Self-radiating type sweeper lithium battery unit
The self-cooling lithium-ion battery unit for cleaning machines addresses overheating at terminal and cable connections by using heat-absorbing modules and central cooling, ensuring efficient and safe battery operation.
Patent Information
- Application Number
- CN202421928948.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-09
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-09
AI Technical Summary
During the charging and discharging process of existing lithium battery units of sweepers, the connection between the terminals and the wire harness is prone to heat, and there is a lack of direct heat dissipation air duct, which leads to excessive temperature, affects the charging and discharging efficiency and poses safety hazards.
The lithium battery unit of a self-heat-dissipation sweeper is designed, and a heat absorption module and a heat dissipation module are used to directly cool the terminal components through a heat-absorbing fin plate, a heat conduction pipe and a flow-draining pipe. The terminal components are directly cooled by using external air to reduce the temperature of the heat-absorbing fin plate and the heat conduction pipe, and absorb the terminal heat through the heat conduction pipe.
The direct cooling of the terminal components is achieved, the problem of excessive temperature is avoided, the efficient operation of charging and discharging is ensured, safety hazards are eliminated, and the temperature stability of the connection between the terminal and the wiring harness is ensured.
Smart Images
Figure CN223108971U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium battery units, and more specifically, to a self-cooling lithium battery unit for a floor sweeper. Background Art
[0002] The floor sweeper uses a motor to drive the garbage to move and complete the cleaning work. Generally, a pure suction floor sweeper requires a large amount of power. At present, it basically uses a motor and a battery unit to complete the power supply. The pure suction floor sweeper has a simple structure but is overall large and is suitable for large-area cleaning work.
[0003] However, in the prior art, for the lithium battery unit applied to the floor sweeper, when powering the motor, due to the large power supply required by the floor sweeper, during the charging and discharging process of the lithium battery, the terminals for connecting the wire harnesses at both ends are prone to heat generation problems. And the cooling fan in the floor sweeper for cooling the lithium battery mostly cools the lithium battery through the air duct, lacking an air duct directly acting on the terminals of the lithium battery, resulting in a relatively high temperature at the connection between the terminals and the wire harness, affecting the efficient charging and discharging, and there are potential safety hazards. In view of this, we propose a self-cooling lithium battery unit for a floor sweeper. Summary of the Utility Model
[0004] The purpose of the utility model is to overcome the deficiencies of the prior art, adapt to the actual needs, and provide a self-cooling lithium battery unit for a floor sweeper to solve the technical problem that for the lithium battery unit applied to the floor sweeper at present, when powering the motor, the terminals for connecting the wire harnesses at both ends are prone to heat generation problems, and there is a lack of an air duct directly acting on the terminals of the lithium battery in the floor sweeper, resulting in a relatively high temperature at the connection between the terminals and the wire harness, affecting the efficient charging and discharging, and there are potential safety hazards.
[0005] To solve the above technical problems, the utility model provides the following technical solution: A self-cooling lithium battery unit for a floor sweeper, comprising a battery module and terminal assemblies arranged at both ends of the battery module;
[0006] Heat absorption modules are arranged at both ends of the battery module inside the terminal assemblies, and a heat dissipation module is fixedly arranged at the center of one side of the battery module, and the heat dissipation module is connected to the terminal assemblies;
[0007] The heat absorption module includes a plurality of heat absorption fins. The plurality of heat absorption fins are equidistantly arranged at one end of the battery module, and a plurality of through holes are equidistantly opened on one side of the plurality of heat absorption fins. A heat conduction tube is fixedly installed in the plurality of through holes together. Both ends of the heat conduction tube are connected with connecting tubes. The connecting tube has an air inlet and an air outlet, and a diversion tube is fixedly installed on one side of the air outlet. The other end of the diversion tube is connected to the heat dissipation module.
[0008] The heat dissipation module of the present utility model, which is provided with two heat absorption modules, cools the terminal assemblies at both ends of the battery module. When the battery module is charging and discharging, the heat dissipation module inhales external air through a connecting pipe, thereby reducing the temperature of a plurality of heat absorption fins and heat conduction pipes. The heat absorption of the terminal assembly at one end of the battery module is completed through the heat conduction pipes and a plurality of heat absorption fins provided on the heat conduction pipes, so as to directly cool one end of the battery module, avoid the problem of excessive temperature at the connection between the terminal and the wire harness, ensure the efficient progress of charging and discharging, and eliminate potential safety hazards.
