CN215115993U - Lithium ion battery heat measuring device - Google Patents

Lithium ion battery heat measuring device Download PDF

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Publication number
CN215115993U
CN215115993U CN202120836688.2U CN202120836688U CN215115993U CN 215115993 U CN215115993 U CN 215115993U CN 202120836688 U CN202120836688 U CN 202120836688U CN 215115993 U CN215115993 U CN 215115993U
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China
Prior art keywords
lithium ion
control system
temperature
ion battery
isolation cover
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CN202120836688.2U
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Chinese (zh)
Inventor
薛钢
刘彬
王潇俊
刘占鸿
代畅
赵菊琴
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Suzhou Marek Testing Technology Co ltd
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Suzhou Marek Testing Technology Co ltd
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Abstract

The utility model discloses a lithium ion battery heating device, include: the equipment main body consists of a control system, a temperature measuring system, a temperature control system, a clamping system, a charging and discharging system and a gas protection system, wherein the control system comprises control software arranged on a computer workstation, and the control software is used for controlling the temperature measuring system, the temperature control system, the clamping system, the charging and discharging system and the gas protection system; the temperature control system consists of a heater and a cooling pump, the heater is connected with a heating copper plate, and the cooling pump is connected with a cooling copper plate; the gas protection system consists of an isolation cover and a dry air bottle arranged outside the isolation cover, wherein a temperature measurement system, a temperature control system and a charging and discharging system are arranged in the isolation cover, and a control system is arranged outside the isolation cover. By recording the power change values of the heater and the cooling pump, the real-time heat production power value of the battery can be obtained, and the heat production power of the lithium ion battery in the charge and discharge process can be quickly obtained.

