阅读说明：本技术 一种锂电池工作温度管理控制系统 (Lithium battery working temperature management control system ) 是由 王诒永 王娜 于 2019-09-24 设计创作，主要内容包括：本发明涉及锂电池技术领域,提供一种锂电池工作温度管理控制系统,包括温湿度采样模块、中央处理模块、显示模块、温湿度处理模块、模数转化器和声光报警模块,所述温湿度采样模块的信号输出端连接在模数转化器的输入端,所述模数转化器的信号输出端连接在中央处理模块的信号输入端,所述中央处理模块的信号输出端连接有相互独立的显示模块、温湿度处理模块和声光报警模块,本发明使得锂电池的工作温度一直处于适宜的范围,提高了锂电池的工作效率和增加了锂电池使用寿命。(The invention relates to the technical field of lithium batteries, and provides a lithium battery working temperature management control system which comprises a temperature and humidity sampling module, a central processing module, a display module, a temperature and humidity processing module, an analog-to-digital converter and an acousto-optic alarm module, wherein the signal output end of the temperature and humidity sampling module is connected with the input end of the analog-to-digital converter, the signal output end of the analog-to-digital converter is connected with the signal input end of the central processing module, and the signal output end of the central processing module is connected with the display module, the temperature and humidity processing module and the acousto-optic alarm module which are mutually independent.)

1. The utility model provides a lithium cell operating temperature management control system which characterized in that: the temperature and humidity monitoring system comprises a temperature and humidity sampling module, a central processing module, a display module, a temperature and humidity processing module, an analog-to-digital converter and a sound-light alarm module, wherein a signal output end of the temperature and humidity sampling module is connected to an input end of the analog-to-digital converter, a signal output end of the analog-to-digital converter is connected to a signal input end of the central processing module, and a signal output end of the central processing module is connected with the display module, the temperature and humidity processing module and the sound-light alarm.

2. The lithium battery working temperature management and control system as claimed in claim 1, wherein the central processing module is an AT89C51 single chip microcomputer for central operation and control and coordination of the operation of each module of the system.

3. The lithium battery working temperature management and control system according to claim 1, wherein the temperature and humidity sampling module comprises a plurality of temperature and humidity sensors distributed in the lithium battery working space, and the temperature and humidity sensors are temperature and humidity probes of HC2A-S type.

4. The lithium battery working temperature management and control system of claim 1, wherein the display module comprises an LCD screen installed in the control room for displaying real-time temperature and humidity values.

5. The lithium battery working temperature management and control system as claimed in claim 1, wherein the sound and light alarm module comprises a sound alarm and an alarm lamp alarm installed in the control room, the sound alarm is a buzzer, and the alarm lamp is a three-color alarm lamp.

6. The lithium battery working temperature management and control system of claim 1, wherein the analog-to-digital converter is an ADC0809 analog-to-digital converter, and is configured to convert analog signals collected by the temperature and humidity sampling module into digital signals and transmit the digital signals to the central processing module.

7. The lithium battery working temperature management and control system according to claim 1, wherein the temperature and humidity processing module comprises a heat dissipation loop and a PTC water heater which are installed in the lithium battery, and the heat dissipation loop and the PTC water heater are connected in series.

8. The lithium battery working temperature management and control system as claimed in claim 1, wherein the heat dissipation loop comprises a plate heat exchanger and an air conditioning loop which are connected, and an input end of the air conditioning loop is connected with an air conditioning compressor for refrigeration.

Technical Field

The invention relates to the technical field of lithium batteries, in particular to a lithium battery working temperature management control system.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, the lithium metal battery is firstly proposed and researched by Gilbert N.Lewis in 1912, and the lithium battery is proposed and researched by M.S.Whittingham in the 70 th century, because the chemical properties of the lithium metal are very active, the lithium metal has very high requirements on the environment during processing, storage and use, and the lithium battery becomes a mainstream at present along with the development of scientific technology.

