European standard industrial charging power line assembly with temperature signal feedback
By incorporating a temperature sensor into the charging power cord assembly, the internal temperature is monitored and fed back in real time, thus solving the problem of low safety in existing technologies and improving the safety and convenience of the assembly.
Patent Information
- Application Number
- CN202520175055.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-27
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-27
AI Technical Summary
Existing vehicle charging power cable assemblies cannot monitor internal temperature in real time, resulting in low safety and potential safety hazards.
A temperature sensor is installed in the charging power cord assembly to sense and report the internal temperature in real time via a signal line, thus avoiding blind power-on protection.
This has resulted in improved component safety and reliability, extended service life, reduced costs, and enhanced ease of use and safety.
Smart Images

Figure CN223785473U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the design of the European standard industrial charging power line assembly with temperature signal feedback, in particular to a European standard industrial charging power line assembly with temperature signal feedback, and the principle is that the temperature sensor is connected with the signal line, senses the temperature inside the assembly, and feeds back the temperature inside the assembly in time. BACKGROUND
[0002] In people's daily life, power line assemblies are widely used, and various large and small industries may need power line assemblies. Basically, where electricity can be used, power line assemblies will be used. Therefore, the use of power line assemblies has spread to every corner of our lives. People's lives cannot do without power line assemblies. Therefore, the reasonable design of power line assemblies has become a problem that people must overcome.
[0003] At present, people's demand for new energy vehicles is increasing. Since new energy vehicles have battery charging function, battery charging will generate a lot of heat, which has a great safety hazard. Therefore, the vehicle-mounted charging power line assembly needs a temperature sensor to monitor the temperature of the charging power line assembly in real time. Whether the resistance value signal fed back by the vehicle-mounted charging power line assembly product is accurate or not is of great importance to the vehicle-mounted charging power line assembly.
[0004] People cannot confirm the internal temperature of the power line assembly, and can only blindly protect it by switching the power supply, which has a safety hazard and low safety. INVENTION CONTENTS
[0005] The utility model aims at providing a European standard industrial charging power line assembly with temperature signal feedback, which is internally provided with a temperature sensor. The temperature sensor is in communication with the power line through a signal line, and can sense the internal temperature of the assembly in real time and feed back the temperature in time, so that people can take measures in time according to the temperature, instead of blindly switching the power supply for protection, thus avoiding unnecessary loss and effectively improving safety.
[0006] In order to achieve the above technical purpose, the technical scheme of the utility model is as follows:
[0007] The temperature signal feedback European standard industrial charging power supply line assembly includes a plug inner frame, the plug inner frame is provided with a live plug, a ground plug and a zero plug, between the live plug and the ground plug, the plug inner frame is provided with a temperature sensor fixing hole, the temperature sensor fixing hole is provided with a first temperature sensor and a second temperature sensor, the first temperature sensor includes a first temperature sensor first lead and a first temperature sensor second lead, the second temperature sensor includes a second temperature sensor first lead and a second temperature sensor second lead, the first temperature sensor second lead is riveted through a first connecting terminal and a first signal line, the second temperature sensor second lead is riveted through a second connecting terminal and a second signal line, the first temperature sensor first lead and the second temperature sensor first lead are riveted through a third connecting terminal and a third signal line.
[0008] The plug inner frame is provided with a first connecting terminal fixing groove and a second connecting terminal fixing groove, the first connecting terminal fixing groove is located between the live plug, the ground plug and the zero plug, the first connecting terminal and the second connecting terminal are arranged in the first connecting terminal fixing groove, the temperature sensor fixing hole is arranged between the first connecting terminal fixing groove and the second connecting terminal fixing groove, and the third connecting terminal is arranged in the second connecting terminal fixing groove.
[0009] The first connecting terminal fixing groove includes a left first fixing groove and a right first fixing groove, the first connecting terminal is arranged in the right first fixing groove, and the second connecting terminal is arranged in the left first fixing groove.
[0010] The temperature sensor fixing hole includes a first temperature sensor fixing hole and a second temperature sensor fixing hole, the first temperature sensor is arranged in the first temperature sensor fixing hole, and the second temperature sensor is arranged in the second temperature sensor fixing hole.
[0011] The first connecting terminal, the second connecting terminal and the third connecting terminal are all provided with heat shrink sleeves, specifically, the first connecting terminal is provided with a first heat shrink sleeve, the second connecting terminal is provided with a second heat shrink sleeve, and the third connecting terminal is provided with a third heat shrink sleeve.
