CN206002914U - A kind of automatic electric device of detection humidity and control system - Google Patents
A kind of automatic electric device of detection humidity and control system Download PDFInfo
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- CN206002914U CN206002914U CN201621065945.2U CN201621065945U CN206002914U CN 206002914 U CN206002914 U CN 206002914U CN 201621065945 U CN201621065945 U CN 201621065945U CN 206002914 U CN206002914 U CN 206002914U
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Abstract
The utility model discloses a kind of automatic electric device of detection humidity and control system, belong to automatic control technology field, this automatic electric device includes air duct external member, intelligent controller, Temperature Humidity Sensor, upper mounting flange and lower mounting flange, air duct external member upper and lower ends are connected with upper mounting flange and lower mounting flange respectively, Temperature Humidity Sensor is located at air duct external member side wall, and electrically connect with intelligent controller, intelligent controller is connected located at the outside of air duct external member and with Surveillance center.Control system passes through internal 1 programmable logic device (CPLD) of Local bus bus extension, carries out outside Temperature Humidity Sensor control data transmission by programming logic in CPLD piece, and relay output control.This utility model is used for detecting the air humidity in oil-filling type electrical equipment respiration channel, and when humidity reaches setting value, provides warning signal, and prompting maintenance personnel change dehumidizer.
Description
Technical field
This utility model is related to automatic control technology field, specifically, is to be related to a kind of automatic electric of detection humidity
Device and control system.
Background technology
Oil-filling type electrical equipment (main include oil-filling type electrical equipment, such as power transformer, distribution transformer, have load to adjust
Compress switch, capacitor, reactor etc.) be the electrical equipment as insulant using insulating oil, be filled with insulation in its housing
Oil.In order to avoid the damage that device housings are caused of expanding with heat and contract with cold of insulating oil, the general installation in these equipment tops one is not complete
Entirely fill the oil conservater of oil, oil conservater is connected with outside air by pipeline, makes equipment with the generation of expanding with heat and contract with cold of insulating oil
Breathing.
Affect its insulating properties in order to avoid the moisture of in the air enters insulating oil, often the end in air pipe line adds one
It is filled with the dehydrating unit of colouring silica gel, be in blueness when its silica gel is dry, pinkiness when moist.When attendant estimates silica gel
During variable color, silica gel is changed to ensure dehydrating unit normal work.But there are some drawbacks in this mode：This kind of method
Only have the understanding of perception to the air humidity in air pipe line, there is no the analytical data of quantitation for reference；Rely in detection process
In direct surveillance's dehydrating unit silica gel discoloration, there is no the means of automatic alarm/prompting；It also cannot be in air pipe line
Air humidity carries out implementing monitoring.
Drawbacks described above, is worth solving.
Content of the invention
In order to overcome the shortcomings of existing technology, this utility model provides a kind of automatic electric device of detection humidity and control
System processed, for detecting the air humidity in oil-filling type electrical equipment respiration channel, and when humidity reaches setting value, provides announcement
Alert signal, prompting maintenance personnel change dehumidizer.
Technical solutions of the utility model are as described below：
A kind of automatic electric device of detection humidity is it is characterised in that include air duct external member, intelligent controller, temperature
Humidity sensor, upper mounting flange and lower mounting flange, described air duct external member is provided with longitudinally through air for middle part and leads to
The column structure in road, its upper and lower ends is connected with fixed flange and described lower mounting flange respectively, fixed method
Orchid is connected with the air pipe line of oil-charging type electrical device, and described lower mounting flange is connected with moisture absorption apparatus, and described humiture passes
Sensor is located at described air duct external member side wall, and described Temperature Humidity Sensor is electrically connected with described intelligent controller, described
Intelligent controller is located at the outside of described air duct external member, and described intelligent controller is connected with Surveillance center.
This utility model according to such scheme is it is characterised in that described intelligent controller is provided with display device.
This utility model according to such scheme is it is characterised in that described display device is LCD liquid crystal display.
This utility model according to such scheme is it is characterised in that described air duct external member upper and lower ends are passed through respectively
Helical structure is connected with fixed flange and described lower mounting flange.
This utility model according to such scheme is it is characterised in that described intelligent controller passes through riveting and gluing fixation
Outside in described air duct external member.
This utility model according to such scheme it is characterised in that described intelligent controller is provided with LED light, institute
State the running status that LED light indicates described automatic electric device.
