CN109895633B - Modularized high-voltage distribution box of extensible main negative relay - Google Patents
Modularized high-voltage distribution box of extensible main negative relay Download PDFInfo
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- 239000010949 copper Substances 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005070 sampling Methods 0.000 description 4
- JAYCNKDKIKZTAF-UHFFFAOYSA-N 1-chloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1Cl JAYCNKDKIKZTAF-UHFFFAOYSA-N 0.000 description 3
- 101100084627 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pcb-4 gene Proteins 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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Abstract
The invention discloses a modularized high-voltage distribution box of an extensible main negative relay, which comprises a box body, a main positive relay and a fuse; the main positive relay and the fuse are respectively arranged in the box body, the high-voltage distribution box further comprises an optional main negative relay, and the main negative relay is provided with a contact leading-out end and a coil leading-out pin thereof; a first groove with an upper opening and a side opening is arranged at one side of the box body, and the space of the first groove is mutually isolated from the space in the box body; the main negative relay is selectively arranged in the first groove, and the coil leading-out pin of the main negative relay is connected with the electric connecting piece of the modularized high-voltage distribution box. The invention combines the main positive relay and the fuse of the fragile part into the modularized high-voltage distribution box, designs the main negative relay into a structure which can be selectively assembled outside the modularized high-voltage distribution box, and only needs to install the main negative relay outside the box when needed, but can still ensure the integrity of the high-voltage distribution box without installing the main negative relay when not needed.
Description
Technical Field
The invention relates to the technical field of high-voltage distribution boxes, in particular to a modularized high-voltage distribution box with an extensible main negative relay.
Background
The high-voltage distribution box is a high-voltage distribution system applied to new energy automobiles, and generally comprises a fuse, a relay, a current sensor, a pre-charging resistor, a copper bar and other components, wherein the components are sequentially arranged in a box body in the prior art, and the defects mainly exist as follows:
1. all components and parts are installed in same box body, all need dismouting high-voltage box when different components and parts break down, for example as the main positive relay, main negative relay and the fuse of fragile perishable spare, just frequently break down and need change or maintenance easily, and at every turn these trouble of fragile perishable spare all need dismouting high-voltage box, the maintenance etc. after-market work of inconvenient product.
2. Different vehicle enterprises have different requirements on the high-voltage distribution box modules, and some control strategies are that the main loop requires a main positive relay and a main negative relay, and some control strategies only require the main positive relay and do not require the main negative relay. The prior art is generally custom-made, and the shape and the size of the box body containing the main negative relay and the box body not containing the main negative relay are different, so that the prior art has no universality and is easy to cause the increase of production cost (for example, two sets of dies are needed). If the universality is considered, a space for installing the main positive relay and the main negative relay is reserved in the high-voltage box, and when the main negative relay is not needed, the product volume is overlarge.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a modularized high-voltage distribution box with an extensible main negative relay, which is characterized in that a main positive relay and a fuse which are fragile parts are formed into the modularized high-voltage distribution box, and the main negative relay is designed into a structure which can be conveniently installed outside the modularized high-voltage distribution box, so that the main negative relay is only required to be installed outside the box when needed, and the integrity of the high-voltage distribution box can be ensured without installing the main negative relay when not needed.
The technical scheme adopted for solving the technical problems is as follows: a modularized high-voltage distribution box with an expandable main negative relay comprises a box body, a main positive relay and a fuse; the upper part of the main positive relay is provided with a contact leading-out end, and the main positive relay is arranged in the box body and enables the contact leading-out end at the upper part to extend out of the box body; the fuse is arranged in the box body, copper bars at two ends of the fuse extend out of the box body respectively, and one copper bar is connected with one of two contact leading-out ends of the main positive relay; the main positive relay is provided with a coil lead-out pin, and the coil lead-out pin of the main positive relay is connected with an electric connector of the modularized high-voltage distribution box; the high-voltage distribution box also comprises an optional main negative relay, wherein the main negative relay is provided with a shell, a contact leading-out end and a coil leading-out pin thereof, which extend out of the shell, and the contact leading-out end extends out of the upper end of the shell; a first groove with an upper opening and a side opening is arranged at one side of the box body, and the space of the first groove is mutually isolated from the space in the box body; the main negative relay is selectively arranged in the first groove, and a coil lead-out pin of the main negative relay is connected with an electric connector of the modularized high-voltage distribution box.
