CN220087505U - Heating system and wind power converter control cabinet - Google Patents
Heating system and wind power converter control cabinet Download PDFInfo
- Publication number
- CN220087505U CN220087505U CN202321388192.9U CN202321388192U CN220087505U CN 220087505 U CN220087505 U CN 220087505U CN 202321388192 U CN202321388192 U CN 202321388192U CN 220087505 U CN220087505 U CN 220087505U
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- fixing
- circuit board
- heating
- plane
- heating system
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 117
- 239000002184 metal Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Central Heating Systems (AREA)
Abstract
The utility model relates to the technical field of circuit board heating, and provides a heating system and a wind power converter control cabinet, wherein the heating system comprises a fixing piece, a heating blanket, a controller and a temperature sensor, and the heating blanket and the temperature sensor are both connected with the controller; the heating blanket is paved on the fixing plane of the fixing piece, and is positioned between the circuit board and the fixing plane of the fixing piece; the temperature sensor is arranged near the circuit board and is used for detecting the temperature value of the circuit board and transmitting the temperature value to the controller; the controller is used for controlling the heating blanket to heat according to the temperature value. The circuit board is heated by the heating blanket paved on the fixing plane of the fixing piece, so that the circuit board is heated in a short distance, and the heating speed of the circuit board is improved.
Description
Technical Field
The disclosure relates to the technical field of circuit board heating, in particular to a heating system and a wind power converter control cabinet.
Background
The wind power converter is a tie between the wind power generator and the power grid, and can convert electric energy generated by the wind power generator into electric energy meeting the electric power transmission requirement and transmit the electric energy to the power grid. The wind power converter in the cold area is difficult to start due to the influence of low temperature, and if the wind power converter needs to be started, the wind power converter control cabinet needs to be heated.
In the related art, in order to heat the wind power converter control cabinet, a fan and a fin heater are generally used to heat the whole control cabinet. However, the principle of the heating mode is that the heated air flows in the control cabinet to raise the environment temperature of the whole control cabinet, and the heating speed is low.
Disclosure of Invention
The utility model aims to provide a heating system and a wind power converter control cabinet, which are used for solving the problems in the related art.
In order to achieve the above object, according to a first aspect of embodiments of the present disclosure, there is provided a heating system for heating a circuit board in a wind power converter control cabinet, the heating system including a fixing member, a heating blanket, a controller, and a temperature sensor, both the heating blanket and the temperature sensor being connected to the controller; wherein,
the heating blanket is paved on the fixing plane of the fixing piece, and is positioned between the circuit board and the fixing plane of the fixing piece;
the temperature sensor is arranged near the circuit board and is used for detecting the temperature value of the circuit board and transmitting the temperature value to the controller;
the controller is used for controlling the heating blanket to heat according to the temperature value.
Optionally, the fixing piece further comprises a first fixing bracket and a second fixing bracket which are respectively arranged at two ends of the fixing plane, and the first fixing bracket and the second fixing bracket are fixedly connected with the fixing plane;
the first fixing support and the second fixing support are used for fixing the circuit board.
Optionally, the first fixing bracket comprises a first connecting piece, a first fixing surface and a second fixing surface, and the second fixing bracket comprises a second connecting piece, a third fixing surface and a fourth fixing surface;
one end of the first connecting piece is fixedly connected with the fixing plane, the first connecting piece extends along the vertical direction of the fixing plane, one end of the second connecting piece is fixedly connected with the fixing plane, and the second connecting piece extends along the vertical direction of the fixing plane;
the first fixing surface and the second fixing surface are arranged at the other end of the first connecting piece at intervals along the vertical direction so as to form a first fixing space for fixing the circuit board between the first fixing surface and the second fixing surface;
the third fixing surface and the fourth fixing surface are arranged at the other end of the second connecting piece at intervals along the vertical direction so as to form a second fixing space for fixing the circuit board between the third fixing surface and the fourth fixing surface;
the opening end of the first fixed space is opposite to the opening end of the second fixed space.
Optionally, the fixing piece is a sheet metal part.
