CN202697084U - Automobile electrical box - Google Patents
Automobile electrical box Download PDFInfo
- Publication number
- CN202697084U CN202697084U CN 201220342379 CN201220342379U CN202697084U CN 202697084 U CN202697084 U CN 202697084U CN 201220342379 CN201220342379 CN 201220342379 CN 201220342379 U CN201220342379 U CN 201220342379U CN 202697084 U CN202697084 U CN 202697084U
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- triode
- resistance
- circuit board
- printed circuit
- switching transistor
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Abstract
The utility model discloses an automobile electrical box which comprises a seal box, a printed circuit board and a lead interface slot, wherein the printed circuit board is provided with a switching transistor and a cylindrical quick fuse, the lead interface slot is fixedly arranged on the printed circuit board, and the printed circuit board is connected with the seal box through a fastener. According to the automobile electrical box, the high-power switching transistor is used for replacing a relay, the cylindrical quick fuse is used for replacing a safety wire, and the printed circuit board is used for replacing an internal structure of the automobile electrical box. The internal printed circuit board is made into a general part, so that the automobile electrical box is modularized and generalized, expenses for making molds for most electronic control boxes are saved, and the cost is saved. A structure of a component is optimized, raw materials for production are reduced, an assembly structure is optimized, the installation time is saved, and the production efficiency is increased.
Description
Technical field
The utility model relates to automobile electrical equipment box, relates in particular to a kind of modularization, unitized automobile electrical equipment box.
Background technology
At present traditional automobile electrical equipment box is when carrying out structural design, adopt traditional design methods, design a kind of structure for a vehicle, when vehicle changes, basically all to redesign, again die sinking, the thing that can continue to use from existing structure seldom, cause existing following problem: one, whole automobile electrical equipment box all will redesign, the thing that can continue to use very little; Two, the assembling mode of existing automobile electrical equipment box mostly is relay, fuse patches connected mode, and the space is larger, and reliability is relatively poor, and failure rate is higher.
Therefore, in the urgent need to existing automobile electrical equipment box is improved, make it possible to local generalization, modularization, more can assemble and cooperate easyly, quick, save material, reduce cost.
The utility model content
The purpose of this utility model is to overcome above-mentioned shortcoming of the prior art, and another kind of automobile electrical equipment box is provided, so that automobile electrical equipment box is simple in structure, the assembling is easy, quick, saves material, reduces cost.
The technical solution of the utility model is as follows:
A kind of automobile electrical equipment box, comprise seal box, printed circuit board (PCB) and lead-in wire interface slot, it is molten soon to be provided with switching transistor and column on the described printed circuit board (PCB), and described lead-in wire interface slot is fixed on the printed circuit board (PCB), and described printed circuit board (PCB) is connected by securing member with seal box.
Its further technical scheme is: the quantity of the printed circuit board (PCB) in each seal box is at least one.
Its further technical scheme is: described lead-in wire interface slot is general part.
The optional technical scheme of the first is: the circuit structure of described printed circuit board (PCB) comprises that the first triode, the second triode, the 3rd triode, the first resistance, the second resistance, diode, switching transistor and column are molten soon; The collector electrode of the first triode is connected with the base stage of the second triode, and the collector electrode of the second triode is connected with the base stage of the 3rd triode, and the collector electrode of the 3rd triode connects power supply; One end of the first resistance is connected with the collector electrode of the first triode, its another termination power; The second resistance is connected between the base stage and collector electrode of the 3rd triode; The positive pole of diode is connected with the base stage of the 3rd triode, and its negative pole is connected with the emitter of the 3rd triode; The grid of switching transistor is connected with the emitter of the 3rd triode, and its source electrode is connected with the emitter of the first triode and the second triode, and its drain electrode is linked in sequence and connects power supply after electrical apparatus for vehicle use, column melt soon.
The optional technical scheme of the second is: the circuit structure of described printed circuit board (PCB) comprises that the first triode, the second triode, the 3rd triode, the 4th triode, the first resistance, the second resistance, switching transistor and column are molten soon; The collector electrode of the first triode is connected with the base stage of the second triode, and the collector electrode of the second triode is connected and is connected with the collector electrode of the 4th triode behind the second resistance, and the collector electrode of the 4th triode connects power supply; One end of the first resistance is connected with the collector electrode of the first triode, its another termination power; The 3rd triode is connected with the 4th triode, and base stage links to each other; The grid of switching transistor is connected with the collector electrode of the second triode, and its source electrode is connected with the emitter of the first triode, the second triode and the 4th triode, and its drain electrode is linked in sequence and connects power supply after electrical apparatus for vehicle use, column melt (FU) soon.
