Extrusion testing device for energy storage battery

Abstract

The utility model relates to the technical field of energy storage batteries, and discloses an energy storage battery extrusion testing device which comprises a testing box and a box door rotationally connected to one side of the testing box, an observation window is arranged on the inner side of the box door, and a clamping mechanism is installed at the lower end of the interior of the testing box. A fire-fighting mechanism and an extrusion mechanism are embedded in the upper end of the test box, and the fire-fighting mechanism comprises a water tank and a fire extinguisher. According to the utility model, the energy storage battery is clamped through the forward clamping frame and the reverse clamping frame in the clamping mechanism, so that the energy storage battery is prevented from displacing during an extrusion test; a pressing head can move in the front-back direction through a ball motor, a ball screw and a sliding block in the extrusion mechanism, the pressing head is driven by a hydraulic cylinder to move up and down in the vertical direction, and then different positions of the energy storage battery can be extruded through the pressing head; fire fighting water or a foam extinguishing agent is sprayed out through the fire fighting mechanism, and when the energy storage battery is on fire, spraying fire extinguishing or oxygen insulation suffocation fire extinguishing is carried out on the energy storage battery.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage battery technical field, concretely is a kind of energy storage battery extrusion testing device. BACKGROUND

[0002] The main role of energy storage battery includes balancing energy supply and demand, improving energy utilization and ensuring the stability and reliability of power supply; in the field of renewable energy, energy storage battery can store the electric energy generated by solar energy and wind energy, thereby optimizing energy supply and reserve, and improving energy utilization. In the power grid system, energy storage battery can smooth power fluctuation, ensure the stability and reliability of power supply, and reduce the demand for new power generation and transmission facilities; in order to protect the safety and stability of battery; it is necessary to simulate the extrusion condition in the actual use scene, detect the extrusion resistance and structural stability of battery pack, and ensure the safety and stability of battery in use.

[0003] Chinese patent discloses a kind of power battery extrusion testing device (authorized announcement number CN213275183U), the patent technology simple structure is stable, convenient to operate and easy to maintain, effectively solve the problem of complex structure and inconvenient operation and maintenance of existing cylindrical lithium battery extrusion testing device, but it is not convenient to extrude different positions of battery, and battery cannot be extinguished when battery is on fire. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of energy storage battery extrusion testing device to solve the problems raised in the above background.

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

[0006] A kind of energy storage battery extrusion testing device, including test box, and the door of box rotationally connected in the one side of test box, the inside of door is provided with observation window, the lower end of the inside of test box is installed with clamping mechanism, and fire-fighting mechanism and extrusion mechanism are embedded and installed in the upper end of test box, the fire-fighting mechanism includes water tank and fire extinguisher, the upper end of water tank is installed with water pump, the input end of water pump is embedded in the lower end of the inside of water tank, and water suction pipe is connected to the output end of water pump, the output end of fire extinguisher is connected with powder spraying pipe, one end of water suction pipe and powder spraying pipe is commonly connected with horizontal pipe, electromagnetic valve is installed on the horizontal pipe, and a group of vertical pipes are installed on the front and rear sides of one end of horizontal pipe close to electromagnetic valve, a plurality of spray heads are installed on each vertical pipe.

[0007] As a further scheme of the utility model: the outside of horizontal pipe is installed with a group of hangers, the upper end of hanger is fixedly installed on the upper end of the inside of test box, water tank and fire extinguisher are located on the outside of test box.

[0008] As a further scheme of the utility model: the extrusion mechanism includes portal frame, the upper end of portal frame is embedded and is installed with a group of hydraulic cylinders, the output end of a group of hydraulic cylinders is connected with sliding frame in common, the inside of sliding frame is provided with sliding rod and ball screw in parallel, sliding rod and ball screw are installed with sliding block in common, one end of ball screw is installed with ball motor, the lower end of sliding block is installed with pressure rod, the inside of pressure rod is installed with pressure sensor, and the bottom end of pressure rod is installed with pressure head.

[0009] As a further scheme of the utility model: the cylinder part of hydraulic cylinder is fixedly installed at the top of test box, and the portal frame is fixedly installed at the upper end of the inside of test box.

[0010] As a further scheme of the utility model: the clamping mechanism includes screw rod and guiding rod arranged in parallel with screw rod, the screw rod includes forward screw rod and reverse screw rod fixedly connected together, one end of forward screw rod is fixedly connected with clamping motor, and forward nut pair is engagedly connected on forward screw rod, the outside of forward nut pair is fixedly connected with forward clamping frame, one end of reverse screw rod is installed with bearing seat, and reverse nut pair is engagedly connected on reverse screw rod, the outside of reverse nut pair is fixedly connected with reverse clamping frame.

