CN117526624A - Integrated motor junction box - Google Patents
Integrated motor junction box Download PDFInfo
- Publication number
- CN117526624A CN117526624A CN202311537887.3A CN202311537887A CN117526624A CN 117526624 A CN117526624 A CN 117526624A CN 202311537887 A CN202311537887 A CN 202311537887A CN 117526624 A CN117526624 A CN 117526624A
- Authority
- CN
- China
- Prior art keywords
- motor
- box body
- box
- junction box
- rear end
- 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.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 9
- 230000010354 integration Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/40—Structural association with grounding devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Frames (AREA)
Abstract
Integral type motor terminal box, including the terminal box of dress at the motor rear end, its characterized in that: the junction box is coaxially arranged at the rear end of the motor shell and seals the rear end of the motor shell, the outer diameter of the junction box is equal to the outer diameter of the motor shell, a rotating shaft of the motor extends into the junction box, the rotary transformer is arranged on the rotating shaft and is positioned in the junction box, a junction seat connected with a lead-out wire of the motor, a rotary transformer outer cover for sealing a cover of the rotary transformer and a grounding carbon brush matched with the rotating shaft are arranged in the junction box, a power cable extends into the junction box and is connected with the junction seat, and a gram connector assembled with the power cable and a grounding bolt connected with the grounding carbon brush are respectively arranged on the junction box. The invention reduces the axial and radial dimensions of the integrated motor, improves the structural compactness of the motor junction box, forms the integrated high integration of the motor and the junction box, fully utilizes the space in the junction box, improves the protection level, reduces the space volume of the motor, and reduces the space occupation rate of the motor arranged in the whole vehicle.
Description
Technical Field
The invention relates to an integrated motor junction box, and belongs to the technical field of motor junction boxes.
Background
The terminal box is an important component part of the motor, and the miniaturization requirement of the motor in a plurality of application fields is increasing at present, for example, the motor volume of a new energy automobile directly influences the power structure of the whole automobile or the driving space and the like. The technical route for realizing miniaturization of the motor is numerous, for example, the stator and rotor volume is reduced through the optimal design, or the space occupied by the motor structural member is reduced. The motor length is the sum of the axial lengths of the shell and the junction box, and the radial total height is the maximum value of the heights of the junction box and the shell, so that the motor junction box directly influences the overall dimension of the motor, and if the design is unreasonable, the problems of increased installation space required by the motor, difficult disassembly and assembly of various cables and the like are caused. The outgoing line direction of the motor is mainly divided into radial direction and axial direction, and the defects of the motor junction box are as follows:
(1) Because the existing junction box does not fully utilize the occupied axial and radial three-dimensional space, the design size of the junction box is larger.
(2) The prior structure junction box cannot integrate auxiliary components of the motor into a line concentration box, such as a rotary transformer, a grounding carbon brush, a breather valve and the like.
(3) The rotary transformer has insufficient installation space, is difficult to realize isolation and protection, does not have an anti-condensation function in the junction box, and the reliability and the safety of use are required to be improved.
Disclosure of Invention
The integrated motor junction box provided by the invention has the advantages that the axial and radial dimensions of the integrated motor are reduced, the structural compactness of the motor junction box is improved, the integrated high integration of the motor and the junction box is formed, the space in the junction box is fully utilized, the protection level is improved, the space volume of the motor is reduced, and the space occupation rate of the motor arranged in the whole vehicle is reduced.
In order to achieve the above purpose, the invention adopts the following technical scheme:
integral type motor terminal box, including the terminal box of dress at the motor rear end, its characterized in that: the junction box is coaxially arranged at the rear end of the motor shell and seals the rear end of the motor shell, the outer diameter of the junction box is equal to the outer diameter of the motor shell, a rotating shaft of the motor extends into the junction box, the rotary transformer is arranged on the rotating shaft and is positioned in the junction box, a junction seat connected with a lead-out wire of the motor, a rotary transformer outer cover for sealing a cover of the rotary transformer and a grounding carbon brush matched with the rotating shaft are arranged in the junction box, a power cable extends into the junction box and is connected with the junction seat, and a gram connector assembled with the power cable and a grounding bolt connected with the grounding carbon brush are respectively arranged on the junction box.