The box body consists of an upper cover with a downward opening and a base with an upward opening, and the upper cover covers the base and is fixed with the base; the base is provided with a first mounting groove and a second mounting groove which are isolated from each other, and the main positive relay and the fuse are respectively arranged in the first mounting groove and the second mounting groove; the first groove is arranged at one side part of the base, and a yielding notch is arranged above the upper cover corresponding to the first groove, so that the first groove is provided with an upper opening and a side opening relative to the box body.
The first mounting grooves and the second mounting grooves are distributed along the length direction of the base, and the first grooves are arranged beside the second mounting grooves along the width direction of the base.
The two side surfaces of the shell of the main negative relay are respectively provided with fins, two sides of the first groove of the base are respectively provided with a mounting platform, and when the main negative relay is arranged in the first groove, the two fins of the main negative relay are respectively lapped on the mounting platforms at two sides of the first groove, and the main negative relay is fixed with the base in a screw fixing mode.
The two fins of the shell of the main negative relay are arranged at the top ends of the two side surfaces of the shell of the main negative relay, and the mounting platform of the base is higher than the upper ends of the first mounting groove and the second mounting groove.
The two fins of the shell of the main negative relay are arranged in the middle of the two side faces of the shell of the main negative relay, and the mounting platform of the base is approximately flush with the upper ends of the first mounting groove and the second mounting groove.
The rear ends of the two side surfaces of the shell of the main negative relay are respectively provided with guide strips extending from the upper end to the lower end, the two sides of the rear side of the first groove of the base are respectively provided with guide grooves which are communicated with the bottom of the groove from the upper end, and when the main negative relay is installed in the first groove, the guide strips on the two sides of the shell of the main negative relay are respectively installed in the first groove from top to bottom along the guide grooves on the two sides of the rear side of the first groove of the base.
The bottom surface of the base is provided with a second groove with a downward opening, the electric connecting piece is a PCB, and the PCB is accommodated in the second groove; the bottom of the first groove of the base is provided with two first jacks communicated with the second groove; two coil leading-out pins of the main negative relay respectively extend out of the bottom surface of the shell of the main negative relay; when the main negative relay is installed in the first groove, the two coil leading-out pins of the main negative relay respectively penetrate through the two first jacks at the bottom of the first groove of the base, are inserted into the PCB in the second groove, and are fixed and electrically communicated in a welding mode.
The upper cover is provided with a first through hole for enabling the contact leading-out end of the main positive relay to extend out, a second through hole for enabling one copper bar of the fuse to extend out, and a third through hole for enabling a part of the top of the fuse to extend out.
The main positive relay is a relay device without a shell, and comprises a contact part containing the contact leading-out end, a magnetic circuit part and a pushing part, wherein the pushing part is connected between the contact part and the magnetic circuit part; the contact part, the magnetic circuit part and the pushing part are respectively arranged in a first mounting groove of the base; two second jacks are arranged at the bottom of the first mounting groove; the coil leading-out pins of the main positive relay are arranged at the bottom end of the main positive relay and extend vertically downwards, and when the main positive relay is installed in the first mounting groove, the two coil leading-out pins of the main positive relay respectively penetrate through two second jacks at the bottom of the first mounting groove of the base, are inserted into the PCB in the second groove and are fixed and electrically communicated with each other in a welding mode.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adopts the modularized high-voltage distribution box composed of the main positive relay and the fuse, designs the main negative relay as an optional component of the modularized high-voltage distribution box, and simultaneously, a first groove with an upper opening and a side opening is arranged at one side part of the box body, and the space of the first groove is mutually isolated from the space in the box body; the main negative relay is selectively arranged in the first groove, and a coil lead-out pin of the main negative relay is connected with an electric connector of the modularized high-voltage distribution box. According to the structure, when the main negative relay is needed, the main negative relay can be directly arranged in the first groove, and when the main negative relay is not needed, the main negative relay is not arranged, so that the external integrity of the modularized high-voltage distribution box is not affected, the extensible function of the modularized high-voltage distribution box is realized, the standardized design is conveniently formed, and the production cost is further reduced.
