CN203798913U - Intelligent multichannel heater operating state and current monitoring system - Google Patents
Intelligent multichannel heater operating state and current monitoring system Download PDFInfo
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- CN203798913U CN203798913U CN201320679553.5U CN201320679553U CN203798913U CN 203798913 U CN203798913 U CN 203798913U CN 201320679553 U CN201320679553 U CN 201320679553U CN 203798913 U CN203798913 U CN 203798913U
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- well heater
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
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Abstract
The utility model discloses an intelligent multichannel heater operating state and current monitoring system comprising a current detection assembly and a multichannel current measuring instrument. The current detection assembly comprises a PCB and more than two mutual inductors installed on the PCB. Each mutual inductor corresponds to a heater. Detection current generated in the coils of the mutual inductor is outputted by a multi-pin connector installed on the PCB. The multi-pin connector is connected with a detection current interface on the multichannel current measuring instrument through a cable and inputs the detection current into the multichannel current measuring instrument. The multichannel current measuring instrument scans and samples detection current values of multiple channels in an automatically cyclic manner. Subjected to operation processing, the detection current values of multiple channels are restored to the operating current of the heaters and the operating current is displayed. Additionally, the operating current values of the heaters are stored in an internal RAM. The intelligent multichannel heater operating state and current monitoring system has advantages of simple structure, easy installation, a wide application range, a good monitoring effect, and high function integration level.
Description
Technical field
The utility model is mainly concerned with the monitoring field of circuit working state, refers in particular to a kind of intelligent multichannel well heater duty and current monitoring system.
Background technology
In numerous prior aries, often to use " well heater ".For example, in the packing mechanical equipment fields such as existing food, pharmacy, conventionally use tunnel oven to dry the Packaging Bottle after cleaning, Packaging Bottle is carried out to high-temperature sterilization sterilization simultaneously.In traditional tunnel oven, the normal well heater using is resistance type heater, and this well heater, after using a period of time, often there will be damage, opens circuit or under powered phenomenon.
Traditional well heater working condition indicating device can only broadly detect the size of current of Heater group, by contrasting the size of current of different electrical power phase sequence group, judges whether well heater has damage.There is practitioner further to propose a kind of mode of LED light+mutual inductor that adopts and carry out on-line monitoring, but the detection system structure based on this mode is comparatively complicated, lines etc. are very inconvenient, can't Real-Time Monitoring size of current, accuracy of detection is not high enough, cannot carry out data recording and report to the police; And the heating tube of different capacity need adopt different LED lamp current-limiting resistances to solve pilot lamp brightness inconsistence problems, therefore whole scheme versatility is poor, and intelligent degree is low.
Utility model content
The technical problems to be solved in the utility model is just: the technical matters existing for prior art, the utility model provides a kind of simple in structure, easy for installation, applied widely, monitoring effect is good, functional integration is high intelligent multichannel well heater duty and current monitoring system.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of intelligent multichannel well heater duty and current monitoring system, comprise current detection component and multi channel currents measuring instrument, described current detection component comprises pcb board and two mutual inductors that are arranged on above on pcb board, the corresponding well heater of each mutual inductor, exports by the spininess connector being arranged on pcb board the detection electric current producing in the coil of mutual inductor; Described spininess connector is connected to the detection current interface on multi channel currents measuring instrument and detection electric current is input in multi channel currents measuring instrument by cable; Described multi channel currents measuring instrument scans by the form with automatic samsara and the detection current value of a plurality of passages of sampling, after calculation process, the detection current value of each passage be reduced into the working current of each well heater and show, also the working current value of each well heater being stored in internal RAM simultaneously.
As further improvement of the utility model:
The utility model also comprises a PLC, described PLC is connected and is used for reading the working current value that is stored in each well heater in multi channel currents measuring instrument internal RAM with the communication interface on multi channel currents measuring instrument, and described PLC judges that according to the working current value reading whether the duty of well heater is normal.
Between described PLC and multi channel currents measuring instrument, by RS485, RS232, RS422, MODBUS or CANopen, completing communication is connected.
The utility model also comprises an alarm, and described alarm is connected with PLC, and when described PLC judges well heater in operation irregularity, described alarm sends sound and light alarm.
The utility model also comprises a man-machine interface, and the exchanges data of described man-machine interface by with PLC obtains working current data, and on picture, shows the state (good/bad) of the real-time working current value of each well heater and well heater corresponding to each passage.
Power supply phase line in the heating work loop of described well heater is by the center pit of mutual inductor.
Compared with prior art, the utility model has the advantage of: intelligent multichannel well heater duty of the present utility model and current monitoring system, simple in structure, easy for installation, applied widely, monitoring effect is good, functional integration is high, by mutual inductor, detect the working current in heating circuit, multi channel currents measuring instrument is sampled, calculation process, show, PLC is by mode the obtaining data from multi channel currents measuring instrument of communication, according to imposing a condition in program, sentence the duty of well heater, man-machine interface and PLC carry out on picture, showing after exchanges data and forming the history data file that can Gong review.Once the working current of well heater and state, occur extremely, system also can be with the operator keeper of the form prompt facility of sound and light alarm.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present utility model.
