CN212875541U - Controller of submersible motor for pump - Google Patents
Controller of submersible motor for pump Download PDFInfo
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- CN212875541U CN212875541U CN202022221826.4U CN202022221826U CN212875541U CN 212875541 U CN212875541 U CN 212875541U CN 202022221826 U CN202022221826 U CN 202022221826U CN 212875541 U CN212875541 U CN 212875541U
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- end piece
- shell
- circuit board
- controller
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000017525 heat dissipation Effects 0.000 claims description 37
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 16
- 238000009825 accumulation Methods 0.000 abstract description 6
- 239000000565 sealant Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a controller of submersible motor for pump belongs to the immersible pump field, to the poor problem of controller radiating effect in current submersible motor, adopts technical scheme as follows: a controller of a submersible motor for a pump comprises a cylindrical shell and a circuit board arranged in the shell, wherein a lead of the circuit board extends out of a first end of the shell so as to be connected with a motor main body, a water passing end piece capable of being in contact with water flow is positioned at the first end of the shell and is in sealing connection with the shell, so that the circuit board can radiate heat through the side faces of the water passing end piece and the shell. The controller of this application and motor main part separately set up to dispel the heat respectively, cross the water end cover and enclose the circuit board in the shell, prevent its and water contact, and external rivers can take away the heat on the water end piece, and like this, the circuit board not only dispels the heat through the side of shell, can also dispel the heat through crossing the water end piece, can avoid the heat accumulation to cause the influence to the circuit board, and the radiating effect is good.
Description
Technical Field
The utility model belongs to the immersible pump field, in particular to controller of submersible motor for pump.
Background
The motor that the immersible pump is commonly used is the asynchronous machine, but its rotational speed is lower, the energy consumption is big and the lift is not enough, in order to improve this problem, have improvement scheme to adopt the permanent-magnet machine with controller to replace asynchronous machine, the controller of this permanent-magnet machine and the assembly of permanent-magnet machine main part are in a cavity enclosed by the shell, fill liquid oil used as heat transfer medium, sealing medium and lubricating medium in this cavity, and balance the internal and external pressure of motor in order to meet the deepwater operation requirement through the gasbag. The heat generated by the controller and the permanent magnet motor main body is transferred to the liquid oil, the liquid oil is conducted and radiated through the cavity wall, the amount of the liquid oil contained is limited due to the narrow space of the cavity surrounded by the motor shell, the heat exchange effect of the shell is poor, the heat generated by the heating module in the controller and the heat generated by the permanent magnet motor main body are not easy to radiate, especially, the heat generated by the heating module and the heat generated by the permanent magnet motor main body in the working process of the motor shell are accumulated and superposed in a common cavity, the temperature rise of the controller is too high, the controller is burnt out, and the requirement. Therefore, the existing structure needs to be improved, the heat dissipation effect of the controller is improved, and the working condition of the controller is improved.
SUMMERY OF THE UTILITY MODEL
To the poor problem of controller radiating effect in current dive motor, the utility model provides a pump that separately sets up with the permanent-magnet machine main part is with controller of dive motor effectively avoids the heat stack, guarantees that the controller has good operating condition.
The utility model adopts the technical scheme as follows: a controller of a submersible motor for a pump comprises a cylindrical shell and a circuit board arranged in the shell, wherein a lead of the circuit board extends out of a first end of the shell so as to be connected with a motor main body, a water passing end piece capable of being in contact with water flow is positioned at the first end of the shell and is in sealing connection with the shell, so that the circuit board can radiate heat through the side faces of the water passing end piece and the shell.
The controller of this application and motor main part separately set up to dispel the heat respectively, cross the water end cover and enclose the circuit board in the shell, prevent its and water contact, and external rivers can take away the heat on the water end piece, and like this, the circuit board not only dispels the heat through the side of shell, can also dispel the heat through crossing the water end piece, can avoid the heat accumulation to cause the influence to the circuit board, and the radiating effect is good.