2. The invention adopts the first groove with an upper opening and a side opening at one side of the box body, and the main negative relay is selectively arranged in the first groove. According to the structure, the main negative relay can be fully installed in the first groove, the side opening of the box body can be used for designing the main negative relay to be larger than the first groove in size, namely, one part of the main negative relay can be suspended outside the side opening of the first groove in half, and when the main negative relay is not required to be configured, the space for suspending the main negative relay in width is not required to be reserved, so that the installation space of the modularized high-voltage distribution box can be reduced.
3. The invention adopts the main positive relay, the fuse or the main negative relay which can be selectively configured to form the modularized high-voltage distribution box, so that the modularized high-voltage distribution box can be conveniently connected with other high-voltage box modules to form standardized design, thereby reducing the production cost and being convenient for the maintenance of the high-voltage box.
4. The invention adopts the relay device which designs the main positive relay into a relay device without a shell, and the relay device is arranged in the box body, and the box body of the modularized high-voltage distribution box is used as the shell of the internal device of the main positive relay, so that the installation space can be effectively reduced, the volume of a product can be reduced, and the manufacturing cost can be reduced.
The invention is described in further detail below with reference to the drawings and examples; the modular high voltage distribution box of the present invention, which is a scalable main negative relay, is not limited to the embodiments.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention (extended main negative relay);
fig. 2 is a schematic perspective view of the first embodiment of the present invention (non-extended main negative relay);
FIG. 3 is an exploded perspective view of a first embodiment of the present invention (extended primary negative relay);
FIG. 4 is a schematic perspective view of a first embodiment of the invention (extended main negative relay, without upper cover);
fig. 5 is a front view of the first embodiment of the present invention (extended main negative relay);
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5;
FIG. 8 is a schematic perspective view of a base according to a first embodiment of the present invention;
fig. 9 is a schematic perspective view of a main negative relay according to the first embodiment of the present invention;
fig. 10 is a schematic perspective view of a second embodiment of the present invention (extended main negative relay);
FIG. 11 is a cross-sectional view of a second embodiment of the invention (extended primary negative relay);
fig. 12 is a schematic perspective view of a base of a second embodiment of the present invention;
fig. 13 is a schematic perspective view of a main negative relay according to a second embodiment of the present invention.
Detailed Description
Example 1
Referring to fig. 1 to 9, a modular high voltage distribution box of an expandable main negative relay of the present invention includes a box body 1, a main positive relay 2 and a fuse 3; the upper part of the main positive relay 2 is provided with two contact leading-out ends 21, and the main positive relay 2 is arranged in the box body 1 and enables the two contact leading-out ends 21 at the upper part to extend out of the box body 1; the fuse 3 is arranged in the box body 1, copper bars 31 and 32 at two ends of the fuse 3 respectively extend out of the box body 1, and one copper bar 31 is connected with one of two contact leading-out ends 21 of the main positive relay 2; the main positive relay 2 is provided with two coil leading-out pins 22, and the coil leading-out pins 22 of the main positive relay 2 are connected with the electric connecting piece 4 of the modularized high-voltage distribution box; the high-voltage distribution box also comprises an optional main negative relay 5, wherein the main negative relay 5 is provided with a shell 51, two contact outgoing terminals 52 extending out of the shell and two coil outgoing pins 53 thereof, and the two contact outgoing terminals 52 respectively extend out of the upper end of the shell 51; a first groove 11 with an upper opening and a side opening is arranged at one side part of the box body 1, and the space of the first groove 11 is mutually isolated from the space in the box body 1; the main negative relay 5 is selectively arranged in the first groove 11, and two coil outgoing pins 53 of the main negative relay 5 are respectively connected with the electric connector 4 of the modularized high-voltage distribution box.
