CN109572599B - Central electrical box for automobile - Google Patents
Central electrical box for automobile Download PDFInfo
- Publication number
- CN109572599B CN109572599B CN201910090712.XA CN201910090712A CN109572599B CN 109572599 B CN109572599 B CN 109572599B CN 201910090712 A CN201910090712 A CN 201910090712A CN 109572599 B CN109572599 B CN 109572599B
- Authority
- CN
- China
- Prior art keywords
- fuse
- butt joint
- insulating
- insulating base
- circuit board
- 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.)
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Links
- 210000001503 joint Anatomy 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 31
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
Classifications
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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
- B60R16/0239—Electronic boxes
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/2045—Mounting means or insulating parts of the base, e.g. covers, casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
- H05K5/0056—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB characterized by features for protecting electronic components against vibration and moisture, e.g. potting, holders for relatively large capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H2085/2075—Junction box, having holders integrated with several other holders in a particular wiring layout
- H01H2085/208—Junction box, having holders integrated with several other holders in a particular wiring layout specially adapted for vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fuses (AREA)
Abstract
The invention discloses a central electrical box for an automobile, which comprises an insulating base, an insulating lower cover, a relay, a fuse and a printed circuit board assembly, wherein the printed circuit board assembly is arranged between the insulating lower cover and the insulating base and comprises a printed circuit board, and a plurality of conductive butt joint parts and a plurality of wire harness butt joint parts are welded on the printed circuit board; the upper end face of the insulating base body is provided with a plurality of relay installation positions, a plurality of fuse installation positions and a plurality of wire harness butt joint grooves, the lower end face of the insulating base body is provided with a plurality of first accommodating grooves corresponding to each relay installation position, and each first accommodating groove accommodates one conductive butt joint piece; a second accommodating groove is formed in the lower end face of the insulating base body corresponding to each fuse installation position, and each second accommodating groove accommodates two conductive butt joint parts; four limiting protrusions are arranged on each fuse installation position, and each two limiting protrusions limit the displacement of one pin of the fuse. The invention has higher reliability in use under the condition of keeping small volume.
Description
Technical Field
The invention relates to the technical field of automobile electronic circuits, in particular to a central electric box for an automobile.
Background
The central electric box is an important electric component of the automobile, and is connected with the automobile conducting wire harness to play a role in power distribution and control. The known central electric box consists of an insulating base, a plurality of fuses and a plurality of relays. Nowadays, due to the increasing functions of automobiles, circuits are more complex, the number of fuses and relays installed in a central electrical box is increasing, and the central electrical box is already provided with a printed circuit board assembly for distributing circuits. However, as the number of fuses and relays is large, the number of conductive butt-joint parts to be welded on the printed circuit board is large, and the distance between the conductive butt-joint parts needs to be small in order to prevent the central electric box from being oversized, so that short circuit is easy to occur between the conductive butt-joint parts. On the other hand, since the automobile runs on the road, vibration also easily loosens the fuse. These problems all result in reduced reliability of the center box. In addition, because the number of the fuses is large, once the fuses are broken and damaged, the difficulty in judging which fuse is damaged is increased, and the repair is troublesome.
Disclosure of Invention
The invention aims to provide a central electric box for an automobile, which has higher use reliability under the condition of keeping a small volume.
In order to achieve the above purpose, the technical scheme of the invention is as follows: the central electrical box for the automobile comprises an insulating base, an insulating lower cover, a relay, a fuse and a printed circuit board assembly, wherein the insulating lower cover is connected with the insulating base; the upper end face of the insulating base body is provided with a plurality of relay installation positions, a plurality of fuse installation positions and a plurality of wire harness butt joint grooves, each wire harness butt joint piece penetrates through the insulating base body and is positioned in one wire harness butt joint groove, the lower end face of the insulating base body is provided with a plurality of first accommodating grooves corresponding to each relay installation position, and each first accommodating groove accommodates one conductive butt joint piece; at least one second accommodating groove is arranged on the lower end surface of the insulating seat body corresponding to each fuse installation position, and each second accommodating groove accommodates two conductive butt joint parts or one conductive butt joint part; each relay is arranged on a relay installation position, each pin of the relay is connected with a conductive butt joint part through the insulating base body, each fuse is arranged on a fuse installation position, each pin of the fuse is connected with a conductive butt joint part through the insulating base body, four limiting protrusions are arranged on each fuse installation position, and each two limiting protrusions limit the displacement of one pin of the fuse.