[0009] Preferably, the terminal assembly includes two support seats. On one side of the two support seats facing the battery module, a plurality of extension ears A and a plurality of extension ears B are respectively constructed at equal intervals. A mating groove A for the extension ear A is formed at the bottom of the side of the extension ear B facing the support seat, and a mating groove B for the extension ear B is formed at the top of the side of the extension ear A away from the support seat.
[0010] Preferably, two through grooves are symmetrically formed on one side of each of the extension ear B and the mating groove A, and fixing bolts are commonly installed in the two opposite through grooves.
[0011] Preferably, a plurality of through positioning grooves are equidistantly formed at the top and bottom of the battery module, and the through positioning grooves are located between two adjacent heat absorption fins. A plurality of the extension ears A and a plurality of the extension ears B are respectively inserted into the corresponding through positioning grooves.
[0012] Preferably, connection ears are constructed on one side of the two support seats away from the battery module, and a round hole is formed in the center of one side of the connection ears.
[0013] Preferably, the heat dissipation module includes a housing. The housing is fixedly arranged at the center of one side of the battery module, and a bracket is fixedly arranged at the top inside the housing. A motor is fixedly installed on one side of the bracket, and a fan blade is fixedly installed at one end of the driving shaft of the motor.
[0014] Preferably, two bidirectional fixing seats are symmetrically constructed on both sides of the battery module, and fixing holes are formed in the center of the bottom end and the top end of the bidirectional fixing seats.
[0015] Compared with the prior art, the beneficial effects of the present utility model are:
[0016] 1. The heat dissipation module of the present utility model, which is provided with two heat absorption modules, cools the terminal assemblies at both ends of the battery module. When the battery module is charging and discharging, the heat dissipation module sucks external air through the connecting pipe, thereby reducing the temperature of several heat absorption fins and heat conduction pipes. The heat of the terminal assembly at one end of the battery module is absorbed through the heat conduction pipe and several heat absorption fins provided on the heat conduction pipe, so as to directly cool one end of the battery module, avoid the problem of over-high temperature at the connection between the terminal and the wire harness, ensure the efficient charging and discharging, and eliminate potential safety hazards.
[0017] 2. The present utility model also realizes the connection between the battery module and the wire harness through the terminal assembly. By making two support seats connected with several extension ears A and several extension ears B penetrate through the corresponding through positioning slots, the mutually connected extension ears A and extension ears B are located between two heat absorption fins, evenly dividing the connection area between the terminal assembly and the battery module, thereby further improving the cooling effect on the terminal assembly and ensuring the temperature stability at the connection between the terminal and the wire harness. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is the overall structural schematic diagram of the present utility model;
[0019] Figure 2 is the partial structural schematic diagram of the present utility model in a disassembled state;
[0020] Figure 3 is the present utility model Figure 1 the enlarged schematic diagram of the structure at A in;
[0021] Figure 4 is the structural schematic diagram of the terminal assembly of the present utility model in a disassembled state.
