CN108177613A - Contactless intelligent low-voltage distribution box - Google Patents
Contactless intelligent low-voltage distribution box Download PDFInfo
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- CN108177613A CN108177613A CN201711459196.0A CN201711459196A CN108177613A CN 108177613 A CN108177613 A CN 108177613A CN 201711459196 A CN201711459196 A CN 201711459196A CN 108177613 A CN108177613 A CN 108177613A
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- switch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0238—Electrical distribution centers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Direct Current Feeding And Distribution (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides a kind of contactless intelligent low-voltage distribution box, including：Logic switch, totally 56 tunnel, using metal-oxide-semiconductor, the break-make of mutual indepedent control circuit；Power tube temperature sampling unit；Load current sampling unit；Multiple 16 select 1 switch chip, are CD4067 chips, have 16 signal input parts and 1 signal output end and 1 control terminal, can be sent out the input signal selection one of 16 signal input parts by signal output end according to the instruction of control terminal；Multiple No. 8 latch, for 74LS374 chips, there is 8 signal output ends and 1 signal input part and 1 control terminal, can 8 different input signals be passed sequentially through by signal input part according to the instruction of control terminal and be sent to 8 signal output ends, and keep the level of signal output end；Dsp controller, for the entire circuit of Comprehensive Control.
Description
Technical field
The present invention relates to car low-voltage distribution box field, in particular to a kind of contactless intelligent low-voltage distribution box.
Background technology
Car low-voltage distribution box is mainly by electromagnetic power-supply general switch, starting high power relay, all kinds of small-power relays
The components such as device, all kinds of safety plates, connector, copper bar, housing are composed according to certain circuit catenation principle, and major function is to use
In the functions such as the electrical power distribution of car and starting control.
The rear block terminal that current bus industry uses there are the problem of have：Traditional low-voltage distribution box, function is single and ties
Structure is simple and crude, and electrical appliance kit aging speed is fast, high current can not effective protection, there are security risks；Functional integration is not high, not whole
The current detection function and CAN communication function of Che Ge roads electricity consumption；Connection between internal each electric component uses fly line more
The mode of bridging, line is more, conducting wire easy rubs mutually during Vehicular vibration, and shock resistance is poor；Poor waterproof properties, basic is difficult to reach
To the requirement of IP67；The relay access times that inside uses are limited, and failure rate is higher；Volume is big, and onboard mounting arrangements are not
It is convenient；There is no intelligent control function, it is impossible to which moving-wire has accurately been controlled according to the working condition of engine computer control box (ECM)
Road, can not by CAN communication by data transfers such as electric current, voltage, temperature to display instrument, also without overcurrent, high temperature alarm
And power-off protection function.
Invention content
For this purpose, it is a primary object of the present invention to provide a kind of contactless intelligent low-voltage distribution box, to reach following purpose：
1st, solve the problems, such as that conventional electrical distribution box relay access times are limited, high failure rate；2nd, it is more to solve conventional electrical distribution box line road
The problem of again random；3rd, it solves that conventional electrical distribution kit function structure is single, CAN communication can not be passed through and uploaded per the electricity loaded all the way
The problems such as stream, state of temperature；4th, solve the problems, such as that conventional electrical distribution box vehicle can not be by Communication Control per logic state all the way；
5th, the problems such as conventional electrical distribution box shock resistance is poor, IP67 is not achieved in waterproofing grade, and fire-protection rating is inadequate is solved；6th, it solves
The problem of conventional electrical distribution box body product is big, and installation is inconvenient.
To achieve the above object, the present invention provides following technical solution：
A kind of contactless intelligent low-voltage distribution box, including：Logic switch, totally 56 tunnel, using metal-oxide-semiconductor, controls independently of each other
The break-make of circuit；Power tube temperature sampling unit, for acquiring the temperature of the logic switch；Load current sampling unit is used
In the load current for acquiring the logic switch；Multiple 16 select 1 switch chip, are CD4067 chips, there are 16 signals to input
End and 1 signal output end and 1 control terminal can believe the input of 16 signal input parts according to the instruction of control terminal
Number selection one sent out by signal output end；Multiple No. 8 latch is 74LS374 chips, has 8 signal output ends and 1
8 different input signals can be passed sequentially through signal by a signal input part and 1 control terminal according to the instruction of control terminal
Input terminal is sent to 8 signal output ends, and keeps the level of signal output end；Dsp controller, it is entirely electric for Comprehensive Control
Road equipped with 16 hardware logic control lines, can take orders；Wherein, the dsp controller is connected to described 16 and selects 1 switch
The signal output end and control terminal of chip, and the signal input part and control terminal of No. 8 latch are connected to, described 16 select 1 to open
The signal input part for closing chip is connected to each power tube temperature sampling unit and each load current sampling unit, described
The signal output end of No. 8 latch is connected to each logic switch, and the input terminal of the logic switch, which is connected in parallel, to be used for
Power input, the output terminal of the logic switch are connected respectively to different binding posts, independently of each other.