[0011] As a further scheme of the utility model: the front end of forward clamping frame and reverse nut pair is slidably connected with guiding rod, and the both ends of guiding rod are fixedly connected with guiding seat.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses a forward clamping frame and reverse clamping frame in clamping mechanism clamp energy storage battery, avoid its displacement when extruding test, through the ball motor of extrusion mechanism, ball screw and sliding block can make pressure head move in the front and back direction, through the hydraulic cylinder drive pressure head moves up and down in the vertical direction, and then can realize the extrusion of different positions of energy storage battery through pressure head, through the fire-fighting mechanism and sprays fire-fighting water or foam extinguishing agent, when energy storage battery occurs the phenomenon of fire, sprays energy storage battery and extinguishes fire or oxygen asphyxia fire. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a kind of energy storage battery extrusion test device's structural schematic diagram;

[0015] Figure 2 It is a kind of energy storage battery extrusion test device's structural schematic diagram;

[0016] Figure 3It is a kind of energy storage battery extrusion testing device in the structure diagram of extrusion mechanism;

[0017] Figure 4 It is a kind of energy storage battery extrusion testing device in the structure diagram of fire-fighting mechanism.

[0018] In the figure: 1, test box; 2, fire-fighting mechanism; 21, water tank; 22, water pump; 23, water suction pipe; 24, transverse pipe; 25, electromagnetic valve; 26, powder spraying pipe; 27, fire extinguisher; 28, vertical pipe; 29, nozzle; 20, hanger; 3, extrusion mechanism; 31, gantry; 32, hydraulic cylinder; 33, sliding rod; 34, sliding frame; 35, sliding block; 36, pressure sensor; 37, pressure rod; 38, pressure head; 39, ball screw; 30, ball screw motor; 4, observation window; 5, box door; 6, clamping mechanism; 61, clamping motor; 62, forward screw; 63, forward nut pair; 64, reverse nut pair; 65, bearing seat; 66, reverse clamping frame; 67, reverse screw; 68, guide rod; 69, guide seat; 60, forward clamping frame. DETAILED DESCRIPTION

[0019] Please refer to Figures 1-4 In the utility model embodiment, a kind of energy storage battery extrusion testing device, including test box 1, and the box door 5 of rotation connection in the one side of test box 1, the inside of box door 5 is provided with observation window 4, the extrusion test situation of energy storage battery in test box 1 can be observed by observation window 4;The lower end of the inside of test box 1 is equipped with clamping mechanism 6, and fire-fighting mechanism 2 and extrusion mechanism 3 are embedded and installed in the upper end of test box 1.

[0020] In Figure 1 And Figure 2 In the clamping mechanism 6, screw rod and guide rod 68 are arranged in parallel with screw rod, screw rod includes forward screw 62 and reverse screw 67 fixedly connected together, one end of forward screw 62 is fixedly connected with clamping motor 61, and forward nut pair 63 is engagedly connected on forward screw 62, the outside of forward nut pair 63 is fixedly connected with forward clamping frame 60, one end of reverse screw 67 is equipped with bearing seat 65, and reverse nut pair 64 is engagedly connected on reverse screw 67, the outside of reverse nut pair 64 is fixedly connected with reverse clamping frame 66, the front end of forward clamping frame 60 and reverse nut pair 64 is slidably connected with guide rod 68, both ends of guide rod 68 are fixedly connected with guide seat 69, forward screw 62 and reverse screw 67 are driven to rotate by clamping motor 61, to make forward nut pair 63 and reverse nut pair 64 relative motion, in turn drive forward clamping frame 60 and reverse clamping frame 66 to move along guide rod 68, the energy storage battery placed on the inside can be clamped by forward clamping frame 60 and reverse clamping frame 66, to avoid displacement when extrusion test.

