line.
[0011] The plug portion at one end of the conductive connector is inserted into the plug slot at one end of the first busbar, and the conductive connector is connected to the first busbar through a connecting clamp; the plug portion at the other end of the conductive connector is inserted into the plug slot at one end of the second busbar, and the conductive connector is connected to the second busbar through a connecting clamp.
[0012] In the technical solution, the structural design achieves a stable series connection of two C-type busbars through the insertion of conductive connectors and the fixing of connecting clamps. This ensures that the two C-type busbars connected in series are aligned on the same straight line, and that the concave side faces the same side, thus ensuring good power transmission. This solves the problem that the traditional drilling and bolt connection method is not suitable for C-type busbars.
[0013] In some embodiments, the plug portion matches the plug slot so that the inner bottom surface and two inner side surfaces of the plug slot are attached to the surface of the corresponding side of the plug portion.
[0014] The conductive connectors on both sides of the plug are attached to the conductive busbars on both sides of the plug slot.
[0015] In this technical solution, the structural design maximizes the contact area between the conductive connector and the conductive busbar, reduces contact resistance, thereby ensuring good power transmission and reducing power loss and safety hazards caused by poor contact.
[0016] In some embodiments, the conductive busbar and the conductive connector are both arranged along a first direction parallel to the inner wall surface of the busbar groove, so that the conductive busbar and the conductive connector are both recessed or protruding in a second direction perpendicular to the inner wall surface of the busbar groove.
[0017] Positioning grooves are provided at both ends of the conductive busbar and both ends of the conductive connector in a third direction that is parallel to the inner wall surface of the busbar trough and perpendicular to the first direction.
[0018] In the second direction, the positioning grooves of the conductive busbar are aligned with the positioning grooves on the corresponding conductive connectors;
[0019] On the third side, both ends of the connecting clamp are positioned in the positioning grooves of the corresponding conductive busbar and conductive connector.
[0020] In the technical solution, the structural design places the two ends of the connecting clamp in the corresponding positioning groove. This structural design helps to improve the stability and accuracy of the entire connection structure, ensures the correct installation and positioning of the conductive busbar and conductive connector in the busbar groove, prevents misalignment or loosening during installation, further enhances the reliability of the connection, and ensures the quality of the electrical connection.
[0021] In some embodiments, the connecting clamp includes two clamp bodies; the clamp bodies are C-shaped and the two clamp bodies are arranged opposite each other such that one clamp body is recessed away from the other clamp body;
[0022] Both ends of the hoop are provided with connecting parts; when two hoops are joined together, the connecting parts are joined together in pairs; the two connecting parts are detachably connected by limiting members.
[0023] In the technical solution, the structural design makes the installation and disassembly of the connecting clamps more convenient and quick, facilitates on-site construction and maintenance, improves the versatility and flexibility of the connection structure, helps to improve work efficiency and reduce construction costs.
[0024] In some embodiments, the cross-section of the two connecting parts is T-shaped, and a limiting groove is provided on one side of the limiting member to cooperate with it. After the two connecting parts are connected, they are inserted into the limiting groove.
[0025] In the technical solution, the structural design, through the cooperation of the T-shaped structure and the limiting groove, can effectively prevent the connection from loosening or detaching after docking, ensuring the firmness and stability of the connection, while improving the convenience of disassembly.
[0026] In some embodiments, an iron core is provided in the hoop; two connecting parts are mated together so that the ends of the two iron cores fit together; the two iron cores are arranged around the periphery of the connection between the conductive connector and the conductive busbar;
[0027] At least one iron core is provided with a winding, and both ends of the winding are connected to current measuring terminals.
[0028] In this technical solution, the structure is designed with an iron core inside the hoop. When the two iron cores are joined together at the connection point, their ends are close together and they are arranged around the periphery of the connection between the conductive connector and the conductive busbar. At the same time, windings are set on the iron cores and connected to current measuring terminals. In this way, the iron cores and windings can form a current transformer to realize real-time monitoring of the current at the busbar connection point, timely grasp the operating status of the busbar, provide data support for the safe operation of the electrical system, help to detect potential faults in advance, prevent accidents, and improve the intelligence level and operational safety of the busbar system.
