CN204535750U - A kind of energy-saving type frequency conversion device on-Line Monitor Device - Google Patents
A kind of energy-saving type frequency conversion device on-Line Monitor Device Download PDFInfo
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- CN204535750U CN204535750U CN201520125861.2U CN201520125861U CN204535750U CN 204535750 U CN204535750 U CN 204535750U CN 201520125861 U CN201520125861 U CN 201520125861U CN 204535750 U CN204535750 U CN 204535750U
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Abstract
The utility model provides a kind of energy-saving type frequency conversion device on-Line Monitor Device, mainly comprise frequency converter, linked switch, current detecting unit, voltage detection unit, radio temperature sensor, data acquisition module, data processing module, microprocessor, frequency converter state detection module, power module, linked switch comprises two normal open switch, a normally closed switch, power module connects frequency converter respectively, current detecting unit, voltage detection unit, frequency converter connects radio temperature sensor, by gathered voltage, electric current, the parameter informations such as temperature are sent to data processing module by data acquisition module, data processing module, frequency converter state detection module connects microprocessor, display unit and warning device is connected by wireless communication apparatus, the utility model strong anti-interference performance, can accurate Real-Time Monitoring frequency converter running status also energy faults information in time.
Description
Technical field:
The utility model relates to a kind of monitoring device, particularly relates to a kind of energy-saving type frequency conversion device on-Line Monitor Device.
Background technology:
At present, along with the continuous application of modern power electronics technology, microelectric technique, photoelectric technology and new material, the development of frequency converter is also maked rapid progress, not only can compare favourably with DC speed regulation technology in control accuracy, and also have in volume, energy consumption, weight and greatly reduce, anti-interference and environmental suitability also improves greatly.
Due to frequency control, to have speed adjustable range wide, adjusting speed accuracy is high, the advantages such as dynamic response is good, in many application needing precise speed to control, frequency converter is playing the remarkable effect of lifting process quality and production efficiency, along with dark people's development of China market economy, consumption reduction and put forward the referred critical role of effect, device energy conservation transformation is imperative, therefore frequency control obtains in the industrial production and applies more and more widely and obtain good effect, but because frequency converter often breaks down, diagnosis at present for frequency converter failure is all the experience relying on technician substantially, not only maintenance cycle is long, rate of correct diagnosis is low, and consume a large amount of manpower, material resources, have a strong impact on production, voltage/current detection often uses expensive specialized voltages/current sensor at present simultaneously, failure rate is high, volume is fixed, larger, can not apply in a flexible way in space, interference free performance is poor.
Utility model content:
In order to solve the problem, it is strong that the utility model provides a kind of jamming performance, can accurate Real-Time Monitoring frequency converter running status can the technical scheme of faults information in time:
A kind of energy-saving type frequency conversion device on-Line Monitor Device, mainly comprise frequency converter, linked switch, current detecting unit, voltage detection unit, radio temperature sensor, data acquisition module, data processing module, microprocessor, frequency converter state detection module, power module, power module connects frequency converter respectively, current detecting unit, voltage detection unit, frequency converter connects radio temperature sensor and connection data acquisition module, data acquisition module connection data processing module, frequency converter state detection module is connected microprocessor with data processing module output terminal, microprocessor connects display unit and warning device by wireless communication module, data processing module and microprocessor be connection data memory module also.
As preferably, linked switch comprises normal open switch A, normal open switch B, normally closed switch, and power module connects frequency converter by normal open switch B, and inverter output terminal connects normal open switch, normal open switch A also connects normal open switch B, and normally closed switch two ends parallel connection frequency conversion device also connects load.
As preferably, voltage detection unit comprises two-way resistance in series, resistance A resistance in series B successively, resistance C, resistance D, resistance E, resistance F, resistance G also accesses operational amplifier A input end tripod in the same way, operational amplifier A is input end tripod parallel resistance O in the same way, electric capacity C ground connection, resistance H resistance in series I successively, resistance J, resistance K, resistance L, resistance M, resistance N also accesses operational amplifier A reverse input end two pin, operational amplifier A reverse input end two pin parallel resistance P, resistance Q, electric capacity F also enters operational amplifier B five pin, operational amplifier A octal, operational amplifier A four pin connects electric capacity D respectively, electric capacity E ground connection, diode A, diode B, diode C, diode D composes in parallel bridge circuit access positive-negative power, operational amplifier B seven pin contact resistance R, the operational amplifier B six pin contact resistance R other end, two-way resistance in series connects filter capacitor A respectively, electric capacity B ground connection.
The beneficial effects of the utility model are:
(1) the utility model adopts data acquisition module to current detecting unit, voltage detection unit and data collection that temperature sensor is surveyed, then the signal collected is delivered to data processing module, data processing module converts the various signals collected to required physical quantity, and this tittle will show on a display panel simultaneously.Data after conversion are also delivered to microprocessor and are compared and judge whether frequency converter breaks down, can accurate Real-Time Monitoring frequency converter running status can faults information in time.