[0021] In Figure 1 and Figure 3 , the extrusion mechanism 3 comprises a portal frame 31, the upper end of the portal frame 31 is embeddedly installed with a set of hydraulic cylinders 32, the output ends of the set of hydraulic cylinders 32 are commonly connected with a sliding frame 34, the inner side of the sliding frame 34 is provided in parallel with a sliding rod 33 and a ball screw 39, the sliding rod 33 and the ball screw 39 are commonly installed with a sliding block 35, one end of the ball screw 39 is installed with a ball screw motor 30, the lower end of the sliding block 35 is installed with a pressure rod 37, the inner side of the pressure rod 37 is installed with a pressure sensor 36, and the bottom end of the pressure rod 37 is installed with a pressure head 38, the barrel part of the hydraulic cylinder 32 is fixedly installed at the top end of the test box 1, the portal frame 31 is fixedly installed at the upper end of the inner side of the test box 1, the sliding frame 34 can be driven to move up and down in the vertical direction through the extension and retraction of the hydraulic cylinder 32, thereby driving the pressure head 38 to move up and down, and the energy storage battery is extruded through the pressure head 38, and the pressure sensor 36 records the pressure when the energy storage battery deforms during extrusion; the ball screw motor 30 drives the ball screw 39 to rotate, so that the sliding block 35 moves back and forth along the sliding rod 33, thereby making the pressure head 38 move in the front and back direction, so that the pressure head 38 can be moved to different positions above the energy storage battery, and the different positions of the energy storage battery are extruded through the pressure head 38.

[0022] In Figure 1 and Figure 4In the specific embodiment, the fire-fighting mechanism 2 comprises a water tank 21 and a fire extinguisher 27, the upper end of the water tank 21 is provided with a water pump 22, the input end of the water pump 22 is embedded in the lower end of the inside of the water tank 21, and the output end of the water pump 22 is connected with a water suction pipe 23, the output end of the fire extinguisher 27 is connected with a powder spraying pipe 26, one end of the water suction pipe 23 and the powder spraying pipe 26 is jointly connected with a transverse pipe 24, the transverse pipe 24 is provided with an electromagnetic valve 25, and a group of vertical pipes 28 are arranged on the front and back sides of one end of the transverse pipe 24 close to the electromagnetic valve 25, a plurality of spray heads 29 are arranged on each vertical pipe 28, a group of hangers 20 are arranged on the outer side of the transverse pipe 24, the upper end of the hanger 20 is fixedly arranged on the upper end of the inner side of the test box 1, so that the vertical pipe 28 and the spray head 29 are hung on the upper end of the inner side of the test box 1; the water tank 21 and the fire extinguisher 27 are located on the outer side of the test box 1, after the water pump 22 is started, the fire-fighting water in the water tank 21 is pumped out through the water pump 22, and then the fire-fighting water enters the water suction pipe 23, the transverse pipe 24 and the vertical pipe 28 in sequence and is sprayed from the spray head 29 to extinguish the fire of the energy storage battery in the test box 1; or after the valve on the fire extinguisher 27 is opened, the foam extinguishing agent in the fire extinguisher 27 enters the powder spraying pipe 26, the transverse pipe 24 and the vertical pipe 28 in sequence and is sprayed from the spray head 29 to extinguish the fire of the battery in the test box 1 by oxygen exclusion asphyxiation; when the electromagnetic valve 25 is closed, the fire-fighting water and the foam extinguishing agent can be sprayed from the spray head 29 on one vertical pipe 28 alone, and when the electromagnetic valve 25 is opened, the fire-fighting water or the foam extinguishing agent can be sprayed from the spray head 29 on two vertical pipes 28 after the water pump 22 is started or the valve on the fire extinguisher 27 is opened.

[0023] The working principle of the utility model is: firstly, the energy storage battery to be tested is placed between the forward clamping frame 60 and the reverse clamping frame 66, then the clamping motor 61 is started, the forward screw rod 62 and the reverse screw rod 67 are driven to rotate together, so that the forward nut pair 63 and the reverse nut pair 64 move relatively, and then the forward clamping frame 60 and the reverse clamping frame 66 move relatively along the guide rod 68, and the energy storage battery is clamped by the forward clamping frame 60 and the reverse clamping frame 66;

[0024] Then, the box door 5 is closed, and the ball screw motor 30 is started, the ball screw motor 30 drives the ball screw rod 39 to rotate, so that the sliding block 35 moves back and forth along the slide rod 33, and then the pressure head 38 moves in the front and back directions, and the pressure head 38 is moved to the corresponding position above the energy storage battery;

[0025] Then, the hydraulic cylinder 32 is started, the hydraulic cylinder 32 is elongated, drives the sliding frame 34 to move downward in the vertical direction, and then drives the pressure head 38 to move downward, the energy storage battery is extruded by the pressure head 38, and the pressure of the energy storage battery when deforming in the extruding process is recorded by the pressure sensor 36;

[0026] The ball screw 39 is driven to rotate by the ball motor 30, so that the sliding block 35 moves along the slide rod 33, and the pressing head 38 moves in the front and back direction, so that the pressing head 38 can be moved to different positions above the energy storage battery, and different positions of the energy storage battery are extruded by the pressing head 38.

