CN215498681U - Heating device for be used for generator maintenance - Google Patents
Heating device for be used for generator maintenance Download PDFInfo
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- CN215498681U CN215498681U CN202121905197.5U CN202121905197U CN215498681U CN 215498681 U CN215498681 U CN 215498681U CN 202121905197 U CN202121905197 U CN 202121905197U CN 215498681 U CN215498681 U CN 215498681U
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Abstract
The utility model relates to the technical field of generator maintenance, and discloses a heating device for generator maintenance, which comprises a support, wherein a mounting hole is formed in the support, a heat insulation pad is attached to the inner wall of the mounting hole, a heat production layer is attached to one side, away from the support, of the heat insulation pad, and a heat insulation layer is attached to one side, away from the heat insulation pad, of the heat production layer, when the heating device is actually used, the support is sleeved on a rotor, namely the heat insulation layer, the heat production layer and the heat insulation pad are sequentially sleeved on the rotor, so that the contact area between the heat production layer and the rotor is increased, the heat production layer uniformly transfers heat to a heating surface, the maintenance surface is uniformly heated, the temperature rise of the maintenance surface of the rotor can be accelerated, in addition, the heat radiation diffusion influence on the heating efficiency can be prevented through the heat insulation pad, the heat dissipation can be prevented through the heat insulation layer, and the heat energy generated by the heat production layer can be transferred to the rotor as far as possible through a heat insulation cover plate, the utilization efficiency of the heat energy generated by the heat generating layer is improved.
Description
Technical Field
The utility model relates to the technical field of generator maintenance, in particular to a heating device for generator maintenance.
Background
When the rotor of the generator is to be repaired, the rotor needs to be heated. At present, the rotor of the generator is heated mainly in the following two ways:
the first method is as follows: the electric blanket is heated by adopting resistance, namely, the heating effect generated when current flows through the resistance is utilized to heat. The utilization rate of heat generated by the resistor in the mode is less than 50%, the utilization rate is low, the heating time is long, the heating effect is poor, and the defects that the heating is uneven, the heating temperature is not easy to control, the danger coefficient is high and the like exist.
The second method comprises the following steps: heating is performed by infrared radiation, and an object is heated by irradiating the object with infrared light. The heating efficiency of this method is related to the material properties of the heated object, and the applicability is not strong.
SUMMERY OF THE UTILITY MODEL
In view of the defects of the background art, the utility model provides a heating device for generator maintenance, and aims to solve the technical problems that when a rotor of a generator is heated for maintenance, the existing heating mode has low heating efficiency and poor applicability.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a heating device for be used for generator maintenance, includes support piece, support piece's inside is equipped with the mounting hole, the inner wall subsides of mounting hole are equipped with the heat insulating mattress, the heat insulating mattress deviates from support piece's one side subsides are equipped with the heat production layer, the heat production layer deviates from the one side subsides of heat insulating mattress are equipped with thermal-insulated insulating layer.
In a certain embodiment, the heat-generating layer comprises a heating layer, a heat transfer layer and an insulating layer which are sequentially arranged along the direction deviating from the heat insulation pad, the heat-insulating layer is arranged on the heat transfer layer and is adjacent to the insulating layer, and the thickness of the heat-insulating layer is greater than that of the heat transfer layer.
In a certain embodiment, the present invention further includes a temperature sensor, a temperature control unit, and a heating power supply, wherein the heating power supply supplies power to the heating layer through the temperature control unit, the temperature sensor is configured to detect a temperature of the heating layer and input a temperature detection signal to the temperature control unit, and the temperature detection unit controls a heating temperature of the heating layer according to the temperature detection signal.
In one embodiment, the present invention further comprises a timing device and a protection device, wherein the timing device is configured to set the heating time of the heating layer, the protection device comprises a short-circuit protection switch and an overheating protection module, and the short-circuit protection switch and the overheating protection module are both arranged on a connection line between the temperature control unit and the heating power supply.
In a certain embodiment, the temperature control unit comprises a controller and a control switch, the controller is electrically connected with the wireless communication unit, the temperature sensor inputs a temperature detection signal to the controller, the controller inputs a control signal for controlling the on-off of the temperature detection signal to the control switch, and the heating power supply supplies power to the heating layer through the control switch.
In one embodiment, the insulating layer is a teflon film.
In one embodiment, the heating layer is made of graphene or a metal material.
In one embodiment, the material of the thermal insulation layer is silicon dioxide or a silicon gel material.
In one embodiment, the mounting hole extends through the support member, and an insulating cover plate is provided at one end of the support member.
In certain embodiments, the support is in the shape of a cuboid, a cylinder, or a frustum of a pyramid.