Preferably, the contactless intelligent low-voltage distribution box, wherein the main program of the control method of the dsp controller
Include the following steps：Step S100, powers on, i.e., to power on circuitry；Step S200, delay wait for the level in circuit to reach steady
It is fixed；Step S300, whether each component is faulty in detection circuit, and S600 is entered step if having；Step S400 receives CAN lives
Order or the order of hardware logic control line；Step S500, according to the order control received per logic switch state all the way, then
Enter step S400；Step S600, shutdown.
Preferably, the contactless intelligent low-voltage distribution box, wherein in the sampling of the control method of the dsp controller
Disconnected program includes the following steps：Step A100, booting；Step A200, AD sampling initialization, that is, initialize all power tubes
Temperature sampling unit and the load current sampling unit；Step A300 samples 8 groups of data of AD channels, that is, passes through described 16
Select 1 switch chip that logic switch described in 8 groups is selected to be sampled；Step A400, filtering process make the obtained data of sampling more
It is regular；Step A500, whether the power tube temperature and load current for judging each logic switch are more than setting value, if so,
It then shuts down, waits for 2s bootings, enter step A200；Step A600 selects the selection of 1 switch chip switch sampling logical by described 16
Road；Step A700 samples next 8 groups of data, subsequently into step A400.
Contactless intelligent low-voltage distribution box according to the present invention, has the advantages that：1st, using the high-power core of import
Piece substitutes fuse and relay, reliability higher, longer life expectancy；2nd, all channel output logics and protective current are programmable
Setting optimizes overall wire sheaves, improves power distribution efficiency and wiring safety；3rd, have per temperature detection all the way and overheat, overcurrent
Protection, current measurement and diagnostic function, speed is fast, real by CAN communication by data transfers such as electric current, voltage, temperature to vehicle
When monitor it is all access roads load conditions；4th, vehicle can be instructed by CAN or hardware command accurately control per patrolling all the way
On off state is collected, multichannel input and output configuration meets most automobile-used demands；5th, full aluminum shell, waterproofing grade reach IP67, fire prevention etc.
Grade reaches level-one；6th, similar to compare, volume smaller is easily installed.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, moreover it is possible to root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow according to the main program of the contactless intelligent low-voltage distribution box of the exemplary embodiment of present inventive concept
Block diagram；
Fig. 2 is the Sampling interrupt program according to the contactless intelligent low-voltage distribution box of the exemplary embodiment of present inventive concept
Flow diagram.
Specific embodiment
Detailed content and technology about the invention illustrate, are now described further with embodiment, it will be appreciated that
, these embodiments are only for illustrating, and are not necessarily to be construed as the limitation of the invention implementation.
Contactless intelligent low-voltage distribution box provided in an embodiment of the present invention, including：Logic switch, totally 56 tunnel, uses
Metal-oxide-semiconductor, the break-make of mutual indepedent control circuit；Power tube temperature sampling unit, for acquiring the temperature of the logic switch；It is negative
Current sampling unit is carried, for acquiring the load current of the logic switch；Multiple 16 select 1 switch chip, are CD4067 chips,
With 16 signal input parts and 1 signal output end and 1 control terminal, 16 can be believed according to the instruction of control terminal
The input signal selection one of number input terminal is sent out by signal output end；Multiple No. 8 latch is 74LS374 chips, has 8
A signal output end and 1 signal input part and 1 control terminal, can be according to the instruction of control terminal by 8 different inputs
Signal passes sequentially through signal input part and is sent to 8 signal output ends, and keeps the level of signal output end；Dsp controller is used
In the entire circuit of Comprehensive Control, equipped with 16 hardware logic control lines, can take orders；Wherein, the dsp controller connection
The signal output end and control terminal of 1 switch chip are selected to described 16, and is connected to signal input part and the control of No. 8 latch
End, described 16 select the signal input part of 1 switch chip to be connected to each power tube temperature sampling unit and each load electricity
Sampling unit is flowed, the signal output end of No. 8 latch is connected to each logic switch, the input terminal of the logic switch
It is connected in parallel for power input, the output terminal of the logic switch is connected respectively to different binding posts, independently of each other.
