Battery air-cooling heat dissipation device

Abstract

The utility model discloses a battery air-cooling heat dissipation device which comprises a fan structure, a rolling bearing, a connecting rod, a main shaft, a double-acting single-piston hydraulic cylinder, a single-rod piston hydraulic cylinder, a piston connecting rod and a motor, one end of the main shaft is connected with the fan structure, blades are arranged on the fan structure, and the main shaft is sleeved with the rolling bearing in a sliding mode. The connecting rods are respectively hinged to the blades and the outer sides of the rolling bearings; the upper end of a left cavity of the single-rod piston hydraulic cylinder is communicated with a right cavity, the upper side and the lower side of the end of the left cavity are respectively connected with a power supply circuit of a motor in series, the left cavity is filled with electrolyte, a piston rod of the single-rod piston hydraulic cylinder is connected to a right piston rod of the double-acting single-piston hydraulic cylinder through a piston connecting rod, and the left piston rod is connected to the outer side of a rolling bearing. The double-acting single-piston hydraulic cylinder is used for driving the piston of the single-rod piston hydraulic cylinder and the rolling bearing to move left and right. The air blowing angle of the fan structure can be controlled while starting and stopping of the fan structure are controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery heat dissipation technical field, concretely relates to a battery air cooling heat dissipation device. BACKGROUND

[0002] Battery cooling system plays a vital role in the university formula racing car, to effectively manage the equipment working temperature and ensure its long-term stable operation. However, the traditional air cooling heat dissipation system is composed of fixed speed fan and simple temperature control unit, usually only can keep a fixed working state, such as constant speed and angle, cannot flexibly adjust the running condition of fan according to different temperature changes, there is low efficiency, loud noise and high energy consumption problem, which limits its heat dissipation effect under the special working condition of the competition. When the battery temperature is higher, the fan may need higher speed or more inclined angle to increase airflow and improve heat dissipation efficiency, while when the temperature is lower, too high wind speed or fan angle will lead to high energy consumption and increase noise. Therefore, this design often cannot make real-time response when the equipment load and environment change, resulting in poor heat dissipation effect or excessive noise.

[0003] In summary, there is an urgent need for a battery air cooling heat dissipation device to solve the problem of poor heat dissipation effect of the traditional air cooling heat dissipation system. UTILITY MODEL CONTENTS

[0004] The utility model discloses in view of prior art's insufficient, provide a kind of battery air cooling heat dissipation device, to solve the problem of poor heat dissipation effect of the traditional air cooling heat dissipation system.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of battery air cooling heat dissipation device, characterized by: including fan structure, rolling bearing, connecting rod, main shaft, double-acting single-piston hydraulic cylinder, single rod piston hydraulic cylinder, piston connecting rod and motor, the one end of the main shaft is connected with the fan structure, fan structure is equipped with rotatable blade, the side of the main shaft far from fan structure is slidably sleeved with rolling bearing, the connecting rod is respectively hinged blade and the outside of rolling bearing, the other end of the main shaft is connected with the motor for driving the main shaft to drive fan structure rotation;The upper end of the left chamber in the single rod piston hydraulic cylinder is communicated with the right chamber, the upper and lower sides of the left chamber end portion are respectively connected with the power supply circuit of the motor, and the left chamber is filled with electrolyte, the piston rod of single rod piston hydraulic cylinder is connected with the right piston rod of the double-acting single-piston hydraulic cylinder by the piston connecting rod, the left piston rod of double-acting single-piston hydraulic cylinder is connected with the outside of the rolling bearing, double-acting single-piston hydraulic cylinder is used to drive the single rod piston hydraulic cylinder piston of single rod piston hydraulic cylinder and rolling bearing left and right movement, rolling bearing is used to drive connecting rod to pull, push blade to carry out the collection, expansion of inclination angle.

[0007] To optimize the above technical solutions, the specific measures taken also include:

[0008] Further, the power supply circuit further comprises a power supply connected in series with the power supply circuit of the motor for power supply.

