Printed circuit board and power supply system
This application involves power control technology fields, and in particular to power supply technology field more particularly to printed circuit
Plate and power supply system.
Attention with country to environmental protection industry, more and more low pollutions or free of contamination project develop rapidly.
The advantage that electric car has zero-emission, low noise, maintenance cost low, becomes the developing direction of Global Auto industry future.
Currently, the battery of electric car mainly includes lead-acid accumulator and lithium ion battery.Wherein, when lead-acid accumulator fills
When electric insufficient, the lead sulfate of yin-yang two-plate cannot convert completely becomes spongy lead and lead oxide, if long-term undercharge,
It will cause lead sulfate crystallizations, make plate vulcanizing, and battery quality deteriorates；If instead battery overcharges, the oxygen of anode generation
Tolerance is greater than the adsorption capacity of cathode, so that accumulator internal pressure increases, causes gas excessive, and electrolyte is reduced, it is also possible to be caused
Active material softens or falls off, and battery life greatly shortens, and therefore, the application range of lead-acid accumulator is smaller.Lithium ion battery
It is big with specific energy, specific power is high, self discharge is small, memory-less effect, cycle characteristics are good, can repid discharge and it is high-efficient, work
The advantages of temperature range is wide and non-environmental-pollution, is used widely in actual application.
But there are also some shortcomings of itself for lithium ion battery, for example, lithium ion battery is in electric discharge and charging process medium temperature
It spends higher；Meanwhile being attached between lithium ion battery by conducting wire, and conducting wire is easy to appear aging after prolonged use and breaks
Split or short circuit phenomena such as, seriously affect lithium ion battery using safe.
Summary of the invention
This application provides printed circuit board and power supply systems, to solve the problems, such as to mention in background technique.
In a first aspect, the printed circuit board includes: the first encapsulated layer, electricity this application provides a kind of printed circuit board
Road floor, the second encapsulated layer and electrode interface group sequence, wherein the circuit layer be encapsulated in the first encapsulated layer and the second encapsulated layer it
Between, the electrode interface group includes for connecting the anode of the same battery and two electrode interfaces of cathode, each electricity
Pole interface runs through first encapsulated layer, circuit layer, the second encapsulated layer, includes a setting between the adjacent electrode interface group
Electrode cable on the circuit layer, the both ends of the electrode cable are separately connected one in the adjacent electrode interface group
In some embodiments, the printed circuit board further includes temperature sensor, temperature lead and temperature monitoring module,
The temperature sensor is used to measure the temperature information of battery, and the temperature monitoring module is used for by being arranged in the circuit layer
On the temperature lead acquire and show the temperature information.
In some embodiments, the printed circuit board further includes voltage detection module and voltage conductor, the voltage inspection
It surveys module to connect by the voltage conductor being arranged on the circuit layer with the electrode interface, for measuring the electrode
The information of voltage of the battery of interface group connection.
In some embodiments, the printed circuit board further includes communication module, the communication module respectively with the temperature
Degree monitoring module is connected with voltage detection module, for the temperature information and information of voltage to be passed through wired or wireless mode
It is sent to communication receiver.
In some embodiments, the printed circuit board further includes charging socket and charging conductor, and the charging socket is used
In connection external power supply, it is connect by the charging conductor being arranged on the circuit layer with the electrode interface, and pass through
Electrode interface group where the electrode interface is battery charging.
Second aspect, this application provides a kind of power supply system, the power supply system includes: the printing of above-mentioned first aspect
Circuit board and at least one battery；According to the connection type of the electrode cable on the printed circuit board, the battery series connection is set
In some embodiments, the setting position of the battery is arranged in the temperature sensor on the printed circuit board.
In some embodiments, the power supply system further includes fixing piece, and the fixing piece by the electrode for being connect
The battery is fixed on the printed circuit board by mouth.
In some embodiments, the power supply system further includes shell, and the printed circuit board and battery are placed in outside described
In some embodiments, the shell further includes bolster, and for buffering to external force, the bolster is placed in
On the outer casing inner wall, and contacted respectively with the printed circuit board and battery.
Circuit layer is encapsulated in the first encapsulated layer and the second encapsulated layer by printed circuit board provided by the present application and power supply system
Between, aging circuit is avoided, ensure that line security.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the sectional view according to the printed circuit board of the application；
Fig. 2 is the composed structure schematic diagram according to the power supply system of the application.
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, part relevant to related invention is illustrated only in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 shows the sectional view of the printed circuit board 100 of the application.
As shown in Figure 1, printed circuit board 100 includes the first encapsulated layer 101, circuit layer 102, the second encapsulated layer 103 and electricity
Pole interface group sequence (including multiple electrodes interface group 104), wherein the circuit layer 102 is encapsulated in the first encapsulated layer 101 and
Between two encapsulated layers 103, the electrode interface group 104 includes for connecting the positive and negative of the same battery (that is, lithium battery)
Two electrode interfaces of pole, each electrode interface run through first encapsulated layer, circuit layer, the second encapsulated layer, adjacent institute
Stating between electrode interface group includes an electrode cable being arranged on the circuit layer, and the both ends of the electrode cable connect respectively
Connect an electrode interface in the adjacent electrode interface group.Circuit layer can be set to multilayer as needed, and specific view is practical
Depending on situation.
