Hybrid power supply module and packaging method thereof

Abstract

The invention relates to the technical field of power supply modules, in particular to a hybrid power supply module and a packaging method thereof. According to the technical scheme, the battery pack comprises a case, two battery racks fixedly mounted in the case, a plurality of batteries fixedly mounted between the two battery racks, and a series module for connecting the plurality of batteries in series, the series module comprises a connection contact fixedly mounted on a battery electrode and a connector electrically connected with the connection contact, gas boxes are fixedly mounted at two ends of the battery, high-pressure gas is filled in the gas boxes, wood alloy for blocking the high-pressure gas is arranged in the gas boxes, the melting point of the wood alloy is 70-90 DEG C, and the connector is electrically connected with the connection contact. And after the Wood alloy is melted, the connecting contact and the connector are separated under the action of high-pressure gas. When one battery is damaged and overheated, the series connection can be quickly cut off, the overload influence of a fault battery on a healthy battery can be immediately eliminated, and the fault is prevented from being diffused to the whole battery pack from a single battery.

Description

Technical Field

[0001] The present invention relates to the technical field of power modules, and in particular to a hybrid power module and a packaging method thereof. Background Art

[0002] A hybrid power module integrates different power technologies (such as switching power supplies, linear power supplies, batteries, and supercapacitors) into a single module, working together to achieve an efficient, stable, and flexible power supply solution. In a purely series-connected battery pack, the battery holder holes are designed to be arranged in a single or multiple rows, and the tabs are connected in series via copper busbars. This makes it suitable for systems requiring high-voltage input.

[0003] When a battery in a series-connected module fails, key internal conditions such as voltage, current, temperature, internal resistance, and pressure change significantly. The terminal voltage of the faulty battery plummets to near 0V (internal resistance approaches 0, effectively being "bypassed"). Since the total voltage of healthy batteries remains unchanged (the total voltage in series is the sum of the individual cells), the voltage of the faulty battery is distributed to the other healthy batteries, causing their terminal voltage to exceed the rated value (for example, a lithium battery exceeding the 4.2V overcharge threshold), resulting in an "overvoltage condition."

[0004] In a series battery pack, each cell draws the same current, and the total voltage is the sum of the cell voltages. If a cell experiences a short circuit (e.g., an internal plate short), its terminal voltage drops sharply, forcing other healthy cells to output a higher current to maintain the total voltage. This causes overcurrent and heating, potentially leading to electrolyte decomposition, electrode material degradation, and even thermal runaway (a sharp increase in temperature) in other cells. Summary of the Invention

[0005] The purpose of the present invention is to address the problems existing in the background technology and propose a hybrid power supply module and its packaging method that can quickly cut off the series connection to immediately eliminate the overload effect of the faulty battery on the healthy battery, avoid the fault from spreading from a single battery to the entire battery pack, and prevent the chain damage of "one hair moving the whole body".

[0006] The technical solution of the present invention: On the one hand, the present invention provides a hybrid power supply module, including a chassis, two battery racks fixedly installed inside the chassis, and multiple batteries fixedly installed between the two battery racks, and further comprising: A series module, wherein the series module connects multiple batteries in series, the series module includes connection contacts fixedly mounted on the battery electrodes, and connectors electrically connected to the connection contacts. Gas boxes are fixedly mounted at both ends of the battery, the gas boxes are filled with high-pressure gas, and the gas boxes are provided with Wood's metal to block the high-pressure gas. The melting point of the Wood's metal is 70°C-90°C. After the Wood's metal melts, the connection contacts and connectors are separated under the action of the high-pressure gas. A tripping component is installed inside the chassis and connected to the connector. When any Wood's metal melts, the tripping component drives all disconnecting contacts and the connector to separate.

[0007] Optionally, two adjacent connectors are fixedly connected via a connecting bridge, and the connecting bridge is electrically connected to the connector.

[0008] Optionally, the gas box is provided with a first one-way valve, which allows gas to enter the gas box in one direction. An L-shaped exhaust port is provided at one end of the gas box close to the battery, and the Wood's metal is L-shaped and located inside the L-shaped exhaust port.

[0009] Optionally, the series module also includes multiple slides installed inside the chassis, a slider is slidably installed in the slide, a pull rod is fixedly installed on the slider, the pull rod is fixedly connected to the connecting bridge through an insulating pad, an air pipe is fixedly installed on the L-shaped exhaust port, the other end of the air pipe is connected to the slide, an elastic sealing ring is fixedly installed on the slider, and a raised ring is provided in the slide.