Preferably, each of the limiting protrusions has an L-shaped cross section, and the two limiting protrusions for limiting the displacement of one fuse pin are symmetrically arranged relative to the fuse pin. The spacing projections and arrangement of this configuration facilitate limiting the displacement of the fuse pin.
Preferably, the conductive butt joint member comprises two clamping parts parallel to each other, at least one elastic clamping part extends from the upper end of each clamping part, the clamping parts bend towards the inner side surface direction of the clamping parts, the clamping parts are contacted with pins of the relay or pins of the fuse, a welding part extends from the lower end of each clamping part, and the two welding parts are close together. The conduction current can be increased by the two welds coming together.
Still further, the upper end of each clamping part extends to have two clamping parts with elasticity, and the corresponding side of two clamping parts is connected through a connecting portion respectively.
Still further, the two connecting portions protrude from the clamping portions, wherein one clamping portion is provided with two inward-sinking grooves, and each inward-sinking groove corresponds to one clamping portion; one side of one connecting part extends to form a holding part, and the holding part is positioned in an inward sinking groove. This configuration facilitates insertion and docking of the relay pin or fuse pin and also further limits displacement of the relay pin or fuse pin.
Further improved, the insulating base is provided with a display through hole in the middle of each fuse installation position, an LED luminous body is welded on the position, corresponding to each display through hole, of the printed circuit board, one end of each LED luminous body is connected with one end of a resistor in series, then the other end of each LED luminous body is electrically connected with a conductive butt joint part in butt joint with one pin of the fuse, the other end of the resistor is electrically connected with a conductive butt joint part in butt joint with the other pin of the fuse, and when the fuse is used, the corresponding LED luminous body emits light after the fuse is disconnected. Therefore, the fuse can be rapidly judged to be damaged, and the maintenance time is greatly reduced.
Further, this central electrical apparatus box still includes the fuse and unloads the material clamp, still be equipped with on the insulating pedestal unload the mounting groove of material clamp, it includes two clamp portions to unload the material clamp, and the middle part that two clamp portions were got is connected through a connecting portion, and two clamp portions correspond one end and extend in opposite directions and have the hook end, press two clamp portions and do not take hook end one side, and the opening that two hook ends formed opens, be equipped with a spacing post between the two inner walls of mounting groove, two clamp portions's middle part still extends in opposite directions and has spacing convex part, unload when clamping in the mounting groove, two clamp portions spacing convex part and spacing post cooperation restriction unload the material clamp and break away from the mounting groove. Therefore, the fuse can be quickly disassembled through the unloading clamp, the maintenance time is further reduced, and the loss of the unloading clamp can be better prevented.
Further improved, the central electric box further comprises an insulating upper cover, wherein the insulating upper cover is connected with the insulating base body and covers all relays and all fuses. To better protect all relays and all fuses.
Further improvement, the insulating base body is provided with a mounting hole of a power supply connecting column, the inner wall of the mounting hole extends to the middle to form a plurality of positioning bulges, one end of the power supply connecting column is welded on the printed circuit board and then passes through the mounting hole, and the other end of the power supply connecting column is screwed with a nut; the installation holes are two, the power supply connecting columns welded on the printed circuit board are also two, and the specifications of the two power supply connecting columns are different in nut screwing. By positioning the two power connection posts, the entire printed circuit board assembly can also be positioned. It is also convenient for the two power supply connection posts to be respectively connected with the BAT power supply and the ACC power supply.
Further improvement, two limit protrusions for limiting the displacement of one pin of the fuse are fixedly connected to one adjusting block, the adjusting block is fixedly connected to the insulating base body through a plurality of connecting bolts, and a strip-shaped through hole is formed in each connecting bolt insulating base body correspondingly to enable the connecting bolt to pass through; the limiting protrusion is inserted on the adjusting block or connected with the adjusting block into a whole. Therefore, the position of the limiting bulge can be adjusted, and the limiting bulge can be suitable for fuses with different specifications. The versatility of the present invention can be further improved.
According to the invention, as the lower end surface of the insulating base body is provided with the plurality of first accommodating grooves corresponding to each relay installation position, each first accommodating groove accommodates one conductive butt joint part; at least one second accommodating groove is arranged on the lower end surface of the insulating seat body corresponding to each fuse installation position, and each second accommodating groove accommodates two conductive butt joint parts or one conductive butt joint part; therefore, under the condition that the distance between the conductive butt-joint parts is smaller, the short circuit between the conductive butt-joint parts can be well prevented through the isolation effect of the insulating base body, and under the condition that the size of the invention is kept smaller, the use reliability is higher. On the other hand, as four limiting protrusions are arranged on each fuse installation position, each two limiting protrusions limit the displacement of one pin of the fuse. The fuse wire can be well prevented from shifting, the vibration of the automobile is well balanced, the pins of the fuse wire are prevented from being separated from the conductive butt joint part, and the use reliability of the invention can be improved.