This utility model according to such scheme it is characterised in that also including environment humidity sensor, described environment temperature
On the shell of described intelligent controller, it is electrically connected humidity sensor with described intelligent controller.
A kind of control system of detection humidity is it is characterised in that include CPU and programmable logic device (CPLD), described CPU
It is connected with described programmable logic device (CPLD) by internal Local bus bus, described programmable logic device (CPLD) is respectively
Connect Temperature Humidity Sensor and relay output, described CPU is passed through internal Memory Controller Hub and is connected with SDRAM, and described CPU leads to
Cross internal digital power to be connected with external power source.
This utility model according to such scheme it is characterised in that described CPU also by described Local bus bus with
Ethernet controller connects, and described ethernet controller is passed through RJ45 and realizes being connected with Surveillance center with ethernet communication.
This utility model according to such scheme it is characterised in that described CPU pass through respectively internal FLASH controller,
UART controller, USB controller and 12C controller and outside Flash, debugging serial ports and RS485, USB interface and ring
Environmental temperature and humidity sensor connects.
According to this utility model of such scheme, its advantage is, this utility model can improve the intelligence of transformator
Level can be changed, reduce overall maintenance cost in life cycle for the transformator, it is possible to achieve the lean management to dessicator；
Because of dessicator, this utility model reduces safeguards that the oil-filling type insulation of electrical installation bringing not in time is aging, it is to avoid air
In humid air enter transformator, be effectively protected electrical equipment.
This utility model realizes effective monitor in real time to the humidity in air pipe line, is easy to management personnel and is better understood by
Equipment operation condition, is maintenance, the support of the data of overhaul provided auxiliary of equipment.
Brief description
Fig. 1 is the schematic diagram of this utility model installation site.
Fig. 2 is the structural representation of this utility model automatic electric device.
Fig. 3 is the Structure explosion diagram of this utility model automatic electric device.
Fig. 4 is the structural representation of this utility model control system.
In in figure, 10, intelligent controller；21st, Temperature Humidity Sensor；22nd, environment humidity sensor；31st, lower fixation
Blue；32nd, upper mounting flange；40th, air duct external member；50th, air duct；61st, humid air；62nd, dry air；71st, moisture absorption
Device；72nd, oil-charging type electrical device；721st, air；722nd, insulating oil.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment conducts further description to this utility model：
As Figure 1-3, a kind of automatic electric device of detection humidity, including air duct external member 40, intelligent controller
10th, Temperature Humidity Sensor 21, environment humidity sensor 22, upper mounting flange 32 and lower mounting flange 31.
Air duct external member 40 is provided with the column structure of longitudinally through air duct 50 for middle part, and its upper and lower ends is led to respectively
Cross helical structure to be connected with upper mounting flange 32 and lower mounting flange 31.
Upper mounting flange 32 is connected with the air pipe line of oil-charging type electrical device 72, lower mounting flange 31 and moisture absorption apparatus 71
Connect.The humid air 61 of moisture absorption apparatus 71 dampness after automatic electric device be sucked away formation dry air 62 enter oil-filled
Formula electrical equipment 72, forms air 721 and the detached state of insulating oil 722 in oil-charging type electrical device 72.
Temperature Humidity Sensor 21 is located at air duct external member 40 side wall, and Temperature Humidity Sensor 21 and intelligent controller 10
Electrical connection, for measuring humidity and temperature in air duct 50, and by temperature and humidity data in the air duct recording 50
Send the simulated measurement input circuit of intelligent controller 10 to；Environment humidity sensor 22 is located at the shell of intelligent controller 10
On, it is electrically connected with intelligent controller 10, for detecting the temperature and humidity of environment, and by the ambient temperature recording and humidity number
According to the simulated measurement input circuit sending intelligent controller 10 to, it is supplied to operation maintenance personnel as reference value, to contrast air
Humiture with environment in pipeline.This makes this utility model have the detection function of ambient temperature, humidity data.
Intelligent controller 10 passes through riveting and the gluing outside being fixed on air duct external member 40, and intelligent controller 10
It is connected with Surveillance center.Intelligent controller 10 is built-in with CPU core core, control and testing board, power module, LCD display module, communication mould
The peripheral circuit of block, LED light and correlation.When the warm and humid degrees of data that intelligent controller 10 records in air duct 50 exceedes
During setting value in advance, intelligent controller 10 drives LED to send warning signal, and simultaneously defeated with hard contact and communication two ways
Go out warning signal to Surveillance center, remind operation maintenance personnel to change the silica gel in moisture absorption apparatus.