[0029] In some embodiments, a thermistor is provided on the hoop; the thermistor extends out of the hoop and is attached to a conductive connector or conductive busbar; the thermistor is connected to two temperature measuring terminals respectively through two wires.
[0030] In this technical solution, the structure is designed with a thermistor on the hoop. The thermistor extends out of the hoop and is attached to the conductive connector or conductive busbar. It is connected to the temperature measuring terminal through a wire, which can monitor the temperature change at the busbar connection in real time. It can promptly detect abnormal temperature rises caused by poor connection, overload, etc., and provide temperature early warning for the safe operation of the electrical system. It can effectively prevent safety accidents such as busbar damage and fire caused by excessive temperature, and further improve the reliability and safety of the busbar system.
[0031] In some of these embodiments, the thermistor is threaded through an iron core.
[0032] In this technical solution, the structural design allows the thermistor to fully contact the heat-conducting iron core and fully sense the temperature at various points through the iron core, thereby improving the accuracy and sensitivity of temperature monitoring. This provides a more timely and accurate reflection of the true temperature conditions at the busbar connection, enhances the effectiveness of temperature monitoring, and provides more reliable data support for the safe operation of the electrical system.
[0033] In some embodiments, the iron core is surrounded by an epoxy resin insulation layer, and the insulation layer is covered with a PVC protective layer.
[0034] In this technical solution, the structural design effectively prevents the iron core from coming into contact with external conductive components and causing a short circuit. It also serves to prevent moisture and dust, extending the service life of the iron core. On the other hand, it further improves the mechanical strength and corrosion resistance of the connection structure, enabling it to better adapt to complex industrial environments, enhancing the reliability and stability of the entire connection structure, and reducing maintenance costs.
[0035] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0036] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0037] Figure 1 This is a schematic diagram of the series connection structure of the C-type busbar according to an embodiment of this application;
[0038] Figure 2 This is a schematic diagram of the conductive busbar structure of the C-type busbar series connection structure according to an embodiment of this application;
[0039] Figure 3 This is a schematic diagram of the conductive connector of the C-type busbar series connection structure according to an embodiment of this application;
[0040] Figure 4 This is a schematic diagram of the connecting clamp of the C-type busbar series connection structure according to an embodiment of this application;
[0041] Figure 5 This is a schematic diagram of the limiting member of the C-type busbar series connection structure according to an embodiment of this application;
[0042] Figure 6 This is a perspective view of the C-type busbar series connection structure according to an embodiment of this application, after the connecting clamp has been concealed and the limiting member is hidden.
[0043] In the picture:
[0044] 100. Conductive busbar; 101. Insertion slot; 200. Conductive connector; 201. Insertion part;
[0045] 300. Connecting clamp; 301. Clamp body; 302. Connecting part; 303. Limiting component; 304. Limiting groove; 305. Iron core; 306. Current measuring terminal; 307. Thermistor; 308. Temperature measuring terminal; 309. Insulation layer; 310. Protective layer; 311. Winding;
[0046] 400, busbar trunking; 500, positioning groove. Detailed Implementation
[0047] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0048] In the description of this utility model, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0049] The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature.
[0050] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0051] It should be noted that C-shaped conductive busbars are typically installed in busbar troughs and fixed to the inner wall of the trough by a supporting structure. The busbar trough usually has an opening at the bottom, extending along its length, and the width of the opening is typically smaller than the width of the internal space of the busbar trough. The plug-in box has a rotatable plug-in that extends into the busbar trough through the opening. A conductive connector is provided on the plug-in, allowing it to rotate and insert into the C-shaped conductive busbar. The end face and upper and lower surfaces of the conductive connector are in contact with the surface of the C-shaped conductive busbar, ensuring full contact and conductivity between the C-shaped conductive busbar and the conductive connector, thus achieving electrical connection between the C-shaped conductive busbar and the plug-in box. C-shaped conductive busbars are typically installed on both sides of the busbar trough, with the recessed plug-in slots on one side facing inwards towards the inside of the busbar trough, so that the plug-in slots on both sides of the conductive busbar are positioned opposite each other.
