CN206479862U - A kind of device for monitoring terminal box of transformer substation humiture - Google Patents
A kind of device for monitoring terminal box of transformer substation humiture Download PDFInfo
- Publication number
- CN206479862U CN206479862U CN201720134716.XU CN201720134716U CN206479862U CN 206479862 U CN206479862 U CN 206479862U CN 201720134716 U CN201720134716 U CN 201720134716U CN 206479862 U CN206479862 U CN 206479862U
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- Prior art keywords
- terminal box
- temperature
- heater
- transformer substation
- humiture
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000007639 printing Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001120 nichrome Inorganic materials 0.000 claims description 2
- 238000009833 condensation Methods 0.000 abstract description 14
- 230000005494 condensation Effects 0.000 abstract description 10
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 2
- 238000013500 data storage Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a kind of device for monitoring terminal box of transformer substation humiture, at least include a temperature and humidity controller and a heater being arranged on inside terminal box, the temperature and humidity controller connects the Temperature Humidity Sensor and heater being arranged on terminal box respectively, temperature and humidity controller is connected with computer, and computer is connected with printing, record, communication and alarm appliance.The device simultaneously in measurement terminal case case, the outer humiture information of case, random start or close heater, the condition that destruction dew point is produced is actively anti-condensation, is just controlled before condensation may occur；The humiture of each terminal box of transformer station can in real time be detected by computer, Temperature and Humidity Control, overload alarm, record and data storage, inquiry.
Description
Technical field
The utility model is related to a kind of terminal box of transformer substation monitoring system, and particularly a kind of monitoring terminal box of transformer substation is warm and humid
The device of degree.
Background technology
Outdoor Terminal Case plays power, control, measurement and protective effect in transformer station.Transformer station outdoor terminal box is for carrying
The insulation of high secondary circuit and electric property, are prevented because of the various defects and exception that secondary circuit insulate and problem of aging triggers,
Ensure that main equipment and its system safety operation are significant.
Moisture in the place that day and night temperature is big and there was dampness in the air, air will generally condense into droplet to the cold.Family
External terminal case by the daytime sun be exposed to the sun and internal electrical equipment heating, it is damp in the temperature drop of cabinet tank wall, cabinet during the late into the night
Wet hot-air encounters ice-cold tank wall and forms condensation.Top that the globule may be condensed in Outdoor Terminal Case cabinet and interior
Wall, the globule of condensation under gravity, will be dropped in the terminal block being currently running.Outdoor Terminal Case is once made moist sternly
Weight, the running environment caused in terminal box is deteriorated, and then causes the reduction of alternating current-direct current loop insulation against ground resistance, causes secondary returning
Road is grounded or short circuit, and this will cause false protection or tripping etc., or even cause the malfunction of breaker, very harmful.In addition, when hair
After existing Outdoor Terminal Case is made moist seriously, in addition it is also necessary to emit great security risk and change terminal block or terminal box, or even will be involved
Equipment and loop have a power failure, and equally exist serious accident potential.Therefore, the daily Temperature and Humidity Control to Outdoor Terminal Case is strengthened
(dehumidifying, damp-proof treatment) is just particularly important.
Utility model content
The purpose of this utility model is to design a kind of device for monitoring terminal box of transformer substation humiture, can be in real time to change
The humiture of power station terminal box is controlled, shows, records, alarmed, and terminal box is not possessed the condition of condensation generation, plays
Pre- anti-condensation effect.
The purpose of this utility model is realized by following technical proposals：
A kind of device for monitoring terminal box of transformer substation humiture, at least including a humiture being arranged on inside terminal box
Controller and a heater, the temperature and humidity controller connect the Temperature Humidity Sensor being arranged on terminal box and heating respectively
Device, temperature and humidity controller is connected with computer, and computer is connected with printing, record, communication and alarm appliance.Transformer substation computer
Communication network and Office Area inner net computer data sharing by permission, can be wet in remote monitoring terminal box of transformer substation
Degree, temperature, heater working condition and environment temperature.
Further, the temperature and humidity controller include central processing unit, central processing unit connect respectively control unit and
Receiving unit；The receiving unit connects Temperature Humidity Sensor, and described control unit connection heater controls the keying of heater.
Further, the Temperature Humidity Sensor includes being arranged on terminal box outside Temperature Humidity Sensor A and is arranged on end
Temperature Humidity Sensor B inside sub- case.
Further, the central processing unit uses CH372 chips, is provided with the RS485 interfaces being connected with computer.
Further, the heater compartment is closed using aluminium alloy radiating profile material in heater box body provided with nickel chromium triangle
Golden heating wire.
