CN205334262U - Temperature control device of transformer - Google Patents
Temperature control device of transformer Download PDFInfo
- Publication number
- CN205334262U CN205334262U CN201620131482.9U CN201620131482U CN205334262U CN 205334262 U CN205334262 U CN 205334262U CN 201620131482 U CN201620131482 U CN 201620131482U CN 205334262 U CN205334262 U CN 205334262U
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- relay
- temperature
- transformer
- fan
- air
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Abstract
The utility model discloses a temperature control device of transformer has solved current transformer easy superheated damage's technical problem, the utility model relates to a temperature control device of transformer, including establishing the temperature controller inside transformer housing and establishing air inlet fan and the air outlet fan on transformer housing, temperature controller is including the temperature sensor who detects low tension side three -phase pile head temperature, singlechip of being connected with temperature sensor and the relay drive circuit who is connected with the singlechip, relay drive circuit includes the relay and connects the triode between singlechip and relay, air inlet fan and air outlet fan's an input is all connected and is served normally opening of relay, another input of air inlet fan and air outlet fan is all connected on zero looks pile head, arbitrary looks pile head in the low tension side three -phase pile head links to each other with the common port of relay.
Description
Technical field
This utility model relates to a kind of temperature control equipment, especially a kind of temperature controller for transformer。
Background technology
Transformator works under the operating mode of high capacity or hot weather and can produce substantial amounts of heat, these heats cannot distribute in time, inside transformer temperature is made sharply to raise, it is easily caused internal wiring short circuit, especially cause that low-pressure side three-phase pile crown burns out, the power circuit thus caused interrupts and device damage, causes a large amount of economic loss。
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of temperature controller for transformer, solves the easy technical problem crossing cause thermal damage of existing transformator。
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that
A kind of temperature controller for transformer, it is arranged on transformator, transformator has housing and sets low-pressure side three-phase pile crown in the housing and zero phase pile crown, temperature controller for transformer includes the temperature controller that is located within transformer shell and the air inlet fan being located on transformer shell and air-out fan, described temperature controller includes the temperature sensor of detection low-pressure side three-phase pile crown temperature, the single-chip microcomputer being connected with temperature sensor and the relay drive circuit being connected with single-chip microcomputer, described relay drive circuit includes relay and the audion being connected between single-chip microcomputer and relay, one input of described air inlet fan and air-out fan is both connected on the normally opened end of relay, another input of described air inlet fan and air-out fan is both connected on zero phase pile crown, any one phase pile crown in described low-pressure side three-phase pile crown is connected with the common port of relay, the temperature signal of described single-chip microcomputer collecting temperature sensor also exports high level or low level to relay drive circuit according to this temperature signal and controls the normally opened end of relay and be turned on or off with common port。
Further, also including the GPRS module that is connected with single-chip microcomputer and the remote platform with GPRS module telecommunication, the temperature signal collected is sent to remote platform by GPRS module and shows by described single-chip microcomputer。
Further, the fan center of rotation of described air inlet fan and air-out fan overlaps and arranges。
Further, the housing exterior walls of described transformator is provided with the outer housing being located at respectively outside air inlet fan and air-out fan, and described outer housing is provided with several air vents。
Further, described air vent is strip, and the upper edge of each air vent oliquely downward extends to form catch。
The beneficial effects of the utility model:
Low-pressure side three-phase pile crown in transformator is detected temperature in real time by temperature sensor, the temperature signal detected is sent to single-chip microcomputer by temperature sensor in real time, single-chip microcomputer automatically controls being turned on or off of air inlet fan and air-out fan and low-pressure side three-phase pile crown according to temperature signal output low and high level to the relay drive circuit collected, thus can automatically start air inlet fan when the temperature of low-pressure side three-phase pile crown reaches certain value and air-out fan is that inside transformer is lowered the temperature, air inlet fan and air-out fan it is automatically switched off when the temperature of low-pressure side three-phase pile crown drops to safety value, reach power saving purpose, achieve the internal temperature of Based Intelligent Control transformator, in actual application, make because high temperature overload causes the number transformer burnt out to reduce more than 70%, retrieve a large amount of economic loss。
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, this utility model is described further:
Fig. 1 is the sectional view of a kind of transformator of the present utility model cooling controller；
Fig. 2 is the side view of a kind of transformator of the present utility model cooling controller；
Fig. 3 is the circuit theory diagrams of a kind of transformator of the present utility model cooling controller。
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated。
As shown in figures 1 and 3, a kind of temperature controller for transformer, it is arranged on transformator 1, transformator has housing 11 and the low-pressure side three-phase pile crown 12 being located in housing 11 and zero phase pile crown 13, low-pressure side three-phase pile crown 12 includes A phase pile crown, B phase pile crown and C phase pile crown, A phase pile crown, voltage between B phase pile crown and C phase pile crown and zero phase pile crown 13 is 220V, temperature controller for transformer includes the temperature controller 2 that is located within transformer shell 11 and the air inlet fan 3 being located on transformer shell 11 and air-out fan 4, the fan installation direction of air inlet fan 3 and air-out fan 4 is contrary, from the outside air draught of housing 11 to the internal blowing of housing 11 when air inlet fan 3 starts, from the internal air draught of housing 11 to the outside blowing of housing 11 when air-out fan 4 starts, to realize housing 11 inner air convection thus accelerating housing 11 internal heat and distributing, the fan center of rotation of air inlet fan 3 and air-out fan 4 overlaps and arranges, such air inlet fan 3 and air-out fan 4 just can realize cross-ventilation on same level direction, make housing 11 inner air convection better effects if, temperature controller 2 includes the temperature sensor 21 of detection low-pressure side three-phase pile crown 12 temperature, the single-chip microcomputer 22 being connected with temperature sensor 21 and the relay drive circuit 23 being connected with single-chip microcomputer 22, the A phase pile crown of low-pressure side three-phase pile crown 12, B phase pile crown all contacts with the temperature-sensing probe of a temperature sensor 21 with C phase pile crown, the temperature analog signal of the low-pressure side three-phase pile crown 12 contacted is transmitted to single-chip microcomputer 22 by each temperature sensor 21, this temperature analog signal is stored in the depositor that single-chip microcomputer 22 carries after being converted to digital signal by single-chip microcomputer 22 by the D/A change-over circuit carried, relay drive circuit 23 includes relay 231 and the audion 232 being connected between single-chip microcomputer 22 and relay 231, protective resistance 233 it is provided with to prevent the I/O port output high level of single-chip microcomputer 22 from burning out audion 232 between I/O port and the audion 232 of single-chip microcomputer 22, one input of air inlet fan 3 and air-out fan 4 is both connected on the normally opened end of relay 231, another input of air inlet fan 3 and air-out fan 4 is both connected on zero phase pile crown 13, any one phase pile crown in low-pressure side three-phase pile crown 12 is connected with the common port of relay 231, the temperature signal of single-chip microcomputer 22 collecting temperature sensor 21 also exports high level according to this temperature signal or low level to relay drive circuit 23 controls the normally opened end of relay 231 and is turned on or off with common port。
The concrete control process of single-chip microcomputer 22 is:
When the temperature signal of single-chip microcomputer 22 collecting temperature sensor 21 is higher than uniform temperature value, when single-chip microcomputer 22 exports high level to relay drive circuit 23, electromagnet coil in relay 231 obtains electric current, electric magnet attracts armature, make normally opened end and the common port conducting of relay 231, now, air inlet fan 3 connects the phase pile crown in zero phase pile crown 13 and low-pressure side three-phase pile crown 12 with the input of air-out fan 4, air inlet fan 3 and air-out fan 4 run simultaneously and carry out cross-ventilation to housing 11 is internal, lower the temperature to housing 11 is internal；
When the temperature signal of single-chip microcomputer 22 collecting temperature sensor 21 is lower than uniform temperature value, when single-chip microcomputer 22 output low level is to relay drive circuit 23, current cut-off effect due to audion 232, the electric current of the electromagnet coil in relay 231 is zero, accordingly, air inlet fan 3 and air-out fan 4 are automatically stopped operation, to reach power saving purpose。
Temperature controller for transformer also includes the GPRS module 24 that is connected with single-chip microcomputer 22 and the remote platform 25 with GPRS module 24 telecommunication, the temperature signal collected is sent to remote platform 25 by GPRS module 24 and shows by single-chip microcomputer 22, the long-range monitoring of transformator 1 internal temperature is achieved by GPRS module 24 and remote platform 25, electric power personnel are enable to find the situation of transformator 1 temperature anomaly in time, so that dispatch personnel on-call maintenance, reduce transformator 1 and burn out the economic loss brought。
As shown in Figure 2, housing 11 outer wall of transformator 1 is provided with the outer housing 5 being located at respectively outside air inlet fan 3 and air-out fan 4, outer housing 5 is provided with several air vents 51, it is internal that outer housing 5 prevents foreign body from entering transformator 1, cause transformator 1 short trouble, air vent 51 is strip, the upper edge of each air vent 51 oliquely downward extends to form catch 52, the direction that catch 52 is obliquely downward is arranged, it can prevent sleet from passing through air vent 51 to a certain extent and enter transformator 1 inside, cause transformator 1 short trouble, improve the safety in utilization of transformator 1。
As shown in Figures 1 to 3, the control method of a kind of temperature controller for transformer, including:
The address information of transformator 1 is arranged in single-chip microcomputer 22 and stores, in order to simplify configuration information, the address information of this transformator 1 preferably employs the numbering of transformator 1, each transformator 1 has independent numbering, the address, actual section of the corresponding related transformer 1 of each numbering, on the address book of the power department that the address, actual section of transformator 1 is recorded, the temperature signal of single-chip microcomputer 22 Real-time Collection the temperature sensor 21 and temperature signal of collection and the address information of transformator 1 being sent to remote platform 25 by GPRS module 24 timing is shown, power equipment maintaining personnel obtain the numbering of transformator 1, transformator 1 address book again, just can know the physical location to transformator 1 place that should number, maintenance is gone before in time；
Under usual condition, low-pressure side three-phase pile crown 12 temperature reaches more than 60 DEG C for superheat state, and reach more than 70 DEG C for abnormality, therefore, single-chip microcomputer 22 is configured with 60 DEG C and 70 DEG C for temperature controlling value node, when the temperature signal value of single-chip microcomputer 22 collecting temperature sensor 21 is higher than 60 DEG C, single-chip microcomputer 22 sends high level to relay drive circuit 23, control normally opened end and the common port conducting of relay 231, air inlet fan 3 and air-out fan 4 run simultaneously and carry out cross-ventilation to housing 11 is internal, lower the temperature to housing 11 is internal；
GPRS module 24 configures the phone number of power equipment maintaining personnel, when the temperature signal value of single-chip microcomputer 22 collecting temperature sensor 21 is higher than 70 DEG C, the temperature signal of collection and the address information of transformator 1 are sent to remote platform 25 and immediately with the hands machine of short message mode transmission to power equipment maintaining personnel by GPRS module 24 by single-chip microcomputer 22 immediately, the staff of remote platform 25 and power equipment maintaining personnel receive temperature information and the address information of transformator 1 simultaneously, it is easy to the staff of Cheng Pingtai 25 and power equipment maintaining personnel exchange information in time and maintenance activity of operating a switch of having worked in coordination, and power equipment maintaining personnel can go to the address place of SMS notification that corresponding transformator 1 is overhauled immediately after receiving note, the economic loss caused is burnt out at utmost descending minimizing transformator 1。
Above this utility model preferred embodiment is described, but is not to be construed as limitations on claims。This utility model is not only limited to above example, its concrete structure allows to change, those skilled in the art can be variously modified according to this utility model and deform, and without departing from spirit of the present utility model, belong to the scope that this utility model claims are defined。
Claims (5)
1. a temperature controller for transformer, it is arranged on transformator, transformator has housing and sets low-pressure side three-phase pile crown in the housing and zero phase pile crown, it is characterized in that, temperature controller for transformer includes the temperature controller that is located within transformer shell and the air inlet fan being located on transformer shell and air-out fan, described temperature controller includes the temperature sensor of detection low-pressure side three-phase pile crown temperature, the single-chip microcomputer being connected with temperature sensor and the relay drive circuit being connected with single-chip microcomputer, described relay drive circuit includes relay and the audion being connected between single-chip microcomputer and relay, one input of described air inlet fan and air-out fan is both connected on the normally opened end of relay, another input of described air inlet fan and air-out fan is both connected on zero phase pile crown, any one phase pile crown in described low-pressure side three-phase pile crown is connected with the common port of relay, the temperature signal of described single-chip microcomputer collecting temperature sensor also exports high level or low level to relay drive circuit according to this temperature signal and controls the normally opened end of relay and be turned on or off with common port。
2. a kind of temperature controller for transformer according to claim 1, it is characterized in that, also including the GPRS module that is connected with single-chip microcomputer and the remote platform with GPRS module telecommunication, the temperature signal collected is sent to remote platform by GPRS module and shows by described single-chip microcomputer。
3. a kind of temperature controller for transformer according to claim 1, it is characterised in that the fan center of rotation of described air inlet fan and air-out fan overlaps and arranges。
4. a kind of temperature controller for transformer according to claims 1 to 3 any one, it is characterised in that the housing exterior walls of described transformator is provided with the outer housing being located at respectively outside air inlet fan and air-out fan, and described outer housing is provided with several air vents。
5. a kind of temperature controller for transformer according to claim 4, it is characterised in that described air vent is strip, and the upper edge of each air vent oliquely downward extends to form catch。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620131482.9U CN205334262U (en) | 2016-02-20 | 2016-02-20 | Temperature control device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620131482.9U CN205334262U (en) | 2016-02-20 | 2016-02-20 | Temperature control device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205334262U true CN205334262U (en) | 2016-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620131482.9U Expired - Fee Related CN205334262U (en) | 2016-02-20 | 2016-02-20 | Temperature control device of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205334262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105630032A (en) * | 2016-02-20 | 2016-06-01 | 国网浙江嘉善县供电公司 | Transformer temperature control device and method |
-
2016
- 2016-02-20 CN CN201620131482.9U patent/CN205334262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105630032A (en) * | 2016-02-20 | 2016-06-01 | 国网浙江嘉善县供电公司 | Transformer temperature control device and method |
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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 |
Granted publication date: 20160622 |
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| CF01 | Termination of patent right due to non-payment of annual fee |