Optionally, the heating blanket comprises a resistance wire and an insulating layer arranged on the outer surface of the resistance wire, and the resistance wire is connected with the controller.
Optionally, the area of the heating blanket is less than or equal to the area of the fixing plane of the fixing member.
Optionally, the area of the heating blanket is greater than or equal to the area of the circuit board.
Optionally, the temperature sensor is disposed on the fixing member.
Optionally, the number of the temperature sensors is a plurality.
According to a second aspect of embodiments of the present disclosure, there is provided a wind power converter control cabinet comprising a circuit board, and any one of the heating systems provided in the first aspect of the present disclosure.
Through the technical scheme, the heating system comprises a fixing piece, a heating blanket, a controller and a temperature sensor, wherein the heating blanket and the temperature sensor are connected with the controller; the heating blanket is paved on the fixing plane of the fixing piece, the heating blanket is positioned between the circuit board and the fixing plane of the fixing piece, the temperature sensor is arranged near the circuit board, and the temperature sensor is used for detecting the temperature value of the circuit board and transmitting the temperature value to the controller; the controller is used for controlling the heating blanket to heat according to the temperature value. The circuit board is heated by the heating blanket paved on the fixing plane of the fixing piece, so that the circuit board is heated in a short distance, and the heating speed of the circuit board is improved.
Additional features and advantages of the present disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate the disclosure and together with the description serve to explain, but do not limit the disclosure. In the drawings:
FIG. 1 is a block diagram illustrating a heating system according to an exemplary embodiment.
Fig. 2 is a schematic structural view of a fastener according to an exemplary embodiment.
Fig. 3 is a schematic diagram illustrating a structure of a heating system according to an exemplary embodiment.
Fig. 4 is a schematic diagram illustrating a structure of another heating system according to an exemplary embodiment.
Description of the reference numerals
11-a fixing piece; 111-a fixed plane; 112-a first fixed bracket; 1121-a first connector; 1122-a first fixing surface; 1123-a second fixation surface; 113-a second fixed bracket; 1131-a second connector; 1132-a third fixation surface; 1133-fourth fixation surface; 12-heating the blanket; 13-a controller; 14-a temperature sensor; 20-circuit board.
Detailed Description
Specific embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the disclosure, are not intended to limit the disclosure.
In the following description, the words "first," "second," and the like are used merely for distinguishing between the descriptions and not for indicating or implying a relative importance or order.
The wind power converter is a tie between the wind power generator and the power grid, and can convert electric energy generated by the wind power generator into electric energy meeting the electric power transmission requirement and transmit the electric energy to the power grid. The wind power converter in the cold area is difficult to start due to the influence of low temperature, and if the wind power converter needs to be started, the wind power converter control cabinet needs to be heated.
In the related art, in order to heat the wind power converter control cabinet, a fan and a fin heater are generally used to heat the whole control cabinet. However, the principle of the heating mode is that the heated air flows in the control cabinet to raise the environment temperature of the whole control cabinet, and the heating speed is low.
In order to solve the above-mentioned problems, the present disclosure provides a heating system including a fixing member 11, a heating blanket 12, a controller 13, a temperature sensor 14, the heating blanket 12 and the temperature sensor 14 being connected to the controller 13; the heating blanket 12 is laid on the fixing plane 111 of the fixing piece 11, and the heating blanket 12 is located between the circuit board 20 and the fixing plane 111 of the fixing piece 11, the temperature sensor 14 is arranged near the circuit board 20, and the temperature sensor 14 is used for detecting the temperature value of the circuit board 20 and transmitting the temperature value to the controller 13; the controller 13 is used for controlling the heating blanket 12 to heat according to the temperature value. The circuit board 20 is heated by the heating blanket 12 laid on the fixing plane 111 of the fixing member 11 in a short distance, and the heating speed of the circuit board 20 is increased.
Referring to fig. 1-4, fig. 1 is a block diagram illustrating a heating system according to an exemplary embodiment. Fig. 2 is a schematic structural view of a fastener according to an exemplary embodiment. Fig. 3 is a schematic diagram illustrating a structure of a heating system according to an exemplary embodiment. Fig. 4 is a schematic diagram illustrating a structure of another heating system according to an exemplary embodiment.
