CN209028464U - Reduce the control system of terminal box heater error control rate - Google Patents
Reduce the control system of terminal box heater error control rate Download PDFInfo
- Publication number
- CN209028464U CN209028464U CN201920018056.8U CN201920018056U CN209028464U CN 209028464 U CN209028464 U CN 209028464U CN 201920018056 U CN201920018056 U CN 201920018056U CN 209028464 U CN209028464 U CN 209028464U
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- China
- Prior art keywords
- terminal box
- chip microcontroller
- heater
- temperature sensor
- control system
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- 238000009413 insulation Methods 0.000 claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000013021 overheating Methods 0.000 claims description 5
- 238000009529 body temperature measurement Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Control Of Temperature (AREA)
Abstract
The utility model discloses a kind of control system for reducing terminal box heater error control rate, including connect with heater manual switch, the first temperature sensor, second temperature sensor and the counter that the single-chip microcontroller and the single-chip microcontroller that are connect with heater by pyrostat and cryostat connect respectively；The terminal block or insulation position nearest apart from heater is arranged in first temperature sensor；The second temperature sensor is mounted on the tank wall apart from heater distalmost end of terminal box, and thermal insulation layer is arranged between second temperature sensor and tank wall.
Description
Technical field
The utility model relates to a kind of control systems for reducing terminal box heater error control rate.
Background technique
Outdoor box (cabinet) body (switch terminal case, voltage transformer terminal box, headstock, central console, oil chromatography on-line monitoring
Terminal box, maintenance power box etc., hereinafter referred to as terminal box) it is the equipment such as outdoor electrical equipment and indoor observing and controlling, protection, communication
The intermediate link of connection, and secondary insulating situation will directly affect the safe and stable operation of secondary circuit in terminal box.Terminal box
Outdoor environment is in operation for a long time, changing vulnerable to external environment influences, and causes condensation in terminal box, secondary insulating dampness mould
Deteriorating etc., therefore the mode that heating and dehumidification is usually taken drives tide, but excessively heating will lead to the abnormal of secondary insulating again
Aging brings great challenge to the safe and stable operation of secondary cable in case.But current terminal box heater is easy
The case where now miscarrying or accidentally moving back for a long time.
Utility model content
The purpose of the utility model is to provide a kind of control systems for reducing terminal box heater error control rate, to solve
The problem of existing terminal box heater control is easy to appear the case where miscarrying or accidentally moving back for a long time.
In order to solve the above technical problems, the utility model provides a kind of control for reducing terminal box heater error control rate
System, including connect with heater manual switch, respectively connect with heater by pyrostat and cryostat
Single-chip microcontroller and the first temperature sensor, second temperature sensor and the counter of single-chip microcontroller connection；First temperature
The terminal block or insulation position nearest apart from heater is arranged in sensor；The second temperature sensor be mounted on terminal box away from
On tank wall from heater distalmost end, and thermal insulation layer is set between second temperature sensor and tank wall.
Further, which further includes the display connecting with institute single-chip microcontroller.
Further, which further includes the season switching switch connecting with single-chip microcontroller.
Further, the single-chip microcontroller, counter, display and season switching switch are integrated in a controller housing
Interior, the controller housing is externally provided with transparent heat-insulated cover.
Further, which further includes the alarm connecting with institute single-chip microcontroller.
Further, which further includes the overheating protection circuit connecting with single-chip microcontroller.
Further, which further includes the ZigBee module connecting with the single-chip microcontroller.
Further, which further includes the remote monitoring terminal connecting with the ZigBee module.
The utility model has the following beneficial effects: when working normally, by pyrostat and cryostat to terminal box
Interior temperature is controlled, at the same by the first temperature sensor and second temperature sensor in terminal box minimum temperature and
Maximum temperature is detected, when the intracorporal minimum temperature of case and maximum temperature are persistently more than or less than threshold value, then to high temperature control
Device and cryostat processed send enabling signal force start and realize that the temperature in terminal box is adjusted；Also, it is counted by setting
Device can count the maloperation of pyrostat and cryostat, when maloperation frequency is excessively high, then issue alarm
Signal reminds staff to overhaul or repair in time；In addition, thermal insulation layer is set between second temperature sensor and tank wall, i.e., second
There are air heat insulations between temperature sensor and tank wall, can avoid second temperature sensing and are interfered by ambient temperature.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, at this
The same or similar part, the illustrative embodiments and their description of the application are indicated using identical reference label in a little attached drawings
For explaining the application, do not constitute an undue limitation on the present application.In the accompanying drawings:
Fig. 1 is the structural block diagram of the utility model one embodiment.
Specific embodiment
The control system of reduction terminal box heater error control rate as shown in Figure 1, including the hand being connect with heater
Dynamic switch, the single-chip microcontroller and the single-chip microcontroller being connect respectively by pyrostat and cryostat with heater connect
First temperature sensor, second temperature sensor and counter；First temperature sensor is arranged nearest apart from heater
Terminal block or insulation position；The second temperature sensor is mounted on the tank wall apart from heater distalmost end of terminal box, and
Thermal insulation layer is set between second temperature sensor and tank wall.Wherein, STM32F0 series monolithic, Yong Huke can be used in single-chip microcontroller
Selection the first temperature sensor compatible with the single-chip microcontroller, second temperature sensor and counter as needed, this
No longer the model of the first temperature sensor, second temperature sensor and counter is enumerated at place.
