Energy storage battery protection board of integrated radiator

Abstract

The invention relates to the technical field of battery protection plates, in particular to an energy storage battery protection plate of an integrated radiator, which comprises a circuit board and a radiator arranged at the top of the circuit board, the radiator comprises a bottom plate, a liquid cooling pipe, a pumping box and a cold water box; the liquid cooling pipe, the pumping box and the cold water box are arranged on the bottom plate; a sliding base is slidably arranged on the machine base in the length direction. The sliding seat is provided with a driving frame; a limiting groove is formed in the side wall of the machine base. The driving frame is movably arranged in the limiting groove; the limiting groove comprises a plurality of first deformation grooves and second deformation grooves which are alternately connected; the machine base is provided with a driving piece used for driving the sliding base to slide. The first deformation groove and the second deformation groove can deform according to the temperature of the circuit board, so that the wave crest position and the wave trough position of the limiting groove are changed, the lifting amount of the driving frame and the pressing rod is changed, the cold water pumping amount and speed of the pumping box can be changed, and finally cooling can be conducted according to the temperature of the circuit board; and unnecessary energy consumption and supercooling are avoided.

Description

Technical Field

[0001] The invention relates to the technical field of battery protection boards, and in particular to an energy storage battery protection board with an integrated radiator. Background Art

[0002] With the rapid development of renewable energy and electric vehicle markets, energy storage battery systems play an increasingly important role in energy storage and power supply. In order to ensure the safety and reliability of energy storage batteries, battery protection boards are widely used in battery management systems to continuously monitor the status of batteries and manage them in real time.

[0003] In high-current charging and discharging scenarios, the protection board needs to frequently monitor battery voltage, current, temperature and other parameters, and respond quickly based on these parameters. This high-frequency monitoring and response will increase the workload of the protection board, causing its own temperature to rise. In addition, energy storage batteries generate a lot of heat during the charging and discharging process. If this heat cannot be dissipated in a timely and effective manner, it will cause the battery temperature to rise. Excessive battery temperature will not only affect the performance and life of the battery, but may also cause serious safety issues such as thermal runaway.

[0004] Currently, energy storage battery protection boards on the market are usually integrated with radiators, but most of these radiators are designed with fixed heat dissipation capacity and cannot dynamically adjust the heat dissipation capacity according to the real-time temperature. Radiators with fixed heat dissipation capacity will cause resource waste under low load or low temperature environment, and may not provide sufficient heat dissipation effect under high load or high temperature environment. This design not only increases energy consumption, but may also cause insufficient or excessive heat dissipation problems, affecting the service life and performance of the battery and protection board. Summary of the invention

[0005] The purpose of the present invention is to provide an energy storage battery protection plate with an integrated radiator in view of the above-mentioned deficiencies in the prior art.

[0006] The object of the present invention is achieved through the following technical solutions: A storage battery protection board with an integrated radiator, comprising a circuit board and a radiator arranged on the top of the circuit board; the radiator comprises a bottom plate, a liquid cooling pipe, a pumping box and a cold water tank; the liquid cooling pipe, the pumping box and the cold water tank are all arranged on the bottom plate;

[0007] The liquid cooling pipe, the pumping box and the cold water tank are interconnected; a pumping assembly is arranged in the pumping box; a machine base is arranged on the bottom plate; a pressure rod is arranged for the lifting and lowering movement of the machine base; the pressure rod is used to drive the pumping assembly to move;

[0008] The machine base is provided with a sliding seat sliding along the length direction; the sliding seat is provided with a driving frame for driving the pressure rod to rise and fall; the side wall of the machine base is provided with a limiting groove; the driving frame is movably arranged in the limiting groove; the limiting groove includes a plurality of first deformation grooves and second deformation grooves alternately connected in sequence along the length direction of the machine base; the first deformation groove is arranged obliquely upward; the second deformation groove is arranged obliquely downward; the machine base is provided with a driving member for driving the sliding seat to slide.

