A kind of PDU structure
Technical field
The utility model belongs to power distribution unit (PDU) design field, and in particular to a kind of PDU structure.
Background technique
Power distribution unit (PDU) is to provide electric power distribution and the product that designs for the electrical equipment of cabinet-type installation, with
The raising of consumption demand under the premise of meeting normal use and safety, need further to mention in PDU design process
The service efficiency of high PDU reduces the volume of PDU product, reduces the weight of PDU product, increases the maintainability performance of PDU product.
Meanwhile with the expansion of PDU product use scope, PDU product is usually used in automobile product, due to meeting in the use process of automobile
Stronger vibration is generated, therefore the stability that can be connected to PDU interiors of products causes negative effect, reduces having for cable connection
Effect property reduces the reliability of PDU product.
At present in a power distribution system, PDU product mostly uses planar fashion to design, i.e. power interface, function element, connector
Equal components are all distributed in one plane, are realized corresponding function by connecting route, are finally packaged, from whole knot
It is seen on structure, each component is located at the same side of cabinet in PDU product, realizes multi-functional connection or production when involving the need for PDU product
When the more situation of product components, the mounting area of components is often increased considerably, the volume for directly resulting in PDU product increases
Greatly, weight increases, cost increases, and brings detrimental effect to the manufacture, use and maintenance of product.Meanwhile with small product size
Increase reduce the reliability of product so that the stability of product is bad under vibrating conditions.
Utility model content
In order to solve the deficiencies in the prior art, the utility model provides a kind of PDU structure, electrical component is distinguished
Set on box house and case lid inner surface, the mounting area of electrical component is reduced under conditions of meeting normal use, favorably
In the volume and quality that reduce PDU product, the manufacturing cost of PDU product is reduced;To electrical component in product design process
Installation site has carried out reasonable setting, so that the maintenance of PDU product is more convenient.On the other hand, it is equipped in product circuit
The component of the protection circuits such as wire clamp, insulated column, hose can effectively improve the stability of product, be in vibration processes in product
When middle, guarantee the stability connected between electrical component, improves the reliability of PDU product.
The utility model technical effect to be achieved is realized by following scheme:
A kind of PDU structure, including cabinet and case lid are provided in the utility model, it is characterised in that: the box house
Equipped be sequentially connected electrically copper bar, first contactor, first fuse;The case lid inner surface is equipped with second be sequentially connected electrically
Fuse, second contactor;The second contactor is electrically connected with the copper bar by conducting wire;
The box house is equipped with third contactor, third contactor one end and the low pressure being set to outside the cabinet
Control port electrical connection, the other end are electrically connected with the copper bar;
The box house is additionally provided with hose, and the conducting wire passes through the hose;
The first high-tension connector port and the second high-tension connector port are equipped with outside the cabinet, first high pressure connects
It connects device port to be electrically connected with the first fuse, second high-tension connector port is electrically connected with the second fuse;
The cabinet and the case lid are hinged.
Further, first high-tension connector port, first contactor, the quantity of first fuse are identical.
Further, second high-tension connector port, second contactor, the quantity of second fuse are identical.
Further, first high-tension connector port and second high-tension connector port are divided into the cabinet
Adjacent side;The low voltage control port is set to the ipsilateral of the cabinet with second high-tension connector port.
Further, the case lid inner surface is equipped with resistance;First high-tension connector port includes that anode connects
Connect port, battery cathode connectivity port, charging anode connection terminal mouth, charging cathode connectivity port, motor anode connection terminal mouth, electricity
Machine cathode connectivity port;The resistance is in series between the anode connectivity port and the motor anode connection terminal mouth.
Further, the case lid inner surface is equipped with wire clamp, and the conducting wire is fixed by the wire clamp.
Further, the box house is equipped with route fixed block, and the hose is fixedly arranged on the route fixed block surface.
Preferably, the hose is rubber hose.
Further, second high-tension connector port includes the connectivity port OBC, battery heating connectivity port, air pump
Connectivity port, the connectivity port PTC, the connectivity port AC, the connectivity port DC/DC.
Further, the first fuse, the second fuse bottom are equipped with insulated column.
The utility model has the advantage that
1. electrical component is mounted on box house and case lid inner surface in the utility model, the body of PDU product can be reduced
Long-pending and quality, reduces the manufacturing cost of product.
2. electrical component is rationally set in box house and case lid inner surface in the utility model, it is convenient to PDU product
Maintenance.
3. being provided with the component of the protection circuits such as wire clamp, insulated column, hose in the utility model, production can be effectively improved
The stability of product guarantees the stability connected between electrical component when product is in vibration processes, improves PDU product
Reliability.
Detailed description of the invention
Fig. 1 is PDU structural schematic diagram in the utility model.
Fig. 2 is the main view of PDU structure in the utility model.
Fig. 3 is the left view of PDU structure in the utility model.
Fig. 4 is the top view of PDU structure in the utility model.
Fig. 5 is the working principle diagram of PDU structure in the utility model.