Preferably, the circuit board is radially arranged in the shell, and a heating module on the circuit board is tightly attached to the water end part. The heating module is tightly attached to the water passing end piece, so that heat generated by the heating module can be directly transferred to the water passing end piece, a heat transfer path is shortened, external water flow can effectively take away heat of the heating module of the controller, and the heat dissipation effect of the heating module is greatly improved; the circuit board of the frequency converter of the existing variable frequency motor is axially arranged, a large amount of heat generated by a heating module is transferred to a motor shell contacted with water, but the motor shell is cylindrical, the height of components is limited by the diameter of the shell, the space of the circuit board cannot be fully utilized for arrangement, and the components can only be arranged on an axially-mounted long and narrow circuit board, so that the height of the whole frequency converter is correspondingly increased by the long and narrow circuit board, the length of the whole submersible electric pump is increased, and the transportation, storage and use of the submersible electric pump are influenced; the circuit board changes the axial direction into the radial direction, and the components and parts can be arranged in the space of the horizontal circuit board, so that the height of the controller can be effectively shortened.
As another preferred scheme, the second end of the casing is provided with a heat dissipation end piece, the circuit board is radially arranged in the casing, and the heating module on the circuit board is tightly attached to the heat dissipation end piece. Therefore, the controller can dissipate heat through the side wall of the shell, the water passing end piece and the heat dissipation end piece, and the heat dissipation effect is good.
Furthermore, the outer side face of the water passing end piece is a curved surface which is high in the middle and low in the periphery, a base is further arranged at the second end of the shell, a water passing cavity is formed in the base and matched with the heat dissipation end piece in position, and therefore the heat dissipation end piece can be contacted with water to exchange heat. The heat on the heat dissipation end piece can be taken away by external water flow, so that heat accumulation of the controller is avoided, and the heat dissipation effect of the controller is further enhanced. The curved surface with high middle and low periphery can prevent fine sand and small impurities with the same volume from being retained in the middle of the second end part to influence the heat dissipation of the circuit board, and simultaneously, the surface pressure resistance of the second end part can be improved.
Furthermore, the outer side surface of the water passing end piece is a curved surface with a high middle part and a low periphery, a connecting piece is positioned on the outer side of the water passing end piece and used for connecting a motor shell, and a wiring hole is formed in the water passing end piece so that a wire of a circuit board can conveniently penetrate through the connecting piece. In the arrangement, the connecting piece ensures that a heat dissipation gap is formed between the shell of the controller and the shell of the motor, so that the heat dissipation effect is ensured; meanwhile, the outer shell of the controller can be arranged in an equal-diameter mode with the outer shell of the motor, the motor and the controller can be respectively assembled and then connected through the connecting piece, assembly difficulty is reduced, and assembly efficiency is improved. The curved surface with high middle and low periphery can prevent fine sand and small impurities with the same volume from being retained in the middle of the second end part to influence the heat dissipation of the circuit board, and simultaneously, the surface pressure resistance of the second end part can be improved.
Furthermore, a mesh piece is surrounded on the connecting piece, and the mesh piece is a part matched with the cylindrical shell in shape. The mesh piece can avoid the influence of the effective contact of the water flow end piece and the water flow caused by the blocking of large sundries on heat dissipation.
Further, the connecting piece comprises a hollow column communicated with the wiring hole and a limiting end piece connected with the motor shell, and the hollow column is located between the water passing end piece and the limiting end piece, so that the water passing end piece and the limiting end piece are arranged at intervals. In the arrangement, the lead of the circuit board can pass through the hollow column, and a sealing element is not required to be arranged on the water end part to seal the lead, so that the structure is simplified; the hollow column separates the water passing end piece and the limiting end piece, so that heat of the motor is prevented from being transferred to the controller, and heat superposition is effectively prevented.
Furthermore, the shell is provided with through holes which are circumferentially arranged, and the through holes are matched with the spacing positions between the limiting end piece and the water passing end piece. Water flow can pass through the through hole and contact with the water passing end piece, and the through hole arranged on the shell can prevent large sundries from entering the shell, so that the large sundries are prevented from preventing the water flow from contacting with the water passing end piece to influence heat dissipation.
Furthermore, a glue filling port is formed in the water passing end piece, so that the seal glue is filled into the shell, and the water passing end piece is connected with the shell in a sealing mode. The sealant ensures the sealing performance of the end part of the controller, plays a role in preventing moisture for the circuit board and ensures the working performance of the circuit board.