Fig. 2 is the scheme of installation of the utility model in concrete application example.
Fig. 3 is the schematic flow sheet of the utility model when work.
Marginal data:
1, power supply phase line; 2, zero-power line; 3, well heater; 4, mutual inductor; 5, pcb board; 501, spininess connector; 6, winding displacement cable; 7, multi channel currents measuring instrument; 701, detect current interface; 702 communication interfaces; 703 digital display tubes; 8, PLC; 9, man-machine interface; 10, alarm.
Embodiment
Below with reference to Figure of description and specific embodiment, the utility model is described in further details.
As shown in figures 1 and 3, intelligent multichannel well heater duty of the present utility model and current monitoring system, comprise current detection component and multi channel currents measuring instrument 7, current detection component comprises pcb board 5 and two mutual inductors 4 that are arranged on above on pcb board 5, by being arranged on pcb board 5(printed circuit board (PCB)) on spininess connector 501 by the detection electric current output producing in the coil of mutual inductor 4.Simultaneously, this spininess connector 501 and a winding displacement cable 6(winding displacement cable 6 are also replaceable is many split type single lines) one end be connected, the other end of winding displacement cable 6 is connected on the detection current interface 701 on multi channel currents measuring instrument 7, detects like this electric current and just by winding displacement cable 6, is input in multi channel currents measuring instrument 7.Multi channel currents measuring instrument 7 scans with the form of automatic samsara by its inside micro processor and the detection current value of a plurality of passages of sampling, and the detection current value of each passage is reduced into the working current of each well heater 3 after calculation process and returns display format with automatic wheel and be presented on the digital display tube 703 of multi channel currents measuring instrument 7, in the time of demonstration, also the working current value of each well heater 3 is stored in internal RAM.
Different accuracy of detection is required and sensing range requirement, can change the mutual inductor 4 of different no-load voltage ratios, meet the needs of various sensing ranges and accuracy of detection, in addition, because there is high-temperature condition at scene, main frame can not at high temperature work long hours, by the connected mode of mutual inductor 4-PCB plate 5 independently, avoid the monitoring system under monoblock type detection mode need to be installed to on-the-spot problem, thereby can realize remote current detecting by current delivery mode, improve the reliably working of monitoring system.
In the present embodiment: multi channel currents measuring instrument 7 adopts sampling resistor mode to realize electric current to the conversion of voltage, by control simulation switch, at a high speed the analog voltage after each current transformer conversion is carried out to gating detection, utilize AD conversion regime to realize analog voltage to the conversion of digital voltage, thereby realize the conversion process to the collection of industrial frequency AC electric current and current value.
As shown in Figure 2, power supply phase line 1, well heater 3, zero-power line 2 form heating work loop.Power supply phase line 1 in this heating work loop is by the center pit of mutual inductor 4, and the working current of realizing heating circuit detects.
In the present embodiment, also comprise a PLC 8(programmable logic controller (PLC)), PLC 8 reads with the communication modes (or other modes such as RS232, RS422, MODBUS, CANopen) of RS485 the working current value that is stored in each well heater 3 in multi channel currents measuring instrument 7 internal RAM via the communication interface 702 on multi channel currents measuring instrument 7.PLC 8 carries out calculation process and does judging according to its internal processes.At well heater 3, when working, the working current value reading meets the condition of setting in advance, is considered as well heater 3 working properly, and the working current reading does not meet the condition of setting in advance, looks well heater 3 operation irregularities.
In the present embodiment, an alarm 10 is further set, alarm 10 is connected with PLC 8, when PLC 8 judges well heaters 3 in operation irregularity, controls alarm 10 and sends the operator keeper that sound and light alarm carrys out prompt facility.
In the present embodiment, also comprise a man-machine interface 9, the exchanges data of man-machine interface 9 by with PLC 8 obtains working current data, and on picture, shows the state (good/bad) of the real-time working current value of each well heater 3 and well heater 3 corresponding to each passage.Man-machine interface 9 also can form when showing can be for reviewing historgraphic data recording file, and historgraphic data recording file can be derived, and the historgraphic data recording file of derivation can be checked, stores, print in PC.
Below be only preferred implementation of the present utility model, protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, the some improvements and modifications not departing under the utility model principle prerequisite, should be considered as protection domain of the present utility model.
Claims (6)
1. an intelligent multichannel well heater duty and current monitoring system, it is characterized in that, comprise current detection component and multi channel currents measuring instrument (7), described current detection component comprises pcb board (5) and two mutual inductors (4) that are arranged on above on pcb board (5), the corresponding well heater of each mutual inductor (4) (3), exports by the spininess connector (501) being arranged on pcb board (5) the detection electric current producing in the coil of mutual inductor (4); Described spininess connector (501) is connected to the detection current interface (701) on multi channel currents measuring instrument (7) and detection electric current is input in multi channel currents measuring instrument (7) by cable.