[0009] The present invention is further configured as follows: an upper cavity is provided at the top of the pumping box; a lower cavity is provided at the bottom of the pumping box; one end of the liquid cooling tube is connected to the top of the upper cavity, and a first one-way valve is provided between one end of the liquid cooling tube and the upper cavity; the other end of the liquid cooling tube is connected to one end of a cold water tank, and a second one-way valve is provided between the other end of the liquid cooling tube and one end of the cold water tank; the other end of the cold water tank is connected to the bottom of the lower cavity, and a third one-way valve is provided between the other end of the cold water tank and the lower cavity.

[0010] The present invention is further configured such that the pumping assembly includes an upper piston that is movable in lifting and lowering in the upper cavity, a lower piston that is movable in lifting and lowering in the lower cavity, and a connecting rod that is arranged between the upper piston and the lower piston; the connecting rod is respectively connected to the upper cavity and the lower cavity; the connecting rod is provided with a fourth one-way valve; and the pressure rod is connected to the connecting rod.

[0011] The present invention is further configured such that the middle portion of the liquid cooling pipe is arranged at the bottom of the base plate in a winding shape.

[0012] The present invention is further configured such that the bottom plate is provided with a plurality of heat dissipation fins; the heat dissipation fins are arranged above the middle portion of the liquid cooling tube.

[0013] The present invention is further configured such that a brush is provided at the bottom of the sliding seat; and the brush abuts against the heat dissipation fins.

[0014] The present invention is further configured such that the driving frame is provided with a guide rod; the guide rod is movable in lifting and lowering motion on a sliding seat; the guide rod is movable in telescopic motion with a floating pin; the floating pin protrudes out of the sliding seat and is movable in a limiting groove.

[0015] The present invention is further configured such that the first deformation groove comprises a first upper deformation groove and a first lower deformation groove; the first lower deformation groove is telescopically movably arranged at the bottom of the first upper deformation groove;

[0016] The second deformation groove comprises a second upper deformation groove and a second lower deformation groove; the second lower deformation groove is telescopically arranged at the bottom of the second upper deformation groove;

[0017] The top of the second upper deformation groove is hinged to the top of the adjacent first upper deformation groove; the bottom of the second lower deformation groove is hinged to the bottom of the adjacent first lower deformation groove.

[0018] The present invention is further configured that the side wall of the base is provided with an upper inclined guide groove and a lower inclined guide groove; the first upper deformation groove is movably provided in the upper inclined guide groove; the first lower deformation groove is movably provided in the lower inclined guide groove;

[0019] A first upper thermal spring is provided between the first upper deformation groove and the upper inclined guide groove; a first lower thermal spring is provided between the first lower deformation groove and the lower inclined guide groove; and a thermal spring is provided between the second upper deformation groove and the second lower deformation groove.

[0020] The present invention is further configured that the energy storage battery protection plate of the integrated radiator further includes a heat collecting cover; the heat collecting cover is sleeved outside the circuit board; the bottom plate is arranged on the top of the heat collecting cover;

[0021] The circuit board is connected with a heat-conducting copper sheet; the heat-conducting copper sheet protrudes out of the heat collecting cover and the bottom plate and abuts against the cold water tank.

[0022] Beneficial effects of the present invention: The present invention can deform the first deformation groove and the second deformation groove according to the temperature of the circuit board, thereby changing the peak position and the trough position of the limit groove, changing the lifting amount of the drive frame and the pressure rod, thereby changing the cold water pumping amount and rate of the pumping box, and finally cooling according to the temperature of the circuit board to avoid unnecessary energy consumption and overcooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The invention is further described using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the invention. A person skilled in the art can obtain other drawings based on the following drawings without creative work.

