CN201355381Y - Real-time monitoring system for working state of high-power electric element - Google Patents
Real-time monitoring system for working state of high-power electric element Download PDFInfo
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- CN201355381Y CN201355381Y CNU200920104933XU CN200920104933U CN201355381Y CN 201355381 Y CN201355381 Y CN 201355381Y CN U200920104933X U CNU200920104933X U CN U200920104933XU CN 200920104933 U CN200920104933 U CN 200920104933U CN 201355381 Y CN201355381 Y CN 201355381Y
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model provides a monitoring system for the working state of a high-power electric element, comprising a current detection unit, a current conversion unit, a module/digital conversion unit and a processing unit; the current detection unit, the current conversion unit, the module/digital conversion unit and the processing unit are electrically connected with the monitored high-power electric element; the current detection unit measures the alternating current which flows through the high-power electric element; the current conversion unit converts the alternating current from the current detection unit into the direct current; the module/digital conversion unit converts a direct current signal from the current conversion unit into a digital current signal and then outputs the digital current signal; and the processing unit determines the working state of the high-power electric element according to the digital current signal from the module/digital conversion unit. The monitoring system for the working state of the high-power electric element can monitor the working state of the high-power electric element when a glass toughening heating furnace works.
Description
Technical field
The utility model relates to a kind of supervisory system, relates in particular to a kind of high-power electric element working status monitoring system.
Background technology
During physical toughened glass, when ordinary plate glass is heated to softening temperature (600 ℃) near glass in heating furnace, internal stress is eliminated in deformation by self, then glass is shifted out heating furnace, with the bull nozzle cold high pressure air is blowed to the two sides of glass again, make it be cooled to room temperature rapidly and equably, can make tempered glass.And in heating furnace, what adopt is to feed alternating current and produce heat and heating glass in many resistance furnace silks, if but a part of resistance furnace silk wherein opens circuit or short circuit, then can produce the too high or too low uneven temperature situation of heating furnace local temperature, thereby influence the production qualification rate of tempered glass.
And in the prior art, normally detect tempered glass that many stoves produce when defective, and just can monitor the duty of the resistance furnace silk in the heating furnace, can waste many stoves glass product like this.And, normally whether the duty of the monitored resistance stove silk of prior art equipment, the resistance furnace silk that must be heating furnace thoroughly just can carry out work after the cooling, this seems the process that simple temperature one is fallen a liter, for businessman, be not only waste of power resources, the more important thing is great waste time, human and material resources, financial resources.And, because the prior art employing is the method for the duty of artificial monitored resistance stove silk, therefore can't avoid artificial error in judgement, might be damaged in the time of can causing other related electric element dismounting, and have the danger of high pressure.
Summary of the invention
Fundamental purpose of the present utility model is to provide a kind of high-power electric element working status monitoring system, and it can monitor the duty of high-power electric element when the glass tempering heating furnace is worked.
In order to achieve the above object, the utility model provides a kind of high-power electric element working status monitoring system, it comprises current detecting unit, electric current transducing unit, A/D converter, processing unit, and described current detecting unit, described electric current transducing unit, described A/D converter, described processing unit and monitored high-power electric element are electrically connected successively;
Described current detecting unit is used for measuring the alternating current that described high-power electric element flows through;
Described electric current transducing unit is used for the alternating current from described current detecting unit is converted to DC current;
Described A/D converter is used for the dc current signal from described electric current transducing unit is converted to the output of digital current signal;
Described processing unit is used for judging the duty of described high-power electric element according to the digital current signal from described A/D converter.
Preferably, high-power electric element working status monitoring system described in the utility model also comprises prewarning unit, and described prewarning unit is connected with described processing unit, is used for carrying out early warning to the user when described processing unit determines abnormal operating state.
Preferably, high-power electric element working status monitoring system described in the utility model also comprises control module, and described control module is connected with described high-power electric element with described processing unit respectively;
Described processing unit is used for according to the digital current signal from described A/D converter, judges whether the electric current that flows through described high-power electric element is in the predefined range of current;
If judged result is to flow through the electric current of described high-power electric element less than predefined minimum current, then described processing unit sends the instruction of control conducting to described control module;
If judged result is to flow through the electric current of described high-power electric element greater than predefined maximum current, then described processing unit sends the instruction that control disconnects to described control module;
Described control module is used for disconnecting or conducting according to control described high-power electric element from the steering order of described processing unit.