[0012] The plug inner frame is arranged in an assembly shell, and a tail protection shell is arranged at the tail end of the assembly shell.
[0013] The tail protection shell is provided with an assembly net tail and an assembly handheld position.
[0014] The assembly shell is provided with an inner frame positioning plate, the inner frame positioning plate is provided with a live wire plug positioning hole, a ground wire plug positioning hole and a zero wire plug positioning hole, the live wire plug positioning hole is used for positioning the live wire plug and passing the live wire plug through the inner frame positioning plate, the ground wire plug positioning hole is used for positioning the ground wire plug and passing the ground wire plug through the inner frame positioning plate, the zero wire plug positioning hole is used for positioning the zero wire plug and passing the zero wire plug through the inner frame positioning plate, and the plug inner frame is connected to the inner frame positioning plate through screws. The plug inner frame is prevented from rotating in the assembly shell by passing the live wire plug, the ground wire plug and the zero wire plug into the plug positioning holes one by one, the plug inner frame is prevented from moving in the assembly shell by connecting the plug inner frame to the inner frame positioning plate through screws, and the plug inner frame is positioned and connected in the assembly shell.
[0015] The inner frame positioning plate is provided with a stud, and the screw is connected to the stud.
[0016] The plug inner frame is provided with a stud slot, and the stud is located in the stud slot. The stud slot provides space for the stud, so that the plug inner frame can be attached to the inner frame positioning plate, and the plug inner frame is tightly connected in the assembly shell.
[0017] The stud and the inner wall of the assembly shell are provided with a reinforcing connection part therebetween, so as to further enhance the stability inside the assembly.
[0018] The utility model has the beneficial effect that:
[0019] 1. Two temperature sensors are arranged, so that the temperature inside the assembly can be sensed in time, and the temperature inside the assembly can be fed back, so that the assembly is safe and reliable and has high stability; 2. The power line assembly has an attractive appearance, and the requirements of people on the assembly are comprehensively considered, the hand feeling is enhanced, and the assembly is convenient to plug and unplug; 3. The power line assembly has a compact internal design structure, occupies small space and is designed ingeniously. 4. Since the temperature inside the assembly can be sensed in time, the service life of the assembly can be prolonged. 5. The assembly has a reasonable internal design, is easy to form, has low cost and is cost-effective. 6. The reasonable design of the distance between the temperature sensor and the live wire plug and the zero wire plug can better sense the temperature inside the assembly. DRAWINGS
[0020] The utility model will be further described in detail in combination with the drawings and the specific embodiments.
[0021] Figure 1 It is an explosion schematic view of the charging power line assembly structure.
[0022] Figure 2 It is a schematic view of the connection relationship between the temperature sensor, the connecting terminal and the signal line.
[0023] Figure 3 It is a schematic view of the overall structure of the plug inner frame after crimping.
[0024] Figure 4 This is a schematic diagram of the assembly structure of the inner frame of the pin and the outer shell of the component after the pin is pressed together.
[0025] Figure 5 This is a schematic diagram of the component's housing structure.
[0026] Figure 6 This is a schematic diagram of the finished product of the charging power cord assembly. Detailed Implementation
[0027] like Figures 1-6 As shown, the European standard industrial charging power cord assembly with temperature signal feedback includes a component housing 11. A pin inner frame 4 is provided inside the component housing 11. A live wire pin 24, a ground wire pin 25, and a neutral wire pin 26 are provided on the pin inner frame 4. Between the live wire pin 24 and the ground wire pin 25, a temperature sensor mounting hole is provided in the pin inner frame 4. The temperature sensor mounting hole includes a first temperature sensor mounting hole 9 and a second temperature sensor mounting hole 10. The first temperature sensor 18 is located in the first temperature sensor mounting hole 9, and the second temperature sensor 19 is located in the second temperature sensor mounting hole 10.
[0028] The first temperature sensor 18 includes a first temperature sensor first lead 20 and a first temperature sensor second lead 23. The second temperature sensor 19 includes a second temperature sensor first lead 21 and a second temperature sensor second lead 22. The first temperature sensor second lead 23 is riveted to a first signal line 27 via a first connecting terminal 16. The first connecting terminal 16 is fitted with a heat-shrinkable first tubing 12. The second temperature sensor second lead 22 is riveted to a second connecting terminal 17 and a second signal line 28. The second connecting terminal 17 is fitted with a heat-shrinkable second tubing 13. The first temperature sensor first lead 20 and the second temperature sensor first lead 21 are riveted to a third signal line 29 via a third connecting terminal 15. The third connecting terminal 15 is fitted with a heat-shrinkable third tubing 14.