[0024] Figure 1 It is a schematic diagram of the structure of the present invention;

[0025] Figure 2 is a cross-sectional view of the present invention;

[0026] Figure 3 is a cross-sectional view from another perspective of the present invention;

[0027] Figure 4 This is a schematic diagram of the structure of the present invention after the cold water tank is hidden;

[0028] Figure 5 This is a schematic diagram of the structure of the present invention from another perspective after the cold water tank is hidden;

[0029] Figure 6 This is a first state diagram of the cooperation between the base and the limiting groove of the present invention;

[0030] Figure 7 This is a second state diagram of the cooperation between the base and the limiting groove of the present invention;

[0031] Among them: 1. Circuit board; 11. Heat collecting cover; 12. Heat conducting copper sheet; 2. Bottom plate; 21. Liquid cooling pipe; 22. Cold water tank; 23. First one-way valve; 24. Second one-way valve; 25. Third one-way valve; 26. Fourth one-way valve; 27. Heat dissipation fins; 3. Pumping box; 31. Upper cavity; 32. Lower cavity; 33. Upper piston; 34. Lower piston; 35. Connecting rod; 4. Machine base; 41. Pressure rod; 5. Sliding Moving seat; 51, brush; 52, driving member; 6, driving frame; 61, guide rod; 62, floating pin; 7, first deformation groove; 71, first upper deformation groove; 72, first lower deformation groove; 8, second deformation groove; 81, second upper deformation groove; 82, second lower deformation groove; 91, upper inclined guide groove; 92, lower inclined guide groove; 93, first upper thermal spring; 94, first lower thermal spring; 95, thermal spring. DETAILED DESCRIPTION

[0032] The present invention is further described in conjunction with the following examples.

[0033] Depend on Figures 1 to 7 It can be seen that the energy storage battery protection board with integrated radiator described in this embodiment includes a circuit board 1 and a radiator arranged on the top of the circuit board 1; the radiator includes a bottom plate 2, a liquid cooling pipe 21, a pumping box 3 and a cold water tank 22; the liquid cooling pipe 21, the pumping box 3 and the cold water tank 22 are all arranged on the bottom plate 2;

[0034] The liquid cooling pipe 21, the pumping box 3 and the cold water tank 22 are interconnected; a pumping assembly is provided in the pumping box 3; the bottom plate 2 is provided with a machine base 4; the machine base 4 is provided with a pressure rod 41 for lifting and lowering; the pressure rod 41 is used to drive the pumping assembly to move;

[0035] The machine base 4 is provided with a sliding seat 5 for sliding along the length direction; the sliding seat 5 is provided with a driving frame 6 for driving the pressure rod 41 to rise and fall; the side wall of the machine base 4 is provided with a limiting groove; the driving frame 6 is movably arranged in the limiting groove; the limiting groove includes a plurality of first deformation grooves 7 and second deformation grooves 8 which are alternately connected in sequence along the length direction of the machine base 4; the first deformation groove 7 is arranged to be inclined upward; the second deformation groove 8 is arranged to be inclined downward; the machine base 4 is provided with a driving member 52 for driving the sliding seat 5 to slide; wherein the driving member 52 can be a linear module, a cylinder, an oil cylinder or an electric cylinder, etc.

[0036] Specifically, in the energy storage battery protection board with integrated heat sink described in this embodiment, when the energy storage battery is working, the electronic components on the circuit board 1 generate heat, and the heat generated by the electronic components is dissipated through the heat sink.

[0037] During the operation of the radiator, the driving member 52 drives the sliding seat 5 to slide along the length direction of the machine base 4. During the sliding of the sliding seat 5, the sliding seat 5 drives the driving frame 6 to move along the limiting groove, so that the driving frame 6 alternately moves between the first deformation groove 7 and the second deformation groove 8, so that the driving frame 6 is continuously lifted and lowered on the sliding seat 5. During the lifting and lowering of the driving frame 6, the pressure rod 41 is driven to lift and lower, thereby driving the pumping assembly to move, so that the coolant flows between the liquid cooling pipe 21, the pumping box 3 and the cold water tank 22, thereby accelerating the heat dissipation speed of the circuit board 1.

[0038] When the temperature of the circuit board 1 is high, the first deformation groove 7 and the second deformation groove 8 are deformed, thereby changing the peak position and the trough position of the limit groove, which can change the lifting amount of the driving frame 6 and the pressure rod 41, thereby changing the cold water pumping amount and rate of the pumping box 3, further accelerating the cooling of the circuit board 1.