[0009] Further, the motor is connected to the main shaft through a shaft coupling.

[0010] Further, the fan structure further comprises a blade base, one end of the main shaft is connected to the blade base, and the side of the blade base is hingedly connected with a blade through a connecting piece.

[0011] Further, the main shaft is connected to the blade base through a connecting key.

[0012] Further, it further comprises a reversing valve, a mercury temperature sensing device and a hydraulic pump, the double-acting single-piston hydraulic cylinder is connected to the hydraulic pump through the reversing valve, the reversing valve is connected to the mercury temperature sensing device, the mercury temperature sensing device is used for temperature sensing and driving the valve body of the reversing valve to move, and the valve body movement is used for switching the oil injection of the hydraulic pump to the left cavity or the right cavity of the double-acting single-piston hydraulic cylinder.

[0013] Further, the reversing valve adopts a two-position four-way reversing valve, the output end of the valve body of the reversing valve is connected to the mercury temperature sensing device, and the output end of the valve body of the reversing valve is connected with a floating ball extending into the interior of the mercury temperature sensing device, the interior of the mercury temperature sensing device is filled with mercury, and the mercury is used for temperature sensing to generate volume change and drive the floating ball to move upward or not to prevent the floating ball from moving downward.

[0014] Further, the hydraulic pump is a gear pump, and the gear pump is used for connecting the reversing valve and an oil tank and transporting hydraulic oil.

[0015] Further, an overflow valve is further arranged on the hydraulic circuit of the gear pump.

[0016] Further, the reversing valve adopts a standard two-position four-way reversing valve of Bosch Rexroth 4WE6J series.

[0017] The beneficial effects of the utility model are:

[0018] The utility model discloses a use, can through the single -acting single piston hydraulic cylinder drive single -pole piston hydraulic cylinder single -pole piston hydraulic cylinder piston moves to left, make that electrolyte level height rises, until electrolyte intercommunication power supply circuit, or moves to right, make that electrolyte level height reduces, until disconnects power supply circuit, in using, electrolyte highest can move to intercommunication power supply circuit after, still not flow into right chamber, at least can reduce to disconnect power supply circuit.

[0019] The utility model discloses can cooperate with the design such as reversing valve and mercury temperature sensing device, realizes the temperature control to double -acting single piston hydraulic cylinder, can independently adjust the switch of fan structure and the inclination of blade in working process according to temperature, to reach the best heat dissipation effect, thereby make control more efficient, can reduce energy consumption, reduce noise, improve heat dissipation efficiency, can satisfy the battery heat dissipation demand in the automobile driving process. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure schematic diagram of battery air cooling heat dissipation device that the utility model proposes;

[0021] Figure 2 It is Figure 1 The local enlarged view of A place in;

[0022] Figure 3 It is the reversing valve use state schematic of battery air cooling heat dissipation device that the utility model proposes Figure 1 ;

[0023] Figure 4 It is the reversing valve use state schematic of battery air cooling heat dissipation device that the utility model proposes Figure 2 .

[0024] Fig. 1 is a blade; 2 is a blade base; 3 is a connecting rod; 4 is a rolling bearing; 5 is a piston connecting rod; 6 is a double-acting single-piston hydraulic cylinder piston; 7 is a double-acting single-piston hydraulic cylinder; 8 is a reversing valve; 9 is a mercury temperature sensing device; 10 is an overflow valve; 11 is a gear pump; 12 is a connecting key; 13 is an oil tank; 14 is an electrolyte; 15 is a power supply; 16 is a single-rod piston hydraulic cylinder; 17 is a single-rod piston hydraulic cylinder piston; 18 is a motor; 19 is a main shaft; 20 is a shaft coupling; 101 is a left piston rod; 102 is a right piston rod; 201 is a travel switch SQ1; 202 is a travel switch SQ2; 203 is a travel switch SQ3; 204 is a travel switch SQ4; 301 is a connecting piece; 401 is a double-acting single-piston hydraulic cylinder left end; 402 is a double-acting single-piston hydraulic cylinder right end; 501 is a connecting hinge support; 701 is a left cavity; 702 is a right cavity; 801 is a left chamber. DETAILED DESCRIPTION

[0025] The utility model is specifically illustrated in detail below in combination with the drawings.

