CN202334956U - Electrothermal belt with sensing control circuit - Google Patents
Electrothermal belt with sensing control circuit Download PDFInfo
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- CN202334956U CN202334956U CN2011204887459U CN201120488745U CN202334956U CN 202334956 U CN202334956 U CN 202334956U CN 2011204887459 U CN2011204887459 U CN 2011204887459U CN 201120488745 U CN201120488745 U CN 201120488745U CN 202334956 U CN202334956 U CN 202334956U
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- ribbon heater
- optical fiber
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Abstract
The utility model provides an electrothermal belt with a sensing control circuit, relating to the electrothermal belt with a monitoring device, which solves the problem that fault points of the conventional electrothermal belt cannot be determined. The electrothermal belt comprises an electrothermal belt body, optical fiber, an inner sheath, a shielding layer, an outer sheath, a PC machine, an interface circuit, a control and information processing circuit, a driving and coding circuit, a signal high-speed acquisition circuit, a detection circuit, a semiconductor laser, a spectroscope and a detector, wherein the optical fiber is arranged along the length direction of the electrothermal belt body and is used for wrapping the inner sheath, the shielding layer and the outer sheath; one communication port of the PC machine is connected with the control and information processing circuit through the interface circuit; the control signal output end of the control and information processing circuit is connected with the semiconductor laser through the driving and coding circuit; laser signals are transmitted to the input end of the spectroscope and then enters the optical fiber; the laser signals returned from the optical fiber to the spectroscope are reflected to the detector; and the signal output end of the detector is connected with the control and information processing circuit through the detection circuit and the signal high-speed acquisition circuit.
Description
Technical field
The present invention relates to a kind of ribbon heater, be specifically related to have the ribbon heater of monitoring device.
Background technology
The ribbon heater can be divided into series connection and two kinds of parallel connections by its structural shape, can be divided into permanent power and limit two kinds of temperature certainly by its performance.The ribbon heater is obtaining application more and more widely at industrial circle, in the insulation of the feed-line of industries such as building, iron and steel, electric power and storage tank, anti-freezing, field widespread usage such as antifreeze; Especially on the oil storage tank and long-distance transport pipes of petroleum chemical industry, the ribbon heater has clear superiority.Its weak point is: ribbon heater length depends on the length of heated object, and distance is very long sometimes, in case certain a bit breaks down, is difficult to accurate failure judgement point, if buried pipeline, difficulty is just bigger.If accurate failure judgement point just can't on-call maintenance, cause whole piece ribbon heater cisco unity malfunction, cause the medium that is transferred to solidify, bring loss to production.
Summary of the invention
The purpose of this invention is to provide a kind of ribbon heater, to solve the accurately defective of failure judgement point of existing ribbon heater with sensing control circuit.The object of the invention is realized through following technical scheme: it comprises ribbon heater body 1, optical fiber 5, inner sheath 2, screen 3 and oversheath 4; The length direction setting of said optical fiber 5 body 1 along the ribbon heater also reclines with ribbon heater body 1 mutually; On ribbon heater body 1 and optical fiber 5 outer walls, be enclosed with inner sheath 2, screen 3 and oversheath 4 from inside to outside successively, it also comprises PC 11, interface circuit 12, control and information-processing circuit 13, driving and coding circuit 14, high-speed signal acquisition circuit 15, detection circuit 16, semiconductor laser 17, spectroscope 18 and detector 19; A COM1 of PC 11 is connected a communication ends of interface circuit 12; Another communication ends of interface circuit 12 connects a COM1 of control and information-processing circuit 13; The control signal output ends of control and information-processing circuit 13 connects the signal input part of driving and coding circuit 14; The signal output part of driving and coding circuit 14 connects the signal input end of semiconductor laser 17; The laser signal that semiconductor laser 17 sends incides the input of spectroscope 18; An end of the signal entering optical fiber 5 of spectroscope 18 is crossed in transmission, and the laser signal that turns back to spectroscope 18 from optical fiber 5 reflexes to detector 19, and the signal output part of detector 19 connects the signal input part of detection circuit 16; The signal output part of detection circuit 16 connects the signal input part of high-speed signal acquisition circuit 15, and the signal output part of high-speed signal acquisition circuit 15 connects the signal input part of control and information-processing circuit 13.
The invention has the beneficial effects as follows: optical fiber of the present invention ribbon heater, because optical fiber and ribbon heater laterally arrange, in case a bit break down in the ribbon heater; Optical fiber can real-time monitor variations in temperature; And signal carried out being uploaded on the PC after the information processing through control and information-processing circuit, thereby accurately report position of failure point, be beneficial to rapidly tissue maintenance; Make the ribbon heater in the shortest time, recover operate as normal, thereby guarantee that the medium in oil storage tank or the long-distance transport pipes is in liquid state.Because optical fiber has powerful transfer function; Semiconductor laser sends various signals through spectroscope to optical fiber; Receive the signal that returns by spectroscope, detector, high-speed signal acquisition circuit, be uploaded on the PC application software Treatment Analysis through control and information-processing circuit again; Can also monitor in real time the parameters such as pressure, flow and heated object extent of corrosion that are heated in-vivo medium, carry to guarantee media security.