In this embodiment, the box 1 is composed of an upper cover 6 with a downward opening and a base 7 with an upward opening, and the upper cover 6 covers the base 7 and is fixed with the base 7; the base 7 is provided with a first mounting groove 71 and a second mounting groove 72 which are isolated from each other, the main positive relay 2 is arranged in the first mounting groove 71, and the fuse 3 is arranged in the second mounting groove 72; the first groove 11 is arranged at one side of the base 7, and a yielding notch is arranged in the upper cover 6 at the upper position corresponding to the first groove 11, so that the first groove 11 has an upper opening and a side opening relative to the box body 1; also corresponds to the upper cover 6 not covering the first recess 11.
And the first groove 11 is made to exceed the covering range of the upper cover 6 so that the first groove 11 has an upper opening and a side opening.
In this embodiment, the first mounting groove 71 and the second mounting groove 72 are distributed along the length direction of the base 7, and the first groove 11 is disposed beside the second mounting groove 72 along the width direction of the base.
In this embodiment, fins 54 are respectively disposed on two sides of the housing 51 of the main negative relay 5, mounting platforms 73 are respectively disposed on two sides of the first groove 11 of the base 7, and when the main negative relay 5 is installed in the first groove 11, the two fins 54 of the main negative relay 5 are respectively mounted on the mounting platforms 73 on two sides of the first groove 11 of the base 7, and the main negative relay 5 is fixed with the base 7 by means of screws 74.
In this embodiment, the two fins 54 of the housing of the main negative relay 5 are disposed at the top end of the housing 51 of the main negative relay 5, and the mounting platform 73 of the base 7 is higher than the upper ends of the first mounting groove 71 and the second mounting groove 72.
In this embodiment, the rear ends of the two sides of the housing 51 of the main negative relay 5 are respectively provided with a guide strip 55 extending from the upper end to the lower end, the two sides of the rear side of the first groove 11 of the base 7 are respectively provided with a guide groove 75 passing from the upper end to the bottom of the groove, and when the main negative relay 5 is installed in the first groove 11, the guide strips 55 on the two sides of the housing 51 of the main negative relay 5 are respectively installed in the first groove 11 from top to bottom along the guide grooves 75 on the two sides of the rear side of the first groove 11 of the base 7, so that the main negative relay 5 is installed in the first groove 11 of the base 7 from top to bottom.
In this embodiment, a second groove 76 with a downward opening is provided on the bottom surface of the base 7, the electrical connector 4 is a PCB, and the PCB 4 is accommodated in the second groove 76; the bottom of the first groove 11 of the base 7 is provided with two first jacks 77 communicated with the second groove 76; two coil leading-out pins 53 of the main negative relay 5 extend out of the bottom surface of the housing 51 of the main negative relay 5, respectively; when the main negative relay 5 is installed in the first groove 11 of the base 7, the two coil lead-out pins 53 of the main negative relay 5 respectively penetrate through the two first jacks at the bottom of the first groove 11 of the base 7 to be plugged with the PCB 4 in the second groove 76 and are fixed and electrically communicated in a welding mode.
In this embodiment, the upper cover 6 is provided with a first through hole 61 for extending the contact terminal 21 of the main positive relay 2, a second through hole 62 for extending the one of the copper bars of the fuse, and a third through hole 63 for extending a part of the top of the fuse 3.