The third optional technical scheme is: the circuit structure of described printed circuit board (PCB) comprises that the first triode, the second triode, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, electric capacity, the first voltage-stabiliser tube, the second voltage-stabiliser tube, photoelectrical coupler, operational amplifier, switching transistor and column are molten soon; An input of photoelectrical coupler first resistance of connecting; An output of photoelectrical coupler is connected with the in-phase end of operational amplifier, and another exports termination power; The in-phase end of operational amplifier connects the second drop-down resistance; The 3rd resistance that the end of oppisite phase of operational amplifier draws on connecting, and drop-down the 4th resistance and electric capacity; The 5th resistance that the output of operational amplifier draws on connecting; The first triode (V32) and the second triode (V33) series connection, the input of series connection is connected with the output of operational amplifier (A), and the output of series connection is connected with the grid of switching transistor (VT) after connecting the 6th resistance (R36); The grid of switching transistor (VT) connects a pair of drop-down the first voltage-stabiliser tube (ZD1) and the second voltage-stabiliser tube (ZD2); The source ground of switching transistor (VT), the drain electrode of switching transistor (VT) are linked in sequence and connect power supply after electrical apparatus for vehicle use, column melt (FU) soon.
Useful technique effect of the present utility model is:
1, automobile electrical equipment box of the present utility model, printed circuit board (PCB) is made general part, comprised in the printed circuit board (PCB) that switching transistor, column are molten soon, printed circuit board (PCB) connecting lead wire interface slot (path for the larger device of power can be taked wire jumper), printed circuit board (PCB) and seal box are fixed with securing member.This assembling mode is simple, has improved production efficiency.
2, automobile electrical equipment box of the present utility model, the lead-in wire interface slot is made general part, and each automobile electric device can patch on this slot, greatly reduced the expense that all parts are all wanted die sinking, and the reduction cost has improved the competitiveness of product.
3, automobile electrical equipment box of the present utility model is so that in the Automobile Design process, as long as the electric device path is done abundant consideration, reserve enough interface slots, can be disposed at each vehicle, the electric box apparatus versatility is increased, on the other hand can the reducing design cost, improve the competitiveness of product.
Description of drawings
Fig. 1 is the first embodiment of printed circuit board (PCB) of the present utility model.
Fig. 2 is the second embodiment of printed circuit board (PCB) of the present utility model.
Fig. 3 is the third embodiment of printed circuit board (PCB) of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
Composition of the present utility model comprises: seal box, printed circuit board (PCB) and lead-in wire interface slot.Comprised in the printed circuit board (PCB) that switching transistor and column are molten soon.The lead-in wire interface slot is fixed on the printed circuit board (PCB), and each terminal of circuit is pooled on the lead-in wire interface slot in the printed circuit board (PCB).Printed circuit board (PCB) is connected by securing member with seal box.The seal box body size is suitable with existing electric-controlled box, dwindles but highly will have significantly, and whole institute takes up space and also will reduce.
The lead-in wire interface slot is general part, can adopt many mouthfuls of slots.Can require in a seal box, the multichannel printed circuit board (PCB) to be set according to the car electrics coupling, and multichannel lead-in wire interface slot.
The following three kinds of circuit of the optional usefulness of printed circuit board (PCB) are realized different mos pipe type of drive.
The first circuit structure of printed circuit board (PCB) as shown in Figure 1, it comprises triode V11, V12, V13, resistance R 11, R12(present embodiment are 2K Ω), diode VD, switching transistor VT and column be molten FU soon.The collector electrode of triode V11 is connected with the base stage of triode V12, and the collector electrode of triode V12 is connected with the base stage of triode V13, and the collector electrode of triode V13 meets power supply 12v.One end of resistance R 11 is connected with the collector electrode of triode V11, another termination power 12v.Resistance R 12 is connected between the base stage and collector electrode of triode V13.The positive pole of diode VD is connected with the base stage of triode V13, and negative pole is connected with the emitter of triode V13.The grid of switching transistor VT is connected with the emitter of triode V13, and source electrode is connected with the emitter of triode V11, V12, and drain electrode is linked in sequence and meets power supply 12v after electrical apparatus for vehicle use, column melt FU soon.
Above-mentioned TTL type of drive is to use open-collector TTL, has added accessory circuit between TTL and power MOSFET.This type of drive not only can reduce the power dissipation of TTL device, also can guarantee the higher speed of opening.