[0027] If the energy storage battery catches fire during the extrusion process, the fire-fighting water in the water tank 21 is pumped out by the water pump 22, and the fire-fighting water is sprayed from the spray head 29 after sequentially entering the water suction pipe 23, the horizontal pipe 24 and the vertical pipe 28, so as to spray and extinguish the fire of the battery in the test box 1; or, the valve on the fire extinguisher 27 is opened, so that the foam extinguishing agent in the fire extinguisher 27 enters the powder spraying pipe 26, the horizontal pipe 24 and the vertical pipe 28 in sequence, and is sprayed from the spray head 29, so as to oxygen-isolate and suffocate the fire of the battery in the test box 1.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A kind of energy storage battery extrusion testing device, including test box (1), and the box door (5) of rotation connection in the one side of test box (1), the inside of the box door (5) is provided with observation window (4), it is characterized in that, The lower end of the inside of the test box (1) is provided with a clamping mechanism (6), and the upper end of the test box (1) is embedded with a fire-fighting mechanism (2) and a extrusion mechanism (3), the fire-fighting mechanism (2) comprises a water tank (21) and a fire extinguisher (27), the upper end of the water tank (21) is provided with a water pump (22), the input end of the water pump (22) is embedded in the lower end of the inside of the water tank (21), and the output end of the water pump (22) is connected with a water suction pipe (23), the output end of the fire extinguisher (27) is connected with a powder spraying pipe (26), one end of the water suction pipe (23) and the powder spraying pipe (26) is commonly connected with a transverse pipe (24), the transverse pipe (24) is provided with an electromagnetic valve (25), and a group of vertical pipes (28) are arranged on one end of the transverse pipe (24) near the front and back sides of the electromagnetic valve (25), and a plurality of nozzles (29) are arranged on each vertical pipe (28).

2. The energy storage battery extrusion testing device of claim 1, wherein, A group of hangers (20) are arranged on the outside of the transverse pipe (24), the upper end of the hanger (20) is fixedly arranged on the upper end of the inside of the test box (1), and the water tank (21) and the fire extinguisher (27) are arranged on the outside of the test box (1).

3. The energy storage battery extrusion testing device of claim 1, wherein, The extrusion mechanism (3) comprises a gantry (31), a group of hydraulic cylinders (32) are embedded on the upper end of the gantry (31), the output ends of a group of the hydraulic cylinders (32) are commonly connected with a sliding frame (34), the inside of the sliding frame (34) is provided in parallel with a sliding rod (33) and a ball screw (39), the sliding rod (33) and the ball screw (39) are commonly provided with a sliding block (35), one end of the ball screw (39) is provided with a ball screw motor (30), the lower end of the sliding block (35) is provided with a pressure rod (37), the inside of the pressure rod (37) is provided with a pressure sensor (36), and the bottom end of the pressure rod (37) is provided with a pressure head (38).

4. The energy storage battery extrusion testing device of claim 3, wherein, The cylinder part of the hydraulic cylinder (32) is fixedly arranged on the top end of the test box (1), and the gantry (31) is fixedly arranged on the upper end of the inside of the test box (1).

5. The energy storage battery extrusion testing device of claim 1, wherein, The clamping mechanism (6) comprises a lead screw and a guide rod (68) arranged in parallel with the lead screw, the lead screw comprises a forward lead screw (62) and a reverse lead screw (67) fixedly connected together, one end of the forward lead screw (62) is fixedly connected with a clamping motor (61), and a forward nut pair (63) is engagedly connected on the forward lead screw (62), the outside of the forward nut pair (63) is fixedly connected with a forward clamping frame (60), one end of the reverse lead screw (67) is provided with a bearing seat (65), and a reverse nut pair (64) is engagedly connected on the reverse lead screw (67), the outside of the reverse nut pair (64) is fixedly connected with a reverse clamping frame (66).

6. An energy storage battery extrusion testing device as defined in claim 5, wherein, The front ends of the forward clamping frame (60) and the reverse nut pair (64) are slidably connected with the guide rod (68), and both ends of the guide rod (68) are fixedly connected with guide seats (69).

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