With reference to Fig. 1, contactless intelligent low-voltage distribution box provided in an embodiment of the present invention, wherein the control of the dsp controller
The main program of method processed includes the following steps：Step S100, powers on, i.e., to power on circuitry；Step S200, delay wait for circuit
In level reach stable；Step S300, whether each component is faulty in detection circuit, and S600 is entered step if having；Step
S400 receives CAN orders or the order of hardware logic control line；Step S500 is patrolled all the way according to the order control received is every
On off state is collected, subsequently into step S400；Step S600, shutdown.
With reference to Fig. 2, contactless intelligent low-voltage distribution box provided in an embodiment of the present invention, wherein the control of the dsp controller
The Sampling interrupt program of method processed includes the following steps：Step A100, booting；Step A200, AD sampling initialization, that is, initialize
All power tube temperature sampling units and the load current sampling unit；Step A300 samples 8 groups of numbers of AD channels
According to, i.e., by described 16 select 1 switch chip select 8 groups described in logic switch sampled；Step A400, filtering process make to adopt
The obtained data of sample are more regular；Step A500, judge each logic switch power tube temperature and load current whether
More than setting value, if so, shutdown, waits for 2s bootings, enters step A200；Step A600 selects 1 switch chip by described 16
Switch sampling selector channel；Step A700 samples next 8 groups of data, subsequently into step A400.
Contactless intelligent low-voltage distribution box according to the present invention, realizes following advantageous effect：1st, import high-power chip
Substitute fuse and relay, reliability higher, longer life expectancy；2nd, all channel output logics and protective current may be programmed and set
It puts, optimizes overall wire sheaves, improve power distribution efficiency and wiring safety；3rd, have per temperature detection all the way and overheat, overcurrent are protected
Shield, current measurement and diagnostic function, speed is fast, by CAN communication by data transfers such as electric current, voltage, temperature to vehicle, in real time
Monitor the load condition on all access roads；4th, vehicle can be instructed by CAN or hardware command is accurately controlled per logic all the way
On off state, multichannel input and output configuration meet most automobile-used demands；5th, full aluminum shell, waterproofing grade reach IP67, fire-protection rating
Reach level-one；6th, similar to compare, volume smaller is easily installed.
The above is only the preferred embodiment of the invention, it is impossible to the implementation model of the invention is limited with this
It encloses, i.e., every simple equivalent changes and modifications made according to the invention claim and innovation and creation description,
All still fall within the range that the invention is covered.
Claims (3)
1. a kind of contactless intelligent low-voltage distribution box, it is characterised in that including：
Logic switch, totally 56 tunnel, using metal-oxide-semiconductor, the break-make of mutual indepedent control circuit；
Power tube temperature sampling unit, for acquiring the temperature of the logic switch；
Load current sampling unit, for acquiring the load current of the logic switch；
Multiple 16 select 1 switch chip, are CD4067 chips, have 16 signal input parts and 1 signal output end and 1
Control terminal can be sent out the input signal selection one of 16 signal input parts by signal output end according to the instruction of control terminal
Go out；
Multiple No. 8 latch is 74LS374 chips, has 8 signal output ends and 1 signal input part and 1 control
8 different input signals can be passed sequentially through signal input part according to the instruction of control terminal and be sent to 8 signal outputs by end
End, and keep the level of signal output end；
Dsp controller for the entire circuit of Comprehensive Control, equipped with 16 hardware logic control lines, can take orders；
Wherein, the dsp controller is connected to described 16 and selects the signal output end and control terminal of 1 switch chip, and is connected to 8
The signal input part and control terminal of road latch, described 16 select the signal input part of 1 switch chip to be connected to each power tube
Temperature sampling unit and each load current sampling unit, the signal output end of No. 8 latch are connected to each described patrol
Switch is collected, the input terminal of the logic switch is connected in parallel for power input, and the output terminal of the logic switch connects respectively
Different binding posts is connected to, independently of each other.
2. contactless intelligent low-voltage distribution box according to claim 1, it is characterised in that the controlling party of the dsp controller
The main program of method includes the following steps：
Step S100, powers on, i.e., to power on circuitry；
Step S200, delay wait for the level in circuit to reach stable；
Step S300, whether each component is faulty in detection circuit, and S600 is entered step if having；
Step S400 receives CAN orders or the order of hardware logic control line；
Step S500, according to the order control received per logic switch state all the way, subsequently into step S400；
Step S600, shutdown.