The main positive relay 2 is a relay device without a housing, and includes a contact portion including the contact terminal 21, a magnetic path portion, and a pushing portion connected between the contact portion and the magnetic path portion; the contact portion, the magnetic circuit portion, and the pushing portion are respectively fitted in the first mounting groove 71 of the base; two second jacks are arranged at the bottom of the first mounting groove 71; the coil leading-out pins 22 of the main positive relay 2 are arranged at the bottom end of the main positive relay 2 and vertically extend downwards, when the main positive relay 2 is installed in the first installation groove 71, the two coil leading-out pins 22 of the main positive relay 2 respectively penetrate through two second jacks at the bottom of the first installation groove 71 of the base 7, are inserted into the PCB 4 in the second groove 76, and are fixed and electrically communicated in a welding mode.
The magnetic circuit part of the main positive relay 2 comprises a yoke, a coil frame and the coil leading-out pins, wherein the yoke at least comprises a bottom surface section and a side surface section so as to wrap the coil frame upwards from the bottom of the coil frame; the coil rack is vertically arranged and is provided with an upper flange and a lower flange; the coil leading-out pin of the main positive relay 2 is fixed at the lower flange, and a yielding notch is arranged at the position corresponding to the coil leading-out pin of the bottom surface section of the yoke.
In this embodiment, a section of sampling sheet 311 is further disposed on the portion of one of the copper bars 31 in the box body 1 of the fuse 3, and downward extending sampling pins 33 are disposed at the front and rear ends of the current flowing in the sampling sheet 311, respectively, and the sampling pins 33 penetrate through the bottom of the second mounting groove 71 and enter the second groove 76, are inserted into the PCB board 4 in the second groove 76, and are fixed and electrically connected by soldering.
In this embodiment, the main negative relay 5 housing is internally provided with a relay device including a contact portion including the contact terminal 52, a magnetic path portion, and a pushing portion connected between the contact portion and the magnetic path portion; the contact portion, the magnetic circuit portion, and the pushing portion are respectively housed in the housing. The magnetic circuit portion of the main negative relay 5 is similar in structure to the magnetic circuit portion of the main positive relay 2.
The invention relates to a modularized high-voltage distribution box of an extensible main negative relay, which comprises a modularized high-voltage distribution box formed by a main positive relay 2 and a fuse 3, wherein the main negative relay 5 is designed as an optional component of the modularized high-voltage distribution box, a first groove 11 with an upper opening and a side opening is arranged at one side part of a box body 1, and the space of the first groove 11 is mutually isolated from the space in the box body 1; the main negative relay 5 is selectively disposed in the first recess 11, and the coil lead-out pins 53 of the main negative relay 5 are connected with the electrical connector 4 of the modular high-voltage distribution box. According to the structure, when the main negative relay is needed, the main negative relay can be directly arranged in the first groove, and when the main negative relay is not needed, the main negative relay is not arranged, so that the external integrity of the modularized high-voltage distribution box is not affected, the extensible function of the modularized high-voltage distribution box is realized, the standardized design is conveniently formed, and the production cost is further reduced.
The invention relates to a modularized high-voltage distribution box of an extensible main negative relay, which adopts a first groove 11 with an upper opening and a side opening arranged at one side part of a box body 1, and the main negative relay 5 is selectively arranged in the first groove 11. According to the structure, the main negative relay 5 can be completely installed in the first groove, the side opening of the box body 1 can be utilized to design the main negative relay 5 to be larger than the first groove in size, namely, one part of the main negative relay can be suspended outside the side opening of the first groove, and when the main negative relay is not required to be configured, the space for the part of the main negative relay suspended in width is not required to be reserved, so that the installation space of the modularized high-voltage distribution box can be reduced. For example, the width of the main negative relay is 50mm, and the installation space of 50mm is given to the main negative relay originally, and only 25mm of space is needed because half of the space is in the first groove. And when the main negative relay is not installed, the space of the whole relay width is not necessary to be reserved.