Drawings
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is a perspective view of a hidden insulating top cover according to a first embodiment of the present invention;
FIG. 3 is an exploded perspective view of a first embodiment of the present invention;
fig. 4 is a top perspective view of a first embodiment insulating base of the present invention;
fig. 5 is a bottom perspective view of an insulating housing according to a first embodiment of the present invention;
FIG. 6 is an enlarged view at A of FIG. 4;
FIG. 7 is an enlarged view at B of FIG. 4;
FIG. 8 is an enlarged view at C of FIG. 5;
FIG. 9 is a perspective view of a printed circuit board assembly of a first embodiment of the present invention with two power connection posts hidden;
fig. 10 is a perspective view of a conductive interface of a first embodiment of the invention;
FIG. 11 is a front view of a first embodiment of the conductive dock of the present invention;
FIG. 12 is a D-D sectional view of FIG. 11;
FIG. 13 is a perspective view of a discharge clip according to a first embodiment of the present invention;
fig. 14 is a schematic circuit diagram of a first embodiment LED luminary connection according to the present invention.
Fig. 15 is a top perspective view of a second embodiment insulating housing of the present invention;
fig. 16 is an enlarged view at E of fig. 15.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
In the first embodiment, as shown in fig. 1 to 14, a central electrical box for an automobile comprises an insulating base 1, an insulating lower cover 2, a relay 3, a fuse 4, a printed circuit board assembly 5 and an insulating upper cover 6, wherein the insulating lower cover 2 is connected with the insulating base 1, the printed circuit board assembly 5 is arranged between the insulating lower cover 2 and the insulating base 1, the printed circuit board assembly 5 comprises a printed circuit board 51, a plurality of conductive butt-joint pieces 7 and a plurality of wire harness butt-joint pieces 8 are welded on the printed circuit board 51, the wire harness butt-joint pieces 8 can be formed by conductive copper inserting pieces, a plurality of relay mounting positions 11, a plurality of fuse mounting positions 12 and a plurality of wire harness butt-joint grooves 13 are arranged on the upper end surface of the insulating base 1, each wire harness butt-joint piece 8 penetrates through the insulating base 1 and is positioned in one wire harness butt-joint groove 13, five first receiving grooves 14 are arranged on the lower end surface of the insulating base 1 corresponding to each relay mounting position 11, each first receiving groove 14 receives one conductive butt-joint piece 7, five first strip-shaped through holes 111 are arranged on the insulating base 1 of each relay mounting position 11, and each strip-shaped through hole 111 penetrates through each strip-shaped through hole 3; a second accommodating groove 15 is arranged on the lower end surface of the insulating base body 1 corresponding to each fuse mounting position 12, each second accommodating groove 15 accommodates two conductive butt joint parts 7, two second accommodating grooves 15 can be arranged on the lower end surface of the insulating base body 1 corresponding to each fuse mounting position 12, each second accommodating groove 15 accommodates one conductive butt joint part 7, two second strip-shaped through holes 121 are arranged on the insulating base body 1 of each fuse mounting position 12, and each strip-shaped through hole 121 is used for a pin of a fuse 4 to pass through; each relay 3 is mounted on a relay mounting position 11, each pin of the relay is connected with a conductive butt joint part 7 through the insulating base body 1, each fuse 4 is mounted on a fuse mounting position 12, each pin of the fuse is connected with a conductive butt joint part 7 through the insulating base body 1, four limiting protrusions 16 are arranged on each fuse mounting position 12, and each two limiting protrusions 16 limit the displacement of one pin of the fuse 4. The cross section of each limiting protrusion 16 is L-shaped, and two limiting protrusions 16 for limiting the displacement of one pin of the fuse 4 are symmetrically arranged relative to the pin of the fuse 4.
The wire harness is inserted into the wire harness abutting groove 13 through the wire harness plug 131 and abuts against the wire harness abutting piece 8.