(2) current/voltage detecting unit of the present utility model, tested end not only can reliably be isolated, and carry out voltage, the ingenious sampling of electric current, and regulate the enlargement factor of difference operational amplifying circuit, the voltage that difference operational amplifying circuit is outputed signal, electric current, with signal voltage synchronous linear change, have the advantage of dependable performance, strong anti-interference performance.
Accompanying drawing illustrates:
Fig. 1 is syndeton schematic diagram of the present utility model;
Fig. 2 is voltage/current detection element circuit figure of the present utility model.
Embodiment:
For making goal of the invention of the present utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, a kind of energy-saving type frequency conversion device on-Line Monitor Device, mainly comprises frequency converter 1, linked switch, current detecting unit 2, voltage detection unit 3, radio temperature sensor 4, data acquisition module 5, data processing module 6, microprocessor 7, frequency converter state detection module 8, power module 9, power module 9 connects frequency converter 1 respectively, current detecting unit 2, voltage detection unit 3, frequency converter 1 connects radio temperature sensor 4 and connection data acquisition module 5, data acquisition module 5 connection data processing module 6, frequency converter state detection module 8 is connected microprocessor 7 with data processing module 6 output terminal, microprocessor 7 connects display unit 11 and warning device 12 by wireless communication module 10, data processing module 6 and microprocessor 7 also connection data memory module 13, linked switch comprises normal open switch A K2, normal open switch B K3, normally closed switch K1, power module 9 connects frequency converter 1 by normal open switch B K3, and frequency converter 1 output terminal connects normal open switch A K2, and normal open switch A K2 also connects normal open switch B K3, and normally closed switch K1 two ends parallel connection frequency conversion device 1 also connects load 14.The utility model adopts data acquisition module to current detecting unit, voltage detection unit and data collection that temperature sensor is surveyed, then the signal collected is delivered to data processing module, data processing module converts the various signals collected to required physical quantity, and this tittle will show on a display panel simultaneously.Data after conversion are also delivered to microprocessor and are compared and judge whether frequency converter breaks down, energy is Real-Time Monitoring frequency converter running status also energy faults information in time accurately, Microprocessor S3C44B0X frequency converter state detection module can obtain the related data under power frequency, converting operation state respectively, effective real-time, the accuracy ensureing energy-conservation detection.
As shown in Figure 2, voltage/current detection circuit comprises two-way resistance in series, resistance A R1 resistance in series B R2 successively, resistance C R3, resistance D R4, resistance E R5, resistance F R6, resistance G R7 also accesses operational amplifier UA input end tripod UA3 in the same way, and operational amplifier UA is input end tripod UA3 parallel resistance O R15 in the same way, electric capacity C C3 ground connection, resistance H R8 resistance in series I R9 successively, resistance J R10, resistance K R11, resistance L R12, resistance M R13, resistance N R14 also accesses operational amplifier A UA reverse input end two pin UA2, operational amplifier A UA reverse input end two pin UA2 parallel resistance P R16, resistance Q R17, electric capacity F C6 also enters operational amplifier B UB five pin UB5, operational amplifier A UA octal UA8, operational amplifier A UA tetra-pin UA4 connects electric capacity D C4 respectively, electric capacity E C5 ground connection, diode A D1, diode B D2, diode C D3, diode D D4 composes in parallel bridge circuit access positive-negative power, operational amplifier B UB seven pin UB7 contact resistance R R18, the operational amplifier B UB six pin UB6 contact resistance R R18 other end, and two-way resistance in series connects filter capacitor A C1 respectively, electric capacity B C2 ground connection.First detected voltage carry out series connection dividing potential drop through resistance A R1 ~ resistance N R14, one tunnel is through resistance A R1-resistance G R7 dividing potential drop, another road is through resistance H R8-resistance N R14 dividing potential drop, high voltage is realized to fall into low-voltage according to a certain percentage, electric capacity A C1, electric capacity B C2 smoothly uses as low-voltage filter, make step-down send direct current here and become more level and smooth, and reduce ripple minimizing interference, diode A D1, diode B D2, diode C D3, diode D D4 receives positive-negative power both positive and negative polarity, its effect is to ensure that input generating positive and negative voltage amplitude limit is within 0.5-0.7V scope, effectively prevent because voltage fluctuation avoids rear class amplifier input end to burn out operational amplifier because voltage is high, current/voltage detecting unit of the present utility model, tested end not only can reliably be isolated, and carry out voltage, the ingenious sampling of electric current, and regulate the enlargement factor of difference operational amplifying circuit, make the voltage that difference operational amplifying circuit outputs signal, electric current is with signal voltage synchronous linear change, there is dependable performance, the advantage of strong anti-interference performance.
