CN207571615U - A kind of transformer temperature controller - Google Patents
A kind of transformer temperature controller Download PDFInfo
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- CN207571615U CN207571615U CN201721684287.XU CN201721684287U CN207571615U CN 207571615 U CN207571615 U CN 207571615U CN 201721684287 U CN201721684287 U CN 201721684287U CN 207571615 U CN207571615 U CN 207571615U
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Abstract
The utility model provides a kind of transformer temperature controller,Transformer temperature controller includes shell (1),Enclosure setting microcontroller (2),Microcontroller includes main controller module circuit board (21),Temperature sensor module circuit board (22),Temperature transmitter module board (23),Pick-up output circuit plate (24),Switch input/output module circuit board (25),Power module circuitry plate (26),Key-press digital pipe display circuit board (27),Temperature sensor module circuit board (22) is plugged on main controller module circuit board (21),Temperature transmitter module board (23) is plugged on pick-up output circuit plate (24),Main controller circuit plate (21),Temperature transmitter module board (23),Switch input/output module circuit board (25),Power module circuitry plate (26) is plugged on key-press digital pipe display circuit board (27),The utility model is simple in structure,It is easy to operate,With high commercial value.
Description
Technical field
The utility model is related to a kind of transformer temperature control field, especially a kind of transformer temperature controller.
Background technology
With the progress of social science and technology, the application of the transformer temperature controller based on optical fiber temperature-measurement is more and more extensive, such temperature
Instrument is controlled using optical fiber sensing technology, in electromagnetism interference, high-voltage isulation, reliability, sensitivity and long-life etc.,
It is that traditional platinum resistance formula sensor technology is incomparable.
Power transformer is as the key equipment in operation of power networks, and reliability is particularly important in operation of power networks, transformation
Because winding overtemperature can lead to insulation ag(e)ing, burn, the accidents such as puncture in device operation.Other physical and chemical changes of inside transformer
(such as shelf depreciation and hot-spot) can also cause transformer temperature to change, and transformer performance is made to be different from normal operation
Warm rail lift mark.According to " 6 ° of rules ", the relationship of transformer ageing rate and temperature is on the basis of fiducial temperature, and temperature often rises
6 DEG C of ageing rates increase by 1 times, i.e. transformer life reduces half.Therefore, aging and change of the transformer winding temperature to insulating materials
The service life of depressor plays a decisive role, and accurate measuring transformer winding temperature all seems particularly heavy from safety and economy consideration
It will.
Inside transformer temperature change intuitively can rapidly reflect its operating status, but conventional transformer temperature control
Device, which does not use, is in direct contact measurement, but temperature probe is placed on transformer top, and obtained temperature value is all logical
It crosses and carries out what electronics conversion obtained to the oil temperature of measure, it is impossible to accurately monitoring winding temperature and internal oil temperature.
At present in the transformer temperature controller of direct contact type few in number, used in traditional transformer temperature controller
There are the potential risk of failure of insulation, and current transformer temperature for PT100 platinum resistance thermometer sensor, thermometrics, platinum resistance and lead for sensor
Most of control device is required for operator that could be controlled by terminal.
And it is current, there is no a kind of devices that can be controlled by intelligent control transformer temperature.
Utility model content
For technological deficiency of the existing technology, the purpose of this utility model is to provide a kind of transformer temperature control
Device is used to control transformer temperature, and the transformer temperature controller includes shell 1, and the enclosure sets microcontroller
2, wherein, the microcontroller includes main controller module circuit board 21, temperature sensor module circuit board 22, temperature transmitter mould
Block circuit board 23, pick-up output circuit plate 24 switch input/output module circuit board 25, power module circuitry plate 26, by bond number
Code pipe display circuit board 27, wherein, temperature sensor module circuit board 22 is plugged on main controller module circuit board 21, temperature
Transmitter module circuit board 23 is plugged on pick-up output circuit plate 24, main controller circuit plate 21, temperature transmitter module electricity
Road plate 23, switch input/output module circuit board 25, power module circuitry plate 26 are plugged on key-press digital pipe display circuit board 27
On.
Preferably, the shell 1 includes front panel 11 and rear panel 12.
Preferably, the front panel 11 includes touching key 111, LED charactrons 112 and indicator light 113.
Preferably, it is defeated to include fiber-optic signal excitation receiving interface 121, Interface for digital communication 122, switch for the rear panel 12
Incoming interface 123, relay output interface 124,4~20mA simulation outputs interface 125 and power interface 126.
Preferably, the transformer temperature controller further includes fluorescence temperature measurement plate 3.
Preferably, the transformer temperature controller further includes multiple fluorescence temperature probes 5, and the multiple fluorescence temperature is visited
First 5 quantity is：
2；
4；Or
6.