Preferably, the junction box comprises a box body fixedly connected with the rear end of the motor shell and a box cover covered on the box body, the box body is in sealing fit with the rear end of the motor shell, the front end of the box body is integrally formed with a supporting seat coaxially aligned with the rotating shaft, the front end of the supporting seat stretches into the motor shell, a supporting bearing is pressed at the front end of the supporting seat, the rotating shaft penetrates through the supporting bearing and stretches into the box body, a rotary transformer is pressed at the rear end of the supporting seat, and a rotary outer cover is coaxially fixed at the rear end of the supporting seat.
Preferably, the rotary outer cover is provided with a central hole coaxially aligned with the rotating shaft, the grounding carbon brush is pressed in the central hole, the rear end of the rotating shaft extends into the grounding carbon brush, and the inner wall of the central hole is provided with an annular positioning step surface propped against the end face of the wiring carbon brush.
Preferably, the wire holder is fixed in the box body, the power cable stretches into the box body along radial direction and is located the rear side of changing the outer box soon, the binding post of power cable supports on the wire holder, the motor lead-out wire stretches into in the box body and the tip supports on the binding post of power cable, the bolt passes binding post and the motor lead-out wire tip fastening of power cable in the wire holder.
Preferably, the outer wall of the box body is provided with a joint hole matched with the gram joint and a bolt hole matched with the grounding bolt, one side of the joint hole is provided with a socket mounting hole, a control line connector socket is mounted in the socket mounting hole, the socket mounting hole is sealed through a sealing gasket, and a rotary-variable signal wire of the rotary transformer penetrates out of the rotary-variable outer cover to be connected with the control line connector socket.
Preferably, the box body is provided with a temperature measuring mounting hole along the radial direction, the temperature measuring sensor is arranged in the temperature measuring mounting hole and is close to the position of the rotary transformer, and a signal wire of the temperature measuring sensor is connected with the control wire connector socket.
Preferably, the box body is provided with a breathing hole and a water outlet along the radial direction, the breathing hole is provided with a breathing valve, and the water outlet is provided with a water discharge valve.
Preferably, the box body is gone up integrated into one piece and stretches into the box body bulge loop in the motor casing, box body bulge loop and motor casing inner wall contact along with the fixed of box body and motor casing, the cover has the box body sealing washer that compresses tightly on motor casing inner wall on the box body bulge loop, the lid bulge loop that goes into in the box body of integrated into one piece on the lid, lid bulge loop and box body inner wall contact along with the fixed of lid and box body, the cover sealing washer that compresses tightly on the box body inner wall is overlapped on the lid bulge loop.
The invention has the beneficial effects that:
1. the junction box in the integrated motor junction box is coaxially arranged at the rear end of the motor shell and seals the rear end of the motor shell, the outer diameter of the junction box is equal to that of the motor shell, a section of cylindrical junction space is added at the rear end of the motor, the junction box is used as a junction space and is also used as a motor rear end cover, the motor rear end cover is omitted, the junction box and the motor shell are integrated into a whole, a junction seat, a rotator, a rotary outer cover, a grounding carbon brush and a power cable are all arranged in the junction box, a gram connector and a grounding bolt are respectively arranged on the junction box, the radial space and the axial space of the rear end of the motor are fully utilized, the axial dimension and the radial dimension of the integrated motor are reduced on the premise that national standard electric gap and creepage distance are met, the structural compactness of the motor junction box is improved, the integrated high integration of the motor and the junction box is formed, the space volume of the motor is reduced, and the space occupation rate of the motor arranged in the whole motor is reduced.
2. The supporting bearing is pressed at the front end of the supporting seat of the box body, the rotary transformer is pressed at the rear end of the supporting seat, the radial support of the rotating shaft and the rotary transformer is realized, the assembly reliability of the rotating shaft and the rotary transformer is ensured, the occupied space of the rotary transformer in the box body is reduced, the rotary transformer is separated from other parts in the box body by the rotary transformer outer cover, the rotary transformer is isolated and protected, the grounding carbon brush is installed on the rotary transformer outer cover by arranging the central hole, so that the grounding carbon brush can be in coaxial effective contact fit with the rotating shaft, the installation structure of the grounding carbon brush is simple, the space occupation rate is small, the installation stability is high, the grounding reliability is effectively improved, the isolation protection is formed by the rotary transformer outer cover, the grounding carbon brush is supported and positioned, the space in the junction box is fully utilized, and the protection level is improved.