[0029] The inner frame 4 of the pin is provided with a first connecting terminal fixing groove and a second connecting terminal fixing groove 8. The first connecting terminal fixing groove is between the live wire pin 24, the ground wire pin 25 and the neutral wire pin 26. The first connecting terminal fixing groove includes a left first fixing groove 6 and a right first fixing groove 7. The first connecting terminal 16 is disposed in the right first fixing groove 7 and the second connecting terminal 17 is disposed in the left first fixing groove 6.
[0030] The temperature sensor mounting hole is located between the first connecting terminal mounting groove and the second connecting terminal mounting groove 8, and the third connecting terminal 15 is located inside the second connecting terminal mounting groove 8.
[0031] The assembly shell 11 is provided with an inner shelf positioning plate 41, and the inner shelf positioning plate 41 is provided with a live plug positioning hole 44, a ground plug positioning hole 45 and a zero plug positioning hole 46, the live plug positioning hole is used for positioning the live plug and passing through the inner shelf positioning plate, the ground plug positioning hole is used for positioning the ground plug and passing through the inner shelf positioning plate, and the zero plug positioning hole is used for positioning the zero plug and passing through the inner shelf positioning plate.
[0032] The inner shelf positioning plate 41 is provided with a stud 42, and a reinforcing connection part 43 is arranged between the stud 42 and the inner wall of the assembly shell 11, the plug inner shelf 4 is provided with a stud groove 47, the stud 42 is located in the stud groove 47, and a screw is connected on the stud 42, so that the plug inner shelf 4 is tightly connected on the inner shelf positioning plate 41.
[0033] The tail end of the assembly shell 11 is provided with a tail protection shell 1, and the tail protection shell 1 is provided with an assembly net tail 3 and an assembly hand holding position 2.
[0034] The assembly method of the charging wire assembly is as follows:
[0035] 1. According to the design requirements, the first temperature sensor first lead 20, the second temperature sensor first lead 21, the second temperature sensor second lead 22, the first temperature sensor second lead 23, the live wire, the ground wire, the zero wire, the first signal line 27, the second signal line 28, the third signal line 29 and the main wire are respectively stripped, the exposed length of the copper wire is controlled, and the size is confirmed again after stripping.
[0036] 2. According to the design requirements, the first temperature sensor first lead 20, the second temperature sensor first lead 21, the second temperature sensor second lead 22, the first temperature sensor second lead 23 are respectively stripped, the exposed length of the copper wire is controlled, and the size is confirmed again after stripping.
[0037] 3. The first temperature sensor second lead 23 is combined and riveted with the first signal line 27, the second temperature sensor second lead 22 is combined and riveted with the second signal line 28, and the first temperature sensor first lead 20 and the second temperature sensor first lead 21 are combined and riveted with the third signal line 29, and the third heat shrink sleeve 14 is baked after riveting, and the appearance is detected after heat baking. Figure 2
[0038] 4. The live plug 24, the ground plug 25 and the zero plug 26 are respectively and correspondingly riveted, and the finished product needs to be tested before riveting.
[0039] 5. Respectively, the first temperature sensor 18 is inserted into the first temperature sensor fixing hole 9, the second temperature sensor 19 is inserted into the second temperature sensor fixing hole 10, the first connecting terminal 16 is inserted into the right first fixing groove 7, the second connecting terminal 17 is inserted into the left first fixing groove 6, and the third connecting terminal 15 is inserted into the second connecting terminal fixing groove 8. After the assembly is completed, check whether the appearance is intact, whether the crimping is misaligned and the like, as shown in Fig. 4. Figure 3
[0040] 6. After confirming that there is no error, the plug-in inner frame 4 is placed into the assembly shell 11, and is connected to the bolt through a screw, so that the plug-in inner frame 4 is tightly connected in the assembly shell 11.
[0041] 7. Finally, the tail protection shell 1 is injection molded. After the injection molding is completed, it is also necessary to detect whether the size is reasonable, whether the safety size meets the requirements, and whether the appearance is good according to the drawing.