[0010] Optionally, the tripping component includes a support plate fixedly installed inside the chassis, with limiting plates fixedly installed on both sides of the support plate, limiting holes being provided on the limiting plates, a separation plate being slidably installed on the support plate, a plurality of tension springs applying tension to the support plate being fixedly installed between the separation plate and the support plate, a limiting rod being slidably installed on the separation plate, and the tripping component also includes a separation mechanism for driving the limiting rod to disengage from the limiting hole according to any melting state of Wood's alloy.

[0011] Optionally, the separation mechanism includes a driving cylinder fixedly mounted on a separation plate, a sealing block being slidably mounted in the driving cylinder, the sealing block being fixedly connected to the limiting rod, a spring being fixedly mounted between the sealing block and the driving cylinder, a connecting pipe being provided on the driving cylinder, a valve being provided on the connecting pipe, the connecting pipe and the driving cylinder being filled with compressed gas, and an opening and closing mechanism for controlling the sealing of the valve being installed on the separation plate.

[0012] Optionally, the valve includes a valve body and a valve core rotatably mounted inside the valve body, and a drive shaft is fixedly mounted on the valve core.

[0013] Optionally, the opening and closing mechanism includes a driving ring fixedly mounted on the valve body, a first sealing plate fixedly mounted inside the driving ring, a connecting block fixedly mounted on the driving shaft, a second sealing plate fixedly mounted on the connecting block, a limiting block fixedly mounted on the second sealing plate, the first sealing plate and the second sealing plate divide the interior of the driving ring into two air cavities, and the driving ring is provided with two air nozzles connected to the air cavities.

[0014] Optionally, the opening and closing mechanism also includes a transmission cylinder fixedly mounted on the separation plate, a partition plate is slidably mounted on the transmission cylinder, and delivery pipes are fixedly mounted on both air nozzles, the delivery pipes are respectively connected to the two ends of the transmission cylinder, a pressure rod is fixedly mounted on the partition plate, an air intake cylinder is fixedly mounted on the separation plate, a sealing plate fixedly connected to the pressure rod is slidably mounted in the air intake cylinder, the bottom end of the air intake cylinder is connected to an air intake connecting box, a plurality of second one-way valves are fixedly mounted on the air intake connecting box, a three-way joint is provided at one end of the sliding cylinder, a pipeline is fixedly mounted on the three-way joint, and the pipeline corresponds to the second one-way valve one by one and is fixedly connected.

[0015] In another aspect, the present invention provides a hybrid power packaging method, which is applied to the hybrid power module described above. The method comprises the following steps: Step 1: Install the batteries between the two battery racks in sequence, and fix the two battery racks after installation; Step 2: Spot weld the connection contacts on the battery and assemble the series module and trip components; Step 3: Wrap the outside of the battery with an epoxy resin sheet to isolate the battery from external conductors; Step 4: Securely connect the assembled battery, series modules, and trip components to the chassis; Step 5: Fill the gap between the chassis and the battery with shock-absorbing material, and then seal the chassis.

[0016] In summary, this application includes at least one of the following beneficial technical effects: When one of the batteries in this power module is damaged and overheats, it can quickly cut off the series connection, immediately eliminating the overload impact of the faulty battery on healthy batteries, preventing the fault from spreading from a single battery to the entire battery pack, and preventing chain damage such as "one move affects the entire body". It can minimize losses and lay the foundation for subsequent repairs and safe system operation.

[0017] The hybrid power module of the present invention achieves rapid fault isolation by integrating the safety protection design of secondary batteries (such as lithium batteries). It is particularly suitable for lithium battery packs that are sensitive to thermal runaway, and provides an innovative solution for battery system reliability in the new energy field. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the power module structure Figure 1 ; Figure 2 Schematic diagram of the power module structure Figure 2 ; Figure 3 Schematic diagram of the power module structure Figure 3 ; Figure 4 This is a connection diagram of the connecting bridge; Figure 5 Schematic diagram of the structure of series modules Figure 1 ; Figure 6 Schematic diagram of the structure of series modules Figure 2 ; Figure 7 for Figure 6 A partial enlarged view of point A in the middle; Figure 8 Schematic diagram of the position of the limiting hole and the limiting rod; Figure 9 Schematic diagram of the structure of the tripping component; Figure 10 for Figure 9 A partial enlarged view of point A in the middle; Figure 11 Schematic diagram of the position of the gas nozzle; Figure 12 Schematic diagram of the structure of the air cavity; Figure 13 It is a schematic diagram of the transmission cylinder and intake cylinder structure; Figure 14 This is a schematic diagram of the pipeline connection.