As further shown in fig. 10 to 12, the conductive butt-joint member 7 includes two clamping portions 71 parallel to each other, two elastic clamping portions 72 extend from the upper end of each clamping portion 71, the clamping portions 72 are bent toward the inner side of the clamping portions 71, the clamping portions 72 are in contact with the pins of the relay 3 or the pins of the fuse 4, one welding portion 73 extends from the lower end of each clamping portion 71, and the two welding portions 73 are abutted together. The corresponding sides of the two clamping portions 71 are each connected by a connecting portion 74. Two connecting portions 74 protrude from the clamping portions 72, wherein one clamping portion 71 is provided with two inward recessed grooves 711, and each inward recessed groove 711 corresponds to one clamping portion 72; one of the connecting portions 74 extends on one side thereof with a clasping portion 741, and the clasping portion 741 is disposed in one of the recess grooves 711. The conductive butt joint part 7 with the structure is convenient to butt joint with the pins of the relay 3 or the pins of the fuse 4, the butt joint reliability is high, and the conductive current can be larger.
The insulating base 1 is provided with a display through hole 122 in the middle of each fuse installation position 12, an LED luminous body 511 is welded on the position of the printed circuit board 51 corresponding to each display through hole 122, the LED luminous bodies 511 can adopt patch type installed LEDs, one end of each LED luminous body 511 is firstly connected with one end of a resistor 512 in series, then the other end of each LED luminous body 511 is electrically connected with a conductive butt joint part 7 in butt joint with one pin of a fuse 4, the other end of the resistor 512 is electrically connected with a conductive butt joint part 7 in butt joint with the other pin of the fuse 4, when the insulating base is used, after the corresponding fuse 4 is disconnected, the LED luminous bodies 511 emit light, so that the corresponding LED luminous bodies 511 can be seen through the display through holes 122 to emit light, the fuse 4 can be rapidly judged to be broken, and the maintenance time is saved. As can be further seen from fig. 14, when the fuse 4 is intact, the LED light 511 is short-circuited by the fuse 4 without voltage non-light emission, and when the fuse 4 is disconnected, the LED light 511 is voltage-applied to emit light. Thus, once LED luminary 511 emits light, it is indicated that fuse 4 has been broken.
The embodiment further comprises a discharging clamp 9 of the fuse 4, the insulating base 1 is further provided with an installation groove 17 of the discharging clamp 9, as further shown in fig. 13, the discharging clamp 9 comprises two clamping parts 91, the middle parts of the two clamping parts 91 are connected into a whole through a connecting part 92, the hook ends 911 extend oppositely at corresponding ends of the two clamping parts 91, one side of the two clamping parts 91 without the hook ends 911 is pressed, an opening formed by the two hook ends 911 is opened, a limit post 171 is arranged between two inner walls of the installation groove 17, limit protruding parts 912 extend oppositely at the middle parts of the two clamping parts 91, and when the discharging clamp 9 is installed in the installation groove 17, the limit protruding parts 912 on the two clamping parts 91 are matched with the limit posts 171 to limit the discharging clamp 9 to be separated from the installation groove 17. Thus, the fuse 4 is conveniently removed through the unloading clamp 9, and the unloading clamp 9 is not lost.
The insulating upper cover 6 is connected to the insulating housing 1 and covers all relays 3 and all fuses 4.
The insulating base 1 is provided with a mounting hole 18 of the power supply connecting column 10, a plurality of positioning protrusions 181 extend towards the middle of the inner wall of the mounting hole 18, one end of the power supply connecting column 10 is welded on the printed circuit board 51 and then penetrates through the other end of the mounting hole 18 to be screwed with a nut 182; there are two mounting holes 18, there are two power supply connecting posts 10 welded by the printed circuit board 51, and the specifications of the screw nuts 182 of the two power supply connecting posts 10 are different. Thus, by positioning the two power supply connection posts 10, the whole printed circuit board assembly 5 can be positioned, so that the pins of the relay 3 and the fuse 4 are conveniently plugged with the conductive butt joint piece 7. It is also convenient for the two power connection posts 10 to be connected to the BAT power supply and the ACC power supply, respectively.
In this embodiment, a plurality of spare fuse sockets 1a are further provided on the insulating base 1 and connected to a spare fuse cover 1b.
As shown in fig. 15 and 16, a central electrical box for an automobile is different from the first embodiment in that two limiting protrusions 16 for limiting the displacement of one pin of a fuse are fixedly connected to an adjusting block 20, the adjusting block 20 is fixedly connected to an insulating base 1 through a plurality of connecting bolts 30, and a long-strip-shaped through hole 19 is formed in the insulating base 1 corresponding to each connecting bolt 30 to allow the connecting bolt 30 to pass through; the limiting protrusion 16 is inserted on the adjusting block 20, and can be connected with the adjusting block 20 into a whole. Therefore, as the position of the limiting protrusion 16 can be adjusted, fuses with different specifications can be adapted, when the limiting protrusion 16 is inserted on the adjusting block 20, the limiting protrusion 16 can be replaced, and fuses with different shapes can be adapted through the limiting protrusions 16 with different shapes, so that the universality of the invention is further improved.