Furthermore, liquid oil and an air bag are arranged in the shell to ensure balance of internal pressure and external pressure of the shell, and the air bag is close to the second end of the shell to prevent the controller from being damaged due to too large water pressure during underwater operation.
The utility model discloses beneficial effect who has: the controller of this application and motor main part separately set up to dispel the heat respectively, cross the water end cover and enclose the circuit board in the shell, prevent its and water contact, and external rivers can take away the heat on the water end piece, and like this, the circuit board not only dispels the heat through the side of shell, can also dispel the heat through crossing the water end piece, can avoid the heat accumulation to cause the influence to the circuit board, and the radiating effect is good.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a schematic cross-sectional view showing the structure of example 1;
FIG. 3 is a schematic view of the entire structure of embodiment 2;
FIG. 4 is a schematic cross-sectional view showing the structure of example 2;
FIG. 5 is a schematic view showing the structure of the connector according to embodiment 2;
in the figure: 1-a housing; 11-a first end of the housing; 12-a through hole; 2-a circuit board; 21-a heat-generating module; 3-a water passing end piece; 31-a wiring hole; 32-glue pouring port; 4-a connector; 41-mesh piece; 42-hollow column; 43-limiting end piece.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
Example 1
The controller of the submersible motor for the pump of the embodiment, as shown in fig. 1 and fig. 2, comprises a cylindrical housing 1 and a circuit board 2 arranged in the housing 1, wherein a lead of the circuit board 2 extends out from a first end 11 of the housing so as to be connected with a motor body, a water end piece 3 which can be contacted with water flow is positioned at the first end 11 of the housing and is hermetically connected with the housing 1, so that the circuit board 2 can radiate heat through the water end piece 3 and the side surface of the housing 1.
The controller of this application and motor main part separately set up to dispel the heat respectively, cross the water end cover and enclose circuit board 2 in shell 1, prevent its and water contact, and external rivers can take away the heat on the water end piece 3, and like this, circuit board 2 not only dispels the heat through the side of shell 1, can also dispel the heat through crossing water end piece 3, can avoid the heat accumulation to cause the influence to circuit board 2, and the radiating effect is good.
The circuit board 2 is radially arranged in the shell 1, and a heating module 21 on the circuit board 2 is tightly attached to the water end part 3. The heating module 21 is tightly attached to the water passing end part 3, so that heat generated by the heating module 21 can be directly transferred to the water passing end part 3, a heat transfer path is shortened, external water flow can effectively take away heat of the heating module 21 of the controller, and the heat dissipation effect of the heating module is greatly improved; the circuit board 2 of the frequency converter of the existing variable frequency motor is axially arranged, a large amount of heat generated by the heating module 21 is transferred to a motor shell contacted with water, but the motor shell is cylindrical, the height of components is limited by the diameter of the shell, the space of the circuit board 2 cannot be fully utilized for arrangement, and the components can only be arranged on the axially-mounted long and narrow circuit board 2, and the long and narrow circuit board 2 ensures that the height of the whole frequency converter is correspondingly increased, thereby increasing the length of the whole submersible electric pump and influencing the transportation, storage and use of the submersible electric pump; circuit board 2 changes radial setting into by the axial in this application, and components and parts can arrange in the horizontal circuit board 2's of rational utilization space, can effectively shorten the height of controller.
The outer side surface of the water passing end piece 3 is a curved surface with a high middle part and a low periphery, the connecting piece 4 is positioned on the outer side of the water passing end piece 3 and used for connecting a motor shell, and the water passing end piece 3 is provided with a wiring hole 31 so that a wire of the circuit board 2 can conveniently pass through the connecting piece 4. In the arrangement, the connecting piece 4 ensures that a heat dissipation gap is formed between the shell 1 of the controller and the shell of the motor, so that the heat dissipation effect is ensured; meanwhile, the shell 1 of the controller can be arranged in the same diameter with the shell of the motor, and the motor and the controller can be respectively assembled and then connected through the connecting piece 4, so that the assembly difficulty is reduced, and the assembly efficiency is improved. The curved surface with high middle and low periphery can prevent fine sand and small impurities with the same volume from being retained in the middle of the second end part to influence the heat dissipation of the circuit board, and simultaneously, the surface pressure resistance of the second end part can be improved.