Description of drawings
Fig. 1 is a structural representation of the present invention, and Fig. 2 is the A-A cutaway view of Fig. 1, and Fig. 3 is the structural representation of sensing control circuit of the present invention.
Embodiment
Embodiment one: specify this execution mode below in conjunction with Fig. 1 to Fig. 3.It comprises ribbon heater body 1, optical fiber 5, inner sheath 2, screen 3 and oversheath 4; The length direction setting of said optical fiber 5 body 1 along the ribbon heater also reclines with ribbon heater body 1 mutually; On ribbon heater body 1 and optical fiber 5 outer walls, be enclosed with inner sheath 2, screen 3 and oversheath 4 from inside to outside successively, it also comprises PC 11, interface circuit 12, control and information-processing circuit 13, driving and coding circuit 14, high-speed signal acquisition circuit 15, detection circuit 16, semiconductor laser 17, spectroscope 18 and detector 19; A COM1 of PC 11 is connected a communication ends of interface circuit 12; Another communication ends of interface circuit 12 connects a COM1 of control and information-processing circuit 13; The control signal output ends of control and information-processing circuit 13 connects the signal input part of driving and coding circuit 14; The signal output part of driving and coding circuit 14 connects the signal input end of semiconductor laser 17; The laser signal that semiconductor laser 17 sends incides the input of spectroscope 18; An end of the signal entering optical fiber 5 of spectroscope 18 is crossed in transmission, and the laser signal that turns back to spectroscope 18 from optical fiber 5 reflexes to detector 19, and the signal output part of detector 19 connects the signal input part of detection circuit 16; The signal output part of detection circuit 16 connects the signal input part of high-speed signal acquisition circuit 15, and the signal output part of high-speed signal acquisition circuit 15 connects the signal input part of control and information-processing circuit 13.
Drive and coding circuit driving semiconductor laser, send laser pulse string by certain rule encoding; Laser pulse is transmitted in the optical fiber that laterally arranges with the ribbon heater through the spectroscope coupling; Back-scattering light takes place after getting into optical fiber in laser pulse; Scattered light has three wavelength, is respectively Rayleigh (Rayleigh) light, anti-stokes (anti-Stokes) light and stokes (Stokes) light; Wherein anti-stokes light is flashlight to responsive to temperature; The stokes temperature-insensitive is reference light.Pass through spectroscope once more from the flashlight of optical fiber backscattering; Isolate the Rayleigh scattered light, see through the stokes reference light of temperature sensitive anti-stokes flashlight and temperature-insensitive, receive by detector; Behind detection circuit, gather by the signal High Speed Data Acquisition Circuit; Be uploaded on the PC through control and information-processing circuit and interface circuit again, after data processing, show fiber optic temperature-distance Curve, realize purpose the monitoring of ribbon heater heating state.
When ribbon heater body 1 breaks down somewhere; Cause the temperature at this place to change; Thermally sensitive anti-stokes light reflection occurs at this place in the laser that semiconductor laser sends, and stokes light still normally passes through temperature-insensitive, returns behind the arrival optical fiber connector.Can calculate the position that ribbon heater body 1 breaks down through the light pulse signal of detection anti-stokes reflecting part and the time difference of stokes light pulse signal arrival detector 19.
Embodiment two: specify this execution mode below in conjunction with Fig. 1.This execution mode is that ribbon heater body 1 is tandem ribbon heater or parallel type electric heating strip with the difference of execution mode one.
Embodiment three: specify this execution mode below in conjunction with Fig. 1.This execution mode is that ribbon heater body 1 is constant temperature electric heating band or self-temperature-limiting heating strip with the difference of execution mode one.
Embodiment four: specify this execution mode below in conjunction with Fig. 1.The difference of this execution mode and execution mode one is that the material of inner sheath 2 is fluoroplastics or fluorubber.
Embodiment five: specify this execution mode below in conjunction with Fig. 3.This execution mode is that oversheath 4 is fluoroplastic sleeve or fluorubber sleeve pipe with the difference of execution mode one; Screen 3 is a woven wire.
Embodiment six: specify this execution mode below in conjunction with Fig. 3.This execution mode is that it also comprises LAN interface circuit, usb circuit or RS232 interface circuit 20 with the difference of execution mode one, and said LAN interface circuit, usb circuit or RS232 interface circuit 20 are connected the another one COM1 of interface circuit 12.So be provided with, can carry out remote transmission or storage the information of controlling and information-processing circuit 13 was handled.