Description

Lithium ion battery heat measuring device
Technical Field
The utility model relates to a battery performance index data detects technical field, especially relates to a lithium ion battery heating device.
Background
Lithium ion batteries are a type of rechargeable battery commonly used in portable electronic devices and electric vehicles, and are increasingly popular in military and aerospace applications. In a battery, lithium ions move from the negative electrode to the positive electrode during discharge and return during charge. Lithium ion batteries use intercalation lithium compounds as electrode materials compared to the metallic lithium used in non-rechargeable lithium batteries. The battery has high energy density, no memory effect and low self-discharge. However, they can be a safety hazard because they contain flammable electrolytes, which can lead to explosions and fires if damaged or improperly charged.
The research fields of lithium ion batteries include life extension, energy density, safety, cost reduction, and charging speed, etc. These properties determine whether a lithium ion battery is acceptable for manufacture and can be put into service. At present, few devices can carry out accurate detection to the heat production power of battery charge-discharge in-process, and in prior art, the heat production power of quantitative measurement lithium ion battery charge-discharge in-process is not ideal, and the operation is comparatively complicated, consequently needs a device to carry out effective measurement to the heat production power of lithium ion battery charge-discharge in-process urgently.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides a lithium ion battery heating device.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a lithium ion battery thermal solution, comprising: the equipment main part of constituteing by control system, temperature measurement system, temperature control system, clamping system, charge-discharge system and gas protection system, control system includes computer workstation and sets up the control software of computer workstation, control software is used for controlling temperature measurement system, temperature control system, clamping system, charge-discharge system and gas protection system.
The temperature control system consists of a heater and a cooling pump, the heater is connected with a heating copper plate, the cooling pump is connected with a cooling copper plate, the heater is used for heating the battery, the cooling pump is used for refrigerating the battery, and the heating copper plate and the cooling copper plate are used for heat transfer and temperature balance of the battery; the gas protection system comprises an isolation cover and a dry air bottle arranged outside the isolation cover, a temperature measurement system, a temperature control system and a charging and discharging system are arranged in the isolation cover, and the control system is arranged outside the isolation cover.
In a preferred embodiment of the present invention, the temperature measuring system comprises a plurality of temperature sensors, a plurality of the temperature sensors are all disposed on the surface of the battery, and the temperature sensors are used for measuring the variation of the surface temperature of the battery.
In a preferred embodiment of the present invention, the clamping system comprises a set of metal clamps matching the external dimensions of the battery.
In a preferred embodiment of the present invention, the battery is fixed between the heating copper plate and the cooling copper plate, and the battery is electrically connected to the charge and discharge system.
In a preferred embodiment of the present invention, the metal clamp is externally covered with an insulating material, and the insulating material is made of rubber.
In a preferred embodiment of the present invention, the charging and discharging system comprises a charging and discharging device, and the charging and discharging system is used for providing the current and voltage for charging and discharging the battery.
In a preferred embodiment of the present invention, the isolation cover is provided with a gas interface, and the gas interface is used for replacing the gas in the isolation cover and the dry air in the dry air bottle.
In a preferred embodiment of the present invention, the isolation cover has a plurality of data line interfaces of different types required for connecting the device main body and the control system.
In a preferred embodiment of the present invention, the data line interface separates the inside and the outside of the shielding case from gas.
The utility model provides a defect that exists among the background art, the utility model discloses possess following beneficial effect:
(1) the utility model discloses a record heater and cooling pump power's variation value can reach the real-time heat production power numerical value of battery to obtain the heat production power of lithium ion battery charge-discharge in-process fast, accomplish the accurate detection to lithium ion battery heat production power, on the other hand is fixed the battery through heating copper and cooling copper, helps the heat transfer and the temperature equilibrium of battery, and then improves the stability and the security of battery in the use.
(2) The utility model discloses a set up gas interface on the cage, utilize gas interface to accomplish the gas in the cage and the dry air in the dry air bottle and replace, when the interior ambient humidity of cage is too high, can prevent effectively that the production comdenstion water from causing the damage to the host computer in the low temperature test in-process, reach the purpose of protection main part equipment. Meanwhile, the data line interface on the isolation hood separates the gas inside and outside the isolation hood, so that the isolation hood is always kept in a sealing state, the dry air in the drying bottle and the gas in the isolation hood are replaced more thoroughly, and the isolation hood is always kept dry.
(3) The utility model discloses the outside cladding of well metal anchor clamps has insulating material, can prevent effectively that metal anchor clamps accident when the centre gripping battery is electrically conductive to cause danger, and on the other hand, insulating material is made by rubber, can further increase frictional force between anchor clamps and the battery, and reinforcing metal anchor clamps snatchs the stability of battery.
Drawings
The present invention will be further explained with reference to the drawings and examples;
fig. 1 is a schematic diagram of the distribution of functional units according to the preferred embodiment of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic drawings and illustrate, by way of illustration only, the basic structure of the invention, and which therefore show only the constituents relevant to the invention.
As shown in fig. 1, a lithium ion battery heat measuring apparatus includes: the device comprises a device main body consisting of a control system, a temperature measuring system, a temperature control system, a clamping system, a charging and discharging system and a gas protection system, wherein the control system comprises a computer workstation and control software arranged on the computer workstation, and the control software is used for controlling the temperature measuring system, the temperature control system, the clamping system, the charging and discharging system and the gas protection system. The temperature measurement system is composed of a plurality of temperature sensors, and the plurality of temperature sensors are all arranged on the surface of the battery, so that the temperature sensors can be further ensured to be capable of accurately measuring the change of the surface temperature of the battery.
