CN218766715U - Temperature control system - Google Patents
Temperature control system Download PDFInfo
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- CN218766715U CN218766715U CN202222717520.7U CN202222717520U CN218766715U CN 218766715 U CN218766715 U CN 218766715U CN 202222717520 U CN202222717520 U CN 202222717520U CN 218766715 U CN218766715 U CN 218766715U
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Abstract
The utility model provides a temperature control system, which comprises a heating rod, a thermistor and a temperature controller, wherein the temperature controller is respectively electrically connected with the heating rod and the thermistor; the thermistor is a platinum thermistor; the temperature range of the temperature control system is 20-100 ℃; the temperature control system is detachably arranged on the all-solid-state lithium ion in-situ testing device; the utility model discloses an adoption is provided with the heating rod on the gasket of top, is provided with thermistor on the gasket of bottom, matches controllable temperature environment and normal position charge-discharge device simultaneously, and temperature range is 20 ~ 100 ℃, satisfies the test environment of most batteries.
Description
Technical Field
The utility model relates to a battery test technical field especially relates to a temperature control system suitable for all solid-state lithium ion normal position testing arrangement.
Background
At present, in the market, there are few in-situ devices for performing neutron diffraction experiments on all-solid-state lithium ion batteries, and the experimental conditions required by only one device for all-solid-state lithium ion batteries are not sufficient, for example, in a battery in-situ testing device (application publication No. CN 213658936U), although the device has a temperature control system and a charging and discharging system, the device lacks a necessary vacuum environment and is uncontrollable in environment, and cannot meet the testing environment of most batteries.
Disclosure of Invention
The utility model discloses a solve and have technical defect among the above-mentioned background art, provide a temperature control system that is arranged in full solid-state lithium ion normal position testing arrangement.
The utility model discloses an aspect provides a temperature control system, detachable the installing on full solid-state lithium ion normal position testing arrangement of temperature control system, including heating rod, thermistor and temperature controller, the temperature controller respectively with heating rod and thermistor electric connection.
The thermistor is a platinum thermistor.
The in-situ test device comprises a charge-discharge system, a detector device and a sample device;
the temperature control system and the detector device are respectively arranged at the outer side of the sample device
The charging and discharging system is electrically connected with the sample device;
the sample device comprises a connecting component, a sample rod and a battery component, wherein the battery component is communicated and connected with the connecting component through the sample rod.
The battery component comprises a top shell, a link rod, a battery body and a bottom shell;
the top of the top shell is provided with a through hole for the link rod to extend out from the top shell, and the inner diameter of the through hole is equal to the outer diameter of the link rod;
one end of the link rod is communicated and connected with the sample rod, and the other end of the link rod is pressed against the upper part of the battery body through an upper compression nut;
the bottom shell is tightly pressed on the lower part of the battery body through a lower pressing nut;
the battery body is arranged between the top shell and the bottom shell.
The battery body comprises a shell, a top gasket, a bottom gasket, an insulating sleeve, a positive plate, a negative plate and glass fibers;
one end of the shell is pressed against the lower end of the chain connecting rod through an upper pressing nut, and the other end of the shell is pressed on the bottom shell through a lower pressing nut;
the top gasket and the bottom gasket are detachably arranged in the shell and are arranged between the upper compression nut and the lower compression nut;
the positive plate, the negative plate and the glass fiber are arranged between the top gasket and the bottom gasket, and the glass fiber is coated on the outer sides of the positive plate and the negative plate.
The heating rod is arranged on the top gasket; the thermistor is arranged on the bottom gasket.
The utility model discloses following beneficial effect has:
1. the utility model adopts the structure that the heating rod is arranged on the top gasket, the thermistor is arranged on the bottom gasket, and the controllable temperature environment and the in-situ charging and discharging device are matched at the same time, the temperature range is 20-100 ℃, and the testing environment of most batteries is satisfied;
2. the operation of replacing the positive plate/the negative plate and the positive plate/the negative plate is realized by matching the titanium zirconium alloy gaskets with different thicknesses.
3. When the sample is replaced, the battery body does not need to be completely removed, only the bottom PEEK compression nut, the bottom titanium-zirconium alloy gasket, the PEEK insulating sleeve and the large O-shaped sealing ring need to be removed, and other complicated operations are not needed.
