CN110545006B - Motor and motor junction box thereof - Google Patents
Motor and motor junction box thereof Download PDFInfo
- Publication number
- CN110545006B CN110545006B CN201910936903.3A CN201910936903A CN110545006B CN 110545006 B CN110545006 B CN 110545006B CN 201910936903 A CN201910936903 A CN 201910936903A CN 110545006 B CN110545006 B CN 110545006B
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- junction box
- motor
- box body
- cover plate
- partition plate
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- 238000005192 partition Methods 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 14
- 239000000498 cooling water Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- 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
Abstract
The application discloses a motor and a motor junction box thereof, wherein the motor junction box comprises a cylindrical junction box body, a shielding partition plate arranged in the junction box body, and a front cover plate and a rear cover plate which are respectively positioned at a front opening and a rear opening of the junction box body; the shielding partition plate is located at the eccentric position of the junction box body, so that a large cavity and a small cavity are formed inside the junction box body, a variable frequency controller can be placed in the large cavity, and a signal transceiver can be placed in the small cavity. The motor terminal box that this application provided, through the setting of the terminal box body of drum structure, practice thrift the space more, save material and cost match more with the shape of motor to, utilize the setting of multicavity formula structure, adopt the shielding baffle, solve the signal interference problem, improve the information transfer accuracy of terminal box.
Description
Technical Field
The application relates to the field of permanent magnet synchronous motor equipment, in particular to a motor junction box. In addition, the application also relates to a motor comprising the motor junction box.
Background
With the development of the permanent magnet synchronous motor technology and the application of automatic control, and the trend of miniaturization and intellectualization of the motor structure, the integrated design of the motor and the variable frequency controller is started.
In the integrated structure of the permanent magnet synchronous motor and the variable frequency controller for the water pump of the central air conditioner, a wire holder is adopted to be connected with an external power supply in a common motor wiring box, and when the integrated design of the variable frequency controller and the motor is realized, a three-phase wire of the motor is connected to the variable frequency controller, and the common wiring box is difficult to meet the use requirement of the integrated structure.
The motor junction box in the prior art is generally a small square junction box or a similar square junction box.
1) The common junction box is difficult to meet the problems of installation and internal wiring of the variable frequency controller;
2) aiming at a frequency conversion controller of a wireless signal, a common junction box is difficult to realize signal shielding;
3) if the controller is independently installed, the occupied space is large, and the sealing performance is poor;
4) the shape of the common junction box is not matched with the cylindrical structure of the motor, so that the common junction box is not attractive.
Therefore, how to improve the applicability of the motor junction box is a technical problem that needs to be solved by those skilled in the art at present.
Disclosure of Invention
The utility model aims at providing a motor terminal box, this motor terminal box passes through the setting of cylinder type terminal box body, is fit for the structure of motor self more. Another object of the present application is to provide a motor including the motor junction box described above.
In order to achieve the above purpose, the present application provides the following technical solutions:
a motor junction box comprises a cylindrical junction box body, a shielding partition plate arranged in the junction box body, and a front cover plate and a rear cover plate which are respectively positioned at a front opening and a rear opening of the junction box body; the shielding partition plate is located at the eccentric position of the junction box body, so that a large cavity and a small cavity are formed inside the junction box body, a variable frequency controller can be placed in the large cavity, and a signal transceiver can be placed in the small cavity.
Preferably, a small partition plate which is horizontally arranged is further arranged in the small cavity, and the small partition plate and the shielding partition plate are both provided with ventilation window holes.
Preferably, the front opening and the rear opening of the junction box body are respectively provided with a spigot and a sealing gasket in a surrounding manner.
Preferably, reinforcing ribs are arranged on the circumferential direction of the junction box body; and a semicircular hole is formed above the shielding partition plate and is used for the frequency conversion controller to penetrate through a signal wire of the signal transceiver.
Preferably, the bottom of the junction box body is provided with a first three-phase line through hole for the three-phase line to penetrate through so as to be connected with the motor; and a second three-phase line through hole for the three-phase line to penetrate through so as to be connected with the variable frequency controller is formed in the side surface of the junction box body.
Preferably, the front cover plate and/or the rear cover plate are circular arc-shaped, and the radian of the circular arc-shaped is the same as that of the junction box body.