Preferably, the transformer temperature controller further includes optical fiber 4, and the fluorescence temperature probe 5 is surveyed with fluorescence temperature
Template 3 is connected by the optical fiber 4.
Preferably, the main controller module circuit board 21 is furnished with 9 core, 232 connector, passes through RS232 with external digital equipment
With RS485 protocol communications.
Preferably, the switch input/output module circuit board 25 is arranged equipped with Switch input terminal, detects external switch shape
State, and arranged equipped with Switch output terminal, 4 road relay node outputs are provided.
Preferably, the power module circuitry plate 26 is arranged equipped with Switch output terminal, provides 5 road relay node outputs,
AC-DC conversion module is welded on by contact pin on power supply circuit board.
The beneficial effects of the utility model：Fluorescence temperature sensor modularization is integrated into temperature controller by the utility model
In, the measurement of program intelligence that is set by microcontroller simultaneously controls transformer temperature so that transformer temperature controller is more
Securely and reliably.The utility model is simple in structure, powerful, easy to operate, can be mass, and has high commercial value.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 shows specific embodiment according to the present utility model, a kind of each component of transformer temperature controller
Module connection diagram；
Fig. 2 shows first embodiment according to the present utility model, the module of each component is connected and is shown in the microcontroller
It is intended to；
Fig. 3 shows second embodiment according to the present utility model, and the module of each component connects in the shell front panel
Connect schematic diagram；And
Fig. 4 shows 3rd embodiment according to the present utility model, and the module of each component connects in the shell rear panel
Connect schematic diagram.
Specific embodiment
It is new to this practicality below in conjunction with the accompanying drawings in order to preferably the technical solution of the utility model be made clearly to show
Type is described further.
Fig. 1 shows specific embodiment according to the present utility model, a kind of each component of transformer temperature controller
Module connection diagram, the utility model provide a kind of transformer temperature controller, including shell 1, microcontroller 2, fluorescence temperature
Spend measurement plate 3, optical fiber 4, fluorescence temperature probe 5.
Further, setting microcontroller 2 in the shell 1, shell front panel 11 include touching key 111, LED charactrons
112nd, indicator light 113, the microcontroller 2 touch bonded state 111, control charactron 112 by Digital Logical Circuits reading and refer to
Show that lamp shows 113, the microcontroller controls temperature transmitter to export 4~20mA and simulates remote transfer signal by pulse train, described
Microcontroller can also detect external switch state, and relay is controlled according to logic of propositions according to temperature measurement result, arrange parameter
Action, and then realize cooling blower start and stop, high temperature sound-light alarm and overtemperature trip avoidance function, ensure transformer safety operation.
Further, multiple fluorescence temperature probes 5 are mounted on three-phase transformer and on iron core, fluorescence temperature measurement plate
3 are communicated by RS485 buses with SCM system, and the fluorescence temperature probe 5 is with the fluorescence temperature measurement plate 3 by described
Optical fiber 4 connects, and the fluorescent probe and optical fiber inside high voltage installation are nonmetallic materials, completely eliminate failure of insulation
Risk, the temperature measured is returned to fluorescence temperature measurement plate by multiple fluorescence temperature probes 5 by the optical fiber, described
The measurement data of the multiple fluorescence temperature probe 5 is summarized and is sent to temperature sensor module circuit by fluorescence temperature measurement plate
Plate 22, the temperature sensor module circuit board 22 serve data to key-press digital pipe display circuit board 27, are eventually displayed in
In LED charactrons 112.
Fig. 2 shows first embodiment according to the present utility model, the module of each component is connected and is shown in the microcontroller
It is intended to, the microcontroller 2 includes main controller module circuit board 21, temperature sensor module circuit board 22, temperature transmitter mould
Block circuit board 23, pick-up output circuit plate 24 switch input/output module circuit board 25, power module circuitry plate 26, by bond number
Code pipe display circuit board 27.
Further, temperature sensor module circuit board 22 is plugged on main controller module circuit board 21, temperature pick-up
Device module board 23 is plugged on pick-up output circuit plate 24, main controller circuit plate 21, temperature transmitter module board
23rd, switch input/output module circuit board 25, power module circuitry plate 26 are plugged on key-press digital pipe display circuit board 27, institute
It states key-press digital pipe display circuit board 27 with the touching 111, LED charactrons 112, indicator light 113 to be connected, the main control
Device module board 21 is connected with other each module boards, with each module board of integrated control, the temperature sensor
Module board 22 connect fluorescence temperature measurement plate, with collect measure temperature, temperature transmitter module board 23 connection 4~
20mA simulation outputs interface 125 outputs signals to temperature transmitter module board 23 from temperature sensor module circuit board 22,
After the processing of circuit such as voltage regulation filtering, operation amplifier, gamma correction V/I conversions, constant current and reverse protection, it is converted into and temperature
4~20mA simulation outputs interface 125 that linear 4~20mA current signals are sent to the shell rear panel is spent, by
RS485 exports digital signal, and switch input/output module circuit board 25 connects temperature transmitter module board, controls electric current
The output input of signal, power module circuitry plate 26 connect the power interface 126 of the shell rear panel.