3. The box body is provided with a gram joint, a joint bolt, a breather valve, a drain valve and a control line connector socket, so that the grounding reliability and the waterproof and anti-condensation functions of the box connection line are ensured on the basis of meeting the wiring requirement of the junction box.
Drawings
Fig. 1 is a schematic view of an integrated motor terminal block of the present invention at the rear end of a motor.
Fig. 2 is a perspective structural view of the case.
Fig. 3 is an enlarged partial schematic view of fig. 1.
Fig. 4 is a schematic view of the sealing engagement of the cartridge with the motor housing.
FIG. 5 is a schematic view of the sealing engagement of the lid with the body.
Detailed Description
Embodiments of the present invention are described in detail below with reference to fig. 1 to 5.
The utility model provides an integral type motor terminal box, includes terminal box 1 of dress at the motor rear end, its characterized in that: the junction box 1 is coaxially arranged at the rear end of the motor shell 2 and seals the rear end of the motor shell 2, the outer diameter of the junction box 2 is equal to the outer diameter of the motor shell 1, a rotating shaft 3 of the motor extends into the junction box 2, a rotary transformer 4 is arranged on the rotating shaft 3 and is positioned in the junction box 1, a junction box 5 connected with a motor outgoing line, a rotary transformer outer cover 6 for sealing the rotary transformer 4 and a grounding carbon brush 7 matched with the rotating shaft 3 are arranged in the junction box 1, a power cable 8 extends into the junction box 1 and is connected with the junction box 5, and a gram joint 9 assembled with the power cable 8 and a grounding bolt 10 connected with the grounding carbon brush 7 are respectively arranged on the junction box 1.
Above terminal box 1 coaxial arrangement in the integrated motor terminal box at motor housing 2 rear end and with motor housing 2 rear end sealed, terminal box 1 equals with motor housing 2 external diameter, be equivalent to increasing one section cylinder wiring space at the motor rear end, terminal box 1 is as wiring space again as motor rear end lid, save motor rear end lid, integrate terminal box 1 and motor housing 2 as an organic whole, with terminal seat 5, rotator 4, the cover 6 that changes soon, ground carbon brush 7 and power cable 8 all set up in terminal box 4, install gram joint 9 and ground bolt 10 respectively on terminal box 1, make full use of motor rear end's radial and axial space, under the prerequisite of satisfying national standard electric gap and creepage distance, reduce the axial and radial dimensions of integrated motor, improve motor terminal box's compact structure, form the high integration of motor and terminal box, reduce the space volume of motor, reduce the space occupation rate that the motor was arranged in whole car.
The junction box 1 comprises a box body 11 fixedly connected with the rear end of the motor shell 2 and a box cover 12 covered on the box body 11, the box body 11 is in sealing fit with the rear end of the motor shell, the front end of the box body 11 is integrally formed with a supporting seat 13 coaxially aligned with the rotating shaft 3, the front end of the supporting seat 13 stretches into the motor shell 2, a supporting bearing 14 is pressed at the front end of the supporting seat 13, the rotating shaft 3 stretches into the box body 11 through the supporting bearing 14, the rotary transformer 4 is pressed at the rear end of the supporting seat 13, and the rotary transformer outer cover 6 is coaxially fixed at the rear end of the supporting seat 13. The supporting bearing 14 is pressed at the front end of the supporting seat 13, the rotary transformer 4 is pressed at the rear end of the supporting seat 13, the radial support of the rotating shaft 3 and the rotary transformer 4 is realized, the assembly reliability of the rotating shaft 3 and the rotary transformer 4 is ensured, the occupied space of the rotary transformer 4 in the box body 11 is reduced, the rotary transformer 4 is separated from other parts in the box body by the rotary transformer outer cover 6, the rotary transformer 4 is isolated and protected, the influence of dust and water vapor on the rotary transformer 4 is reduced, and the service life is prolonged.
