Heating plate adopting high-temperature liquid circulation heating mode

Abstract

The utility model relates to the technical field of heating plates, and discloses a heating plate in a high-temperature liquid circulation heating mode, which comprises a heating plate main body, an S-shaped continuously bent inner flow channel is arranged in the heating plate main body, and a liquid inlet pipe and a liquid outlet pipe which are communicated with the heating plate main body are respectively arranged on the outer side wall of the heating plate main body and positioned at two ends of the corresponding inner flow channel. The liquid inlet pipe is communicated with the liquid outlet pipe through an inner flow channel; high-temperature liquid is conveyed into the liquid inlet pipe through equipment, the high-temperature liquid flows in the S-shaped continuously-bent inner flow channel, flows out of the liquid outlet pipe, returns to the equipment again and returns to the heating plate body again after being heated, and the steps are repeated, so that internal circulation heating of the heating plate is achieved, and heat loss of flowing of the high-temperature liquid is compensated. Compared with a heating tube in a traditional resistance heating mode, the heating tube is more power-saving, and the situation that a battery is damaged due to the fact that the heating temperature is too high when a sensor is damaged is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of heating plates, in particular to a heating plate using a high-temperature liquid circulation heating method. Background Art

[0002] Cylindrical batteries have excellent performance in the lithium battery family and are an indispensable member. However, steel-shell cylindrical batteries are one of the main forms of cylindrical batteries. Their battery systems have higher capacity, stable output voltage, stable electrochemical performance, and are safe and reliable.

[0003] During the manufacturing process of cylindrical batteries, the baking process is constantly iterating and updating. The current market has contact baking, which has high baking efficiency, but the heating method is resistance heating. Damage to the sensor in this heating method will cause the heating temperature to be too high, thereby damaging the battery. Utility Model Content

[0004] The purpose of the present invention is to provide a heating plate with a high-temperature liquid circulation heating method, aiming to solve the problem in the prior art that sensor damage in the resistance heating method may cause the heating temperature to be too high, thereby damaging the battery.

[0005] The utility model is implemented as follows: a heating plate of a high-temperature liquid circulation heating mode comprises a heating plate body through which high-temperature liquid can flow, an inner flow channel of an "S" shape continuously curved is provided inside the heating plate body, the inner flow channel is continuously curved and extended along the width direction of the heating plate body, an outer wall of the heating plate body is provided at both ends of the corresponding inner flow channel with a liquid inlet pipe and a liquid outlet pipe communicating with each other, the liquid inlet pipe and the liquid outlet pipe being connected through the inner flow channel;

[0006] The high-temperature liquid is transported to the liquid inlet pipe through the device. After the high-temperature liquid enters the inner flow channel, it flows out from the liquid outlet pipe and enters the device. This is repeated to achieve internal circulation heating of the heating plate.

[0007] Furthermore, the liquid inlet pipe and the liquid outlet pipe are located on the outer side wall of the same side of the heating plate body.

[0008] Furthermore, the liquid inlet pipe and the liquid outlet pipe are respectively located on two sides of the heating plate body.

[0009] Furthermore, the heating plate body includes a plate body and two sealing end caps, the two sealing end caps are respectively mounted on both ends of the plate body, and the plate body is provided with a plurality of straight flow channels for the circulation of high-temperature liquid, and the plurality of straight flow channels are sequentially arranged side by side and spaced apart along the longitudinal direction of the plate body;

[0010] A curved flow channel is provided in the sealing end cover, and the two ends of the curved flow channel are respectively connected to the adjacent straight flow channels. The curved flow channels in the two sealing end covers are relatively staggered and connected through the adjacent straight flow channels to form a plurality of U-shaped and inverted U-shaped spiral flow channels that are connected end to end to each other, and the two ends of the spiral flow channel are respectively connected to the liquid inlet pipe and the liquid outlet pipe.

[0011] Furthermore, both ends of the curved flow channel are located on the same side of the sealing end cover.

[0012] Furthermore, one of the sealing end covers is provided with two end flow channels, one end of the two end flow channels is respectively connected to the two ends of the spiral flow channel, and the other ends of the two end flow channels are respectively connected to the liquid inlet pipe and the liquid outlet pipe.

[0013] Furthermore, the two sealing end covers are respectively provided with end flow channels, one end of the two end flow channels is respectively connected to the two ends of the spiral flow channel, and the other end of the two end flow channels is respectively connected to the liquid inlet pipe and the liquid outlet pipe.

[0014] Furthermore, the end flow channel transversely penetrates the sealing end cover.

[0015] Furthermore, the two end flow channels are respectively connected to the two ends of the spiral flow channel to form the inner flow channel.

[0016] Furthermore, a plurality of bolt holes are provided in the sealing end cover, and the plurality of bolt holes are sequentially arranged side by side and spaced apart along the length direction of the sealing end cover, and the bolt holes penetrate the sealing end cover.