The heating system may be disposed within the wind power converter control cabinet, for example, on a sliding door within the wind power converter control cabinet for heating the circuit board 20 in the wind power converter control cabinet.
The heating system may include a fixture 11, a heating blanket 12, a controller 13, a temperature sensor 14, the heating blanket 12 and the temperature sensor 14 being connected to the controller 13; wherein,
the heating blanket 12 is laid on the fixing plane 111 of the fixing member 11, and the heating blanket 12 is located between the circuit board 20 and the fixing plane 111 of the fixing member 11;
the temperature sensor 14 is disposed near the circuit board 20, and the temperature sensor 14 is used for detecting a temperature value of the circuit board 20 and transmitting the temperature value to the controller 13;
the controller 13 is used for controlling the heating blanket 12 to heat according to the temperature value.
In one embodiment, the fixing planes 111 of the circuit board 20, the heating blanket 12 and the fixing member 11 are sequentially located from top to bottom on the fixing planes 111 of the circuit board 20, the heating blanket 12 and the fixing member 11. The fixing plane 111 of the fixing member 11 is used for spreading the heat blanket, so that the heat blanket 12 is prevented from being rubbed together, and only the local circuit board 20 is heated. The circuit board 20 and the heating blanket 12 keep a certain distance, so that the condition that the heating blanket 12 is excessively high in temperature and the circuit board 20 is damaged is avoided.
The temperature sensor 14 is disposed near the circuit board 20, and it is understood that the temperature sensor 14 is disposed near the circuit board 20, i.e., the temperature sensor 14 may be disposed next to the circuit board 20, or the temperature sensor 14 may be spaced apart from the circuit board 20 by a predetermined distance, at which the temperature sensor 14 is still capable of detecting a temperature change of the circuit board 20. The temperature sensor 14 may be, but is not limited to, an integrated temperature sensor, a resistive temperature sensor, a thermistor sensor, a thermocouple sensor, and the like.
The temperature sensor 14 detects the temperature value of the circuit board 20 and transmits the temperature value to the controller 13, and the controller 13 controls the heating blanket 12 to heat according to the temperature value, which can be understood that a temperature value-heating time correspondence table is pre-stored in the controller 13, and the heating time corresponding to the temperature value is determined according to the temperature value of the circuit board 20 detected by the temperature sensor 14 and the heating time of the heating blanket 12 is controlled to be the heating time. It is further understood that the controller 13 stores a preset temperature value of the circuit board 20, detects the temperature value of the circuit board 20 through the temperature sensor 14 at preset time intervals or in real time, and transmits the temperature value to the controller 13 until the temperature value transmitted to the controller 13 reaches the preset temperature value.
The circuit board 20 is heated by the heating blanket 12 laid on the fixing plane 111 of the fixing member 11 in a short distance, and the heating speed of the circuit board 20 is increased.
In one possible embodiment, the fixing member 11 further includes a first fixing bracket 112 and a second fixing bracket 113 respectively disposed at two ends of the fixing plane 111, and the first fixing bracket 112 and the second fixing bracket 113 are fixedly connected to the fixing plane 111;
the first and second fixing brackets 112 and 113 are used to fix the circuit board 20.
One end of the first fixing bracket 112 is fixedly connected with the fixing plane 111, the other end of the first fixing bracket 112 is used for fixing a first edge of the circuit board 20, one end of the second fixing bracket 113 is fixedly connected with the fixing plane 111, the other end of the second fixing bracket 113 is used for fixing a second edge of the circuit board 20, the first edge and the second edge of the circuit board 20 are opposite, and the position of the circuit board 20 is fixed by fixing the first edge and the second edge of the circuit board 20.