The invention relates to a modularized high-voltage distribution box of an extensible main negative relay, which adopts a modularized high-voltage distribution box formed by combining a main positive relay 2, a fuse 3 and a main negative relay 5 which are vulnerable to damage or can be selectively configured, and can be conveniently connected with other high-voltage box modules to form a standardized design, thereby reducing the production cost and being convenient for maintaining the high-voltage box.
The invention relates to a modularized high-voltage distribution box of an extensible main negative relay, which adopts a relay device without a shell to design a main positive relay 2, and the relay device is arranged in a box body, and the box body of the modularized high-voltage distribution box is used as the shell of an internal device of the main positive relay, so that the installation space can be effectively reduced, the volume of a product can be reduced, and the manufacturing cost can be reduced.
Example two
Referring to fig. 10 to 13, the modular high voltage distribution box of the expandable main negative relay of the present invention is different from the first embodiment in that the two fins 54 of the housing 51 of the main negative relay 5 are disposed at the middle of the two sides of the housing 51 of the main negative relay 5, and the mounting platform 73 of the base 7 is substantially flush with the upper ends of the first mounting groove 71 and the second mounting groove 72.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (7)
1. A modularized high-voltage distribution box with an expandable main negative relay comprises a box body, a main positive relay and a fuse; the upper part of the main positive relay is provided with a contact leading-out end, and the main positive relay is arranged in the box body and enables the contact leading-out end at the upper part to extend out of the box body; the fuse is arranged in the box body, copper bars at two ends of the fuse extend out of the box body respectively, and one copper bar is connected with one of two contact leading-out ends of the main positive relay; the main positive relay is provided with a coil lead-out pin, and the coil lead-out pin of the main positive relay is connected with an electric connector of the modularized high-voltage distribution box; the method is characterized in that: the high-voltage distribution box also comprises an optional main negative relay, wherein the main negative relay is provided with a shell, a contact leading-out end and a coil leading-out pin thereof, which extend out of the shell, and the contact leading-out end extends out of the upper end of the shell; a first groove with an upper opening and a side opening is arranged at one side of the box body, and the space of the first groove is mutually isolated from the space in the box body; the main negative relay is selectively arranged in the first groove, and a coil lead-out pin of the main negative relay is connected with an electric connector of the modularized high-voltage distribution box; the box body consists of an upper cover with a downward opening and a base with an upward opening, and the upper cover covers the base and is fixed with the base; the base is provided with a first mounting groove and a second mounting groove which are isolated from each other, and the main positive relay and the fuse are respectively arranged in the first mounting groove and the second mounting groove; the first groove is arranged at one side part of the base, and a yielding gap is arranged above the first groove in the upper cover, so that the first groove has an upper opening and a side opening relative to the box body; the two side surfaces of the shell of the main negative relay are respectively provided with fins, the two sides of the first groove of the base are respectively provided with a mounting platform, and when the main negative relay is arranged in the first groove, the two fins of the main negative relay are respectively lapped on the mounting platforms at the two sides of the first groove, and the main negative relay is fixed with the base in a screw fixing mode; the bottom surface of the base is provided with a second groove with a downward opening, the electric connecting piece is a PCB, and the PCB is accommodated in the second groove; the bottom of the first groove of the base is provided with two first jacks communicated with the second groove; two coil leading-out pins of the main negative relay respectively extend out of the bottom surface of the shell of the main negative relay; when the main negative relay is installed in the first groove, the two coil leading-out pins of the main negative relay respectively penetrate through the two first jacks at the bottom of the first groove of the base, are inserted into the PCB in the second groove, and are fixed and electrically communicated in a welding mode.
2. The modular high voltage distribution box of the scalable main negative relay of claim 1, wherein: the first mounting grooves and the second mounting grooves are distributed along the length direction of the base, and the first grooves are arranged beside the second mounting grooves along the width direction of the base.
3. The modular high voltage distribution box of the scalable main negative relay of claim 2, wherein: the two fins of the shell of the main negative relay are arranged at the top ends of the two side surfaces of the shell of the main negative relay, and the mounting platform of the base is higher than the upper ends of the first mounting groove and the second mounting groove.