[0039] In this embodiment, the first deformation groove 7 and the second deformation groove 8 can be deformed according to the temperature of the circuit board 1, thereby changing the peak position and the trough position of the limit groove, changing the lifting amount of the drive frame 6 and the pressure rod 41, and thus changing the cold water pumping amount and rate of the pumping box 3. Finally, cooling can be performed according to the temperature of the circuit board 1 to avoid unnecessary energy consumption and overcooling.

[0040] The energy storage battery protection plate with an integrated radiator described in this embodiment, the top of the pumping box 3 is provided with an upper cavity 31; the bottom of the pumping box 3 is provided with a lower cavity 32; one end of the liquid cooling tube 21 is connected to the top of the upper cavity 31, and a first one-way valve 23 is provided between one end of the liquid cooling tube 21 and the upper cavity 31; the other end of the liquid cooling tube 21 is connected to one end of a cold water tank 22, and a second one-way valve 24 is provided between the other end of the liquid cooling tube 21 and one end of the cold water tank 22; the other end of the cold water tank 22 is connected to the bottom of the lower cavity 32, and a third one-way valve 25 is provided between the other end of the cold water tank 22 and the lower cavity 32. The energy storage battery protection plate with an integrated radiator described in this embodiment, the pumping assembly includes an upper piston 33 that is movable in lifting and lowering in the upper cavity 31, a lower piston 34 that is movable in lifting and lowering in the lower cavity 32, and a connecting rod 35 that is arranged between the upper piston 33 and the lower piston 34; the connecting rod 35 is connected to the upper cavity 31 and the lower cavity 32 respectively; the connecting rod 35 is provided with a fourth one-way valve 26; the pressure rod 41 is connected to the connecting rod 35.

[0041] Specifically, when the pressure rod 41 drives the connecting rod 35, the upper piston 33 and the lower piston 34 to move upward, the coolant in the upper cavity 31 flows into the liquid cooling pipe 21 through the first one-way valve 23, the coolant in the liquid cooling pipe 21 flows into the cold water tank 22 through the second one-way valve 24, and the coolant in the cold water tank 22 enters the lower cavity 32 through the third one-way valve 25;

[0042] When the pressure rod 41 drives the connecting rod 35, the upper piston 33 and the lower piston 34 to move upward, the coolant in the lower cavity 32 enters the upper cavity 31 through the connecting rod 35 and the fourth one-way valve 26, thereby driving the next pumping.

[0043] In the energy storage battery protection board with integrated radiator described in this embodiment, the middle part of the liquid cooling pipe 21 is arranged in a meandering shape at the bottom of the bottom plate 2. The above arrangement can effectively dissipate heat and cool the circuit board 1.

[0044] In the energy storage battery protection board with integrated radiator described in this embodiment, the bottom plate 2 is provided with a plurality of heat dissipation fins 27; the heat dissipation fins 27 are arranged above the middle of the liquid cooling tube 21. The above arrangement can effectively dissipate heat and cool the circuit board 1.

[0045] In the energy storage battery protection plate with integrated radiator described in this embodiment, a brush 51 is provided at the bottom of the sliding seat 5; the brush 51 abuts against the heat dissipation fins 27. The above arrangement can sweep away dust on the heat dissipation fins 27 during the sliding of the sliding seat 5.

[0046] In the energy storage battery protection plate with integrated radiator described in this embodiment, the driving frame 6 is provided with a guide rod 61; the guide rod 61 is movable and movable on the sliding seat 5; the guide rod 61 is movable and movable and is provided with a floating pin 62; the floating pin 62 protrudes out of the sliding seat 5 and is movable and is arranged in the limit groove. Through the above arrangement, the driving frame 6 can stably perform the lifting and lowering movement on the sliding seat 5; the driving frame 6 can stably move along the limit groove.