Compared with the prior art, the utility model has the beneficial effects that: when the heat insulation layer is used in practice, the supporting piece is sleeved on the rotor, namely the heat insulation layer, the heat generation layer and the heat insulation pad are sequentially sleeved on the rotor, so that the dissipation of heat on a non-maintenance surface is reduced. There is not the insulating layer and has the clearance between heat production layer and the maintenance face, and heat production layer is even with heat transfer to the heating surface, guarantees that the maintenance face is heated evenly to accelerate the rotor maintenance face and heat up, can prevent through the heat insulating mattress in addition that thermal radiation diffusion from influencing heating efficiency, can prevent through thermal-insulated insulating layer that the heat scatters and disappears moreover, ensure that the heat energy that the heat production layer produced passes to the rotor as far as possible on, improve the utilization efficiency of the heat energy that the heat production layer produced.
Drawings
FIG. 1 is a schematic cross-sectional view of a support, an insulation mat, a heat-generating layer, and an insulation layer in an embodiment;
FIG. 2 is a schematic view of the rotor heated by the present invention in an example;
FIG. 3 is a schematic view showing temperature control of a heating layer in the embodiment;
fig. 4 is a schematic structural view of a support, an insulation mat, a heat generating layer, and an insulation layer in an embodiment.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a heating device for generator maintenance, including support piece 1, support piece 1's inside is equipped with the mounting hole, the inner wall subsides of mounting hole are equipped with heat insulating mattress 2, heat insulating mattress 2 deviates from support piece 1 one side subsides and is equipped with heat production layer 3, heat production layer 3 includes along the zone of heating 30 that deviates from heat insulating mattress 2 direction and set gradually, heat transfer layer 31 and insulating layer 32, be equipped with thermal insulation layer 4 on the one side that heat transfer layer 31 deviates from zone of heating 30, thermal insulation layer 4's thickness is greater than the thickness of insulating layer 32.
As shown in fig. 2, in actual use, the support member 1 is sleeved on the silicon steel sheet 6 of the rotor 5 of the generator, the heat insulation pad 2, the heat generating layer 3 and the heat insulation layer 4 can be arranged at corresponding positions on the inner wall of the mounting hole according to the heating area 16 of the actual silicon steel sheet, when the support member 1 is sleeved on the silicon steel sheet 6, the heat generating layer 3 and the insulation layer 34 can cover the heating area 16 (maintenance surface of the rotor), and meanwhile, the heat generated by the heating layer 30 can be prevented from being dissipated from the non-maintenance surface of the rotor by covering the non-maintenance surface of the rotor through the heat insulation layer 4. When heating, support piece 1 will produce the heat layer 3 and wholly fix on the rotor, guarantee can not appear producing heat layer 3 displacement and influence the heating effect in the heating process, and the heat that heating layer 30 produced is through heat transfer layer 31 even with heat transfer to insulating layer 32, is being heated for the rotor by insulating layer 32. In fig. 2, the supporting member 1 is fastened on the silicon steel sheet 6 through the clamp 7, and in addition, in order to prevent the heat energy generated by the heat generating layer 3 from being dissipated from the right end of the supporting member 1, the right end of the supporting member 1 is provided with the cover plate 8, the right end of the supporting member 1 is covered by the cover plate 8, so that the heating efficiency can be accelerated, and the utilization rate of the heat energy generated by the heat generating layer 3 is improved.
When in actual use, the heat insulation layer 4, the heat generation layer 3 and the heat insulation pad 2 are bonded together through high-temperature-resistant sealant or the sealant meeting the requirements, and the heat insulation layer 4, the heat generation layer 3 and the heat insulation pad 2 can also be sewn together through high-temperature cloth.
The present invention can also be used for heating of a stator coil, and is mounted on the stator by the support member 1, that is, the heat insulating mat 2, the heat generating layer 3 and the heat insulating layer 4 are arranged on the inner surface of the stator when the stator coil is repaired. In practical use, a layer of heat insulation layer needs to be added on the outer side of the stator to ensure the heating effect and protect operating personnel.
In actual use, the heat insulating pad 2 can prevent the heat energy generated by the heat generating layer 3 from being dissipated to the outside, and prevent the heat radiation from being diffused to affect the heating efficiency.
In practical use, the insulating layer 32 is made of teflon film, which is a non-stick and insulating material, so that the heating layer 30 can be replaced conveniently. In certain embodiment, the insulating layer 32 may be made of other insulating materials meeting the design requirements, and may be replaced according to the actual needs.
In one embodiment, the material of the heating layer 3 is graphene or a metal material. Through inserting the power to zone of heating 3, zone of heating 3 can the heat production heat.
In this embodiment, in order to better control the heating temperature of the rotor 5, the present invention further includes a temperature sensor 9, a temperature control unit 10, and a heating power supply 13, where the heating power supply 13 supplies power to the heating layer 30 through the temperature control unit 10, the heating layer 30 generates heat after being powered on, the temperature sensor 9 is configured to detect the temperature of the heating layer 30 and input a temperature detection signal to the temperature control unit 10, and the temperature detection unit 10 controls the heating temperature of the heating layer 30 according to the temperature detection signal.