[0026] As shown in the accompanying Figure 1 The utility model discloses a battery air cooling heat sink, including fan structure, rolling bearing 4, connecting rod 3, main shaft 19, double-acting single-piston hydraulic cylinder 7, single-rod piston hydraulic cylinder 16, piston connecting rod 5 and motor 18, one end of main shaft 19 is connected fan structure, is equipped with rotatable blade 1 on fan structure, the one side sliding sleeve of main shaft 19 away from fan structure is equipped with rolling bearing 4, connecting rod 3 is hinged respectively blade 1 and the outside of rolling bearing 4, and the other end of main shaft 19 is connected for driving motor 18 of main shaft 19 to drive fan structure rotation, the upper end of left chamber 801 in single-rod piston hydraulic cylinder 16 inside is connected with right chamber, and the upper and lower sides of left chamber 801 end are connected in series respectively power supply circuit of motor 18, and left chamber 801 is filled with electrolyte 14, and the piston rod of single-rod piston hydraulic cylinder 16 is connected in right piston rod 102 of double-acting single-piston hydraulic cylinder 7 through piston connecting rod 5, and left piston rod 101 of double-acting single-piston hydraulic cylinder 7 is connected in the outside of rolling bearing 4, and double-acting single-piston hydraulic cylinder 7 is used to drive single-rod piston hydraulic cylinder 16 single-rod piston hydraulic cylinder piston 17 and rolling bearing 4 left and right movement, and rolling bearing 4 is used to drive connecting rod 3 to pull, push blade 1 and carry out the collection, spread of inclination angle.In this scheme, electrolyte 14 does not flow from left chamber 801 into right chamber during the lifting process.

[0027] The utility model discloses when using, can drive single -rod hydraulic cylinder piston hydraulic cylinder piston 17 of single -rod hydraulic cylinder 16 of double -acting single -piston hydraulic cylinder 7 to the left movement to make electrolyte 14 horizontal height raise, until electrolyte 14 intercommunication power supply circuit, fan structure drives blade 1 rotation and blows, or moves to the right, make electrolyte 14 horizontal height reduce, until disconnect power supply circuit, fan structure stops driving blade 1 rotation and blows, simultaneously, through the left and right movement of rolling bearing 4, can drive connecting rod 3 push, pull blade 1 and carry out the inclination of exhibition, with this, can control the blowing angle of fan structure when controlling the start -stop of fan structure, thereby solve the problem of poor heat dissipation effect. And, when using, electrolyte 14 highest can move to intercommunication power supply circuit after, still not flow into right chamber, at least can reduce to disconnect power supply circuit, with this, can guarantee in the inclination change process of blade 1, fan structure still can continue driving blade 1 rotation and blows, until disconnect power supply circuit.

[0028] In another specific embodiment based on the above, the power supply circuit further comprises a power supply 15 connected in series with the motor 18 for supplying power.

[0029] In another specific embodiment based on the above, the motor 18 is connected to the main shaft 19 through a shaft coupling 20.

[0030] In this scheme, the left chamber 801 of the single-rod hydraulic cylinder 16 is filled with electrolyte 14 capable of conducting electricity, and the on-off of the power supply circuit is controlled by changing the liquid level of the electrolyte 14, realizing the control of the working state of the motor 18. The motor 18 is connected to the right end of the main shaft 19 through a shaft coupling 20, the output shaft of the motor 18 is connected to the right end of the shaft coupling 20 through a key, and the right end of the main shaft 19 is also connected to the left end of the shaft coupling 20 through a key. This connection mode effectively ensures the efficient transmission of power from the motor 18 to the main shaft 19, providing solid power support for the stable rotation of the fan.

