Insulation protection device for testing calorific value of lithium battery
By designing an insulating protection device for lithium battery heat generation testing, the problem that lithium battery heat generation detection devices in the existing technology can only detect within a fixed power range is solved, and comprehensive heat generation detection and safety assurance under different power conditions are achieved.
Patent Information
- Application Number
- CN202422832127.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-20
AI Technical Summary
Existing lithium battery heating detection devices can only detect within a fixed power range and cannot fully reflect the heating conditions of lithium batteries under different power devices.
An insulating protective device for testing the heat generation of lithium batteries is designed. Through a vacuum insulation structure and adjustable conductive components, the lithium battery is electrically connected to devices with different power levels. A thermometer is used to detect the heat generation of the lithium battery under different power conditions.
It realizes comprehensive detection of the heat generation of lithium batteries under different power conditions, with more accurate data. The vacuum insulation structure reduces heat loss and ensures detection safety.
Smart Images

Figure CN223450116U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lithium battery detection technical field, concretely is a kind of insulating protective device for lithium battery heat release testing. BACKGROUND
[0002] Lithium ion battery is embedded and de-embedded in positive and negative materials during charging and discharging process, and this process is accompanied by certain heat release, and battery also generates joule heat when being used, and heat can affect the operation of electronic equipment, so the heat release of lithium battery is one of its quality standards.
[0003] At present, for the heat detection of lithium battery, the battery is mainly installed on the corresponding equipment, and the heat release of the detection equipment during operation is detected, and the power of the equipment usually matched with detection is relatively fixed, so the lithium battery can only be detected in a certain power range, so the heat release of lithium battery when working on different power equipment cannot be obtained, so a detection device capable of operating lithium battery under different power conditions is required. UTILITY MODEL CONTENT
[0004] In order to solve the above technical problems, the utility model provides an insulating protective device for lithium battery heat release testing, which can be used with different equipment, so that the detected lithium battery can supply power to equipment with different power, so as to detect the heat release of lithium battery under different power conditions.
[0005] The technical solution for achieving the purpose of the utility model is as follows: an insulating protective device for lithium battery heat release testing, comprising a shell, an inner container fixedly connected inside the shell, a thermometer fixedly connected to the bottom of the inner container, a top cover hingedly connected to the shell, an electric wire fixedly connected to the top cover, a socket electrically connected to the electric wire, a conductive assembly arranged inside the top cover, the conductive assembly comprising a bracket, a sliding frame and an electrode, the bracket being fixedly connected to the top cover, the sliding frame being slidingly connected to the bracket, and the two electrodes being fixedly connected to the sliding frame.
[0006] Preferably, the conductive assembly further comprises a fixing sleeve, a sliding rod and a spring, the fixing sleeve is fixedly connected to the top cover, the sliding rod is fixedly connected to the sliding frame, the sliding rod is slidingly connected to the inside of the fixing sleeve, and the spring is fixedly connected between the sliding rod and the top cover.
[0007] Preferably, the conductive assembly further comprises a conductive rod and a conductive sleeve rod, two conductive rods are fixedly connected to two electrodes respectively, two conductive sleeve rods are fixedly connected to the top cover, and two conductive rods are slidingly connected with two conductive sleeve rods respectively.
[0008] Preferably, the conductive assembly further comprises a conductive wire, two conductive wires are fixedly connected with two conductive sleeve rods respectively, and two conductive wires are located inside the electric wire.
[0009] Preferably, the outer shell and the inner container are in a vacuum state, the outer shell is made of insulating material, and the inner container is made of metal material.
[0010] Compared with the prior art, the utility model has the following remarkable advantages:
[0011] Firstly, in the utility model, the lithium battery can be placed in the inner container, and then the top cover is closed, so that the two electrodes in the top cover abut against the positive and negative poles of the lithium battery, at this time, the lithium battery and the electric wire are electrically connected, that is, the lithium battery can supply power to the socket, at this time, different power and different number of devices can be externally connected to the socket, so that the lithium battery supplies power to the devices of different power, and the heat generation of the lithium battery when supplying power to the devices of different power is detected, so that the data obtained by detection is more comprehensive.