Compared with prior art, high-power electric element working status monitoring system described in the utility model, can be by the electric current that passes through in the high-power electric element in the current detecting unit surveying work, thereby according to the duty of judging this high-power electric element according to the electric current that measures, and can carry out remedial measures and early warning report by control module and prewarning unit, can be more directly perceived, truer, the state that reflects institute's monitored object more accurately, and can improve simultaneously the yield rate of tempered glass, reduce all wastes, reduced the production cost of businessman.
Description of drawings
Fig. 1 is the structured flowchart of high-power electric element working state real-time monitoring described in the utility model system;
Fig. 2 is the circuit diagram of a kind of embodiment of high-power electric element working state real-time monitoring system described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the utility model is above-mentioned.
High-power electric element working status monitoring system described in the utility model, be used to monitor the duty of high-power electric element (pure resistance element), be preferably applied in toughened glass equipment, judge whether the resistance furnace silk in the heating furnace is in short circuit or off state, and make remedial measures according to judged result.
As shown in Figure 1, high-power electric element working state real-time monitoring described in the utility model system, comprise current detecting unit 11, electric current transducing unit 12, A/D converter 13, processing unit 14, control module 15 and prewarning unit 17, wherein, described current detecting unit 11, described electric current transducing unit 12, described A/D converter 13, described processing unit 14, described control module 15 and monitored high-power electric element are electrically connected successively, form a closed-loop system, thereby reach the effect of implementing monitoring fully high-power electric element.Described prewarning unit 16 is electrically connected with described processing unit 14, and described prewarning unit 16 can be according to the digital current signal of judging in the described processing unit 14, and informs the duty of the described high-power electric element of user in real time.
Described current detecting unit 11 is used for measuring the alternating current that described high-power electric element flows through;
Described electric current transducing unit 12 is used for the alternating current from described current detecting unit 11 is converted to DC current;
Described A/D converter 13 is used for the dc current signal from described electric current transducing unit 12 is converted to the output of digital current signal;
Described processing unit 14 is used for judging the duty of described high-power electric element according to the digital current signal from described A/D converter 13, and sends the control corresponding instruction to described processing unit 15;
Be the digital current signals of described processing unit 14 bases, judge whether the electric current that flows through described high-power electric element is in the predefined range of current from described A/D converter 13;
If judged result is to flow through the electric current of described high-power electric element less than predefined minimum current, then described processing unit 14 sends the instruction of controlling conducting to described control module 15, and sends the instruction that the described high-power electric element of indication opens circuit to described prewarning unit 16;
If judged result is to flow through the electric current of described high-power electric element greater than predefined maximum current, then described processing unit 14 sends the instruction that control disconnects to described control module 15, and sends the instruction of the described high-power electric element short circuit of indication to described prewarning unit 16;
Described control module 15 disconnects or conducting according to control described high-power electric element from the steering order of described processing unit 14.
According to a kind of embodiment, as shown in Figure 2, described high-power electric element working state real-time monitoring system, be used for monitoring the duty of the resistance furnace silk of tempered glass heating furnace, described current detecting unit 11 is a current transformer, and described electric current transducing unit 12 and described A/D converter 13 are integrated in the intelligent power acquisition module, and described processing unit 14 is an industrial computer, and described control module 15 comprises the trigger element (not shown) and the controllable silicon of mutual series connection.Wherein, HG9701-03 is the current transformer of */5A, and DLBS-A, B, C are A, B, the C input end of intelligent power acquisition module.
When high-power electric element working state real-time monitoring system works as shown in Figure 2, current transformer HG9101-03 measures the alternating current that flows through in three resistance heating wires respectively, and with the A of the alternating current that measures input intelligent power acquisition module DLBS, B, the C input end, alternating current is converted to DC current and is converted to the digital current signal, and described digital current signal is inputed in the industrial computer, described industrial computer is according to described digital current signal, control described trigger element, and then the triggering controllable silicon, the break-make of coming control load by controllable silicon.