4. The modular high voltage distribution box of the scalable main negative relay of claim 2, wherein: the two fins of the shell of the main negative relay are arranged in the middle of the two side faces of the shell of the main negative relay, and the mounting platform of the base is approximately flush with the upper ends of the first mounting groove and the second mounting groove.
5. The modular high voltage distribution box of the scalable main negative relay of claim 1, wherein: the rear ends of the two side surfaces of the shell of the main negative relay are respectively provided with guide strips extending from the upper end to the lower end, the two sides of the rear side of the first groove of the base are respectively provided with guide grooves which are communicated with the bottom of the groove from the upper end, and when the main negative relay is installed in the first groove, the guide strips on the two sides of the shell of the main negative relay are respectively installed in the first groove from top to bottom along the guide grooves on the two sides of the rear side of the first groove of the base.
6. The modular high voltage distribution box of the scalable main negative relay of claim 1, wherein: the upper cover is provided with a first through hole for enabling the contact leading-out end of the main positive relay to extend out, a second through hole for enabling one copper bar of the fuse to extend out, and a third through hole for enabling a part of the top of the fuse to extend out.
7. The modular high voltage distribution box of the scalable main negative relay of claim 1, wherein: the main positive relay is a relay device without a shell, and comprises a contact part containing the contact leading-out end, a magnetic circuit part and a pushing part, wherein the pushing part is connected between the contact part and the magnetic circuit part; the contact part, the magnetic circuit part and the pushing part are respectively arranged in a first mounting groove of the base; two second jacks are arranged at the bottom of the first mounting groove; the coil leading-out pins of the main positive relay are arranged at the bottom end of the main positive relay and extend vertically downwards, and when the main positive relay is installed in the first mounting groove, the two coil leading-out pins of the main positive relay respectively penetrate through two second jacks at the bottom of the first mounting groove of the base, are inserted into the PCB in the second groove and are fixed and electrically communicated with each other in a welding mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910105001.5A CN109895633B (en) | 2019-02-01 | 2019-02-01 | Modularized high-voltage distribution box of extensible main negative relay |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910105001.5A CN109895633B (en) | 2019-02-01 | 2019-02-01 | Modularized high-voltage distribution box of extensible main negative relay |
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| CN109895633A CN109895633A (en) | 2019-06-18 |
| CN109895633B true CN109895633B (en) | 2024-04-05 |
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| CN109910614B (en) * | 2019-02-01 | 2024-06-07 | 厦门宏发电力电器有限公司 | Modularized high-voltage distribution box with main positive relay |
| CN110828764B (en) * | 2019-10-14 | 2022-06-21 | 恒大新能源技术(深圳)有限公司 | Battery package circuit breaker, battery package and new energy automobile |
| WO2022006705A1 (en) * | 2020-07-06 | 2022-01-13 | 深圳欣锐科技股份有限公司 | High-voltage power distribution module and high-voltage power control assembly |
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| CN209813733U (en) * | 2019-02-01 | 2019-12-20 | 厦门宏发电力电器有限公司 | Modular high-voltage distribution box capable of expanding main and negative relays |
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| JPH05168124A (en) * | 1991-12-09 | 1993-07-02 | Yazaki Corp | Fixing structure for electric joint box and relay unit |
| JP2009290976A (en) * | 2008-05-28 | 2009-12-10 | Autonetworks Technologies Ltd | Power distribution box |
| CN103481792A (en) * | 2013-09-17 | 2014-01-01 | 东风汽车公司 | High-voltage distribution box for power battery |
| CN106627157A (en) * | 2016-11-23 | 2017-05-10 | 中航光电科技股份有限公司 | Electric automobile distribution box and electric automobile with same |
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| CN208368672U (en) * | 2018-06-20 | 2019-01-11 | 铠龙东方汽车有限公司 | A kind of modular BDU for electric car |
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| CN109895633A (en) | 2019-06-18 |
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