The foregoing is merely illustrative of two preferred embodiments of the present invention, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced by those skilled in the art.
Claims (9)
1. The utility model provides a central electrical apparatus box for car, includes insulating pedestal, insulating lower cover, relay, fuse and printed circuit board subassembly, insulating lower cover connection insulating pedestal, printed circuit board subassembly dress is between insulating lower cover and insulating pedestal, its characterized in that: the printed circuit board assembly comprises a printed circuit board, and a plurality of conductive butt joint pieces and a plurality of wire harness butt joint pieces are welded on the printed circuit board; the upper end face of the insulating base body is provided with a plurality of relay installation positions, a plurality of fuse installation positions and a plurality of wire harness butt joint grooves, each wire harness butt joint piece penetrates through the insulating base body and is positioned in one wire harness butt joint groove, the lower end face of the insulating base body is provided with a plurality of first accommodating grooves corresponding to each relay installation position, and each first accommodating groove accommodates one conductive butt joint piece; at least one second accommodating groove is arranged on the lower end surface of the insulating seat body corresponding to each fuse installation position, and each second accommodating groove accommodates two conductive butt joint parts or one conductive butt joint part; each relay is arranged on a relay installation position, each pin of the relay passes through the insulating base to be connected with a conductive butt joint part, each fuse is arranged on a fuse installation position, each pin of the fuse passes through the insulating base to be connected with a conductive butt joint part, each fuse installation position is provided with four limiting protrusions, and each two limiting protrusions limit the displacement of one pin of the fuse;
the conductive butt joint piece comprises two clamping parts which are parallel to each other, at least one elastic clamping part is extended from the upper end of each clamping part, the clamping parts are bent towards the inner side surface direction of the clamping parts, the clamping parts are contacted with pins of the relay or pins of the fuse, a welding part is extended from the lower end of each clamping part, and the two welding parts are close together.
2. The central electrical box for automobiles as claimed in claim 1, wherein: the cross section of each limiting protrusion is L-shaped, and two limiting protrusions for limiting the displacement of one fuse pin are symmetrically arranged relative to the fuse pin.
3. The central electrical box for automobiles as claimed in claim 1, wherein: the upper end of each clamping part extends to form two elastic clamping parts, and the corresponding sides of the two clamping parts are connected through a connecting part.
4. A central electrical box for a vehicle according to claim 3, wherein: the two connecting parts protrude out of the clamping parts, one clamping part is provided with two inward sinking grooves, and each inward sinking groove corresponds to one clamping part; one side of one connecting part extends to form a holding part, and the holding part is positioned in an inward sinking groove.
5. The central electrical box for automobiles as claimed in claim 1, wherein: the insulating seat body is provided with a display through hole in the middle of each fuse installation position, an LED luminous body is welded on the position of the printed circuit board corresponding to each display through hole, one end of each LED luminous body is connected with one end of a resistor in series, then the other end of each LED luminous body is electrically connected with a conductive butt joint part in butt joint with one pin of the fuse, the other end of the resistor is electrically connected with a conductive butt joint part in butt joint with the other pin of the fuse, and when the insulating seat body is used, the corresponding fuse is disconnected, and the LED luminous body emits light.
6. The central electrical box for automobiles as claimed in claim 1, wherein: the fuse unloading clamp is characterized by further comprising a fuse unloading clamp, wherein a mounting groove of the unloading clamp is further formed in the insulating base, the unloading clamp comprises two clamping parts, the middle parts of the two clamping parts are connected through a connecting part, one ends of the two clamping parts corresponding to one end extend to form hook ends in opposite directions, one side of the two clamping parts without the hook ends is pressed, an opening formed by the two hook ends is opened, a limit column is arranged between two inner walls of the mounting groove, limit convex parts extend in opposite directions in the middle parts of the two clamping parts, and when the unloading clamp is mounted in the mounting groove, the limit convex parts on the two clamping parts are matched with the limit column to limit the unloading clamp to be separated from the mounting groove.
7. The central electrical box for automobiles as claimed in claim 1, wherein: the insulating upper cover is connected with the insulating base body and covers all relays and all fuses.