The temperature control system consists of a heater and a cooling pump, the heater is connected with a heating copper plate, the cooling pump is connected with a cooling copper plate, the heater is used for heating the battery, the cooling pump is used for refrigerating the battery, and the heating copper plate and the cooling copper plate are used for heat transfer and temperature equalization of the battery; the gas protection system consists of an isolation cover and a dry air bottle arranged outside the isolation cover, wherein a temperature measurement system, a temperature control system and a charging and discharging system are arranged in the isolation cover, and a control system is arranged outside the isolation cover. The charging and discharging system is composed of charging and discharging equipment and is used for providing current and voltage for charging and discharging the battery and ensuring stable power supply of the battery.
The utility model discloses a change value of record heater and cooling pump power can draw the real-time heat production power numerical value of battery to obtain the heat production power in the lithium ion battery charging and discharging process fast, accomplish the accurate detection to lithium ion battery heat production power, on the other hand, the battery is fixed between heating copper and cooling copper, and the battery is connected with the charging and discharging system electricity; the battery is fixed by the heating copper plate and the cooling copper plate, so that the heat transfer and temperature balance of the battery are facilitated, and the stability and safety of the battery in the use process are further improved.
In a preferred embodiment of the present invention, the isolation cover is provided with a gas interface, and the gas interface is used for replacing the gas in the isolation cover and the dry air in the dry air bottle; utilize the gas interface to accomplish the gaseous and the dry air in the dry air bottle in the cage and replace, when the interior ambient humidity of cage was too high, can effectively prevent to produce the comdenstion water and cause the damage to the host computer in the low temperature test in-process, reach the purpose of protection main equipment.
In a preferred embodiment of the present invention, the isolation cover has a plurality of data line interfaces of different types required for connecting the device main body and the control system. The data line interface keeps apart the inside and outside formation gas of cage, makes the cage remain encapsulated situation all the time, can ensure that the dry air in the drying bottle and the gaseous replacement in the cage are more thorough, makes to keep dry all the time in the cage.
In a preferred embodiment of the present invention, the clamping system comprises a set of metal clamps matching the external dimensions of the battery, the metal clamps are externally covered with an insulating material, and the insulating material is made of rubber; through having insulating material in the outside cladding of metal anchor clamps, can prevent effectively that metal anchor clamps are unexpected electrically conductive when the centre gripping battery from causing danger, on the other hand, insulating material is made by rubber, can further increase frictional force between anchor clamps and the battery, and reinforcing metal anchor clamps snatchs the stability of battery.
The utility model discloses during the use, fix the battery inside temperature control system's heating copper and cooling copper through metal anchor clamps in the test process, and carry out charge and discharge control with charge and discharge system, the temperature variation among the battery charge and discharge process is got off by temperature measurement system record, and return and give control system, control system is through the power of adjusting heater and cooling pump, make the temperature of battery control not change under the target temperature all the time, and the change value of record heater and cooling pump power, this change value equals with the real-time heat production power numerical value of battery, thereby realize the real-time quantitative measurement to the heat production of lithium ion battery charge and discharge in-process power.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. A lithium ion battery thermal solution, comprising: the equipment main body consists of a control system, a temperature measuring system, a temperature control system, a clamping system, a charging and discharging system and a gas protection system and is characterized in that,
the control system comprises a computer workstation and control software arranged on the computer workstation, and the control software is used for controlling the temperature measuring system, the temperature control system, the clamping system, the charging and discharging system and the gas protection system;
the temperature control system consists of a heater and a cooling pump, the heater is connected with a heating copper plate, the cooling pump is connected with a cooling copper plate, the heater is used for heating the battery, the cooling pump is used for refrigerating the battery, and the heating copper plate and the cooling copper plate are used for heat transfer and temperature balance of the battery;
the gas protection system comprises an isolation cover and a dry air bottle arranged outside the isolation cover, a temperature measurement system, a temperature control system and a charging and discharging system are arranged in the isolation cover, and the control system is arranged outside the isolation cover.
2. The lithium ion battery thermal management device of claim 1, wherein: the temperature measurement system comprises a plurality of temperature sensor, and is a plurality of temperature sensor all sets up the battery surface, just temperature sensor is used for measuring the change of battery surface temperature.
3. The lithium ion battery thermal management device of claim 1, wherein: the clamping system is composed of a group of metal clamps matched with the battery in shape and size.
4. The lithium ion battery thermal management device of claim 3, wherein: the battery is fixed between the heating copper plate and the cooling copper plate and is electrically connected with the charging and discharging system.
5. The lithium ion battery thermal management device of claim 3, wherein: the metal fixture is coated with an insulating material outside, and the insulating material is made of rubber.
6. The lithium ion battery thermal management device of claim 1, wherein: the charging and discharging system is composed of charging and discharging equipment and is used for providing current and voltage for charging and discharging the battery.
7. The lithium ion battery thermal management device of claim 1, wherein: the isolation cover is provided with a gas interface, and the gas interface is used for replacing gas in the isolation cover and dry air in the dry air bottle.
8. The lithium ion battery thermal management device of claim 1, wherein: the isolation cover is provided with a plurality of data line interfaces of different types required for connecting the equipment main body with the control system.
9. The lithium ion battery thermal management device of claim 8, wherein: the data line interface is used for forming gas isolation between the inside and the outside of the isolation cover.
CN202120836688.2U 2021-04-22 2021-04-22 Lithium ion battery heat measuring device Active CN215115993U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120836688.2U CN215115993U (en) 2021-04-22 2021-04-22 Lithium ion battery heat measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120836688.2U CN215115993U (en) 2021-04-22 2021-04-22 Lithium ion battery heat measuring device

Publications (1)

Publication Number Publication Date
CN215115993U true CN215115993U (en) 2021-12-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120836688.2U Active CN215115993U (en) 2021-04-22 2021-04-22 Lithium ion battery heat measuring device

Country Status (1)

Country Link
CN (1) CN215115993U (en)

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