CN204989315U - Threephase cable phase place checking apparatus - Google Patents
Threephase cable phase place checking apparatus Download PDFInfo
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- CN204989315U CN204989315U CN201520586369.5U CN201520586369U CN204989315U CN 204989315 U CN204989315 U CN 204989315U CN 201520586369 U CN201520586369 U CN 201520586369U CN 204989315 U CN204989315 U CN 204989315U
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Abstract
The utility model provides a threephase cable phase place checking apparatus, include that the transmission appearance is checked to the phase place and the receipt appearance is checked to the phase place, the phase place is checked the transmission appearance and is included a power module, a microcontroller, operation module, pulse signal emission module, drive module, pulse switch circuit and port connecting circuit A, the phase place is checked the receipt appearance and is included the 2nd power module, the 2nd microcontroller, second display module, second sound card module, signal detection module and port connecting circuit B. Adopt the utility model discloses the device carries out the phase place to be checked, easy operation, and the process link is few, does not have repeatability work, and is shorter to the looks time, has reduced operating time, is favorable to enhancing power supply reliability, the phase place is checked the in -process staff and is linked up the convenience, test personnel's work safety nature has been improved.
Description
Technical field
The utility model relates to a kind of phase place checking device, specifically a kind of threephase cable phase place checking apparatus be applied in electric system.
Background technology
The 10kV triple cable that distribution is conventional, owing to there is intermediate head, feeder pillar, causes cable two ends phase place may not be corresponding, needs again to carry out phase place and check in rebuilding construction process.In electric system, cable two ends phase place correctness, can concern power circuit paired running, whether motor sense of rotation is correct, if phase place is incorrect, following several consequence can be produced: (1), for the circuit of two contacts, two power supplys, circuit cannot Electromagnetic coupling; (2), during cable two-phase phase place wrong, there is reverse rotation in the motor of user side; (3) during cable three-phase phase wrong, the user of dual power supply cannot and use dual power supply.Therefore, clear stipulaties in " power equipment hand-over and preventive test standard ": cable line when joining, run in reform joint or tore terminal lead open time, all must check the phase place of cable line, guarantee that it is consistent with two ends power system device phase place.But, existing converting equipment on-line monitoring system lacks special data relay processing capacity, the data causing monitoring device to monitor cannot carry out exchanges data with the dispatch control unit of higher level and the station end monitoring means of subordinate safely and reliably, and the instability of easily factor data transmission or imperfect causing control misoperation, and then affect the safe and stable operation of electrical network, cause inevitable economic loss.
Existing phase of cable checking method mainly contains multimeter method, insulation resistance meter method, pilot lamp method etc., but the above-mentioned method checking phase of cable, the tester at tested cable two ends is all needed to cooperatively interact, repeatedly link up, numerous and diverse to phase method, process links is many, there is repetitive operation, longer to the phase time, add the working time, be unfavorable for improving power supply reliability; Phase place is checked needs cable two ends personnel to rely on intercom or mobile phone to communicate with each other cooperation, but manyly to carry out in downtown area, city working mutually, and environment is noisy, affects two ends personnel's effective communication, has the possibility of makeing mistakes; Adopt insulation resistance meter to carry out phase place to check, voltage is generally 500V, 1000V or 1500V, and test voltage is higher, and tester has electric shock risk.
Utility model content
For overcoming the deficiencies in the prior art, the utility model provides a kind of threephase cable phase place checking apparatus, comprises phase place and checks transmitter and phase place checks receiving instrument,
Described phase place is checked transmitter and is comprised the first power module, first microcontroller, operational module, pulse signal transmitter module, driver module, pulse-switching circuit and port connecting circuit A, described first microcontroller respectively with described first power module, described operational module, described pulse signal transmitter module connects, described driver module is connected with described pulse signal transmitter module and described pulse-switching circuit, described pulse-switching circuit is connected with described port connecting circuit A, described first microcontroller is used for sending reference time signal to described pulse signal transmitter module, trigger described pulse signal transmitter module and produce corresponding pulse signal according to the pulse signal characteristic value pre-set, and export to described driver module, described pulse signal is converted to and is added between the power electronic devices control end of described pulse-switching circuit and common port with the signal making it open or to turn off by described driver module, described port connecting circuit A comprises three hold assemblies with conducting function, for the phase that three at signal emitting side connection threephase cable are different,
Described phase place is checked receiving instrument and is comprised second source module, second microcontroller, second display module, second sound card module, signal detection module and port connecting circuit B, described second microcontroller respectively with second source module, second display module, second sound card module, signal detection module connects, described signal detection module is connected with described port connecting circuit B, described port connecting circuit B comprises three hold assemblies with conducting function, for the phase that three at Signal reception side connection threephase cable are different, and received current pulse signal, the current pulse signal of described signal detection module in three phase places of detection signal receiver side, and according to the sequencing of time, the signal detected is sent to described second microcontroller, described second display module and second sound card module carry out corresponding phase of cable prompting according to the signal that described second microcontroller receives.
Preferably, described phase place is checked transmitter and is also comprised the first display module and first sound card module that are connected with described first microcontroller, and described first display module and first sound card module carry out showing and sending the sound according to the signal of described first microcontroller.
Particularly, described first power module is used for described first microcontroller, described pulse-switching circuit, described port connecting circuit A, described first display module, described first sound card module supply working power;
Described second source module is a DC power supplier, use accumulator as power supply, described second source module is used for powering to described second microcontroller, described second display module, described second sound card module, described signal detection module and described port connecting circuit B.
Particularly, described operational module comprises start unit, turns off unit, automatic operation unit, manual operating unit, wherein, described start unit comprises the electrical combination of starting switch button, voltage stabilizing diode, electric capacity formation, and described shutoff unit comprises shutoff button; Described automatic operation unit for controlling the circuit unit of mechanical check phase of cable, the mechanical check of trigger controller complete paired cable three phase places in an orderly manner; Described manual operating unit comprises the manual operation button that three phase places are checked, for manually individually checking phase of cable.
Particularly, described pulse signal transmitter module comprises a frequency division, frequency multiplier and a pulse control unit, described frequency division, frequency multiplier send clock reference signal for receiving described first microcontroller and modulate, described pulse control unit to produce based on the pulse signal characteristic value pre-set according to the clock reference signal after modulation and exports corresponding pulse signal, described pulse signal characteristic value is the rect.p. that width is equal, level value is consistent, and dutycycle is 0.5; The pulse signal that described pulse signal transmitter module sends is time series pulse signals, has temporal precedence relationship.
Preferably, described second display module comprises three LED, the phase that respectively three, corresponding cable is different, and the switch device conductive order priority of the pulse-switching circuit that three LED control according to pulse signal is lighted.
Preferably, described second display module is LCD display, the phase that three of the switch device conductive of the pulse-switching circuit that described LCD display controls according to pulse signal order successively display cable are different.
Preferably, when each cable being detected has current pulse signal mutually, described second sound card module all can according to cable each mutually successively power-up sequence send and point out the sound accordingly; The prompting sound is " A phase ", " B phase ", " the C phase " of mandarin, or English " PhaseA ", " PhaseB ", " PhaseC ".
Preferably, three hold assemblies of described port connecting circuit A and three hold assemblies of described port connecting circuit B are the good metal parts of electric conductivity.
Preferably, described first microcontroller and described second microcontroller are single-chip microcomputer, described single-chip microcomputer be STC single-chip microcomputer, PIC single chip microcomputer, emc single-chip microcomputer, atmel single-chip microcomputer, TMS370 series or MSP430 series monolithic in any one.
Due to technique scheme, the utility model has following beneficial effect: adopt the utility model device to carry out phase place and check, simple to operate, process links is few, there is not repetitive operation, shorter to the phase time, decrease the working time, be conducive to improving power supply reliability; In phase place audit process, staff links up conveniently; Improve the job security of test job personnel.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the system chart that the phase place of threephase cable phase place checking apparatus checks transmitter;
Fig. 2 is the structured flowchart that phase place checks receiving instrument.
In figure: 1-first power module, 2-first microcontroller, 3-operational module, 4-pulse signal transmitter module, 5-driver module, 6-pulse-switching circuit, 7-port connecting circuit A, 8-first display module, 9-first sound card module, 10-second source module, 11-second microcontroller, 12-signal detection module, 13-port connecting circuit B, 14-second display module, 15-second sound card module.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite of not making creative work, all belongs to the scope of the utility model protection.
Embodiment:
See Fig. 1, described threephase cable phase place checking apparatus mainly comprises a phase place and checks transmitter and a phase place checks receiving instrument; Described phase place is checked transmitter and is comprised the first power module 1, first microcontroller 2, operational module 3, pulse signal transmitter module 4, driver module 5, pulse-switching circuit 6, port connecting circuit A7; Described phase place is checked receiving instrument and is comprised second source module 10, second microcontroller 11, signal detection module 12, port connecting circuit B13, the second display module 14, second sound card module 15.
Described phase place checks specifically being constructed as follows of each parts of transmitter:
The first power module 1 that described phase place checks transmitter is a DC power supplier, use common accumulator as power supply, this DC power supplier is not only for checking transmitter each parts supply working power for phase place, this DC power supplier also for being provided in the electric energy that cable transmits in phase place audit process simultaneously, so this power module is divided into two parallel branches, a branch road is used for checking transmitter self work power supply to phase place, another branch road is for being provided in the electric energy that cable transmits, now this another branch road arranges multiple voltage gear, use during for checking the phase of cable of different electric pressure, the direct supply shelves of high voltage grade are then selected when the electric pressure of cable is higher, the direct supply shelves of low voltage grade are then selected when the electric pressure of cable is lower.
The first microcontroller 2 that described phase place checks transmitter is chosen as single-chip microcomputer, the model of described single-chip microcomputer be chosen as in STC single-chip microcomputer, PIC single chip microcomputer, emc single-chip microcomputer, atmel single-chip microcomputer, TMS370 series or MSP430 series monolithic any one.
Described operational module 3 comprises start unit, turns off unit, automatic operation unit, manual operating unit.Wherein start unit mainly comprises the electrical combination of starting switch button, voltage stabilizing diode, electric capacity formation, turns off unit and comprises shutoff button; Automatic operation unit is mainly the circuit unit for controlling mechanical check phase of cable, and it can the mechanical check of trigger controller complete paired cable three phase places in an orderly manner; Described manual operating unit comprises the manual operation button that three phase places are checked, for manually individually checking cable position;
Described pulse signal transmitter module 4 comprises one and receives the frequency division of the first microcontroller 2 reference clock signal, frequency multiplier and a pulse control unit, and frequency division, frequency multiplier and described pulse control unit produce corresponding output of pulse signal based on the pulse signal characteristic value pre-set.Described pulse is the rect.p. that width is equal, level value is consistent, and dutycycle is preferably 0.5; The pulse signal that described pulse signal transmitter module 4 sends is time series pulse signals, has temporal precedence relationship.
The pulse signal that pulse signal transmitter module 4 transmits by described driver module 5, is converted to and is added between the power electronic devices control end of pulse-switching circuit 6 and common port with the signal making it open or to turn off.Described power electronic devices is mos field effect transistor.
Described port connecting circuit A7 comprises three hold assemblies with conducting function, for connecting in signal emitting side A, B, C three-phase that phase place checks transmitter and cable.Described three hold assemblies are the metal parts that electric conductivity is good, are preferably copper conductor parts.Three hold assemblies are fixed as A phase hold assembly, B phase hold assembly, C phase hold assembly, in actual measurement, and A phase hold assembly stube cable A phase, B phase hold assembly stube cable B phase, C phase hold assembly stube cable C phase.
Described phase place is checked transmitter and is also comprised the first display module 8 and first sound card module 9 that are connected with the first microcontroller 2, described first display module 8 comprises the display device of the types such as LCD or LED, it is connected with the first microcontroller, when display device is LCD display, it is divided into three regions, respectively A phase, B phase, the C phase of corresponding cable.The display screen part in each region, except showing concrete phase place, also shows the parameter information such as resistance of corresponding test voltage, phase place cable.
See Fig. 2, described phase place checks specifically being constructed as follows of each parts of receiving instrument:
The second source module 10 that described phase place checks receiving instrument is a DC power supplier, use accumulator as power supply, this power module is used for checking receiving instrument self work power supply to phase place, comprises to power supplies such as the second microcontroller 11, second display module 14, second sound card modules 15.
The second microcontroller 11 that described phase place checks receiving instrument is chosen as single-chip microcomputer equally, the model of described single-chip microcomputer be chosen as in STC single-chip microcomputer, PIC single chip microcomputer, emc single-chip microcomputer, atmel single-chip microcomputer, TMS370 series or MSP430 series monolithic any one, be preferably consistent with the model of described first microcontroller 2.The signal detected for detecting the current pulse signal checked in three phase places of phase signal receiver side, and is sent to the second microcontroller 11 according to the sequencing of time by described signal detection module 12.
Described port connecting circuit B13 comprises three hold assemblies with conducting function, and for the phase that three at Signal reception side stube cable are different, described three hold assemblies are the metal parts that electric conductivity is good, is preferably copper conductor parts.
The second display module 14 that described phase place checks receiving instrument is connected with the second microcontroller 11, the switch device conductive order of the pulse-switching circuit 6 that this second display module 14 controls according to pulse signal is successively lighted or show tags, when display device is LED, the cable that then first LED lighted is corresponding is A phase cable, cable corresponding to second LED lighted is B phase cable, and the 3rd cable that the LED lighted is corresponding is C phase cable; When display device is LCD display, the switch device conductive order of the pulse-switching circuit 6 controlled according to pulse signal, successively display A phase, B phase, C phase, then the cable corresponding to corresponding with A phase, B phase, C connection terminal is respectively A phase cable, B phase cable, C phase cable; Meanwhile, whenever detecting that each phase cable has current pulse signal, the sound card module 2 be connected to the second microcontroller 11 all can send the corresponding prompting sound according to cable successively power-up sequence; The prompting sound can be " A phase ", " B phase ", " the C phase " of mandarin, or English " PhaseA ", " PhaseB ", " PhaseC ".
Above disclosedly be only a kind of preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (10)
1. a threephase cable phase place checking apparatus, is characterized in that, comprises phase place and checks transmitter and phase place checks receiving instrument,
Described phase place is checked transmitter and is comprised the first power module, first microcontroller, operational module, pulse signal transmitter module, driver module, pulse-switching circuit and port connecting circuit A, described first microcontroller respectively with described first power module, described operational module, described pulse signal transmitter module connects, described driver module and described pulse signal transmitter module, described pulse-switching circuit connects, described pulse-switching circuit is connected with described port connecting circuit A, described port connecting circuit A comprises three hold assemblies with conducting function, for the phase that three at signal emitting side connection threephase cable are different,
Described phase place is checked receiving instrument and is comprised second source module, the second microcontroller, the second display module, second sound card module, signal detection module and port connecting circuit B, described second microcontroller is connected with second source module, the second display module, second sound card module, signal detection module respectively, described signal detection module is connected with described port connecting circuit B, described port connecting circuit B comprises three hold assemblies with conducting function, for the phase that three at Signal reception side connection threephase cable are different.
2. a kind of threephase cable phase place checking apparatus according to claim 1, it is characterized in that, described phase place is checked transmitter and is also comprised the first display module and first sound card module that are connected with described first microcontroller, and described first display module and first sound card module carry out showing and sending the sound according to the signal of described first microcontroller.
3. a kind of threephase cable phase place checking apparatus according to claim 2, is characterized in that, described second source module is a DC power supplier, uses accumulator as power supply.
4. a kind of threephase cable phase place checking apparatus according to claim 3, it is characterized in that, described operational module comprises start unit, turns off unit, automatic operation unit, manual operating unit, wherein, described start unit comprises the electrical combination of starting switch button, voltage stabilizing diode, electric capacity formation, and described shutoff unit comprises shutoff button.
5. according to a kind of threephase cable phase place checking apparatus in claim 1-4 described in any one, it is characterized in that, described pulse signal transmitter module comprises a frequency division, frequency multiplier and a pulse control unit, described frequency division, frequency multiplier sends clock reference signal for receiving described first microcontroller and modulates, described pulse control unit to produce based on the pulse signal characteristic value pre-set according to the clock reference signal after modulation and exports corresponding pulse signal, described pulse signal characteristic value is that width is equal, the rect.p. that level value is consistent, dutycycle is 0.5, the pulse signal that described pulse signal transmitter module sends is time series pulse signals, has temporal precedence relationship.
6. a kind of threephase cable phase place checking apparatus according to claim 5, it is characterized in that, described second display module comprises three LED, the phase that respectively three, corresponding cable is different, and the switch device conductive order priority of the pulse-switching circuit that three LED control according to pulse signal is lighted.
7. a kind of threephase cable phase place checking apparatus according to claim 5, it is characterized in that, described second display module is LCD display, the phase that three of the switch device conductive of the pulse-switching circuit that described LCD display controls according to pulse signal order successively display cable are different.
8. a kind of threephase cable phase place checking apparatus according to claim 6 or 7, it is characterized in that, when each cable being detected has current pulse signal mutually, described second sound card module all can according to cable each mutually successively power-up sequence send and point out the sound accordingly; The prompting sound is " A phase ", " B phase ", " the C phase " of mandarin, or English " PhaseA ", " PhaseB ", " PhaseC ".
9. a kind of threephase cable phase place checking apparatus according to claim 1, is characterized in that, three hold assemblies of described port connecting circuit A and three hold assemblies of described port connecting circuit B are the good metal parts of electric conductivity.
10. a kind of threephase cable phase place checking apparatus according to claim 1, it is characterized in that, described first microcontroller and described second microcontroller are single-chip microcomputer, described single-chip microcomputer be STC single-chip microcomputer, PIC single chip microcomputer, emc single-chip microcomputer, atmel single-chip microcomputer, TMS370 series or MSP430 series monolithic in any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520586369.5U CN204989315U (en) | 2015-08-06 | 2015-08-06 | Threephase cable phase place checking apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520586369.5U CN204989315U (en) | 2015-08-06 | 2015-08-06 | Threephase cable phase place checking apparatus |
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| CN204989315U true CN204989315U (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788479A (en) * | 2016-05-10 | 2016-07-20 | 南通中远船务自动化有限公司 | Method for replacing segment code type LCD with LEDs |
| CN109212312A (en) * | 2018-09-25 | 2019-01-15 | 国网浙江省电力有限公司宁波供电公司 | Portable cable phase check system |
-
2015
- 2015-08-06 CN CN201520586369.5U patent/CN204989315U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788479A (en) * | 2016-05-10 | 2016-07-20 | 南通中远船务自动化有限公司 | Method for replacing segment code type LCD with LEDs |
| CN109212312A (en) * | 2018-09-25 | 2019-01-15 | 国网浙江省电力有限公司宁波供电公司 | Portable cable phase check system |
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