Further, main controller module circuit board 21 is furnished with 9 core, 232 connector, can pass through with external digital equipment
RS232 and RS485 protocol communications not only have most functions of RS422, have been also equipped with unique network savvy, branch
It holds and data is transmitted through the network to background terminal, equally, background terminal can also pass through RS232 and RS485 remotely monitoring and controls
The transformer temperature controller is made, and driving force can at least drive 32 receivers, to ensure that equipment can carry out normally
Data transmission, switch input/output module circuit board 25 are arranged equipped with Switch input terminal, can detect external switch state, and be
The close-fitting switch connection of contact pin type end of incoming cables, is drained through without other conducting wires, copper, aluminium and crosses connection, while arranged equipped with Switch output terminal,
4 road relay node outputs are provided, play a part of automatic adjustment, safeguard protection, conversion circuit, power module electricity in circuit
Road plate 26 is arranged equipped with Switch output terminal, provides 5 road relay node outputs, and AC-DC conversion module is welded on electricity by contact pin
On source circuit plate.
Fig. 3 shows second embodiment according to the present utility model, and the module of each component connects in the shell front panel
Connect schematic diagram, the front panel 11 includes touching key 111, LED charactrons 112, indicator light 113, wherein it is described touch key 111 and
Indicator light 113 is arranged in the LED charactrons 112, and the LED charactrons 112 connect key-press digital pipe display circuit board 27.
Further, it is described to touch in key 111 comprising artificial or intelligent mode switching, emergency trip, function menu setting
Buttons are waited, wherein function menu setting can be configured microcontroller by touching key 111, and the connection of LED charactrons 112 is pressed
Key charactron display circuit board 27, since key-press digital pipe display circuit board 27 is connected to main controller circuit plate 21, temperature becomes
Device module board 23, switch input/output module circuit board 25, power module circuitry plate 26 are sent, so in LED charactrons 112
On can show the operating status of each module board, and each module can be operated by touching key 111, the indicator light
113 are arranged in LED charactrons 112, when the transformer temperature controller normal operation, then show green light, work as transformer
When temperature is more than temperature alarming threshold value, then it is displayed in red.
Further, in a preferred embodiment, operator can be right by touching key 111 in LED charactrons 112
Microcontroller 2 is configured, and thermometric time interval, temperature safety threshold value, temperature are set such as in temperature sensor module circuit board 22
Alarm threshold value is spent, when temperature reaches temperature alarming threshold value, automatic jump can be set in input/output module circuit board 25 is switched
Lock, and when temperature is dropped in the range of secure threshold, it can be by switching the work(such as recovery automatically of input/output module circuit board 25
Can, after being provided with, it can arbitrarily switch intelligent monitoring pattern and artificial monitoring mode.
Fig. 4 shows 3rd embodiment according to the present utility model, and the module of each component connects in the shell rear panel
Schematic diagram is connect, the rear panel 12 includes fiber-optic signal excitation receiving interface 121, Interface for digital communication 122, switch input interface
123rd, relay output interface 124,4~20mA simulation outputs interface 125 and power interface 126, wherein, fiber-optic signal excitation connects
It receives interface 121 and connects pick-up output circuit plate 24, Interface for digital communication 122 connects temperature sensor module circuit board 22, switch
123 connecting valve input/output module circuit board 25 of input interface, relay output interface 124 connect temperature transmitter module electricity
Road plate 23,4~20mA simulation outputs interface 125 connect pick-up output circuit plate 24, and main controller module circuit board 21 passes through light
The transfer pulse sequence of coupling, the output-controlled 4~20mA temperature signals of pick-up output circuit plate 24.
With reference to above four attached drawing, in a preferred embodiment, 4 fluorescence temperatures are popped one's head in 5 mounted on three by operator
In phase transformer and on iron core, fluorescence temperature measurement plate 3 is communicated by RS485 buses with 2 system of microcontroller, and fluorescence temperature is visited
First 5 are connect with fluorescence temperature measurement plate 4 by optical fiber, and the temperature measured is returned to temperature sensor by fluorescence temperature probe 5
Module board 22, key-press digital pipe display circuit board 27 transmit after getting 22 return data of temperature sensor module circuit board
To LED charactrons 112, operator would know that actual temp by the LED charactrons 112 on 1 front panel 11 of shell, when temperature surpasses
When crossing alarm threshold value, operator can send out command adapted thereto by touching key 111 to each module, such as to main controller module circuit board
21 send instruction, are cut off the power by power module circuitry plate 26, can be by touching key when temperature is reduced in secure threshold
111 restore electricity.