[0052] In existing technologies, busbar connections often employ a drilling and bolt method. This involves drilling holes in the busbars, fitting the ends of the two busbars to be connected together, and then inserting bolts through the aligned holes to secure them, thus connecting the ends of the two busbars in series. Traditional busbars are plate-shaped and easily bent. By stacking the ends of the busbars, the main body can be bent to connect with the ends, ensuring that the two busbars connected in series are aligned in a straight line.
[0053] However, when using the drilling and bolting method on C-type busbars, the vertically set edges on both sides of the C-type busbar act like reinforcing ribs, making it difficult to bend. When two C-type busbars are overlapped at their ends, they are misaligned, making it difficult to align the two connected C-type busbars in a straight line. This results in different distances between the two connected C-type busbars and the inner wall of the busbar trough on the same side. If the conductive connector of the plug can be fully inserted into the first C-type busbar, perpendicular to the first C-type busbar, and its end face and upper and lower side surfaces can fully conform to the surface of the first C-type busbar, the solution is to... If the connector is moved along the length of the busbar trunking so that the conductive connector aligns with the adjacent second C-type busbar, the distance between the second C-type busbar and the connector changes. As a result, although the conductive connector is inserted vertically into the second C-type busbar, its end face cannot contact the surface of the second C-type busbar, and the other two sides only partially contact the surface of the second C-type busbar. Alternatively, the conductive connector can be inserted at an angle into the second C-type busbar so that only one side of its end face touches the surface of the second C-type busbar, and the other two sides only partially contact the surface of the second C-type busbar.
[0054] Secondly, the recessed side of the two C-type busbars connected in series needs to face the inside of the busbar trunking, so that the back plate of the end of the first C-type busbar is stacked on the vertical edges of the two ends of the second C-type busbar. This results in a small contact area at the connection of the two C-type busbars, which cannot guarantee a good power supply effect. Furthermore, there is a gap between the back plates of the two C-type busbars at the connection, which can easily cause the C-type busbars to deform under the pressure generated by the bolt fixing.
[0055] In addition, if the two C-type busbars are arranged with their recessed sides facing opposite directions, so that the two C-type busbars are back to back, one of the C-type busbars will not be able to be plugged into the wire connector of the plug, thus failing to meet the functional requirements of the C-type busbar.
[0056] like Figures 1 to 6 As shown in an illustrative embodiment of the series connection structure of the C-type busbar of this utility model, the series connection structure of the C-type busbar includes a conductive busbar 100, a conductive connector 200, and a connecting clamp 300.
[0057] The conductive busbar 100 is disposed on the inner wall of the busbar trough 400. The conductive busbar 100 forms a plug groove 101 by being recessed towards the inner wall of the busbar trough 400, so that the cross-section of the conductive busbar is C-shaped.
[0058] The conductive connector 200 is typically made of a conductive material. The conductive connector 200 forms a plug portion 201 by protruding towards the inner wall of the busbar 400, so that the cross-section of the conductive connector 200 is T-shaped.
[0059] There are two conductive busbars 100, namely a first busbar and a second busbar arranged sequentially along the same straight line. One end of a conductive connector 200 has a plug-in portion 201 inserted into a plug-in slot 101 at one end of the first busbar, and the conductive connector 200 is connected to the first busbar via a connecting clamp 300. The other end of the conductive connector 200 has a plug-in portion 201 inserted into a plug-in slot 101 at one end of the second busbar, and the conductive connector 200 is connected to the second busbar via a connecting clamp 300.
