CN204834263U - Intelligence control by temperature change dry -type transformer - Google Patents
Intelligence control by temperature change dry -type transformer Download PDFInfo
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- CN204834263U CN204834263U CN201520617193.5U CN201520617193U CN204834263U CN 204834263 U CN204834263 U CN 204834263U CN 201520617193 U CN201520617193 U CN 201520617193U CN 204834263 U CN204834263 U CN 204834263U
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- temperature
- type transformer
- pid controller
- epoxy resin
- coil
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Abstract
The utility model provides an intelligence control by temperature change dry -type transformer, belongs to the dry -type transformer technical field that adjusts the temperature. The utility model discloses an iron core, low voltage coil and high -pressure coil are equipped with the epoxy resin insulating layer that the pouring formed between and the low voltage coil, all shore through the resin cushion piece respectively at low voltage coil, high -pressure coil and epoxy resin insulating layer's bottom and top, and the bottom of resin cushion piece is through connecting the high -pressure coil 0 base, many high -pressure coil 1 of installation on the base, still include the PID controller, soft starter, economize on electricity control system, a frequency converter, a motor, a crankshaft position sensor, a switching power supply and a digital frequency meter, temperature -sensing ware and temperature transmitter, the temperature -sensing ware sets up on epoxy resin insulating layer, the temperature -sensing ware passes through temperature transmitter and conveys the controller to PID with the temperature, the PID controller is connected with the converter, the rotational speed of converter control cooling fan, cooling blower opens and closes through soft starter, soft starter, the PID controller, temperature transmitter and converter are through economize on electricity control system control work.
Description
Technical field
The utility model belongs to dry-type transformer temperature adjustment technical field, especially relevant with a kind of intelligent temperature control dry-type transformer.
Background technology
The kind of transformer is a lot, has oil-filled transformer, dry-type transformer etc.Cast Resin Dry-Type Transformer, has the advantage of its uniqueness, and rise since the middle and later periods in last century, dry-type transformer is worldwide developed rapidly.At present, along with the energy-conservation needs of power transformer, electricity consumption department constantly requires low-loss, high performance transformer, and resin-insulated dry power transformer is widely used in city and skyscraper, stricter to energy-conservation and reliable requirement.Patent publication No. is that CN201204118 discloses a kind of resin-insulated dry power transformer, comprise the three-phase three-limb iron core column, the from the inside to the outside low-voltage coil of coaxial package in iron core column and the high-tension coil successively that are set up in parallel, low-voltage coil adopts DMD insulated with material and protection, between iron core column and low-voltage coil, support rubber bar is set; Low-voltage coil is made up of interior low-voltage coil and outer low-voltage coil, interior low-voltage coil and outer low-voltage coil are for being connected in series, be provided with some dividers between interior low-voltage coil and outer low-voltage coil, at interior low-voltage coil, between outer low-voltage coil and divider, form the first heat dissipation wind channel; On described high-tension coil, vacuum pouring contains the insulation resin protective layer of silica flour, and the two ends outside between low-voltage coil and high-tension coil, are provided with spacer pad, forms the second heat dissipation wind channel between outer low-voltage coil and high-tension coil inner wall protection layer.Heat dissipation wind channel controls heat radiation by air-cooler, but air-cooler is being in the process rotating heat radiation always, and air-cooler is in same rotating speed all the time, cannot regulate air-cooler, and for but defect, applicant develops a kind of intelligent temperature control dry-type transformer.
Utility model content
For above-mentioned defect, the purpose of this utility model aims to provide a kind of intelligent temperature control dry-type transformer.
For this reason, the utility model is by the following technical solutions: a kind of intelligent temperature control dry-type transformer, comprise iron core and the low-voltage coil of coaxial package on iron core and high-tension coil successively from the inside to the outside, it is characterized in that, the epoxy resin insulating layers of cast is provided with between high-tension coil and low-voltage coil, described low-voltage coil, the bottom of high-tension coil and epoxy resin insulating layers and top are all shored by resin cushion block respectively, the bottom of resin cushion block connects pedestal by connecting frame, described pedestal is installed multiple stage cooling blower, described intelligent temperature control dry-type transformer also comprises PID controller, soft initiator, electricity-saving control system, frequency converter, temperature inductor and temperature transmitter, described temperature inductor is arranged on described epoxy resin insulating layers, temperature is sent to described PID controller by described temperature transmitter by temperature inductor, PID controller is connected with described frequency converter, the rotating speed of the cooling blower described in Frequency Converter Control, described cooling blower is opened and closed by described soft initiator, described soft initiator, PID controller, temperature transmitter and frequency converter are by described electricity-saving control system control work.
As to technique scheme supplement and perfect, the utility model also comprises following technical characteristic.
Described epoxy resin insulating layers is provided with the heat dissipation wind channel that many axis vertically arrange, and described temperature inductor is arranged in heat dissipation wind channel.
The inner and outer wall of described high-tension coil arranges fiberglass gridding plate respectively
Described intelligent temperature control dry-type transformer also comprises warning device, and warning device is connected with described PID controller.
Described iron core is formed by stacking by multi-disc amorphous alloy sheet.
Described cooling blower is crossing current top-blown cooling blower.