And in another preferably change case, operator can be configured microcontroller 2 by touching key 111, monolithic
2 system of machine is touched bonded state 111, control LED charactrons 112 and indicator light 113 by Digital Logical Circuits reading and is shown, monolithic
2 system of machine controls temperature transmitter module board 23 to export 4~20mA and simulates remote transfer signal by pulse train, can in advance by
The secure threshold and alarm threshold value of transformer temperature are arranged in microcontroller 2, and 2 system of microcontroller is by switching input/output module
Circuit board 25 can detect external switch state, and temperature measurement result, control are obtained according to temperature sensor module circuit board 22
21 arrange parameter of main controller module circuit board controls the actuating of relay according to logic of propositions, so realize cooling blower start and stop,
High temperature sound-light alarm and overtemperature trip avoidance function ensure transformer safety operation.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims,
This has no effect on the substantive content of the utility model.
Claims (10)
1. a kind of transformer temperature controller is used to control transformer temperature, which is characterized in that the transformer temperature control
Device includes shell (1), and the enclosure sets microcontroller (2), wherein,
The microcontroller includes main controller module circuit board (21), temperature sensor module circuit board (22), temperature transmitter
Module board (23), pick-up output circuit plate (24), switch input/output module circuit board (25), power module circuitry plate
(26), key-press digital pipe display circuit board (27), wherein,
Temperature sensor module circuit board (22) is plugged on main controller module circuit board (21), temperature transmitter modular circuit
Plate (23) is plugged on pick-up output circuit plate (24), main controller circuit plate (21), temperature transmitter module board (23),
Switch input/output module circuit board (25), power module circuitry plate (26) are plugged on key-press digital pipe display circuit board (27)
On.
2. transformer temperature controller according to claim 1, which is characterized in that the shell (1) is including front panel
(11) and rear panel (12).
3. transformer temperature controller according to claim 2, which is characterized in that the front panel (11) is including touching key
(111), LED charactrons (112) and indicator light (113).
4. the transformer temperature controller according to Claims 2 or 3, which is characterized in that the rear panel (12) is including light
Optical fiber signaling excitation receiving interface (121), Interface for digital communication (122), switch input interface (123), relay output interface
(124), 4~20mA simulation outputs interface (125) and power interface (126).
5. transformer temperature controller according to claim 4, which is characterized in that the transformer temperature controller also wraps
Include fluorescence temperature measurement plate (3).
6. transformer temperature controller according to claim 5, which is characterized in that the transformer temperature controller also wraps
Multiple fluorescence temperature probes (5) are included, the quantity of the multiple fluorescence temperature probe (5) is：
2；
4；Or
6.
7. transformer temperature controller according to claim 6, which is characterized in that the transformer temperature controller also wraps
Optical fiber (4) is included, the fluorescence temperature probe (5) is connected with fluorescence temperature measurement plate (3) by the optical fiber (4).
8. transformer temperature controller according to claim 1, which is characterized in that the main controller module circuit board
(21) equipped with 9 core, 232 connector, pass through RS232 and RS485 protocol communications with external digital equipment.
9. transformer temperature controller according to claim 1, which is characterized in that the switch input/output module circuit
Plate (25) is arranged equipped with Switch input terminal, is detected external switch state, and arrange equipped with Switch output terminal, is provided No. 4 relays
Node exports.
10. transformer temperature controller according to claim 1, which is characterized in that the power module circuitry plate (26)
It is arranged equipped with Switch output terminal, 5 road relay node outputs is provided, AC-DC conversion module is welded on power circuit by contact pin
On plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721684287.XU CN207571615U (en) | 2017-12-06 | 2017-12-06 | A kind of transformer temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721684287.XU CN207571615U (en) | 2017-12-06 | 2017-12-06 | A kind of transformer temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207571615U true CN207571615U (en) | 2018-07-03 |
Family
ID=62686434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721684287.XU Active CN207571615U (en) | 2017-12-06 | 2017-12-06 | A kind of transformer temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207571615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790820A (en) * | 2021-07-26 | 2021-12-14 | 深圳阿珂法先进科技有限公司 | Fluorescent optical fiber temperature measurement method with self-adaptive adjustment function |
-
2017
- 2017-12-06 CN CN201721684287.XU patent/CN207571615U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790820A (en) * | 2021-07-26 | 2021-12-14 | 深圳阿珂法先进科技有限公司 | Fluorescent optical fiber temperature measurement method with self-adaptive adjustment function |
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