The rotary outer cover 6 is provided with a central hole 61 coaxially aligned with the rotating shaft 3, the grounding carbon brush 7 is press-fitted in the central hole 61, the rear end of the rotating shaft 3 extends into the grounding carbon brush 7, and the inner wall of the central hole 61 is provided with an annular positioning step surface 62 propped against the end surface of the wiring carbon brush 7. The center hole 61 is formed in the rotary outer cover 6 and the grounding carbon brush 7 is mounted, so that the grounding carbon brush 7 can be in coaxial effective contact fit with the rotating shaft 3, the annular positioning step surface 62 forms axial positioning on the grounding carbon brush 7, the mounting structure of the grounding carbon brush 7 is simple, the space occupation rate is small, the mounting stability is high, the grounding reliability is effectively improved, the rotary outer cover 6 is used for forming isolation protection on the rotary transformer 4, the grounding carbon brush 7 is supported and positioned, and the space in the junction box is fully utilized and the protection level is improved.
The wire holder 5 is fixed in the box body, the power cable 8 extends into the box body along the radial direction and is positioned at the rear side of the rotary outer box 6, the wire connection terminal of the power cable 8 abuts against the wire holder 5, the motor outgoing wire extends into the box body, the end of the motor outgoing wire abuts against the wire connection terminal of the power cable 8, and the bolts penetrate through the wire connection terminal of the power cable 8 and the end of the motor outgoing wire to be fastened in the wire holder 5. The power cable 8 stretches into the wiring seat 5 along the radial direction and occupies the radial space of the inner cavity of the box body 11 only, does not occupy the axial space, and effectively reduces the axial length of the wiring box.
The outer wall of the box body 11 is provided with a joint hole 15 matched with the gram joint 9 and a bolt hole 16 matched with the grounding bolt 10, one side of the joint hole 15 is provided with a socket mounting hole 17, a control line connector socket 18 is mounted in the socket mounting hole 17, the socket mounting hole 17 is sealed through a sealing gasket, and a rotary-change signal wire of the rotary-change device 4 penetrates out of the rotary-change outer cover 6 to be connected with the control line connector socket 18. The gram joint 9, the grounding bolt 10 and the control wire connector socket 18 are arranged on the outer wall of the box body, so that the foundation of the wiring requirement of the junction box is met, and the grounding reliability of the junction box wire is ensured.
Wherein, the box 11 is provided with a temperature measuring installation hole along the radial direction, a temperature measuring sensor 19 is arranged in the temperature measuring installation hole and is close to the position of the rotary transformer, and a signal wire of the temperature measuring sensor 19 is connected with a control wire connector socket 18. The temperature of the position of the rotary transformer is monitored in real time through a temperature measuring sensor 19, and the wiring connection of the rotary transformer and the temperature measuring sensor is realized through a control line connector socket 18.
Wherein, the box body 11 is provided with a breathing hole and a water outlet along the radial direction, the breathing hole is provided with a breathing valve 20, and the water outlet is provided with a water drain valve 21. The arrangement of the breather valve and drain valve enables the junction box to have waterproof and anti-condensation functions, ensures the drying of the environment in the junction box, and improves the safety.
Wherein, the box body 11 on integrated into one piece stretch into the box body bulge loop 111 in the motor casing 2, box body bulge loop 111 along with the fixed and with the motor casing inner wall contact of box body 11 and motor casing 2, the cover has the box body sealing washer 112 that compresses tightly on the motor casing 2 inner wall on the box body bulge loop 111, the lid bulge loop 121 that integrated into one piece stretched into the box body on the lid 12, lid bulge loop 121 along with the fixed and with the box body inner wall contact of box body 12 and box body 11, the cover sealing washer 122 that compresses tightly on the box body 11 inner wall is overlapped on the lid bulge loop 121. As shown in fig. 4 and 5, the box body 11 is in sealing fit with the motor housing 2 through the box body sealing ring 112, and the box body 11 is in sealing fit with the box cover 12 through the box cover sealing ring 122, so that the rear end of the motor is effectively sealed.