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable; the safety, specific capacity, self-discharge rate and cost performance of the lithium metal battery are all superior to those of the lithium ion battery, but due to the high technical requirement limit of the lithium metal battery, only a few national companies produce the lithium metal battery at present.

In actual production and use, due to the thermal characteristics of the lithium battery, when the temperature of the battery is higher than 50 ℃, the discharge efficiency and the service life are greatly attenuated, when the temperature of the battery is higher than 70 ℃, great potential safety hazards exist, researches show that the optimal working temperature range of the lithium battery is 25-40 ℃, and the lithium battery can be better protected and can exert the maximum efficiency in the working temperature range.

Disclosure of Invention

Solves the technical problem

Aiming at the defects of the prior art, the invention provides a lithium battery working temperature management control system, which solves the problems that when the lithium battery is actually produced and used, due to the thermal characteristics of the lithium battery, when the temperature of the battery is higher than 50 ℃, the discharging efficiency and the service life are greatly attenuated, when the temperature of the battery is higher than 70 ℃, a great potential safety hazard exists, and researches show that the optimal working temperature range of the lithium battery is 25-40 ℃, and the lithium battery can be better protected and can exert the maximum efficiency in the working temperature range.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a lithium cell operating temperature management control system, includes humiture sampling module, central processing module, display module, humiture processing module, analog-to-digital converter and audible-visual alarm module, the signal output part of humiture sampling module is connected at the input of analog-to-digital converter, the signal output part of analog-to-digital converter is connected at central processing module's signal input part, central processing module's signal output part is connected with mutually independent display module, humiture processing module and audible-visual alarm module.

Furthermore, the central processing module adopts an AT89C51 singlechip for central operation and control and coordination of the work of each module of the system.

Furthermore, the temperature and humidity sampling module comprises a plurality of temperature and humidity sensors distributed in the working space of the lithium battery, and the temperature and humidity sensors are temperature and humidity probes of HC2A-S type.

Furthermore, the display module comprises an LCD screen arranged in the control room and used for displaying real-time temperature and humidity values.

Furthermore, the sound and light alarm module comprises a sound alarm and an alarm lamp which are installed in the control room, wherein the sound alarm selects a buzzer, and the alarm lamp selects a three-color alarm lamp.

Furthermore, the analog-to-digital converter is selected as an analog-to-digital converter with the model number of ADC0809, and is used for converting analog signals collected by the temperature and humidity sampling module into digital signals and transmitting the digital signals to the central processing module.

Furthermore, the temperature and humidity processing module comprises a heat dissipation loop and a PTC water heater which are installed in the lithium battery, and the heat dissipation loop and the PTC water heater are connected in series.

Furthermore, the heat dissipation loop comprises a plate heat exchanger and an air conditioning loop which are connected, and the input end of the air conditioning loop is connected with a compressor for refrigerating an air conditioner.

Advantageous effects

The invention provides a lithium battery working temperature management control system, compared with the prior art, the lithium battery working temperature management control system has the following beneficial effects:

1. according to the invention, the temperature and humidity value of the lithium battery during working can be sampled at multiple points in real time and averaged by arranging the temperature and humidity sampling module, the central processing module, the display module, the temperature and humidity processing module, the analog-to-digital converter and the acousto-optic alarm module, the sampled analog signal is converted into a digital signal by the analog-to-digital converter and transmitted to the central processing module, the central processing module makes a difference between the received digital signal and a standard value, and the temperature and humidity processing module is rapidly controlled to act or maintain the original state according to the difference result, so that the working temperature of the lithium battery is always in an appropriate range, the working efficiency of the lithium battery is improved, and the service life of the lithium battery.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic wire frame diagram illustrating the operation of the present invention;

FIG. 2 is a schematic view of a temperature and humidity sampling process according to the present invention;

fig. 3 is a schematic flow chart of the working principle of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.