[0047] The energy storage battery protection plate with an integrated radiator described in this embodiment, the first deformation groove 7 includes a first upper deformation groove 71 and a first lower deformation groove 72; the first lower deformation groove 72 is telescopically movably arranged at the bottom of the first upper deformation groove 71; the second deformation groove 8 includes a second upper deformation groove 81 and a second lower deformation groove 82; the second lower deformation groove 82 is telescopically movably arranged at the bottom of the second upper deformation groove 81; the top of the second upper deformation groove 81 is hinged to the top of the adjacent first upper deformation groove 71; the bottom of the second lower deformation groove 82 is hinged to the bottom of the adjacent first lower deformation groove 72. The energy storage battery protection plate with an integrated heat sink described in this embodiment, the side wall of the base 4 is provided with an upper inclined guide groove 91 and a lower inclined guide groove 92; the first upper deformation groove 71 is movably arranged on the upper inclined guide groove 91; the first lower deformation groove 72 is movably arranged on the lower inclined guide groove 92; a first upper thermal spring 93 is arranged between the first upper deformation groove 71 and the upper inclined guide groove 91; a first lower thermal spring 94 is arranged between the first lower deformation groove 72 and the lower inclined guide groove 92; a thermal spring 95 is arranged between the second upper deformation groove 81 and the second lower deformation groove 82.

[0048] Specifically, in the energy storage battery protection plate with integrated heat sink described in this embodiment, the first upper thermal spring 93, the first lower thermal spring 94 and the thermal spring 95 are all thermally sensitive materials that stretch after being heated;

[0049] like Figure 6 As shown, at this time, the temperature of the circuit board 1 is relatively low, the lengths of the first upper thermal spring 93, the first lower thermal spring 94 and the thermal spring 95 are relatively short, the first upper deformation groove 71 and the first lower deformation groove 72 are close to each other, the second upper deformation groove 81 and the second lower deformation groove 82 are close to each other, and the inclination of the second deformation groove 8 is relatively small. At this time, the lifting amount of the pressure rod 41 is the height difference between the top end of the first upper deformation groove 71 and the bottom end of the first lower deformation groove 72, and the lifting amount of the pressure rod 41 is relatively small;

[0050] like Figure 7 As shown, when the temperature of the circuit board 1 is high, the lengths of the first upper thermistor spring 93, the first lower thermistor spring 94 and the thermistor spring 95 become longer, the first upper deformation groove 71 and the first lower deformation groove 72 move away from each other, the second upper deformation groove 81 and the second lower deformation groove 82 move away from each other, and the inclination of the second deformation groove 8 is relatively large. At this time, the lifting amount of the pressure rod 41 is the height difference between the top end of the first upper deformation groove 71 and the bottom end of the first lower deformation groove 72. The lifting amount of the pressure rod 41 is relatively large, so the lifting amount of the pressure rod 41 can be changed according to the temperature.

[0051] The energy storage battery protection board of the integrated radiator described in this embodiment further includes a heat collection cover 11; the heat collection cover 11 is sleeved outside the circuit board 1; the bottom plate 2 is arranged on the top of the heat collection cover 11; the circuit board 1 is connected with a heat conductive copper sheet 12; the heat conductive copper sheet 12 protrudes out of the heat collection cover 11 and the bottom plate 2 and abuts against the cold water tank 22. The above arrangement can effectively conduct the heat of the circuit board 1 to the radiator.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. An energy storage battery protection board with integrated radiator, characterized in that: It includes a circuit board and a radiator arranged on the top of the circuit board; the radiator includes a bottom plate, a liquid cooling pipe, a pumping box and a cold water tank; the liquid cooling pipe, the pumping box and the cold water tank are all arranged on the bottom plate; The liquid cooling pipe, the pumping box and the cold water tank are interconnected; a pumping assembly is arranged in the pumping box; a machine base is arranged on the bottom plate; a pressure rod is arranged for the lifting and lowering movement of the machine base; the pressure rod is used to drive the pumping assembly to move; The machine base is provided with a sliding seat sliding along the length direction; the sliding seat is provided with a driving frame for driving the pressure rod to rise and fall; the side wall of the machine base is provided with a limiting groove; the driving frame is movably arranged in the limiting groove; the limiting groove includes a plurality of first deformation grooves and second deformation grooves alternately connected in sequence along the length direction of the machine base; the first deformation groove is arranged obliquely upward; the second deformation groove is arranged obliquely downward; the machine base is provided with a driving member for driving the sliding seat to slide.

