CN210416234U

CN210416234U - Intelligent power management box for automobile

Info

Publication number: CN210416234U
Application number: CN201920348962.4U
Authority: CN
Inventors: 张益滔; 韩秀坤; 王汉杰; 张文博
Original assignee: Henan Yuely Electrical Appliances Co ltd
Current assignee: Henan Yuely Electrical Appliances Co ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-04-28
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses an automobile intelligent power management box, which comprises an electric control panel and a copper bar, wherein recoverable fuses are arranged between the electric control panel and each electric appliance; the intelligent control system further comprises an intelligent control module, and the intelligent control module is connected with the vehicle center console. The utility model provides an automobile intelligent power management box, which not only can complete reasonable and effective distribution of the electric energy of the storage battery, but also can effectively avoid the loss of the storage battery caused by electric appliance faults in an automobile electric appliance system; the intelligent control module can acquire the state of the power management box in real time and transmit data to the vehicle central console, the data are easy to check, maintenance personnel can check fault reasons through the data displayed on the central console when the vehicle fails, faults are quickly processed, and maintenance time is saved.

Description

Intelligent power management box for automobile

Technical Field

The utility model belongs to car distribution field, concretely relates to car intelligent power management case.

Background

In an electrical control system of a new energy automobile or a hybrid electric vehicle, electric energy generated by a battery needs to be distributed to electric equipment such as a display screen, an ABS system, a cooling and heating fan and the like to maintain normal operation of a vehicle system. The reasonable and effective distribution of the electric energy can effectively reduce the loss of the storage battery, prolong the service life of the storage battery and has the function of increasing the driving mileage of the new energy automobile.

The automobile power management box is widely applied to an electric appliance control system of a new energy automobile or a hybrid automobile. The automobile power management box is a main accessory which reasonably distributes the electric energy generated by the storage battery to each electric appliance needing to consume the electric energy on the vehicle. Different from a central electric appliance control box, the power management box mainly completes the distribution of the primary large current of the storage battery.

The existing automobile power management box is simple in structure, single in function, and capable of achieving distribution of electric energy by being mounted on an electric appliance circuit board, carrying a relay and a fuse and being externally connected with copper bars and sheaths. Although the function of electric energy distribution of the automobile power management box is realized in the prior art, the power management box is not provided with an intelligent module, and the running states of the automobile power management box and electrical equipment cannot be effectively monitored; the problems that the vehicle-mounted electric appliances of the automobile are difficult to monitor and maintain, and the fault points are difficult to analyze and confirm when the electric appliances have faults also exist.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists among the above-mentioned prior art, the utility model aims at providing a take intelligent object's car intelligent power management case for car.

The purpose of the utility model is realized through the following technical scheme.

An automobile intelligent power management box comprises an electrical control panel and a copper bar, wherein the copper bar is used for accessing electric energy generated by a storage battery, the input end of the electrical control panel is connected with the output end of the copper bar, the output end of the electrical control panel is connected with each electric appliance in an automobile, and a recoverable fuse is arranged between the electrical control panel and each electric appliance;

the intelligent control module is connected with the vehicle center console; the intelligent control module comprises a power module, a CPU module, a voltage and current acquisition module, a temperature and humidity acquisition module, a CAN communication module and an external storage module, wherein the power module is respectively connected with the CPU module, the voltage and current acquisition module, the temperature and humidity acquisition module, the CAN communication module and the external storage module for power supply, the input end of the voltage and current acquisition module is connected with the copper bar, and the output end of the voltage and current acquisition module is connected with the CPU module; the temperature and humidity acquisition module is arranged in the automobile intelligent power management box, and the output end of the temperature and humidity acquisition module is connected with the CPU module; the external storage module is connected with the CPU module, and the CPU module is connected with the vehicle center console through the CAN communication module.

The voltage and current acquisition module is a current transformer with a voltage function, the current transformer detects the current of the copper bar in an electromagnetic coupling mode, and the current transformer is arranged above the copper bar.

The temperature and humidity acquisition module is a temperature and humidity sensor which is attached to the intelligent control module.