[0031] In another specific embodiment based on the above, the fan structure includes a blade 1 and a blade base 2, one end of the main shaft 19 is connected to the blade base 2 through a connecting key 12, and the blade base 2 is hinged with the blade 1 through a connecting piece 301. The left piston rod 101 of the double-acting single-piston hydraulic cylinder 7 is connected to the outside of the rolling bearing 4 through a connecting hinge support 501, and the connecting rod 3 is hinged with the blade 1 and the connecting hinge support 501, respectively. The double-acting single-piston hydraulic cylinder 7 is used to drive the rolling bearing 4 to move left and right while driving the single-rod hydraulic cylinder piston 17 of the single-rod hydraulic cylinder 16 to move left and right, and the rolling bearing 4 is used to drive the connecting rod 3 and pull and push the blade 1 to fold and unfold the inclination angle around the connecting piece 301.

[0032] In the scheme, one end of the connecting rod 3 is connected with the edge part of the blade 1, and the other end extends towards the lower right, and is hingedly connected with the rolling bearing 4 through the connecting hinge support 501 with a mounting hole and a hinge structure, the connecting hinge support 501 is between the connecting rod 3 and the rolling bearing 4, and the stability of the connection is guaranteed; the rolling bearing 4 is sleeved on the horizontally placed main shaft 19 and located on the outer side of the main shaft 19, so that the connecting rod 3 can smoothly move; in this way, the blade 1 can be flexibly rotated relative to the blade base 2, and the fan inclination angle is adjusted under the action of the rolling bearing 4.

[0033] As shown in the accompanying drawings, Figure 2 In another specific embodiment based on the above, it further includes a reversing valve 8, a mercury temperature sensing device 9 and a hydraulic pump, the double-acting single-piston hydraulic cylinder 7 is connected with the hydraulic pump through the reversing valve 8, the reversing valve 8 is connected with the mercury temperature sensing device 9, the mercury temperature sensing device 9 is used for sensing temperature and driving the valve body of the reversing valve 8 to move, and the valve body movement is used for switching the oil injection of the hydraulic pump to the left cavity 701 or the right cavity 702 of the double-acting single-piston hydraulic cylinder 7.

[0034] In further embodiments based on the above, the reversing valve 8 adopts a two-position four-way reversing valve, the output end of the valve body of the reversing valve 8 is connected with the mercury temperature sensing device 9, and the output end of the valve body of the reversing valve 8 is connected with a floating ball extending into the inside of the mercury temperature sensing device 9, the inside of the mercury temperature sensing device 9 is filled with mercury, the mercury is used for sensing temperature to produce volume change and drive the floating ball to move up or not to prevent the floating ball from moving down, and the valve body can move down under the action of its own weight or the weight of the floating ball.

[0035] The hydraulic pump is a gear pump 11, which is used to connect the reversing valve 8 and the oil tank 13 and transport hydraulic oil.

[0036] The hydraulic circuit of the gear pump 11 is further provided with an overflow valve 10.

[0037] The reversing valve 8 can adopt a standard two-position four-way reversing valve of Bosch Rexroth 4WE6J series.

[0038] In the scheme, the gear pump 11 is connected with the oil tank 13 through a pipeline, as the power source of the whole hydraulic circuit, the oil in the oil tank 13 is extracted and transported to the hydraulic circuit. The overflow valve 10 is installed at the upper output position of the gear pump 11, when the system pressure exceeds the preset value, the overflow valve 10 will be opened, and the excess oil will flow back to the oil tank 13, preventing the system from overloading. The reversing valve 8 can change the oil flow path by moving the valve core up and down, so as to realize the switching operation of different working states. The reversing valve 8 is connected with the mercury temperature sensing device 9, which is composed of mercury liquid, float ball and connecting rod. With the characteristics of thermal expansion and cold contraction of mercury, the float ball drives the connecting rod to control the reversing of the reversing valve 8, which can automatically control the working state of the hydraulic system according to the temperature. The double-acting single-piston hydraulic cylinder piston 6 in the double-acting single-piston hydraulic cylinder 7 is installed in the middle position of the cylinder, which is divided into left cavity 701 on the left side and right cavity 702 on the right side. The left piston rod 101 is fixed on the right surface of the rolling bearing 4 or installed on the connecting hinge support 501, and the right piston rod 102 extends to the right side and is connected with the piston rod of the single-rod piston hydraulic cylinder 16 through the piston connecting rod 5. The piston rod is driven to move by the pressure of the hydraulic oil, and then the fan angle is adjusted.