[0042] The European standard charging power line assembly has an elegant appearance, and meanwhile, whether a series of problems such as appearance defects will occur during injection molding is considered. The assembly hand holding position 2 formed by the groove on the tail protection shell 1 facilitates the plugging and unplugging of the assembly, and is easier to hold. The length of the assembly net tail 3 is moderate, the diameter is appropriate, and the thickness of the outer covering is appropriate, so that appearance defects are not easy to occur. The plurality of plug-in positioning holes and the stud on the inner frame positioning plate 41 facilitate the positioning and connection of the plug-in inner frame 4 and the assembly shell 11.
[0043] The above embodiments do not limit the utility model in any way, and any technical solution obtained by using equivalent replacement or equivalent transformation falls within the protection scope of the utility model.
Claims
1. A European standard industrial charging power cord assembly with temperature signal feedback, characterized in that: The device includes a pin inner frame (4), which is provided with a live wire pin (24), a ground wire pin (25), and a neutral wire pin (26). Between the live wire pin (24) and the ground wire pin (25), the pin inner frame (4) is provided with a temperature sensor mounting hole. A first temperature sensor (18) and a second temperature sensor (19) are disposed within the temperature sensor mounting hole. The first temperature sensor (18) includes a first temperature sensor first lead (20) and a first temperature sensor second lead (23). The second temperature sensor... The temperature sensor (19) includes a first lead (21) of a second temperature sensor and a second lead (22) of a second temperature sensor. The second lead (23) of the first temperature sensor is riveted to a first signal line (27) via a first connecting terminal (16). The second lead (22) of the second temperature sensor is riveted to a second signal line (28) via a second connecting terminal (17). The first lead (20) of the first temperature sensor and the first lead (21) of the second temperature sensor are riveted to a third signal line (29) via a third connecting terminal (15). The inner frame (4) of the pin is provided with a first connecting terminal fixing groove and a second connecting terminal fixing groove (8). The first connecting terminal fixing groove is located between the live wire pin (24), the ground wire pin (25) and the neutral wire pin (26). The first connecting terminal (16) and the second connecting terminal (17) are set in the first connecting terminal fixing groove. The temperature sensor fixing hole is set between the first connecting terminal fixing groove and the second connecting terminal fixing groove (8). The third connecting terminal (15) is set in the second connecting terminal fixing groove (8). The first connecting terminal fixing groove includes a left first fixing groove (6) and a right first fixing groove (7). The first connecting terminal (16) is set in the right first fixing groove (7), and the second connecting terminal (17) is set in the left first fixing groove (6). The temperature sensor fixing hole includes a first temperature sensor fixing hole (9) and a second temperature sensor fixing hole (10). The first temperature sensor (18) is set in the first temperature sensor fixing hole (9), and the second temperature sensor (19) is set in the second temperature sensor fixing hole (10).
2. The European standard industrial charging power cord assembly with temperature signal feedback according to claim 1, characterized in that: The first connecting terminal (16), the second connecting terminal (17) and the third connecting terminal (15) are all provided with heat shrink tubing.
3. The European standard industrial charging power cord assembly with temperature signal feedback according to claim 1, characterized in that: The inner frame (4) of the pin is disposed inside the component housing (11), and the tail end of the component housing (11) is provided with a tail protective shell (1).
4. The European standard industrial charging power cord assembly with temperature signal feedback according to claim 3, characterized in that: The tail protective shell (1) is provided with a component mesh tail (3) and a component handhold position (2).
5. The European standard industrial charging power cord assembly with temperature signal feedback according to claim 3, characterized in that: The component housing (11) is provided with an inner frame positioning plate (41), and the inner frame positioning plate (41) is provided with a live wire pin positioning hole (44), a ground wire pin positioning hole (45), and a neutral wire pin positioning hole (46). The pin inner frame (4) is connected to the inner frame positioning plate (41) by screws.
6. The European standard industrial charging power cord assembly with temperature signal feedback according to claim 5, characterized in that: The inner frame positioning plate (41) is provided with studs (42), and the screws are connected to the studs (42).
7. The European standard industrial charging power cord assembly with temperature signal feedback according to claim 6, characterized in that: The inner frame (4) of the pin is provided with a stud groove (47), and the stud (42) is located in the stud groove (47).
8. The European standard industrial charging power cord assembly with temperature signal feedback according to claim 6, characterized in that: A reinforcing connection (43) is provided between the stud (42) and the inner wall of the component housing (11).