Embodiment seven: specify this execution mode below in conjunction with Fig. 3.This execution mode is that it also comprises LED light 21 with the difference of execution mode one, and LED light 21 is connected the shows signal output of interface circuit 12.So be provided with, interface circuit 12 is carried out the indication of operating state.
Claims (7)
1. be with the ribbon heater of sensing control circuit; It comprises ribbon heater body (1), optical fiber (5), inner sheath (2), screen (3) and oversheath (4); The length direction setting of said optical fiber (5) body (1) along the ribbon heater also reclines with ribbon heater body (1) mutually; On ribbon heater body (1) and optical fiber (5) outer wall, be enclosed with inner sheath (2), screen (3) and oversheath (4) from inside to outside successively, it is characterized in that it also comprises PC (11), interface circuit (12), control and information-processing circuit (13), driving and coding circuit (14), high-speed signal acquisition circuit (15), detection circuit (16), semiconductor laser (17), spectroscope (18) and detector (19); A COM1 of PC (11) is connected a communication ends of interface circuit (12); Another communication ends of interface circuit (12) connects a COM1 of control and information-processing circuit (13); The control signal output ends of control and information-processing circuit (13) connects the signal input part of driving and coding circuit (14); The signal output part of driving and coding circuit (14) connects the signal input end of semiconductor laser (17); The laser signal that semiconductor laser (17) sends incides the input of spectroscope (18); An end of the signal entering optical fiber (5) of spectroscope (18) is crossed in transmission; The laser signal that turns back to spectroscope (18) from optical fiber (5) reflexes to detector (19); The signal output part of detector (19) connects the signal input part of detection circuit (16), and the signal output part of detection circuit (16) connects the signal input part of high-speed signal acquisition circuit (15), and the signal output part of high-speed signal acquisition circuit (15) connects the signal input part of control and information-processing circuit (13).
2. the ribbon heater of band sensing control circuit according to claim 1 is characterized in that ribbon heater body (1) is tandem ribbon heater or parallel type electric heating strip.
3. the ribbon heater of band sensing control circuit according to claim 1 is characterized in that ribbon heater body (1) is constant temperature electric heating band or self-temperature-limiting heating strip.
4. the ribbon heater of band sensing control circuit according to claim 1, the material that it is characterized in that inner sheath (2) is fluoroplastics or fluorubber.
5. the ribbon heater of band sensing control circuit according to claim 1 is characterized in that oversheath (4) is fluoroplastic sleeve or fluorubber sleeve pipe; Screen (3) is a woven wire.
6. the ribbon heater of band sensing control circuit according to claim 1; It is characterized in that it also comprises LAN interface circuit, usb circuit or RS232 interface circuit (20), said LAN interface circuit, usb circuit or RS232 interface circuit (20) are connected the another one COM1 of interface circuit 12.
7. the ribbon heater of band sensing control circuit according to claim 1 is characterized in that it also comprises LED light (21), and LED light (21) is connected the shows signal output of interface circuit (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204887459U CN202334956U (en) | 2011-11-30 | 2011-11-30 | Electrothermal belt with sensing control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204887459U CN202334956U (en) | 2011-11-30 | 2011-11-30 | Electrothermal belt with sensing control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334956U true CN202334956U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204887459U Expired - Fee Related CN202334956U (en) | 2011-11-30 | 2011-11-30 | Electrothermal belt with sensing control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202334956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989959A (en) * | 2015-06-16 | 2015-10-21 | 大庆航天三沃新技术产业有限责任公司 | Intelligent electric heating oil and gas gathering system |
-
2011
- 2011-11-30 CN CN2011204887459U patent/CN202334956U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989959A (en) * | 2015-06-16 | 2015-10-21 | 大庆航天三沃新技术产业有限责任公司 | Intelligent electric heating oil and gas gathering system |
| CN104989959B (en) * | 2015-06-16 | 2018-04-17 | 大庆航天三沃新技术产业有限责任公司 | A kind of intelligent electric-heating oil-collecting gas gathering system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electrothermal belt with sensing control circuit Effective date of registration: 20121123 Granted publication date: 20120711 Pledgee: Keli technology investment Company limited by guarantee in Heilongjiang Province Pledgor: Daqing Aerospace Sunvalor New Technology Industrial Co., Ltd. Registration number: 2012230000021 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20131028 Granted publication date: 20120711 Pledgee: Keli technology investment Company limited by guarantee in Heilongjiang Province Pledgor: Daqing Aerospace Sunvalor New Technology Industrial Co., Ltd. Registration number: 2012230000021 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20201130 |