[0039] The present application can set different travel switches as needed, which is convenient for accurate control. Specifically, in one embodiment, the following is provided:

[0040] During the driving process of the automobile, the device can adjust the use angle of the fan in real time according to the temperature of the battery box, so as to ensure that the best heat dissipation effect can be achieved under different conditions.

[0041] In the initial state:

[0042] The blade 1 is tilted to the horizontal closed state, the valve core in the reversing valve 8 contacts the travel switch SQ2202, the single-rod piston hydraulic cylinder piston 17 stays at the rightmost end of the single-rod piston hydraulic cylinder 16, and the liquid level of the electrolyte 14 is at the lowest state. At this time, the circuit is disconnected, and the motor 18 stops rotating.

[0043] When the temperature rises:

[0044] As shown in the accompanying Figure 3As shown, when the vehicle is running, the mercury temperature sensing device 9 senses the temperature change of the battery box, when the temperature rises, the mercury volume expands, the float ball pushes the valve body to rise, until the reversing valve 8 inside A and P are communicated, B and O are communicated, the travel switch SQ1201 acts, the control gear pump 11 opens, and oil is supplied to the hydraulic circuit. With the operation of the oil circuit, the oil enters the right cavity 702, the pressure in the right cavity 702 rises, the double-acting single-piston hydraulic cylinder piston 6 moves to the left end 401 of the double-acting single-piston hydraulic cylinder, the left piston rod 101 drives the rolling bearing 4 to move left, and the opening and closing angle of the blade 1 gradually increases. The single-rod piston hydraulic cylinder piston 17 moves left at the same time, the left chamber 801 volume becomes smaller, the electrolyte 14 liquid level rises, the electrolyte 14 contacts the circuit, the circuit is connected, and the motor 18 starts. When the rod touches the travel switch SQ3203, the gear pump 11 stops, and the piston connecting rod 5 stops moving, which can prevent the piston connecting rod 5 from moving excessively, causing the blade 1 angle to be greater than 90 degrees, so as to achieve the best heat dissipation effect.

[0045] When the temperature decreases:

[0046] As shown in the accompanying Figure 4 When the fan works for a period of time, the temperature decreases, the mercury volume shrinks, the float ball descends, drives the reversing valve 8 to change the oil circuit direction, the oil enters the left cavity 701, the pressure in the left cavity 701 rises, the double-acting single-piston hydraulic cylinder piston 6 moves to the right end 402 of the double-acting single-piston hydraulic cylinder, the right piston rod 102 drives the rolling bearing 4 to move right, and the opening and closing angle of the blade 1 decreases. The single-rod piston hydraulic cylinder piston 17 moves right at the same time, the rod touches the travel switch SQ4204, the gear pump 11 stops, the left chamber 801 volume becomes larger, the electrolyte 14 liquid level drops, the electrolyte is separated from the circuit, the circuit is disconnected, the air volume decreases, and the energy consumption is effectively reduced.

[0047] It should be noted that the terms such as "upper", "lower", "left", "right", "front", "rear" and the like cited in the utility model are only for the convenience of clear description, and are not used to limit the scope of the utility model. The change or adjustment of the relative relationship is also considered as the scope of the utility model without substantial change of the technical content.

[0048] The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited to the above-mentioned embodiments. Any technical solution belonging to the utility model idea is within the protection scope of the utility model. It should be noted that some improvements and decorations without departing from the principle of the utility model are considered as the protection scope of the utility model.