According to heat transfer theory it is found that the terminal block or insulation position nearest apart from heater are the point nearest from heater,
Therefore it is selected as high temperature measurement point, the tank wall apart from heater distalmost end is temperature minimum point, is most easy condensation point, therefore is selected as low temperature
Measurement point.When normal work, the temperature in terminal box is controlled by pyrostat and cryostat, is passed through simultaneously
First temperature sensor and second temperature sensor in terminal box minimum temperature and maximum temperature detect, when in cabinet
Minimum temperature and maximum temperature when being persistently more than or less than threshold value, then send starting letter to pyrostat and cryostat
Number force start realizes that the temperature in terminal box is adjusted；Also, it, can be to pyrostat and low temperature control by setting counter
The maloperation (i.e. heater error control) of device processed is counted, when maloperation frequency is excessively high or maloperation number is excessive, then
Issuing alarm signal reminds staff to overhaul or repair in time；In addition, being arranged between second temperature sensor and tank wall heat-insulated
Layer, i.e., there are air heat insulations between second temperature sensor and tank wall, can avoid second temperature sensing by ambient temperature
Interference.
According to one embodiment of the application, which further includes the display connecting with institute single-chip microcontroller, can be to terminal
The temperature inside the box and maloperation number are shown.
According to one embodiment of the application, which further includes the season switching switch connecting with single-chip microcontroller.Season cuts
Switch is changed to be used for.Since environment temperature can be with seasonal variations, the application is by switching switch setting season according to Various Seasonal temperature
Threshold value in degree variation adjustment terminal box body.
According to one embodiment of the application, the single-chip microcontroller, counter, display and season switching switch are integrated in one
In a controller shell body, the controller housing is externally provided with transparent heat-insulated cover, can prevent the intracorporal high temperature of case from influencing each component
Working performance and service life
According to one embodiment of the application, which further includes the overheating protection circuit connecting with single-chip microcontroller.Work as monolithic
When the temperature of machine reaches certain threshold value, then alarm signal is sent to remote monitoring terminal, when Chip Microprocessor Temperature overheat, then can led to
It crosses overheating protection circuit and realizes overheating protection, to improve entire whole service life.
According to one embodiment of the application, which further includes the alarm connecting with institute single-chip microcontroller.The alarm
Including the loudspeaker and indicator light connecting with the single-chip microcontroller, the indicator light includes the LED light of multiple colors, each color
LED light correspond to different police instructions.
According to one embodiment of the application, which further includes the ZigBee module connecting with the single-chip microcontroller.Work
In the process, collected temperature data, heater error control number and alarm signal etc. can be sent to long-range monitoring eventually
End.
According to one embodiment of the application, which further includes the long-range monitoring end connecting with the ZigBee module
End.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (8)
1. a kind of control system for reducing terminal box heater error control rate, which is characterized in that including what is connect with heater
Manual switch, the single-chip microcontroller and the single-chip microcontroller being connect respectively by pyrostat and cryostat with heater connect
The first temperature sensor, second temperature sensor and counter；First temperature sensor setting apart from heater most
Close terminal block or insulation position；The second temperature sensor is mounted on the tank wall apart from heater distalmost end of terminal box,
And thermal insulation layer is set between second temperature sensor and tank wall.
2. the control system according to claim 1 for reducing terminal box heater error control rate, which is characterized in that this is
System further includes the display connecting with institute single-chip microcontroller.
3. the control system according to claim 2 for reducing terminal box heater error control rate, which is characterized in that this is
System further includes the season switching switch connecting with single-chip microcontroller.
4. the control system according to claim 3 for reducing terminal box heater error control rate, which is characterized in that described
Single-chip microcontroller, counter, display and season switching switch are integrated in a controller shell body, and the controller housing is externally provided with
Transparent heat-insulated cover.
5. the control system according to claim 4 for reducing terminal box heater error control rate, which is characterized in that this is
System further includes the alarm connecting with institute single-chip microcontroller.
6. the control system according to claim 5 for reducing terminal box heater error control rate, which is characterized in that this is
System further includes the overheating protection circuit connecting with single-chip microcontroller.
7. the control system according to claim 6 for reducing terminal box heater error control rate, which is characterized in that this is
System further includes the ZigBee module connecting with the single-chip microcontroller.
8. the control system according to claim 7 for reducing terminal box heater error control rate, which is characterized in that this is
System further includes the remote monitoring terminal connecting with the ZigBee module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920018056.8U CN209028464U (en) | 2019-01-04 | 2019-01-04 | Reduce the control system of terminal box heater error control rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920018056.8U CN209028464U (en) | 2019-01-04 | 2019-01-04 | Reduce the control system of terminal box heater error control rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209028464U true CN209028464U (en) | 2019-06-25 |
Family
ID=66911778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920018056.8U Active CN209028464U (en) | 2019-01-04 | 2019-01-04 | Reduce the control system of terminal box heater error control rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209028464U (en) |
-
2019
- 2019-01-04 CN CN201920018056.8U patent/CN209028464U/en active Active
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