CN203745924U - Circuit structure of heat tracing system - Google Patents
Circuit structure of heat tracing system Download PDFInfo
- Publication number
- CN203745924U CN203745924U CN201320881325.6U CN201320881325U CN203745924U CN 203745924 U CN203745924 U CN 203745924U CN 201320881325 U CN201320881325 U CN 201320881325U CN 203745924 U CN203745924 U CN 203745924U
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- CN
- China
- Prior art keywords
- unit
- temperature
- insulation
- tracing system
- circuit structure
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000009413 insulation Methods 0.000 claims abstract description 37
- 238000012544 monitoring process Methods 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model relates to a circuit structure of a heat tracing system, comprising a power distribution unit, a display unit, an insulation monitoring unit, an insulation alarm unit, a temperature display and control unit and a temperature alarm unit. The power distribution unit is respectively connected with the display unit, the insulation monitoring unit, the insulation alarm unit, the temperature alarm unit and the temperature display and control unit. The insulation monitoring unit is connected with the insulation alarm unit. The insulation alarm unit is connected with the temperature alarm unit. The temperature alarm unit is connected with the temperature display and control unit. According to the circuit structure of the heat tracing system, the temperature inside a pipe is displayed and controlled by the temperature display and control unit, alarming is carried out for high temperature and low temperature inside the pipe, the insulation performance of a heating cable in the pipe is monitored by the insulation monitoring unit, and alarming is carried out by the insulation alarm unit when the heating cable in the pipe is not in an insulation state, which makes the whole heat tracing system high in control precision, convenient to adjust and long in service life.
Description
Technical field
the utility model relates to a kind of circuit structure, relates in particular to a kind of circuit structure of the tracing system for nuclear power station boric acid pipeline and special process pipeline.
Background technology
the equipment of pipeline tracing system is applicable to companion's heat of the special process pipelines such as nuclear power plant's BAS pipeline and chilled water, gauge pipe, to guarantee in pipeline that BAS is all the time under good environment, maintain the circulation of fluid, prevent boric acid crystallization, thereby make special process pipeline inner fluid medium in the time preventing nuclear power station generation serious accident, play the effect of extremely important key.
What but companion's heat of the special process pipelines such as the BAS pipeline that current domestic nuclear power is current and chilled water, gauge pipe adopted mostly is directly to be controlled by on-the-spot temperature controller; precision and adjustability are poor, and often can cause due to the response lag of temperature controller the crystallization danger of pipeline tracing.The security performance of nuclear power station be can not be guaranteed.
Utility model content
The utility model object is the circuit structure that the tracing system of high, easy to adjust, the stable and long service life of a kind of control accuracy is provided in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of circuit structure of tracing system, comprises power supply unit, display unit, insulating monitoring unit, insulation alarm unit, temperature indicative control unit and temperature alarming unit; Described power supply unit is for the circuit structure power supply to tracing system; Described display unit is used for the voltage of the circuit structure that shows tracing system; Described insulating monitoring unit is for carrying out insulating monitoring to ducted heating cable; Described insulation alarm unit is for receiving the information sent insulating monitoring unit and ducted heating cable not being reported to the police when the state of insulation; Described temperature indicative control unit is for carrying out temperature demonstration and control to pipe temperature; Described temperature alarming unit is for receiving the information that temperature controller sends, and to the processing of reporting to the police of high temperature and low temperature; Described power supply unit is connected with display unit, insulating monitoring unit, insulation alarm unit, temperature alarming unit and temperature indicative control unit respectively; Described insulating monitoring unit is connected with insulation alarm unit; Described insulation alarm unit is connected with temperature alarming unit; Described temperature alarming unit is connected with temperature indicative control unit.
Preferably, described temperature alarming unit is flash alarm.
Preferably, described temperature indicative control unit is electronic temperature controller.
Preferably, described display unit is voltage table.
Due to the utilization of technique scheme, the utility model compared with prior art has following advantages:
The circuit structure of a kind of tracing system of the utility model scheme, carries out temperature demonstration and control by temperature indicative control unit to the temperature in pipeline, and temperature alarming unit and temperature indicative control unit, to the processing of reporting to the police of the high temperature in pipeline and low temperature, in pipeline, be also provided with insulating monitoring unit, insulating property to ducted heating cable are monitored, and insulation alarm unit is connected with insulating monitoring unit, to ducted heating cable not in the processing of state of insulation alarm, the circuit structure of tracing system of the present utility model, utilize temperature indicative control unit pipe surface temperature is accurately controlled and ducted heating cable is carried out to insulating monitoring, and temperature alarming unit and insulation alarm unit are connected respectively, make so whole tracing system control accuracy high, easy to adjust, stable and long service life, ensure the safe operation of nuclear power station.
Brief description of the drawings
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
The circuit diagram of the circuit structure that accompanying drawing 1 is tracing system of the present utility model;
Accompanying drawing 2 is the partial enlarged drawing of A in accompanying drawing 1;
Accompanying drawing 3 is the partial enlarged drawing of B in accompanying drawing 1;
Accompanying drawing 4 is the partial enlarged drawing of C in accompanying drawing 1;
Wherein: 1, power supply unit; 2, display unit; 3, insulating monitoring unit; 4, insulation alarm unit; 5, temperature indicative control unit; 6, temperature alarming unit.
embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
The circuit structure of a kind of tracing system described in the utility model as shown in accompanying drawing 1-4, comprises power supply unit 1, display unit 2, insulating monitoring unit 3, insulation alarm unit 4, temperature indicative control unit 5 and temperature alarming unit 6; Described power supply unit 1 is for giving the circuit structure power supply of tracing system; Described display unit 2 is for showing the voltage of circuit structure of tracing system; Described insulating monitoring unit 3 is for carrying out insulating monitoring to ducted heating cable; Described insulation alarm unit 4 is for receiving the information sent insulating monitoring unit 3 and ducted heating cable not being reported to the police when the state of insulation; Described temperature indicative control unit 5 is for carrying out temperature demonstration and control to pipe temperature; The information that described temperature alarming unit 6 sends for receiving temperature indicative control unit 5, and to the processing of reporting to the police of high temperature and low temperature; Described power supply unit 1 is connected with display unit 2, insulating monitoring unit 3, insulation alarm unit 4, temperature alarming unit 6 and temperature indicative control unit 5 respectively; Described insulating monitoring unit 3 is connected with insulation alarm unit 4; Described insulation alarm unit 4 is connected with temperature alarming unit 6; Described temperature alarming unit 6 is connected with temperature indicative control unit 5; Described temperature alarming unit 6 is flash alarm; Described temperature indicative control unit 5 is electronic temperature controller; Described display unit 2 is voltage table.
The circuit structure of tracing system of the present utility model, first to electronic temperature controller setup control temperature range with send low-temperature warning and high temperature alarm, utilize transformer 001TR to select suitable voltage range, then connect power supply, on voltage table, demonstrate the variation of voltage, open master switch 100JA, MT on electronic temperature controller is a temperature element, play the effect that pipe temperature is measured, when pipe temperature lower than temperature indicative control unit set minimum temperature time, temperature element transmits signal to electronic temperature controller, relay closes, make contactor XXXJS closure, thereby allow resistance wire RS heating, accompanying heat cable heats, improve the temperature in pipeline, electronic temperature controller sends to flash alarm low temperature information simultaneously, flash alarm carries out low-temperature warning, when pipe temperature higher than electronic temperature controller set maximum temperature time, temperature element transmits signal to electronic temperature controller, relay disconnects, contactor XXXJS contact is disconnected, allow RS resistance wire stop heating, accompanying heat cable stops heating, and electronic temperature controller sends to flash alarm high temperature information simultaneously, and flash alarm carries out high temperature alarm, can ensure like this in the scope of pipe temperature in safety.
In tracing system, be also provided with insulating monitoring unit, it is connected with insulation alarm unit; When insulating monitoring unit monitors while heating cable not in state of insulation in pipeline, insulating monitoring unit sends a signal to insulation alarm unit, and insulation alarm unit sends chimes of doom, and convenient operation personnel safeguard.
The circuit structure of tracing system of the present utility model, high, easy to adjust, the stable and long service life of its control accuracy, has ensured the safe operation of nuclear power station.
Below be only concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, within all dropping on the utility model rights protection scope.
Claims (4)
1. a circuit structure for tracing system, is characterized in that: comprise power supply unit, display unit, insulating monitoring unit, insulation alarm unit, temperature indicative control unit and temperature alarming unit; Described power supply unit is for the circuit structure power supply to tracing system; Described display unit is used for the voltage of the circuit structure that shows tracing system; Described insulating monitoring unit is for carrying out insulating monitoring to ducted heating cable; Described insulation alarm unit is for receiving the information sent insulating monitoring unit and pipeline not being reported to the police when the state of insulation; Described temperature indicative control unit is for showing and control pipe temperature; Described temperature alarming unit is for receiving the information that temperature controller sends, and to the processing of reporting to the police of high temperature and low temperature; Described power supply unit is connected with display unit, insulating monitoring unit, insulation alarm unit, temperature alarming unit and temperature indicative control unit respectively; Described insulating monitoring unit is connected with insulation alarm unit; Described insulation alarm unit is connected with temperature alarming unit; Described temperature alarming unit is connected with temperature indicative control unit.
2. the circuit structure of tracing system according to claim 1, is characterized in that: described temperature alarming unit is flash alarm.
3. the circuit structure of tracing system according to claim 1 and 2, is characterized in that: described temperature indicative control unit is electronic temperature controller.
4. the circuit structure of tracing system according to claim 3, is characterized in that: described display unit is voltage table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881325.6U CN203745924U (en) | 2013-12-30 | 2013-12-30 | Circuit structure of heat tracing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881325.6U CN203745924U (en) | 2013-12-30 | 2013-12-30 | Circuit structure of heat tracing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745924U true CN203745924U (en) | 2014-07-30 |
Family
ID=51345703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881325.6U Ceased CN203745924U (en) | 2013-12-30 | 2013-12-30 | Circuit structure of heat tracing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713667A (en) * | 2013-12-30 | 2014-04-09 | 苏州市东仪自控设备有限公司 | Circuit structure of heat tracing system |
-
2013
- 2013-12-30 CN CN201320881325.6U patent/CN203745924U/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713667A (en) * | 2013-12-30 | 2014-04-09 | 苏州市东仪自控设备有限公司 | Circuit structure of heat tracing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Wuzhong District Mudu town of Suzhou city in Jiangsu province 215101 Golden Bridge Industrial Park in the Southern District (Wood Road) Patentee after: SUZHOU EAST INSTRUMENT ELECTRIC TECHNOLOGY Co.,Ltd. Address before: Suzhou City, Jiangsu province 215101 Suzhou Mudu Bridge Industrial Park Wood Road No. 309 Suzhou East Instrument Automation Equipment Co Ltd Patentee before: SUZHOU EAST-INSTRUMENT AUTOMATIC CONTROL EQUIPMENT Co.,Ltd. |
|
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20220830 Decision number of declaring invalidation: 57869 Granted publication date: 20140730 |