Drawings
FIG. 1 is a schematic diagram of a schematic structure of a temperature control system installed in an all-solid-state lithium ion in-situ testing apparatus;
FIG. 2 is a schematic structural diagram of an all-solid-state lithium ion in-situ testing device;
FIG. 3 is a schematic isometric side view of a connecting device in an all-solid-state lithium ion in-situ test device;
fig. 4 is a schematic cross-sectional view of a battery body in an all-solid-state lithium ion in-situ testing device;
FIG. 5 is a schematic illustration of the position of the heating rod and the negative terminal groove in the temperature control system;
FIG. 6 is a schematic diagram of the positions of the thermistor and the positive terminal groove in the temperature control system.
Detailed Description
The following will describe the all-solid-state lithium ion in-situ testing device in further detail with reference to specific embodiments and accompanying drawings.
Example 1
The utility model relates to a non-limiting embodiment, a temperature control system, its detachable installation is in full solid-state lithium ion normal position testing arrangement, and full solid-state lithium ion normal position testing arrangement detachable installation is on the spectrometer sample six-dimensional adjustment table for neutron diffraction analysis is the dedicated experimental apparatus of neutron diffraction experiment.
Referring to fig. 1, the utility model relates to a non-limiting embodiment, an all solid-state lithium ion normal position testing arrangement includes sample device 1, detector device 2, temperature control system 3, charging and discharging system 6 and light source 5, sample device 1 is detachable installs on spectrometer sample environment six-dimensional adjustment table, temperature control system 3 sets up in sample device 1's the outside, charging and discharging system 6 and sample device 1 electric connection, detector device 2 sets up in sample device 1's the outside, light source 5 is used for producing neutron beam.
Further, the temperature control system 3 includes a temperature controller, a heating rod 30 and a thermistor 33, and the temperature controller is electrically connected to the heating rod 30 and the thermistor 33 respectively.
Further, the thermistor 33 is a platinum thermistor.
Furthermore, the temperature range of the temperature controller is 20-100 ℃.
Referring to fig. 2, according to a non-limiting embodiment of the present invention, the sample apparatus 1 includes a connection assembly 7, a sample rod 15 and a battery assembly 8, the connection assembly 7 is detachably mounted on the spectrometer sample six-dimensional adjustment table, and the battery assembly 8 is connected to the connection assembly 7 through the sample rod and 15;
in addition, the length of the sample rod 15 depends on the height of the spectrometer sample environment between the six-dimensional stage to the center beam streamline of the spectrometer.
Referring to fig. 3, according to a non-limiting embodiment of the present invention, the connection assembly 7 includes a circular ring-shaped connection flange 9 and a mounting flange 10 for mounting the sample rod, the connection assembly 7 is detachably mounted on the spectrometer sample six-dimensional adjustment table through the connection flange 9, the mounting flange 10 is mounted at the center of the circular ring of the connection flange 9, and the outer diameter of the mounting flange 10 is equal to the inner diameter of the connection flange 9, so as to improve the sealing performance; then, the mounting flange 10 is provided with a guide portion 14 for facilitating the mounting of the sample rod 15, the upper surface of the mounting flange 10 is respectively provided with at least two small lifting ring screws 11 and guide pins 12 for fixing and mounting the sample rod on the mounting flange 10, and the upper surface of the connecting flange 9 is provided with at least two large lifting ring screws 13 for moving the connecting flange 9.
Referring to fig. 4, according to a non-limiting embodiment of the present invention, the battery assembly 8 includes a top case 19, a linking rod 21, a battery body and a bottom case 17, a through hole for the linking rod 21 to extend outward from the top case 19 is formed at the top of the top case 19, the inner diameter of the through hole is equal to the outer diameter of the linking rod 21, the end of the linking rod 21 is an open groove, the outer diameter of the open groove is smaller than or equal to the inner diameter of the top case 19, so that the top case 19 is hung above the end of the linking rod 21 to improve the sealing performance of the battery assembly 8, one end of the linking rod 21 is connected to the sample rod 15, the other end of the linking rod abuts against the upper portion of the battery body through an upper pressing nut 20, the bottom case 17 is pressed against the lower portion of the battery body through a lower pressing nut 16, and the battery body is disposed between the top case 19 and the bottom case 17; then, the battery body comprises a shell 18, a top gasket 22, a bottom gasket 29, an insulating sleeve 28, a positive plate 25, a negative plate 24 and glass fibers 26, one end of the shell 18 is pressed against the lower end of the link rod 21 through an upper compression nut 20, the other end of the shell is pressed against the bottom shell 17 through a lower compression nut 16, and then the top gasket 22 and the bottom gasket 29 are detachably installed in the shell 18 and are arranged between the upper compression nut 20 and the lower compression nut 16; the positive plate 25, the negative plate 24 and the glass fiber 26 are arranged between the top gasket 22 and the bottom gasket 29, and the glass fiber 26 is coated on the outer sides of the positive plate 25 and the negative plate 24; more specifically, the following description: a top gasket 22, a negative electrode tab 24, a positive electrode tab 25 and a bottom gasket 29 are disposed from top to bottom within the housing 18.