The second circuit structure of printed circuit board (PCB) as shown in Figure 2, it comprises triode V21, V22, V23, V24, resistance R 21, R22(present embodiment are 2K Ω), switching transistor VT and column be molten FU soon.The collector electrode of triode V21 is connected with the base stage of triode V22, and the collector electrode with triode V24 behind the collector series resistance R22 of triode V22 is connected, and the collector electrode of triode V24 meets power supply 12v.One end of resistance R 21 is connected with the collector electrode of triode V21, another termination power 12v.Triode V23, V24 series connection, base stage links to each other.The grid of switching transistor VT is connected with the collector electrode of triode V22, and source electrode is connected with the emitter of triode V21, V22, V23, and drain electrode is linked in sequence and meets power supply 12v after electrical apparatus for vehicle use, column melt FU soon.
Above-mentioned type of drive can further be improved driveability, and not only the turn-off time can further shorten, and the difference of service time and turn-off time is also eliminated by the complementary circuit that triode V21, V22 form.Simultaneously, two external transistor V23, V24 in this type of drive play a part emitter follower, thereby power MOSFET is driven to the saturation region never.Because complimentary fashion has increased driving power, this mode is more suitable for the driving in high-power MOSFET.
The third circuit structure of printed circuit board (PCB) as shown in Figure 3, it comprises triode V32, V33, resistance R 31, R32, R33, R34, R35, R36(present embodiment are 2K Ω), capacitor C 1(present embodiment is 20uf), voltage-stabiliser tube ZD1, ZD2(present embodiment are 10 ~ 12V), photoelectrical coupler PC1, operational amplifier A, switching transistor VT and column be molten FU soon.The input series resistance R31 of photoelectrical coupler PC1; The output of photoelectrical coupler PC1 is connected with the in-phase end of operational amplifier A, another output termination power 12v.The in-phase end of operational amplifier A connects drop-down resistance R 32; The resistance R 33 that the end of oppisite phase of operational amplifier A draws on connecting, and drop-down resistance R 34 and capacitor C 1; The resistance R 35 that the output of operational amplifier A draws on connecting.Triode V32, V33 series connection, the input of series connection is connected with the output of operational amplifier A, is connected with the grid of switching transistor VT behind the output contact resistance R36 of series connection.The grid of switching transistor VT connects a pair of drop-down voltage-stabiliser tube ZD1, ZD2, source ground, and drain electrode is linked in sequence and meets power supply 12v after electrical apparatus for vehicle use, column melt FU soon.
In the above-mentioned type of drive, circuit amplifies two parts by the isolation of input photoelectricity and signal and forms, when input signal Uin(is car body controller BCM(Body Control Module) the high-low level switching signal of output) when low, photoelectrical coupler PC1 cut-off, operational amplifier A is output as low, make triode V33 conducting, the drive circuit output LOW voltage turn-offs switching transistor VT.As input signal Uin when being high, photoelectrical coupler PC1 conducting, operational amplifier A is output as height, triode V32 conducting, drive circuit is output as 12V voltage, makes switching transistor VT open-minded.
The utility model melts with column soon with the alternative relay of high-power switching transistor, circuit board replaces fuse, replaces the automobile electrical equipment box internal structure with printed circuit board (PCB).This structure is made general part with internal printed circuit board, by actual electrical equipment via design circuit board control access.Replaceable present condition nose cabin electrical equipment box, electric appliances of cab box, and can dispose according to the number of automobile control apparatus path this car electrics box device.Control switch to the transistor break-make will have more selectivity.Simplify original automobile electrical equipment box structural design, saved the expense of most of automobile electrical equipment box all being wanted mold, greatly reduced production cost, and simple in structure, easy to assembly, alleviated workman's labour intensity, make the original automobile electrical equipment box of new model realize modularization, specialization, summary has improved production efficiency greatly, and can reduce the raw material that use, reduce cost, saved investment of production, improve the competitiveness of product.
Above-described only is preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from spirit of the present utility model and design, all should think to be included within the protection range of the present utility model.
Claims (6)
1. automobile electrical equipment box, it is characterized in that: comprise seal box, printed circuit board (PCB) and lead-in wire interface slot, it is molten soon to be provided with switching transistor and column on the described printed circuit board (PCB), described lead-in wire interface slot is fixed on the printed circuit board (PCB), and described printed circuit board (PCB) is connected by securing member with seal box.
2. described automobile electrical equipment box according to claim 1, it is characterized in that: the quantity of the printed circuit board (PCB) in each seal box is at least one.
3. described automobile electrical equipment box according to claim 1, it is characterized in that: described lead-in wire interface slot is general part.