Preferably, the surface of the rear cover plate, which is far away from the junction box body, is an arc surface, and the mounting surface of the rear cover plate, which is close to the junction box body, is a plane.
Preferably, the bottom of terminal box body has set firmly lower clutch, lower clutch articulates there is last clutch, lower clutch with the relative one side in last clutch position all is equipped with the at least three recess that is used for spacing three-phase line.
Preferably, the peripheral part of the junction box body is further provided with a cable tightening piece for connecting the three-phase line and the electric frequency controller.
The application also provides a motor, which comprises the motor junction box.
The motor junction box comprises a cylindrical junction box body, a shielding partition plate arranged in the junction box body, and a front cover plate and a rear cover plate which are respectively positioned at a front opening and a rear opening of the junction box body; the shielding partition plate is located at the eccentric position of the junction box body, so that a large cavity and a small cavity are formed inside the junction box body, a variable frequency controller can be placed in the large cavity, and a signal transceiver can be placed in the small cavity. The motor terminal box that this application provided, through the setting of the terminal box body of drum structure, practice thrift the space more, save material and cost match more with the shape of motor to, utilize the setting of multicavity formula structure, adopt the shielding baffle, solve the signal interference problem, improve the information transfer accuracy of terminal box.
The motor that this application provided is equipped with above-mentioned motor terminal box, because the motor terminal box has above-mentioned technological effect, consequently, the motor that is equipped with this motor terminal box also should have corresponding technological effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of one embodiment of a motor junction box provided herein;
FIG. 2 is a front view of a motor junction box provided herein;
FIG. 3 is a top view of a motor junction box provided herein;
FIG. 4 is a cross-sectional view of a motor junction box provided herein;
fig. 5-a is a top view of a first three-phase wire through hole of the motor junction box provided herein;
FIG. 5-B is a front view of a first three-phase wire through hole of the motor junction box provided herein;
wherein: the structure comprises a junction box body 1, a front cover plate 2, a rear cover plate 3, a front sealing gasket 4, a rear sealing gasket 5, an upper wiring clamp 6, a lower wiring clamp 7, a cable tightening piece 8, a motor rear end cover 9, a small chamber 10, a large chamber 11, a shielding partition plate 12, a small partition plate 13, a small window hole 14, a large window hole 15, a first three-phase line through hole 16, a second three-phase line through hole 17, a three-phase line fixing plate 18, a variable frequency controller 19 and a motor 20.
Detailed Description
The core of this application is to provide a motor terminal box, and this motor terminal box can effectively prevent signal interference nature through the setting of a plurality of cavitys, excellent in use effect. Another core of the present application is to provide a motor including the motor junction box described above.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 5, fig. 1 is a schematic structural diagram of an embodiment of a motor junction box provided in the present application; FIG. 2 is a front view of a motor junction box provided herein; FIG. 3 is a top view of a motor junction box provided herein; FIG. 4 is a cross-sectional view of a motor junction box provided herein; fig. 5-a is a top view of a first three-phase wire through hole of the motor junction box provided herein; fig. 5-B is a front view of a first three-phase wire through hole of the motor junction box provided in the present application.
In this embodiment, the motor junction box includes a junction box body 1, a shielding partition 12, and a front cover plate 2 and a rear cover plate 3.
The junction box comprises a junction box body 1, a shielding partition plate 12 and a frequency conversion controller 19, wherein the junction box body 1 is cylindrical, the shielding partition plate 12 is arranged in the junction box body 1, and the shielding partition plate 12 is located at the eccentric position of the junction box body 1, so that a large cavity 11 and a small cavity 10 are formed in the junction box body 1, the frequency conversion controller 19 can be placed in the large cavity 11, and the signal transceiver can be placed in the small cavity 10; the front cover plate 2 and the rear cover plate 3 are respectively positioned at the front opening and the rear opening of the junction box body 1 so as to realize the sealing of the junction box body 1.
The motor terminal box that this application provided, through the setting of the terminal box body 1 of drum structure, practice thrift the space more, save material and cost match more with motor 20's shape to, utilize the setting of multicavity formula structure, adopt shielding baffle 12, solve the signal interference problem, improve the information transfer accuracy of terminal box.
