CN206282098U - A kind of low-voltage electrical box - Google Patents
A kind of low-voltage electrical box Download PDFInfo
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- CN206282098U CN206282098U CN201621205743.3U CN201621205743U CN206282098U CN 206282098 U CN206282098 U CN 206282098U CN 201621205743 U CN201621205743 U CN 201621205743U CN 206282098 U CN206282098 U CN 206282098U
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- relay
- low
- voltage electrical
- fuse
- electrical box
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Abstract
The utility model discloses a kind of low-voltage electrical box, low-voltage electrical apparatus box is used for hybrid power assembly, including：SCM system, relay drive circuit, relay unit and relay driver interface, wherein, relay unit includes relay and the first fuse, and relay unit is one or more.The corresponding enable signal of control information generation that SCM system sends according to power assembly controller；Relay drive circuit is amplified treatment to enabling signal, and being amplified enables signal；Relay enables one end and other end adhesive or the disconnection of signal control output end according to amplificationization；When one end of output end is with other end adhesive, relay driver interface sends amplificationization and enables signal to First Line bundle branch road.Low-voltage electrical box disclosed in the utility model is integrated by the way that relay and fuse carried out, and solves the problems, such as that the wire harness error rate that prior art repeat circuit and fuse arrangement dispersion are caused is high.
Description
Technical field
The utility model is related to automobile equipment technical field, more specifically to a kind of low-voltage electrical box.
Background technology
Hybrid vehicle refers to the automobile for being provided simultaneously with two kinds of power resources (heat dynamic resource and electrodynamic source).Mixing is dynamic
Assembly in power automobile has the critical components such as engine, generator, clutch, gearbox, motor and electrokinetic cell, and
All parts in hybrid power assembly need power assembly controller by relay carry out low-voltage power supply and enable control.
At present, it is relay and fuse the arrangement dispersion of hybrid power assembly low-voltage power supply, and relay is by power
The direct rigid line control of assembly controller.Because wiring is not concentrated, wiring complexity and wire harness error rate problem high are will result in.
In view of this, the complexity of whole-vehicle wiring how is reduced, is those skilled in the art so as to reduce wire harness error rate
The technical problem of urgent need to resolve.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of low-voltage electrical box, to solve to mix in the prior art
Relay and fuse the arrangement wiring that causes of dispersion for closing power assembly low-voltage power supply are complicated and wire harness error rate is high asks
Topic.
To achieve the above object, the utility model provides following technical scheme：
A kind of low-voltage electrical box, the low-voltage electrical box is used for hybrid power assembly, including：SCM system, relay
Drive circuit, relay unit and relay driver interface, wherein, the relay unit includes relay and the first insurance
Silk, the relay unit is one or more；
The SCM system, the corresponding enable of control information generation for being sent according to power assembly controller is believed
Number；
The relay drive circuit is connected with the SCM system, for being amplified place to the enable signal
Reason, being amplified enables signal；
The input of the relay is connected with the relay drive circuit, and one end of output end is protected by described first
Dangerous silk accesses external power supply, and the other end of the output end is connected with the relay driver interface, for according to the amplification
Change and enable one end and other end adhesive or disconnection that signal controls the output end；
The relay driver interface is connected with the First Line bundle branch road in the hybrid power assembly, for when described defeated
When going out the one end at end with other end adhesive, send the amplificationization to the First Line bundle branch road and enable signal.
Preferably, also include：Be serially connected with the second wire harness branch road in the external power supply and the hybrid power assembly it
Between the second fuse.
Preferably, the low-voltage electrical box described in above-mentioned any one technical scheme, also includes：Fuse state collection electricity
Road；
One end of the fuse state Acquisition Circuit is connected with default fuse state collection point, the other end and the list
Piece machine system is connected, and for gathering the level signal at the default fuse state collection point, and sends to the single-chip microcomputer
System；
Accordingly, the SCM system, is additionally operable to obtain corresponding fuse state information according to the level signal,
And sent to the power assembly controller fuse state information based on preset interval time.
Preferably, also include：CAN communication circuit and CAN interface；
One end of the CAN communication circuit is connected with the SCM system, the other end by the CAN interface with it is described
Power assembly controller is connected, for the control information that sends the power assembly controller with message form send to
The SCM system, and the status information that the SCM system sends is sent to the power in message form
Assembly controller.
Preferably, also include：Control circuit power module；
The control circuit power module respectively with the SCM system, the relay drive circuit, the insurance
Thread state Acquisition Circuit is connected with the CAN communication circuit, for providing power supply.
