A new constant-temperature high-frequency heating device

Abstract

This utility model relates to the technical field of constant temperature high-frequency heating devices, and discloses a novel constant temperature high-frequency heating device, including an upper pressure head, a metal strip, a U-shaped high-frequency steel pipe, and a lower pressure head. The upper pressure head has an upper water inlet and an upper water outlet on one side end face, and an upper silicone pad at the lower end. The lower pressure head has a lower water inlet and a lower water outlet on both sides of one side end face, and a lower silicone pad at the upper end. Two U-shaped high-frequency steel pipes are arranged between the upper and lower pressure heads. In this utility model, the upper and lower pressure heads adopt a hollow structure with inlet and outlet ports, achieving efficient temperature control. In actual production, a constant coolant flows through the interior, promptly removing the heat generated by high-frequency heating, ensuring a constant pressure head temperature, significantly improving the stability of the production process, effectively eliminating the uncontrollable effects of temperature fluctuations, and guaranteeing the consistency and reliability of the final product quality.

Description

Technical Field

[0001] This utility model relates to the technical field of constant temperature high frequency heating devices, and in particular to a novel constant temperature high frequency heating device. Background Technology

[0002] The tabs are mainly composed of a metal strip and tab adhesive. In actual production, the metal strip after initial adhesive application needs to be reheated by a high-frequency device to ensure full fusion between the tab adhesive and the metal strip, preventing subsequent leakage. However, in actual production, the pressure head in the high-frequency device is generally made of bakelite board. As production progresses, the temperature of the bakelite board gradually increases due to heat accumulation. Since the high-frequency current remains constant during production, this may cause the tab adhesive to melt excessively, resulting in a soft shoulder and subsequent battery cell leakage. Simultaneously, during production, the surface temperature of the bakelite board is greatly affected by the external environment, making its temperature uncontrollable and variable. This can cause unstable electrolyte resistance of the tabs, potentially leading to substandard products reaching downstream customers.

[0003] Therefore, those skilled in the art have provided a novel constant-temperature high-frequency heating device to solve the problems mentioned in the background art. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies and provide a novel constant-temperature high-frequency heating device. This device features a hollow structure inside the upper and lower pressure heads with inlet and outlet water ports, achieving efficient temperature control. In actual production, a constant flow of coolant passes through the interior, promptly removing the heat generated by high-frequency heating, ensuring a constant pressure head temperature, significantly improving the stability of the production process, effectively eliminating the uncontrollable effects of temperature fluctuations, and guaranteeing the consistency and reliability of the final product quality.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A novel constant temperature high-frequency heating device includes an upper pressure head, a metal strip, a U-shaped high-frequency steel pipe, and a lower pressure head. The upper pressure head has an upper water inlet and an upper water outlet on one side of its end face, and an upper silicone pad on its lower end. The lower pressure head has a lower water inlet and a lower water outlet on both sides of one side of its end face, and a lower silicone pad on its upper end. Two U-shaped high-frequency steel pipes are positioned between the upper and lower pressure heads, and a metal strip is positioned between the two U-shaped high-frequency steel pipes. Both ends of the metal strip are fitted with tabs.

[0007] Through the above technical solution, the device adopts a hollow structure inside the upper and lower pressure heads and is equipped with inlet and outlet water ports, which realizes efficient temperature control. In actual production, a constant coolant flows through the interior, which promptly removes the heat generated by high-frequency heating, ensuring a constant pressure head temperature, significantly improving the stability of the production process, effectively eliminating the uncontrollable effects caused by temperature fluctuations, and ensuring the consistency and reliability of the final product quality.

[0008] Furthermore, the upper and lower pressure heads have hollow interiors and are connected to an external cooling system via an upper water inlet, an upper water outlet, a lower water inlet, and a lower water outlet, respectively.

[0009] The above technical solution enables the circulation of the cooling medium inside the pressure head, efficiently and evenly removing the heat generated by high-frequency heating, ensuring that the pressure head temperature remains stable at the set value, thereby improving the temperature control accuracy and stability of the overall device.

[0010] Furthermore, both the upper and lower silicone pads are made of high-temperature resistant silicone.

[0011] Through the above technical solutions, high-temperature resistant silicone can effectively withstand the working temperature, prevent heat leakage or cold loss, and at the same time provide a certain pressure uniform distribution to protect the metal strip from damage, ensuring heating efficiency and product quality.

[0012] Furthermore, the material of the U-shaped high-frequency steel pipe is copper;

[0013] By using the above technical solution, copper with excellent electrical and thermal conductivity is selected as the material for high-frequency steel pipes. This enables more efficient conduction of high-frequency current and rapid dissipation of heat from the pipe wall, which helps maintain the stability and uniformity of the high-frequency induction heating area and improves heating efficiency.

[0014] This utility model has the following beneficial effects:

[0015] 1. This utility model proposes a novel constant temperature high-frequency heating device. By designing the upper and lower pressure heads as hollow structures and equipping them with water inlets and outlets, the device achieves efficient temperature control. In actual production, constant temperature water or other coolant can continuously flow through the inside of the pressure head, promptly removing the heat accumulated due to high-frequency heating, ensuring that the pressure head is always maintained at the set temperature. This significantly improves the stability of the production process, effectively eliminates uncontrollable factors that may be caused by pressure head temperature fluctuations, and ensures the consistency and reliability of product quality. Attached Figure Description

[0016] Figure 1 This is an isometric view of a novel constant-temperature high-frequency heating device proposed in this utility model;

[0017] Figure 2This is an exploded view of a novel constant-temperature high-frequency heating device proposed in this utility model;