Above-described embodiment is preferred embodiment of the present utility model; it is not the restriction to technical solutions of the utility model; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of the utility model patent.
Claims (3)
1. an energy-saving type frequency conversion device on-Line Monitor Device, mainly comprise frequency converter (1), linked switch, current detecting unit (2), voltage detection unit (3), radio temperature sensor (4), data acquisition module (5), data processing module (6), microprocessor (7), frequency converter state detection module (8), power module (9), it is characterized in that: described power module (9) connects described frequency converter (1) respectively, described current detecting unit (2), described voltage detection unit (3), described frequency converter (1) connects described radio temperature sensor (4) and connects described data acquisition module (5), described data acquisition module (5) connects described data processing module (6), described frequency converter state detection module (8) is connected described microprocessor (7) with described data processing module (6) output terminal, described microprocessor (7) connects display unit (11) and warning device (12) by wireless communication module (10), described data processing module (6) and described microprocessor (7) also connection data memory module (13).
2. a kind of energy-saving type frequency conversion device on-Line Monitor Device according to claim 1, it is characterized in that: described linked switch comprises normal open switch A (K2), normal open switch B (K3), normally closed switch (K1), described power module (9) connects described frequency converter (1) by normal open switch B (K3), described frequency converter (1) output terminal connects described normal open switch A (K2), described normal open switch A (K2) also connects normal open switch B (K3), described normally closed switch (K1) two ends described frequency converter (1) in parallel also connects load (14).
3. a kind of energy-saving type frequency conversion device on-Line Monitor Device according to claim 1, it is characterized in that: described voltage detection unit (3) comprises two-way resistance in series, resistance A (R1) is resistance in series B (R2) successively, resistance C (R3), resistance D (R4), resistance E (R5), resistance F (R6), resistance G (R7) also accesses operational amplifier (AUA) input end tripod (UA3) in the same way, and operational amplifier A (UA) is input end tripod (UA3) parallel resistance O (R15) in the same way, electric capacity C (C3) ground connection, resistance H (R8) is resistance in series I (R9) successively, resistance J (R10), resistance K (R11), resistance L (R12), resistance M (R13), resistance N (R14) also accesses operational amplifier A (UA) reverse input end two pin (UA2), operational amplifier A (UA) reverse input end two pin (UA2) parallel resistance P (R16), resistance Q (R17), electric capacity F (C6) also enters operational amplifier B (UB) five pin (UB5), operational amplifier A (UA) octal (UA8), operational amplifier A (UA) four pin (UA4) connects electric capacity D (C4) respectively, electric capacity E (C5) ground connection, diode A (D1), diode B (D2), diode C (D3), diode D (D4) composes in parallel bridge circuit access positive-negative power, operational amplifier B (UB) seven pin (UB7) contact resistance R (R18), operational amplifier B (UB) six pin (UB6) contact resistance R (R18) other end, two-way resistance in series connects filter capacitor A (C1) respectively, electric capacity B (C2) ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520125861.2U CN204535750U (en) | 2015-03-02 | 2015-03-02 | A kind of energy-saving type frequency conversion device on-Line Monitor Device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520125861.2U CN204535750U (en) | 2015-03-02 | 2015-03-02 | A kind of energy-saving type frequency conversion device on-Line Monitor Device |
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| CN204535750U true CN204535750U (en) | 2015-08-05 |
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| CN201520125861.2U Expired - Fee Related CN204535750U (en) | 2015-03-02 | 2015-03-02 | A kind of energy-saving type frequency conversion device on-Line Monitor Device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964534A (en) * | 2018-08-21 | 2018-12-07 | 惠州市蓝微电子有限公司 | A kind of noninductive control circuit of DC brushless motor |
| CN108957299A (en) * | 2018-08-22 | 2018-12-07 | 国网江苏省电力有限公司盐城供电分公司 | A kind of multiple-level serially connected inversion detection tester for electronic circuit fault based on output signal acquisition |
| CN113945781A (en) * | 2021-09-06 | 2022-01-18 | 上海宝康电子控制工程有限公司 | Frequency converter detection system and method |
-
2015
- 2015-03-02 CN CN201520125861.2U patent/CN204535750U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108964534A (en) * | 2018-08-21 | 2018-12-07 | 惠州市蓝微电子有限公司 | A kind of noninductive control circuit of DC brushless motor |
| CN108957299A (en) * | 2018-08-22 | 2018-12-07 | 国网江苏省电力有限公司盐城供电分公司 | A kind of multiple-level serially connected inversion detection tester for electronic circuit fault based on output signal acquisition |
| CN113945781A (en) * | 2021-09-06 | 2022-01-18 | 上海宝康电子控制工程有限公司 | Frequency converter detection system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150805 Termination date: 20160302 |