8. The central electrical box for automobiles as claimed in claim 1, wherein: the insulating base body is provided with a mounting hole of a power supply connecting column, a plurality of positioning bulges extend towards the middle of the inner wall of the mounting hole, one end of the power supply connecting column is welded on the printed circuit board and then passes through the mounting hole, and the other end of the power supply connecting column is screwed with a nut; the installation holes are two, the power supply connecting columns welded on the printed circuit board are also two, and the specifications of the two power supply connecting columns are different in nut screwing.
9. A central electrical box for vehicles according to any of claims 1 to 8, characterized in that: two limiting protrusions for limiting the displacement of one pin of the fuse are fixedly connected to an adjusting block, the adjusting block is fixedly connected to the insulating base body through a plurality of connecting bolts, and a long strip-shaped through hole is formed in each connecting bolt insulating base body correspondingly to enable the connecting bolt to penetrate through; the limiting protrusion is inserted on the adjusting block or connected with the adjusting block into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090712.XA CN109572599B (en) | 2019-01-30 | 2019-01-30 | Central electrical box for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090712.XA CN109572599B (en) | 2019-01-30 | 2019-01-30 | Central electrical box for automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109572599A CN109572599A (en) | 2019-04-05 |
| CN109572599B true CN109572599B (en) | 2024-03-29 |
Family
ID=65918479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910090712.XA Active CN109572599B (en) | 2019-01-30 | 2019-01-30 | Central electrical box for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109572599B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976624B (en) * | 2020-08-31 | 2022-06-14 | 安徽江淮汽车集团股份有限公司 | Electrical apparatus box and car |
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|---|---|---|---|---|
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| CN202496147U (en) * | 2012-03-23 | 2012-10-17 | 郑州东工实业有限公司 | Electrical box for vehicle |
| CN102740635A (en) * | 2011-04-14 | 2012-10-17 | 漳州鑫美达汽车零部件有限公司 | Novel central electric box of automobile |
| CN204795929U (en) * | 2015-07-08 | 2015-11-18 | 新乡市光明电器有限公司 | High safeguard function electric appliance control box |
| CN105896421A (en) * | 2015-12-31 | 2016-08-24 | 鹤壁市瑞丰电器有限公司 | High-voltage distribution box of new energy automobile |
| CN107331588A (en) * | 2017-08-16 | 2017-11-07 | 浙江星普汽车配件有限公司 | BCM electrical appliance kits |
| CN207834618U (en) * | 2018-01-18 | 2018-09-07 | 江苏超力电器有限公司 | It is a kind of can both ends grafting use in printed circuit board connection socket structure |
| CN109131164A (en) * | 2018-10-24 | 2019-01-04 | 华霆（合肥）动力技术有限公司 | Electric car electrically-controlled component and system |
| CN209553123U (en) * | 2019-01-30 | 2019-10-29 | 漳州鑫美达汽车零部件有限公司 | A kind of central electrical part holder of automobile |
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2019
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| KR20100001900U (en) * | 2008-08-13 | 2010-02-23 | 영화테크(주) | Assembling Structure of Junction Box |
| CN102740635A (en) * | 2011-04-14 | 2012-10-17 | 漳州鑫美达汽车零部件有限公司 | Novel central electric box of automobile |
| CN202496147U (en) * | 2012-03-23 | 2012-10-17 | 郑州东工实业有限公司 | Electrical box for vehicle |
| CN204795929U (en) * | 2015-07-08 | 2015-11-18 | 新乡市光明电器有限公司 | High safeguard function electric appliance control box |
| CN105896421A (en) * | 2015-12-31 | 2016-08-24 | 鹤壁市瑞丰电器有限公司 | High-voltage distribution box of new energy automobile |
| CN107331588A (en) * | 2017-08-16 | 2017-11-07 | 浙江星普汽车配件有限公司 | BCM electrical appliance kits |
| CN207834618U (en) * | 2018-01-18 | 2018-09-07 | 江苏超力电器有限公司 | It is a kind of can both ends grafting use in printed circuit board connection socket structure |
| CN109131164A (en) * | 2018-10-24 | 2019-01-04 | 华霆（合肥）动力技术有限公司 | Electric car electrically-controlled component and system |
| CN209553123U (en) * | 2019-01-30 | 2019-10-29 | 漳州鑫美达汽车零部件有限公司 | A kind of central electrical part holder of automobile |
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|---|---|
| CN109572599A (en) | 2019-04-05 |
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