In practical use, the temperature control unit 10 may adopt an existing temperature controller, and the temperature controller adjusts the on-off time of the heating layer 30 and the heating power supply 13 through feedback control according to the received temperature detection signal, so as to change the heating time of the heating layer 30 and ensure that the temperature at the rotor is at the target temperature.
In practical use, the temperature control unit 10 also includes a controller and a control switch, the controller may be a single chip microcomputer, and the single chip microcomputer receives the temperature detection signal sent by the temperature sensor 9. The heating power supply 13 supplies power to the heating layer 30 through the control switch, and the singlechip controls the on-off of the control switch. When temperature control is carried out, the singlechip adjusts and controls the on-off time of the switch through PID according to the difference value of the temperature detection signal and the set heating temperature, so that the temperature of the rotor is consistent with the set heating temperature. In addition, the singlechip can be connected with a wireless communication unit, the singlechip can remotely receive a heating instruction sent by the peripheral terminal in a mobile phone or computer access mode, and the heating instruction can be a heating starting instruction, a heating stopping instruction or a heating temperature instruction.
In this embodiment, the present invention further includes a timing device configured to set the heating time of the heating layer 30.
In this embodiment, the present invention further includes a protection device, where the protection device includes a short-circuit protection switch 11 and an overheat protection module 12, and both the short-circuit protection switch 11 and the overheat protection module 12 are disposed on a connection line between the temperature control unit 10 and the heating power supply 13. The short-circuit protection switch 11 disconnects the heating layer 30 from the heating power source 13 when a current abnormality occurs in a connection line of the heating power source 13 and the heating layer 30, and the overheat protection module 12 disconnects the heating layer 30 from the heating power source 13 when a temperature abnormality occurs in the connection line of the heating power source 13 and the heating layer 30.
In this embodiment, the material of the thermal insulation layer 4 is silicon dioxide or a silica gel material.
In the present embodiment, the support 1 is in a rectangular parallelepiped shape, a cylindrical shape, or a truncated pyramid shape.
In light of the above, it is clear that many changes and modifications can be made by the workers in the field without departing from the spirit and scope of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a heating device for be used for generator maintenance, a serial communication port, includes support piece, support piece's inside is equipped with the mounting hole, the inner wall subsides of mounting hole are equipped with the heat insulating mattress, the heat insulating mattress deviates from support piece's one side subsides are equipped with the heat production layer, the heat production layer deviates from the one side subsides of heat insulating mattress are equipped with thermal insulation layer.
2. The heating device for generator maintenance of claim 1, wherein the heat generating layer comprises a heating layer, a heat transfer layer and an insulating layer arranged in sequence in a direction away from the heat insulating mat, the heat insulating layer being arranged on the heat transfer layer and adjacent to the insulating layer.
3. The heating device for generator maintenance according to claim 2, further comprising a temperature sensor, a temperature control unit, and a heating power supply, wherein the heating power supply supplies power to the heating layer through the temperature control unit, the temperature sensor is configured to detect a temperature of the heating layer and input a temperature detection signal to the temperature control unit, and the temperature detection unit controls a heating temperature of the heating layer according to the temperature detection signal.
4. The heating device for generator maintenance according to claim 3, further comprising a timing device and a protection device, wherein the timing device is configured to set the heating time of the heating layer, the protection device comprises a short-circuit protection switch and an overheating protection module, and the short-circuit protection switch and the overheating protection module are both arranged on a connection line between the temperature control unit and a heating power supply.
5. The heating device for generator maintenance according to claim 3, wherein the temperature control unit comprises a controller and a control switch, the controller is electrically connected with the wireless communication unit, the temperature sensor inputs a temperature detection signal to the controller, the controller inputs a control signal for controlling the on/off of the temperature detection signal to the control switch, and the heating power supply supplies power to the heating layer through the control switch.
6. A heating device for generator service according to claim 2, wherein the insulating layer is a teflon membrane.
7. The heating device for generator maintenance according to claim 2, wherein the material of the heating layer is graphene or a metal material.
8. The heating device for generator maintenance as claimed in claim 1, wherein the material of the thermal insulation layer is silica or silica gel material.
9. The heating device for generator maintenance as claimed in claim 1, wherein the mounting hole extends through the support member, and the support member is provided with an insulating cover plate at one end.
10. A heating device for generator service according to claim 1, wherein the support is cuboid, cylindrical or prismoid in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121905197.5U CN215498681U (en) | 2021-08-13 | 2021-08-13 | Heating device for be used for generator maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121905197.5U CN215498681U (en) | 2021-08-13 | 2021-08-13 | Heating device for be used for generator maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215498681U true CN215498681U (en) | 2022-01-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121905197.5U Active CN215498681U (en) | 2021-08-13 | 2021-08-13 | Heating device for be used for generator maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215498681U (en) |
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2021
- 2021-08-13 CN CN202121905197.5U patent/CN215498681U/en active Active
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