On the basis of the above embodiments, the small chamber 10 is further provided with a small partition plate 13 horizontally arranged, and the small partition plate 13 and the shielding partition plate 12 are both provided with ventilation windows. Specifically, a small window is arranged on the small partition plate 13, a large window hole 15 is formed in the shielding partition plate 12, the small window hole 14 and the large window hole 15 are arranged between the two chambers, air is circulated, heat dissipation is accelerated, and structural deformation caused by expansion with heat and contraction with cold is prevented.
On the basis of the above embodiments, the front opening and the rear opening of the junction box body 1 are respectively provided with a seam allowance and a sealing gasket in a surrounding manner, the left side and the right side of the sealing gasket can be in a linear type, and the upper side and the lower side of the sealing gasket are in an arc shape so as to accord with the peripheral structural characteristics of the front opening and the rear opening, and the sealing performance of the junction box body 1 with a cylindrical structure can be enhanced by the arrangement of the sealing gasket and the seam allowance structure.
On the basis of each embodiment, the reinforcing ribs are arranged in the circumferential direction of the junction box body 1, and the left end and the right end of the junction box main body are reinforced by the segmented reinforcing ribs to form an integral structure, so that the appearance is more attractive, and the structural strength and the rigidity are improved.
In addition to the above embodiments, a semicircular hole is provided above the shielding partition plate 12 for the signal line of the frequency conversion controller 19 and the signal transceiver to pass through, so as to communicate the signal of the frequency conversion controller 19 and the signal transceiver.
The middle part of terminal box body 1 is equipped with the water joint that supplies cooling water pipe to run through and imports and exports, specifically, increases two water joint and imports and exports, supplies the sealed of cooling water pipe.
On the basis of the above embodiments, the bottom of the junction box body 1 is provided with a first three-phase line through hole 16 for the three-phase line to pass through for connecting the motor 20; the side of terminal box body 1 is equipped with the second three-phase line through hole 17 that supplies the three-phase line to run through in order to connect inverter controller 19 to, outside three-phase power line entry adopts three water joint, improves terminal box body 1's leakproofness, and first three-phase line through hole 16 sets up on three-phase line fixed plate 18, and three-phase line fixed plate 18 still is equipped with the recess that supplies the three-phase line joint.
On the basis of the above embodiments, the front cover plate 2 and/or the rear cover plate 3 are circular arc-shaped, and the radian is the same as that of the junction box body 1, that is, the front cover plate 2 and/or the rear cover plate 3 and the junction box body 1 have the same structure and are uniform.
On the basis of each embodiment, the surface of the rear cover plate 3 far away from the junction box body 1 is an arc surface, the installation surface of the rear cover plate 3 close to the junction box body 1 is a plane, specifically, the middle of the rear cover plate 3 is thick, and the two sides are thin, so that the installation surface of the rear cover plate 3 close to the junction box body 1 is a plane, the installation is convenient, the sealing is realized, the assembly efficiency can be effectively improved, and the assembly difficulty is reduced.
On the basis of each embodiment, the bottom of terminal box body 1 has set firmly lower wire clamp 7, and lower wire clamp 7 articulates there is last binding clip 6, and lower wire clamp 7 all is equipped with the at least three recess that is used for spacing three-phase line with the opposite side in last binding clip 6 position.
Specifically, the upper wiring clamp 6 and the lower wiring clamp 7 for fixing the three-phase lines effectively solve the problem that the three-phase lines of the motor 20 are spatially wired and fixed, and the diameter of a small circular hole of the three-phase line wiring clamp is determined according to the diameter of the three-phase lines.
In addition to the above embodiments, the outer periphery of the junction box body 1 is further provided with a cable tightening member 8 for connecting the three-phase line and the frequency controller.
Specifically, the junction box body 1 is vertically installed on a rear end cover 9 of a motor 20, a variable frequency controller 19 is arranged in the junction box body 1, an external three-phase power line is connected to an input terminal of a frequency converter through three cable tightening pieces 8 on the junction box body 1, and an internal three-phase line of the motor 20 is connected to an output terminal of the frequency converter through the rear end cover and an appearance hole at the bottom of the junction box; the back of the variable frequency controller 19 is provided with a signal control panel, the signal control panel is disconnected through the shielding partition plate 12, the antenna is led out from the top end of the junction box body 1, two cooling water pipes are arranged on the left side of the variable frequency controller 19, and the junction box can be led out through the cable screwing piece 8.