In this embodiment, described prewarning unit 16 is upper industrial computer, by the resistance furnace silk of upper computer detection system operation interface to working state abnormal, promptly is in and opens circuit or the resistance furnace silk of short-circuit condition initiates to report to the police.When carrying out the port setting operation, being divided into is 6 ports, can port be set according to concrete equipment situation; And when carrying out the electrical parameter setting operation, can be according to the size of equipment, by " going up page or leaf " key and " nextpage " key on the operation interface, and adjust the quantity of parameter.
More than explanation is just illustrative for the utility model; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.
Claims (3)
1, a kind of high-power electric element working status monitoring system is characterized in that,
It comprises current detecting unit, electric current transducing unit, A/D converter and processing unit, and described current detecting unit, described electric current transducing unit, described A/D converter, described processing unit and monitored high-power electric element are electrically connected successively;
Described current detecting unit is used for measuring the alternating current that described high-power electric element flows through;
Described electric current transducing unit is used for the alternating current from described current detecting unit is converted to DC current;
Described A/D converter is used for the dc current signal from described electric current transducing unit is converted to the output of digital current signal;
Described processing unit is used for judging the duty of described high-power electric element according to the digital current signal from described A/D converter.
2, high-power electric element working status monitoring system as claimed in claim 1, it is characterized in that it also comprises prewarning unit, described prewarning unit is connected with described processing unit, be used for when described processing unit determines abnormal operating state, carrying out early warning to the user.
3, high-power electric element working status monitoring system as claimed in claim 1 or 2 is characterized in that it also comprises control module, and described control module is connected with described high-power electric element with described processing unit respectively;
Described processing unit is used for according to the digital current signal from described A/D converter, judges whether the electric current that flows through described high-power electric element is in the predefined range of current;
If judged result is to flow through the electric current of described high-power electric element less than predefined minimum current, then described processing unit sends the instruction of control conducting to described control module;
If judged result is to flow through the electric current of described high-power electric element greater than predefined maximum current, then described processing unit sends the instruction that control disconnects to described control module;
Described control module is used for disconnecting or conducting according to control described high-power electric element from the steering order of described processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920104933XU CN201355381Y (en) | 2009-01-07 | 2009-01-07 | Real-time monitoring system for working state of high-power electric element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920104933XU CN201355381Y (en) | 2009-01-07 | 2009-01-07 | Real-time monitoring system for working state of high-power electric element |
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| Publication Number | Publication Date |
|---|---|
| CN201355381Y true CN201355381Y (en) | 2009-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920104933XU Expired - Lifetime CN201355381Y (en) | 2009-01-07 | 2009-01-07 | Real-time monitoring system for working state of high-power electric element |
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| CN (1) | CN201355381Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292595A (en) * | 2016-08-28 | 2017-01-04 | 桂林市晶准测控技术有限公司 | A kind of system based on the electric element of cloud service Based Intelligent Control |
| CN109460099A (en) * | 2018-12-21 | 2019-03-12 | 煤科集团沈阳研究院有限公司 | Electrical equipment surface temperature rise current tracking examination and adjustment device and the method for inspection |
-
2009
- 2009-01-07 CN CNU200920104933XU patent/CN201355381Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292595A (en) * | 2016-08-28 | 2017-01-04 | 桂林市晶准测控技术有限公司 | A kind of system based on the electric element of cloud service Based Intelligent Control |
| CN109460099A (en) * | 2018-12-21 | 2019-03-12 | 煤科集团沈阳研究院有限公司 | Electrical equipment surface temperature rise current tracking examination and adjustment device and the method for inspection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180223 Address after: No. 328, Guanghua Road, Songjiang District science and Technology Park, Shanghai City, Shanghai Patentee after: Shanghai Beibo Glass Techn Industry Co., Ltd. Address before: 101113 Dongyi street, Tongzhou Industrial Development Zone, Beijing City, 2 Co-patentee before: Luoyang Beifang Glass Techn Co., Ltd. Patentee before: Beijing Northglass Safety Glass Co., Ltd. Co-patentee before: Shanghai Beibo Coating Technology Industry Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |
|
| CX01 | Expiry of patent term |