Claims

1. A battery air-cooled heat dissipation device, characterized in that: The system includes a fan structure, a rolling bearing (4), a connecting rod (3), a main shaft (19), a double-acting single-piston hydraulic cylinder (7), a single-rod piston hydraulic cylinder (16), a piston connecting rod (5), and a motor (18). One end of the main shaft (19) is connected to the fan structure, which has rotatable blades (1). The rolling bearing (4) is slidably fitted on the side of the main shaft (19) away from the fan structure. The connecting rod (3) is hinged to the outer side of the blades (1) and the rolling bearing (4), respectively. The other end of the main shaft (19) is connected to the motor (18) used to drive the main shaft (19) to rotate the fan structure. The upper end of the left chamber (801) inside the single-rod piston hydraulic cylinder (16) is connected to the right chamber. The power supply circuit of the motor (18) is connected in series on the upper and lower sides of the left chamber (801), and the left chamber (801) is filled with electrolyte (14). The piston rod of the single-rod piston hydraulic cylinder (16) is connected to the right piston rod (102) of the double-acting single-piston hydraulic cylinder (7) through the piston connecting rod (5). The left piston rod (101) of the double-acting single-piston hydraulic cylinder (7) is connected to the outside of the rolling bearing (4). The double-acting single-piston hydraulic cylinder (7) is used to drive the single-rod piston hydraulic cylinder piston (17) of the single-rod piston hydraulic cylinder (16) and the rolling bearing (4) to move left and right. The rolling bearing (4) is used to drive the connecting rod (3) to pull and push the blade (1) to tilt and extend.

2. The battery air-cooled heat dissipation device according to claim 1, characterized in that: The power supply circuit also includes a power source (15), which is connected in series in the power supply circuit of the motor (18) for power supply.

3. The battery air-cooled heat dissipation device according to claim 1, characterized in that: The motor (18) is connected to the main shaft (19) via a coupling (20).

4. The battery air-cooled heat dissipation device according to claim 1, characterized in that: The fan structure also includes a blade base (2), one end of the main shaft (19) is connected to the blade base (2), and the side of the blade base (2) is hinged with a blade (1) through a connector (301).

5. A battery air-cooled heat dissipation device according to claim 4, characterized in that: The main shaft (19) is connected to the blade base (2) by a connecting key (12).

6. The battery air-cooled heat dissipation device according to claim 1, characterized in that: It also includes a reversing valve (8), a mercury temperature sensing device (9) and a hydraulic pump. The double-acting single-piston hydraulic cylinder (7) is connected to the hydraulic pump through the reversing valve (8). The reversing valve (8) is connected to the mercury temperature sensing device (9). The mercury temperature sensing device (9) is used to sense the temperature and drive the valve body of the reversing valve (8) to move. The movement of the valve body is used to switch the hydraulic pump to inject oil into the left chamber (701) or the right chamber (702) of the double-acting single-piston hydraulic cylinder (7).

7. A battery air-cooled heat dissipation device according to claim 6, characterized in that: The reversing valve (8) is a two-position four-way reversing valve. The output end of the valve body of the reversing valve (8) is connected to the mercury temperature sensing device (9), and the output end of the valve body of the reversing valve (8) is connected to a float that extends into the mercury temperature sensing device (9). The mercury temperature sensing device (9) is filled with mercury. The mercury is used to sense temperature to generate volume change and drive the float to move upward or not prevent the float from moving downward.

8. A battery air-cooled heat dissipation device according to claim 6, characterized in that: The hydraulic pump is a gear pump (11), which is used to connect the directional valve (8) and the oil tank (13) and to transport hydraulic oil.

9. A battery air-cooled heat dissipation device according to claim 8, characterized in that: The gear pump (11) is also equipped with an overflow valve (10) in its hydraulic circuit.

10. A battery air-cooled heat dissipation device according to claim 6, characterized in that: The directional valve (8) is a standard two-position four-way directional valve from the Bosch Rexroth 4WE6J series.

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