Specifically, in a specific embodiment, the junction box with the main structure is a cylindrical shell structure, and has a front mounting interface and a rear mounting interface, the middle of the junction box is divided into two chambers, namely a small chamber 10 and a large chamber 11, by a shielding partition plate 12, the semi-circular arc structures of the front cover plate 2 and the rear cover plate 3 are mounted with the junction box by transition fit, and the front cover plate 3 and the rear cover plate 3 and the junction box are sealed by a front sealing gasket 4 and a rear sealing gasket 5 to form the whole junction box.
The junction box is mainly used for a vertically-installed motor 20, the bottom of the junction box is connected with a rear end cover 9 of the motor 20 through bolts, and three-phase lines of the motor 20 are connected into the junction box through the rear end cover and an 1/4 arc-shaped opening at the bottom of the junction box.
As shown in fig. 5-a and 5-B, the three-phase line of the motor 20 is fixed by the upper wiring clamp 6 and the lower wiring clamp 7, the lower wiring clamp 7 is fastened at the bottom of the junction box, the three-phase line of the motor 20 passes through three large through holes of the lower wiring clamp 7, the three-phase line is respectively wired by the grooves, and finally the three-phase line is fixed by the upper wiring clamp 6, and three outgoing line ends just correspond to the terminal table of the variable frequency controller 19, so that not only is the space wiring of the three-phase line realized, but also the positioning and; the whole junction box is of a full-sealing structure, an external three-phase power line connected with a variable frequency controller 19 of the large cavity 11 is connected to the variable frequency controller 19 through a cable tightening piece 8, and a special cooling water pipeline is arranged in addition and is also sealed by the cable tightening piece 8; the inside of the junction box is divided into two chambers by a shielding partition 12: the large chamber 11 and the small chamber 10 are respectively provided with a variable frequency controller 19 and a signal transceiver, and the anti-shielding partition plate 12 can prevent the current of the variable frequency controller 19 from interfering the signal transceiver; as shown in FIG. 4, the small chamber 10 is broken by the small partition 13, but the small window hole 14 and the large window hole 15 are opened at the lower parts of the small partition 13 and the shielding partition 12 to realize air convection, improve the cooling efficiency of the variable frequency controller 19 and prevent the deformation of the junction box caused by the expansion and contraction of the lower closed cavity of the small chamber 10.
The motor junction box adopts a cylindrical structure, so that the appearance is attractive, and compared with a square structure, the space and the material are saved; the multi-cavity structure is adopted, different electrical elements, particularly signal transceivers are placed, and signals can be prevented from interfering with each other; and the double-wiring clamp is adopted, so that the wiring optimization of the space three-phase line is realized, and the stability is higher.
In addition to the motor junction box, the present application also provides a motor 20 including the motor junction box, and please refer to the prior art for the structure of other parts of the motor 20, which is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The motor junction box provided by the application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (9)
1. A motor junction box is characterized by comprising a cylindrical junction box body (1), a shielding partition plate (12) arranged in the junction box body (1), and a front cover plate (2) and a rear cover plate (3) which are respectively positioned at the front opening and the rear opening of the junction box body (1); the shielding partition plate (12) is located at an eccentric position of the junction box body (1) so that a large chamber (11) and a small chamber (10) are formed inside the junction box body (1), a variable frequency controller (19) is placed in the large chamber (11), and a signal transceiver is placed in the small chamber (10); the small chamber (10) is also internally provided with a small partition plate (13) which is horizontally arranged, and the small partition plate (13) and the shielding partition plate (12) are both provided with ventilation window holes.
2. The motor junction box according to claim 1, characterized in that a spigot and a gasket are provided around both the front opening and the rear opening of the junction box body (1).
3. The motor junction box according to claim 1, wherein a reinforcing rib is provided in the circumferential direction of the junction box body (1); and a semicircular hole is formed above the shielding partition plate (12) and is used for the penetration of the frequency conversion controller (19) and a signal wire of the signal transceiver.