[0017] Compared with the prior art, the heating plate of the high-temperature liquid circulation heating method provided by the utility model transports the high-temperature liquid to the liquid inlet pipe through the equipment, allows the high-temperature liquid to flow in the "S"-shaped continuously curved internal flow channel, and then flows out from the liquid outlet pipe and returns to the equipment, and returns to the heating plate body after heating. This is repeated to realize the internal circulation heating of the heating plate to compensate for the heat loss of the high-temperature liquid flow, so that the temperature zone formed inside the heating plate body is more uniform, and it is more energy-saving than the heating tube of the traditional resistance heating method, and there will be no situation where the sensor damage will cause the heating temperature to be too high, thereby damaging the battery; the high-temperature liquid can also be controlled to be discharged from the heating plate body to achieve the effect of rapid cooling, which solves the problem that the sensor damage in the resistance heating method may cause the heating temperature to be too high, thereby damaging the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional schematic diagram of a heating plate of a high-temperature liquid circulation heating method provided by the present invention;

[0019] Figure 2It is a schematic top view of the cross-sectional structure of a heating plate of a high-temperature liquid circulation heating method provided by the utility model.

[0020] In the figure: the heating plate body 10, the inner flow channel 20, the liquid inlet pipe 30, the liquid outlet pipe 40, the plate body 11, the sealing end cover 12, the spiral flow channel 13, the bolt hole 14, the straight flow channel 111, the curved flow channel 121, and the end flow channel 122. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0022] The implementation of the present invention is described in detail below with reference to specific embodiments.

[0023] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "up", "down", "left", "right", etc. indicate directions or positional relationships, they are based on the directions or positional relationships shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0024] Reference Figure 1-2 The figure shows a preferred embodiment of the present invention.

[0025] A high-temperature liquid circulation heating heating plate includes a heating plate body 10 through which high-temperature liquid can flow. An S-shaped continuously curved inner flow channel 20 is provided within the heating plate body 10. The inner flow channel 20 is continuously curved and extends along the width direction of the heating plate body 10. An inlet pipe 30 and a liquid outlet pipe 40 are provided on the outer wall of the heating plate body 10 at both ends of the corresponding inner flow channel 20, and are connected to each other. The inlet pipe 30 and the outlet pipe 40 are connected through the inner flow channel 20.

[0026] The high-temperature liquid is transported to the liquid inlet pipe 30 through the device. After entering the inner flow channel 20, the high-temperature liquid flows out from the liquid outlet pipe 40 and enters the device. This process is repeated to achieve internal circulation heating of the heating plate.

[0027] The heating plate of the high-temperature liquid circulation heating method provided above transports the high-temperature liquid to the liquid inlet pipe 30 through the equipment, allows the high-temperature liquid to flow in the "S"-shaped continuously curved inner flow channel 20, and then flows out from the liquid outlet pipe 40 and returns to the equipment, and returns to the heating plate body 10 after heating. This is repeated to realize the internal circulation heating of the heating plate to compensate for the heat loss of the high-temperature liquid flow, so that the temperature zone formed inside the heating plate body 10 is more uniform, and it is more energy-saving than the traditional heating tube of the resistance heating method, and there will be no situation where the sensor damage will cause the heating temperature to be too high, thereby damaging the battery; the high-temperature liquid can also be controlled to be discharged from the heating plate body 10 to achieve the effect of rapid cooling, which solves the problem that the sensor damage in the resistance heating method may cause the heating temperature to be too high, thereby damaging the battery.

[0028] The liquid inlet pipe 30 and the liquid outlet pipe 40 are located on the outer side wall of the heating plate body 10 on the same side.

[0029] The liquid inlet pipe 30 and the liquid outlet pipe 40 are respectively located on both sides of the heating plate body 10 .

[0030] In this way, the diversity of actual use locations of the heating plate body 10 can be increased.

[0031] In this embodiment, the heating plate body 10 includes a plate body 11 and two sealing end caps 12. The two sealing end caps 12 are respectively mounted on both ends of the plate body 11. The plate body 11 is provided with a plurality of straight flow channels 111 for circulating high-temperature liquid. The plurality of straight flow channels 111 are sequentially arranged side by side and spaced apart along the longitudinal direction of the plate body 11.

[0032] A curved flow channel 121 is provided in the sealing end cover 12, and the two ends of the curved flow channel 121 are respectively connected to the adjacent straight flow channels 111. The curved flow channels 121 in the two sealing end covers 12 are relatively staggered and connected through the adjacent straight flow channels 111, forming a plurality of U-shaped and inverted U-shaped spiral flow channels 13 that are interconnected end to end, and the two ends of the spiral flow channel 13 are respectively connected to the liquid inlet pipe 30 and the liquid outlet pipe 40.

[0033] The heating plate body 10 can be freely disassembled, which is convenient for subsequent replacement after damage; and can specifically solve the problem of blockage of the straight flow channel 111 in the plate body 11 or the blockage of the curved flow channel 121 in the sealing end cover 12.

[0034] In this embodiment, both ends of the curved flow channel 121 are located on the same side of the sealing end cover 12. This facilitates the installation of the flow guide.