In one possible embodiment, with continued reference to fig. 2-4, the first fixing bracket 112 includes a first connecting member 1121, a first fixing surface 1122, and a second fixing surface 1123, and the second fixing bracket 113 includes a second connecting member 1131, a third fixing surface 1132, and a fourth fixing surface 1133;
one end of the first connecting piece 1121 is fixedly connected with the fixing plane 111, the first connecting piece 1121 extends along the vertical direction of the fixing plane 111, one end of the second connecting piece 1131 is fixedly connected with the fixing plane 111, and the second connecting piece 1131 extends along the vertical direction of the fixing plane 111;
the first fixing surface 1122 and the second fixing surface 1123 are provided at the other end of the first connecting piece 1121 at intervals in the vertical direction to form a first fixing space for fixing the circuit board 20 between the first fixing surface 1122 and the second fixing surface 1123;
the third fixing surface 1132 and the fourth fixing surface 1133 are disposed at the other end of the second connection member 1131 at intervals in the vertical direction to form a second fixing space for fixing the circuit board 20 between the third fixing surface 1132 and the fourth fixing surface 1133;
the open end of the first fixed space is opposite to the open end of the second fixed space.
The open end of the first fixing space and the open end of the second fixing space are used for fixing the circuit board 20. Illustratively, the opening end of the first fixing space is used for accommodating the first edge of the circuit board 20, the opening end of the second fixing space is used for accommodating the second edge of the circuit board 20, and the circuit board 20 is fixed by the first edge and the second edge of the circuit board 20, so that the circuit board 20 is kept at a tiny distance from the fixing plane 111 and the heating blanket 12 laid on the fixing plane 111, so as to ensure the safety of the heating process of the circuit board 20, and the heating blanket 12 can heat the circuit board 20 under the condition that the heating blanket 12 is opened, and the heating speed of the circuit board 20 is improved due to the fact that the distance between the heating blanket 12 and the circuit board 20 is relatively close.
In one possible embodiment, the fixing member 11 is a sheet metal member.
Since the sheet metal member is less affected by heating, the use of the sheet metal member as the fixing member 11 can prevent occurrence of a phenomenon in which the fixing member 11 thermally expands due to heating by the heating blanket 12.
In other embodiments, a through hole may be formed in the fixing plane 111 of the fixing member 11, for dissipating heat from the heating blanket 12.
In one possible embodiment, heater blanket 12 includes a resistance wire connected to controller 13, and an insulating layer disposed on an outer surface of the resistance wire.
The electric blanket comprises a resistance wire and an insulating layer, wherein the resistance wire is wrapped by the insulating layer, the resistance wire generates heat under the condition of electrifying, and the controller 13 is connected with the resistance wire and is used for controlling the electrifying state of the resistance wire. The controller 13 controls the on-off state of the resistance wire by controlling a switch connected in series with the resistance wire, for example. When the switch is closed, the resistance wire is in an energized state, and when the switch is open, the resistance wire is in a non-energized state.
The controller 13 may be a single-chip controller 13.
The heating system may further comprise a power module electrically connected to the controller 13, the temperature sensor 14, and the resistive wires of the heating blanket 12, the power module being configured to provide power to other devices in the heating system.
In one possible embodiment, the area of the heating blanket 12 is less than or equal to the area of the fixing plane 111 of the fixing member 11.
In order to be able to accommodate the lower heating blanket 12, the area of the fixing plane 111 needs to be greater than or equal to the area of the heating blanket 12, that is, the area of the heating blanket 12 needs to be less than or equal to the area of the fixing plane 111 of the fixing member 11.
In one possible embodiment, the area of heater blanket 12 is greater than or equal to the area of circuit board 20.
The number of heating blankets 12 may be one, and in the case where the number of heating blankets 12 is one, the area of the one heating blanket 12 is larger than the area of the entire circuit board 20; the number of the heating blankets 12 may be plural, and each heating blanket 12 of the plural heating blankets 12 has a smaller area, the plural heating blankets 12 are tiled on the fixing plane 111 and are used for heating the circuit board 20 together, and the sum of the areas of the plural heating blankets 12 is greater than or equal to the area of the circuit board 20 so as to ensure that the whole circuit board 20 can be heated.
In one possible embodiment, the temperature sensor 14 is arranged on the mount 11.
For example, the temperature sensor 14 may be disposed near the first fixing surface 1122 or the third fixing surface 1132 of the fixing member 11 to sense the temperature change condition of the circuit board 20.
