CN209516673U

CN209516673U - A kind of BMS main control module

Info

Publication number: CN209516673U
Application number: CN201920211072.9U
Authority: CN
Inventors: 康锦辉; 黄刚
Original assignee: Zhongshan Huaye New Energy Co Ltd
Current assignee: Zhongshan Huaye New Energy Co Ltd
Priority date: 2019-02-18
Filing date: 2019-02-18
Publication date: 2019-10-18
Anticipated expiration: 2029-02-18

Abstract

The utility model discloses a kind of BMS main control modules, including shell, the connectivity port for being located at the intracorporal circuit board of shell and being located on shell, circuit board includes MCU, charge management circuit, current collection circuit, temperature collection circuit, insulation detecting circuit, total voltage current collection circuit, communicating circuit and power supply, MCU and connectivity port are connect with charge management circuit, current collection circuit, temperature collection circuit, insulation detecting circuit, total voltage current collection circuit and communicating circuit respectively, and power supply is for powering.Charge management circuit can detect charging and discharging currents, total voltage current collection circuit detects battery-end, load end total voltage/electric current, insulation detecting circuit can be detected and be calculated to the insulation resistance of battery positive, load and vehicle body, compared with existing BCU, there are more functions.

Description

A kind of BMS main control module

Technical field

The utility model relates to BMS technical fields, particularly relate to a kind of BMS main control module.

Background technique

Main control module BCU and from control module BMU be battery management system (BMS) important component, main control module BCU Be connected with it is multiple from control module BMU, the effect of existing main control module BCU be only limitted to from control module BMU acquisition data into Row processing, function are relatively simple.

Utility model content

The utility model proposes a kind of BMS main control module, the effect for solving main control module BCU in the prior art is only limitted to The data acquired from control module BMU are handled, the relatively simple problem of function.

The technical solution of the utility model is achieved in that

A kind of BMS main control module including shell, is located at the intracorporal circuit board of the shell and sets connection on the housing Port, the circuit board includes MCU, charge management circuit, current collection circuit, temperature collection circuit, insulation detecting circuit, total Voltage and current Acquisition Circuit, communicating circuit and power supply, the MCU and connectivity port respectively with the charge management circuit, Current collection circuit, temperature collection circuit, insulation detecting circuit, total voltage current collection circuit are connected with communicating circuit, described Power supply is for powering.

Preferably, the power supply is inputted using Width funtion, and output two-way voltage is respectively that MCU and communicating circuit supply Electricity.

Preferably, the charge management circuit includes AC charging circuit and direct current rush-harvesting and rush-planting charging circuit.

Preferably, if the current collection circuit uses main line Hall sensor to constitute.

Preferably, the communicating circuit includes CAN communication circuit and RS485 communicating circuit.

Preferably, the communicating circuit further includes GPRS circuit/3G circuit/4G circuit/5G circuit, and the MCU passes through GPRS circuit/3G circuit/4G circuit/5G circuit uploads data to monitor supervision platform.

Preferably, the main control module uses multiple isolation technology, and the power supply uses isolated form transformer, described Insulation detecting circuit, total voltage current collection circuit and communicating circuit, which are all made of isolating chip, is isolated.

Preferably, the MCU is also connected with switching value input circuit and switching value output circuit.

Preferably, the MCU includes internal data store module.

Preferably, the MCU is also connected with two-way auxiliary output interface, is separately connected heater and fan, the MCU root The heater or fan work are controlled according to temperature information, guarantees that the temperature of the battery pack is in setting range.

The utility model has the beneficial effects that: charge management circuit can detect charging and discharging currents, total voltage Current collection circuit detects battery-end, load end total voltage/electric current, and insulation detecting circuit can be to battery positive, negative It carries and is detected and calculated with the insulation resistance of vehicle body, compared with existing BCU, there are more functions.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of main view of BMS main control module one embodiment of the utility model；

Fig. 2 is a kind of bottom view of BMS main control module one embodiment of the utility model；

Fig. 3 is a kind of circuit block diagram of BMS main control module one embodiment of the utility model；

Fig. 4 is the circuit diagram of MCU；

Fig. 5 is one of the circuit diagram of charge management circuit；

Fig. 6 is the two of the circuit diagram of charge management circuit；

Fig. 7 is the circuit diagram of current collection circuit；

Fig. 8 is the circuit diagram of temperature collection circuit；

Fig. 9 is the circuit diagram of insulation detecting circuit；

Figure 10 is the circuit diagram of total voltage current collection circuit；

Figure 11 is the circuit diagram of communicating circuit；

Figure 12 is the circuit diagram of power supply；

Figure 13 is the circuit diagram of connectivity port；

Figure 14 is the circuit diagram of switching value input circuit；

Figure 15 is the circuit diagram of switching value output circuit.

In figure, 1-MCU；2- charge management circuit；3- current collection circuit；4- temperature collection circuit；5- Insulation monitoring electricity Road；6- total voltage current collection circuit；7- communicating circuit；8- power supply；9- switching value input circuit；10- output switch parameter Circuit.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Fig. 1-Figure 15, the utility model proposes a kind of BMS main control module, including shell, to be located at shell intracorporal Circuit board and the connectivity port being located on shell, circuit board includes MCU1, charge management circuit 2, current collection circuit 3, temperature Acquisition Circuit 4, insulation detecting circuit 5, total voltage current collection circuit 6, communicating circuit 7 and power supply 8, MCU1 and connecting pin Mouth is adopted with charge management circuit 2, current collection circuit 3, temperature collection circuit 4, insulation detecting circuit 5, total voltage electric current respectively Collector 6 and communicating circuit 7 connect, and power supply 8 is for powering.