Further, the heater is introduced using 220 volts of AC powers directly from the electric contact terminal of terminal box,
The relay for the control unit being connected in temperature and humidity controller.
Further, the computer network uses MIS fiber optic networks, virtual private network router using network system,
A permanent virtual link connection is set up, in Office Area remote monitoring terminal box of transformer substation.
The beneficial effects of the utility model are：Terminal box of transformer substation temperature and humidity control device is connected by temperature and humidity controller
Temperature Humidity Sensor A and Temperature Humidity Sensor B, at the same in measurement terminal case case, the outer humiture information of case, and by the information transfer
To computer, dew point in outlet can be calculated, then according to the difference in case, outside case between humiture, condition judgement is carried out；Pass through
Temperature and humidity controller random start closes heater, and the condition that destruction dew point is produced is actively anti-condensation, may be sent out in condensation
Just it is controlled before life, is optimally controlled effect；And can be realized to each terminal box of transformer station by computer techno-stress
Warm and humid degrees of data carries out continual detection, Temperature and Humidity Control, overload alarm, record and data storage, the inquiry of 24 hours.
Office Area inner net computer and transformer station can be built up one and shared at a distance by network system of the present utility model
Network, can in remote monitoring terminal box of transformer substation humidity, temperature, heater working condition and environment temperature.
The utility model can be by the real-time measurement of environment temperature, terminal box internal temperature and humidity, and terminal box is hollow
Gas dew point is calculated, and controls heater；With reference to weather forecast, the heat time is pre-seted, the generation of condensation is effectively prevented.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model temperature and humidity controller schematic diagram.
In figure：1- Temperature Humidity Sensors A；2- Temperature Humidity Sensors B；3- temperature and humidity controllers；4- heaters；5- terminals
Case；6- computers；7- computer peripheral unit parts.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
As shown in figure 1, the utility model monitors the device of terminal box of transformer substation humiture, including installed in Outdoor Terminal Case
Temperature and humidity controller 3 and heater 4 inside 5, the humiture biography of temperature and humidity controller 3 respectively with being arranged in terminal box 5 casees
Sensor B2 and the Temperature Humidity Sensor A1 electrical connections being arranged on outside terminal box 5 casees, can be gathered in terminal box 5 casees and outside case simultaneously
Temperature and humidity information, the control unit of temperature and humidity controller 3 is connected with heater 4, and the control for passing through control unit is performed
Element is controlled to the on/off of heater 4, so as to control the heating of heater 3 or close heating；Temperature and Humidity Control
Device 3 is with computer 6 by RS485 interfaces, and using cable connection, computer peripheral unit part 7 includes printing, record, communication and reported
The device such as alert.
As shown in Fig. 2 temperature and humidity controller 3 is arranged on inside Outdoor Terminal Case 5 casees, temperature and humidity controller 3 includes center
Processor and control unit and receiving unit, and RS485 interfaces are provided with, central processing unit uses CH372 chips.Receiving unit
Temperature Humidity Sensor A1 and Temperature Humidity Sensor B2 humiture information can be received, control unit, which can be opened or closed, to be added
Hot device 4；Temperature and humidity controller 3 is gathered in terminal box 5 casees simultaneously, the temperature and humidity information outside case, passes through central processing unit pair
The information is compared, the temperature difference adjusting method being previously set according to program, starts the control executive component action of control unit,
So as to which the heating for controlling heater 4 is opened or heating is closed, make the temperature inside the box of terminal box 3 all the time than the temperature outside terminal box 3 casees
Spend high 1-3 DEG C, be allowed to not possess the condition of condensation generation, play pre- anti-condensation effect.The limit of humiture can be set simultaneously
Definite value, heats and dehumidifies according to setting automatic start or closing heater 4.
In addition, heater 4 is using special aluminium alloy radiating profile material and high-quality nichrome heating wire, with volume
Small, good appearance, radiating is uniform, heat transfer is fast, area of dissipation is big, long lifespan the advantages of, so as to ensure that supporting power equipment
Product can be reliably and with long-term work.
The power supply of heater 4 and temperature and humidity controller 3 can be introduced from the inside electric contact terminal of terminal box 5, this practicality
In new, heater 4 is introduced directly from the electric contact terminal of terminal box 5 using 220 volts of exchanges, is passed through temperature and humidity controller 3
In control unit control executive component be control relay circuit folding；The chip of temperature and humidity controller 3 is 4 volts of electricity of direct current
Source is directly provided by computer.