In the process of this embodiment, it should be noted that: both the top shell 19 and the bottom shell 17 are boron nitride; the chain connecting rod 21 is made of aluminum; the case 18 of the battery body is a titanium zirconium alloy battery case; the upper compression nut 20 and the lower compression nut 16 are made of PEEK; top gasket 22 and bottom gasket 29 are both titanium zirconium alloy gaskets.
Referring to fig. 4, in a non-limiting embodiment of the present invention, at least one O-ring is disposed between the top gasket 22 and the bottom gasket 29, and the housing 18, and the insulating sleeve 28 is disposed between the bottom gasket 19 and the housing 18, for clarity, at least two O-rings 23 are disposed between the top gasket 22 and the housing 18, and at least one O-ring 27 is disposed between the bottom gasket 29 and the housing 18. Further, the method comprises the following steps: the insulating sleeve 28 is step-shaped, adopts PEEK, and wraps up in the outside of bottom gasket 29, so, lower sealing washer 27 sets up between the step of insulating sleeve 28 and the step of shell 18, and sets up the recess that is used for embedding sealing washer 23 on the top gasket 22 side, and glass fiber 26 cladding is in the outside of negative pole piece 24 and positive pole piece 25 to isolated negative pole piece 24 and the contact of positive pole piece 25 and shell.
It will be appreciated that the top gasket 22, bottom gasket 29 and housing 18 together form a sealed chamber for providing sample environmental conditions for the vacuum requirements of the positive and negative plates 25 and 24, and that the joints between the top gasket 22, bottom gasket 29 and housing 18 provide a vacuum seal via the insulating sleeve 28, upper seal ring 23 and lower seal ring 27.
Therefore, before the assembly of the battery assembly 8 is completed, calibration work at the sample site is required, the position of the lower surface of the top part 22, namely the position of the upper surface of the negative plate 24, is firstly determined, the drawing operation is performed at the same position of the outer surface of the shell 18, the drawing operation is used as a reference for roughly adjusting the position of the battery assembly 8, and finally, fine adjustment is performed through signals received by the detector device 2 after neutron diffraction through the positive plate 25 and the negative plate 24 in the battery assembly 8.
It is easily understood by those skilled in the art that the top case (top boron nitride) 19 and the bottom case (bottom boron nitride) 17 together form a shielding body of the battery assembly 8, which is used for shielding neutron diffraction signals generated by materials other than the positive plate 25 and the negative plate 24 and avoiding the influence on the neutron diffraction background, the component materials of the battery assembly 8 close to the positive plate 25 and the negative plate 24 are titanium-zirconium alloy except the glass fiber 26, so that the neutron diffraction peak is almost zero, the glass fiber 26 generates a tiny disordered neutron diffraction background after neutron diffraction, and can generate regular neutron diffraction signals for the positive plate 25 and the negative plate 24, and the PEEK insulating sleeve 28, the lower sealing ring 27 and the upper sealing ring 23 have the influence on the neutron diffraction background, but the boron nitride 17, 19 outside the PEEK insulating sleeve 27, the lower sealing ring 27 and the upper sealing ring 23 can absorb neutrons and cannot generate neutron signals.
In addition, the insulation treatment between the top gasket 22 and the shell 18 is also adhered with Capton tape, the insulation between the shell 18 and the positive plate 25 and the negative plate 24 is realized by glass fiber 26, and the PEEK compression nuts 20 and 16 are adopted to compress the upper end and the lower end of the shell, so that the PEEK compression nuts have an insulation effect, and the risk caused by mistaken contact of testing personnel during experimental testing is prevented.