[0060] This structural design connects the first and second busbars in series via conductive connectors 200. The plug-in portion 201 is located on one side of the conductive connector 200, with both ends inserted into the plug-in slots 101 of the first and second busbars respectively. This ensures that both conductive busbars 100 are located on the same side of the conductive connector 200. Through cooperation with the same plug-in portion 201, the two conductive busbars 100 are aligned. When the two conductive busbars 100 are placed in the busbar trough 400, the distance between the conductive busbars 100 and the inner wall of the busbar trough 400 is kept constant along the length of the busbar trough 400, allowing the conductive connector of the plug-in to fully engage with either conductive busbar 100 for good electrical conduction. Furthermore, through the plug-in connection, both the first and second busbars can engage with the conductive connector 200 over a large area, increasing the electrical conduction area and ensuring good power transmission. In addition, after the conductive busbar 100 is inserted into the conductive connector 200, it is further tightened with the connecting clamp 300 to ensure that the two conductive busbars 100 are stably connected in series through the conductive connector 200.
[0061] In some embodiments, the plug portion 201 matches the plug slot 101, such that the cross-section of the plug portion 201 has the same cross-sectional dimensions as the plug slot 101. After the plug portion 201 is inserted into the plug slot 101, its three side surfaces can respectively adhere to the inner bottom surface and two inner side surfaces of the plug slot 101. Furthermore, the conductive connectors on both sides of the plug portion 201 are respectively attached to the conductive busbars 100 on both sides of the plug slot 101. This structural design ensures that the entire surface of the conductive connector 200 on the side closest to the conductive busbar 100 is in contact with the conductive busbar 100, maximizing the contact area between the conductive connector 200 and the conductive busbar 100, reducing contact resistance, thereby ensuring good power transmission and reducing power loss and safety hazards caused by poor contact.
[0062] In some embodiments, the conductive busbar 100 and the conductive connector 200 are both arranged along a first direction parallel to the inner wall surface of the busbar 400, so that the conductive busbar 100 and the conductive connector 200 are both recessed or protruding in a second direction perpendicular to the inner wall surface of the busbar 400.
[0063] Positioning grooves 500 are provided at both ends of the conductive busbar 100 and both ends of the conductive connector 200 in a third direction that is parallel to the inner wall surface of the busbar 400 and perpendicular to the first direction.
[0064] In the second direction, the positioning grooves 500 of the conductive busbar 100 are aligned with the positioning grooves 500 on the corresponding conductive connectors 200.
[0065] On the third side, both ends of the connecting clamp 300 are positioned in the positioning grooves 500 of the corresponding conductive busbar 100 and conductive connector 200.
[0066] This structural design ensures that both sides of the connecting clamp 300 are located in the positioning groove 500, allowing the conductive busbar 100 and the conductive connector 200 to be limited in the first direction by the same connecting clamp 300. This further improves the stability of the tight connection between the conductive busbar 100 and the conductive connector 200, and also allows the conductive connector 200 to be positioned and connected to the conductive busbar 100. This controls the length of the overlapping portion of the conductive connector 200 on the conductive busbar 100, improves installation accuracy, and ensures that the lengths of the overlapping portions of the two conductive busbars 100 on the same conductive connector 200 are the same, improving the consistency of electrical conductivity and ensuring the quality of the electrical connection.
[0067] In some embodiments, the connecting clamp 300 includes two clamp bodies 301. The clamp bodies 301 are C-shaped and the two clamp bodies 301 are arranged opposite each other, such that one clamp body 301 is recessed in a direction away from the other clamp body 301, and the two clamp bodies 301 are joined together to form a larger internal space.
[0068] Both ends of the hoop 301 are provided with connecting parts 302. When two hoops 301 are joined together, the connecting parts 302 are joined together in pairs. The two connecting parts 302 are detachably connected by limiting members 303, so that the two hoops 301 are connected at both ends respectively.
[0069] The structural design features a 300-separate connecting clamp, making installation and disassembly more convenient and quick, facilitating on-site construction and maintenance, improving the versatility and flexibility of the connection structure, and helping to increase work efficiency and reduce construction costs.