The input voltage of the power supply module is 24V.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model provides a car intelligent power management case can not only accomplish the reasonable effective distribution of battery electric energy among the prior art, carries on recoverable formula fuse in the power management case moreover, can effectively avoid the loss of electrical apparatus trouble to the battery among the automobile electrical system.

2. The intelligent control module can acquire states such as voltage, current and temperature and humidity of the power management box in real time, and transmits data to the vehicle central console, the data are easy to check, maintenance personnel can check fault reasons through data displayed on the central console when the vehicle fails, faults are quickly processed, and maintenance time is saved.

3. The maintenance personnel can regularly check the voltage and current data in the power management box through the data displayed on the vehicle center console, and the maintenance personnel judge whether the vehicle-mounted electrical appliance needs to be maintained according to the voltage and current data, so that the loss of the electrical appliance fault in the vehicle to the storage battery is effectively reduced, and the service life and the endurance mileage of the new energy vehicle storage battery are prolonged.

4. The utility model provides an automobile intelligent power management box, which adopts the distributed CAN communication module to communicate with the vehicle center console, and has the characteristics of high communication speed, high efficiency, good real-time performance and strong anti-interference capability; the intelligent control module is convenient to install and easy to disassemble and replace.

Drawings

Fig. 1 is a schematic diagram of a power management box according to a first embodiment.

Fig. 2 is a schematic diagram of an intelligent control module according to a first embodiment.

Detailed Description

Example one

As shown in figures 1-2, an intelligent power management box for an automobile is used for distributing electric energy generated by a storage battery in the automobile. Including electrical control board, copper bar, the copper bar is used for inserting the electric energy that the battery produced, and electrical control board's input is connected with the output of copper bar, and electrical control board is used for redistributing the electric energy on the copper bar, and electrical control board's output and each electrical apparatus in the car are connected, and each electrical apparatus can be display screen, ABS system, consumer such as cold-hot air fan, is provided with recoverable formula fuse between electrical control board and each electrical apparatus. Wherein the control of the redistribution of electrical energy by the electrical control board is prior art.

The intelligent control system is characterized by further comprising an intelligent control module, wherein the intelligent control module is connected with the vehicle center console, and the intelligent control module is communicated with the center console of an automobile manufacturer through a fixed communication protocol. And the center console is used for displaying the voltage current value and the temperature and humidity value transmitted by the intelligent control module. The center console is a well-known technology, and the present invention is not described in detail.

The intelligent control module comprises a power module, a CPU module, a voltage and current acquisition module, a temperature and humidity acquisition module, a CAN communication module and an external storage module, wherein the power module supplies power to the intelligent control module, the CPU module is used for receiving information acquired by the voltage and current acquisition module and the temperature and humidity acquisition module, transmitting the information to a vehicle center console for display and transmitting the information to the external storage module for storage, the CPU module presets alarm threshold values of temperature, humidity and voltage and current, and the alarm threshold values comprise abnormal values, excess values and dangerous values. The CPU module is well known to those skilled in the art and the present invention will not be described in detail.

The input power supply of the power supply module is 24V, and the power supply module converts the input 24V voltage and then is respectively connected with the CPU module, the voltage and current acquisition module, the temperature and humidity acquisition module, the CAN communication module and the external storage module for power supply.

The input end of the voltage and current acquisition module is connected with the copper bar, and the output end of the voltage and current acquisition module is connected with the CPU module.

The temperature and humidity acquisition module is arranged in the automobile intelligent power management box, and the output end of the temperature and humidity acquisition module is connected with the CPU module.

The external storage module is connected with the CPU module.

The CPU module is connected with the vehicle center console through the CAN communication module.

The working mode of the first embodiment is as follows: and arranging an automobile intelligent power management box according to the connection relation. After the battery produced the electric energy, on transmitting the electric energy to the copper bar, the copper bar is connected with electrical control board, and electrical control board transmits the electric energy for each consumer according to the electric command, is provided with recoverable formula fuse between electrical control board and each consumer, and when the electrical apparatus broke down, recoverable formula fuse can effectively avoid producing the influence to the battery because of the heavy current that the electrical apparatus trouble produced.