[0019] Figure 1: Chassis; 101: Battery rack; 102: Battery; 2: Series module; 201: Connection contact; 202: Connector; 203: Connection bridge; 204: Air box; 205: First one-way valve; 206: L-shaped exhaust port; 207: Wood's metal; 208: Air pipe; 209: Slide cylinder; 210: Slider; 211: Pull rod; 212: Insulation pad; 213: Sealing ring; 214: Raised ring; 3: Tripping component; 301: Support plate; 302: Limiting plate; 303: Limiting hole; 304: Separating plate; 305: Limiting rod; 306: Driving cylinder; 307: Sealing block; 308, connecting pipe; 309, valve; 3091, valve body; 3092, valve core; 3093, drive shaft; 310, drive ring; 311, first sealing plate; 312, connecting block; 313, second sealing plate; 314, limit block; 315, air cavity; 316, air nozzle; 317, transmission cylinder; 318, partition; 319, delivery pipe; 320, pressure rod; 321, air intake cylinder; 322, sealing plate; 323, air intake connecting box; 324, second one-way valve; 325, three-way joint; 326, pipeline; 327, tension spring; 328, spring; 4, epoxy resin board. DETAILED DESCRIPTION

[0020] The technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.

[0021] like Figures 1 to 7As shown, the present invention provides a hybrid power module, comprising a chassis 1, two battery racks 101 fixedly mounted within the chassis 1, and multiple batteries 102 fixedly mounted between the two battery racks 101. Batteries 102 are preferably lithium-ion batteries (a typical secondary battery) with high energy density and cycle life. During the packaging process, the battery racks 101 secure the multiple cylindrical batteries to preset positions using pre-designed holes or slots, ensuring consistency in battery spacing and tab orientation, and preventing welding or assembly failures due to misalignment. The battery racks 101 absorb external vibration energy through rigid or elastic structures, preventing electrode breakage or short circuits caused by displacement during packaging or subsequent use.

[0022] In this embodiment, the hybrid power module also includes a series module 2, which connects multiple batteries 102 in series. The series module 2 includes a connection contact 201 fixedly installed on the electrode of the battery 102, and a connector 202 electrically connected to the connection contact 201. Gas boxes 204 are fixedly installed at both ends of the battery 102. When the battery 102 heats up abnormally, the temperature of the battery will accumulate at both ends and be transferred to the gas box 204 through heat conduction. The gas box 204 is made of a material with good thermal conductivity, which can keep the temperature of the gas box 204 consistent with that of the battery end face.

[0023] It should be noted that when a cylindrical battery fails, the location of the initial heating point depends on the type of failure, but is usually concentrated on the end face (positive and negative electrode areas) or the edge of the shell near the end face, rather than the geometric center of the main body. Therefore, the abnormal heating of the battery 102 can be quickly detected through the air box 204.

[0024] The gas box 204 is filled with high-pressure gas, and the gas box 204 is provided with Wood's alloy 207 for blocking the high-pressure gas. The melting point of Wood's alloy 207 is 70°C-90°C. The melting point of Wood's alloy 207 needs to be adjusted according to the thermal safety threshold of the lithium battery. For example, it can be increased to above 120°C for lithium iron phosphate batteries. The high-pressure gas drive mechanism is adaptable to a variety of secondary batteries (such as nickel-hydrogen batteries and lithium polymer batteries). After the Wood's alloy 207 melts, it separates the connection contacts 201 and the connector 202 under the action of the high-pressure gas. When the connection contacts 201 and the connector 202 are separated, the connection relationship between the battery 102 connected thereto and the remaining batteries will be cut off, effectively preventing other healthy batteries from being forced to output a higher current to maintain the total voltage, causing overcurrent heating, avoiding electrolyte decomposition of other batteries, aging of electrode materials, and even thermal runaway, resulting in temperature increase. Since lithium batteries are prone to thermal runaway when overcharged or short-circuited, the gas box 204 and the trip component 3 of the present invention significantly reduce the safety risk of the secondary battery system by quickly cutting off the circuit.