[0022] Explanation of the reference numerals in the drawings:
[0023] 1. Battery module; 101. Through positioning slot; 2. Heat absorption module; 201. Heat absorption fin; 202. Heat conduction pipe; 203. Connecting pipe; 204. Diversion pipe; 3. Heat dissipation module; 301. Housing; 302. Bracket; 303. Fan blade; 4. Terminal assembly; 401. Support seat; 402. Connecting ear; 403. Extension ear A; 404. Extension ear B; 405. Matching groove A; 406. Matching groove B; 407. Through groove; 408. Fixing bolt; 5. Bidirectional fixing seat. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0024] As Figure 1 , Figure 2 , Figure 3 , Figure 4As shown in the figure, a self-cooling lithium battery unit for a floor sweeping vehicle according to the present utility model includes a battery module 1 and terminal assemblies 4 provided at both ends of the battery module 1. Two bidirectional fixing seats 5 are symmetrically configured on both sides of the battery module 1, and fixing holes are centrally formed at the bottom and top of the bidirectional fixing seat 5;
[0025] In an embodiment of the present utility model, to avoid the problem of excessive temperature at the connection between the terminal and the wire harness and ensure the efficient charging and discharging, heat absorption modules 2 are arranged at both ends of the battery module 1 inside the terminal assemblies 4. A heat dissipation module 3 is fixedly provided at the center of one side of the battery module 1, and the heat dissipation module 3 is connected to the terminal assembly 4. The heat absorption module 2 includes a plurality of heat absorption fins 201. The plurality of heat absorption fins 201 are equidistantly configured at one end of the battery module 1, and a plurality of through holes are equidistantly formed on one side of the plurality of heat absorption fins 201. A heat conduction tube 202 is fixedly installed in the plurality of through holes, and both ends of the heat conduction tube 202 are connected to a connecting tube 203. The connecting tube 203 has an air inlet and an air outlet, and a diversion tube 204 is fixedly installed on one side of the air outlet. The other end of the diversion tube 204 is connected to the heat dissipation module 3. The heat dissipation module 3 with two heat absorption modules 2 is used to cool the terminal assemblies 4 at both ends of the battery module 1. When the battery module 1 is charging and discharging, the heat dissipation module 3 inhales external air through the connecting tube 203, thereby reducing the temperature of the plurality of heat absorption fins 201 and the heat conduction tube 202, and the heat of the terminal assembly 4 at one end of the battery module 1 is absorbed through the heat conduction tube 202 and the plurality of heat absorption fins 201 provided on the heat conduction tube 202, thus directly cooling one end of the battery module 1, avoiding the problem of excessive temperature at the connection between the terminal and the wire harness, ensuring the efficient charging and discharging, and eliminating potential safety hazards.
[0026] In an embodiment of the present utility model, to ensure the temperature stability at the connection between the terminal and the wire harness, the terminal assembly 4 includes two support seats 401. On one side of the two support seats 401 facing the battery module 1, a number of extension ears A 403 and a number of extension ears B 404 are respectively constructed at equal intervals. At the bottom of the side of the extension ear B 404 facing the support seat 401, a mating slot A 405 for the extension ear A 403 is provided. And at the top of the side of the extension ear A 403 away from the support seat 401, a mating slot B 406 for the extension ear B 404 is provided. On one side of the extension ear B 404 and the mating slot A 405, two through slots 407 are symmetrically provided. And a fixing bolt 408 is commonly installed in the two opposing through slots 407. At the top and bottom of the battery module 1, a number of through positioning slots 101 are provided at equal intervals, and the through positioning slots 101 are located between two adjacent heat absorption fins 201. The number of extension ears A 403 and the number of extension ears B 404 are respectively inserted into the corresponding through positioning slots 101. On one side of the two support seats 401 away from the battery module 1, connection ears 402 are constructed. And at the center of one side of the connection ear 402, a round hole is provided. The connection between the battery module 1 and the wire harness is realized through the terminal assembly 4. By making the two support seats 401 connected with the number of extension ears A 403 and the number of extension ears B 404 pass through the corresponding through positioning slots 101, the mutually connected extension ears A 403 and extension ears B 404 are located between the two heat absorption fins 201, evenly dividing the connection area between the terminal assembly 4 and the battery module 1, thereby further improving the cooling effect on the terminal assembly 4 and ensuring the temperature stability at the connection between the terminal and the wire harness.
[0027] In an embodiment of the present utility model, to directly cool one end of the battery module 1, the heat dissipation module 3 includes a housing 301. The housing 301 is fixedly provided at the center of one side of the battery module 1. And at the top inside the housing 301, a bracket 302 is fixedly provided. On one side of the bracket 302, a motor is fixedly installed, and at one end of the driving shaft of the motor, a fan blade 303 is fixedly installed. By driving the fan blade 303 to rotate through the motor, the external air is sucked into the diversion pipe 204 through the connection pipe 203, thereby cooling the heat absorption fins 201 provided with a number of heat conduction pipes 202 and realizing the direct cooling of one end of the battery module 1.