4. The motor junction box according to any one of claims 1 to 3, characterized in that the bottom of the junction box body (1) is provided with a first three-phase line through hole (16) for the three-phase line to pass through for connecting the motor; and a second three-phase line through hole (17) for the three-phase line to penetrate through to be connected with the variable frequency controller (19) is formed in the side surface of the junction box body (1).
5. The motor junction box according to any one of claims 1 to 3, characterized in that the front cover plate (2) and/or the rear cover plate (3) is/are arc-shaped and the arc is the same as the arc of the junction box body (1).
6. The motor junction box according to any one of claims 1 to 3, wherein the surface of the rear cover plate (3) away from the junction box body (1) is an arc surface, and the mounting surface of the rear cover plate (3) close to the junction box body (1) is a plane.
7. The motor junction box according to any one of claims 1 to 3, characterized in that a lower wire clamp (7) is fixedly arranged at the bottom of the junction box body (1), the lower wire clamp (7) is hinged with an upper wire clamp (6), and at least three grooves for limiting three-phase lines are arranged on the opposite sides of the lower wire clamp (7) and the upper wire clamp (6).
8. The motor junction box according to claim 7, characterized in that the peripheral part of the box body (1) is further provided with a cable tightening piece (8) for connecting the three-phase wires and the frequency controller.
9. An electric motor comprising a motor junction box, characterized in that the motor junction box is as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936903.3A CN110545006B (en) | 2019-09-29 | 2019-09-29 | Motor and motor junction box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910936903.3A CN110545006B (en) | 2019-09-29 | 2019-09-29 | Motor and motor junction box thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110545006A CN110545006A (en) | 2019-12-06 |
| CN110545006B true CN110545006B (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910936903.3A Active CN110545006B (en) | 2019-09-29 | 2019-09-29 | Motor and motor junction box thereof |
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| Country | Link |
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| CN (1) | CN110545006B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202634155U (en) * | 2012-04-13 | 2012-12-26 | 佳木斯电机股份有限公司 | Arc-shaped conjunction box of flame-proof motor |
| CN204681201U (en) * | 2015-06-15 | 2015-09-30 | 皖西学院 | Switched reluctance machines terminal box |
| CN206452234U (en) * | 2017-01-22 | 2017-08-29 | 浙江金龙电机股份有限公司 | A kind of circular joint box for motor |
| CN208619321U (en) * | 2018-08-24 | 2019-03-19 | 上海上涵自动化科技有限公司 | A kind of water cooling intelligent water pump control device |
| JP2019054711A (en) * | 2017-09-15 | 2019-04-04 | 日本電産株式会社 | Driver |
-
2019
- 2019-09-29 CN CN201910936903.3A patent/CN110545006B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202634155U (en) * | 2012-04-13 | 2012-12-26 | 佳木斯电机股份有限公司 | Arc-shaped conjunction box of flame-proof motor |
| CN204681201U (en) * | 2015-06-15 | 2015-09-30 | 皖西学院 | Switched reluctance machines terminal box |
| CN206452234U (en) * | 2017-01-22 | 2017-08-29 | 浙江金龙电机股份有限公司 | A kind of circular joint box for motor |
| JP2019054711A (en) * | 2017-09-15 | 2019-04-04 | 日本電産株式会社 | Driver |
| CN208619321U (en) * | 2018-08-24 | 2019-03-19 | 上海上涵自动化科技有限公司 | A kind of water cooling intelligent water pump control device |
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| Publication number | Publication date |
|---|---|
| CN110545006A (en) | 2019-12-06 |
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Effective date of registration: 20240104 Address after: Building 2, No. 6 Xinzhong Road, Haichang Street, Jiaxing City, Zhejiang Province, 314400 Patentee after: Zhejiang CRRC shangchi Electric Co.,Ltd. Address before: 412000 Tianxin hi tech park, Shifeng District, Zhuzhou City, Hunan Province Patentee before: CRRC Zhuzhou Electric Co.,Ltd. |
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Address after: Building 2, No. 6 Xinzhong Road, Haichang Street, Jiaxing City, Zhejiang Province, 314400 Patentee after: Zhejiang Shangchi Electric Co.,Ltd. Country or region after: China Address before: Building 2, No. 6 Xinzhong Road, Haichang Street, Jiaxing City, Zhejiang Province, 314400 Patentee before: Zhejiang CRRC shangchi Electric Co.,Ltd. Country or region before: China |
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