[0025] Two adjacent connectors 202 are fixedly connected via a connecting bridge 203 . The connecting bridge 203 is electrically connected to the connector 202 . Through the conductive function of the connecting contacts 201 , the connector 202 and the connecting bridge 203 , the two adjacent batteries 102 can be connected in series.

[0026] Furthermore, the gas box 204 is provided with a first one-way valve 205, which allows only one-way access to the interior of the gas box 204. Gas can be continuously supplied through the first one-way valve 205, increasing the internal pressure of the gas box 204. In the event of a leak in the gas box 204, the high-pressure gas can be rapidly ejected. An L-shaped exhaust port 206 is provided at the end of the gas box 204 near the battery 102. An L-shaped Wood's alloy 207 is located within the L-shaped exhaust port 206. Wood's alloy 207 has a melting point of approximately 70°C (composed of 50% bismuth, 25% lead, 13% tin, and 12% cadmium), slightly below 80°C. This melting point can be raised to around 80°C by adjusting the composition (for example, by increasing the proportion of lead or tin). Wood's alloy 207, at room temperature and with an appropriate thickness, can withstand high pressures and rapidly melts at its melting point, rendering the container seal ineffective and allowing the high-pressure gas to escape.

[0027] It should be noted that the safe temperature ranges of different batteries vary significantly. The normal discharge temperature range of lithium-ion batteries is 0-60°C, the normal discharge temperature range of ternary lithium batteries is 60-80°C, and the normal discharge temperature range of lithium iron phosphate batteries is 120-150°C. It is necessary to select a material with a suitable melting point as the Wood's alloy 207 in this solution according to the type of different batteries.

[0028] In this embodiment, the series module 2 also includes a plurality of slides 209 installed inside the chassis 1, a slider 210 is slidably installed in the slide 209, a pull rod 211 is fixedly installed on the slider 210, and the pull rod 211 is fixedly connected to the connecting bridge 203 through an insulating pad 212, and an air pipe 208 is fixedly installed on the L-shaped exhaust port 206, and the other end of the air pipe 208 is connected to the slide 209. When the Wood's metal 207 is melted, the high-pressure gas inside the gas box 204 will be discharged through the air pipe 208 and enter the interior of the slide 209, thereby pushing the slide The block 210 moves, and drives the connecting bridge 203 and the connecting head 202 to move, so that the connecting head 202 is separated from the connecting contact 201. An elastic sealing ring 213 is fixedly installed on the slider 210, and a raised ring 214 is provided in the slide cylinder 209. The raised ring 214 can limit the initial position of the slider 210 to prevent the contact between the connecting head 202 and the connecting contact 201 from loosening. Under the action of high-pressure gas, the sealing ring 213 can be elastically deformed, so that the sealing ring 213 and the slider 210 pass over the raised ring 214.

[0029] like Figures 8 to 14As shown, the hybrid power module of this embodiment also includes a tripping component 3, which is installed inside the chassis 1 and connected to the connector 202. When any Wood's metal 207 melts, the tripping component 3 drives all the separation connection contacts 201 and the connector 202 to separate, so that when one of the batteries 102 fails, the connection status of all the batteries 102 can be disconnected, so that the battery pack can be formed into multiple monomers. When the battery pack is impacted, multiple batteries 102 in the same area may be damaged, but the degree of damage is inconsistent, resulting in inconsistent temperature rise rates. When the temperature of one of the batteries 102 reaches a critical value, all the batteries 102 can be disconnected, and the influence of the remaining batteries 102 on the battery pack can be cut off as soon as possible.

[0030] This complete circuit-breaking method can instantly cut off the circuit, preventing healthy batteries from being subjected to abnormal current due to the short circuit of the faulty battery, fundamentally curbing the continuous injection of energy into the fault point, and reducing the risk of fire and explosion (especially suitable for high-energy-density batteries such as lithium batteries).

[0031] Avoid secondary hazards caused by misjudging the fault type. If the faulty battery is open circuit (internal short circuit), although the overall circuit is disconnected, it may be accompanied by arcing or localized high temperatures. In this case, if only the faulty battery is isolated, it is necessary to ensure that the other batteries in the series connection can still operate normally. However, the open circuit fault may be accompanied by structural problems such as battery casing damage, and continued use of adjacent batteries may pose a hidden safety hazard.