Referring to fig. 1 to 6, in a non-limiting embodiment of the present invention, the heating rod 30 is disposed on the top pad, the thermistor 33 is disposed on the bottom pad, and the temperature controller can be directly connected to the household appliance through a plug without an additional power supply.
Referring to fig. 5, in a non-limiting embodiment of the present invention, the top gasket 22 is provided with a first groove for installing the heating rod 30 and a negative wiring groove 31 for the lead of the negative plate 24.
Accordingly, the link bar 21 is provided with a lead hole for electrically connecting with the lead wires of the heating rod 30 and the negative electrode wire connecting groove 31.
Referring to fig. 6, in a non-limiting embodiment of the present invention, the bottom spacer 29 is provided with a second groove for mounting the thermistor 33 and a positive wiring groove 32 for the lead of the positive plate 25.
Referring to fig. 1 to 6, in a non-limiting embodiment of the present invention, the heating rod 30 heats the positive plate 25 and the negative plate 24 respectively by means of heat transfer to reach the temperature required for reaction, and the temperature continues to be transferred, and the feedback adjustment is realized by the thermistor 33 to ensure the requirement of the environmental temperature of the sample.
Referring to fig. 1 to 6, the charging and discharging system 6 includes a battery testing system and a PC terminal 4 electrically connected to the battery testing system, and meanwhile, the battery testing system is electrically connected to the positive wiring groove 32 and the negative wiring groove 31, respectively, so as to set charging and discharging conditions and testing contents.
Referring to fig. 1, a detector arrangement 2 is used to receive the signal scattered/diffracted by the cell from the light source 5.
In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above embodiments are only specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, many variations and modifications are possible without departing from the inventive concept, and such obvious alternatives fall within the scope of the invention.
Claims (6)
1. A temperature control system, characterized by: the temperature control system is detachably arranged on the all-solid-state lithium ion in-situ testing device and comprises a heating rod, a thermistor and a temperature controller, wherein the temperature controller is electrically connected with the heating rod and the thermistor respectively.
2. A temperature control system according to claim 1, wherein: the thermistor is a platinum thermistor.
3. A temperature control system according to claim 1, wherein: the in-situ test device comprises a charge-discharge system, a detector device and a sample device;
the temperature control system and the detector device are respectively arranged at the outer side of the sample device;
the charging and discharging system is electrically connected with the sample device;
the sample device comprises a connecting component, a sample rod and a battery component, wherein the battery component is communicated and connected with the connecting component through the sample rod.
4. A temperature control system according to claim 3, wherein: the battery assembly comprises a top shell, a link rod, a battery body and a bottom shell;
the top of the top shell is provided with a through hole for the link rod to extend outwards from the inside of the top shell, and the inner diameter of the through hole is equal to the outer diameter of the link rod;
one end of the link rod is communicated with the sample rod, and the other end of the link rod is pressed on the upper part of the battery body through an upper compression nut;
the bottom shell is tightly pressed on the lower part of the battery body through a lower pressing nut;
the battery body is arranged between the top shell and the bottom shell.
5. A temperature control system according to claim 4, wherein: the battery body comprises a shell, a top gasket, a bottom gasket, an insulating sleeve, a positive plate, a negative plate and glass fibers;
one end of the shell is pressed against the lower end of the chain connecting rod through an upper pressing nut, and the other end of the shell is pressed on the bottom shell through a lower pressing nut;
the top gasket and the bottom gasket are detachably arranged in the shell and are arranged between the upper compression nut and the lower compression nut;
the positive plate, the negative plate and the glass fiber are arranged between the top gasket and the bottom gasket, and the glass fiber is coated on the outer sides of the positive plate and the negative plate.
6. A temperature control system according to claim 1, wherein: the heating rod is arranged on the top gasket; the thermistor is arranged on the bottom gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222717520.7U CN218766715U (en) | 2022-10-14 | 2022-10-14 | Temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222717520.7U CN218766715U (en) | 2022-10-14 | 2022-10-14 | Temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218766715U true CN218766715U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222717520.7U Active CN218766715U (en) | 2022-10-14 | 2022-10-14 | Temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218766715U (en) |
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2022
- 2022-10-14 CN CN202222717520.7U patent/CN218766715U/en active Active
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