[0018] Figure 3 This is a cross-sectional view of a novel constant-temperature high-frequency heating device proposed in this utility model.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Upper pressure head; 2. Upper water inlet; 3. Upper water outlet; 4. Upper silicone pad; 5. Metal strip; 6. Electrode rubber; 7. Lower silicone pad; 8. U-shaped high-frequency steel pipe; 9. Lower pressure head; 10. Lower water inlet; 11. Lower water outlet. Detailed Implementation

[0021] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0022] Reference Figure 1-3 This utility model provides a specific embodiment: a novel constant temperature high frequency heating device, including an upper pressure head 1, a metal strip 5, a U-shaped high frequency steel pipe 8 and a lower pressure head 9. The upper pressure head 1 has an upper water inlet 2 and an upper water outlet 3 at the upper and lower ends of one side end face. The lower end of the upper pressure head 1 has an upper silicone pad 4. The lower pressure head 9 has a lower water inlet 10 and a lower water outlet 11 on both sides of one side end face. The upper end of the lower pressure head 9 has a lower silicone pad 7. Two U-shaped high frequency steel pipes 8 are arranged between the upper pressure head 1 and the lower pressure head 9. A metal strip 5 is arranged between the two U-shaped high frequency steel pipes 8. Both ends of the metal strip 5 are provided with tab rubber 6.

[0023] The device features a hollow internal structure with inlet and outlet water ports in the upper and lower pressure heads 9, enabling efficient temperature control. In actual production, a constant flow of coolant passes through the interior, promptly removing the heat generated by high-frequency heating, ensuring a constant pressure head temperature, significantly improving the stability of the production process, effectively eliminating the uncontrollable effects of temperature fluctuations, and guaranteeing the consistency and reliability of the final product quality.

[0024] The upper pressure head 1 and the lower pressure head 9 have hollow interiors and are connected to the external cooling system through the upper water inlet 2, the upper water outlet 3, the lower water inlet 10, and the lower water outlet 11, respectively.

[0025] It can realize the circulation of the cooling medium inside the pressure head, efficiently and evenly remove the heat generated by high-frequency heating, and ensure that the pressure head temperature is stable at the set value, thereby improving the temperature control accuracy and stability of the overall device. The upper silicone pad 4 and the lower silicone pad 7 are both made of high-temperature resistant silicone. High-temperature resistant silicone can effectively withstand the working temperature, prevent heat leakage or cold loss, and at the same time provide a certain pressure uniform distribution, protect the metal strip 5 from damage, and ensure heating efficiency and product quality. The U-shaped high-frequency steel pipe 8 is made of copper. Using copper with excellent electrical and thermal conductivity as the high-frequency steel pipe material can more efficiently conduct high-frequency current and quickly dissipate heat from the pipe wall, which helps to maintain the stability and uniformity of the high-frequency induction heating area and improve heating efficiency.

[0026] Working Principle: When the device is in operation, the metal strip 5 and the tab adhesive 6 are first passed through the U-shaped high-frequency steel pipe 8. Simultaneously, the cooling system is activated, and constant-temperature water or other coolant continuously enters the hollow structure inside the upper pressure head 1 and lower pressure head 9 from the upper inlet 2 and lower inlet 10, and continuously flows out from the upper outlet 3 and lower outlet 11, pre-cooling and controlling the temperature of the pressure heads. When the current is triggered, the upper pressure head 1 and lower pressure head 9 quickly close, and the upper silicone pad 4 and lower silicone pad 7 are tightly pressed against the surface of the tab adhesive 6, ensuring good contact and a certain degree of sealing. At this time, the U-shaped high-frequency steel pipe 8 generates a high-frequency magnetic field, which acts on the metal strip 5 passing through it, inducing a strong current on its surface, causing the metal strip 5 to heat up rapidly, which is used to weld or heat the tab adhesive 6. Due to the heat insulation properties of the tab adhesive 6, the heat generated by the metal strip 5 is difficult to dissipate directly to the surrounding environment, but is mainly conducted to the upper silicone pad 4 and lower silicone pad 7 tightly attached to it, and then further transferred to the upper pressure head 1 and lower pressure head 9. The heat conducted to the pressure head is quickly absorbed and carried away by the continuously circulating constant-temperature water or coolant, thereby precisely maintaining a constant temperature on the surface of the pressure head and ensuring the stability and controllability of the heating process.

[0027] The following points should be noted in this article:

[0028] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0029] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel constant-temperature high-frequency heating device, comprising an upper pressure head (1), a metal strip (5), a U-shaped high-frequency steel pipe (8), and a lower pressure head (9), characterized in that: The upper pressure head (1) has an upper water inlet (2) and an upper water outlet (3) on one side end face. The lower end of the upper pressure head (1) has an upper silicone pad (4). The lower pressure head (9) has a lower water inlet (10) and a lower water outlet (11) on both sides of one side end face. The upper end of the lower pressure head (9) has a lower silicone pad (7). Two U-shaped high-frequency steel pipes (8) are arranged between the upper pressure head (1) and the lower pressure head (9). A metal strip (5) is arranged between the two U-shaped high-frequency steel pipes (8). Both ends of the metal strip (5) are provided with tab rubber (6).

2. The novel constant-temperature high-frequency heating device according to claim 1, characterized in that: The upper pressure head (1) and the lower pressure head (9) have hollow interiors and are connected to the external cooling system through the upper water inlet (2), the upper water outlet (3), the lower water inlet (10), and the lower water outlet (11), respectively.

3. The novel constant-temperature high-frequency heating device according to claim 1, characterized in that: Both the upper silicone pad (4) and the lower silicone pad (7) are made of high-temperature resistant silicone.

4. The novel constant-temperature high-frequency heating device according to claim 1, characterized in that: The material of the U-shaped high-frequency steel pipe (8) is copper.

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