The shell 1 is filled with sealant, so that the water passing end piece 3 is hermetically connected with the shell 1, and the water passing end plate is connected with the circuit board 2 into a whole. The sealant ensures the sealing performance of the end part of the controller, plays a role in preventing moisture for the circuit board 2 and ensures the working performance of the circuit board 2.
The connecting piece 4 is surrounded by a mesh piece 41, and the mesh piece 41 is a part matched with the cylindrical shell 1 in shape. The mesh member 41 can prevent large sundries from blocking the water end member 3 from effectively contacting with water flow to affect heat dissipation.
The second end of shell 1 still is equipped with the base, is equipped with the opening that is used for to encapsulating in the shell 1 on the base for circuit board 2 links as an organic whole with crossing water end part 3, prevents circuit board 2 pressurized damage.
Example 2
As shown in fig. 3, 4 and 5, the present embodiment is different from embodiment 1 in that:
the connecting piece 4 comprises a hollow column 42 communicated with the wiring hole 31 and a limiting end piece 43 connected with the motor shell, wherein the hollow column 42 is positioned between the water end piece 3 and the limiting end piece 43, so that the water end piece 3 and the limiting end piece 43 are arranged at intervals. In this arrangement, the lead wires of the circuit board 2 can pass through the hollow column 42, and a sealing member is not required to be arranged on the water end piece 3 to seal the lead wires, so that the structure is simplified; the hollow column 42 separates the water end piece 3 from the limiting end piece 43, so that heat of the motor is prevented from being transferred to the controller, and heat superposition is effectively prevented.
Through holes 12 are circumferentially arranged on the outer shell 1, and the through holes 12 are matched with the spacing positions between the limiting end piece 43 and the water passing end piece 3. The water flow can pass through the through hole 12 to be contacted with the water passing end piece 3, the through hole 12 arranged on the shell 1 can prevent large sundries from entering the shell 1, and the large sundries are prevented from blocking the water flow to be contacted with the water passing end piece 3 to influence heat dissipation.
The water end piece 3 is provided with a glue filling port 32 so as to fill sealant into the shell 1, so that the water end piece 3 is hermetically connected with the shell 1. The sealant ensures the sealing performance of the end part of the controller, plays a role in preventing moisture for the circuit board 2 and ensures the working performance of the circuit board 2.
Example 3
This embodiment is different from embodiment 1 in that:
the second end of the shell 1 is provided with a heat dissipation end piece, the circuit board 2 is radially arranged in the shell 1, and the heating module 21 on the circuit board 2 is tightly attached to the heat dissipation end piece. Therefore, the controller can dissipate heat through the side wall of the shell 1, the water passing end piece 3 and the heat dissipation end piece, and the heat dissipation effect is good.
The second end of shell 1 still is equipped with the base, the base is equipped with the water cavity, cross water cavity and heat dissipation end part position adaptation to heat dissipation end part can contact and the heat transfer with water. The heat on the heat dissipation end piece can be taken away by external water flow, so that heat accumulation of the controller is avoided, and the heat dissipation effect of the controller is further enhanced. The heat dissipation end piece can be integrally formed with the base or formed in a split mode, the outer side face of the heat dissipation end piece is a curved face with the middle high and the periphery low, and the surface pressure resistance of the second end piece can be improved.
Example 4
This embodiment is different from embodiment 1 in that:
the internal liquid oil and the gasbag that are equipped with of shell 1 to guarantee the internal and external pressure balance of shell 1, the gasbag is close to the second end of shell 1 prevents that the controller from bearing too big water pressure and damaging during underwater operation.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides a controller of submersible motor for pump, its characterized in that includes columniform shell (1) and sets up circuit board (2) in shell (1), and the wire of circuit board (2) stretches out from first end (11) of shell, one can be located with water flow contact's water end piece (3) the first end (11) department of shell, and with shell (1) sealing connection to make circuit board (2) can be through the side heat dissipation of water end piece (3) and shell (1).