[0032] Disconnecting all circuits can indiscriminately cut off power, eliminating the need to precisely determine the fault type (short circuit, open circuit, bulge, etc.). In safety-critical scenarios, this strategy is "better to make a wrong disconnection than miss a fault."

[0033] Furthermore, the tripping component 3 includes a support plate 301 fixedly installed inside the chassis 1, and limit plates 302 are fixedly installed on both sides of the support plate 301, and limit holes 303 are provided on the limit plates 302. A separation plate 304 is slidably installed on the support plate 301, and the slide 209 is fixedly connected to the separation plate 304. A plurality of tension springs 327 that apply tension to the support plate 301 are fixedly installed between the separation plate 304 and the support plate 301, and a limit rod 305 is slidably installed on the separation plate 304. When the limit rod 305 is disengaged from the limit hole 303, the separation plate 304 can be moved in a direction close to the support plate 301 under the action of the tension spring 327, which can drive all the connectors 202 to separate from their corresponding connection contacts 201. The tripping component 3 also includes a separation mechanism that drives the limit rod 305 to disengage from the limit hole 303 according to the melting state of any Wood's alloy 207.

[0034] Among them, the separation mechanism includes a driving cylinder 306 fixedly mounted on the separation plate 304, a sealing block 307 is slidably mounted in the driving cylinder 306, the sealing block 307 is fixedly connected to the limit rod 305, a spring 328 is fixedly mounted between the sealing block 307 and the driving cylinder 306, a connecting pipe 308 is provided on the driving cylinder 306, a valve 309 is provided on the connecting pipe 308, and the connecting pipe 308 and the driving cylinder 306 are filled with compressed gas. An opening and closing mechanism for controlling the blocking of the valve 309 is installed on the separation plate 304, which can be pulled under the action of the spring 328. The sealing block 307 moves in a direction away from the limiting hole 303, which can drive the limiting rod 305 to disengage from the limiting hole 303. However, under the action of compressed gas and when the valve 309 is closed, the spring 328 drives the sealing block 307 to move, which requires further compression of the compressed gas, which will exceed the capacity of the spring 328, thereby making the sealing block 307 unable to move. When the valve 309 is opened, the compressed gas can be discharged through the valve 309, and under the action of the spring 328, the limiting rod 305 can be disengaged from the limiting hole 303.

[0035] It should be noted that the valve includes a valve body 3091 and a valve core 3092 rotatably installed inside the valve body 3091. A drive shaft 3093 is fixedly installed on the valve core 3092. By rotating the drive shaft 3093, the valve core 3092 can be driven to rotate, and the rotating valve core 3092 can enable the valve body 3091 to circulate or block.

[0036] Furthermore, the opening and closing mechanism includes a driving ring 310 fixedly mounted on the valve body 3091, a first sealing plate 311 fixedly mounted inside the driving ring 310, a connecting block 312 fixedly mounted on the driving shaft 3093, a second sealing plate 313 fixedly mounted on the connecting block 312, a limiting block 314 fixedly mounted on the second sealing plate 313, the first sealing plate 311 and the second sealing plate 313 divide the interior of the driving ring 310 into two air cavities 315, the driving ring 310 is provided with two gas nozzles 316 connected to the air cavities 315, when gas enters the gas nozzles 316, the gas will push the second sealing plate 313 to rotate, which can drive the connecting block 312 and the driving shaft 3093 to rotate, thereby opening the valve 309.

[0037] In this embodiment, the opening and closing mechanism also includes a transmission cylinder 317 fixedly mounted on the separation plate 304, a partition plate 318 is slidably mounted on the transmission cylinder 317, a delivery pipe 319 is fixedly mounted on each of the two air nozzles 316, and the delivery pipe 319 is respectively connected to the two ends of the transmission cylinder 317, a pressure rod 320 is fixedly mounted on the partition plate 318, an air intake cylinder 321 is fixedly mounted on the separation plate 304, a sealing plate 322 fixedly connected to the pressure rod 320 is slidably mounted in the air intake cylinder 321, the bottom end of the air intake cylinder 321 is connected to the air intake connection box 323, a plurality of second one-way valves 324 are fixedly mounted on the air intake connection box 323, and a three-way valve 324 is fixedly mounted on one end of the slide cylinder 209. The three-way joint 325 is fixedly installed with a pipe 326, which corresponds to the second one-way valve 324 and is fixedly connected. When the high-pressure gas inside the air box 204 is released, it will drive the slider 210 to squeeze the gas inside the slide cylinder 209. The squeezed gas will enter the air intake connection box 323 through the pipe 326, and enter the air intake cylinder 321 through the air intake connection box 323, thereby pushing the sealing plate 322 and the pressure rod 320 to move, and then the partition plate 318 is moved, so that the gas inside the transmission cylinder 317 enters the air cavity 315, and then the valve core 3092 is rotated, thereby opening the valve 309.

