CN207869505U - The PCB circuit board and high-tension distribution box PDU of power supply circuit - Google PatentsThe PCB circuit board and high-tension distribution box PDU of power supply circuit Download PDF
- Publication number
- CN207869505U CN207869505U CN201820287628.8U CN201820287628U CN207869505U CN 207869505 U CN207869505 U CN 207869505U CN 201820287628 U CN201820287628 U CN 201820287628U CN 207869505 U CN207869505 U CN 207869505U
- Prior art keywords
- battery management
- circuit board
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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The utility model provides a kind of PCB circuit board and high-tension distribution box PDU of power supply circuit, it is related to the technical field of battery management system, including battery management system BMS master controls, battery management system BMS is from control, the PCB circuit board of power supply circuit, contactor, Hall sensor, high-tension circuit, low-voltage circuit.Control line is drawn in battery management system BMS master controls, control line is that copper foil line is integrated in PCB circuit board, traditional harness is replaced with PCB circuit board integrated circuit, it is difficult to solve cabling complexity, assembling inside PDU, the problem of occupying larger space, keeps circuit more intuitive, is easily assembled to and overhauls, convenient for batch production, production efficiency is improved.The utility model can reduce the usage amount of harness inside PDU simultaneously, improve the safety that PDU is used, and reduce the production cost of PDU.
The utility model is related to electricity fields, more particularly, to a kind of PCT circuits of battery management system power supply circuit Plate.
With the enhancing of whole society's environmental consciousness, new-energy automobile science and technology makes constant progress.It is electronic in electric vehicle Automobile high-tension distribution box (Power Distributor Unit, PDU) is the important composition of the whole-control system of electric vehicle Part.It is to coordinate driving motor control system that it, which is acted on, battery management system (BMS), charging management system, DC/DC, and electricity is empty It adjusts, electric power steering, power and energy and the energy distribution of the high pressures attachment such as braking system, in addition, high-tension distribution box can also be real The fast break protection of existing short circuit overload, the safety protection functions such as proof and electric leakage-proof safety, PDU high-tension distribution boxes keep vehicle maintenance simpler Single, installation is more convenient, beautifies interior design of car and reduces occupied space, keep automobile batteries longer life expectancy long, reduces the daily dimension of automobile Protect cost.
Battery management system BMS is equipped in PDU, BMS is mainly used for estimating battery dump energy, in battery charge and discharge process In, terminal voltage and temperature, charging and discharging currents and the battery pack for acquiring every piece of battery in accumulator of electric car group in real time are always electric Pressure prevents battery from overcharging or overdischarging phenomenon occurs, and can also control each battery in battery pack and all reach balanced consistent State.
BMS power supply circuits control line in the prior art is mostly harness connection, and traditional harness cost is higher, use for a long time, Abrasion is easy to cause line skin aging, it may occur however that the situation of short circuit or open circuit.It is connected with harness so that cabling is multiple inside PDU Miscellaneous, assembling difficulty, occupies larger space, and circuit is not intuitive enough, is unfavorable for repair and maintenance, is not suitable for batch production, causes to give birth to It produces less efficient.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of PCT circuit boards of power supply circuit, to reduce in PDU The occupancy of portion's cabling space keeps circuit more intuitive.