Computer 6 is placed in supervisory control of substation room as supervisory control of substation computer, the LAN with transformer substation system
Connection；Temperature and humidity controller 3 is respectively provided with RS485 interfaces with computer 6, by cable connection, computer 6 and Temperature and Humidity Control
Data communication can be realized by RS485 interfaces between device 3, temperature and humidity controller 3 can be configured by computer 6,
Control, detection, display；Control computer 6 is connected with computer peripheral unit part 7, computer peripheral unit part 7 include printing, record,
Communication and alarm appliance, can print, store relevant information, the humiture state of transfiniting can be reported by alarm appliance
It is alert, transformer substation system LAN can be accessed by communication interface, realize that network information is shared；Computer 6 can also pass through
61850 standard interfaces, convenient access digital transformer substation.
, can also be to 10kV high voltage power distributions by increasing temperature and humidity controller 3 humiture information gathering point and control output
Room multiple spot humiture is monitored in real time, and air-conditioning, dehumidifier, indoor ventilator can be automatically controlled.
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
1. terminal the temperature inside the box, humidity and terminal box external environment temperature are gathered in real time, according to the temperature and humidity collected
The maximum temperature (condensation point) of terminal box air condensation is calculated, and calculates 10 DEG C of the dew point average value of current time frame,
Then 10 DEG C of the condensation point of terminal box inner air；
2. terminal box internal temperature or terminal box outside temperature are detected at or below 10 DEG C；
3. start heating component, until case external environment temperature is higher than 10 DEG C；
4. according to weather forecast, if to weather temperature when 5 at 10 DEG C or less during night 2, being arrived when setting subscription time 2
Start heater when 5, until case external environment temperature is higher than 10 DEG C.
The example described above for giving a limited range is made that detailed description to the utility model, it is impossible to assert this
The embodiment of utility model is only limitted to this, for the utility model person of an ordinary skill in the technical field, all
Any simple modification and equivalent structure transformation or modification made according to the utility model Spirit Essence, belong to the utility model institute
The protection domain that claims of submission are determined.
Claims (6)
1. a kind of device for monitoring terminal box of transformer substation humiture, it is characterised in that be at least arranged on terminal box (5) including one
Internal temperature and humidity controller (3) and a heater (4), the temperature and humidity controller (3) connect be arranged on terminal box respectively
(5) Temperature Humidity Sensor and heater (4) on, temperature and humidity controller (3) are connected with computer (6), and computer (6) is connected with
Printing, record, communication and alarm appliance.
2. the device of monitoring terminal box of transformer substation humiture according to claim 1, it is characterised in that the humiture control
Device (3) processed includes central processing unit, and central processing unit connects control unit and receiving unit respectively；The receiving unit connection temperature
Humidity sensor, the keying of described control unit connection heater (4) control heater (4).
3. the device of monitoring terminal box of transformer substation humiture according to claim 1 or 2, it is characterised in that described warm and humid
Degree sensor includes being arranged on the outside Temperature Humidity Sensor A (1) of terminal box (5) and is arranged on the internal humiture of terminal box (5)
Sensor B (2).
4. the device of monitoring terminal box of transformer substation humiture according to claim 2, it is characterised in that the center processing
Device uses CH372 chips, is provided with the RS485 interfaces being connected with computer.
5. the device of monitoring terminal box of transformer substation humiture according to claim 1, it is characterised in that the heater
(4) casing is provided with nichrome heating wire using aluminium alloy radiating profile material in heater box body.
6. the device of monitoring terminal box of transformer substation humiture according to claim 5, it is characterised in that the heater
(4) using 220 volts of AC powers, introduced directly from the electric contact terminal of terminal box (5), be connected to temperature and humidity controller (3)
In control unit relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134716.XU CN206479862U (en) | 2017-02-14 | 2017-02-14 | A kind of device for monitoring terminal box of transformer substation humiture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134716.XU CN206479862U (en) | 2017-02-14 | 2017-02-14 | A kind of device for monitoring terminal box of transformer substation humiture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206479862U true CN206479862U (en) | 2017-09-08 |
Family
ID=59748287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720134716.XU Active CN206479862U (en) | 2017-02-14 | 2017-02-14 | A kind of device for monitoring terminal box of transformer substation humiture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206479862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267259A (en) * | 2021-05-18 | 2021-08-17 | 国网河北省电力有限公司清河县供电分公司 | Terminal box warning device |
-
2017
- 2017-02-14 CN CN201720134716.XU patent/CN206479862U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267259A (en) * | 2021-05-18 | 2021-08-17 | 国网河北省电力有限公司清河县供电分公司 | Terminal box warning device |
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