Color LCD display device on intelligent controller 10 and LED lamplight instruction, are easy to operations staff and check that equipment runs
Situation, to show the warm and humid degrees of data in air duct, and the warm and humid degrees of data of external environment condition, LED indicates LCD liquid crystal display
Lamp is with states such as the operation of instruction device, fault, alarm, communications；This power module adopts 100-400V wide scope Switching Power Supply,
Power of alterating and direct current can be inputted；This communication module employs anti-surge protection circuit；Intelligent controller 10 can with Ethernet, RS485,
The multiple network connected mode such as wireless network, supports Modbus, multiple communication protocol such as IEC61850.
As shown in figure 4, a kind of control system of detection humidity, including CPU and programmable logic device (CPLD), CPU passes through
Internal Local bus bus is connected with programmable logic device (CPLD), and programmable logic device (CPLD) connects humiture respectively and passes
Sensor and relay, global reliability is high, and safety is good.
This utility model overall architecture is designed with the ARM9+ built-in Linux operating system of low-power consumption.Support Ethernet
Communication, RS485 communicates, and system in future Function Extension.
CPU is ARM9 processor, its dominant frequency 400MHz, and core is ARM920T.
CPU is passed through internal Memory Controller Hub and is connected with SDRAM, and SDRAM is 64MB internal memory.
CPU is passed through internal digital power and is connected with external power source, and its exterior power supply adopts 220V supplied by AC/DC electricity system
System, internal hardware is according to 4 grades of standard designs of EMC.
CPU is passed through internal FLASH controller and is connected with outside Nor Flash and Nand Flash.System configuration 8MB
Nor Flash, for storing Bootloader, (SuSE) Linux OS kernel, and file system etc..During operation read-only it is ensured that being
System runs and never collapses.
System is configured with 128MB Nand Flash simultaneously, read-write during operation, for storing user program data.
CPU is passed through internal UART controller and is connected with outside debugging serial ports and RS485, and CPU passes through internal USB control
Device processed is connected with outside USB interface.
CPU is passed through internal 12C controller and is connected with the extraneous sensor of outside, can external multiple sensors, be easy to be
System upgrading and Function Extension.Internal system is configured with power down retainable RTC real-time clock it is ensured that system clock is grown for more than 10 years
Phase operation will not be lost.
CPU is connected with ethernet controller by Local bus bus, and ethernet controller passes through RJ45 and ether Netcom
News.
This utility model is realized the air humidity detection of oil-filling type electrical equipment respiration channel and is given the former of alarm signal
Manage and be：
This utility model is arranged on (Fig. 1), this reality between the breathing pipeline of oil-charging type electrical device 72 and moisture absorption apparatus 71
With the air duct external member 40 of new hollow, to ensure the eupnea of oil-filling type electrical equipment.In air duct external member 40
Inwall on, encapsulate a Temperature Humidity Sensor 21, to measure air humidity and the temperature of entry/exit oil-filling type electrical equipment.Survey
Value, in the form of analogue signal, is delivered in intelligent controller by cable.Therefore intelligent controller 10 is permissible by computing
Obtain the humiture real time data of air in pipeline.The preset value that staff can set a humidity in advance in a device is made
The foundation whether exceeded for judging humidity.It is more than preset value when intelligent controller 10 records volume humidity data, device is just given automatically
Go out warning signal, remind staff's humidity over limit, need to change the silica gel in dehumidifier.The environment of setting on this utility model
The real time data of Temperature Humidity Sensor 22 is it is also possible to by cable transmission to intelligent controller, this organizes data value for reference only.
This utility model has advantages below：
1) device has the detection function of ambient temperature, humidity data；
2) intelligent controller 10 is provided with LCD liquid crystal display showing the warm and humid degrees of data in air duct 50, and outward
The warm and humid degrees of data of portion's environment.
3) on intelligent controller 10, there is LED light, with states such as the operation of instruction device, fault, alarm, communications；
4) intelligent controller 10 can be with idle contact form output relay signal；
5) this utility model has exchange and the input of direct current 100-250V wide-range power；
6) this utility model has the multiple network connected mode such as Ethernet, RS485, wireless network, supports Modbus,
Multiple communication protocol such as IEC61850.