[0012] Secondly, in the utility model, since the inner container and the outer shell are in a vacuum state, when the lithium battery generates heat, the temperature is mainly transferred to the surface of the inner container, and the heat loss is small, at this time, the temperature of the surface of the inner container is measured by the temperature meter, and the heat generation of the lithium battery is obtained. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model will be further explained in connection with the drawings and embodiments:
[0014] Figure 1 is the three-dimensional structure schematic of the utility model Figure 1 ;
[0015] Figure 2 is the three-dimensional structure schematic of the utility model Figure 2 ;
[0016] Figure 3 is the internal structure section view of the utility model;
[0017] Figure 4 is the A part structure enlarged view shown in the utility model Figure 3 .
[0018] EXPLANATION OF REFERENCE NUMERALS:
[0019] 1, outer shell;2, inner container;3, temperature meter;4, top cover;5, electric wire;6, socket;7, conductive assembly;71, support;72, sliding frame;73, electrode;74, fixed sleeve;75, sliding rod;76, spring;77, conductive rod;78, conductive sleeve rod;79, wire. DETAILED DESCRIPTION
[0020] The utility model discloses below make detailed instructions to the utility model, clearly and completely describe the technical scheme in the utility model embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.
[0021] The utility model discloses a kind of insulation protection devices for lithium battery heat release testing, and the technical scheme of the utility model is:
[0022] As Figures 1-4 As shown in a kind of insulation protection devices for lithium battery heat release testing, including shell 1, the inside fixed connection of shell 1 has inner container 2, the bottom fixed connection of inner container 2 has temperature gauge 3, shell 1 is hinged with top cover 4, top cover 4 is fixedly connected with electric wire 5, electric wire 5 is electrically connected with socket 6, the inside of top cover 4 is provided with conducting assembly 7, conducting assembly 7 includes support 71, sliding carriage 72 and electrode 73, support 71 is fixedly connected on top cover 4, sliding carriage 72 is slidably connected on support 71, two electrodes 73 are fixedly connected on sliding carriage 72, between top cover 4 and shell 1 can be designed with fixing device, can be various simple buckles, main role is that top cover 4 can be realized fixed when covering on shell 1, the jack on socket 6 can be electric appliance jack, can also be USB interface etc., specific as the case may be.
[0023] Further, conducting assembly 7 also includes fixed sleeve 74, slide bar 75 and spring 76, fixed sleeve 74 is fixedly connected on top cover 4, slide bar 75 is fixedly connected on sliding carriage 72, slide bar 75 is slidably connected in the inside of fixed sleeve 74, spring 76 is fixedly connected between slide bar 75 and top cover 4, when top cover 4 is buckled on shell 1, electrode 73 will be tightly against the positive and negative pole of lithium battery, simultaneously sliding carriage 72 will be extruded, and along with the sliding of slide bar 75 in fixed sleeve 74, spring 76 is in compression state at this time.
[0024] Further, conducting assembly 7 also includes conducting rod 77 and conducting sleeve rod 78, two conducting rods 77 are fixedly connected on two electrodes 73 respectively, two conducting sleeve rods 78 are fixedly connected on top cover 4, two conducting rods 77 are slidably connected with two conducting sleeve rods 78 respectively, when sliding carriage 72 and support 71 relatively slide, relative sliding between conducting rod 77 and conducting sleeve rod 78 will occur, but conducting rod 77 and conducting sleeve rod 78 always keep connection, so that the conductivity between conducting rod 77 and conducting sleeve rod 78 is kept, when the positive and negative pole of lithium battery contacts two electrodes 73, that is, lithium battery realizes power supply for socket 6.