[0070] In some embodiments, at one end of the connecting clamp 300, after the two connecting parts 302 are joined, the cross-section of the combined structure is T-shaped. A limiting groove 304 is provided on one side of the limiting member 303, and the limiting groove 304 matches the T-shaped cross-section of the combined structure, making their external dimensions identical. After the two connecting parts 302 are joined, they are inserted into the limiting groove 304, so that the limiting groove 304 maintains the joining of the two connecting parts 302, thus fixing the two clamp bodies 301 at one end of the connecting clamp 300. Pulling the two connecting parts 302 out of the limiting groove 304 disconnects the two clamp bodies 301 at one end of the connecting clamp 300. This structural design, through the cooperation of the T-shaped structure and the limiting groove 304, effectively prevents the connecting parts 302 from loosening or detaching after joining, ensuring the firmness and stability of the connection, while also improving the convenience of disassembly.
[0071] In some embodiments, each clamp 301 is provided with an iron core 305. At one end of the clamp 300, the ends of the two iron cores 305 are brought together as the two connecting parts 302 are joined. At the other end of the clamp 300, the ends of the iron cores 305 are brought together in the same manner, so that the two ends of the two iron cores 305 are connected to each other. The combined structure of the two iron cores 305 is arranged around the periphery of the connection between the conductive connector 200 and the conductive busbar 100. At least one iron core 305 is provided with a winding 311, which is a coil wound on the iron core. Both ends of the winding are connected to current measuring terminals 306, and the two current measuring terminals 306 are connected to the positive and negative terminals of an ammeter through wires, respectively.
[0072] The structural design incorporates an iron core 305 within the hoop 301. When the two iron cores 305 are joined at the connection 302, their ends are pressed together, and they are arranged around the periphery of the connection between the conductive connector 200 and the conductive busbar 100. A winding is also installed on the iron core 305 and connected to a current-measuring terminal 306. This allows the iron core 305 and the winding to form a current transformer, enabling real-time monitoring of the current at the connection between the conductive busbar 100 and the conductive connector 200. This provides timely data support for the safe operation of the electrical system, helps to detect potential faults in advance, prevents accidents, and improves the intelligence level and operational safety of the busbar trunking 400 system.
[0073] In some embodiments, a thermistor 307 is provided on the hoop 301. The thermistor 307 extends out of the hoop 301 and is attached to the conductive connector 200 or the conductive busbar 100. The thermistor 307 is connected to two temperature measuring terminals 308 via two wires, and both temperature measuring terminals 308 are connected to a temperature detection device via wires. This structural design, with the thermistor 307 on the hoop 301, extending out of the hoop 301 and attached to the conductive connector 200 or the conductive busbar 100, and connected to the temperature measuring terminals 308 via wires, enables real-time monitoring of temperature changes at the busbar connection points. It can promptly detect abnormal temperature increases caused by poor connections, overloads, etc., providing temperature warnings for the safe operation of the electrical system, effectively preventing safety accidents such as busbar damage and fires caused by excessively high temperatures, and further improving the reliability and safety of the busbar trunking 400 system.
[0074] In some embodiments, the thermistor 307 passes through the iron core 305. This structural design allows the thermistor 307 to fully contact the thermally conductive iron core 305. Since the iron core 305 surrounds the connection between the conductive busbar 100 and the conductive connector 200, and the iron core 305 has strong thermal conductivity, the iron core 305 transfers temperature from all around to the thermistor 307. This ensures that the thermistor 307 can measure localized high temperatures at any point in the connection, improving the accuracy and sensitivity of temperature monitoring, reflecting the true temperature condition at the busbar connection more promptly and accurately, enhancing the effectiveness of temperature monitoring, and providing more reliable data support for the safe operation of the electrical system.
[0075] In some embodiments, the core 305 is surrounded by an epoxy resin insulating layer 309, and the insulating layer 309 is covered by a PVC protective layer 310. The end face of the core 305 is flush with the end faces of the insulating layer 309 and the protective layer 310, thus being exposed and abutting against the end face of the core 305 in another hoop 301. This structural design effectively prevents the core 305 from coming into contact with external conductive components and causing a short circuit, while also providing moisture and dust protection, extending the service life of the core 305. On the other hand, it further improves the mechanical strength and corrosion resistance of the connection structure, enabling it to better adapt to complex industrial environments, enhancing the reliability and stability of the entire connection structure, and reducing maintenance costs.