Printed circuit board reduces the mistake of wiring and the assembly of lithium battery, and wiring density is high, small in size, light-weight, and
And there is extremely strong durability, longer life expectancy avoids the complicated wiring and aging when the existing connection lithium battery by conducting wire
Phenomenon improves the space utilization rate of electric car；Meanwhile the cost of printed circuit is lower than the cost of lithium battery conducting wire.
For lithium battery while with a variety of advantages, there are also the deficiencies of itself, for example, lithium ion battery is discharging and charging
Temperature is higher in the process, in order to guarantee the safety of battery, needs to be monitored the temperature of lithium battery.
In some optional implementations of the present embodiment, the printed circuit board further includes temperature sensor, temperature
Conducting wire and temperature monitoring module, the temperature sensor are used to measure the temperature information of battery, and the temperature monitoring module is used for
It is acquired by the temperature lead being arranged on the circuit layer and shows the temperature information.It should be noted that temperature
Other than it can be set on battery electrode other positions of battery can also be arranged in, with specific reference to actual needs in sensor
In some optional implementations of the present embodiment, the lithium battery of electric car is not single lithium battery, and
Large-scale lithium battery group at lithium battery group, in general, lithium battery has good consistency, but in the process of charging and discharging
In, it also will appear the situation of a small number of lithium battery voltage shakinesses.Therefore, the printed circuit board further includes voltage detection module and electricity
Conducting wire is pressed, the voltage detection module passes through the voltage conductor being arranged on the circuit layer and the electrode interface connects
It connects, the information of voltage of the battery for measuring the electrode interface group connection.
In some optional implementations of the present embodiment, the lithium battery of electric car is placed on automobile trunk, vapour
Chassis or engine are put together, and placement location is different, cause to be routed complex；And need the temperature to lithium battery
Degree and voltage are monitored.Therefore, the printed circuit board further includes communication module, the communication module respectively with the temperature
Monitoring module is connected with voltage detection module, for sending out the temperature information and information of voltage by wired or wireless mode
Give communication receiver.The communication module of the present embodiment can be wireless communication module, transmits convenient for signal and avoids being routed.
In some optional implementations of the present embodiment, for the ease of charging to lithium battery, need printing
Charging device is set on circuit board.Therefore, the printed circuit board further includes charging socket and charging conductor, the charging socket
For connecting external power supply, it is connect by the charging conductor being arranged on the circuit layer with the electrode interface, and lead to
Electrode interface group where crossing the electrode interface is battery charging.External power supply can be charging pile and other power supplys, also,
Charging conductor is enabled to each lithium battery while being charged, and improves charge efficiency.
Fig. 2 shows the composed structure schematic diagrames of the power supply system 200 of the application.
As shown in Figure 2, power supply system 200 includes the printed circuit board 201 and at least one battery 202 of Fig. 1；In order to obtain
Very big driving voltage, the lithium battery on electric car need series-fed.Therefore, it is necessary to according to the printed circuit board 201
On electrode cable connection type, the battery is arranged in series.
It include n group electrode interface group sequence on printed circuit board 201, corresponding includes n lithium battery (C1-Cn), Pn-1 item
Electrode cable further includes charging socket M, temperature monitoring module T, voltage detection module V and communication module IC.In order to reduce cloth
Line, the electrode between lithium battery are alternately arranged, and keep electrode cable most short.Temperature sensor on the printed circuit board is according to lithium
The arrangement of battery can be set in the setting position of lithium battery.Radiator is also provided on printed circuit board 201, such as
Fan etc. can cool down to battery when temperature reaches set temperature.
In some optional implementations of the present embodiment, after lithium battery 202 and the connection of printed circuit board 201, need
Lithium battery 202 and printed circuit board 201 are fixed together, guarantee powered stable.The power supply system further includes fixing piece, institute
Fixing piece is stated for the battery to be fixed on the printed circuit board by the electrode interface.The printing electricity of the present embodiment
Road plate 201 is connect by electrode interface with the electrode of lithium battery 202, correspondingly, fixing piece is used for the electrode by lithium battery 202
Lithium battery 202 is fixed on printed circuit board 201.
In some optional implementations of the present embodiment, the power supply system further includes shell, the printed circuit
Plate and battery are placed in the shell.To protect lithium battery 202 and printed circuit board 201, while to lithium battery 202 and printing electricity
Road plate 201 carries out whole fixation, convenient for the maintenance to lithium battery 202 and printed circuit board 201.Ventilation has can be set in shell
Hole cools down convenient for lithium battery 202.
In some optional implementations of the present embodiment, the shell further includes bolster, for carrying out to external force
Buffering, the bolster is placed on the outer casing inner wall, and is contacted respectively with the printed circuit board and battery.Bolster can
To be rubber pad or insulated spring, it can also be other devices worked as a buffer.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Any combination and the other technical solutions formed.Such as features described above has similar function with (but being not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.