The power module inserts the 24V power, for the power supply of intelligent control module, the voltage current value on the copper bar and the temperature and humidity value in the power management incasement are gathered in real time to voltage current collection module and humiture collection module among the intelligent control module, and give the CPU module with the information transmission who gathers, the CPU module transmits the information for the vehicle center console through CAN communication module, and show on the center console, and simultaneously, the CPU module transmits the information for outside storage module and is used for the storage information.

When the voltage current value or the temperature and humidity value reaches an abnormal value threshold value preset in the CPU module, the CPU module sends alarm information according to preset steps, the alarm information can be preset to be that when the voltage current value or the temperature and humidity value reaches the abnormal value, alarm prompt is firstly carried out, in an alarm prompt time period, the voltage current value or the temperature and humidity value does not recover to a normal value, an instruction is sent to control a central control instrument platform to repeatedly flash for 1 minute at the frequency of once every 2 seconds, and prompt of abnormal voltage current value or temperature and humidity value of a power management box is displayed until the normal value is recovered.

When the voltage current value or the temperature and humidity value reaches an excess value threshold value preset in the CPU module, the CPU module sends alarm information according to preset steps, the alarm information can be preset to be that when the voltage current value or the temperature and humidity value reaches the excess value, alarm prompting is firstly carried out, in an alarm prompting time period, the voltage current value or the temperature and humidity value does not recover to a normal value, an instruction is sent to control the central control instrument desk to continuously and repeatedly flash at a frequency of once every 2 seconds, and the excess prompt of the voltage current value or the temperature and humidity value of the power management box is displayed until the normal value is recovered.

When the voltage current value or the temperature and humidity value reaches a preset dangerous value threshold value in the CPU module, the CPU module sends alarm information according to preset steps, the alarm information can be preset to be that when the voltage current value or the temperature and humidity value reaches the dangerous value, alarm prompt is firstly carried out, in the alarm prompt time period, the voltage current value or the temperature and humidity value does not recover to a normal value, an instruction is sent to control the central control instrument desk to continuously and repeatedly flash at the frequency of one time per 1 second, and prompt of asking for parking inspection when the voltage current value or the temperature and humidity value of the power management box is excessive is displayed until the normal value is recovered.

The CPU module can be set to cut off the main switch of the power distribution power supply when the current fault value reaches a dangerous value so as to prevent the storage battery from being damaged by large current.

Example two

The difference between the present embodiment and the embodiment is that the voltage and current acquisition module in the present embodiment is configured as a current transformer with voltage function, the current transformer is disposed above the copper bar through electromagnetic coupling, and the current transformer may select the current transformer with the MLX91205 model.

The temperature and humidity acquisition module is a temperature and humidity sensor, the temperature and humidity sensor adopts an SHT11 model temperature and humidity sensor chip, and the temperature and humidity sensor can be attached to the intelligent control module so as to save space in the power management box. The rest is the same as the first embodiment.

The above description is only a preferred embodiment of the present invention, and is not a limitation to the technical solution of the present invention, and it should be noted that, further improvements and changes can be made by those skilled in the art on the premise of the technical solution of the present invention, and all such improvements and changes should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a car intelligent power management case, includes electrical control board, copper bar, and the copper bar is used for inserting the electric energy that the battery produced, and the input of electrical control board is connected with the output of copper bar, and its characterized in that is connected to each electrical apparatus in the output of electrical control board and the car: recoverable fuses are arranged between the electric control panel and each electric appliance;

2. The intelligent power management box of claim 1, wherein: the voltage and current acquisition module is a current transformer with a voltage function, the current transformer detects the current of the copper bar in an electromagnetic coupling mode, and the current transformer is arranged above the copper bar.

3. The intelligent power management box of claim 1, wherein: the temperature and humidity acquisition module is a temperature and humidity sensor which is attached to the intelligent control module.

4. The intelligent power management box of claim 1, wherein: the input voltage of the power supply module is 24V.