2. The energy storage battery protection plate with integrated radiator according to claim 1, characterized in that: An upper cavity is provided at the top of the pumping box; a lower cavity is provided at the bottom of the pumping box; one end of the liquid cooling tube is connected to the top of the upper cavity, and a first one-way valve is provided between one end of the liquid cooling tube and the upper cavity; the other end of the liquid cooling tube is connected to one end of the cold water tank, and a second one-way valve is provided between the other end of the liquid cooling tube and one end of the cold water tank; the other end of the cold water tank is connected to the bottom of the lower cavity, and a third one-way valve is provided between the other end of the cold water tank and the lower cavity.

3. The energy storage battery protection plate with integrated radiator according to claim 2, characterized in that: The pumping assembly includes an upper piston that is movable in lifting and lowering in the upper cavity, a lower piston that is movable in lifting and lowering in the lower cavity, and a connecting rod that is arranged between the upper piston and the lower piston; the connecting rod is connected to the upper cavity and the lower cavity respectively; the connecting rod is provided with a fourth one-way valve; the pressure rod is connected to the connecting rod.

4. The energy storage battery protection plate with integrated radiator according to claim 2, characterized in that: The middle part of the liquid cooling pipe is arranged at the bottom of the bottom plate in a winding shape.

5. The energy storage battery protection plate with integrated radiator according to claim 4, characterized in that: The bottom plate is provided with a plurality of heat dissipation fins; the heat dissipation fins are arranged above the middle of the liquid cooling tube.

6. The energy storage battery protection plate with integrated radiator according to claim 5, characterized in that: A brush is provided at the bottom of the sliding seat; the brush abuts against the heat dissipation fins.

7. The energy storage battery protection plate with integrated radiator according to claim 1, characterized in that: The driving frame is provided with a guide rod; the guide rod is movable in lifting and lowering on a sliding seat; the guide rod is movable in telescopic movement and provided with a floating pin; the floating pin protrudes out of the sliding seat and is movably arranged in a limiting groove.

8. The energy storage battery protection plate with integrated radiator according to claim 1, characterized in that: The first deformation groove comprises a first upper deformation groove and a first lower deformation groove; The first lower deformation groove is telescopically arranged at the bottom of the first upper deformation groove; The second deformation groove includes a second upper deformation groove and a second lower deformation groove; The second lower deformation groove is telescopically arranged at the bottom of the second upper deformation groove; The top of the second upper deformation groove is hinged to the top of the adjacent first upper deformation groove; the bottom of the second lower deformation groove is hinged to the bottom of the adjacent first lower deformation groove.

9. The energy storage battery protection plate with integrated radiator according to claim 8, characterized in that: The side wall of the base is provided with an upper inclined guide groove and a lower inclined guide groove; the first upper deformation groove is movably arranged in the upper inclined guide groove; the first lower deformation groove is movably arranged in the lower inclined guide groove; A first upper thermal spring is provided between the first upper deformation groove and the upper inclined guide groove; a first lower thermal spring is provided between the first lower deformation groove and the lower inclined guide groove; and a thermal spring is provided between the second upper deformation groove and the second lower deformation groove.

10. The energy storage battery protection plate with integrated radiator according to claim 1, characterized in that: The energy storage battery protection plate of the integrated radiator further comprises a heat collecting cover; the heat collecting cover is sleeved outside the circuit board; the bottom plate is arranged on the top of the heat collecting cover; The circuit board is connected with a heat-conducting copper sheet; the heat-conducting copper sheet protrudes out of the heat collecting cover and the bottom plate and abuts against the cold water tank.

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