Wire harness connection structure and heater
By using protective components such as sleeves and adhesive layers at the wiring harness connection of the heater, the problems of easy breakage of the wiring harness connection and melting of the heat shrink tubing are solved, thus achieving stability and safety of the battery cell connection.
Patent Information
- Application Number
- CN202511050705.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-29
- Publication Date
- 2025-11-07
AI Technical Summary
The wiring harness connections of existing heaters are prone to breakage due to twisting, posing a safety hazard. Furthermore, the heat shrink tubing melts at high temperatures, contaminating the product and is difficult to repair.
The protective assembly uses a sleeve and an adhesive layer. The sleeve has a through hole along the axis, and the battery cell connection is located inside the through hole and fixed inside the sleeve by the adhesive layer. The sleeve is a rigid component that provides rigid support, and the adhesive layer is an insulating component that forms a seal.
It effectively prevents bending and deformation at the battery cell connection, ensures stable electrical connection, avoids melting and contamination of heat shrink tubing, and improves safety and reliability.
Smart Images
Figure CN120914530A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of heaters, in particular to a wire harness connection structure and a heater. BACKGROUND
[0002] The heater needs protection after welding. The glue is mixed according to a certain proportion, poured into the connection position, and then solidified to prevent short circuit caused by contact, so that the electrical performance is zero, the customer cannot use the product, and the machine is stopped to initiate a complaint. Moreover, the connection position is relatively fragile. When the heater is used, the wire will twist, and the folding and twisting will cause the connection position to break. The visual effect is not obvious, but it will cause overload during use and damage the customer's equipment, which has a very big safety hazard.
[0003] In the existing structure, the heat shrink tube is too thin to play a role in fixing and preventing bending. When the product is used, the temperature is too high to melt the heat shrink tube. After melting, it will be attached to the machine and difficult to remove. It will also have smoke particles coming out, polluting the product and difficult to repair.
[0004] Therefore, there is an urgent need for a wire harness connection structure and a heater to solve the above technical problems. SUMMARY
[0005] The purpose of the present application is to provide a wire harness connection structure and a heater, which can prevent the connection between the first and second electric cores from bending and deforming.
[0006] To achieve this purpose, the present application adopts the following technical solutions:
[0007] The wire harness connection structure comprises:
[0008] The first wire harness comprises a first electric core.
[0009] The second wire harness comprises a second electric core. One end of the first electric core is fixed to one end of the second electric core. The first electric core and the second electric core generate heat energy after being electrified.
[0010] The protection assembly comprises a sleeve and a glue layer. The sleeve has a through hole along its axis. The connection between the first electric core and the second electric core is located in the through hole of the sleeve. The glue is injected into the through hole to form the glue layer. The first electric core and the second electric core are fixed in the sleeve through the glue layer. The sleeve is a rigid member. At least one of the sleeve and the glue layer is an insulating member.
[0011] As a preferred technical solution of the above wire harness connection structure, the first electric core and the second electric core are welded and fixed.
[0012] As a preferred technical scheme of the wiring harness connection structure, the first wiring harness further comprises a first insulation layer, the first insulation layer is wrapped outside the first electric core, one end of the first electric core for connecting with the second electric core is exposed outside the first insulation layer, the sleeve is sleeved outside the first insulation layer and is in interference fit with the first insulation layer.
[0013] As a preferred technical scheme of the wiring harness connection structure, one end of the sleeve in the axial direction is fixed with the first insulation layer, the other end forms a flared opening, and the glue layer is injected into the sleeve from the flared opening.
[0014] As a preferred technical scheme of the wiring harness connection structure, the first wiring harness further comprises a first insulation layer, the first insulation layer is wrapped outside the first electric core, one end of the first electric core for connecting with the second electric core is exposed outside the first insulation layer, the sleeve is sleeved outside the first insulation layer, and the sleeve is in interference fit with the first insulation layer.
[0015] As a preferred technical scheme of the wiring harness connection structure, the inner side wall and / or the outer side wall of the sleeve is provided with a heat insulation layer.
[0016] As a preferred technical scheme of the wiring harness connection structure, the opening of the sleeve is provided with a guide surface, and the first electric core and / or the second electric core can enter the through hole along the guide surface on the corresponding side.
[0017] As a preferred technical scheme of the wiring harness connection structure, the outer side wall of the sleeve is provided with an anti-skid structure.
[0018] As a preferred technical scheme of the wiring harness connection structure, the second wiring harness further comprises a second insulation layer, the second insulation layer is wrapped outside the second electric core, one end of the second electric core for connecting with the first electric core is exposed outside the second insulation layer, the sleeve is sleeved outside the second insulation layer and is in interference fit with the second insulation layer.
[0019] A heater is also provided, comprising the wiring harness connection structure.