In one possible embodiment, the number of temperature sensors 14 is a plurality.
In order to improve the accuracy of temperature detection, a plurality of temperature sensors 14 may be provided, and the plurality of temperature sensors 14 may be disposed near the circuit board 20 in a uniform distribution or may be disposed near the circuit board 20 in a non-uniform manner. The controller 13 may determine as the temperature value an average value of the plurality of temperature sensors 14.
The embodiment of the disclosure also provides a wind power converter control cabinet, which comprises the circuit board 20 and the heating system.
The preferred embodiments of the present disclosure have been described in detail above with reference to the accompanying drawings, but the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solutions of the present disclosure within the scope of the technical concept of the present disclosure, and all the simple modifications belong to the protection scope of the present disclosure.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations are not described further in this disclosure in order to avoid unnecessary repetition.
Moreover, any combination between the various embodiments of the present disclosure is possible as long as it does not depart from the spirit of the present disclosure, which should also be construed as the disclosure of the present disclosure.
Claims (10)
1. The heating system is used for heating a circuit board in the wind power converter control cabinet and is characterized by comprising a fixing piece, a heating blanket, a controller and a temperature sensor, wherein the heating blanket and the temperature sensor are connected with the controller; wherein,
the heating blanket is paved on the fixing plane of the fixing piece, and is positioned between the circuit board and the fixing plane of the fixing piece;
the temperature sensor is arranged near the circuit board and is used for detecting the temperature value of the circuit board and transmitting the temperature value to the controller;
the controller is used for controlling the heating blanket to heat according to the temperature value.
2. The heating system of claim 1, wherein the fixing member further comprises a first fixing bracket and a second fixing bracket separately provided at both ends of the fixing plane, and the first fixing bracket and the second fixing bracket are fixedly connected with the fixing plane;
the first fixing support and the second fixing support are used for fixing the circuit board.
3. A heating system according to claim 2, wherein,
the first fixing support comprises a first connecting piece, a first fixing surface and a second fixing surface, and the second fixing support comprises a second connecting piece, a third fixing surface and a fourth fixing surface;
one end of the first connecting piece is fixedly connected with the fixing plane, the first connecting piece extends along the vertical direction of the fixing plane, one end of the second connecting piece is fixedly connected with the fixing plane, and the second connecting piece extends along the vertical direction of the fixing plane;
the first fixing surface and the second fixing surface are arranged at the other end of the first connecting piece at intervals along the vertical direction so as to form a first fixing space for fixing the circuit board between the first fixing surface and the second fixing surface;
the third fixing surface and the fourth fixing surface are arranged at the other end of the second connecting piece at intervals along the vertical direction so as to form a second fixing space for fixing the circuit board between the third fixing surface and the fourth fixing surface;
the opening end of the first fixed space is opposite to the opening end of the second fixed space.
4. A heating system according to any one of claims 1-3, wherein the fixture is a sheet metal part.
5. The heating system of claim 1, wherein the heating blanket comprises a resistance wire and an insulating layer disposed on an outer surface of the resistance wire, the resistance wire being connected to the controller.
6. The heating system of claim 1, wherein an area of the heating blanket is less than or equal to an area of a fixation plane of the fixation member.
7. The heating system of claim 1, wherein an area of the heating blanket is greater than or equal to an area of the circuit board.
8. The heating system of claim 1, wherein the temperature sensor is disposed on the fixture.
9. The heating system of claim 1, wherein the number of temperature sensors is a plurality.
10. A wind power converter control cabinet, characterized in that it comprises a circuit board and a heating system according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321388192.9U CN220087505U (en) | 2023-05-31 | 2023-05-31 | Heating system and wind power converter control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321388192.9U CN220087505U (en) | 2023-05-31 | 2023-05-31 | Heating system and wind power converter control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220087505U true CN220087505U (en) | 2023-11-24 |
Family
ID=88815150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321388192.9U Active CN220087505U (en) | 2023-05-31 | 2023-05-31 | Heating system and wind power converter control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220087505U (en) |
-
2023
- 2023-05-31 CN CN202321388192.9U patent/CN220087505U/en active Active
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