[0038] Specifically, the present invention proposes a hybrid power packaging method, which is applied to the above hybrid power module, and the method includes the following steps: Step 1: Install the batteries between the two battery racks 101 in sequence, and fix the two battery racks 101 after installation; Step 2: Spot-weld the connection contacts 201 on the battery 102 and assemble the series module 2 and the trip component 3; Step 3: Wrap the battery 102 with an epoxy resin plate 4 to isolate the battery 102 from external conductors; Step 4: Fix the assembled battery 102, series module 2 and trip component 3 to the chassis 1; Step 5: Fill the gap between the chassis 1 and the battery 102 with shock-absorbing material, and then seal the chassis 1.

[0039] In this embodiment, when the battery 102 experiences an abnormal temperature rise, the battery's temperature causes ash to accumulate at both ends and be transferred to the gas box 204 through heat conduction. Wood's metal 207 is able to withstand high pressure and quickly melts when it reaches its melting point, causing the seal of the gas box 204 to fail and allowing high-pressure gas to be ejected. This in turn drives the slider 210 to move, driving the connecting bridge 203 and the connector 202 to move, causing the connector 202 to separate from the connection contact 201, thereby quickly disconnecting the faulty battery. Furthermore, when the high-pressure gas inside the air box 204 is released, it will drive the slider 210 to squeeze the gas inside the slide cylinder 209. The squeezed gas will enter the air intake connection box 323 through the pipe 326, and enter the air intake cylinder 321 through the air intake connection box 323, thereby pushing the sealing plate 322 and the pressure rod 320 to move, and then the partition plate 318 is moved, so that the gas inside the transmission cylinder 317 enters the air cavity 315, and then the valve core 3092 is rotated, thereby opening the valve 309. At this time, under the action of the spring 328, the sealing block 307 can be pulled to move in the direction away from the limiting hole 303, which can drive the limiting rod 305 to disengage from the limiting hole 303, and under the action of the tension spring 327, the separation plate 304 can be moved in the direction close to the support plate 301, which can drive all the connecting heads 202 to separate from their corresponding connecting contacts 201.

[0040] The above specific embodiments are merely several optional embodiments of the present invention. Based on the technical solutions of the present invention and the relevant inspirations of the above embodiments, those skilled in the art may make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A hybrid power module, comprising a chassis (1), two battery racks (101) fixedly mounted inside the chassis (1), and a plurality of batteries (102) fixedly mounted between the two battery racks (101), characterized in that: Also includes: A series module (2), wherein the series module (2) connects a plurality of the batteries (102) in series, the series module (2) comprising a connection contact (201) fixedly mounted on an electrode of the battery (102), and a connector (202) electrically connected to the connection contact (201), wherein gas boxes (204) are fixedly mounted at both ends of the battery (102), the gas box (204) being filled with high-pressure gas, and a Wood's alloy (207) for sealing the high-pressure gas being provided in the gas box (204), the melting point of the Wood's alloy (207) being 70° C.-90° C., and the Wood's alloy (207) being melted, separating the connection contact (201) and the connector (202) under the action of the high-pressure gas; A tripping component (3) is installed inside the chassis (1) and connected to the connector (202). When any Wood's alloy (207) melts, the tripping component (3) drives all separation connection contacts (201) and the connector (202) to separate.

2. A hybrid power module according to claim 1, characterized in that: Two adjacent connectors (202) are fixedly connected via a connecting bridge (203), and the connecting bridge (203) is electrically connected to the connector (202).

3. A hybrid power module according to claim 2, characterized in that: The gas box (204) is provided with a first one-way valve (205), which allows one-way entry into the gas box (204). An L-shaped exhaust port (206) is provided at one end of the gas box (204) close to the battery (102), and the Wood's alloy (207) is L-shaped and located inside the L-shaped exhaust port (206).