[0035] In this embodiment, two end channels 122 are provided in a single sealed end cap 12. One end of each of the two end channels 122 is connected to the two ends of the spiral channel 13, and the other ends of each of the two end channels 122 are connected to the liquid inlet pipe 30 and the liquid outlet pipe 40, respectively. In this way, a single sealed end cap 12 can connect the spiral channel 13 with the liquid inlet pipe 30 and the liquid outlet pipe 40 via the two end channels 122, facilitating connection management.

[0036] In this embodiment, end flow channels 122 are respectively provided in the two sealing end covers 12 , one end of the two end flow channels 122 is respectively connected to the two ends of the spiral flow channel 13 , and the other end of the two end flow channels 122 is respectively connected to the liquid inlet pipe 30 and the liquid outlet pipe 40 .

[0037] The two sealing end covers 12 respectively connect the two ends of the spiral flow channel 13 with the liquid inlet pipe 30 and the liquid outlet pipe 40 through the two end flow channels 122, thereby increasing the use range of the heating plate body 10.

[0038] The end flow channel 122 passes through the sealing end cover 12 in a transverse direction.

[0039] The two end flow channels 122 are respectively connected to the two ends of the spiral flow channel 13 to form an inner flow channel 20 .

[0040] In this embodiment, the sealing end cover 12 is provided with a plurality of bolt holes 14. The plurality of bolt holes 14 are sequentially arranged side by side and spaced apart along the length of the sealing end cover 12. The bolt holes 14 penetrate the sealing end cover 12. In this way, the sealing end cover 12 can be mounted on the plate body 11 by passing a plurality of bolts through the plurality of bolt holes 14.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A heating plate with a high-temperature liquid circulation heating method, characterized in that: The heating plate comprises a heating plate body through which high-temperature liquid can flow, wherein an S-shaped continuously curved internal flow channel is provided inside the heating plate body, wherein the internal flow channel is continuously curved and extended along the width direction of the heating plate body, and an inlet pipe and a outlet pipe communicating with each other are respectively provided on the outer wall of the heating plate body at both ends of the corresponding internal flow channel, and the inlet pipe and the outlet pipe are connected through the internal flow channel; The high-temperature liquid is transported to the liquid inlet pipe through the device. After the high-temperature liquid enters the inner flow channel, it flows out from the liquid outlet pipe and enters the device. This is repeated to achieve internal circulation heating of the heating plate.

2. The high-temperature liquid flow heating heating plate according to claim 1, characterized in that: The liquid inlet pipe and the liquid outlet pipe are located on the outer side wall of the same side of the heating plate body.

3. The high-temperature liquid flow heating heating plate according to claim 1, characterized in that: The liquid inlet pipe and the liquid outlet pipe are respectively located on two sides of the heating plate body.

4. The high-temperature liquid flow heating heating plate according to claim 1, characterized in that: The heating plate body includes a plate body and two sealing end caps, the two sealing end caps are respectively installed on both ends of the plate body, and the plate body is provided with a plurality of straight flow channels for the circulation of high-temperature liquid, and the plurality of straight flow channels are sequentially arranged side by side and spaced apart along the longitudinal direction of the plate body; A curved flow channel is provided in the sealing end cover, and the two ends of the curved flow channel are respectively connected to the adjacent straight flow channels. The curved flow channels in the two sealing end covers are relatively staggered and connected through the adjacent straight flow channels to form a plurality of U-shaped and inverted U-shaped spiral flow channels that are connected end to end to each other, and the two ends of the spiral flow channel are respectively connected to the liquid inlet pipe and the liquid outlet pipe.

5. The high-temperature liquid flow heating heating plate according to claim 4, characterized in that: Both ends of the curved flow channel are located on the same side of the sealing end cover.

6. The high-temperature liquid flow heating heating plate according to claim 5, characterized in that: Two end flow channels are provided in one of the sealing end covers, one end of the two end flow channels is communicated with the two ends of the spiral flow channel respectively, and the other ends of the two end flow channels are communicated with the liquid inlet pipe and the liquid outlet pipe respectively.

7. The high-temperature liquid flow heating heating plate according to claim 5, characterized in that: The two sealing end covers are respectively provided with end flow channels, one end of the two end flow channels is respectively communicated with the two ends of the spiral flow channel, and the other end of the two end flow channels is respectively communicated with the liquid inlet pipe and the liquid outlet pipe.

8. The heating plate of high temperature liquid circulation heating method according to any one of claims 6 to 7, characterized in that: The end flow channel passes through the sealing end cover transversely.

9. The high-temperature liquid flow heating heating plate according to claim 8, characterized in that: The two end flow channels are respectively connected to the two ends of the spiral flow channel to form the inner flow channel.

10. The heating plate of high temperature liquid circulation heating method according to claim 8, characterized in that: The sealing end cover is provided with a plurality of bolt holes, which are sequentially arranged side by side and spaced apart along the length direction of the sealing end cover, and the bolt holes penetrate the sealing end cover.

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