CN216016459U

CN216016459U - Low-power-consumption intelligent charge and discharge controller

Info

Publication number: CN216016459U
Application number: CN202120880535.8U
Authority: CN
Inventors: 陈巍
Original assignee: Nanjing Cedes Technology Co ltd
Current assignee: Nanjing Cedes Technology Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-03-11
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a low-power consumption intelligent charge-discharge controller, which comprises: the device comprises a power supply conversion module, a liquid crystal display module, a control module, a voltage control module, a temperature detection module, a voltage monitoring module and a timing counting module; the output end of the power supply conversion module is connected with one end of the control module, which is connected with the power supply conversion module, is also connected with the voltage control module, the temperature monitoring module, the voltage monitoring module and the timing counting module respectively, and the other end of the control module is connected with the liquid crystal display module. According to the low-power-consumption intelligent charge and discharge controller, the control module controls the liquid crystal display module, the control module, the voltage monitoring module, the timing counting module and the relay, so that the required charging time under different initial voltages can be recorded, and time data can be retrieved to start displaying the charging time when the same initial voltage starts to be charged next time.

Description

Low-power-consumption intelligent charge and discharge controller

Technical Field

The utility model relates to the technical field of batteries, in particular to an intelligent charge-discharge controller with low power consumption.

Background

The rapid development of electronic technology has led to the development of various electronic products in a portable and small and light-weight manner, and more electric products have been provided with a battery-based power supply system. At present, the batteries used more often include nickel-cadmium, nickel-hydrogen, lead storage batteries and lithium batteries, so the charge and discharge controllers are more and more required by people. The existing charge and discharge controller cannot accurately give the time required by charge and discharge, and only simple full charge and feed marks influence the use experience and the charge time arrangement, so that the power supply cannot be timely turned off when no worker is continuously standby, and redundant power consumption is generated.

Therefore, it is necessary to provide an intelligent charge and discharge controller with low power consumption to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides an intelligent charge-discharge controller with low power consumption, and the specific technical scheme is as follows:

low power consumptive intelligent charge and discharge controller, charge and discharge controller includes: the device comprises a power supply conversion module, a liquid crystal display module, a control module, a voltage control module, a temperature detection module, a voltage monitoring module, a timing counting module and a relay; the power supply conversion module output end is electrically connected with one end of the control module, which is connected with the power supply conversion module, is also respectively connected with the voltage control module, the temperature monitoring module, the voltage monitoring module and the timing counting module, and the relay is electrically connected, and the other end of the control module is electrically connected with the liquid crystal display module.

As an improvement of the above technical solution, the power conversion module is a typical circuit with LM7812 as the output voltage, one end of C1 is connected to the ground, the other end of C1 is connected to the input end of LM7812, C2 is an electrolytic capacitor, the negative end of C2 is connected to the ground, the positive end of C2 is connected to the output end of LM7812, and the third end of LM7812 is connected to the ground.

As an improvement of the above technical solution, the voltage monitoring module is configured to monitor voltage data of the storage battery, and the control module is configured to retrieve the voltage data of the storage battery monitored by the voltage monitoring module.

As an improvement of the technical scheme, the control module is used for sending the voltage value to the voltage control module to be compared with the rated 12V voltage.

As an improvement of the above technical solution, the control module is configured to send an instruction to the relay, the relay is configured to turn on the circuit to charge the storage battery, and the timer starts timing at the same time, and after the charging is completed, the timer ends timing and stores data.

As an improvement of the above technical solution, when it is detected that the voltage of the storage battery is lower than 12V, the control module is configured to read data stored by the timer and send the data to the liquid crystal display module, and the liquid crystal display module is configured to display a count-down second.

As an improvement of the technical scheme, when the voltage of the storage battery is detected to be higher than 12V, the control module is used for stopping charging the storage battery.

As an improvement of the technical scheme, the charge and discharge controller is controlled by a single chip microcomputer AT89S 52.

Compared with the prior art, the utility model has the following technical effects:

according to the low-power-consumption intelligent charge and discharge controller, the control module controls the liquid crystal display module, the control module, the voltage control module, the temperature detection module, the voltage monitoring module, the timing counting module and the relay, so that the required charging time under different initial voltages can be recorded, and the time data can be retrieved to start displaying the charging time when the same initial voltage starts to be charged next time.

Drawings

Fig. 1 is a block diagram of the low power consumption intelligent charge and discharge controller according to the present invention;

FIG. 2 is a circuit diagram of a power conversion module of the low power consumption intelligent charge and discharge controller of the present invention;

fig. 3 is a charging monitoring flow chart of the low power consumption intelligent charging and discharging controller according to the present invention;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Examples

The charge and discharge controller is controlled by the single chip microcomputer AT89S52, and is a scheme which is high in flexibility and low in cost and can be provided by an efficient microcontroller.