[0020] The present application has the following advantages:
[0021] The application provides a wiring harness connecting structure, which comprises a first wiring harness, a second wiring harness and a protection assembly. The first wiring harness comprises a first electric core; the second wiring harness comprises a second electric core, one end of the first electric core is fixed to one end of the second electric core, and the first electric core and the second electric core generate heat energy after being electrified; the protection assembly comprises a sleeve and a glue layer, the sleeve is provided with a through hole along an axis of the sleeve, the connection part of the first electric core and the second electric core is located in the through hole of the sleeve, the glue layer is formed by injecting glue into the through hole, the first electric core and the second electric core are fixed in the sleeve through the glue layer, the sleeve is a rigid member, and at least one of the sleeve and the glue layer is an insulating member.
[0022] In this way, the first wiring harness and the second wiring harness are electrically connected through the connection of the first electric core and the second electric core, one of the first electric core and the second electric core can be electrified, and the other can also be electrified, heat is generated in the process of electrification, the sleeve is arranged at the connection part of the first electric core and the second electric core, and the first electric core and the second electric core are fixed and sealed through the glue layer, the sleeve is a rigid member, and the connection part between the first electric core and the second electric core is not easy to be bent and deformed. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed in the description of the embodiments of the application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of the contents of the embodiments of the application and the drawings.
[0024] Figure 1 is a structure diagram of the wiring harness connecting structure provided by the embodiment of the application Figure One ;
[0025] Figure 2 is a structure diagram of the wiring harness connecting structure provided by the embodiment of the application Figure Two .
[0026] In the drawings:
[0027] 1, first wiring harness; 11, first electric core; 12, first insulating layer;
[0028] 21, second electric core;
[0029] 3, protection assembly; 31, sleeve; 32, glue layer. DETAILED DESCRIPTION
[0030] The application will be further described below in conjunction with the drawings and embodiments. It is to be understood that the specific embodiments described herein are intended to be illustrative only and not limiting of the scope of the application. In addition, it is to be understood that where the description above refers to embodiments, it is not necessary that all of the described embodiments actually be present in order to practice the application. Further, it is to be understood that the description in this summary is intended to highlight aspects of the application and is not intended to be exhaustive.
[0031] In the description of the present application, unless otherwise clearly specified and limited, the terms "connected", "connected with", "fixed", "fixed with" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0032] In the present application, unless otherwise clearly specified and limited, "on" or "under" of the first feature to the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "above" of the first feature to the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. "Below", "below" and "below" of the first feature to the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0033] In the description of the present embodiment, the terms "up", "down", "right", and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first", "second" are only used to distinguish in description and have no special meaning.
[0034] As Figure 1 and Figure 2As shown, the present application provides a wiring harness connection structure, comprising a first wiring harness 1, a second wiring harness and a protection assembly 3. Wherein the first wiring harness 1 comprises a first core 11; the second wiring harness comprises a second core 21, one end of the first core 11 is fixed with one end of the second core 21, and heat energy is generated after the first core 11 and the second core 21 are electrified; the protection assembly 3 comprises a sleeve 31 and a glue layer 32, the sleeve 31 is provided with a through hole along its own axis, the connection part of the first core 11 and the second core 21 is located in the through hole of the sleeve 31, the glue layer 32 is formed by injecting glue into the through hole, the first core 11 and the second core 21 are fixed in the sleeve 31 through the glue layer 32, the sleeve 31 is a rigid member, and at least one of the sleeve 31 and the glue layer 32 is an insulating member.
[0035] In this way, the first wiring harness 1 and the second wiring harness are connected through the connection of the first core 11 and the second core 21 to form an electrical connection, when the first core 11 and the second core 21 are connected, one of them is electrified, and the other can also be electrified, heat is generated during the electrification of the two, the sleeve 31 is sleeved on the connection part of the first core 11 and the second core 21, and is fixed with the first core 11 and the second core 21 and forms a seal through the setting of the glue layer 32, the sleeve 31 is a rigid member, so that the connection part between the first core 11 and the second core 21 is not easy to bend and deform.
[0036] It should be noted that the glue layer 32 is a high-temperature resistant material, which is a known technology in the art, and its specific composition will not be described here.
[0037] Optionally, the first core 11 and the second core 21 are welded and fixed.
[0038] In this way, through the welding and fixing, the reliability of the connection of the first core 11 and the second core 21 can be ensured.
[0039] Optionally, the first wiring harness 1 further comprises a first insulating layer 12, the first insulating layer 12 is wrapped outside the first core 11, and the end of the first core 11 for connecting with the second core 21 is exposed outside the first insulating layer 12, the sleeve 31 is sleeved outside the first insulating layer 12 and is in interference fit with the first insulating layer 12.
[0040] In this way, the first insulating layer 12 wraps and protects the first core 11, one end of the sleeve 31 is sleeved outside the first insulating layer 12 and is fixed with the first insulating layer 12 through interference fit, when injecting glue, one side of the sleeve 31 is sealed due to interference fit with the first insulating layer 12, and when injecting glue, the side formed by sealing is placed below, so as to facilitate the injection operation and avoid glue leakage.
[0041] Optionally, one end of the sleeve 31 is fixed with the first insulating layer 12, the other end forms a flared mouth, and the glue layer 32 is injected into the sleeve 31 from the flared mouth.