To achieve the goals above, the technical solution that the utility model embodiment uses is as follows：
In a first aspect, the utility model embodiment provides a kind of PCB circuit board of power supply circuit, it is applied to high-voltaghe compartment Battery management system BMS in PDU, including：The copper foil line being integrated in PCB circuit board；Copper foil line is as control line and battery Management system BMS master controls connect；Mounting hole is equipped in PCB circuit board, mounting hole is for fixing the battery management system BMS Master control；It is provided with multi-functional contact on the control line, multi-functional contact is connected with plug receptacle, and plug receptacle is integrated in PCB circuit board On；Battery management system BMS master controls and battery management system BMS are connected from control, and battery management system BMS is from control for assisting electricity Pond manages system BMS master controls and realizes function of supplying power.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect, In, multi-functional contact is contactor contact, and contactor contact is connect with plug receptacle, and plug receptacle is for the control line with contactor Plug receptacle connection.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect Two kinds of possible embodiments, wherein contactor contact is charging contactor contact, and charging contactor is used in power supply circuit fill The switching control of electric working condition.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect Three kinds of possible embodiments, wherein contactor contact is Hall sensor contact, and Hall sensor contact connects with plug receptacle It connects, plug receptacle with the plug receptacle on the control line of Hall sensor for connecting.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect, In, multi-functional contact is battery management system BMS from control contact, and battery management system BMS is from control contact and battery management system BMS is connected from control, and battery management system BMS forms access from control and battery management system BMS master controls.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect Five kinds of possible embodiments, wherein battery management system BMS is more than or equal to 1 from the number of control.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect, In, battery management system BMS master controls are connected with low-voltage circuit.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect, In, battery management system BMS master controls are connected with high-tension circuit.
With reference to first aspect and its one of each possible embodiment, the utility model embodiment provides first aspect 8th kind of possible embodiment, wherein plug receptacle specification is consistent.
Second aspect, the utility model embodiment also provide a kind of high-tension distribution box PDU, the electricity in high-tension distribution box PDU Pond management system BMS includes the PCB circuit board of one of first aspect and its possible embodiment.
The utility model embodiment brings following advantageous effect：
The power supply circuit control line of BMS is integrated in PCB circuit board by the utility model embodiment, solves to walk inside PDU The problem of line is complicated, assembling is difficult, occupancy larger space, keeps circuit more intuitive, is easily assembled to and overhauls, raw convenient for batch Production, improves production efficiency.The utility model embodiment makes the usage amount that can reduce harness inside PDU simultaneously, and improving PDU makes Safety, and reduce the production cost of PDU.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating Specifically noted structure is realized and is obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not making the creative labor for those skilled in the art Under the premise of, other drawings may also be obtained based on these drawings.
Fig. 1 is the PCB circuit board working line connection diagram for the power supply circuit that the utility model embodiment provides；
Fig. 2 is the PCB circuit board structural schematic diagram for the power supply circuit that the utility model embodiment provides；
Fig. 3 is the high-tension distribution box PDU structure connection figures that the utility model embodiment provides；
Fig. 4 is the plug receptacle structural schematic diagram that the utility model embodiment provides.
11- battery management system BMS master controls；The PCB circuit board of 12- power supply circuits；122- mounting holes；123- pads； 124- copper foil lines；The multi-functional contacts of 125-；126- plug receptacles；13- contactors；131-DCDC contactors；132- air pump contactors； 133- also contacts devices；134- oil pump contactors；The spare contactors of 135-；136- main contactors；137- snubber contact devices；138- Charging contactor；139- Hall sensors；14-BMS is from control；15- low-voltage circuits；16- high-tension circuits；31- batteries；32- high pressures Electronic box PDU；33- electric systems；34- air-conditioning systems；35- steering；36 air pump systems；37- warm air systems；41- is to external Outlet structure；42- patches mouth structure.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not making creation Property labour under the premise of the every other embodiment that is obtained, shall fall within the protection scope of the present invention.
Currently, the battery management system BMS power supply circuits function inside high-tension distribution box for electric vehicle PDU is usually by harness It realizes, this so that cabling is complicated inside PDU, and assembles and expend larger human cost with needs of work such as repair and maintenances, is based on This, a kind of PCB circuit board for power supply circuit that the utility model embodiment provides can greatly reduce the harness inside PDU Usage amount mitigates the dead weight of PDU, improves safety when PDU is used, while improving its production efficiency, reduces production and assembling Maintenance cost.
For ease of understanding the present embodiment, first to a kind of power supply circuit disclosed in the utility model embodiment PCB circuit board describes in detail.