Charge management circuit 2 includes AC charging circuit and direct current rush-harvesting and rush-planting charging circuit.

If current collection circuit 3 uses main line Hall sensor to constitute.

Power supply 8 is inputted using Width funtion, and output two-way voltage is respectively that MCU1 and communicating circuit 7 are powered.Communication electricity Road 7 includes CAN communication circuit 7 and RS485 communicating circuit 7.Specifically, power supply is that 5V_MCU1 is to the output of power supply 8 all the way The power supply such as MCU1 and RS485 communicating circuit 7, in addition exporting 5V_CAN all the way is the power supply of CAN communication circuit 7.

Communicating circuit 7 further includes GPRS circuit/3G circuit/4G circuit/5G circuit, MCU1 by GPRS circuit/3G circuit/ 4G circuit/5G circuit uploads data to monitor supervision platform.

Main control module uses multiple isolation technology, and power supply 8 uses isolated form transformer, insulation detecting circuit 5, total electricity Current voltage Acquisition Circuit 63 and communicating circuit 7, which are all made of isolating chip, is isolated.Using multiple isolation technology, string can be overcome Electricity and electromagnetic interference.

MCU1 is also connected with switching value input circuit 9 and switching value output circuit 10.Switching value input circuit 9 and switching value The function of output circuit 10 is to acquire the switching value of input, and output control switch amount.

MCU1 includes internal data store module.Internal data store module is MCU1 data, in other embodiments In external connection of storage card can also be set, expand data storage capacity.

MCU1 is also connected with two-way auxiliary output interface, is separately connected heater and fan, MCU1 is according to temperature information control Heater or fan work processed guarantee that the temperature of battery pack is in setting range.

Charge management circuit 2 can detect charging and discharging currents, and total voltage current collection circuit 6 is to battery-end, negative Total voltage/the electric current for carrying end is detected, and total voltage current collection circuit 6 connects the positive output end in total contactor, Insulation monitoring Circuit 5 can be detected and be calculated to the insulation resistance of battery positive, load and vehicle body, compared with existing BCU, be had more More functions.Main control module can also operation data and failed storage, when battery breaks down, BCU carries out corresponding according to failure Protection and alarm, alarm data can be uploaded to monitor supervision platform by communicating circuit 7, and monitor supervision platform can monitor multiple electronic simultaneously The fault message and warning information of vehicle BMS system.BCU can also be communicated with master controller, the charger of electric vehicle, and control is filled Electric discharge.

Above-mentioned technical proposal discloses the improvement of the utility model, the technology contents not being disclosed in detail, can be by this field Technical staff is achieved by the prior art.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims

1. a kind of BMS main control module, including shell, it is located at the intracorporal circuit board of the shell and sets connecting pin on the housing Mouthful, it is characterised in that: the circuit board includes MCU, charge management circuit, current collection circuit, temperature collection circuit, insulation inspection Slowdown monitoring circuit, total voltage current collection circuit, communicating circuit and power supply, the MCU and connectivity port respectively with the charging Manage circuit, current collection circuit, temperature collection circuit, insulation detecting circuit, total voltage current collection circuit and communicating circuit Connection, the power supply is for powering.

2. a kind of BMS main control module according to claim 1, it is characterised in that: the power supply is defeated using Width funtion Enter, output two-way voltage is respectively MCU and communicating circuit power supply.

3. a kind of BMS main control module according to claim 1, it is characterised in that: the charge management circuit includes exchange Charging circuit and direct current rush-harvesting and rush-planting charging circuit.

4. a kind of BMS main control module according to claim 1, it is characterised in that: the current collection circuit is using several Road Hall sensor is constituted.

5. a kind of BMS main control module according to claim 1, it is characterised in that: the communicating circuit includes CAN communication electricity Road and RS485 communicating circuit.

6. a kind of BMS main control module according to claim 5, it is characterised in that: the communicating circuit further includes GPRS electricity Road/3G circuit/4G circuit/5G circuit, the MCU upload data to prison by GPRS circuit/3G circuit/4G circuit/5G circuit Control platform.

7. a kind of BMS main control module according to claim 1, it is characterised in that: the main control module uses multiple isolation Technology, the power supply use isolated form transformer, the insulation detecting circuit, total voltage current collection circuit and communication electricity Road is all made of isolating chip and is isolated.

8. a kind of BMS main control module according to claim 1, it is characterised in that: the MCU is also connected with On-off signal Circuit and switching value output circuit.

9. a kind of BMS main control module according to claim 1, it is characterised in that: the MCU includes internal data store mould Block.

10. a kind of BMS main control module according to claim 1, it is characterised in that: the MCU is also connected with two-way auxiliary Output interface is separately connected heater and fan, and the MCU controls the heater or fan work according to temperature information, protects The temperature of card battery pack is in setting range.