2. intelligent multichannel well heater duty according to claim 1 and current monitoring system, is characterized in that, also comprises a PLC (8), and described PLC (8) is connected with the communication interface (702) on multi channel currents measuring instrument (7).
3. intelligent multichannel well heater duty according to claim 2 and current monitoring system, it is characterized in that, between described PLC (8) and multi channel currents measuring instrument (7), by RS485, RS232, RS422, MODBUS or CANopen, complete communication and be connected.
4. according to intelligent multichannel well heater duty and current monitoring system described in claim 2 or 3, it is characterized in that, also comprise an alarm (10), described alarm (10) is connected with PLC (8), when described PLC (8) judges well heater (3) in operation irregularity, described alarm (10) sends sound and light alarm.
5. according to intelligent multichannel well heater duty and current monitoring system described in claim 2 or 3, it is characterized in that, also comprise a man-machine interface (9), described man-machine interface (9) obtains working current data by the exchanges data with PLC (8).
6. according to intelligent multichannel well heater duty and current monitoring system described in claim 1 or 2 or 3, it is characterized in that, the power supply phase line (1) in the heating work loop of described well heater (3) is by the center pit of mutual inductor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679553.5U CN203798913U (en) | 2013-10-31 | 2013-10-31 | Intelligent multichannel heater operating state and current monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679553.5U CN203798913U (en) | 2013-10-31 | 2013-10-31 | Intelligent multichannel heater operating state and current monitoring system |
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| CN203798913U true CN203798913U (en) | 2014-08-27 |
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| CN201320679553.5U Expired - Lifetime CN203798913U (en) | 2013-10-31 | 2013-10-31 | Intelligent multichannel heater operating state and current monitoring system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538849A (en) * | 2014-12-09 | 2015-04-22 | 许继电气股份有限公司 | Mutual inductor collecting device |
| CN107202927A (en) * | 2017-06-13 | 2017-09-26 | 芜湖桑乐金电子科技有限公司 | The self checking method of heating picture |
| TWI645199B (en) * | 2017-03-31 | 2018-12-21 | 日商阿自倍爾股份有限公司 | Degradation diagnosis device and method |
| CN110261666A (en) * | 2019-07-12 | 2019-09-20 | 江苏丰东热技术有限公司 | A kind of multi-region current test method and multi-region current detecting system |
| CN110646684A (en) * | 2018-06-27 | 2020-01-03 | 北京北方华创微电子装备有限公司 | Heater fault detection device and method, heating system and semiconductor processing equipment |
| CN111060741A (en) * | 2020-01-08 | 2020-04-24 | 广东达诚技术股份有限公司 | Multi-channel temperature control heating current detection system |
| CN113945778A (en) * | 2020-07-17 | 2022-01-18 | 中国石油化工股份有限公司 | Multi-section heating state monitoring device for electric roasting furnace |
| CN114295094A (en) * | 2022-01-06 | 2022-04-08 | 北京博格华纳汽车传动器有限公司 | Long shaft clearance value measuring instrument and measuring system |
| CN117686765A (en) * | 2023-12-05 | 2024-03-12 | 苏州艾励德智能装备有限公司 | Current monitoring system for electric heating pipe of hot core box |
-
2013
- 2013-10-31 CN CN201320679553.5U patent/CN203798913U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538849A (en) * | 2014-12-09 | 2015-04-22 | 许继电气股份有限公司 | Mutual inductor collecting device |
| TWI645199B (en) * | 2017-03-31 | 2018-12-21 | 日商阿自倍爾股份有限公司 | Degradation diagnosis device and method |
| CN107202927A (en) * | 2017-06-13 | 2017-09-26 | 芜湖桑乐金电子科技有限公司 | The self checking method of heating picture |
| CN110646684A (en) * | 2018-06-27 | 2020-01-03 | 北京北方华创微电子装备有限公司 | Heater fault detection device and method, heating system and semiconductor processing equipment |
| CN110261666A (en) * | 2019-07-12 | 2019-09-20 | 江苏丰东热技术有限公司 | A kind of multi-region current test method and multi-region current detecting system |
| CN111060741A (en) * | 2020-01-08 | 2020-04-24 | 广东达诚技术股份有限公司 | Multi-channel temperature control heating current detection system |
| CN113945778A (en) * | 2020-07-17 | 2022-01-18 | 中国石油化工股份有限公司 | Multi-section heating state monitoring device for electric roasting furnace |
| CN114295094A (en) * | 2022-01-06 | 2022-04-08 | 北京博格华纳汽车传动器有限公司 | Long shaft clearance value measuring instrument and measuring system |
| CN117686765A (en) * | 2023-12-05 | 2024-03-12 | 苏州艾励德智能装备有限公司 | Current monitoring system for electric heating pipe of hot core box |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |