CN102298399A - Controller of dry type transformer and realization method thereof - Google Patents
Controller of dry type transformer and realization method thereof Download PDFInfo
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- CN102298399A CN102298399A CN2011102488603A CN201110248860A CN102298399A CN 102298399 A CN102298399 A CN 102298399A CN 2011102488603 A CN2011102488603 A CN 2011102488603A CN 201110248860 A CN201110248860 A CN 201110248860A CN 102298399 A CN102298399 A CN 102298399A
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Abstract
The invention relates to a controller of a dry type transformer and a realization method thereof. The controller comprises a temperature collection unit and a slot. And the controller is characterized in that: the temperature collection unit is connected with a CPU independent module by the slot, wherein the CPU independent module is capable of being plugged at the slot; and an output terminal of the CPU independent module is also connected with an output control circuit and an RS485/232 communication circuit through the slot. According to the invention, the circuit structure is simple and the controller has good expansibility; there is a terminal that can be defined by a user himself/herself at an output portion; and the circuit design is human and the controller has a good practical value.
Description
Technical field
The present invention relates to controller and its implementation of a kind of dry-type transformer.
Background technology
Transformer its temperature when operation can raise along with the increase of extraneous load, will seriously shorten transformer's life span when temperature is too high, thereby influence the normal conveying of electric power, therefore the temperature control to transformer is very important, yet it only rests on temperature monitoring to transformer etc. existing controller, those functions are to be enough never for the transformer that requires highly reliable row, therefore, need a kind of controller, it can not only be reported to the police when superhigh temperature automatically, tripping operation etc., but also can remote monitoring, to guarantee transformer stability.
Summary of the invention
The implementation method that the purpose of this invention is to provide a kind of controller of dry-type transformer can realize that controller has the CPU standalone module, can when the transformer superhigh temperature, report to the police automatically, tripping operation etc., and can also be by remote monitoring.
The present invention adopts following scheme to realize: a kind of implementation method of controller of dry-type transformer, it is characterized in that, may further comprise the steps: at first, a temperature collecting cell, a RS485/232 communicating circuit, an output control circuit, power supply and slot are set on the circuit board of this controller; Secondly, described temperature collecting cell, RS485/232 communicating circuit, output control circuit and power supply are connected with described slot respectively; At last, the one CPU standalone module that can be plugged on described slot is provided, this CPU standalone module comprises the CPU that is located on this standalone module, also is provided with program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit, filter amplification circuit, A/D change-over circuit and voltage conversion circuit on this standalone module; The input end of described program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit and voltage conversion circuit is equipped with the conductive pin that is used to insert described slot, and output terminal is connected with described CPU; The input end of described filter amplification circuit also is provided with conductive pin, and output terminal is connected with CPU through described A/D change-over circuit.
Another object of the present invention provides a kind of controller of dry-type transformer, has plug-in CPU standalone module, reports to the police automatically in the time of being implemented in the transformer superhigh temperature, tripping operation etc.
The present invention adopts following scheme to realize: a kind of controller of dry-type transformer, it is characterized in that: comprise a temperature collecting cell and a slot, it is characterized in that: described temperature collecting cell is connected through the CPU standalone module that described slot and can be plugged on slot, and the output terminal of described CPU standalone module also is connected with the RS485/232 communicating circuit with an output control circuit through this slot.
Circuit structure of the present invention is simple, adopts independently control module, has extendability preferably, and at the terminal that output exists the user to define voluntarily, the circuit design hommization has good practical values.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present invention.
Fig. 2 is the circuit catenation principle synoptic diagram of CPU standalone module of the present invention.
Fig. 3 is the circuit catenation principle synoptic diagram of one embodiment of the invention CPU standalone module.
Fig. 4 is the circuit connection diagram of the self-defined control output of the present invention.
Embodiment
The invention provides a kind of implementation method of controller of dry-type transformer, it is characterized in that, may further comprise the steps: at first, a temperature collecting cell, a RS485/232 communicating circuit, an output control circuit, power supply and a slot are set on the circuit board of this controller; Secondly, described temperature collecting cell, RS485/232 communicating circuit, output control circuit and power supply are connected with described slot respectively; At last, the one CPU standalone module that can be plugged on described slot is provided, this CPU standalone module comprises the CPU that is located on this standalone module, also is provided with program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit, filter amplification circuit, A/D change-over circuit and voltage conversion circuit on this standalone module; The input end of described program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit and voltage conversion circuit is equipped with the conductive pin that is used to insert described slot, and output terminal is connected with described CPU; The input end of described filter amplification circuit also is provided with conductive pin, and output terminal is connected with CPU through described A/D change-over circuit.
In order to allow those skilled in the art better understand controller of the present invention, below our combined circuit connection layout the hardware circuit of present embodiment is described further.
As shown in Figure 1, the invention provides and it is characterized in that: comprise a temperature collecting cell and a slot, it is characterized in that: described temperature collecting cell is connected through the CPU standalone module that described slot and can be plugged on slot, and the output terminal of described CPU standalone module also is connected with the RS485/232 communicating circuit with an output control circuit through this slot.The present invention is a kind of controller to dry-type transformer monitoring temperature or the required switching value input signal processing of surrounding environment, gate inhibition's switching value etc. for example, can also comprise gate inhibition's switching value input end in the present embodiment, described gate inhibition's switching value input end is connected with the CPU standalone module through described slot.This controller with each phase temperature of gathering transformer as main processing signals.When temperature signal is gathered, after filtering is amplified, the AD sample circuit of input single-chip microcomputer inside converts accessible digital signal to, single-chip microcomputer is provided with demand output control corresponding according to the user after this signal is done instant compensation or filtration, and for example control is installed on the blower fan circuit of transformer body bottom, so that coordinate the transformer operating ambient temperature, perhaps sound and light alarm, the perhaps break-make by a certain circuit in the relay control transformer system is to reach the required control requirement of user.
See also Fig. 2, this CPU standalone module is provided with CPU, program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit, filter amplification circuit, A/D change-over circuit and voltage conversion circuit in the present embodiment; The input end of described program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit and voltage conversion circuit is equipped with the conductive pin that is used to insert described slot, and output terminal is connected with described CPU; The input end of described filter amplification circuit also is provided with conductive pin, and output terminal is connected with CPU through described A/D change-over circuit.The independent CPUs module is not only convenient like this pegs graft, and it has advantages such as function modoularization, function is independent, module is interchangeable, when this module damage, only need extract replacing gets final product, can effectively improve the stability and the work efficiency of enterprise product, for great contribution has been made in business administration and cost control.Here being noted that because the kind of slot is a lot, can be the socket of two pin slots, three pin slots or array.Therefore, it is that present embodiment does not limit for which kind of slot, should peg graft with corresponding slot in the insertion position of its conductive pin.
Please refer to Fig. 3, in the present embodiment, described output control circuit comprises blower fan control output, sound and light alarm control output, overtemperature tripping operation control output, self-defined control output and the output of 4 ~ 20mA simulating signal.Control the safe operation that can effectively guarantee transformer by those outputs, prolong the serviceable life of transformer.
What deserves to be mentioned is, please refer to Fig. 4, the described self-defined control output of present embodiment comprises: a transistor 9014, and this transistorized base stage is connected with the output terminal of described single-chip microcomputer through a resistance R 13, this transistorized grounded emitter; One capacitor C 34, an end of this electric capacity is connected with described transistorized base stage, the other end ground connection of this electric capacity; One relay J 6, coil one end of this relay is connected with described transistorized collector, another termination power of coil; And a protection diode D12, the positive pole of this protection diode is connected with described transistorized collector, and negative pole connects described power supply.This self-defined control output is set by human-computer interaction module by the user, for example, single this controller lacks the tripping operation control port, at this moment the user just can be output as tripping operation control output end mouth by this self-defined control of keyboard to set up of system, like this, set the back user as long as port S10 and S11 are received control corresponding equipment, just can realize control.
The above only is preferred embodiment of the present invention, and all equalizations of being done according to the present patent application claim change and modify, and all should belong to covering scope of the present invention.
Claims (9)
1. the implementation method of the controller of a dry-type transformer is characterized in that, may further comprise the steps:
At first, a temperature collecting cell, a RS485/232 communicating circuit, an output control circuit, power supply and slot are set on the circuit board of this controller;
Secondly, described temperature collecting cell, RS485/232 communicating circuit, output control circuit and power supply are connected with described slot respectively;
At last, the one CPU standalone module that can be plugged on described slot is provided, this CPU standalone module comprises the CPU that is located on this standalone module, also is provided with program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit, filter amplification circuit, A/D change-over circuit and voltage conversion circuit on this CPU standalone module; The input end of described program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit and voltage conversion circuit is equipped with the conductive pin that is used to insert described slot, and output terminal is connected with described CPU; The input end of described filter amplification circuit also is provided with conductive pin, and output terminal is connected with CPU through described A/D change-over circuit.
2. the controller of dry-type transformer according to claim 1 is characterized in that: described output control circuit comprises that blower fan control output, sound and light alarm control output, overtemperature tripping operation control output, self-defined control output, a man-machine interaction demonstration export with operation interface circuit and 4 ~ 20mA simulating signal.
3. the controller of dry-type transformer according to claim 2 is characterized in that: described self-defined control output comprises:
One transistor, this transistorized base stage is connected with the output terminal of described single-chip microcomputer through a resistance, this transistorized grounded emitter;
One electric capacity, an end of this electric capacity is connected with described transistorized base stage, the other end ground connection of this electric capacity;
One relay, coil one end of this relay is connected with described transistorized collector, another termination power of coil; And
One protection diode, the positive pole of this protection diode is connected with described transistorized collector, and negative pole connects described power supply.
4. the controller of dry-type transformer according to claim 1, it is characterized in that: also comprise gate inhibition's switching value input end, described gate inhibition's switching value input end is connected with the CPU standalone module through described slot.
5. the controller of a dry-type transformer, it is characterized in that: comprise a temperature collecting cell and a slot, it is characterized in that: described temperature collecting cell is connected through the CPU standalone module that described slot and can be plugged on slot, and the output terminal of described CPU standalone module also is connected with the RS485/232 communicating circuit with an output control circuit through this slot.
6. the controller of dry-type transformer according to claim 1, it is characterized in that: this CPU standalone module is provided with CPU, program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit, filter amplification circuit, A/D change-over circuit and voltage conversion circuit; The input end of described program burn writing circuit, reset circuit, output filter circuit, memory circuit, input filter circuit and voltage conversion circuit is equipped with the conductive pin that is used to insert described slot, and output terminal is connected with described CPU; The input end of described filter amplification circuit also is provided with conductive pin, and output terminal is connected with CPU through described A/D change-over circuit.
7. the controller of dry-type transformer according to claim 1 is characterized in that: described output control circuit comprises that blower fan control output, sound and light alarm control output, overtemperature tripping operation control output, self-defined control output, a man-machine interaction demonstration export with operation interface circuit and 4 ~ 20mA simulating signal.
8. the controller of dry-type transformer according to claim 7 is characterized in that: described self-defined control output comprises:
One transistor, this transistorized base stage is connected with the output terminal of described single-chip microcomputer through a resistance, this transistorized grounded emitter;
One electric capacity, an end of this electric capacity is connected with described transistorized base stage, the other end ground connection of this electric capacity;
One relay, coil one end of this relay is connected with described transistorized collector, another termination power of coil; And
One protection diode, the positive pole of this protection diode is connected with described transistorized collector, and negative pole connects described power supply.
9. the controller of dry-type transformer according to claim 1, it is characterized in that: also comprise gate inhibition's switching value input end, described gate inhibition's switching value input end is connected with the CPU standalone module through described slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110248860.3A CN102298399B (en) | 2011-08-27 | 2011-08-27 | Controller of dry type transformer and realization method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110248860.3A CN102298399B (en) | 2011-08-27 | 2011-08-27 | Controller of dry type transformer and realization method thereof |
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| Publication Number | Publication Date |
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| CN102298399A true CN102298399A (en) | 2011-12-28 |
| CN102298399B CN102298399B (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110248860.3A Active CN102298399B (en) | 2011-08-27 | 2011-08-27 | Controller of dry type transformer and realization method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049020A (en) * | 2012-12-20 | 2013-04-17 | 南京五石金传感技术有限公司 | Optical fiber temperature controller of dry type transformer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201215632Y (en) * | 2008-06-20 | 2009-04-01 | 新疆新能源股份有限公司 | Temperature control instrument for dry transformer |
| CN201508504U (en) * | 2009-07-13 | 2010-06-16 | 福建省力得自动化设备有限公司 | Temperature controller of dry type transformer |
| CN201887460U (en) * | 2010-12-24 | 2011-06-29 | 大连新安越电力设备有限公司 | Iron core two-point grounding protection device of inductive transformer |
-
2011
- 2011-08-27 CN CN201110248860.3A patent/CN102298399B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201215632Y (en) * | 2008-06-20 | 2009-04-01 | 新疆新能源股份有限公司 | Temperature control instrument for dry transformer |
| CN201508504U (en) * | 2009-07-13 | 2010-06-16 | 福建省力得自动化设备有限公司 | Temperature controller of dry type transformer |
| CN201887460U (en) * | 2010-12-24 | 2011-06-29 | 大连新安越电力设备有限公司 | Iron core two-point grounding protection device of inductive transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103049020A (en) * | 2012-12-20 | 2013-04-17 | 南京五石金传感技术有限公司 | Optical fiber temperature controller of dry type transformer |
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| CN102298399B (en) | 2014-01-15 |
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