Use the utility model can reach following beneficial effect: the utility model adopts temperature inductor and temperature transmitter to give PID controller by temperature signal, make comparisons with PID controller set point SV, and carry out computing according to the size of difference by set PID control model, produce control signal and send frequency converter, come machine operation frequency and the rotating speed of controlled cooling model blower fan by converter plant.By the combination of frequency converter, temperature sensor and PID controller, form air feed closed loop automatic control system, automatically regulate the rotating speed of cooling blower.Make the utilance of every platform cooling blower impartial, increase stability and the reliability of transformer, also facilitate technician to control and service equipment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Embodiment: as shown in Figure 1, the utility model comprises iron core 1 and the low-voltage coil 2 of coaxial package on iron core 1 and high-tension coil 4 successively from the inside to the outside, the epoxy resin insulating layers 3 poured into a mould is provided with between high-tension coil 4 and low-voltage coil 2, bottom and the top of described low-voltage coil 2, high-tension coil 4 and epoxy resin insulating layers 3 are all shored by resin cushion block respectively, the bottom of resin cushion block connects pedestal by connecting frame, pedestal is installed multiple stage cooling blower 10.
The utility model also comprises PID controller 6, soft initiator 11, electricity-saving control system 12, frequency converter 5, temperature inductor 9 and temperature transmitter 8, temperature inductor 9 is arranged on epoxy resin insulating layers 3, temperature is sent to PID controller 6 by temperature transmitter 8 by temperature inductor 9, PID controller 6 is connected with frequency converter 5, the rotating speed of frequency converter 5 controlled cooling model blower fan 10, cooling blower 10 is opened and closed by soft initiator 11, and soft initiator 11, PID controller 6, temperature transmitter 8 and frequency converter 5 control work by electricity-saving control system 12.
Further, epoxy resin insulating layers 3 is provided with the heat dissipation wind channel that many axis vertically arrange, and temperature inductor 9 is arranged in heat dissipation wind channel.
Further, the inner and outer wall of high-tension coil 4 arranges fiberglass gridding plate respectively.
Further, the utility model also comprises warning device 7, and warning device 7 is connected with PID controller 6.
Preferably, iron core 1 is formed by stacking by multi-disc amorphous alloy sheet.
Preferably, cooling blower 10 is crossing current top-blown cooling blower.
The utility model adopts temperature inductor and temperature transmitter to give PID controller by temperature signal, make comparisons with PID controller set point S, and carry out computing according to the size of difference by set PID control model, produce control signal and send frequency converter, come machine operation frequency and the rotating speed of controlled cooling model blower fan by converter plant.By the combination of frequency converter, temperature sensor and PID controller, form air feed closed loop automatic control system, automatically regulate the rotating speed of cooling blower.Make the utilance of every platform cooling blower impartial, increase stability and the reliability of transformer, also facilitate technician to control and service equipment.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. an intelligent temperature control dry-type transformer, comprise iron core (1) and the low-voltage coil (2) of coaxial package on iron core (1) and high-tension coil (4) successively from the inside to the outside, it is characterized in that: between high-tension coil (4) and low-voltage coil (2), be provided with the epoxy resin insulating layers (3) poured into a mould, described low-voltage coil (2), bottom and the top of high-tension coil (4) and epoxy resin insulating layers (3) are all shored by resin cushion block respectively, the bottom of resin cushion block connects pedestal by connecting frame, described pedestal is installed multiple stage cooling blower (10), described intelligent temperature control dry-type transformer also comprises PID controller (6), soft initiator (11), electricity-saving control system (12), frequency converter (5), temperature inductor (9) and temperature transmitter (8), described temperature inductor (9) is arranged on described epoxy resin insulating layers (3), temperature is sent to described PID controller (6) by described temperature transmitter (8) by temperature inductor (9), PID controller (6) is connected with described frequency converter (5), the rotating speed of the cooling blower (10) described in frequency converter (5) controls, described cooling blower (10) is opened and closed by described soft initiator (11), described soft initiator (11), PID controller (6), temperature transmitter (8) and frequency converter (5) control work by described electricity-saving control system (12).
2. a kind of intelligent temperature control dry-type transformer according to claim 1, it is characterized in that: described epoxy resin insulating layers (3) is provided with the heat dissipation wind channel that many axis vertically arrange, described temperature inductor (9) is arranged in heat dissipation wind channel.
3. a kind of intelligent temperature control dry-type transformer according to claim 2, is characterized in that: the inner and outer wall of described high-tension coil (4) arranges fiberglass gridding plate respectively.
4. a kind of intelligent temperature control dry-type transformer according to claim 3, it is characterized in that: described intelligent temperature control dry-type transformer also comprises warning device (7), warning device (7) is connected with described PID controller (6).
5. a kind of intelligent temperature control dry-type transformer according to claim 4, is characterized in that: described iron core (1) is formed by stacking by multi-disc amorphous alloy sheet.
6. a kind of intelligent temperature control dry-type transformer according to claim 5, is characterized in that: described cooling blower (10) is crossing current top-blown cooling blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520617193.5U CN204834263U (en) | 2015-08-16 | 2015-08-16 | Intelligence control by temperature change dry -type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520617193.5U CN204834263U (en) | 2015-08-16 | 2015-08-16 | Intelligence control by temperature change dry -type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204834263U true CN204834263U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520617193.5U Expired - Fee Related CN204834263U (en) | 2015-08-16 | 2015-08-16 | Intelligence control by temperature change dry -type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204834263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689284A (en) * | 2017-10-30 | 2018-02-13 | 江西省电力设计院 | Power matching network potential device and transformer Cooling method |
| CN112420336A (en) * | 2020-11-05 | 2021-02-26 | 四川盛鑫源电器设备制造有限公司 | Temperature control device of resin insulation dry type transformer |
-
2015
- 2015-08-16 CN CN201520617193.5U patent/CN204834263U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689284A (en) * | 2017-10-30 | 2018-02-13 | 江西省电力设计院 | Power matching network potential device and transformer Cooling method |
| CN112420336A (en) * | 2020-11-05 | 2021-02-26 | 四川盛鑫源电器设备制造有限公司 | Temperature control device of resin insulation dry type transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20190816 |