The utility model embodiment one provides a kind of PCB circuit board of power supply circuit, power supply circuit shown in Figure 1 PCB circuit board working line connection diagram and power supply circuit shown in Fig. 2 PCB circuit board structural schematic diagram, power supply electricity The PCB circuit board each section on road connects：
The copper foil line 124 being integrated in PCB circuit board 12；Copper foil line 124 is as control line and battery management system BMS master 11 connection of control；Mounting hole 122 is equipped in PCB circuit board 12, mounting hole 122 is for fixing battery management system BMS11；It is controlling Multi-functional contact 125 is provided on line processed, multi-functional contact 125 and plug receptacle 126 connect, and plug receptacle 126 is integrated in PCB circuits On plate 12.Battery management system BMS master controls 11 and battery management system BMS are from 14 connection of control, and battery management system BMS is from control 14 Function of supplying power is realized for boosting battery management system BMS master controls 11.
The control line of power supply circuit is drawn from 11 component of battery management system BMS master controls, one end of control line, which is equipped with, to be patched Mouth 126, control line access PCB circuit board circuit 12 by plug receptacle 126, copper foil line 124, copper are integrated in PCB circuit board 12 Multi-functional contact 125 is equipped in 12 circuit of PCB circuit board where tinsel cord 124, multi-functional contact 125 is for realizing power supply circuit To the control function of electricity component, multi-functional contact 125 and plug receptacle 126 in PCB circuit board 12 are connected by pad 123, For being connected with external electrical element, plug receptacle 126 is integrated in PCB circuit board 12 plug receptacle 126.Battery management system BMS Master control 11 and battery management system BMS give battery from 14 connection of control for forming access from control 14 with battery management system BMS Management system BMS is powered from control 14, collects the signal that battery management system BMS is passed back from control 14 from battery pack.
Power supply circuit is printed in PCB circuit board 12, the complexity of cabling is reduced, circuit is more intuitive, and The assembly work for reducing traditional harness connection, can improve production efficiency and save cost of labor.Due to traditional harness at This is higher than the cost of circuit board, reduces the usage amount of harness, can reduce the production cost of PDU.Harness is to outer insulation Divide the more demanding of effect, if doing insulation well, abrasion for a long time is easy to make line skin aging, if rubber-insulated wire aging, is likely to There is a situation where short circuit or open circuits, there is larger security risk.
Multi-functional contact 125 is 13 contact of contactor, and 13 contact of contactor is connect with plug receptacle 126, and plug receptacle 126 is used for It is connect with the plug receptacle on the control line of contactor 13.
Multi-functional contact 125 is connected from different contactors 13, to make the contactor 13 of different function access power supply electricity Road makes different contactors receive the signal of battery management system BMS master controls 11, realizes the function of battery management system BMS.
13 contact of contactor is 138 contact of charging contactor, and the charging contactor 138 is used for battery charger in power supply circuit Make the switching control of state.
The plug receptacle of same model is selected on different 13 control lines of contactor, 13 contact of contactor is selected and contactor The plug receptacle of the plug receptacle of same model used in 13, different contactors 13 selects different colors, convenient for the staff of assembling It is identified in construction, improve their working efficiency, connected plug receptacle connects with contact point on 13 line processed of different contactor controls The plug receptacle 126 connect selects identical model, can improve production efficiency, saves production cost, facilitates wires design.
13 contact of contactor is 131 contact of DC-DC converter, and DCDC contactors 131 for being the DC power conversion of high pressure The direct current of low pressure.13 contact of contactor is 136 contact of main contactor, and main contactor 136 is for controlling low-voltage power supply circuit work Make the switching of state.13 contact of contactor is 138 contact of charging contactor, and charging contactor 138 is for controlling charging accumulator The switching of working condition.13 contact of contactor is 134 contact of oil pump contactor, and oil pump contactor 134 is for where control oil pump The switching of circuit working state.13 contact of contactor is 135 contact of spare contactor, and spare contactor 135 is replaced for preparing Functional contact device, such as replace with：Air pump contactor 132, also contacts device 133, snubber contact device 137 etc..