[0042] Exemplarily, one end of the sleeve 31 is fixed with the first insulation layer 12, and the opening at the other end is provided with a variable-diameter structure, that is, along the axial direction of the sleeve 31, the radius away from the side where the sleeve 31 is fixed with the first insulation layer 12 is greater than the radius close to the side where the sleeve 31 is fixed with the first insulation layer 12. In this way, the opening of the sleeve 31 used for pouring glue is relatively large, facilitating the glue pouring operation.
[0043] Optionally, the first wire harness 1 further comprises a first insulation layer 12, the first insulation layer 12 is wrapped outside the first battery cell 11, the end of the first battery cell 11 used for connecting with the second battery cell 21 is exposed outside the first insulation layer 12, the sleeve 31 is sleeved outside the first insulation layer 12, and the sleeve 31 is threadedly connected with the first insulation layer 12.
[0044] Exemplarily, the first insulation layer 12 wraps and protects the first battery cell 11, one end of the sleeve 31 is sleeved outside the first insulation layer 12, the outer side surface of the first insulation layer 12 is provided with threads, the inner surface of the sleeve 31 is provided with threads, the sleeve 31 is threadedly connected with the first insulation layer 12, so as to facilitate disassembly and assembly and have reliability. When pouring glue, one side of the sleeve 31 is sealed due to the thread connection with the first insulation layer 12, and when pouring glue, the side formed with the seal is placed at the lower side, facilitating the glue pouring operation and avoiding glue leakage.
[0045] Optionally, the inner side wall and / or the outer side wall of the sleeve 31 is provided with a heat insulation layer.
[0046] In this way, heat generated when the first battery cell 11 and the second battery cell 21 are electrified can be prevented from overflowing.
[0047] Optionally, the opening of the sleeve 31 is provided with a guide surface, and the first battery cell 11 and / or the second battery cell 21 can enter the through hole along the guide surface at the corresponding side.
[0048] In this way, when the first battery cell 11 and / or the second battery cell 21 are assembled into the sleeve 31, the guide surface plays a guiding role, facilitating the insertion of the first battery cell 11 and / or the second battery cell 21.
[0049] Optionally, the outer side wall of the sleeve 31 is provided with an anti-skid structure.
[0050] In this way, the sleeve 31 is clamped during assembly.
[0051] Optionally, the second wire harness further comprises a second insulation layer, the second insulation layer is wrapped outside the second battery cell 21, the end of the second battery cell 21 used for connecting with the first battery cell 11 is exposed outside the second insulation layer, the sleeve 31 is sleeved outside the second insulation layer, and the sleeve 31 is in interference fit with the second insulation layer.
[0052] In this way, the second insulating layer wraps and protects the second battery cell 21, one end of the sleeve 31 is sleeved outside the second insulating layer and is fixed with the second insulating layer through interference fit, and during glue injection, one side of the sleeve 31 is sealed due to interference fit with the second insulating layer, and during glue injection, the side formed with the seal is placed below, facilitating glue injection operation and avoiding glue leakage.
[0053] A heater is also provided, comprising the wire harness connection structure described above.
[0054] In addition, the above are only preferred embodiments of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, readjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims
1. A wiring harness connection structure characterized by, The application relates to a wire harness connection structure. The application relates to a wire harness connection structure. The first wire harness (1) further comprises a first insulation layer (12), the first insulation layer (12) is wrapped outside the first electric core (11), and the end of the first electric core (11) for being connected with the second electric core (21) is exposed outside the first insulation layer (12); the sleeve (31) is sleeved outside the first insulation layer (12) and is in interference fit with the first insulation layer (12). The sleeve (31) is fixed with the first insulation layer (12) at one end in the axial direction and is formed with a flared opening at the other end; the glue layer (32) is injected into the sleeve (31) from the flared opening.
2. The wire harness connection structure according to claim 1, characterized by The first wire harness (1) further comprises a first insulation layer (12), the first insulation layer (12) is wrapped outside the first electric core (11), and the end of the first electric core (11) for being connected with the second electric core (21) is exposed outside the first insulation layer (12); the sleeve (31) is sleeved outside the first insulation layer (12) and is in interference fit with the first insulation layer (12).
3. The wire harness connection structure according to claim 1, characterized by The inner side wall and / or the outer side wall of the sleeve (31) is provided with a heat insulation layer.
4. The wire harness connection structure according to claim 3, characterized by The opening of the sleeve (31) is provided with a guide surface, and the first electric core (11) and / or the second electric core (21) can enter the through hole along the guide surface on the corresponding side.
5. The wire harness connection structure according to claim 1, characterized by The outer side wall of the sleeve (31) is provided with an anti-skid structure.
6. The wire harness connection structure according to claim 1, characterized by The second wire harness further comprises a second insulation layer, the second insulation layer is wrapped outside the second electric core (21), and the end of the second electric core (21) for being connected with the first electric core (11) is exposed outside the second insulation layer; the sleeve (31) is sleeved outside the second insulation layer and is in interference fit with the second insulation layer.
7. The wire harness connection structure according to claim 1, characterized by The application relates to a wire harness connection structure.
8. The wire harness connection structure according to claim 1, characterized by The application relates to a wire harness connection structure.
9. The wire harness connection structure according to claim 1, characterized by 10. A heater characterised by