As shown in fig. 1, the low power consumption intelligent charge and discharge controller of the present invention includes: the device comprises a power supply conversion module, a liquid crystal display module, a control module, a voltage control module, a temperature detection module, a voltage monitoring module, a timing counting module and a relay; the power supply conversion module output end is electrically connected with one end of the control module, which is connected with the power supply conversion module, is also respectively connected with the voltage control module, the temperature monitoring module, the voltage monitoring module and the timing counting module, and the relay is electrically connected, and the other end of the control module is electrically connected with the liquid crystal display module.

As shown in fig. 2, the power conversion module is an LM7812 as a typical circuit with a fixed output voltage, and the power conversion module includes a capacitor C1 and a capacitor C2; c1 one end links to each other with the ground wire, the C1 other end links to each other with the LM7812 input, C2 is electrolytic capacitor, the C2 negative pole end links to each other with the ground wire, the C2 positive pole end links to each other with the LM7812 output, the LM7812 third end links to each other with the ground wire. The voltage required by a general charge-discharge controller is 12V, an LM7812 three-terminal voltage-stabilizing integrated circuit IC chip component is adopted, and the voltage difference between input and output is about 3-8V when the general charge-discharge controller normally works. The input voltage PS is 5V. The circuit is connected with a capacitor C1 for realizing frequency compensation and preventing the voltage stabilizer from generating high-frequency self-oscillation and suppressing interference introduced by the circuit, and the capacitor C2 is an electrolytic capacitor for reducing level interference introduced by an input power supply at the voltage-stabilizing voltage output end. The C1 and the C2 only play a role in filtering, and the size is selected without other special requirements.

The temperature detection module can detect the charging temperature, when the temperature is higher than the normal temperature, the control module stops charging the storage battery, and the liquid crystal display module displays the maintenance characters.

As shown in fig. 3, the low power consumption intelligent charging and discharging controller of the present invention comprises the following steps:

1. the voltage monitoring module monitors the voltage data of the storage battery, and the voltage data of the storage battery detected by the voltage monitoring module is called through the control module;

2. the voltage value is sent to the voltage control module through the control module and is compared with the rated 12V voltage;

3. when the voltage of the storage battery is detected to be lower than 12V, the control module reads data stored by the timer and sends the data to the liquid crystal display module, and the liquid crystal display module displays the counting down time for seconds; the timer can record the charging time of the inaccessible initial voltage, and when the same initial voltage is charged again, the stored data can be called to display the charging completion time.

4. When the voltage of the storage battery is detected to be lower than 12V, the control module sends an instruction to the relay, the relay is connected with the circuit to charge the storage battery, the timer starts timing, and after charging is completed, the timer finishes timing and stores data;

5. when the voltage of the storage battery is detected to be higher than 12V, the control module automatically stops charging the storage battery;

6. when the storage battery is charged, the liquid crystal display module displays charging characters, and when the storage battery is fully charged, the liquid crystal display module displays fully charged characters.

It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Low power consumptive intelligent charge-discharge controller, its characterized in that: the charge and discharge controller includes: the device comprises a power supply conversion module, a liquid crystal display module, a control module, a voltage control module, a temperature detection module, a voltage monitoring module, a timing counting module and a relay; the power supply conversion module output end is electrically connected with one end of the control module, which is connected with the power supply conversion module, is also respectively connected with the voltage control module, the temperature monitoring module, the voltage monitoring module and the timing counting module, and the relay is electrically connected, and the other end of the control module is electrically connected with the liquid crystal display module.

2. The low power consumption intelligent charge and discharge controller according to claim 1, characterized in that: the power supply conversion module is an LM7812 typical circuit with fixed output voltage, and comprises a capacitor C1 and a capacitor C2; c1 one end and ground wire electric connection, the C1 other end and LM7812 input electric connection, C2 is electrolytic capacitor, C2 negative pole end and ground wire electric connection, C2 positive pole end and LM7812 output telecommunications connection, LM7812 third end and ground wire electric connection.

3. The low power consumption intelligent charge and discharge controller according to claim 1, characterized in that: the voltage monitoring module is used for monitoring voltage data of the storage battery, and the control module calls the voltage data of the storage battery monitored by the voltage monitoring module.

4. The low power consumption intelligent charge and discharge controller according to claim 1, characterized in that: the control module is used for sending the voltage value to the voltage control module to be compared with the rated 12V voltage.

5. The low power consumption intelligent charge and discharge controller according to claim 1, characterized in that: the control module is used for sending an instruction to the relay, the relay is used for connecting the circuit to charge the storage battery, the timer starts timing, and after charging is completed, the timer finishes timing and stores data.

6. The low power consumption intelligent charge and discharge controller according to claim 1, characterized in that: and when the voltage of the storage battery is detected to be lower than 12V, the control module is used for reading the data stored by the timer and sending the data to the liquid crystal display module, and the liquid crystal display module displays the counted down seconds.

7. The low power consumption intelligent charge and discharge controller according to claim 1, characterized in that: and when the voltage of the storage battery is detected to be higher than 12V, the control module is used for stopping charging the storage battery.

8. The low power consumption intelligent charge and discharge controller according to claim 1, characterized in that: the charge and discharge controller is controlled by a single chip microcomputer AT89S 52.