3. contactless intelligent low-voltage distribution box according to claim 1, it is characterised in that the controlling party of the dsp controller
The Sampling interrupt program of method includes the following steps：
Step A100, booting；
Step A200, AD sampling initialization, that is, initialize all power tube temperature sampling units and the load current adopted
Sample unit；
Step A300, sample AD channels 8 groups of data, i.e., by described 16 select 1 switch chip select 8 groups described in logic switch into
Row sampling；
Step A400, filtering process, the obtained data for making sampling are more regular；
Step A500, whether the power tube temperature and load current for judging each logic switch are more than setting value, if so, closing
Machine waits for 2s bootings, enters step A200；
Step A600 selects 1 switch chip switch sampling selector channel by described 16；
Step A700 samples next 8 groups of data, subsequently into step A400.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459196.0A CN108177613B (en) | 2017-12-28 | 2017-12-28 | Contactless intelligent low-voltage distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459196.0A CN108177613B (en) | 2017-12-28 | 2017-12-28 | Contactless intelligent low-voltage distribution box |
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| Publication Number | Publication Date |
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| CN108177613A true CN108177613A (en) | 2018-06-19 |
| CN108177613B CN108177613B (en) | 2020-04-07 |
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| CN201711459196.0A Active CN108177613B (en) | 2017-12-28 | 2017-12-28 | Contactless intelligent low-voltage distribution box |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070202717A1 (en) * | 2006-02-24 | 2007-08-30 | Lear Corporation | Adaptable junction box applicable to automotive vehicles |
| CN201352681Y (en) * | 2009-02-11 | 2009-11-25 | 哈尔滨威帝汽车电子有限公司 | Electronic noncontacting central electrical box |
| CN204998463U (en) * | 2015-10-10 | 2016-01-27 | 成都雅骏新能源汽车科技股份有限公司 | Electric vehicle's low -voltage distribution box |
| CN206353697U (en) * | 2017-01-05 | 2017-07-25 | 上海四通仪表股份有限公司 | A kind of system without deaerator box |
| CN206633943U (en) * | 2016-12-30 | 2017-11-14 | 厦门金龙旅行车有限公司 | A kind of fuel cell electric vehicle low-voltage distribution box |
| CN206781673U (en) * | 2017-04-25 | 2017-12-22 | 郑州森鹏电子技术有限公司 | A kind of full aluminum hull intelligent power distribution box suitable for pure electric coach |
-
2017
- 2017-12-28 CN CN201711459196.0A patent/CN108177613B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070202717A1 (en) * | 2006-02-24 | 2007-08-30 | Lear Corporation | Adaptable junction box applicable to automotive vehicles |
| CN201352681Y (en) * | 2009-02-11 | 2009-11-25 | 哈尔滨威帝汽车电子有限公司 | Electronic noncontacting central electrical box |
| CN204998463U (en) * | 2015-10-10 | 2016-01-27 | 成都雅骏新能源汽车科技股份有限公司 | Electric vehicle's low -voltage distribution box |
| CN206633943U (en) * | 2016-12-30 | 2017-11-14 | 厦门金龙旅行车有限公司 | A kind of fuel cell electric vehicle low-voltage distribution box |
| CN206353697U (en) * | 2017-01-05 | 2017-07-25 | 上海四通仪表股份有限公司 | A kind of system without deaerator box |
| CN206781673U (en) * | 2017-04-25 | 2017-12-22 | 郑州森鹏电子技术有限公司 | A kind of full aluminum hull intelligent power distribution box suitable for pure electric coach |
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| Publication number | Publication date |
|---|---|
| CN108177613B (en) | 2020-04-07 |
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Effective date of registration: 20220817 Address after: South side of Xizhenggang Road, Wumaying Town, Nanpi County, Cangzhou City, Hebei Province, 061000 Patentee after: NEW NANFENG THERMO & COMFORT (CANGZHOU) CO.,LTD. Address before: Dongmen Village, Wumaying Town, Nanpi County, Cangzhou City, Hebei Province, 061503 Patentee before: HEBEI ZHENGYI ELECTRICAL TECHNOLOGY Co.,Ltd. |
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Application publication date: 20180619 Assignee: HEBEI ZHENGYI ELECTRICAL TECHNOLOGY Co.,Ltd. Assignor: NEW NANFENG THERMO & COMFORT (CANGZHOU) CO.,LTD. Contract record no.: X2022130000068 Denomination of invention: Contactless intelligent low-voltage distribution box Granted publication date: 20200407 License type: Common License Record date: 20221024 |