4. described automobile electrical equipment box according to claim 1, it is characterized in that: the circuit structure of described printed circuit board (PCB) comprises the first triode (V11), the second triode (V12), the 3rd triode (V13), the first resistance (R11), the second resistance (R12), diode (VD), switching transistor (VT) and column soon molten (FU); The collector electrode of the first triode (V11) is connected with the base stage of the second triode (V12), and the collector electrode of the second triode (V12) is connected with the base stage of the 3rd triode (V13), and the collector electrode of the 3rd triode (V13) connects power supply; One end of the first resistance (R11) is connected with the collector electrode of the first triode (V11), its another termination power; The second resistance (R12) is connected between the base stage and collector electrode of the 3rd triode (V13); The positive pole of diode (VD) is connected with the base stage of the 3rd triode (V13), and its negative pole is connected with the emitter of the 3rd triode (V13); The grid of switching transistor (VT) is connected with the emitter of the 3rd triode (V13), its source electrode is connected with the emitter of the first triode (V11) and the second triode (V12), and its drain electrode is linked in sequence and connects power supply after electrical apparatus for vehicle use, column melt (FU) soon.
5. described automobile electrical equipment box according to claim 1, it is characterized in that: the circuit structure of described printed circuit board (PCB) comprises the first triode (V21), the second triode (V22), the 3rd triode (V23), the 4th triode (V24), the first resistance (R21), the second resistance (R22), switching transistor (VT) and column soon molten (FU); The collector electrode of the first triode (V21) is connected with the base stage of the second triode (V22), the collector electrode of the second triode (V22) is connected, and the second resistance (R22) is rear to be connected with the collector electrode of the 4th triode (V24), and the collector electrode of the 4th triode (V24) connects power supply; One end of the first resistance (R21) is connected with the collector electrode of the first triode (V21), its another termination power; The 3rd triode (V23) is connected with the 4th triode (V24), and base stage links to each other; The grid of switching transistor (VT) is connected with the collector electrode of the second triode (V22), its source electrode is connected with the emitter of the first triode (V21), the second triode (V22) and the 4th triode (V23), and its drain electrode is linked in sequence and connects power supply after electrical apparatus for vehicle use, column melt (FU) soon.
6. described automobile electrical equipment box according to claim 1, it is characterized in that: the circuit structure of described printed circuit board (PCB) comprises the first triode (V32), the second triode (V33), the first resistance (R31), the second resistance (R32), the 3rd resistance (R33), the 4th resistance (R34), the 5th resistance (R35), the 6th resistance (R36), electric capacity (C1), the first voltage-stabiliser tube (ZD1), the second voltage-stabiliser tube (ZD2), photoelectrical coupler (PC1), operational amplifier (A), switching transistor (VT) and column soon molten (FU); An input of photoelectrical coupler (PC1) the first resistance (R31) of connecting; An output of photoelectrical coupler (PC1) is connected with the in-phase end of operational amplifier (A), and another exports termination power; The in-phase end of operational amplifier (A) connects drop-down the second resistance (R32); The 3rd resistance (R33) that the end of oppisite phase of operational amplifier (A) draws on connecting, and drop-down the 4th resistance (R34) and electric capacity (C1); The 5th resistance (R35) that the output of operational amplifier (A) draws on connecting; The first triode (V32) and the second triode (V33) series connection, the input of series connection is connected with the output of operational amplifier (A), and the output of series connection is connected with the grid of switching transistor (VT) after connecting the 6th resistance (R36); The grid of switching transistor (VT) connects a pair of drop-down the first voltage-stabiliser tube (ZD1) and the second voltage-stabiliser tube (ZD2); The source ground of switching transistor (VT), the drain electrode of switching transistor (VT) are linked in sequence and connect power supply after electrical apparatus for vehicle use, column melt (FU) soon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342379 CN202697084U (en) | 2012-07-16 | 2012-07-16 | Automobile electrical box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342379 CN202697084U (en) | 2012-07-16 | 2012-07-16 | Automobile electrical box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202697084U true CN202697084U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220342379 Expired - Fee Related CN202697084U (en) | 2012-07-16 | 2012-07-16 | Automobile electrical box |
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| Country | Link |
|---|---|
| CN (1) | CN202697084U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859391A (en) * | 2021-10-13 | 2021-12-31 | 秦皇岛奥卡深软件开发有限公司 | Method for applying new automobile parts by adding automobile type connecting module |
| CN115183822A (en) * | 2022-09-13 | 2022-10-14 | 深圳市瑞芬科技有限公司 | Internet of things sensor for monitoring geological settlement and vibration characteristics and control method |
-
2012
- 2012-07-16 CN CN 201220342379 patent/CN202697084U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859391A (en) * | 2021-10-13 | 2021-12-31 | 秦皇岛奥卡深软件开发有限公司 | Method for applying new automobile parts by adding automobile type connecting module |
| CN115183822A (en) * | 2022-09-13 | 2022-10-14 | 深圳市瑞芬科技有限公司 | Internet of things sensor for monitoring geological settlement and vibration characteristics and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130123 Termination date: 20160716 |