4. A hybrid power module according to claim 3, characterized in that: The series module (2) further includes a plurality of slides (209) installed inside the chassis (1), wherein a slider (210) is slidably installed inside the slide (209), a pull rod (211) is fixedly installed on the slider (210), and the pull rod (211) is fixedly connected to the connecting bridge (203) via an insulating pad (212), an air pipe (208) is fixedly installed on the L-shaped exhaust port (206), and the other end of the air pipe (208) is connected to the slide (209), an elastic sealing ring (213) is fixedly installed on the slider (210), and a raised ring (214) is provided inside the slide (209).

5. A hybrid power module according to claim 4, characterized in that: The tripping component (3) includes a support plate (301) fixedly mounted inside the chassis (1), a limiting plate (302) fixedly mounted on both sides of the support plate (301), a limiting hole (303) provided on the limiting plate (302), a separation plate (304) slidably mounted on the support plate (301), a plurality of tension springs (327) for applying tension to the support plate (301) fixedly mounted between the separation plate (304) and the support plate (301), a limiting rod (305) slidably mounted on the separation plate (304), and a separation mechanism for driving the limiting rod (305) to disengage from the limiting hole (303) according to the melting state of any one of the Wood's alloys (207).

6. A hybrid power module according to claim 5, characterized in that: The separation mechanism comprises a driving cylinder (306) fixedly mounted on a separation plate (304), a sealing block (307) slidably mounted in the driving cylinder (306), the sealing block (307) being fixedly connected to the limiting rod (305), a spring (328) being fixedly mounted between the sealing block (307) and the driving cylinder (306), a connecting pipe (308) being provided on the driving cylinder (306), a valve (309) being provided on the connecting pipe (308), the connecting pipe (308) and the driving cylinder (306) being filled with compressed gas, and an opening and closing mechanism for controlling the sealing of the valve (309) being installed on the separation plate (304).

7. A hybrid power module according to claim 6, characterized in that: The valve comprises a valve body (3091), a valve core (3092) rotatably mounted inside the valve body (3091), and a drive shaft (3093) fixedly mounted on the valve core (3092).

8. The hybrid power module according to claim 7, characterized in that: The opening and closing mechanism comprises a drive ring (310) fixedly mounted on the valve body (3091), a first sealing plate (311) fixedly mounted inside the drive ring (310), a connecting block (312) fixedly mounted on the drive shaft (3093), a second sealing plate (313) fixedly mounted on the connecting block (312), a limit block (314) fixedly mounted on the second sealing plate (313), the first sealing plate (311) and the second sealing plate (313) divide the interior of the drive ring (310) into two air cavities (315), and the drive ring (310) is provided with two air nozzles (316) connected to the air cavities (315).

9. The hybrid power module according to claim 8, characterized in that: The opening and closing mechanism further comprises a transmission cylinder (317) fixedly mounted on the separation plate (304), a separation plate (318) being slidably mounted on the transmission cylinder (317), a delivery pipe (319) being fixedly mounted on each of the two air nozzles (316), the delivery pipes (319) being respectively connected to both ends of the transmission cylinder (317), a pressure rod (320) being fixedly mounted on the separation plate (318), an air intake cylinder (321) being fixedly mounted on the separation plate (304), and the air intake cylinder (321) being fixedly mounted on the separation plate (304). 21) is slidably mounted with a sealing plate (322) fixedly connected to the pressure rod (320), the bottom end of the air intake cylinder (321) is connected to an air intake connection box (323), a plurality of second one-way valves (324) are fixedly mounted on the air intake connection box (323), one end of the slide cylinder (209) is provided with a three-way joint (325), a pipe (326) is fixedly mounted on the three-way joint (325), and the pipe (326) corresponds to and is fixedly connected to the second one-way valve (324).

10. A hybrid power packaging method, applied to the hybrid power module according to any one of claims 1 to 9, the method comprising the following steps: Step 1: Install the batteries in sequence between the two battery racks (101), and fix the two battery racks (101) after installation; Step 2: spot welding the connection contacts (201) on the battery (102), and assembling the series module (2) and the tripping component (3); Step 3: Wrapping the outside of the battery (102) with an epoxy resin plate (4) to isolate the battery (102) from external conductors; Step 4: Fixing the assembled battery (102), series module (2) and trip component (3) to the chassis (1); Step 5: Fill the gap between the chassis (1) and the battery (102) with a shock-absorbing material, and then seal the chassis (1).

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