The foregoing disclosure of embodiments of the present invention has been fully described with reference to the accompanying drawings, in which it is to be understood that the embodiments described are merely some of the embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (8)
1. Integral type motor terminal box, including the terminal box of dress at the motor rear end, its characterized in that: the junction box is coaxially arranged at the rear end of the motor shell and seals the rear end of the motor shell, the outer diameter of the junction box is equal to the outer diameter of the motor shell, a rotating shaft of the motor extends into the junction box, the rotary transformer is arranged on the rotating shaft and is positioned in the junction box, a junction seat connected with a lead-out wire of the motor, a rotary transformer outer cover for sealing a cover of the rotary transformer and a grounding carbon brush matched with the rotating shaft are arranged in the junction box, a power cable extends into the junction box and is connected with the junction seat, and a gram connector assembled with the power cable and a grounding bolt connected with the grounding carbon brush are respectively arranged on the junction box.
2. The integrated motor terminal block of claim 1, wherein: the junction box comprises a box body fixedly connected with the rear end of the motor shell and a box cover covered on the box body, the box body is in sealing fit with the rear end of the motor shell, the front end of the box body is integrally formed with a supporting seat coaxially aligned with a rotating shaft, the front end of the supporting seat stretches into the motor shell, a supporting bearing is pressed at the front end of the supporting seat, the rotating shaft penetrates through the supporting bearing and stretches into the box body, a rotary transformer is pressed at the rear end of the supporting seat, and a rotary outer cover is coaxially fixed at the rear end of the supporting seat.
3. The integrated motor terminal block of claim 2, wherein: the rotary outer cover is provided with a central hole coaxially aligned with the rotating shaft, the grounding carbon brush is pressed in the central hole, the rear end of the rotating shaft extends into the grounding carbon brush, and the inner wall of the central hole is provided with an annular positioning step surface propped against the end face of the wiring carbon brush.
4. The integrated motor terminal block of claim 2, wherein: the wire holder fix in the box body, power cable radially stretches into in the box body and be located the rear side of changing the outer box soon, power cable's binding post supports on the wire holder, motor lead-out wire stretches into in the box body and the tip supports on power cable's binding post, the bolt passes power cable's binding post and motor lead-out wire tip fastening in the wire holder.
5. The integrated motor terminal block of claim 2, wherein: the outer wall of the box body is provided with a joint hole matched with the gram joint and a bolt hole matched with the grounding bolt, one side of the joint hole is provided with a socket mounting hole, a control line connector socket is mounted in the socket mounting hole, the socket mounting hole is sealed through a sealing gasket, and a rotary change signal wire of the rotary transformer penetrates out of the rotary change outer cover to be connected with the control line connector socket.
6. The integrated motor terminal block of claim 5, wherein: the temperature measuring device is characterized in that a temperature measuring mounting hole is formed in the box body along the radial direction, a temperature measuring sensor is arranged in the temperature measuring mounting hole and is close to the position where the rotary transformer is located, and a signal wire of the temperature measuring sensor is connected with a control wire connector socket.
7. The integrated motor terminal block of claim 5, wherein: the box body is provided with a breathing hole and a water outlet along the radial direction, the breathing hole is provided with a breathing valve, and the water outlet is provided with a water discharge valve.
8. The integrated motor terminal block of claim 2, wherein: the box body on integrated into one piece stretch into the box body bulge loop in the motor casing, the box body bulge loop along with the fixed and with the motor casing inner wall contact of box body and motor casing, the cover has the box body sealing washer that compresses tightly on the motor casing inner wall on the box body bulge loop, the lid bulge loop in the box body is stretched into to integrated into one piece on the lid, the lid bulge loop along with the fixed and with the box body of lid inner wall contact of box body, the cover sealing washer that compresses tightly on the box body inner wall is overlapped on the lid bulge loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311537887.3A CN117526624A (en) | 2023-11-17 | 2023-11-17 | Integrated motor junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311537887.3A CN117526624A (en) | 2023-11-17 | 2023-11-17 | Integrated motor junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117526624A true CN117526624A (en) | 2024-02-06 |
Family
ID=89747303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311537887.3A Pending CN117526624A (en) | 2023-11-17 | 2023-11-17 | Integrated motor junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117526624A (en) |
-
2023
- 2023-11-17 CN CN202311537887.3A patent/CN117526624A/en active Pending
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