CN204858541U - Single LED data display power protection ware - Google Patents
Single LED data display power protection ware Download PDFInfo
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- CN204858541U CN204858541U CN201520512110.6U CN201520512110U CN204858541U CN 204858541 U CN204858541 U CN 204858541U CN 201520512110 U CN201520512110 U CN 201520512110U CN 204858541 U CN204858541 U CN 204858541U
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Abstract
The utility model discloses a single LED data display power protection ware, the singlechip twinkles through drive circuit control LED operation and voltage pilot lamp and shows running state and three phase voltage value, and through predetermined excessive pressure and under -voltage threshold value in comparison three phase voltage value and the singlechip, judge whether have excessive pressure trouble and under -voltage trouble, through the difference between the three phase voltage value that relatively detects, judge whether to exist and lack mutually or the unbalanced three phase trouble, through the operational analysis to three phase voltage value instantaneous value, obtain the phase difference between the three phase voltage value, judge whether there is wrong looks trouble, the utility model discloses above -mentioned characteristic can need the liquid crystal with the extremely low -cost data that show, is not shaded, charactron and supporting drive circuit, just the utility model discloses easy to understand's code just can be learned in 1 minute, when reading the internal data, do not need extra professional equipment, but wide application in highly automated's instrument.
Description
Technical field
The utility model relates to a kind of power supply protector, specifically relates to a kind of single LED data display power supply protector.
Background technology
Multifunctional three phase power source protector is normally with liquid crystal display or numeral method; can fault be shown over the display and show current voltage when breaking down; but; some client is contained on equipment to be needed to save cost; wish unwanted simplicity; such as do not need the client recording service data for a long time; need in addition to save space-efficient client; a lot of equipment control case is inherently very little; installation protector is entered again, and seem insufficient space, cannot install; again changing control cabinet can be pretty troublesome, also corresponding increase cost.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model proposes a kind of single LED data display power supply protector, data can be shown with very low cost, not need liquid crystal, backlight, charactron and supporting drive circuit; When reading data, do not need extra special equipment, supermatic instrument can be widely used in.
The technical solution of the utility model is achieved in that
A kind of single LED data display power supply protector, between its access three-phase alternating-current supply and three-phase electricity power consumption equipment, this power supply protector comprises single-chip microcomputer, voltage detection module, three-phase alternating-current supply, output module, power module and display module, described voltage detection module converts the three-phase alternating current that described three-phase alternating-current supply exports to low tension signal and inputs to described single-chip microcomputer, described single-chip microcomputer carries out A/D conversion to described low tension signal, obtain the three-phase voltage value corresponding to described three-phase alternating-current supply, and the overvoltage fault of described three-phase alternating-current supply is checked according to described three-phase voltage value, under-voltage fault, phase shortage and three-phase imbalance fault and misphase fault, when described microprocessor detect is to above-mentioned fault, cut off the power supply circuits between described three-phase alternating-current supply and three-phase electricity power consumption equipment by described output module, described power module is powered for described single-chip microcomputer, described voltage detection module and described output module after electric main is converted to direct current, the LED that described display module comprises for showing running status and three-phase voltage value runs and voltage indicator lamp, for showing the LED overvoltage indicator light of overvoltage fault, LED for showing under-voltage fault is under-voltage indicator light, for showing the LED phase shortage indicator light of phase shortage and three-phase imbalance fault, for showing LED phase sequence indicator light and its drive circuit of misphase fault, under the control of the control signal that described drive circuit exports at described single-chip microcomputer, described LED is driven to run and voltage indicator lamp, described LED overvoltage indicator light, described LED is under-voltage indicator light, described LED phase shortage indicator light, described LED phase sequence indicator light work.
As further improvement of the utility model, described drive circuit is ULN2003, described LED runs and voltage indicator lamp, described LED overvoltage indicator light, described LED is under-voltage indicator light, described LED phase shortage indicator light, described LED phase sequence indicator light one end access the output of described ULN2003 respectively, the other end is connected respectively after a resistance and is accessed described power module, and the input of the corresponding each indicator light of described ULN2003 accesses control signal output corresponding to described single-chip microcomputer respectively.
As further improvement of the utility model, described output module comprises the switching device be connected with described interface microcontroller and the warning device that can send alarm signal.
The beneficial effects of the utility model are: the utility model provides a kind of single LED data display power supply protector, single-chip microcomputer is run by drive circuit control LED and voltage indicator lamp flicker shows running status and three-phase voltage value, and by comparing the overvoltage and brownout threshold preset in three-phase voltage value and single-chip microcomputer, judge whether to there is overvoltage fault and under-voltage fault, by comparing the difference between the three-phase voltage value that detects, judge whether to there is phase shortage or three-phase imbalance fault, by the operational analysis to three-phase voltage value instantaneous value, obtain the phase difference between three-phase voltage value, judge whether to there is misphase fault, the above-mentioned feature of the utility model can show data with very low cost, does not need liquid crystal, backlight, charactron and supporting drive circuit, and the straightaway coding of the utility model, within 1 minute, just can learn, when reading internal data, do not need extra special equipment, supermatic instrument can be widely used in.Owing to eliminating liquid crystal, backlight, charactron and supporting drive circuit; therefore; the utility model list LED data display power supply protector small volume; client can be met and save space-efficient needs; solve the space of existing control cabinet own little; cannot install power supply protector, again changing control cabinet can be pretty troublesome, also the technical barrier of corresponding increase cost.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the circuit diagram of voltage detection module in the utility model;
Fig. 3 is the circuit diagram of display module in the utility model;
Fig. 4 is the circuit diagram of output module in the utility model;
Fig. 5 is the circuit diagram of single-chip microcomputer in the utility model;
Fig. 6 is the circuit diagram of power module in the utility model;
Fig. 7 is three-phase voltage value of the present utility model display schematic diagram.
Embodiment
In order to more clearly understand technology contents of the present utility model, describe in detail especially exemplified by following examples, its object is only better to understand content of the present utility model and unrestricted protection range of the present utility model.
As shown in Figure 1, a kind of single LED data display power supply protector, between its access three-phase alternating-current supply and three-phase electricity power consumption equipment, this power supply protector comprises single-chip microcomputer, voltage detection module, three-phase alternating-current supply, output module, power module and display module, described voltage detection module (see Fig. 2) converts the three-phase alternating current that described three-phase alternating-current supply exports to low tension signal and inputs to described single-chip microcomputer, see Fig. 5, described single-chip microcomputer carries out A/D conversion to described low tension signal, obtain the three-phase voltage value corresponding to described three-phase alternating-current supply, and the overvoltage fault of described three-phase alternating-current supply is checked according to described three-phase voltage value, under-voltage fault, phase shortage and three-phase imbalance fault and misphase fault, when described microprocessor detect is to above-mentioned fault, cut off the power supply circuits between described three-phase alternating-current supply and three-phase electricity power consumption equipment by described output module, power for described single-chip microcomputer, described voltage detection module and described output module after electric main is converted to direct current by described power module (see Fig. 6), the LED that described display module comprises for showing running status and three-phase voltage value runs and voltage indicator lamp, for showing the LED overvoltage indicator light of overvoltage fault, LED for showing under-voltage fault is under-voltage indicator light, for showing the LED phase shortage indicator light of phase shortage and three-phase imbalance fault, for showing LED phase sequence indicator light and its drive circuit of misphase fault, under the control of the control signal that described drive circuit exports at described single-chip microcomputer, described LED is driven to run and voltage indicator lamp, described LED overvoltage indicator light, described LED is under-voltage indicator light, described LED phase shortage indicator light, described LED phase sequence indicator light work.Like this, single-chip microcomputer is by comparing the overvoltage and brownout threshold preset in three-phase voltage value and single-chip microcomputer, the function judging whether to there is overvoltage fault and under-voltage fault can be realized, by comparing the difference between the three-phase voltage value that detects, the function judging whether to there is phase shortage or three-phase imbalance fault can be realized, by the operational analysis to three-phase voltage value instantaneous value, obtain the phase difference between three-phase voltage value, the function judging whether to there is misphase fault can be realized, and by drive circuit and LED overvoltage indicator light, LED is under-voltage indicator light, LED phase shortage indicator light, the work of LED phase sequence indicator light shows, especially, single-chip microcomputer by drive circuit control LED run and voltage indicator lamp is capable of displaying status and three-phase voltage value.
Preferably, see Fig. 3, described drive circuit is ULN2003, described LED runs and voltage indicator lamp LED1, described LED overvoltage indicator light LED2, described LED is under-voltage indicator light LED3, described LED phase shortage indicator light LED4, described LED phase sequence indicator light LED5 one end access the output of described ULN2003 respectively, the other end is connected respectively after resistance R4, R5, R6, R7, a R8 and is accessed described power module, and the input of the corresponding each indicator light of described ULN2003 accesses control signal output corresponding to described single-chip microcomputer respectively.
Preferably, see Fig. 4, described output module comprises the switching device JDQ1 be connected with described interface microcontroller and the warning device that can send alarm signal.
The aobvious control method of the utility model list LED data display power supply protector is as follows:
For described single-chip microcomputer, described voltage detection module, described output module are powered after electric main is converted to direct current by described power module; Described voltage detection module converts the three-phase alternating current that described three-phase alternating-current supply exports to low tension signal and inputs to described single-chip microcomputer, described single-chip microcomputer carries out A/D conversion to described low tension signal, obtain the three-phase voltage value corresponding to described three-phase alternating-current supply, described single-chip microcomputer controls described LED operation by described drive circuit and voltage indicator lamp flicker shows running status and three-phase voltage value, see Fig. 7, its mode is: defining short bright extinguishing is again flicker, and defining short flicker again of going out is blinking intervals; The corresponding one group of data of every phase voltage value, with the long bright beginning once representing one group of data; Represent the size of each numerical value with the number of times of flicker, represent value of zero 10 times to glimmer; As " 3 " just glimmer 3 times, " 8 " just glimmer 8 times; " 0 " just glimmers 10 times.First show seniority top digit, then show lower-order digit, between seniority top digit and lower-order digit, insert a blinking intervals; As showing as " light on and off light on and off light on and off-go out-light on and off light on and off light on and off light on and off light on and off light on and off light on and off light on and off--light on and off of going out " of " 381 "; Distinguish with blinking intervals between three groups of data; The display of three groups of data is complete, occurs that one longly goes out, and wait for next grow bright represent renewal after the display of three-phase voltage value start.
Described single-chip microcomputer is by comparing the overvoltage and brownout threshold preset in three-phase voltage value and single-chip microcomputer, judge whether to there is overvoltage fault and under-voltage fault, by comparing the difference between the three-phase voltage value that detects, judge whether to there is phase shortage or three-phase imbalance fault, by the operational analysis to three-phase voltage value instantaneous value, obtain the phase difference between three-phase voltage value, judge whether to there is misphase fault; Described microprocessor detect, to when there is above-mentioned fault, cuts off the power supply circuits between described three-phase alternating-current supply and three-phase electricity power consumption equipment by described output module; And described single-chip microcomputer controls described LED overvoltage indicator light or the under-voltage indicator light of described LED or described LED phase shortage indicator light or described LED phase sequence indicator light by described drive circuit lights this fault of display.
To sum up, the utility model provides a kind of single LED data display power supply protector and aobvious control method thereof, wherein, single-chip microcomputer is run by drive circuit control LED and voltage indicator lamp flicker shows running status and three-phase voltage value, and by comparing the overvoltage and brownout threshold preset in three-phase voltage value and single-chip microcomputer, judge whether to there is overvoltage fault and under-voltage fault, by comparing the difference between the three-phase voltage value that detects, judge whether to there is phase shortage or three-phase imbalance fault, by the operational analysis to three-phase voltage value instantaneous value, obtain the phase difference between three-phase voltage value, judge whether to there is misphase fault, the above-mentioned feature of the utility model can show data with very low cost, does not need liquid crystal, backlight, charactron and supporting drive circuit, and the straightaway coding of the utility model, within 1 minute, just can learn, when reading internal data, do not need extra special equipment, supermatic instrument can be widely used in.Owing to eliminating liquid crystal, backlight, charactron and supporting drive circuit; therefore; the utility model list LED data display power supply protector small volume; client can be met and save space-efficient needs; solve the space of existing control cabinet own little; cannot install power supply protector, again changing control cabinet can be pretty troublesome, also the technical barrier of corresponding increase cost.
Above embodiment is with reference to accompanying drawing, is described in detail to preferred embodiment of the present utility model.Those skilled in the art by carrying out amendment on various forms or change to above-described embodiment, but when not deviating from essence of the present utility model, drops within protection range of the present utility model.
Claims (3)
1. a single LED data display power supply protector, between its access three-phase alternating-current supply and three-phase electricity power consumption equipment, it is characterized in that: this power supply protector comprises single-chip microcomputer, voltage detection module, three-phase alternating-current supply, output module, power module and display module, described voltage detection module converts the three-phase alternating current that described three-phase alternating-current supply exports to low tension signal and inputs to described single-chip microcomputer, described single-chip microcomputer carries out A/D conversion to described low tension signal, obtain the three-phase voltage value corresponding to described three-phase alternating-current supply, and the overvoltage fault of described three-phase alternating-current supply is checked according to described three-phase voltage value, under-voltage fault, phase shortage and three-phase imbalance fault and misphase fault, when described microprocessor detect is to above-mentioned fault, cut off the power supply circuits between described three-phase alternating-current supply and three-phase electricity power consumption equipment by described output module, described power module is powered for described single-chip microcomputer, described voltage detection module and described output module after electric main is converted to direct current, the LED that described display module comprises for showing running status and three-phase voltage value runs and voltage indicator lamp, for showing the LED overvoltage indicator light of overvoltage fault, LED for showing under-voltage fault is under-voltage indicator light, for showing the LED phase shortage indicator light of phase shortage and three-phase imbalance fault, for showing LED phase sequence indicator light and its drive circuit of misphase fault, under the control of the control signal that described drive circuit exports at described single-chip microcomputer, described LED is driven to run and voltage indicator lamp, described LED overvoltage indicator light, described LED is under-voltage indicator light, described LED phase shortage indicator light, described LED phase sequence indicator light work.
2. single LED data display power supply protector according to claim 1; it is characterized in that: described drive circuit is ULN2003; described LED runs and voltage indicator lamp, described LED overvoltage indicator light, described LED is under-voltage indicator light, described LED phase shortage indicator light, described LED phase sequence indicator light one end access the output of described ULN2003 respectively; the other end is connected respectively after a resistance and is accessed described power module, and the input of the corresponding each indicator light of described ULN2003 accesses control signal output corresponding to described single-chip microcomputer respectively.
3. single LED data display power supply protector according to claim 1, is characterized in that: described output module comprises the switching device be connected with described interface microcontroller and the warning device that can send alarm signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520512110.6U CN204858541U (en) | 2015-07-15 | 2015-07-15 | Single LED data display power protection ware |
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| CN201520512110.6U CN204858541U (en) | 2015-07-15 | 2015-07-15 | Single LED data display power protection ware |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967105A (en) * | 2015-07-15 | 2015-10-07 | 苏州创泰电子有限公司 | Single LED data display power supply protector and display control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967105A (en) * | 2015-07-15 | 2015-10-07 | 苏州创泰电子有限公司 | Single LED data display power supply protector and display control method thereof |
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