[0076] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.
[0077] The above embodiments are only used to illustrate the technical solution of this utility model and not to limit it; although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific implementation of this utility model or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solution of this utility model, and all such modifications and substitutions should be covered within the scope of the technical solution claimed by this utility model.
Claims
1. A series connection structure of C-type busbars, characterized by comprising: include: A conductive busbar is provided on the inner wall of a busbar trough; the conductive busbar is recessed towards the inner wall of the busbar trough to form a plug groove, so that the cross-section of the conductive busbar is C-shaped. A conductive connector, wherein the conductive connector protrudes towards the inner wall of the busbar groove to form a plug-in portion, so that the cross-section of the conductive connector is T-shaped; A connecting clamp is used to encircle and connect the conductive connector to the conductive busbar. The conductive busbars are two in number, namely a first busbar and a second busbar arranged sequentially along the same straight line. The plug portion at one end of the conductive connector is inserted into the plug slot at one end of the first busbar, and the conductive connector is connected to the first busbar via a connecting clamp; the plug portion at the other end of the conductive connector is inserted into the plug slot at one end of the second busbar, and the conductive connector is connected to the second busbar via a connecting clamp.
2. The series connection structure of the C-type busbar according to claim 1, wherein The plug portion matches the plug slot so that the inner bottom surface and two inner side surfaces of the plug slot are both attached to the surface of the corresponding side of the plug portion; The conductive connectors on both sides of the plug portion are respectively attached to the conductive busbars on both sides of the plug slot.
3. The series connection structure of the C-type busbar according to claim 1, wherein Both the conductive busbar and the conductive connector are arranged along a first direction parallel to the inner wall surface of the busbar groove, so that both the conductive busbar and the conductive connector are recessed or protruded in a second direction perpendicular to the inner wall surface of the busbar groove. On a third direction parallel to the inner wall surface of the busbar groove and perpendicular to the first direction, positioning grooves are provided at both ends of the conductive busbar and both ends of the conductive connector. In the second direction, the positioning grooves of the conductive busbar are aligned with the positioning grooves on the corresponding conductive connectors; In the third direction, both ends of the connecting clamp are positioned in the positioning grooves corresponding to the conductive busbar and the conductive connector.
4. The series connection structure of the C-type busbar according to claim 1, wherein The connecting clamp includes two clamp bodies; the clamp bodies are C-shaped and the two clamp bodies are arranged opposite each other, such that one clamp body is recessed away from the other clamp body; Both ends of the hoop are provided with connecting parts; when two hoops are joined together, the connecting parts are joined together in pairs; the two joined connecting parts are detachably connected by limiting members.
5. The series connection structure of C-shaped busbars according to claim 4, wherein The two connecting parts have T-shaped cross sections, and a limiting groove is provided on one side of the limiting member to match it. After the two connecting parts are connected, they are inserted into the limiting groove.
6. The series connection structure of the C-type busbar according to claim 4, wherein Each of the hoop bodies is provided with an iron core; the two connecting parts are joined together so that the ends of the two iron cores fit together; the two iron cores are arranged around the periphery of the connection between the conductive connector and the conductive busbar; At least one of the iron cores is provided with a winding, and both ends of the winding are connected to current measuring terminals.
7. The series connection structure of the C-type busbar according to claim 6, wherein A thermistor is provided on the hoop; the thermistor extends out of the hoop and is attached to the conductive connector or the conductive busbar; the thermistor is connected to two temperature measuring terminals respectively through two wires.
8. The series connection structure of the C-type busbar according to claim 7, wherein The thermistor is inserted through the iron core.
9. The series connection structure of the C-type busbar according to claim 6, wherein The iron core is coated with an insulating layer of epoxy resin, and the insulating layer is coated with a protective layer of PVC.