Different multi-functional contacts 125 is connected by pad 123 with corresponding circuit element plug receptacle, when being connected Circuit element be contactor when, battery management system BMS11 sends out corresponding instruction, and being transported to difference by power supply circuit connects Tentaculum 13 controls the switching of its working condition.135 contact of spare contactor, spare contactor are equipped in multi-functional contact 125 135 contacts avoid, because of line fault where wherein a certain contactor, leading to BMS's for replacing existing contactor contact at any time Corresponding function is irrealizable to be happened, in addition, 135 contact of spare contactor can be also used for access new function contactor, Allow some leeway for follow-up relevant research and development implementation.
Contactor contact is 139 contact of Hall sensor, and 139 contact of Hall sensor is connect with plug receptacle 126, plug receptacle 126 with the plug receptacle on the control line of Hall sensor 139 for connecting.
Hall sensor 139 is accessed into power supply circuit, for realizing the control function of battery management system BMS master controls 11.
Battery management system BMS is connected from control contact and battery management system BMS from control 14, the battery management system BMS forms access from control 14 and battery management system BMS master controls 11.
Battery management system BMS is more than or equal to 1 from the number of control 14.
Battery management system BMS master controls 11 can connect according to actual needs one or more battery management system BMS from Control 14, the signal that battery management system BMS will be acquired from control 14 in battery pack, is transferred to battery management system BMS master controls 11, Boosting battery manages system BMS master controls 11 and realizes its function.
Battery management system BMS master controls 11 are connected with low-voltage circuit 15.
Battery management system BMS master controls 11 are connected with high-tension circuit 16.
Battery management system BMS master controls 11 control high-tension circuit work by low-voltage circuit.
The utility model embodiment two provides a kind of high-tension distribution box PDU, high-tension distribution box PDU shown in Figure 3 Structure connection figure, the structure include following features：
Battery management system BMS master controls 11 in high-voltaghe compartment PDU32 include the PCB circuit board 12 of above-mentioned power supply circuit.
High-voltage distribution box PDU32 is connected with battery 31, with electric system 33, air-conditioning system 34, steering 35, air pump system System 36, warm air system 37 etc. are connected, and may be implemented to battery management system BMS, charging management system, DC/DC, electric air-conditioning, Electric power steering, power and energy and the energy distribution of the high pressures attachment such as braking system, in addition, high-tension distribution box PDU32 can be with Realize the fast break protection of short circuit overload, the safety protection functions such as proof and electric leakage-proof safety.The height that the utility model embodiment provides Battery management system BMS in press-fitting electronic box PDU32 is equipped with the PCB circuit board 12 of the power supply circuit of above-described embodiment offer, It can run more safe efficiently, keep vehicle maintenance simpler, installation is more convenient, and beautification interior design of car occupies empty with reduction Between, keep automobile batteries longer life expectancy long, reduces automobile regular maintenance cost.
The high-tension distribution box PDU32 that the utility model embodiment provides, the PCB of the power supply circuit provided with above-described embodiment 12 technical characteristic having the same of circuit board reaches identical technique effect so can also solve identical technical problem.
The utility model embodiment three provides the PCB circuit board plug receptacle of power supply circuit, and shown in Figure 4 patches Mouth structure schematic diagram, the plug receptacle include following features：
Mouth structure 42 is patched for being connect with the circuit element controlled in control circuit, being used for circumscription socket structure 41 will Circuit is connect with high-tension distribution box PDU32 with external equipment.It patches mouth structure 42 and different number is selected according to control line in circuit Interface.
In the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.To those skilled in the art, it can understand that above-mentioned term is new in this practicality with concrete condition Concrete meaning in type.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
Finally it should be noted that：Above example, only specific embodiment of the present utility model, to illustrate this practicality Novel technical solution, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned implementation The utility model is described in detail in example, it should be understood by those skilled in the art that：Any skill for being familiar with the art Art personnel within the technical scope disclosed by the utility model, can still carry out the technical solution recorded in previous embodiment Modification can readily occur in variation or equivalent replacement of some of the technical features；And these are changed, change or replace It changes, the spirit and scope for the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution should all cover It is within the protection scope of the utility model.Therefore, the scope of protection of the utility model should be with scope of the claims It is accurate.
1. a kind of PCB circuit board of power supply circuit, which is characterized in that the battery management system BMS being applied in high-voltaghe compartment PDU, Including：
The copper foil line being integrated in PCB circuit board；The copper foil line is connect as control line with battery management system BMS master controls；
Mounting hole is equipped in the PCB circuit board, the mounting hole is for fixing the battery management system BMS master controls；
Multi-functional contact is provided on the control line, the multi-functional contact is connected with plug receptacle, and the plug receptacle is integrated In PCB circuit board；
The battery management system BMS master controls and battery management system BMS are connected from control, and battery management system BMS is used for from control Boosting battery manages system BMS master controls and realizes function of supplying power.
2. the PCB circuit board of power supply circuit according to claim 1, which is characterized in that the multi-functional contact is contactor Contact, the contactor contact are connect with plug receptacle, and the plug receptacle with the plug receptacle on the control line of contactor for connecting.
3. the PCB circuit board of power supply circuit according to claim 2, which is characterized in that the contactor contact is charging Tentaculum contact, the charging contactor are used for the switching control of charging work state in power supply circuit.
4. the PCB circuit board of power supply circuit according to claim 2, which is characterized in that the contactor contact passes for Hall Sensor contact, the Hall sensor contact are connect with plug receptacle, and the plug receptacle is for the control line with Hall sensor Plug receptacle connection.
5. the PCB circuit board of power supply circuit according to claim 1, which is characterized in that the multi-functional contact is cell tube Reason system BMS is connected from control contact and battery management system BMS from control from control contact, the battery management system BMS, the electricity Pond manages system BMS and forms access from control and battery management system BMS master controls.
6. the PCB circuit board of power supply circuit according to claim 5, which is characterized in that the battery management system BMS is from control Number be more than or equal to 1.
7. the PCB circuit board of power supply circuit according to claim 1, which is characterized in that the battery management system BMS master controls It is connected with low-voltage circuit.
8. the PCB circuit board of power supply circuit according to claim 1, which is characterized in that the battery management system BMS master controls It is connected with high-tension circuit.
9. according to the PCB circuit board of power supply circuit described in claim 1-8 any one, which is characterized in that the plug receptacle rule Lattice are consistent.
10. a kind of high-tension distribution box PDU, which is characterized in that the battery management system BMS in the high-tension distribution box PDU includes Claim 1-9 any one of them PCB circuit boards.
Priority Applications (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201820287628.8U CN207869505U (en)||2018-02-28||2018-02-28||The PCB circuit board and high-tension distribution box PDU of power supply circuit|
Applications Claiming Priority (1)
|Application Number||Priority Date||Filing Date||Title|
|CN201820287628.8U CN207869505U (en)||2018-02-28||2018-02-28||The PCB circuit board and high-tension distribution box PDU of power supply circuit|
|Publication Number||Publication Date|
|CN207869505U true CN207869505U (en)||2018-09-14|
Family Applications (1)
|Application Number||Title||Priority Date||Filing Date|
|CN201820287628.8U Expired - Fee Related CN207869505U (en)||2018-02-28||2018-02-28||The PCB circuit board and high-tension distribution box PDU of power supply circuit|
Country Status (1)
|CN (1)||CN207869505U (en)|
- 2018-02-28 CN CN201820287628.8U patent/CN207869505U/en not_active Expired - Fee Related
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|CF01||Termination of patent right due to non-payment of annual fee|
|CF01||Termination of patent right due to non-payment of annual fee||
Granted publication date: 20180914
Termination date: 20200228