Preferably, the relay includes：Relay coil and the relay contact being connected with the relay coil；
The relay coil is connected with the relay drive circuit, and one end of the relay contact is by described the
One fuse accesses the external power supply, and the other end of the relay contact is connected with the relay driver interface；
The relay coil, for according to the amplificationization enable signal control one end of the relay contact with it is another
The adhesive or disconnection of one end.
Preferably, the SCM system includes：Processor and memory；
The processor, described in control information generation for being sent according to the power assembly controller is corresponding
Signal is enabled, and the corresponding fuse state information is obtained according to the level signal, and based on the predetermined interval
Time sends to the power assembly controller fuse state information；
The memory, for storing the control information and the fuse state information.
From above-mentioned technical proposal as can be seen that low-voltage electrical box disclosed in the utility model, low-voltage electrical apparatus box is for mixing
Power assembly, including：SCM system, relay drive circuit, relay unit and relay driver interface, wherein, relay
Device unit includes relay and the first fuse, and relay unit is one or more.SCM system is according to power assembly control
The corresponding enable signal of control information generation that device processed sends；Relay drive circuit is amplified treatment to enabling signal, obtains
Signal is enabled to amplificationization；Relay enables one end and other end adhesive or the disconnection of signal control output end according to amplificationization；
When one end of output end is with other end adhesive, relay driver interface sends amplificationization and enables signal to First Line bundle branch road.
Low-voltage electrical box disclosed in the utility model is integrated by the way that relay and fuse carried out, and solves prior art repeat circuit
The problem high with the wire harness error rate that fuse arrangement dispersion is caused.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to the accompanying drawing for providing.
Fig. 1 is a kind of structural representation of low-voltage electrical box disclosed in the utility model embodiment one；
Fig. 2 is a kind of structural representation of low-voltage electrical box disclosed in the utility model embodiment two；
Fig. 3 is the structural representation of another low-voltage electrical box disclosed in the utility model embodiment two；
Fig. 4 is the structural representation of another low-voltage electrical box disclosed in the utility model embodiment two；
Fig. 5 is the structural representation of another low-voltage electrical box disclosed in the utility model embodiment two；
Fig. 6 is the structural representation of another low-voltage electrical box disclosed in the utility model embodiment two；
Fig. 7 is the structural representation of another low-voltage electrical box disclosed in the utility model embodiment two；
Fig. 8 is the structural representation of another low-voltage electrical box disclosed in the utility model embodiment two.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Embodiment one
The utility model embodiment one discloses a kind of low-voltage electrical box, and it is total that the low-voltage electrical box is used for hybrid power
Into its structural representation is as shown in figure 1, low-voltage electrical box 100 includes：SCM system 101, relay drive circuit 102, after
Electric appliance unit 103 and relay driver interface 104, wherein, relay unit 103 includes the fuse of relay 1031 and first
1032；
SCM system 101, for the corresponding enable signal of control information generation sent according to power assembly controller；
Relay drive circuit 102 is connected with SCM system 101, for being amplified treatment to enabling signal, obtains
Amplificationization enables signal；
The input of relay 1031 is connected with relay drive circuit 102, and one end of output end passes through the first fuse
1032 access external power supply, and the other end of output end is connected with relay driver interface 104, for enabling signal according to amplificationization
One end of control output end and other end adhesive or disconnection；
Relay driver interface 104 is connected with the First Line bundle branch road in hybrid power assembly, for when the one of output end
When end is with other end adhesive, sends amplificationization to First Line bundle branch road and enable signal.
It should be noted that relay unit 103 is one or more, can specifically set according to actual needs.
Also, it should be noted that relay 1031 include relay coil (not shown in figure 1) and with relay coil phase
Relay contact (not shown in figure 1) even；Relay coil is connected with relay drive circuit 102, and the one of relay contact
External power supply is accessed in end by the first fuse 1032, and the other end of relay contact is connected with relay driver interface 104, after
Electric apparatus coil enables one end of signal control relay contact and the adhesive or disconnection of the other end according to amplificationization.
Also, it should be noted that the processor in SCM system 101 can be according to Powertrain control in the present embodiment
The corresponding enable signal of control information generation that device sends；The memory in SCM system 101 in the present embodiment can be deposited
Storage control information.
A kind of low-voltage electrical box disclosed in the utility model embodiment, SCM system sends according to power assembly controller
Control information generation corresponding enable signal；Relay drive circuit is amplified treatment, being amplified to enabling signal
Enable signal；Relay enables one end and other end adhesive or the disconnection of signal control output end according to amplificationization；Work as output end
One end and the other end adhesive when, relay driver interface sends amplificationizations enable signal to First Line bundle branch road.It can be seen that this reality
It is integrated by the way that relay and fuse carried out with new disclosed low-voltage electrical box, solve prior art repeat circuit and guarantor
Dangerous silk arrangement disperses the wire harness error rate for causing problem high.