7) control system hardware includes CPU, programmable logic device (CPLD), ethernet controller, memorizer, power supply mould
Block.CPU is passed through internal Local bus bus and is connected with programmable logic device (CPLD), and programmable logic device (CPLD) connects respectively
Connect Temperature Humidity Sensor and relay, global reliability is high, safety is good.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations all should belong to the protection domain of this utility model claims.
Above in conjunction with accompanying drawing, exemplary description is carried out to this utility model patent it is clear that the reality of this utility model patent
Now it is not subject to the restrictions described above, as long as the method design employing this utility model patent is various with what technical scheme was carried out
Improve, or the not improved design by this utility model patent and technical scheme directly apply to other occasions, all in this reality
With in new protection domain.
Claims (10)
1. a kind of automatic electric device of detection humidity is it is characterised in that include air duct external member, intelligent controller, warm and humid
Degree sensor, upper mounting flange and lower mounting flange, described air duct external member is provided with longitudinally through air duct for middle part
Column structure, its upper and lower ends is connected with fixed flange and described lower mounting flange respectively, fixed flange
It is connected with the air pipe line of oil-charging type electrical device, described lower mounting flange is connected with moisture absorption apparatus, described Temperature Humidity Sensor
Located at described air duct external member side wall, and described Temperature Humidity Sensor is electrically connected with described intelligent controller, described intelligence
Controller is located at the outside of described air duct external member, and described intelligent controller is connected with Surveillance center.
2. the automatic electric device of detection humidity according to claim 1 is it is characterised in that set on described intelligent controller
There is display device.
3. the automatic electric device of detection humidity according to claim 2 is it is characterised in that described display device is LCD
Liquid crystal display.
4. the automatic electric device of detection humidity according to claim 1 is it is characterised in that in described air duct external member
Lower two ends are connected with fixed flange and described lower mounting flange by helical structure respectively.
5. the automatic electric device of detection humidity according to claim 1 is it is characterised in that described intelligent controller passes through
Riveting and the gluing outside being fixed on described air duct external member.
6. the automatic electric device of detection humidity according to claim 1 is it is characterised in that set on described intelligent controller
There is LED light, described LED light indicates the running status of described automatic electric device.
7. the automatic electric device of detection humidity according to claim 1 passes it is characterised in that also including ambient temperature and humidity
Sensor, on the shell of described intelligent controller, it is electrically connected described environment humidity sensor with described intelligent controller.
8. it is characterised in that including CPU and programmable logic device (CPLD), described CPU leads to a kind of control system of detection humidity
Cross internal Local bus bus to be connected with described programmable logic device (CPLD), described programmable logic device (CPLD) connects respectively
Connect Temperature Humidity Sensor and relay output, described CPU is passed through internal Memory Controller Hub and is connected with SDRAM, and described CPU passes through
Internal digital power is connected with external power source.
9. the control system of detection humidity according to claim 8 is it is characterised in that described CPU is also by described Local
Bus bus is connected with ethernet controller, and described ethernet controller is passed through RJ45 and realized and Surveillance center with ethernet communication
Connect.
10. the control system of detection humidity according to claim 8 is it is characterised in that described CPU passes through inside respectively
The Flash of FLASH controller, UART controller, USB controller and I2C controller and outside, debugging serial ports and RS485,
USB interface and environment humidity sensor connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065945.2U CN206002914U (en) | 2016-09-12 | 2016-09-12 | A kind of automatic electric device of detection humidity and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065945.2U CN206002914U (en) | 2016-09-12 | 2016-09-12 | A kind of automatic electric device of detection humidity and control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002914U true CN206002914U (en) | 2017-03-08 |
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| CN201621065945.2U Active CN206002914U (en) | 2016-09-12 | 2016-09-12 | A kind of automatic electric device of detection humidity and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817713A (en) * | 2016-09-12 | 2018-03-20 | 珠海智润电力科技有限公司 | A kind of automatic electric device and control system for detecting humidity |
-
2016
- 2016-09-12 CN CN201621065945.2U patent/CN206002914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817713A (en) * | 2016-09-12 | 2018-03-20 | 珠海智润电力科技有限公司 | A kind of automatic electric device and control system for detecting humidity |
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| GR01 | Patent grant |