[0028] Working principle: This embodiment provides a self-cooling lithium battery unit for a floor sweeper. During use, two support seats 401 connected with a plurality of extension ears A 403 and a plurality of extension ears B 404 are inserted into corresponding through positioning grooves 101, so that the mutually connected extension ears A 403 and extension ears B 404 are located between two heat absorption fins 201. Then, the extension ears A 403 and extension ears B 404 are fixed by a plurality of fixing bolts 408. After the fixing is completed, the connection area between the terminal assembly 4 and the battery module 1 is evenly divided by a plurality of heat absorption fins 201, and the mutually connected extension ears A 403 and extension ears B 404 are heat-absorbed by two adjacent heat absorption fins 201. At the same time, the fan blade 303 is driven to rotate by a motor, so that external air is inhaled into the diversion pipe 204 through the connecting pipe 203, thereby cooling the heat absorption fins 201 provided with a plurality of heat conduction pipes 202, realizing direct cooling of one end of the battery module 1, avoiding the problem of over-high temperature at the connection between the terminal and the wire harness, ensuring the efficient progress of charging and discharging, eliminating potential safety hazards, and ensuring the temperature stability at the connection between the terminal and the wire harness.
[0029] The embodiments disclosed in this utility model are preferred embodiments, but not limited thereto. Those of ordinary skill in the art can easily understand the spirit of this utility model according to the above embodiments and make different extensions and changes. However, as long as they do not depart from the spirit of this utility model, they are within the protection scope of this utility model.
Claims
1. A self-cooling lithium battery unit for a floor sweeper, characterized in that, It includes a battery module (1) and terminal components (4) provided at both ends of the battery module (1); Heat absorption modules (2) are arranged at both ends of the battery module (1) and are located within the terminal components (4). A heat dissipation module (3) is fixedly provided at the center of one side of the battery module (1), and the heat dissipation module (3) is connected to the terminal components (4); The heat absorption module (2) includes a number of heat absorption fin plates (201). The number of heat absorption fin plates (201) are equidistantly configured at one end of the battery module (1). A number of through holes are equidistantly opened on one side of the number of heat absorption fin plates (201). A heat conduction tube (202) is fixedly installed in common within the number of through holes. Both ends of the heat conduction tube (202) are connected to connecting tubes (203). The connecting tubes (203) have an air inlet and an air outlet, and a diversion tube (204) is fixedly installed on one side of the air outlet. The other end of the diversion tube (204) is connected to the heat dissipation module (3).
2. The self-cooling type lithium battery unit for a floor sweeping vehicle according to claim 1, wherein The terminal component (4) includes two support seats (401). On the sides of the two support seats (401) facing the battery module (1), a number of extension ears A (403) and a number of extension ears B (404) are respectively equidistantly configured. A mating groove A (405) for the extension ear A (403) is opened at the bottom of the side of the extension ear B (404) facing the support seat (401), and a mating groove B (406) for the extension ear B (404) is opened at the top of the side of the extension ear A (403) away from the support seat (401).
3. The self-cooling type lithium battery unit for a floor sweeping vehicle according to claim 2, wherein Two through slots (407) are symmetrically opened on one side within the extension ear B (404) and the mating groove A (405), and a fixing bolt (408) is installed in common within the two opposing through slots (407).
4. The self-cooling type lithium battery unit for a floor sweeping vehicle according to claim 3, wherein, A number of through positioning slots (101) are equidistantly opened at the top and bottom of the battery module (1), and the through positioning slots (101) are located between two adjacent heat absorption fin plates (201). The number of extension ears A (403) and the number of extension ears B (404) are respectively inserted into the corresponding through positioning slots (101).
5. The self-cooling type lithium battery unit for a floor sweeping vehicle according to claim 4, wherein, On the sides of the two support seats (401) away from the battery module (1), connection ears (402) are configured, and a round hole is centrally opened on one side of the connection ears (402).
6. The self-cooling type lithium battery unit for a floor sweeping vehicle according to claim 1, characterized in that, The heat dissipation module (3) includes a housing (301). The housing (301) is fixedly provided at the center of one side of the battery module (1). A bracket (302) is fixedly provided at the top inside the housing (301). A motor is fixedly installed on one side of the bracket (302), and a fan blade (303) is fixedly installed at one end of the drive shaft of the motor.
7. The self-cooling type lithium battery unit for a floor sweeping vehicle according to claim 1, wherein, On both sides of the battery module (1), two double-sided fixing seats (5) are symmetrically configured, and fixing holes are centrally opened at the bottom and top of the double-sided fixing seats (5).