Embodiment two
The low-voltage electrical box with reference to disclosed in above-mentioned utility model embodiment one and accompanying drawing 1, the utility model embodiment two is also
A kind of low-voltage electrical box, its structural representation are provided as shown in Fig. 2 low-voltage electrical box 100 also includes：Be serially connected with external power supply with
The second fuse 105 between the second wire harness branch road in hybrid power assembly.
It should be noted that the second fuse 105 is one or more, can according to actual needs set multiple second and insure
Silk 105 is connected with corresponding second wire harness branch road.
Low-voltage electrical box disclosed in the present embodiment, increased the second wire harness in connection external power supply and hybrid power assembly
Second fuse of branch road so that low-voltage electrical box can be used for being powered for the wire harness branch road for needing sustained low pressure to power.
Respectively in connection with above-mentioned the utility model embodiment one and accompanying drawing 1, embodiment two and low-voltage electrical disclosed in accompanying drawing 2
Box, the utility model also provides other low-voltage electrical box, and its structural representation is distinguished as shown in Figure 3 and Figure 4, low-voltage electrical box
100 also include：Fuse state Acquisition Circuit 106；
One end of fuse state Acquisition Circuit 106 is connected with default fuse state collection point, the other end and single-chip microcomputer
System 101 is connected, and for gathering the level signal at default fuse state collection point, and sends to SCM system；
Accordingly, SCM system 101, are additionally operable to obtain corresponding fuse state information, and base according to level signal
Fuse state information is sent to power assembly controller in preset interval time.
It should be noted that default fuse state collection point is arranged at the first fuse and the second fuse downstream bits
Put, fuse state Acquisition Circuit 106 is connected with each default fuse state collection point.When the fuse is working properly,
Level signal at the corresponding default fuse state collection point of the fuse is high level；When the blown fuse, the guarantor
Level signal at the corresponding default fuse state collection point of dangerous silk is low level.
It should be noted that, the processor of SCM system 101 in the present embodiment can also be obtained according to level signal
Corresponding fuse state information, and sent to power assembly controller fuse state information based on preset interval time；
The memory in SCM system 101 in the present embodiment can also store fuse state information.
The low-voltage electrical box disclosed in the present embodiment, increased fuse state Acquisition Circuit so that low-voltage electrical box exists
Outside solving the problems, such as that relay and the fuse wiring wire harness error rate that causes of dispersion are high, can also be by increasing fuse-like
The trouble point of fuse, reduces the workload of technical staff in state Acquisition Circuit automatic detection low-voltage electrical box.
Respectively in connection with accompanying drawing 3 and low-voltage electrical box disclosed in accompanying drawing 4 in above-mentioned the utility model embodiment two, this practicality is new
The low-voltage electrical box that type is provided, respectively as shown in Figure 5 and Figure 6, low-voltage electrical box 100 also includes its structural representation：CAN communication
Circuit 107 and CAN interface 108；
One end of CAN communication circuit 107 is connected with SCM system 101, and the other end is total with power by CAN interface 108
It is connected into controller, the control information for power assembly controller to be sent is sent to SCM system in message form, with
And the status information for sending SCM system 101 is sent to power assembly controller in message form.
It should be noted that when low-voltage electrical box does not include fuse state Acquisition Circuit 106, can also increase CAN and lead to
Letter circuit 107 and CAN interface 108 so that the control information that CAN communication circuit sends power assembly controller is in message form
Send to SCM system, this is also in protection domain of the present utility model.
The low-voltage electrical box disclosed in the present embodiment, increased fuse state Acquisition Circuit so that low-voltage electrical box exists
Solve relay and fuse wiring disperses the wire harness error rate for causing high and the workload that fuse failure is caused is positioned manually
Outside big problem, also by increasing CAN communication circuit and CAN interface so that low-voltage electrical box possesses CAN message control work(
Can, reduce because use rigid line is to the demand of power assembly controller internal resource.
Respectively in connection with accompanying drawing 5 and low-voltage electrical box disclosed in accompanying drawing 6 in above-mentioned the utility model embodiment two, this practicality is new
The low-voltage electrical box that type is provided, respectively as shown in Figure 7 and Figure 8, low-voltage electrical box 100 also includes its structural representation：Control electricity
Road power module 109；
Control circuit power module 109 is adopted with SCM system 101, relay drive circuit 102, fuse state respectively
Collector 106 is connected with CAN communication circuit 107, for providing power supply.
It should be noted that when low-voltage electrical box does not include fuse state Acquisition Circuit 106 and CAN communication circuit 107
Or when not including fuse state Acquisition Circuit 106, can also increase control circuit power module 109 to provide power supply, this
In protection domain of the present utility model.