Description of symbols in attached drawing: 1, cabinet;2, case lid;3, hinge;4, first fuse;5, insulated column;6, it first connects
Tentaculum;7, wire clamp;8, resistance;9, copper bar;10, the first high-tension connector port;11, low voltage control port;12, rubber hose;
13, route fixed block;14, second fuse;15, second contactor;16, the second high-tension connector port;17, third contacts
Device;201, anode connectivity port;202, battery cathode connectivity port;203, charge anode connection terminal mouth;204, charging is negative
Pole connectivity port;205, motor anode connection terminal mouth;206, electrode negative connectivity port;207, the connectivity port OBC;208, battery
Heat connectivity port;209, air pump connectivity port;210, the connectivity port PTC;211, the connectivity port AC;212, the connecting pin DC/DC
Mouthful.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
PDU structural schematic diagram is as shown in attached drawing 1-4 in the present embodiment." first fuse " used in the utility model,
" second fuse ", " the first high-tension connector port ", " the second high-tension connector port ", " first contactor ", " second connects
Tentaculum ", " third contactor " are not offered as fuse, high-tension connector port, the sequence of contactor, quantity or importance,
And it is used only to distinguish different component parts.
PDU structure includes cabinet 1 and case lid 2 in the present embodiment, and the cabinet 1 is hinged by hinge 3 with the case lid 2.
It is characterized by: being equipped with the copper bar 9 being sequentially connected electrically, first contactor 6, first fuse 4 inside the cabinet 1;The case
2 inner surface of lid is equipped with second fuse 14, the second contactor 15 being sequentially connected electrically;The second contactor 15 and the copper bar
9 are electrically connected by conducting wire (not shown);The first fuse 4,14 bottom of the second fuse are equipped with insulated column
5, for supporting first fuse and second fuse, guarantee the stability of first fuse and second fuse.The cabinet
Inside is equipped with third contactor 17, described 17 one end of third contactor and the low voltage control port 11 being set to outside the cabinet 1
Electrical connection, the other end are electrically connected with the copper bar 9.
The box house is additionally provided with rubber hose 12, and the conducting wire passes through the rubber hose 12;Inside the cabinet 1
Equipped with route fixed block 13, the rubber hose 12 is fixedly arranged on 13 surface of route fixed block;2 inner surface of case lid is equipped with
Wire clamp 7, the conducting wire are fixed by the wire clamp 7.Route fixed block, wire clamp, rubber hose can make connection more steady
It is fixed, the reliability of cable is kept under vibrating conditions.
Outside the cabinet 1 be equipped with the first high-tension connector port 10 and the second high-tension connector port 16, described first
High-tension connector port 10 is electrically connected with the first fuse 4, and second high-tension connector port 16 is molten with described second
Disconnected device 14 is electrically connected;First high-tension connector port 10, first contactor 6, the quantity of first fuse 4 are identical.It is described
Second high-tension connector port 16, second contactor 15, the quantity of second fuse 14 are identical.First high-tension connector end
Mouth 10 is divided into the adjacent side of the cabinet 1 with second high-tension connector port 16;The low voltage control port 11 with
Second high-tension connector port 16 is set to the ipsilateral of the cabinet 1.It should be noted that not in the utility model
One high-tension connector port, first contactor, first fuse, the second high-tension connector port, second contactor, the second fusing
The quantity and its installation site of device are defined, i.e., the utility model can determine above-mentioned electrical member according to design and use demand
The quantity and installation site of part, as long as can be realized the function of the utility model.
2 inner surface of case lid is equipped with resistance 8;First high-tension connector port 10 includes anode connectivity port
201, battery cathode connectivity port 202, charging anode connection terminal mouth 203, charging cathode connectivity port 204, the connection of motor anode
Port 205, electrode negative connectivity port 206;The anode connectivity port 201 and the motor anode connection terminal mouth 205
Between be in series with the resistance 8.Second high-tension connector port 16 includes the connectivity port OBC 207, battery heating connecting pin
Mouth 208, air pump connectivity port 209, the connectivity port PTC 210, the connectivity port AC 211, the connectivity port DC/DC 212.
PDU structure working principle is as shown in Fig. 5 in the present embodiment.Each electrical component is connected according to the method described above
Connect, low voltage control port 11 is connected with controller (not shown), by the controller to PDU structure in the present embodiment into
Row control.After connection, case lid is closed, function component is connected with corresponding high-tension connector port, realizes electricity
The distribution and output of energy.Electrical component is distributed in box house and case lid inner surface in the present embodiment, effectively reduces PDU structure
Volume and weight, can reduce manufacturing cost, improve maintainability.Stable connection in the present embodiment between electrical component,
Route is fixed by insulated column, route fixed block, rubber hose, wire clamp, can substantially reduce and be used in PDU product
Vibration is adversely affected to electrical component bring in journey, improves the stability of connection and the reliability of product.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model embodiment rather than right
It is limited, although the utility model embodiment is described in detail referring to preferred embodiment, this field it is common
Technical staff should understand that still be modified or replaced equivalently the technical solution of the utility model embodiment, and this
A little ranges modified or equivalent replacement cannot also make modified technical solution be detached from the utility model embodiment technical solution.