[0025] Further, the conductive assembly 7 further comprises two wires 79, each of which is fixedly connected with one of the two conductive sleeve rods 78, and the two wires 79 are located inside the electric wire 5.
[0026] Further, the shell 1 and the inner container 2 are in a vacuum state, the shell 1 is made of insulating material, and the inner container 2 is made of metal material, so that the inner container 2 has better heat conductivity, when the lithium battery generates heat, the heat can be quickly transferred to the inner container 2, so as to facilitate the temperature measurement of the thermometer 3, and the shell 1 is made of insulating material, so as to ensure the safety of the whole device, and the vacuum state between the shell 1 and the inner container 2 can reduce the heat loss after the lithium battery generates heat.
[0027] Specific working method is: first, the lithium battery is put into the inner container 2, then the top cover 4 is closed, and the two electrodes 73 in the top cover 4 are respectively abutted against the positive and negative poles of the lithium battery, at this time, the lithium battery and the electric wire 5 are electrically connected, that is, the lithium battery can supply power to the socket 6, at this time, different power and different number of devices can be externally connected to the socket 6, so that the lithium battery can supply power to different power devices, so as to detect the heat generated by the lithium battery when supplying power to different power devices, so that the data obtained by detection is more comprehensive, since the inner container 2 and the shell 1 are in a vacuum state, when the lithium battery generates heat, the temperature is mainly transferred to the surface of the inner container 2, and the heat loss is small, at this time, the temperature of the surface of the inner container 2 is measured by the thermometer 3, so as to obtain the heat generated by the lithium battery.
[0028] The technical means disclosed by the utility model scheme is not limited to the technical means disclosed by the above technical means, and also includes technical solutions composed of equivalent replacement of the above technical features. The unfinished matters of the utility model belong to the common knowledge of those skilled in the art.
Claims
1. An insulation protection device for testing the heat generation of a lithium battery, comprising a housing (1), characterized in that: The interior of the shell (1) is fixedly connected to an inner liner (2), and the bottom of the inner liner (2) is fixedly connected to a thermometer (3). The shell (1) is hingedly connected to a top cover (4), and the top cover (4) is fixedly connected to an electric wire (5), and the electric wire (5) is electrically connected to a socket (6). A conductive component (7) is provided inside the top cover (4), and the conductive component (7) includes a bracket (71), a slide (72) and an electrode (73). The bracket (71) is fixedly connected to the top cover (4), the slide (72) is slidably connected to the bracket (71), and the two electrodes (73) are fixedly connected to the slide (72).
2. The insulation protection device for lithium battery heat generation testing according to claim 1, characterized in that: The conductive component (7) further comprises a fixed sleeve (74), a slide rod (75) and a spring (76); the fixed sleeve (74) is fixedly connected to the top cover (4); the slide rod (75) is fixedly connected to the slide frame (72); the slide rod (75) is slidably connected to the interior of the fixed sleeve (74); and the spring (76) is fixedly connected between the slide rod (75) and the top cover (4).
3. The insulation protection device for lithium battery heat generation testing according to claim 2, characterized in that: The conductive assembly (7) further comprises a conductive rod (77) and a conductive sleeve rod (78), wherein the two conductive rods (77) are respectively fixedly connected to the two electrodes (73), the two conductive sleeve rods (78) are respectively fixedly connected to the top cover (4), and the two conductive rods (77) are respectively slidably connected to the two conductive sleeve rods (78).
4. The insulation protection device for lithium battery heat generation testing according to claim 3, characterized in that: The conductive assembly (7) further comprises a conductor (79), wherein two conductors (79) are fixedly connected to two conductive sleeve rods (78) respectively, and the two conductors (79) are located inside the electric wire (5).
5. The insulation protection device for lithium battery heat generation testing according to claim 1, characterized in that: There is a vacuum state between the outer shell (1) and the inner shell (2); the outer shell (1) is made of insulating material, and the inner shell (2) is made of metal material.