Also, it should be noted that the low-voltage electrical box shown in Fig. 8 is based on the low-voltage electrical box shown in accompanying drawing 1, increased
Second fuse 105, fuse state Acquisition Circuit 106, CAN communication circuit 107, CAN interface 108 and control circuit power mould
Block 109.
Based on the low-voltage electrical box shown in Fig. 8, not only solve prior art repeat circuit and fuse arrangement dispersion is made
Into wire harness error rate problem high, can also be the wire harness branch road for needing sustained low pressure to power be powered, automatic detection it is low
The trouble point of fuse in voltage electrical box, and reduce because use rigid line is to the demand of power assembly controller internal resource.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or the intrinsic key element of equipment including a series of key elements, or
Person is also to include being these processes, method, article or the intrinsic key element of equipment.In the absence of more restrictions, by
The key element that sentence "including a ..." is limited, it is not excluded that in the process including the key element, method, article or equipment
Also there is other identical element.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (7)
1. a kind of low-voltage electrical box, the low-voltage electrical box is used for hybrid power assembly, it is characterised in that including：Single-chip microcomputer system
System, relay drive circuit, relay unit and relay driver interface, wherein, the relay unit include relay and
First fuse, the relay unit is one or more；
The SCM system, for the corresponding enable signal of control information generation sent according to power assembly controller；
The relay drive circuit is connected with the SCM system, for being amplified treatment to the enable signal, obtains
Signal is enabled to amplificationization；
The input of the relay is connected with the relay drive circuit, and one end of output end passes through first fuse
External power supply is accessed, the other end of the output end is connected with the relay driver interface, for making according to the amplificationization
Energy signal controls one end and other end adhesive or the disconnection of the output end；
The relay driver interface is connected with the First Line bundle branch road in the hybrid power assembly, for when the output end
One end and the other end adhesive when, send the amplificationizations enable signal to the First Line bundle branch road.
2. low-voltage electrical box according to claim 1, it is characterised in that also include：It is serially connected with the external power supply and institute
State the second fuse between the second wire harness branch road in hybrid power assembly.
3. low-voltage electrical box according to claim 1 and 2, it is characterised in that also include：Fuse state Acquisition Circuit；
One end of the fuse state Acquisition Circuit is connected with default fuse state collection point, the other end and the single-chip microcomputer
System is connected, and for gathering the level signal at the default fuse state collection point, and sends to the SCM system；
Accordingly, the SCM system, is additionally operable to obtain corresponding fuse state information, and base according to the level signal
The fuse state information is sent to the power assembly controller in preset interval time.
4. low-voltage electrical box according to claim 3, it is characterised in that also include：CAN communication circuit and CAN interface；
One end of the CAN communication circuit is connected with the SCM system, and the other end passes through the CAN interface and the power
Assembly controller is connected, and is sent to described in message form for the control information that sends the power assembly controller
SCM system, and the status information that the SCM system sends is sent to the power assembly in message form
Controller.
5. low-voltage electrical box according to claim 4, it is characterised in that also include：Control circuit power module；
The control circuit power module respectively with the SCM system, the relay drive circuit, the fuse-like
State Acquisition Circuit is connected with the CAN communication circuit, for providing power supply.
6. low-voltage electrical box according to claim 1, it is characterised in that the relay includes：Relay coil and with
The connected relay contact of the relay coil；
The relay coil is connected with the relay drive circuit, and one end of the relay contact is protected by described first
Dangerous silk accesses the external power supply, and the other end of the relay contact is connected with the relay driver interface；
The relay coil, for enabling one end and the other end that signal controls the relay contact according to the amplificationization
Adhesive or disconnection.
7. low-voltage electrical box according to claim 3, it is characterised in that the SCM system includes：Processor and deposit
Reservoir；
The processor, for the corresponding enable of control information generation sent according to the power assembly controller
Signal, and the corresponding fuse state information is obtained according to the level signal, and based on the preset interval time
The fuse state information is sent to the power assembly controller；
The memory, for storing the control information and the fuse state information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205743.3U CN206282098U (en) | 2016-11-08 | 2016-11-08 | A kind of low-voltage electrical box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621205743.3U CN206282098U (en) | 2016-11-08 | 2016-11-08 | A kind of low-voltage electrical box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206282098U true CN206282098U (en) | 2017-06-27 |
Family
ID=59082218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621205743.3U Active CN206282098U (en) | 2016-11-08 | 2016-11-08 | A kind of low-voltage electrical box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206282098U (en) |
-
2016
- 2016-11-08 CN CN201621205743.3U patent/CN206282098U/en active Active
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