2. The controller of the submersible motor for the pump according to claim 1, characterized in that the circuit board (2) is radially arranged in the housing (1), and the heating module (21) on the circuit board (2) is tightly attached to the water end piece (3).
3. The controller of the submersible motor for the pump according to claim 1, wherein the second end of the housing (1) is provided with a heat dissipation end piece, the circuit board (2) is radially arranged in the housing (1), and the heat generating module (21) on the circuit board (2) is tightly attached to the heat dissipation end piece.
4. The controller of the submersible motor for the pump according to claim 3, wherein the outer side surface of the water passing end piece (3) is a curved surface with a high middle part and a low periphery, the second end of the housing (1) is further provided with a base, the base is provided with a water passing cavity, and the water passing cavity is matched with the heat dissipation end piece in position so that the heat dissipation end piece can contact with water to exchange heat.
5. The controller of the submersible motor for the pump according to claim 2, wherein the outer side surface of the water passing end piece (3) is a curved surface with a high middle part and a low periphery, a connecting piece (4) is positioned on the outer side of the water passing end piece (3) and used for connecting a motor shell, and a wiring hole (31) is formed in the water passing end piece (3) so that a wire of the circuit board (2) can conveniently pass through the connecting piece (4).
6. A control device for a submersible motor for pumps according to claim 5, characterized in that the connecting piece (4) is surrounded by a mesh (41), the mesh (41) being a part adapted to the shape of the cylindrical housing (1).
7. The controller of the submersible motor for the pump according to claim 5, wherein the connecting member (4) comprises a hollow column (42) communicated with the wiring hole (31) and a limit end piece (43) connected with the motor housing, the hollow column (42) is positioned between the water passing end piece (3) and the limit end piece (43), so that the water passing end piece (3) and the limit end piece (43) are arranged at intervals.
8. The controller of the submersible motor for the pump according to claim 7, wherein the housing (1) is provided with through holes (12) arranged circumferentially, and the through holes (12) are matched with the spacing positions between the limiting end piece (43) and the water passing end piece (3).
9. The controller of the submersible motor for the pump according to claim 8, wherein the water end piece (3) is provided with a glue filling port (32) so as to fill the sealing glue into the housing (1), so that the water end piece (3) is connected with the housing (1) in a sealing manner.
10. The controller of a submersible motor for a pump according to claim 2, characterized in that the housing (1) is provided with liquid oil and an air bag therein to ensure the balance of internal and external pressures of the housing (1), the air bag being near the second end of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221826.4U CN212875541U (en) | 2020-09-30 | 2020-09-30 | Controller of submersible motor for pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221826.4U CN212875541U (en) | 2020-09-30 | 2020-09-30 | Controller of submersible motor for pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212875541U true CN212875541U (en) | 2021-04-02 |
Family
ID=75198738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022221826.4U Active CN212875541U (en) | 2020-09-30 | 2020-09-30 | Controller of submersible motor for pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212875541U (en) |
-
2020
- 2020-09-30 CN CN202022221826.4U patent/CN212875541U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221018 Address after: 317500 Room 401, building 2, Chuangye building, 1333 Wanchang Middle Road, Chengdong street, Taizhou City, Zhejiang Province Patentee after: PRODN INTELLIGENT CONTROL ELECTRONIC TECHNOLOGY (ZHEJIANG) CO.,LTD. Address before: 317500 workshop 10, No.1 Workshop, no.676 Central Avenue, Chengxi street, Wenling City, Taizhou City, Zhejiang Province Patentee before: Taizhou paloton mechanical and Electrical Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240319 Address after: Room 02, Building 02, No. 1128 Nanci 1st Road, Anhui Xinwu Economic Development Zone, Wanzhou District, Wuhu City, Anhui Province, 242500 Patentee after: Poluodun Intelligent Pump Industry (Anhui) Co.,Ltd. Country or region after: China Address before: 317500 Room 401, 2 Chuang Chuang building, 1333 Wanchang Road, Chengdong street, Wenling, Taizhou, Zhejiang, China Patentee before: PRODN INTELLIGENT CONTROL ELECTRONIC TECHNOLOGY (ZHEJIANG) CO.,LTD. Country or region before: China |
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| TR01 | Transfer of patent right |